16055 OVERCURRENT PROTECTIVE DEVICE COORDINATION

Transcription

1 16055 OVERCURRENT PROTECTIVE DEVICE COORDINATION PART 1 - GENERAL 1. SUMMARY This Section includes computer-based, fault-current and overcurrent protective device coordination studies. Protective devices shall be set based on results of the protective device coordination study. 2. ACTION SUBMITTALS a. Product Data: For computer software program to be used for studies. b. Other Action Submittals: The following submittals shall be made after the approval process for system protective devices has been completed. Submittals shall be in digital form. 1. Coordination-study input data, including completed computer program input data sheets. 2. Study and Equipment Evaluation Reports. 3. Coordination-Study Report. 3. INFORMATIONAL SUBMITTALS a. Qualification Data: For coordination-study specialist. b. Product Certificates: For coordination-study and fault-current-study computer software programs, certifying compliance with IEEE QUALITY ASSURANCE a. Studies shall use computer programs that are distributed nationally and are in wide use. Software algorithms shall comply with requirements of standards and guides specified in this Section. Manual calculations are not acceptable. b. Coordination-Study Specialist Qualifications: An entity experienced in the application of computer software used for studies, having performed successful studies of similar magnitude on electrical distribution systems using similar devices. Professional engineer, licensed in the state where Project is located, shall be responsible for the study. All elements of the study shall be performed under the direct supervision and control of engineer. c. Comply with IEEE 242 for short-circuit currents and coordination time intervals. d. Comply with IEEE 399 for general study procedures OVERCURRENT PROTECTIVE DEVICE COORDINATION Page 1 of6

2 PART 2- PRODUCTS 1. COMPUTER SOFTWARE DEVELOPERS Computer Software Developers: Subject to compliance with requirements, provide products by one of the following: 1. SKM Systems Analysis, Inc. 2. Approved Equivalent. 2. COMPUTER SOFTWARE PROGRAM REQUIREMENTS a. Comply with IEEE 399. b. Analytical features of fault-current-study computer software program shall include "mandatory," "very desirable," and "desirable" features as listed in IEEE 399. c. Computer software program shall be capable of plotting and diagramming time-current-characteristic curves as part of its output. Computer software program shall report device settings and ratings of all overcurrent protective devices and shall demonstrate selective coordination by computer-generated, timecurrent coordination plots. PART 3 -EXECUTION 1. POWER SYSTEM DATA a. Gather and tabulate the following input data to support coordination study: Product Data for overcurrent protective devices specified in other electrical Sections and involved in overcurrent protective device coordination studies. Use equipment designation tags that are consistent with electrical distribution system diagrams, overcurrent protective device submittals, input and output data, and recommended device settings. b. Impedance of utility service entrance. c. Electrical Distribution System Diagram: In hard-copy and electronic-copy formats, showing the following: 1. Circuit-breaker and fuse-current ratings and types. 2. Relays and associated power and current transformer ratings and ratios. 3. Transformer kilovolt amperes, primary and secondary voltages, connection type, impedance, and XIR ratios. 4. Generator kilovolt amperes, size, voltage, and source impedance OVERCURRENT PROTECTIVE DEVICE COORDINATION Page 2 o 6

3 5. Cables: Indicate conduit material, sizes of conductors, conductor material, insulation, and length. 6. Busway ampacity and impedance. 7. Motor horsepower and code letter designation according to NEMA MG 1. d. Data sheets to supplement electrical distribution system diagram, cross-referenced with tag numbers on diagram, showing the following: 1. Special load considerations, including starting inrush currents and frequent starting and stopping. 2. Transformer characteristics, including primary protective device, magnetic inrush current, and overload capability. 3. Motor full-load current, locked rotor current, service factor, starting time, type of start, and thermal-damage curve. 4. Generator thermal-damage curve. 5. Ratings, types, and settings of utility company's overcurrent protective devices. 6. Special overcurrent protective device settings or types stipulated by utility company. 7. Time-current-characteristic curves of devices indicated to be coordinated. 8. Manufacturer, frame size, interrupting rating in amperes rms symmetrical, ampere or current sensor rating, long-time adjustment range, short-time adjustment range, and instantaneous adjustment range for circuit breakers. 9. Manufacturer and type, ampere-tap adjustment range, time-delay adjustment range, instantaneous attachment adjustment range, and current transformer ratio for overcurrent relays. 10. Panelboards, switchboards, motor-control center ampacity, and interrupting rating in amperes rms symmetrical. 2. FAULT-CURRENT STUDY a. Calculate the maximum available short-circuit current in amperes rms symmetrical at circuit-breaker positions of the electrical power distribution system. The calculation shall be for a current immediately after initiation and for a three-phase bolted short circuit at each of the following: 1. Switchgear and switchboard bus. 2. Motor-control center. 3. Distribution panelboard. 4. Branch circuit panelboard OVERCURRENT PROTECTIVE DEVICE COORDINATION Page 3 o 6

4 5. Disconnect Switches 6. Motor Starters 7. Variable Frequency Drives b. Study electrical distribution system from normal and alternate power sources throughout electrical distribution system for Project. Include studies of system-switching configurations and alternate operations that could result in maximum fault conditions. c. Calculate momentary and interrupting duties on the basis of maximum available fault current. d. Calculations to verify interrupting ratings of overcurrent protective devices shall comply with IEEE 241 and IEEE Transformers: a. ANSI C b. IEEE C c. IEEE C Low-Voltage Circuit Breakers: IEEE 1015 and IEEE C Low-Voltage Fuses: IEEE C e. Study Report: Show calculated XIR ratios and equipment interrupting rating (1/2-cycle) fault currents on electrical distribution system diagram. f. Equipment Evaluation Report: 1. For 600-V overcurrent protective devices, ensure that interrupting ratings are equal to or higher than calculated 112-cycle symmetrical fault current. 2. For devices and equipment rated for asymmetrical fault current, apply multiplication factors listed in the standards to 1/2-cycle symmetrical fault current. 3. Verify adequacy of phase conductors at maximum three-phase bolted fault currents; verify adequacy of equipment grounding conductors and grounding electrode conductors at maximum ground-fault currents. Ensure that short-circuit withstand ratings are equal to or higher than calculated 112-cycle symmetrical fault current. 3. COORDINATION STUDY a. Perform coordination study using approved computer software program. Prepare a written report using results of fault-current study. Comply with IEEE Calculate the maximum and minimum 112-cycle short-circuit currents. 2. Calculate the maximum and minimum ground-fault currents OVERCURRENT PROTECTIVE DEVICE COORDINATION Page4 o 6

5 Johnson County PWSD No.3 Wastewater Collection and Treatment Facility Improvements b. Comply with IEEE 241 recommendations for fault currents and time intervals. c. Transformer Primary Overcurrent Protective Devices: 1. Device shall not operate in response to the following: a. Inrush current when first energized. b. Self-cooled, full-load current or forced-air-cooled, full-load current, whichever IS specified for that transformer. c. Permissible transformer overloads according to IEEE C57.96 if required by unusual loading or emergency conditions. 2. Device settings shall protect transformers according to IEEE C , for fault currents. d. Conductor Protection: Protect cables against damage from fault currents according to ICEA P , ICEA P , and conductor melting curves in IEEE 242. Demonstrate that equipment withstands the maximum short-circuit current for a time equivalent to the tripping time of the primary relay protection or total clearing time of the fuse. To determine temperatures that damage insulation, use curves from cable manufacturers or from listed standards indicating conductor size and short-circuit current. e. Coordination-Study Report: Prepare a written report indicating the following results of coordination study: 1. Tabular Format of Settings Selected for Overcurrent Protective Devices: a. Device tag. b. Relay-current transformer ratios; and tap, time-dial, and instantaneous-pickup values. c. Circuit-breaker sensor rating; and long-time, short-time, and instantaneous settings. d. Fuse-current rating and type. e. Ground-fault relay-pickup and time-delay settings. 2. Coordination Curves: Prepared to determine settings of overcurrent protective devices to achieve selective coordination. Graphically illustrate that adequate time separation exists between devices installed in series, including power utility company's upstream devices. Prepare separate sets of curves for the switching schemes and for emergency periods where the power source is local generation. Show the following information: a. Device tag. b. Voltage and current ratio for curves. c. Three-phase and single-phase damage points for each transformer OVERCURRENT PROTECTIVE DEVICE COORDINATION PageS o 6

6 d. No damage, melting, and clearing curves for fuses. e. Cable damage curves. f. Transformer inrush points. g. Maximum fault-current cutoff point. f. Completed data sheets for setting of overcurrent protective devices OVERCURRENT PROTECTIVE DEVICE COORDINATION Page6 o 6

7 16060 GROUNDING AND BONDING PART 1 - GENERAL 1. SUMMARY Section Includes: Grounding systems and equipment. 2. ACTION SUBMITTALS Product Data: For each type of product indicated. 3. INFORMATIONAL SUBMITTALS Field quality-control reports. 4. QUALITY ASSURANCE a. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, by a qualified testing agency, and marked for intended location and application. b. Comply with UL 467 for grounding and bonding materials and equipment. PART 2 -PRODUCTS 1. CONDUCTORS a. Insulated Conductors: Copper or tinned-copper wire or cable insulated for 600 V unless otherwise required by applicable Code or authorities having jurisdiction. b. Bare Copper Conductors: 1. Solid Conductors: ASTM B Stranded Conductors: ASTM B Tinned Conductors: ASTM B Bonding Cable: 28 kcmil, 14 strands ofno. 17 AWG conductor, 1/4 inch in diameter. 5. Bonding Conductor: No. 4 or No. 6 A WG, stranded conductor. 6. Bonding Jumper: Copper tape, braided conductors terminated with copper ferrules; 1-5/8 inches wide and 1/16 inch thick. 7. Tinned Bonding Jumper: Tinned-copper tape, braided conductors terminated with copper ferrules; 1-5/8 inches wide and 1/16 inch thick GROUNDING & BONDING Page 1 o 5

8 2. CONNECTORS a. General: Listed and labeled by an NRTL acceptable to authorities having jurisdiction for applications in which used and for specific types, sizes, and combinations of conductors and other items connected. b. Bolted Connectors for Conductors and Pipes: Copper or copper alloy, pressure type with at least two bolts. Pipe Connectors: Clamp type, sized for pipe. c. Welded Connectors: Exothermic-welding kits of types recommended by kit manufacturer for materials being joined and installation conditions. 3. GROUNDING ELECTRODES Ground Rods: Copper-clad steel; 3/4 inch by 10 feet in diameter. PART 3 -EXECUTION 1. APPLICATIONS a. Conductors: Install stranded conductors unless otherwise indicated. b. Underground Grounding Conductors: Install bare tinned-copper conductor, No. 2/0 A WG minimum. Bury at least 24 inches below grade. c. Isolated Grounding Conductors: Green-colored insulation with continuous yellow stripe. On feeders with isolated ground, identify grounding conductor where visible to normal inspection, with alternating bands of green and yellow tape, with at least three bands of green and two bands of yellow. d. Conductor Terminations and Connections: 1. Pipe and Equipment Grounding Conductor Terminations: Bolted connectors. 2. Underground Connections: Welded connectors except at test wells and as otherwise indicated. 3. Connections to Ground Rods at Test Wells: Bolted connectors. 4. Connections to Structural Steel: Welded connectors. 2. EQUIPMENT GROUNDING a. Install insulated equipment grounding conductors with the following items, in addition to those required by NFPA 70: 1. Feeders and branch circuits. 2. Lighting circuits. 3. Receptacle circuits. 4. Single-phase motor and appliance branch circuits. 5. Three-phase motor and appliance branch circuits. 6. Flexible raceway runs. 7. Armored and metal-clad cable runs GROUNDING & BONDING Page 2 o 5

9 b. Air-Duct Equipment Circuits: Install insulated equipment grounding conductor to duct-mounted electrical devices operating at 120 V and more, including air cleaners, heaters, dampers, humidifiers, and other duct electrical equipment. Bond conductor to each unit and to air duct and connected metallic piping. c. Water Heater, Heat-Tracing, and Antifrost Heating Cables: Install a separate insulated equipment grounding conductor to each electric water heater and heat-tracing cable. Bond conductor to heater units, piping, connected equipment, and components. d. Signal and Communication Equipment: In addition to grounding and bonding required by NFPA 70, provide a separate grounding system complying with requirements in TIA/ATIS J-STD-607-A. 1. General: For telephone, alarm, voice and data, and other communication equipment, provide No. 4 A WG minimum insulated grounding conductor in raceway from grounding electrode system to each service location, terminal cabinet, wiring closet, and central equipment location. 2. Service and Central Equipment Locations and Wiring Closets: Terminate grounding conductor on a 114-by-4-by-12-inch grounding bus. 3. Terminal Cabinets: Terminate grounding conductor on cabinet grounding terminal. e. Metal Poles Supporting Outdoor Lighting Fixtures: Install grounding electrode and a separate insulated equipment grounding conductor in addition to grounding conductor installed with branch-circuit conductors. 3. INSTALLATION a. Grounding Conductors: Route along shortest and straightest paths possible unless otherwise indicated or required by Code. A void obstructing access or placing conductors where they may be subjected to strain, impact, or damage. b. Ground Rods: Drive rods until tops are 2 inches below finished floor or final grade unless otherwise indicated. 1. Interconnect ground rods with grounding electrode conductor below grade and as otherwise indicated. Make connections without exposing steel or damaging coating if any. 2. For grounding electrode system, install at least three rods spaced at least one-rod length from each other and located at least the same distance from other grounding electrodes, and connect to the service grounding electrode conductor. c. Test Wells: Ground rod driven through drilled hole in bottom of handhole. Handholes are specified in Section "Underground Ducts and Utility Structures," and shall be at least 12 inches deep, with cover. Test Wells: Install at least one test well for each service unless otherwise indicated. Install at the ground rod electrically closest to service entrance. Set top of test well flush with finished grade or floor GROUNDING & BONDING Page 3 o 5

10 d. Bonding Straps and Jumpers: Install in locations accessible for inspection and maintenance except where routed through short lengths of conduit. 1. Bonding to Structure: Bond straps directly to basic structure, taking care not to penetrate any adjacent parts. 2. Bonding to Equipment Mounted on Vibration Isolation Hangers and Supports: Install bonding so vibration is not transmitted to rigidly mounted equipment. 3. Exothermic-Welded Connectors: Use exothermic-welded connectors for outdoor locations; if a disconnect-type connection is required, use a bolted clamp. e. Grounding and Bonding for Piping: 1. Metal Water Service Pipe: Install insulated copper grounding conductors, in conduit, from building's main service equipment, or grounding bus, to main metal water service entrances to building. Connect grounding conductors to main metal water service pipes; use a bolted clamp connector or bolt a lug-type connector to a pipe flange using one of the lug bolts of the flange. Where a dielectric main water fitting is installed, connect grounding conductor on street side of fitting. Bond metal grounding conductor conduit or sleeve to conductor at each end. 2. Water Meter Piping: Use braided-type bonding jumpers to electrically bypass water meters. Connect to pipe with a bolted connector. 3. Bond: Bond each aboveground portion of gas piping system downstream from equipment shutoff valve. f. Bonding Interior Metal Ducts: Bond metal air ducts to equipment grounding conductors of associated fans, blowers, electric heaters, and air cleaners. Install tinned bonding jumper to bond across flexible duct connections to achieve continuity. 4. LABELING a. Comply with requirements in Section "Electrical Identification" for instruction signs. The label or its text shall be green. b. Install labels at the telecommunications bonding conductor and grounding equalizer and at the grounding electrode conductor where exposed. Label Text: "If this connector or cable is loose or if it must be removed for any reason, notify the facility manager." 5. FIELD QUALITY CONTROL a. Perform the following tests and inspections and prepare test reports: 1. After installing grounding system but before permanent electrical circuits have been energized, test for compliance with requirements GROUNDING & BONDING Page4 o 5

11 Johnson County PWSD No.3 Wastewater Collection and Treatment Facility Improvements 2. Inspect physical and mechanical condition. Verify tightness of accessible, bolted, electrical connections with a calibrated torque wrench according to manufacturer's written instructions. 3. Test completed grounding system at each location where a maximum ground-resistance level is specified, at service disconnect enclosure grounding terminal, and at ground test wells. Make tests at ground rods before any conductors are connected. b. Report measured ground resistances that exceed the following values: 1. Power and Lighting Equipment or System with Capacity of 500 kva and Less: 10 ohms. 2. Power and Lighting Equipment or System with Capacity of 500 to 1000 kv A: 5 ohms. 3. Power and Lighting Equipment or System with Capacity More Than 1000 kv A: 3 ohms. 4. Power Distribution Units or Panelboards Serving Electronic Equipment: 1 ohm(s). c. Excessive Ground Resistance: If resistance to ground exceeds specified values, notify Architect promptly and include recommendations to reduce ground resistance GROUNDING & BONDING Page 5 of5

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13 16073 HANGERS AND SUPPORTS FOR ELECTRICAL PART 1- GENERAL 1. SUMMARY Section includes: 1. Hangers and supports for electrical equipment and systems. 2. Construction requirements for concrete bases. 2. PERFORMANCE a. Design supports for multiple raceways capable of supporting combined weight of supported systems and its contents. b. Design equipment supports capable of supporting combined operating weight of supported equipment and connected systems and components. c. Rated Strength: Adequate in tension, shear, and pullout force to resist maximum loads calculated or imposed for this Project, with a minimum structural safety factor of five times the applied force. 3. ACTION SUBMITTALS a. Product Data: For steel slotted support systems. b. Shop Drawings: Show fabrication and installation details and include calculations for the following: 1. Trapeze Hangers. Include Product Data for components. 2. Steel slotted channel systems. Include Product Data for components. 3. Equipment supports. 4. QUALITY Comply with NFPA 70. PART 2 -PRODUCTS 1. SUPPORT, ANCHORAGE, AND ATTACHMENT a. Steel Slotted Support Systems: Comply with MFMA-4, factory-fabricated components for field assembly. 1. Manufacturers: Subject to compliance with requirements, provide products by one of the following: HANGERS AND SUPPORTS FOR ELECTRICAL SYSTEMS Pagel ofs

14 a. Allied Tube & Conduit. b. Cooper B-Line, Inc.; a division of Cooper Industries. c. ERICO International Corporation. d. Thomas & Betts Corporation. e. Unistrut; Tyco International, Ltd. 2. Metallic Coatings: Hot-dip galvanized after fabrication and applied according to MFMA Nonmetallic Coatings: Manufacturer's standard PVC, polyurethane, or polyester coating applied according to MFMA Painted Coatings: Manufacturer's standard painted coating applied according to MFMA Channel Dimensions: Selected for applicable load criteria. b. Raceway and Cable Supports: As described in NECA 1 and NECA 101. c. Conduit and Cable Support Devices: Steel hangers, clamps, and associated fittings, designed for types and sizes of raceway or cable to be supported. d. Support for Conductors in Vertical Conduit: Factory-fabricated assembly consisting of threaded body and insulating wedging plug or plugs for non-armored electrical conductors or cables in riser conduits. Plugs shall have number, size, and shape of conductor gripping pieces as required to suit individual conductors or cables supported. Body shall be malleable iron. e. Structural Steel for Fabricated Supports and Restraints: ASTM A 36/A 36M, steel plates, shapes, and bars; black and galvanized. f. Mounting, Anchoring, and Attachment Components: Items for fastening electrical items or their supports to building surfaces include the following: 1. Powder-Actuated Fasteners: Threaded-steel stud, for use in hardened portland cement concrete, steel, or wood, with tension, shear, and pullout capacities appropriate for supported loads and building materials where used. Manufacturers: Subject to compliance with requirements, provide products by one of the following: 1. Hilti Inc. 2. Simpson Strong-Tie Co., Inc.; Masterset Fastening Systems Unit. 3. Powers Fasteners, Inc. 2. Mechanical-Expansion Anchors: Insert-wedge-type, stainless steel, for use in hardened portland cement concrete with tension, shear, and pullout capacities appropriate for supported loads and building materials in which used HANGERS AND SUPPORTS FOR ELECTRICAL SYSTEMS Page2 of5

15 Johnson County PWSD No.3 Wastewater Collection and Treatment Facility Improvements Manufacturers: Subject to compliance with requirements, provide products by one of the following: 1. Hilti Inc. 2. Simpson Strong-Tie Co., Inc.; Masterset Fastening Systems Unit. 3. Powers Fasteners, Inc. 3. Concrete Inserts: Steel or malleable-iron, slotted support system units similar to MSS Type 18; complying with MFMA-4 or MSS SP Clamps for Attachment to Steel Structural Elements: MSS SP-58, type suitable for attached structural element. 5. Through Bolts: Structural type, hex head, and high strength. Comply with ASTM A Toggle Bolts: All-steel springhead type. 7. Hanger Rods: Threaded steel. 2. FABRICATED METAL EQUIPMENT SUPPORT Description: Welded or bolted, structural-steel shapes, shop or field fabricated to fit dimensions of supported equipment. PART 3 -EXECUTION 1. APPLICATION a. General: Comply with NECA 1 and NECA 101 for application of hangers and supports for electrical equipment and systems except if requirements in this Section are stricter. b. Maximum Support Spacing and Minimum Hanger Rod Size for Raceway: Space supports for EMT, IMC, and RMC as scheduled in NECA 1, where its Table 1 lists maximum spacings less than stated in NFPA 70. Minimum rod size shall be 114 inch in diameter. c. Multiple Raceways or Cables: Install trapeze-type supports fabricated with steel slotted support system, sized so capacity can be increased by at least 25 percent in future without exceeding specified design load limits. Secure raceways and cables to these supports with two-bolt conduit clamps. d. Spring-Steel Clamps: Spring-steel clamps designed for supporting single conduits without bolts may be used for 1-1/2-inch and smaller raceways serving branch circuits and communication systems above suspended ceilings and for fastening raceways to trapeze supports HANGERS AND SUPPORTS FOR ELECTRICAL SYSTEMS Page 3 o 5

16 2. SUPPORT INSTALLATION a. General: Comply with NECA 1 and NECA 101 for installation requirements except as specified in this Article. b. Strength of Support Assemblies: Where not indicated, select sizes of components so strength will be adequate to carry present and future static loads within specified loading limits. Minimum static design load used for strength determination shall be weight of supported components plus 200 lb. c. Mounting and Anchorage of Surface-Mounted Equipment and Components: Anchor and fasten electrical items and their supports to building structural elements by the following methods unless otherwise indicated by code: 1. To Wood: Fasten with lag screws or through bolts. 2. To New Concrete: Bolt to concrete inserts. 3. To Masonry: Approved toggle-type bolts on hollow masonry units and expansion anchor fasteners on solid masonry units. 4. To Existing Concrete: Expansion anchor fasteners. 5. Powder-Actuated Driven Threaded Stubs: Instead of expansion anchors, powder-actuated driven threaded studs provided with lock washers and nuts may be used in existing standardweight concrete 4 inches thick or greater. Do not use for anchorage to lightweight-aggregate concrete or for slabs less than 4 inches thick. 6. To Steel: Beam clamps (MSS Type 19, 21, 23, 25, or 27) complying with MSS SP To Light Steel: Sheet metal screws. 8. Items Mounted on Hollow Walls and Nonstructural Building Surfaces: Mount cabinets, panelboards, disconnect switches, control enclosures, pull and junction boxes, transformers, and other devices on slotted-channel racks attached to substrate by means that meet seismic-restraint strength and anchorage requirements. d. Drill Holes: Drill holes for expansion anchors in concrete at locations and to depths that avoid reinforcing bars. 3. INSTALLATION OF FABRICATED METAL a. General: Cut, fit, and place miscellaneous metal supports accurately in location, alignment, and elevation to support and anchor electrical materials and equipment. b. Field Welding: Comply with A WS D 1.1/D 1.1 M HANGERS AND SUPPORTS FOR ELECTRICAL SYSTEMS Page 4 of5

17 Johnson County PWSD No.3 Wastewater Collection and Treatment Facility Improvements 4. CONCRETE a. Construct concrete bases of dimensions indicated but not less than 4 inches larger in both directions than supported unit, and so anchors will be a minimum of 10 bolt diameters from edge of the base. b. Use 3000-psi, 28-day compressive-strength concrete. Concrete materials, reinforcement, and placement requirements are specified in Section "Cast-in-Place Concrete." c. Anchor equipment to concrete base: 1. Place and secure anchorage devices. Use supported equipment manufacturer's setting drawings, templates, diagrams, instructions, and directions furnished with items to be embedded. 2. Install anchor bolts to elevations required for proper attachment to supported equipment. 3. Install anchor bolts according to anchor-bolt manufacturer's written instructions. 5. PAINTING a. Touchup: Clean field welds and abraded areas of shop paint. Paint exposed areas immediately after erecting hangers and supports. Use same materials as used for shop painting. Comply with SSPC-PA 1 requirements for touching up field-painted surfaces. Apply paint by brush or spray to provide minimum dry film thickness of 2.0 mils. b. Galvanized Surfaces: Clean welds, bolted connections, and abraded areas and apply galvanizingrepair paint to comply with ASTM A HANGERS AND SUPPORTS FOR ELECTRICAL SYSTEMS PageS of5

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19 Johnson County PWSD No.3 Wastewater Collection and Treatment Facility Improvements ELECTRICAL IDENTIFICATION PART 1 - GENERAL 1. SUMMARY Section Includes: 1. Identification for raceways. 2. Identification of power and control cables. 3. Identification for conductors. 4. Underground-line warning tape. 5. Warning labels and signs. 6. Instruction signs. 7. Equipment identification labels. 8. Miscellaneous identification products. 2. ACTION SUBMITTALS Product Data: For each electrical identification product indicated. 3. QUALITY ASSURANCE a. Comply with ANSI A 13.I. b. Comply with NFPA 70. c. Comply with 29 CFR and 29 CFR d. Comply with ANSI Z535.4 for safety signs and labels. e. Adhesive-attached labeling materials, including label stocks, laminating adhesives, and inks used by label printers, shall comply with UL 969. PART 2 -PRODUCTS 1. POWER RACEWAY IDENTIFICATION MATERIALS. a. Comply with ANSI A13.1 for minimum size of letters for legend and for minimum length of color field for each raceway size. b. Colors for Raceways Carrying Circuits at 600 V or Less: 1. White letters on a black field: Utility Power 2. Black letters on an orange field: Standby Generator Power 3. White Letters on a blue field: UPS Power. 4. Legend: Indicate voltage and system or service type ELECTRICAL IDENTIFICATION Page 1 o 7

20 c. Self-Adhesive Vinyl Labels for Raceways Carrying Circuits at 600 V or Less: Preprinted, flexible label laminated with a clear, weather- and chemical-resistant coating and matching wraparound adhesive tape for securing ends of legend label. 2. ARMORED AND METAL-CLAD CABLE IDENTIFICATION MATERIALS a. General: Comply with ANSI A13.1 for minimum size of letters for legend and for minimum length of color field for each raceway and cable size. b. Colors for Raceways Carrying Circuits at 600 V and Less: 1. White letters on a black field: Utility Power 2. Black letters on an orange field: Standby Generator Power 3. White Letters on a blue field: UPS Power. 4. Legend: Indicate voltage and system or service type. c. Self-Adhesive Vinyl Labels: Preprinted, flexible label laminated with a clear, weather- and chemicalresistant coating and matching wraparound adhesive tape for securing ends of legend label. 3. POWER AND CONTROL CABLE IDENTIFICATION MATERIALS a. General: Comply with ANSI Al3.1 for minimum size of letters for legend and for minimum length of color field for each raceway and cable size. b. Self-Adhesive Vinyl Labels: Preprinted, flexible label laminated with a clear, weather- and chemicalresistant coating and matching wraparound adhesive tape for securing ends of legend label. 4. CONDUCTOR IDENTIFICATION MATERIALS Color-Coding Conductor Tape: Colored, self-adhesive vinyl tape not less than 3 mils thick by 1 to 2 inches wide. 5. FLOOR MARKING TAPE 2-inch- wide, 5-mil pressure-sensitive vinyl tape, with black and white stripes and clear vinyl overlay. 6. UNDERGROUND-LINE WARNING TAPE a. Tape: 1. Recommended by manufacturer for the method of installation and suitable to identify and locate underground electrical and communications utility lines. 2. Printing on tape shall be permanent and shall not be damaged by burial operations. 3. Tape material and ink shall be chemically inert, and not subject to degrading when exposed to acids, alkalis, and other destructive substances commonly found in soils ELECTRICAL IDENTIFICATION Page 2 o 7

21 b. Color and Printing: 1. General: Comply with ANSI Z535.1 through ANSI Z Inscriptions for Red-Colored Tapes: ELECTRIC LINE, HIGH VOLTAGE. 3. Inscriptions for Orange-Colored Tapes: TELEPHONE CABLE, CATV CABLE. COMMUNICATIONS CABLE, OPTICAL FIBER CABLE. c. Tag - Type 1: 1. General: Pigmented polyolefin, bright-colored, continuous-printed on one side with the inscription of the utility, compounded for direct-burial service. 2. Thickness: 4 mils. 3. Weight: 18.5 lb/1000 sq. ft Inch Tensile According to ASTM D 882: 30 lbf, and 2500 psi. 7. WARNING LABELS AND SIGNS a. Comply with NFPA 70 and 29 CPR b. Metal-Backed, Butyrate Warning Signs: 1. Weather-resistant, nonfading, preprinted, cellulose-acetate butyrate signs with inch galvanized-steel backing; and with colors, legend, and size required for application. 2. 1/4-inch grommets in comers for mounting. 3. Nominal size, 10 by 14 inches. c. Warning label and sign shall include, but are not limited to, the following legends: 1. Multiple Power Source Warning: "DANGER - ELECTRICAL SHOCK HAZARD - EQUIPMENT HAS MULTIPLE POWER SOURCES." 2. Workspace Clearance Warning: "WARNING- OSHA REGULATION- AREA IN FRONT OF ELECTRICAL EQUIPMENT MUST BE KEPT CLEAR FOR 36 INCHES." 8. INSTRUCTION SIGNS Engraved, laminated acrylic or melamine plastic, minimum 1/16 inch thick for signs up to 20 sq. inches and 118 inch thick for larger sizes. 1. Engraved legend with black letters on white face. 2. Punched or drilled for mechanical fasteners. 3. Framed with mitered acrylic molding and arranged for attachment at applicable equipment ELECTRICAL IDENTIFICATION Page 3 o 7

22 9. EQUIPMENT IDENTIFICATION LABELS a. Adhesive Film Label with Clear Protective Overlay: Machine printed, in black, by thermal transfer or equivalent process. Minimum letter height shall be 3/8 inch. Overlay shall provide a weatherproof and UV -resistant seal for label. b. Stenciled Legend: In nonfading, waterproof, black ink or paint. Minimum letter height shall be 1 inch. 10. MISCELLANEOUS IDENTIFICATION PRODUCTS a. Paint: Comply with requirements in painting Sections for paint materials and application requirements. Select paint system applicable for surface material and location (exterior or interior). b. Fasteners for Labels and Signs: Self-tapping, stainless-steel screws or stainless-steel machine screws with nuts and flat and lock washers. PART 3 -EXECUTION 1. INSTALLATION a. Location: Install identification materials and devices at locations for most convenient viewing without interference with operation and maintenance of equipment. b. Identification Devices: Apply identification devices to surfaces that require finish after completing finish work. c. Self-Adhesive Identification Products: Clean surfaces before application, using materials and methods recommended by manufacturer of identification device. d. Signs and Plastic Labels: Attach signs and plastic labels that are not self-adhesive type with mechanical fasteners appropriate to the location and substrate. e. System Identification Color-Coding Bands for Raceways and Cables: Each color-coding band shall completely encircle cable or conduit. Place adjacent bands of two-color markings in contact, side by side. Locate bands at changes in direction, at penetrations of walls and floors, at 50-foot maximum intervals in straight runs, and at 25-foot maximum intervals in congested areas. f. Underground-Line Warning Tape: During backfilling of trenches install continuous undergroundline warning tape directly above line at 6 to 8 inches below finished grade. Use multiple tapes where width of multiple lines installed in a common trench or concrete envelope exceeds 16 inches overall. e. Painted Identification: Comply with requirements in painting Sections for surface preparation and paint application ELECTRICAL IDENTIFICATION Page4 of7

23 2. IDENTIFICATION SCHEDULE a. General: Accessible Raceways and Metal-Clad Cables, 600 V or Less, for Service, Feeder, and Branch Circuits More Than 30 A, and 120 V to ground: Install labels at 30-foot maximum intervals. b. Accessible Raceways and Cables within Buildings: Identify the covers of each junction and pull box of the following systems with self-adhesive vinyl labels with the wiring system legend and system voltage. System legends shall be as follows: 1. Standby Generator Power: Black letters on an orange field. 2. Utility Power: White letters on a black field. 3. UPS: White letters on a blue field. c. Power-Circuit Conductor Identification, 600 V or Less: For conductors in vaults, pull and junction boxes, manholes, and handholes, use color-coding conductor tape to identify the phase. Color-Coding for Phase and Voltage Level Identification, 600 V or Less: Use colors listed below for ungrounded conductors. a. Color shall be factory applied. b. Colors for 208/120-V Circuits: 1. Phase A: Black. 2. Phase B: Red. 3. Phase C: Blue. c. Colors for 480/277-V Circuits: 1. Phase A: Brown. 2. Phase B: Orange. 3. Phase C: Yell ow. d. Instructional Sign: Install instructional sign including the color-code for grounded and ungrounded conductors using adhesive-film-type labels. e. Conductors to Be Extended in the Future: Attach write-on tags to conductors and list source. f. Auxiliary Electrical Systems Conductor Identification: Identify field-installed alarm, control, and signal connections. 1. Identify conductors, cables, and terminals in enclosures and at junctions, terminals, and pull points. Identify by system and circuit designation. 2. Use system of marker tape designations that is uniform and consistent with system used by manufacturer for factory-installed connections ELECTRICAL IDENTIFICATION Page 5 o 7

24 3. Coordinate identification with Project Drawings, manufacturer's wiring diagrams, and the Operation and Maintenance Manual. g. Locations of Underground Lines: IdentifY with underground-line warning tape for power, lighting, communication, and control wiring and optical fiber cable. 1. Limit use of underground-line warning tape to direct-buried cables. 2. Install underground-line warning tape for both direct-buried cables and cables in raceway. h. Workspace Indication: Install floor marking tape to show working clearances in the direction of access to live parts. Workspace shall be as required by NFPA 70 and 29 CFR unless otherwise indicated. Do not install at flush-mounted panelboards and similar equipment in finished spaces. i. Warning Labels for Indoor Cabinets, Boxes, and Enclosures for Power and Lighting: Selfadhesive warning labels. 1. Comply with 29 CFR IdentifY system voltage with black letters on a yellow background. 3. Apply to exterior of door, cover, or other access. 4. For equipment with multiple power or control sources, apply to door or cover of equipment including, but not limited to, the following: a. Power transfer switches. b. Controls with external control power connections. c. Panelboards. j. Operating Instruction Signs: Install instruction signs to facilitate proper operation and maintenance of electrical systems and items to which they connect. Install instruction signs with approved legend where instructions are needed for system or equipment operation. k. Emergency Operating Instruction Signs: Install instruction signs with white legend on a red background with minimum 3/8-inch- high letters for emergency instructions at equipment used for power distribution, power transfer, and load shedding. I. Equipment Identification Labels: On each unit of equipment, install unique designation label that is consistent with wiring diagrams, schedules, and the Operation and Maintenance Manual. Apply labels to disconnect switches and protection equipment, central or master units, control panels, control stations, terminal cabinets, and racks of each system. Systems include power, lighting, control, communication, signal, monitoring, and alarm systems unless equipment is provided with its own identification. 1. Labeling Instructions: a. Indoor Equipment: Self-adhesive, engraved, laminated acrylic or melamine label. Unless otherwise indicated, provide a single line of text with 1/2-inch- high letters on 1-1/2-inch- high label; where two lines of text are required, use labels 2 inches high ELECTRICAL IDENTIFICATION Page 6 o 7

25 b. Outdoor Equipment: Engraved, laminated acrylic or melamine label. c. Elevated Components: Increase sizes of labels and letters to those appropriate for viewing from the floor. d. Summary: Unless provided with self-adhesive means of attachment, fasten labels with appropriate mechanical fasteners that do not change the NEMA or NRTL rating of the enclosure ELECTRICAL IDENTIFICATION Page 7 of7

26

27 16091 SLEEVES AND SLEEVE SEALS FOR ELECTRICAL RACEWAYS AND CABLING PART 1 - GENERAL 1. SUMMARY Section Includes: 1. Sleeves for raceway and cable penetration of non-fire-rated construction walls and floors. 2. Sleeve-seal systems. 3. Sleeve-seal fittings. 4. Grout. 5. Silicone sealants. 2. ACTION SUBMITTALS Product Data: For each type of product. PART 2- PRODUCTS 1. SLEEVES a. Wall Sleeves: Cast-Iron Pipe Sleeves: Cast or fabricated "wall pipe," equivalent to ductile-iron pressure pipe, with plain ends and integral waterstop unless otherwise indicated. b. Sleeves for Conduits Penetrating Non-Fire-Rated Gypsum Board Assemblies: Galvanized-steel sheet; inch minimum thickness; round tube closed with welded longitudinal joint, with tabs for screw-fastening the sleeve to the board. c. Sleeves for Rectangular Openings: 1. Material: Galvanized sheet steel. 2. Minimum Metal Thickness: a. For sleeve cross-section rectangle perimeter less than 50 inches and with no side larger than 16 inches, thickness shall be inch. b. For sleeve cross-section rectangle perimeter 50 inches or more and one or more sides larger than 16 inches, thickness shall be inch. 2. SLEEVE-SEAL SYSTEMS Description: Modular sealing device, designed for field assembly, to fill annular space between sleeve and raceway or cable SLEEVES AND SLEEVE SEALS ELECTRICAL RACEWAYS AND CABLING Pagel of4

28 1. Manufacturers: Subject to compliance with requirements, provide products by one of the following: a. Advance Products & Systems, Inc. b. CALPICO, Inc. c. Metraflex Company (The). d. Pipeline Seal and Insulator, Inc. e. Proco Products, Inc. 2. Sealing Elements: EPDM rubber interlocking links shaped to fit surface of pipe. Include type and number required for pipe material and size of pipe. 3. Pressure Plates: Stainless steel. 4. Connecting Bolts and Nuts: Stainless steel of length required to secure pressure plates to sealing elements. 3. SLEEVE-SEAL FITTINGS a. Description: Manufactured plastic, sleeve-type, waterstop assembly made for embedding in concrete slab or wall. Unit shall have plastic or rubber waterstop collar with center opening to match piping OD. Manufacturers: following: Subject to compliance with requirements, provide products by one of the 4. GROUT a. Presealed Systems. b. Prior Approved Equivalent. a. Description: Nonshrink; recommended for interior and exterior sealing openings in non-fire-rated walls or floors. b. Standard: ASTM C 1107/C 1107M, Grade B, post-hardening and volume-adjusting, dry, hydrauliccement grout. c. Design Mix: 5000-psi, 28-day compressive strength. d. Packaging: Premixed and factory packaged. 5. SILICONE SEALANTS a. Silicone Sealants: Single-component, silicone-based, neutral-curing elastomeric sealants of grade indicated below. Grade: Pourable (self-leveling) formulation for openings in floors and other horizontal surfaces that are not fire rated SLEEVES AND SLEEVE SEALS ELECTRICAL RACEWAYS AND CABLING Page 2 o 4

29 b. Silicone Foams: Multicomponent, silicone-based liquid elastomers that, when mixed, expand and cure in place to produce a flexible, nonshrinking foam. PART 3 -EXECUTION 1. SLEEVE INSTALLATION FOR NON-FIRE-RATED ELECTRICAL PENETRATIONS a. NECA 1: Comply with NECA 1. b. NEMA VE 2: Comply with NEMA VB 2 for cable tray and cable penetrations. c. Sleeves for Conduits Penetrating Above-Grade Non-Fire-Rated Concrete and Masonry-Unit Floors and Walls: 1. Interior Penetrations ofnon-fire-rated Walls and Floors: a. Seal annular space between sleeve and raceway or cable, using joint sealant appropriate for size, depth, and location of joint. b. Seal space outside of sleeves with mortar or grout. Pack sealing material solidly between sleeve and wall so no voids remain. Tool exposed surfaces smooth; protect material while curing. 2. Use pipe sleeves unless penetration arrangement requires rectangular sleeved opening. 3. Size pipe sleeves to provide 1/4-inch annular clear space between sleeve and raceway or cable unless sleeve seal is to be installed. 4. Install sleeves for wall penetrations unless core-drilled holes or formed openings are used. Install sleeves during erection of walls. Cut sleeves to length for mounting flush with both surfaces of walls. De burr after cutting. 5. Install sleeves for floor penetrations. Extend sleeves installed in floors 2 inches above finished floor level. Install sleeves during erection of floors. d. Sleeves for Conduits Penetrating Non-Fire-Rated Gypsum Board Assemblies: 1. Use circular metal sleeves unless penetration arrangement requires rectangular sleeved opening. 2. Seal space outside of sleeves with approved joint compound for gypsum board assemblies. e. Roof-Penetration Sleeves: Seal penetration of individual raceways and cables with flexible boot-type flashing units applied in coordination with roofing work. f. Aboveground, Exterior-Wall Penetrations: Seal penetrations using steel pipe sleeves and mechanical sleeve seals. Select sleeve size to allow for l-inch annular clear space between pipe and sleeve for installing mechanical sleeve seals SLEEVES AND SLEEVE SEALS ELECTRICAL RACEWAYS AND CABLING Page 3 of4

30 g. Underground, Exterior-Wall and Floor Penetrations: Install cast-iron pipe sleeves. Size sleeves to allow for l-inch annular clear space between raceway or cable and sleeve for installing sleeve-seal system. 2. SLEEVE-SEAL-SYSTEM INSTALLATION a. Install sleeve-seal systems in sleeves in exterior concrete walls and slabs-on-grade at raceway entries into building. b. Install type and number of sealing elements recommended by manufacturer for raceway or cable material and size. Position raceway or cable in center of sleeve. Assemble mechanical sleeve seals and install in annular space between raceway or cable and sleeve. Tighten bolts against pressure plates that cause sealing elements to expand and make watertight seal. 3. SLEEVE-SEAL-FITTING INSTALLATION a. Install sleeve-seal fittings in new walls and slabs as they are constructed. b. Assemble fitting components of length to be flush with both surfaces of concrete slabs and walls. Position waterstop flange to be centered in concrete slab or wall. c. Secure nailing flanges to concrete forms. d. Using grout, seal the space around outside of sleeve-seal fittings SLEEVES AND SLEEVE SEALS ELECTRICAL RACEWAYS AND CABLING 1 Page4 o 4

31 16120 CONDUCTORS AND CABLES PART 1 - GENERAL 1. SUMMARY This Section includes the following: 1. Building wires and cables rated 600 V and less. 2. Connectors, splices, and terminations rated 600 V and less. 2. ACTION SUBMITTALS Product Data: For each type of product indicated. 3. INFORMATIONAL SUBMITTALS Field quality-control test reports. 4. QUALITY ASSURANCE a. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFP A 70, Article 100, by a testing agency acceptable to authorities having jurisdiction, and marked for intended use. b. Comply with NFPA 70. PART 2 -PRODUCTS 1. CONDUCTORS AND CABLES a. Copper Conductors: Comply with NEMA WC 70. b. Conductor Insulation: Comply with NEMA WC 70 for Types THHN-THWN and XHHW. c. Multiconductor Cable: Comply with NEMA WC 70 for metal-clad cable, Type MC with ground wire. 2. CONNECTORS AND SPLICES a. Manufacturers: Subject to compliance with requirements, provide products by one of the following: 1. AFC Cable Systems, Inc. 2. Hubbell Power Systems, Inc Z/Gedney; EGS Electrical Group LLC. 4. 3M; Electrical Products Division. 5. Tyco Electronics Corp. 6. Prior Approved Equivalent CONDUCfORS AND CABLES Page 1 of4

32 b. Description: Factory-fabricated connectors and splices of size, ampacity rating, material, type, and class for application and service indicated. PART 3 -EXECUTION 1. CONDUCTOR MATERIAL APPLICATIONS a. Feeders: Copper. Stranded. b. Branch Circuits: Copper. Stranded. 2. CONDUCTOR INSULATION AND MULTICONDUCTOR CABLE APPLICATIONS AND WIRING METHODS a. Service Entrance: Type XHHW, single conductors in raceway. b. Exposed Feeders: Type THHN-THWN, single conductors in raceway. c. Feeders Concealed in Ceilings, Walls, Partitions, and Crawlspaces: Type THHN-THWN, single conductors in raceway or Metal-clad cable, Type MC. d. Feeders Concealed in Concrete, below Slabs-on-Grade, and Underground: Type THHN-THWN, single conductors in raceway. e. Exposed Branch Circuits, Including in Crawlspaces: Type THHN-THWN, single conductors in raceway. f. Branch Circuits Concealed in Ceilings, Walls, and Partitions: Type THHN-THWN, single conductors in raceway or Metal-clad cable, Type MC. g. Branch Circuits Concealed in Concrete, below Slabs-on-Grade, and Underground: Type THHN THWN, single conductors in raceway. h. Cord Drops and Portable Appliance Connections: Type SO, hard service cord with stainless-steel, wire-mesh, strain relief device at terminations to suit application. i. Class 1 Control Circuits: Type THHN-THWN, in raceway. j. Class 2 Control Circuits: Type THHN-THWN, in raceway. 3. INSTALLATION OF CONDUCTORS AND CABLES a. Conceal cables in finished walls, ceilings, and floors, unless otherwise indicated. b. Use manufacturer-approved pulling compound or lubricant where necessary; compound used must not deteriorate conductor or insulation. Do not exceed manufacturer's recommended maximum pulling tensions and sidewall pressure values CONDUCTORS AND CABLES Page2 o 4

33 c. Use pulling means, including fish tape, cable, rope, and basket-weave wire/cable grips, that will not damage cables or raceway. d. Install exposed cables parallel and perpendicular to surfaces of exposed structural members, and follow surface contours where possible. e. Support cables according to Section "Hangers and Supports for Electrical Systems." f. IdentifY and color-code conductors and cables according to Section "Electrical Identification." g. Tighten electrical connectors and terminals according to manufacturer's published torque-tightening values. If manufacturer's torque values are not indicated, use those specified in UL 486A and UL 486B. h. Make splices and taps that are compatible with conductor material and that possess equivalent or better mechanical strength and insulation ratings than unspliced conductors. i. Wiring at Outlets: Install conductor at each outlet, with at least 12 inches of slack. 4. SLEEVE AND SLEEVE-SEAL INSTALLATION FOR ELECTRICAL PENETRATIONS Install sleeves and sleeve seals at penetrations of exterior floor and wall assemblies. Comply with requirements in Section "Sleeves and Sleeve Seals for Electrical Raceways and Cabling." 5. FIRESTOPPING Apply firestopping to electrical penetrations of fire-rated floor and wall assemblies to restore original fireresistance rating of assembly. 6. FIELD QUALITY CONTROL a. Perform tests and inspections and prepare test reports. b. Tests and Inspections: 1. After installing conductors and cables and before electrical circuitry has been energized, test service entrance and feeder conductors for compliance with requirements. 2. Perform each visual and mechanical inspection and electrical test stated in NET A Acceptance Testing Specification. CertifY compliance with test parameters. 3. Infrared Scanning: After Substantial Completion, but not more than 60 days after Final Acceptance, perform an infrared scan of each splice in cables and conductors No. 3 A WG and larger. Remove box and equipment covers so splices are accessible to portable scanner. 1. Instrument: Use an infrared scanning device designed to measure temperature or to detect significant deviations from normal values. Provide calibration record for device CONDUCTORS AND CABLES Page3 o 4

34 2. Record of Infrared Scanning: Prepare a certified report that identifies splices checked and that describes scanning results. Include notation of deficiencies detected, remedial action taken, and observations after remedial action. c. Test Reports: Prepare a written report to record the following: 1. Test procedures used. 2. Test results that comply with requirements. 3. Test results that do not comply with requirements and corrective action taken to achieve compliance with requirements. d. Remove and replace malfunctioning units and retest as specified above CONDUCTORS AND CABLES Page 4 o 4

35 16123 CONTROL-VOLTAGE CABLES PART 1- GENERAL 1. SUMMARY Section Includes: 1. UTP cabling. 2. RS-232 cabling. 3. RS-485 cabling. 4. Low-voltage control cabling. 5. Control-circuit conductors. 6. Identification products. 2. DEFINITIONS ELECTRICAL POWER a. Low Voltage: As defined in NFPA 70 for circuits and equipment operating at less than 50 V or for remote-control and signaling power-limited circuits. b. Open Cabling: Passing telecommunications cabling through open space (e.g., between the studs of a wall cavity). 3. ACTION SUBMITTALS Product Data: For each type of product indicated. 4. INFORMATIONAL SUBMITTALS Field quality-control reports. 5. CLOSEOUT SUBMITTALS Maintenance data. 6. QUALITY ASSURANCE a. Surface-Burning Characteristics: As determined by testing identical products according to ASTM E 84 by a qualified testing agency. Identify products with appropriate markings of applicable testing agency. 1. Flame-Spread Index: 25 or less. 2. Smoke-Developed Index: 50 or less. b. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, by a qualified testing agency, and marked for intended location and application CONTROL-VOLTAGE ELECTRICAL POWER CABLES Pagel o 8

36 7. DELIVERY, STORAGE, AND HANDLING a. Test cables upon receipt at Project site. b. Test each pair ofutp cable for open and short circuits. PART 2- PRODUCTS 1. PATHWAYS a. Conduit and Boxes: Comply with requirements in Section "Raceways and Boxes." Flexible metal conduit shall not be used. b. Outlet boxes shall be no smaller than 2 inches wide, 3 inches high, and inches deep. 2. BACKBOARDS Description: Plywood, fire-retardant treated, 3/4 by 48 by 96 inches. Comply with requirements for plywood backing panels in Section "Rough Carpentry." 3. UTPCABLE a. Manufacturers: Subject to compliance with requirements, provide products by one of the following: 1. Belden CDT Inc.; Electronics Division. 2. Berk-Tek; a Nexans company. 3. CommScope, Inc. 4. Draka USA. 5. Genesis Cable Products; Honeywell International, Inc. 6. KRONE Incorporated. 7. Mohawk; a division of Belden CDT. 8. Nordex/CDT; a subsidiary of Cable Design Technologies. 9. Superior Essex Inc. 10. SYSTIMAX Solutions; a CommScope, Inc. brand M. 12. Tyco Electronics/AMP Netconnect; Tyco International Ltd. 13. Approved Equivalent. b. Description: 100-ohm, four-pair UTP. 1. Comply with ICEA S for mechanical properties. 2. Comply with TIA/EIA-568-B.1 for performance specifications. 3. Comply with TIAIEIA-568-B.2, Category Se and Category CONTROL-VOLTAGE ELECTRICAL POWER CABLES Page2 o 8

37 c. Listed and labeled by an NRTL acceptable to authorities having jurisdiction as complying with UL 444 and NFP A 70 for the following types: 1. Communications, General Purpose: Type CM or Type CMG. 2. Communications, Plenum Rated: Type CMP, complying with NFPA Communications, Riser Rated: Type CMR, complying with UL Communications, Limited Purpose: Type CMX. 5. Multipurpose: Type MP or Type MPG. 6. Multipurpose, Plenum Rated: Type MPP, complying with NFPA Multipurpose, Riser Rated: Type MPR, complying with UL UTP CABLE HARDWARE a. Manufacturers: Subject to compliance with requirements, provide products by one of the following: 1. American Technology Systems Industries, Inc. 2. Dynacom Corporation. 3. Hubbell Premise Wiring. 4. KRONE Incorporated. 5. Leviton Voice & Data Division. 6. Molex Premise Networks; a division ofmolex, Inc. 7. Nordex/CDT; a subsidiary of Cable Design Technologies. 8. Panduit Corp. 9. Siemon Co. (The). 10. Tyco Electronics/AMP Netconnect; Tyco International Ltd. 11. Approved Equivalent b. UTP Cable Connecting Hardware: IDC type, using modules designed for punch-down caps or tools. Cables shall be terminated with connecting hardware of the same category or higher. c. Connecting Blocks: 110 style for Category 5e, t 10 style for Category 6. Provide blocks for the number of cables terminated on the block, plus 25 percent spare; integral with connector bodies, including plugs and jacks where indicated. Coordinate all termination requirements with equipment manufacturers. 5. RS-232 CABLE a. Standard Cable: NFPA 70, Type CM. 1. Paired, two pairs, No. 22 A WG, stranded (7x30) tinned-copper conductors. 2. Polypropylene insulation. 3. Individual aluminum foil-polyester tape shielded pairs with 100 percent shield coverage. 4. PVCjacket. 5. Pairs are cabled on common axis with No. 24 A WG, stranded (7x32) tinned-copper drain wire. 6. Flame Resistance: Comply with UL CONTROL-VOLTAGE ELECTRICAL POWER CABLES Page 3 of8

38 b. Plenum-Rated Cable: NFPA 70, Type CMP. 1. Paired, two pairs, No. 22 A WG, stranded (7x30) tinned-copper conductors. 2. Plastic insulation. 3. Individual aluminum foil-polyester tape shielded pairs with 100 percent shield coverage. 4. Plastic jacket. 5. Pairs are cabled on common axis with No. 24 A WG, stranded (7x32) tinned-copper drain wire. 6. Flame Resistance: Comply with NFPA RS-485 CABLE a. Standard Cable: NFPA 70, Type CM. 1. Paired, two pairs, twisted, No. 22 AWG, stranded (7x30) tinned-copper conductors. 2. PVC insulation. 3. Unshielded. 4. PVC jacket. 5. Flame Resistance: Comply with UL b. Plenum-Rated Cable: NFPA 70, Type CMP. 1. Paired, two pairs, No. 22 A WG, stranded (7x30) tinned-copper conductors. 2. Fluorinated ethylene propylene insulation. 3. Unshielded. 4. Fluorinated ethylene propylene jacket. 5. Flame Resistance: NFPA 262, Flame Test. 7. LOW-VOLTAGE CONTROL CABLE a. Paired Cable: NFPA 70, Type CMG. 1. One pair, twisted, No. 16 AWG, stranded (19x29) tinned-copper conductors. 2. PVC insulation. 3. Unshielded. 4. PVC jacket. 5. Flame Resistance: Comply with UL b. Plenum-Rated, Paired Cable: NFPA 70, Type CMP. 1. One pair, twisted, No. 16 AWG, stranded (19x29) tinned-copper conductors. 2. PVC insulation. 3. Unshielded. 4. PVC jacket. 5. Flame Resistance: Comply with NFPA CONTROL-VOLTAGE ELECTRICAL POWER CABLES Page4 o 8

39 8. CONTROL-CffiCUIT CONDUCTORS a. Class 1 Control Circuits: Stranded copper, Type THHN-THWN, in raceway, complying with UL83. b. Class 2 Control Circuits: Stranded copper, Type THHN-THWN, in raceway, complying with UL83. c. Class 3 Remote-Control and Signal Circuits: Stranded copper, Type TW or Type TF, complying with UL IDENTIFICATION PRODUCTS a. Manufacturers: Subject to compliance with requirements, provide products by one of the following: 1. Brady Corporation. 2. HellermannTyton. 3. KroyLLC. 4. Panduit Corp. 5. Approved Equivalent. b. Comply with UL 969 for a system of labeling materials, including label stocks, laminating adhesives, and inks used by label printers. c. Comply with requirements in Section "Electrical Identification." PART 3 -EXECUTION 1. INSTALLATION OF PATHWAYS a. Comply with TIA/EIA-569-A for pull-box sizing and length of conduit and number of bends between pull points. b. Comply with requirements in Section "Raceways and Boxes" for installation of conduits and wireways. c. Install manufactured conduit sweeps and long-radius elbows if possible. d. Pathway Installation in Equipment Rooms: 1. Position conduit ends adjacent to a corner on backboard if a single piece of plywood is installed or in the corner of room if multiple sheets of plywood are installed around perimeter walls of room. 2. Secure conduits to backboard if entering room from overhead. 3. Extend conduits 3 inches above finished floor. 4. Install metal conduits with grounding bushings and connect with grounding conductor to grounding system CONTROL-VOLTAGE ELECTRICAL POWER CABLES Page 5 o 8

40 e. Backboards: Install backboards with 96-inch dimension vertical. Butt adjacent sheets tightly and form smooth gap-free comers and joints. 2. INSTALLATION OF CONDUCTORS AND CABLES a. NECA: Comply with NECA 1. b. General Requirements for Cabling: 1. Comply with BICSI ITSIM, Ch. 6, "Cable Termination Practices." 2. Terminate all conductors; no cable shall contain unterminated elements. Make terminations only at indicated outlets, terminals, and cross-connect and patch panels. 3. Cables may not be spliced. Secure and support cables at intervals not exceeding 30 inches and not more than 6 inches from cabinets, boxes, fittings, outlets, racks, frames, and terminals. 4. Bundle, lace, and train conductors to terminal points without exceeding manufacturer's limitations on bending radii, but not less than radii specified in BICSI ITSIM, "Cabling Termination Practices" Chapter. Install lacing bars and distribution spools. 5. Do not install bruised, kinked, scored, deformed, or abraded cable. Do not splice cable between termination, tap, or junction points. Remove and discard cable if damaged during installation and replace it with new cable. 6. Cold-Weather Installation: Bring cable to room temperature before dereeling. Heat lamps shall not be used for heating. 7. Pulling Cable: Comply with BICSI ITSIM, Ch. 4, "Pulling Cable." Monitor cable pull tensions. c. UTP Cable Installation: 1. Comply with TIAIEIA-568-B Install 11 0-style IDC termination hardware unless otherwise indicated. 3. Do not untwist UTP cables more than 112 inch from the point of termination to maintain cable geometry. d. Installation of Control-Circuit Conductors: Install wiring in raceways. Comply with requirements specified in Section "Raceways and Boxes." e. Separation from EMI Sources: 1. Comply with BICSI TDMM and TIA/EIA-569-A recommendations for separating unshielded copper voice and data communication cable from potential EMI sources, including electrical power lines and equipment. 2. Separation between open communications cables or cables in nonmetallic raceways and unshielded power conductors and electrical equipment shall be as follows: CONTROL-VOLTAGE ELECTRICAL POWER CABLES Page 6 o 8

41 a. Electrical Equipment Rating Less Than 2 kv A: A minimum of 5 inches. b. Electrical Equipment Rating between 2 and 5 kva: A minimum of 12 inches. c. Electrical Equipment Rating More Than 5 kv A: A minimum of 24 inches. 3. Separation between communications cables in grounded metallic raceways and unshielded power lines or electrical equipment shall be as follows: 1. Electrical Equipment Rating Less Than 2 kva: A minimum of2-l/2 inches. 2. Electrical Equipment Rating between 2 and 5 kv A: A minimum of 6 inches. 3. Electrical Equipment Rating More Than 5 kva: A minimum of 12 inches. 4. Separation between communications cables in grounded metallic raceways and power lines and electrical equipment located in grounded metallic conduits or enclosures shall be as follows: 1. Electrical Equipment Rating Less Than 2 kv A: No requirement. 2. Electrical Equipment Rating between 2 and 5 kv A: A minimum of 3 inches. 3. Electrical Equipment Rating More Than 5 kv A: A minimum of 6 inches. 5. Separation between Cables and Electrical Motors and Transformers, 5 kv A or HP and Larger: A minimum of 48 inches. 6. Separation between Cables and Fluorescent Fixtures: A minimum of 5 inches. 3. REMOVAL OF CONDUCTORS AND CABLES Remove abandoned conductors and cables. 4. CONTROL-CIRCUIT CONDUCTORS Minimum Conductor Sizes: 1. Class 1 remote-control and signal circuits, No 14 A WG. 2. Class 2 low-energy, remote-control, and signal circuits, No. 16 AWG. 3. Class 3 low-energy, remote-control, alarm, and signal circuits, No 12 AWG. 5. FIRESTOPPING a. Comply with TIA/EIA-569-A, Annex A, "Firestopping." b. Comply with BICSI TDMM, "Firestopping Systems" Article. 6. GROUNDING a. For data communications wiring, comply with ANSI-J-STD-607-A and with BICSI TDMM, "Grounding, Bonding, and Electrical Protection" Chapter. b. For low-voltage wiring and cabling, comply with requirements in Section "Grounding and Bonding." CONTROL-VOLTAGE ELECTRICAL POWER CABLES Page 7 ofs

42 7. IDENTIFICATION Identify system components, wmng, and cabling according to TWEIA-606-A. requirements for identification specified in Section "Electrical Identification." Comply with 8. FIELD QUALITY CONTROL a. Perform tests and inspections. b. Tests and Inspections: 1. Visually inspect UTP cable jacket materials for UL or third-party certification markings. Inspect cabling terminations to confirm color-coding for pin assignments, and inspect cabling connections to confirm compliance with TWEIA-568-B.l. 2. Visually inspect cable placement, cable termination, grounding and bonding, equipment and patch cords, and labeling of all components. 3. Test UTP cabling for DC loop resistance, shorts, opens, intermittent faults, and polarity between conductors. Test operation of shorting bars in connection blocks. Test cables after termination but not after cross connection. Test instruments shall meet or exceed applicable requirements in TWEIA-568-B.2. Perform tests with a tester that complies with performance requirements in "Test Instruments (Normative)" Annex, complying with measurement accuracy specified in "Measurement Accuracy (Informative)" Annex. Use only test cords and adapters that are qualified by test equipment manufacturer for channel or link test configuration. c. Document data for each measurement. Print data for submittals in a summary report that is formatted using Table 10.1 in BICSI TDMM as a guide, or transfer the data from the instrument to the computer, save as text files, print, and submit. d. End-to-end cabling will be considered defective if it does not pass tests and inspections. e. Prepare test and inspection reports CONTROL-VOLTAGE ELECTRICAL POWER CABLES Page 8 of8

43 Johnson County PWSD No. 3 Wastewater Collection Treatment Facility Improvements ELECTRICAL AND ACCESSORIES PART 1 - GENERAL a. Types of supports, anchors, sleeves and seals specified in this section include the following: Clevis hangers. Riser clamps. C-clamps.!-beam clamps. One-hole conduit straps. Two-hole conduit straps. Round steel rods. Lead expansion anchors. Toggle bolts. U-channel strut systems. Wall and floor seals. b. Equipment: Supports, anchors, sleeves and seals furnished as part of factory-fabricated equipment are specified as part of equipment assembly in other Division sections. PART 2 - QUALITY CONTROL a. Manufacturers: Firms regularly engaged in manufacture of supporting devices, of types, sizes and ratings required. b. National Electric Code (NEC) Compliance: Comply with NBC as applicable to construction and installation of electrical supporting devices. c. American National Standard Institute (ANSI)/National Electrical Manufacturers Association (NEMA) Compliance: Comply with applicable requirements of ANSI/NEMA Std Pub No. FB 1, "Fittings and Supports for Conduit and Cable Assemblies." d. NECA Compliance: Comply with National Electrical Contractors Association's "Standard oflnstallation" pertaining to anchors, fasteners, hangers, supports, and equipment mounting. e. Underwriters Laboratory (UL) Compliance: Provide electrical components which are UL-listed and labeled. PART3-REQUIREDSUBMITTALS Product Data: Submit catalog cuts, specifications, installation instructions, for each type of support, anchor, sleeve and seal. Submit hanger and support schedule showing manufacturer's figure number, size, location, and features for each required hanger and support ELECTRICAL AND ACCESSORIES Page 1 of4

44 Johnson County PWSD No. 3 Wastewater Collection Treatment Facility Improvements PART 4- MATERIALS 1. MANUFACTURED SUPPORTING DEVICES a. General: Provide supporting devices; complying with manufacturer's standard materials, design and construction in accordance with published product information and as required for a complete installation; and as herein specified. Where more than one type of device meets indicated requirements, selection is Installer's option. b. Supports: Provide supporting devices of types, sizes and materials indicated; and having the following construction features: 1. Clevis Hangers: For supporting 2" rigid metal conduit; galvanized steel; with Yz'' dia. hole for round steel rod; approx. 54 pounds per 100 units. 2. Riser Clamps: For supporting 5" rigid metal conduit; black steel; with 2 bolts and nuts, and 4" ears; approx. 510 pounds per 100 units. 3. Reducing Couplings: Steel rod reducing coupling, Yz'' x _";black steel; approx. 16 pounds per 100 units. 4. C-Clamps: Black malleable iron; 112" rod size; approx. 70 pounds per 100 units. 5. I -Beam Clamps: Black steel, 1-1/4" x 3/16" stock;_" cross bolt; flange width 2"; approx. 52 pounds per 100 units. 6. One-Hole Conduit Straps: For supporting%" rigid metal conduit; galvanized steel; approx. 7 pounds per 100 units. 7. Two-Hole Conduit Straps: For supporting%" rigid metal conduit, galvanized steel; %" strap width; and 2-118" between center of screw holes. 8. Hexagon Nuts: For W' rod size; galvanized steel; approx. 4 pounds per 100 units. 9. Round Steel Rod: Black steel; Y2" dia.; approx. 67 pounds per 100 feet. 10. Offset Conduit Clamps: For supporting 2" rigid metal conduit; black steel; approx. 200 pounds per 100 units. c. Anchors: Provide anchors of types, sizes and materials indicated or required, having the following construction features: 1. Lead Expansion Anchors: W'; approx. 38 pounds per 100 units. 2. Toggle Bolts: Spring head; 3116" x 4"; approx. 5 pounds per 100 units ELECTRICAL AND ACCESSORIES Page 2 of 4

45 Johnson County PWSD No. 3 Wastewater Collection Treatment Facility Improvements d. Sleeves and Seals: Provide sleeves and seals, of types, sizes and materials indicated; and having the following construction features: Wall and Floor Seals: Provide factory-assembled watertight wall and floor seals, of types and sizes indicated; suitable for sealing around conduit, pipe, or tubing passing through concrete floors and walls. Construct with steel sleeves, malleable iron body, neoprene sealing grommets and rings, metal pressure rings, pressure clamps, and cap screws. e. Conduit Cable Supports: Provide cable supports with insulating wedging plug for non-armored type electrical cable in risers; construct for 2" rigid metal conduit; 3-wires, type wire as indicated; construct body of malleable iron casting with hot dip galvanized finish. f. U-Channel Strut Systems: Provide U-channel strut system for supporting electrical equipment, 16-gage hot dip galvanized steel, of types and sizes indicated or required; with fittings which mate and match with U Channel: g. Acceptable Manufacturers: Subject to compliance with requirements, provide channel systems of one of the following: Greenfield Mfg Co., Inc.; Midland-Ross Corp. Power-Strut Div; Unistrut Div; GTE Products Corp.; or Approved Equivalent. 2. FABRICATED SUPPORTING DEVICES a. Pipe Sleeves: Provide pipe sleeves of one of the following: 1. Sheet-Metal: Fabricate from galvanized sheet metal ; round tube closed with snaplock joint, welded spiral seams, or welded longitudinal joint. Fabricate from the following gages: 3" and smaller, 20 gage; 4" to 6", 16 gage; over 6", 14 gage. 2. Steel-Pipe: Fabricate from Schedule 40 galvanized steel pipe; remove burrs. 3. Iron-Pipe: Fabricate from cast-iron or ductile-iron pipe; remove burrs. 4. Plastic-Pipe: Fabricate from Schedule 40 PVC plastic pipe; remove burrs. b. Sleeve Seals: Provide sleeve seals for sleeves located in foundation walls below grade, or in exterior walls, of one of the following: Rubber link seals tightened by stainless steel bolts and nuts ELECTRICAL AND ACCESSORIES Page 3 of 4

46 Johnson County PWSD No. 3 Wastewater Collection Treatment Facility Improvements PART 5- CONSTRUCTION a. Install hangers, anchors, sleeves and seals as indicated, in accordance with manufacturer's written instructions and with recognized industry practices to insure supporting devices comply with requirements. Comply with requirements ofneca, NEC and ANSIINEMA for installation of supporting devices. b. Coordinate with other electrical work, including raceway and wiring work, as necessary to interface installation of supporting devices with other work. c. Install hangers, supports, clamps and attachments to support piping properly from building structure. Arrange for grouping of parallel runs of horizontal conduits to be supported together on trapeze type hangers where possible. Install supports with maximum spacings indicated. d. Tighten sleeve seal nuts until sealing grommets have expanded to form watertight seal ELECTRICAL AND ACCESSORIES Page 4 of 4

47 16132 RACEWAY AND BOXES PART 1- GENERAL 1. SUMMARY Section Includes: 1. Metal conduits, tubing, and fittings. 2. Nonmetal conduits, tubing, and fittings. 3. Metal wireways and auxiliary gutters. 4. Nonmetal wireways and auxiliary gutters. 5. Boxes, enclosures, and cabinets. 6. Handholes and boxes for exterior underground cabling. 2. ACTION SUBMITTALS a. Product Data: For surface raceways, wireways and fittings, floor boxes, hinged-cover enclosures, and cabinets. b. Shop Drawings: For custom enclosures and cabinets. Include plans, elevations, sections, and attachment details. 3. INFORMATIONAL SUBMITTALS a. Coordination Drawings: Conduit routing plans, drawn to scale, on which the following items are shown and coordinated with each other, using input from installers of items involved: b. Structural members in paths of conduit groups with common supports. c. HV AC and plumbing items and architectural features in paths of conduit groups with common supports. PART 3 -PRODUCTS 1. METAL CONDUITS, TUBING, AND FITTINGS a. Listing and Labeling: Metal conduits, tubing, and fittings shall be listed and labeled as defined in NFPA 70, by a qualified testing agency, and marked for intended location and application. b. GRC: Comply with ANSI C80.1 and UL 6. c. PVC-Coated Steel Conduit: PVC-coated rigid steel conduit. 1. NEMA RN 1: Comply with NEMA RN Coating Thickness: inch, minimum. d. EMT: Comply with ANSI C80.3 and UL RACEWAYS AND BOXES Page 1 of10

48 e. FMC: Comply with UL 1; zinc-coated steel. f. LFMC: Flexible steel conduit with PVC jacket and complying with UL 360. g. Fittings for Metal Conduit: Comply with NEMA FB 1 and UL 514B. 1. Conduit Fittings for Hazardous (Classified) Locations: Comply with UL 886 and NFPA Fittings for EMT: a. Material: Steel. b. Type: compression. 3. Expansion Fittings: PVC or steel to match conduit type, complying with UL 651, rated for environmental conditions where installed, and including flexible external bonding jumper. 4. Coating for Fittings for PVC-Coated Conduit: Minimum thickness of inch, with overlapping sleeves protecting threaded joints. h. Joint Compound for IMC, GRC, or ARC: Approved, as defined in NFPA 70, by authorities having jurisdiction for use in conduit assemblies, and compounded for use to lubricate and protect threaded conduit joints from corrosion and to enhance their conductivity. 2. NONMETALLIC CONDUITS, TUBING, AND FITTINGS a. Listing and Labeling: Nonmetallic conduits, tubing, and fittings shall be listed and labeled as defined in NFPA 70, by a qualified testing agency, and marked for intended location and application. b. RNC: Type EPC-40-PVC, complying with NEMA TC 2 and UL 651 unless otherwise indicated. 3. METAL WIREWAYS AND AUXILIARY GUTTERS a. Description: Sheet metal, complying with UL 870 and NEMA 250, Type 3R unless otherwise indicated, and sized according to NFPA 70. Metal wireways installed outdoors shall be listed and labeled as defined in NFP A 70, by a qualified testing agency, and marked for intended location and application. b. Fittings and Accessories: Include covers, couplings, offsets, elbows, expansion joints, adapters, hold-down straps, end caps, and other fittings to match and mate with wireways as required for complete system RACEWAYS AND BOXES Page2 o 10

49 4. NONMETALLIC WIREWAYS AND AUXILIARY GUTTERS a. Listing and Labeling: Nonmetallic wireways and auxiliary gutters shall be listed and labeled as defined in NFPA 70, by a qualified testing agency, and marked for intended location and application. b. Description: Fiberglass polyester, extruded and fabricated to required size and shape, without holes or knockouts. Cover shall be gasketed with oil-resistant gasket material and fastened with captive screws treated for corrosion resistance. Connections shall be flanged and have stainless-steel screws and oilresistant gaskets. c. Fittings and Accessories: Couplings, offsets, elbows, expansion joints, adapters, hold-down straps, end caps, and other fittings shall match and mate with wireways as required for complete system. 5. BOXES, ENCLOSURES, AND CABINETS a. General Requirements for Boxes, Enclosures, and Cabinets: Boxes, enclosures, and cabinets installed in wet locations shall be listed for use in wet locations. b. Sheet Metal Outlet and Device Boxes: Comply with NEMA OS 1 and UL 514A. c. Cast-Metal Outlet and Device Boxes: Comply with NEMA FB 1, ferrous alloy, Type FD, with gasketed cover. d. Nonmetallic Outlet and Device Boxes: Comply with NEMA OS 2 and UL 514C. e. Metal Floor Boxes: 1. Material: Cast metal. 2. Type: Fully adjustable. 3. Shape: Rectangular. 4. Listing and Labeling: Metal floor boxes shall be listed and labeled as defined in NFP A 70, by a qualified testing agency, and marked for intended location and application. f. Nonmetallic Floor Boxes: Nonadjustable, rectangular. Listing and Labeling: Nonmetallic floor boxes shall be listed and labeled as defined in NFPA 70, by a qualified testing agency, and marked for intended location and application. g. Luminaire Outlet Boxes: Nonadjustable, designed for attachment of luminaire weighing 50 lb. Outlet boxes designed for attachment of luminaires weighing more than 50 lb shall be listed and marked for the maximum allowable weight. h. Paddle Fan Outlet Boxes: Nonadjustable, designed for attachment of paddle fan weighing 70 lb. Listing and labeling: Paddle fan outlet boxes shall be listed and labeled as defined in NFPA 70, by a qualified testing agency, and marked for intended location and application. i. Small Sheet Metal Pull and Junction Boxes: NEMA OS RACEWAYS AND BOXES Page3 of10

50 j. Cast-Metal Access, Pull, and Junction Boxes: Comply with NEMA FB 1 and UL 1773, galvanized, cast iron with gasketed cover. k. Box Extensions: Box extensions used to accommodate new building finishes shall be of same material as recessed box. I. Device Box Dimensions: 4 inches square by inches deep. m. Gangable Boxes: Gangable boxes are prohibited. n. Hinged-Cover Enclosures: Comply with UL 50 and NEMA 250, Type 12 with continuous-hinge cover with flush latch unless otherwise indicated. o. Cabinets: 1. Metal Enclosures: Steel, finished inside and out with manufacturer's standard enamel. 2. Nonmetallic Enclosures: Fiberglass. 3. Interior Panels: Steel; all sides finished with manufacturer's standard enamel. 1. NEMA 250, Type 12 galvanized-steel box with removable interior panel and removable front, finished inside and out with manufacturer's standard enamel unless noted otherwise on drawings. 2. Hinged door in front cover with flush latch and concealed hinge. 3. Key latch to match panelboards. 4. Metal barriers to separate wiring of different systems and voltage. 5. Accessory feet where required for freestanding equipment. 6. Nonmetallic cabinets shall be listed and labeled as defined in NFPA 70, by a qualified testing agency, and marked for intended location and application. 6. HANDHOLES AND BOXES FOR EXTERIOR UNDERGROUND WIRING a. General Requirements for Handholes and Boxes: 1. Boxes and handholes for use in underground systems shall be designed and identified as defined in NFPA 70, for intended location and application. 2. Boxes installed in wet areas shall be listed and labeled as defined in NFPA 70, by a qualified testing agency, and marked for intended location and application. b. Polymer-Concrete Handholes and Boxes with Polymer-Concrete Cover: Molded of sand and aggregate, bound together with polymer resin, and reinforced with steel, fiberglass, or a combination of the two RACEWAYS AND BOXES Page4 o 10

51 1. Standard: Comply with SCTE Configuration: Designed for flush burial with integral closed bottom unless otherwise indicated. 3. Cover: Weatherproof, secured by tamper-resistant locking devices and having structural load rating consistent with enclosure and handhole location. 4. Cover Finish: Nonskid finish shall have a minimum coefficient of friction of Cover Legend: Molded lettering, "ELECTRIC.". 6. Conduit Entrance Provisions: Conduit-terminating fittings shall mate with entering ducts for secure, fixed installation in enclosure wall. PART 3-EXECUTION 1. RACEWAY APPLICATION a. Outdoors: Apply raceway products as specified below unless otherwise indicated: Exposed Conduit: GRC. Concealed Conduit, Aboveground: GRC. Underground Conduit: RNC, Type EPC-40-PVC, concrete encased. Connection to Vibrating Equipment (Including Transformers and Hydraulic, Pneumatic, Electric Solenoid, or Motor-Driven Equipment): LFMC. Boxes and Enclosures, Aboveground: NEMA 250, Type 3R. b. Indoors: Apply raceway products as specified below unless otherwise indicated. 1. Exposed, Not Subject to Physical Damage: EMT. 2. Exposed, Not Subject to Severe Physical Damage: EMT. 3. Exposed and Subject to Severe Physical Damage: GRC. Raceway locations include the following: a. Loading dock. b. Corridors used for traffic of mechanized carts, forklifts, and pallet-handling units. c. Mechanical rooms. 4. Concealed in Ceilings and Interior Walls and Partitions: EMT. 5. Connection to Vibrating Equipment (Including Transformers and Hydraulic, Pneumatic, Electric Solenoid, or Motor-Driven Equipment): FMC, except use LFMC in damp or wet locations RACEWAYS AND BOXES PageS o 10

52 Johnson County PWSD No.3 Wastewater Collection and Treatment Facility Improvements 6. Damp or Wet Locations: GRC. 7. Boxes and Enclosures: NEMA 250, Type 1, except use NEMA 250, Type 4 stainless steel in institutional and commercial kitchens and damp or wet locations. c. Minimum Raceway Size: 3/4-inch trade size. d. Raceway Fittings: Compatible with raceways and suitable for use and location. 1. Rigid and Intermediate Steel Conduit: Use threaded rigid steel conduit fittings unless otherwise indicated. Comply with NEMA FB PVC Externally Coated, Rigid Steel Conduits: Use only fittings listed for use with this type of conduit. Patch and seal all joints, nicks, and scrapes in PVC coating after installing conduits and fittings. Use sealant recommended by fitting manufacturer and apply in thickness and number of coats recommended by manufacturer. 3. EMT: Use compression, steel fittings. Comply with NEMA FB Flexible Conduit: Use only fittings listed for use with flexible conduit. Comply with NEMA FB e. Do Not Install: Do not install aluminum conduits, boxes, or fittings in contact with concrete or earth. f. Do Not Install: Do not install nonmetallic conduit where ambient temperature exceeds 120 deg F. 2. INSTALLATION a. Comply with NECA 1 and NECA 101 for installation requirements except where requirements on Drawings or in this article are stricter. Comply with NECA 102 for aluminum conduits. Comply with NFPA 70 limitations for types of raceways allowed in specific occupancies and number of floors. b. Keep raceways at least 6 inches away from parallel runs of flues and steam or hot-water pipes. Install horizontal raceway runs above water and steam piping. c. Comply with requirements in Section "Hangers and Supports for Electrical Systems" for hangers and supports. d. Arrange stub-ups so curved portions of bends are not visible above finished slab. e. Install no more than the equivalent of three 90-degree bends in any conduit run except for control wiring conduits, for which fewer bends are allowed. Support within 12 inches of changes in direction. f. Conceal conduit and EMT within finished walls, ceilings, and floors unless otherwise indicated. Install conduits parallel or perpendicular to building lines. g. Support conduit within 12 inchesof enclosures to which attached RACEWAYS AND BOXES Page 6 o 10

53 h. Raceways Embedded in Slabs: 1. Run conduit larger than l-inch trade size, parallel or at right angles to main reinforcement. Where at right angles to reinforcement, place conduit close to slab support. Secure raceways to reinforcement at maximum 10-foot intervals. 2. Arrange raceways to cross building expansion joints at right angles with expansion fittings. 3. Arrange raceways to keep a minimum of 1 inch of concrete cover in all directions. 4. Do not embed threadless fittings in concrete unless specifically approved by Architect for each specific location. 5. Change from ENT to GRC before rising above floor. i. Stub-ups to Above Recessed Ceilings: 1. Use EMT, IMC, or RMC for raceways. 2. Use a conduit bushing or insulated fitting to terminate stub-ups not terminated in hubs or in an enclosure. j. Threaded Conduit Joints, Exposed to Wet, Damp, Corrosive, or Outdoor Conditions: Apply listed compound to threads of raceway and fittings before making up joints. Follow compound manufacturer's written instructions. k. Coat field-cut threads on PVC-coated raceway with a corrosion-preventing conductive compound prior to assembly. I. Raceway Terminations at Locations Subject to Moisture or Vibration: Use insulating bushings to protect conductors including conductors smaller than No. 4 A WG. m. Terminate threaded conduits into threaded hubs or with locknuts on inside and outside of boxes or cabinets. Install bushings on conduits up to inch trade size and insulated throat metal bushings on 1-1/2-inch trade size and larger conduits terminated with locknuts. Install insulated throat metal grounding bushings on service conduits. n. Install pull wires in empty raceways. Use polypropylene or monofilament plastic line with not less than 200-lb tensile strength. Leave at least 12 inches of slack at each end of pull wire. Cap underground raceways designated as spare above grade alongside raceways in use. o. Install raceway sealing fittings at accessible locations according to NFPA 70 and fill them with listed sealing compound. For concealed raceways, install each fitting in a flush steel box with a blank cover plate having a finish similar to that of adjacent plates or surfaces. q. Install devices to seal raceway interiors at accessible locations. Locate seals so no fittings or boxes are between the seal and the following changes of environments. Seal the interior of all raceways at the following points: RACEWAYS AND BOXES Page 7 of10

54 1. Where conduits pass from warm to cold locations, such as boundaries of refrigerated spaces. 2. Where an underground service raceway enters a building or structure. 3. Where otherwise required bynfpa 70. r. Expansion-Joint Fittings: 1. Install in each run of aboveground RNC that is located where environmental temperature change may exceed 30 deg F and that has straight-run length that exceeds 25 feet. 2. Install type and quantity of fittings that accommodate temperature change listed for each of the following locations: a. Outdoor Locations Not Exposed to Direct Sunlight: 125 deg F temperature change. b. Outdoor Locations Exposed to Direct Sunlight: 155 deg F temperature change. c. Indoor Spaces Connected with Outdoors without Physical Separation: 125 deg F temperature change. d. Attics: 135 deg F temperature change. 3. Install fitting(s) that provide expansion and contraction for at least inch per foot of length of straight run per degree F of temperature change for PVC conduits. 4. Install expansion fittings at all locations where conduits cross building or structure expansion joints. 5. Install each expansion-joint fitting with position, mounting, and piston setting selected according to manufacturer's written instructions for conditions at specific location at time of installation. Install conduit supports to allow for expansion movement. s. Flexible Conduit Connections: Comply with NEMA RV 3. Use a maximum of 72 inches of flexible conduit for recessed and semirecessed luminaires, equipment subject to vibration, noise transmission, or movement; and for transformers and motors. 1. Use LFMC in damp or wet locations subject to severe physical damage. 2. Use LFMC or LFNC in damp or wet locations not subject to severe physical damage. t. Mount boxes at heights indicated on Drawings. If mounting heights of boxes are not individually indicated, give priority to ADA requirements. Install boxes with height measured to center of box unless otherwise indicated. u. Recessed Boxes in Masonry Walls: Saw-cut opening for box in center of cell of masonry block, and install box flush with surface of wall. Prepare block surfaces to provide a flat surface for a raintight connection between the box and cover plate or the supported equipment and box. v. Horizontally separate boxes mounted on opposite sides of walls so they are not in the same vertical channel RACEWAYS AND BOXES Page 8 o 10

55 w. Locate boxes so that cover or plate will not span different building finishes. x. Support boxes of three gangs or more from more than one side by spanning two framing members or mounting on brackets specifically designed for the purpose. y. Fasten junction and pull boxes to or support from building structure. Do not support boxes by conduits. z. Set metal floor boxes level and flush with finished floor surface. aa. Set nonmetallic floor boxes level. Trim after installation to fit flush with finished floor surface. 3. INSTALLATION OF UNDERGROUND CONDUIT a. Direct-Buried Conduit: 1. Excavate trench bottom to provide firm and uniform support for conduit. Prepare trench bottom as specified in Section "Earthwork" for pipe less than 6 inches in nominal diameter. 2. Install backfill as specified in Section "Earthwork." 3. After installing conduit, backfill and compact. Start at tie-in point, and work toward end of conduit run, leaving conduit at end of run free to move with expansion and contraction as temperature changes during this process. Firmly hand tamp backfill around conduit to provide maximum supporting strength. After placing controlled backfill to within 12 inches of finished grade, make final conduit connection at end of run and complete backfilling with normal compaction as specified in Section "Earthwork." 4. Install manufactured rigid steel conduit elbows for stub-ups at poles and equipment and at building entrances through floor. For stub-ups at equipment mounted on outdoor concrete bases and where conduits penetrate building foundations, extend steel conduit horizontally a minimum of 60 inches from edge of foundation or equipment base. Install insulated grounding bushings on terminations at equipment. 5. Underground Warning Tape: Comply with requirements in Section "Electrical Identification." 4. INSTALLATION OF UNDERGROUND HANDHOLES AND BOXES a. Install handholes and boxes level and plumb and with orientation and depth coordinated with connecting conduits to minimize bends and deflections required for proper entrances. b. Unless otherwise indicated, support units on a level bed of crushed stone or gravel, graded from 1/2- inch sieve to No.4 sieve and compacted to same density as adjacent undisturbed earth. c. Elevation: In paved areas, set so cover surface will be flush with finished grade. Set covers of other enclosures 1 inch above finished grade RACEWAYS AND BOXES Page 9 of10

56 d. Install handholes with bottom below frost line. e. Field-cut openings for conduits according to enclosure manufacturer's written instructions. Cut wall of enclosure with a tool designed for material to be cut. Size holes for terminating fittings to be used, and seal around penetrations after fittings are installed. 5. SLEEVE AND SLEEVE-SEAL INSTALLATION FOR ELECTRICAL PENETRATIONS Install sleeves and sleeve seals at penetrations of exterior floor and wall assemblies. Comply with requirements in Section "Sleeves and Sleeve Seals for Electrical Raceways and Cabling." 6. FIRESTOPPING Install firestopping at penetrations of fire-rated floor and wall assemblies. Comply with requirements in Section "Through-Penetration Firestop Systems." 7. PROTECTION Protect coatings, finishes, and cabinets from damage and deterioration. 1. Repair damage to galvanized finishes with zinc-rich paint recommended by manufacturer. 2. Repair damage to PVC coatings or paint finishes with matching touchup coating recommended by manufacturer RACEWAYS AND BOXES Page 10 oflo

57 Johnson County PWSD No.3 Wastewater Collection Treatment Facility Improvements ELECTRICAL BOXES AND FITTINGS PART 1- GENERAL Types of electrical boxes and fittings specified in this section include the following: Outlet boxes, junction boxes, pull boxes, floor boxes, bushings, locknuts and knockout closures. PART 2- QUALITY CONTROL a. National Electric Code (NEC) Compliance: Comply with NBC as applicable to construction and installation of electrical wiring boxes and fittings. b. Underwriters Laboratory, Inc. (UL) Compliance: Comply with applicable requirements oful 50, UL 514-Series, and UL 886 pertaining to electrical boxes and fittings. Provide electrical boxes and fittings which are UL-listed and labeled. c. National Electrical Manufacturers Association (NEMA) Compliance: Comply with applicable requirements ofnema Stds/Pub No.'s OS1, OS2 and Pub 250 pertaining to outlet and device boxes, covers and box supports. PART 3- REQUIRED SUBMITTALS Submit manufacturer's data on electrical boxes and fittings in accordance with this specification. 1. RIGID METAL FITTINGS Heavy-Duty Cast Malleable Iron Fittings: 1. Mogul type for conduit sizes 1-1/2" and larger. 2. LBD or roller action type LB for right angle fittings for conduit sizes 2" and larger. 3. Full-threaded hubs and rubber-gasketed covers. 4. Zinc, cadmium-plated or bronze hardware bolts and screws for assembly. 5. Finish with cadmium-plated or galvanizing. 6. Standard and junction fittings. 2. CONDUIT EXPANSION FITTINGS a. Line of Conduit Type: 1. Galvanized expansion fittings for rigid conduit movement up to 4 inches. 2. Insulated. metal bushing on ends of the conduit, bonding jumper, and with expansion head sealed with a high-grade graphite packing. 3. O.Z./Gedney Company, Type AX with Type AJ bonding jumper, or Approved Equivalent ELECTRICAL BOXES AND FITTINGS Page I ofs

58 Johnson County PWSD No. 3 Wastewater Collection Treatment Facility Improvements b. End Type 1. For conduit terminating in a junction box. 2. Insulated metal busing on ends of the conduit, bonding jumper, and with expansion head sealed with a high-grade graphite packing. 3. O.Z./Gedney Company, Type EXE with Type BJ-E bonding jumper, or Approved Equivalent. c. Conduit Expansion and Deflection Fittings 1. Provide for movement of%" from normal in all directions between two rigid conduits. 2. Integral bonding jumper. 3. O.Z./Gedney Company, Type DX., or Approved Equivalent. d. Conduit Wall Entrance Seals 1. Where required or indicated. 2. O.Z./Gedney Company, Type FSK, or Approved Equivalent. e. NEMAType: Conform to NEMA Type I enclosure in all nonhazardous areas except as specified or indicated otherwise. f. Rigid Metal Conduit Boxes 3. INDOOR BOXES a. Hot-dipped galvanized steel. b. Galvanized steel covers. c. Cadmium-plated or bronze screws and bolts. d. For special boxes where it is not possible to provide hot-dip galvanizing, apply one package organic zincrich primer after SSPC-SP3 Power Tool Cleaning, at 3 mils dry film thickness. e. Minimum gauge requirements: No Surface Area Exceeds 1000 sq. In sq. In. No Single Dimension Exceeds 70 in. 60 in. Gauge Steel f. Conform to NEMA Type 1 enclosure in all nonhazardous areas except as specified or indicated otherwise. g. Include piano-hinged, gasketed cover and interior mounting panel where oil-tight nc boxes are used for enclosing terminal blocks and control relays ELECTRICAL BOXES AND FITTINGS Page 2 of 5

59 Johnson County PWSD No. 3 Wastewater Collection Treatment Facility Improvements h. Waterproof hubs in areas subject to moisture as indicated. 4. OUTDOOR BOXES a. 11-gauge minimum galvanized steel with drip lip and galvanized-steel covers fastened with bronze or cadmium-plated screws or bolts, or cast iron with galvanized finish and flanged bolted covers. b. For special boxes where it is not possible to provide hot-dip galvanizing, apply one package organic zincrich primer after SSPC-SP3 Power Tool Cleaning, at 3 mils dry film thickness. c. Threaded conduit entrances or rigid conduit hubs on all boxes. d. Rubber or neoprene gasket for cover. e. Conform to NEMA Type 3R enclosure in all outdoor installations unless indicated otherwise. f. Conform to NEMA Type 4 enclosure where indicated or specified. g. Cast NEMA Type 4 in lieu of sheet steel. h. Include piano-hinged, gasketed cover and interior mounting panel when used for enclosing tenninal blocks and control relays. i. Oil-tight TIC boxes modified for NEMA Type 3R or Type 4 enclosure. 5. METALLIC BARRIERS a. Designed not to separate phases of a power circuit. b. Provide as indicated for the isolation of power circuits from other type circuits. c. Box size as required, or as indicated, for each particular installation. d. Include provisions for mounting cable supports where indicated, specified or as required by NEC. e. Provide where indicated or as required for cable pulling, junctions, terminals and for mounting of switches, outlets and control devices. 6. FffiERGLASS BOXES a. Indoor and Outdoor Locations: 1. High-impact strength fiberglass reinforced polyester formulation. 2. Have excellent chemical resistance and stability to high heat. 3. Removable enclosure cover with stainless steel captive screws. 4. Provide with hinged access door on all control or terminal enclosures ELECTRICAL BOXES AND FITTINGS Page 3 ofs

60 Johnson County PWSD No.3 Wastewater Collection Treatment Facility Improvements 5. Rubber or neoprene gaskets for door and covers. 6. Interior corrosion-resistant mounting plate when used for enclosing terminal blocks and control relays. 7. Conform to NEMA 4X enclosures in all outdoor installations. b. Box size as required by NBC or as indicated for each particular installation. c. Include provisions for mounting cable supports as indicated, specified, or as required by NBC. d. Provide where indicated for cable pulling, junctions, terminals, and for mounting of switches, outlets and control devices. PART4-MANUFACTURERS Subject to compliance with requirements, provide bushings, knockout closures, locknuts and connectors of one of the following: SquareD Co. Carlon Products Div. OZ/Gedney Co. RACO Div; Harvey Hubbell Inc. or Approved Equivalent PART 5- CONSTRUCTION a. Install electrical boxes and fittings as indicated, in accordance with manufacturer's written instructions, applicable requirements of NBC and NBC A's "Standard oflnstallation," and in accordance with recognized industry practices to fulfill project requirements. b. Coordinate installation of electrical boxes and fittings with wire/cable, wiring devices, and raceway installation work. c. Provide weathertight outlets for interior and exterior locations exposed to weather or moisture. d. Provide knockout closures to cap unused knockout holes where blanks have been removed. e. Install electrical boxes in those locations which ensure ready accessibility to enclosed electrical wiring. f. Avoid installing boxes back-to-hack in walls. Provide not less than 6" (150 mm) separation. g. A void installing aluminum products in concrete. h. Position recessed outlet boxes accurately to allow for surface finish thickness. i. Set floor boxes level and flush with finish flooring material. j. A void using round boxes where conduit must enter box through side of box, which would result in difficult and insecure connections when fastened with locknut or bushing on rounded surfaces ELECTRICAL BOXES AND FITTINGS Page 4 ofs

61 Johnson County PWSD No. 3 Wastewater Collection Treatment Facility Improvements k. Fasten electrical boxes firmly and rigidly to substrates, or structural surfaces to which attached, or solidly embed electrical boxes in concrete or masonry. I. Provide electrical connections for installed boxes. m. Subsequent to installation of boxes, protect boxes from construction debris and damage. n. During installation work, properly ground electrical boxes and, upon completion, demonstrate compliance with requirements of Section ELECTRICAL BOXES AND FITTINGS Page 5 ofs

62

63 16140 WIRING DEVICES PART 1- GENERAL 1. SUMMARY Section Includes: 1. Receptacles, receptacles with integral GFCI, and associated device plates. 2. Weather-resistant receptacles. 3. Snap switches and wall-box dimmers. 4. Solid-state fan speed controls. 5. Wall-switch and exterior occupancy sensors. 6. Communications outlets. 2. ADMINISTRATIVE REQUIREMENTS Coordination: Receptacles for Equipment Furnished by Others: Match plug configurations. 3. ACTION SUBMITTALS a. Product Data: For each type of product. b. Shop Drawings: List of legends and description of materials and process used for premarking wall plates. 4. INFORMATIONAL SUBMITTALS Field quality-control reports. 5. CLOSEOUT SUBMITTALS Operation and maintenance data. PART 2 -PRODUCTS Use the listed name and model or equivalent. 1. MANUFACTURERS a. Manufacturers' Names: Shortened versions (shown in parentheses) of the following manufacturers' names are used in other Part 2 articles: 1. Cooper Wiring Devices; Division of Cooper Industries, Inc. (Cooper). 2. Hubbell Incorporated; Wiring Device-Kellems (Hubbell). 3. Leviton Mfg. Company Inc. (Leviton). 4. Pass & Seymour/Legrand (Pass & Seymour) WIRING DEVICES Pagel of6

64 b. Source Limitations: Obtain each type of wiring device and associated wall plate from single source from single manufacturer. 2. GENERAL WIRING-DEVICE REQUIREMENTS a. Wiring Devices, Components, and Accessories: Listed and labeled as defined in NFPA 70, by a qualified testing agency, and marked for intended location and application. b. Comply with NFPA 70. c. Devices that are manufactured for use with modular plug-in connectors may be substituted under the following conditions: 1. Connectors shall comply with UL 2459 and shall be made with stranding building wire. 2. Devices shall comply with the requirements in this Section. 3. STRAIGHT-BLADE RECEPTACLES Convenience Receptacles, 125 V, 20 A: Comply with NEMA WD 1, NEMA WD 6 Configuration 5-20R, UL 498, and FS W-C-596. Products: Subject to compliance with requirements, provide one of the following: a. Cooper; 5351 (single), CR5362 (duplex). b. Hubbell; HBL5351 (single), HBL5352 (duplex). c. Leviton; 5891 (single), 5352 (duplex). d. Pass & Seymour; 5361 (single), 5362 (duplex). 4. GFCIRECEPTACLES a. General Description: 1. Straight blade, feed-through type. 2. Comply with NEMA WD 1, NEMA WD 6, UL 498, UL 943 Class A, and FS W-C Include indicator light that shows when the GFCI has malfunctioned and no longer provides proper GFCI protection. b. Duplex GFCI Convenience Receptacles, 125 V, 20 A: Products: Subject to compliance with requirements, provide one of the following: a. Cooper; VGF20. b. Hubbell; GFR5352L. c. Pass & Seymour; d. Leviton; WIRING DEVICES Page 2 of6

65 5. TOGGLE SWITCHES a. Comply with NEMA WD I, UL 20, and FS W-S-896. b. Switches, 120/277 V, 20 A: Products: Subject to compliance with requirements, provide one of the following: a. Single Pole: b. Two Pole: c. Three Way: d. FourWay: c. Pilot-Light Switches, 20 A: 1. Cooper; AH Hubbell; HBL Leviton; Pass & Seymour; CSB20AC Cooper; AH Hubbell; HBL Leviton; Pass & Seymour; CSB20AC2. 1. Cooper; AH Hubbell; HBL Leviton; Pass & Seymour; CSB20AC3. 1. Cooper; AH Hubbell; HBL Leviton; Pass & Seymour; CSB20AC4. 1. Products: Subject to compliance with requirements, provide one of the following: a. Cooper; AH1221PL for 120 and 277 V. b. Hubbell; HBL1201PL for 120 and 277 V. c. Leviton; 1221-LHI. d. Pass & Seymour; PS20ACIRPL for 120 V, PS20ACIRPL7 for 277 V. 2. Description: Single pole, with neon-lighted handle, illuminated when switch is "off." WIRING DEVICES Page 3 of6

66 6. WALLPLATES a. Single and Combination Types: Single and combination types shall match corresponding wiring devices. 1. Plate-Securing Screws: Metal with head color to match plate finish. 2. Material for Finished Spaces: 0.04-inch- thick steel with chrome-plated finish. 3. Material for Unfinished Spaces: Galvanized steel. 4. Material for Damp Locations: Cast aluminum with spring-loaded lift cover, and listed and labeled for use in wet and damp locations. b. Wet-Location, Weatherproof Cover Plates: NEMA 250, complying with Type 3R, weatherresistant, die-cast aluminum with lockable cover. 7. FINISHES Device Color: Wiring Devices Connected to Normal Power System: Gray unless otherwise indicated or required by NFPA 70 or device listing. PART 3 -EXECUTION 1. INSTALLATION a. General: Comply with NECA 1, including mounting heights listed in that standard, unless otherwise indicated. b. Coordination with Other Trades: 1. Protect installed devices and their boxes. Do not place wall finish materials over device boxes and do not cut holes for boxes with routers that are guided by riding against outside of boxes. 2. Keep outlet boxes free of plaster, drywall joint compound, mortar, cement, concrete, dust, paint, and other material that may contaminate the raceway system, conductors, and cables. 3. Install device boxes in brick or block walls so that the cover plate does not cross a joint unless the joint is troweled flush with the face of the wall. c. Conductors: 4. Install wiring devices after all wall preparation, including painting, is complete. 1. Do not strip insulation from conductors until right before they are spliced or terminated on devices. 2. Strip insulation evenly around the conductor using tools designed for the purpose. Avoid scoring or nicking of solid wire or cutting strands from stranded wire. 3. The length of free conductors at outlets for devices shall meet provisions of NFP A 70, Article 300, without pigtails WIRING DEVICES Page4 o 6

67 d. Device Installation: 1. Replace devices that have been in temporary use during construction and that were installed before building finishing operations were complete. 2. Keep each wiring device in its package or otherwise protected until it is time to connect conductors. 3. Do not remove surface protection, such as plastic film and smudge covers, until the last possible moment. 4. Connect devices to branch circuits using pigtails that are not less than 6 inches in length. 5. When there is a choice, use side wiring with binding-head screw terminals. Wrap solid conductor tightly clockwise, two-thirds to three-fourths of the way around terminal screw. 6. Use a torque screwdriver when a torque is recommended or required by manufacturer. 7. When conductors larger than No. 12 AWG are installed on 15- or 20-A circuits, splice No. 12 A WG pigtails for device connections. 8. Tighten unused terminal screws on the device. 9. When mounting into metal boxes, remove the fiber or plastic washers used to hold devicemounting screws in yokes, allowing metal-to-metal contact. e. Receptacle Orientation: Install ground pin of vertically mounted receptacles up, and on horizontally mounted receptacles to the left. f. Device Plates: Do not use oversized or extra-deep plates. Repair wall finishes and remount outlet boxes when standard device plates do not fit flush or do not cover rough wall opening. g. Arrangement of Devices: Unless otherwise indicated, mount flush, with long dimension vertical and with grounding terminal of receptacles on top. Group adjacent switches under single, multigang wall plates. h. Locations: Adjust locations of service poles to suit arrangement of partitions and furnishings. 2. GFCIRECEPTACLES Install non-feed-through-type GFCI receptacles where protection of downstream receptacles is not required WIRING DEVICES PageS of6

68 Johnson County PWSD No.3 Wastewater Collection and Treatment Facility Improvements 3. FIELD QUALITY CONTROL a. Perform the following tests and inspections: 1. Test Instruments: Use instruments that comply with UL Test Instrument for Convenience Receptacles: Digital wiring analyzer with digital readout or illuminated digital-display indicators of measurement. b. Tests for Convenience Receptacles: 1. Line Voltage: Acceptable range is 105 to 132 V. 2. Percent Voltage Drop under 15-A Load: A value of 3 percent or higher is unacceptable. 3. Ground Impedance: Values of up to 2 ohms are acceptable. 4. GFCI Trip: Test for tripping values specified in UL 1436 and UL Using the test plug, verify that the device and its outlet box are securely mounted. 6. Tests shall be diagnostic, indicating damaged conductors, high resistance at the circuit breaker, poor connections, inadequate fault current path, defective devices, or similar problems. Correct circuit conditions, remove malfunctioning units and replace with new ones, and retest as specified above. c. Wiring Device: Wiring device will be considered defective if it does not pass tests and inspections. d. Test and Inspection Reports: Prepare test and inspection reports WIRING DEVICES Page 6 of6

69 Johnson County PWSD No. 3 Wastewater Collection Treatment Facility Improvements EQUIPMENT WIRING PART 1 - GENERAL 1. DESCRIPTION OF WORK Extent of electrical connections for equipment is indicated by drawings and schedules. Electrical connections are hereby defined to include connections used for providing electrical power to all equipment. Applications of electrical power connections specified in this section include the following: 1. To HV AC equipment. 2. From electrical source to motor starters. 3. From motor starters to motors. 4. To lighting fixtures. 5. To converters, rectifiers, transformers, inverters, variable speed drives, and similar current adjustment features of equipment, etc. 6. To grounds including earthing connections. 7. To master units of communication, signal, alarm. PART 2- QUALITY CONTROL a. National Electric Code (NEC): Comply with applicable requirements ofnec as to type products used and installation of electrical power connections (terminals and splices) for junction boxes, motor starters, and disconnect switches. b. Institute of Electrical and Electronic Engineers (IEEE): Comply with Std.. 241, "IEEE Recommended Practice for Electric Power Systems in Commercial Buildings" pertaining to connections and terminations. c. American National Standards Institute (ANSI): Comply with applicable requirements of ANSIINEMA and ANSIIEIA standards pertaining to products and installation of electrical connections for equipment. d. Underwriters Laboratories (UL): Comply with UL Std. 486A, "Wire Connectors and Soldering Lugs for Use With Copper Conductors" including, but not limited to, tightening of electrical connection products and materials which are UL listed and labeled. PART 3 -MATERIALS a. For each electrical connection indicated, provide complete assembly of materials, including but not necessarily limited to, pressure connectors, terminals (lugs), electrical insulating tape, electrical solder, electrical soldering flux, heat-shrinkable insulating tubing, cable ties, solderless wire-nuts, and other items and accessories as needed to complete splices and terminations of types indicated EQUIPMENT WIRING Page 1 of2

70 Johnson County PWSD No.3 Wastewater Collection Treatment Facility Improvements b. Provide metal conduit, tubing and fittings of types, grades, sizes and weights (wall thicknesses) for each type service. c. Wires, Cables and Connectors: 1. Provide wires, cables, and connectors complying with appropriate Division basic electrical materials and methods section "Wires and Cables." 2. Unless otherwise indicated, provide wires/cables (conductors) for electrical connections which match, including sizes and ratings, of wires/cables which are supplying electrical power. Provide copper conductors with conductivity of not less than 98% at 20 C (61 F). 3. Provide electrical insulating tape, heat-shrinkable insulating tubing and boots, electrical solder, electrical soldering flux, wirenuts and cable ties as recommended for use by accessories manufacturers of type services indicated. PART 4- CONSTRUCTION a. Install electrical connections as indicated, in accordance with equipment manufacturer's written instructions and with recognized industry practices and complying with applicable requirements oful, NEC and NECA's "Standard oflnstallation" to ensure that products fulfill requirement. b. Coordinate with other work, including' wires/cables, raceways and equipment installation, as necessary to properly interface installation of electrical connections for equipment with other work. Connect electrical power supply conductors to equipment conductors in accordance with equipment manufacturer's written instructions and wiring diagrams. Mate and match conductors of electrical connections for proper interface between electrical power supplies and installed equipment. c. Cover splices with electrical insulating material equivalent to, or of greater insulating resistivity rating than, electrical insulation rating of those conductors being spliced. d. Prepare cables and wires by cutting and stripping covering armor, jacket, and insulation properly to ensure uniform and neat appearance where cables and wires are terminated. Exercise care to avoid cutting through tapes which will remain on conductors. Also avoid "ringing" copper conductors while skinning wire. e. Trim cables and wires as short as practicable and arrange routing to facilitate inspection, testing and maintenance. f. Tighten connectors and terminals, including screws and bolts, in accordance with equipment manufacturer's published torque tightening values for equipment connectors. Accomplish tightening by utilizing proper torquing tools, including torque screwdriver, beam-type torque wrench, and ratchet wrench with adjustable torque settings. Where manufacturer's torquing requirements are not available, tighten connectors and terminals to comply with torquing values contained in UL's 486A. g. Fasten identification markers to each electrical power supply wire/ cable conductor which indicates their voltage, phase and feeder number in accordance with section "Electrical Identification." Affix markers on each terminal conductor as close as possible to the point of connection EQUIPMENT WIRING Page 2 of2

71 16220 SECURITY SYSTEMS PART 1-GENERAL a. General: Section includes intrusion detection with communication links to perform monitoring, alarm, and control functions. Any manufacturer and model named shall imply "or equivalent". b. Definitions: 1. Control Unit: System component that monitors inputs and control outputs through various circuits. 2. Master Control Unit: System component that accepts inputs from other control units and may also perform control-unit functions. The unit has limited capacity for the number of protected zones and is installed at unattended location or at a location where it is not the attendant's primary function to monitor the security system. 3. Monitoring Station: Facility that receives signals and has personnel in attendance at all times to respond to signals. A central station is a monitoring station that is listed. 4. Standard Intruder Movement: Any movement, such as walking, running, crawling, rolling, or jumping in protected zone. c. Action Submittals: 1. Product Data: For each type of product indicated. 2. Shop Drawings: Raceway Riser Diagrams: Detail raceway runs required for intrusion detection. Include designation of devices connected by raceway, raceway type and size, and type and size of wire and cable fill for each raceway run. 3. UPS I Battery Back-up Systems: Sizing Calculations. 4. Site and Floor Plans: Indicate final outlet and device locations, routing of raceways, and cables inside and outside of the building. Include room layout for master control units, slave control units, terminal cabinets, racks, UPS's, and batteries. 5. Device Address List. 6. Details: Details of surge-protection devices and their installations. 7. Sensor Detector: Sensor detector patterns and adjustment ranges. 8. Equipment and System Operation Description: Include method of operation and supervision of each component and each type of circuit. Show sequence of operations for manually and automatically initiated system or equipment inputs. Description must cover this specific project, manufacturer's standard descriptions for generic systems are unacceptable SECURITY SYSTEMS Page 1 of 11

72 d. Informational Submittals: 1. Field quality-control reports. 2. Warranty: Sample of warranty. e. Closeout Submittals: Operational and maintenance data. f. Maintenance Material Submittals: Furnish extra materials that match products installed that are packaged with protective covering for storage and identified with labels describing contents. 1. Intrusion Detection Devices: One of each type installed. 2. Fuses: Three of each kind and size installed. 3. Tool Kit: Provide two sets of tools for use with security fasteners, each packaged in a compartmented kit configured for easy handling and storage. 4. Security Fasteners: Furnish one box of each type and size of security fastener installed. g. Quality Assurance: 1. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, by a qualified testing agency, and marked for intended location and application. 2. Control Units, Devices, and Communications with Monitoring Station: Listed and labeled by a qualified testing agency for compliance with SIA CP Comply with NFPA 70. h. Project Conditions: Environmental Conditions: Capable of withstanding the following environmental conditions without mechanical or electrical damage or degradation of operating capability. 1. Altitude: Sea Level to 2000ft. 2. Interior, Uncontrolled Environment: System components installed in non-temperature controlled interior environments shall be rated for continuous operation in ambient temperature up to 120 F and 90% relative humidity, noncondensing. 3. Exterior Environment: System components installed in locations exposed to weather shall be rated for continuous operation in ambient temperatures of minus 20 to plus 120 F.dry bulb and 20 to 90% relative humidity, noncondensing. Comply with UL 294 and UL 639 for outdoor use equipment. Rate for continuous use when exposed to rain as specified in NEMA 250, winds up to 85 mph, and snow cover up to 3 6 inches thick SECURITY SYSTEMS Page 2 of 11

73 PART 2- COMPONENTS a. Functional Description of System: 1. Description: Hardwired, modular, microprocessor-based controls, intrusion sensors, and detection devices, and communication links to perform monitoring, alarm, and control functions. 2. Supervision: System components shall be continuously monitored for normal, alarm, supervisory, and trouble conditions. Indicate deviations from normal conditions at any location in system. Indication includes identification of device or circuit in which deviation has occurred and whether deviation is an alarm or malfunction. 3. Alarm Signal: Display at Master Control Unit and actuate audible and visual alarm devices. Alarm signal shall be transmitted to the SCADA system for dispatch to operators. 4. Trouble Condition Signal: Distinct from other signals, indicating that system is not fully functional. Trouble signal shall indicate system problems such as UPS failure, battery failure, device failure, open or shorted conductors, or control unit failure. 5. Supervisory Condition Signal: Distinct from other signals, indicating an abnormal condition as specified for the particular device or control unit. 6. System Control: Master Control Unit shall directly monitor intrusion detection units and connecting wiring. 7. Automatic Reboot Program: System shall automatically reboot program without error or loss of status or alarm data after any system disturbance. 8. Operator Commands: a. Help with System Operation: Display all commands available to operator. Help command, followed by specific command shall produce a short explanation of the purpose, use, and system reaction to the command. b. Acknowledge Alarm: To indicate that alarm message has been observed by operator. c. Place Protected Zone in Access: Disable all intrusion-alarm circuits of a specific protected zone. Tamper circuits may not be disabled by operator. d. Place Protected Zone in Secure: Activate all intrusion alarm circuits of a protected zone. e. Protected Zone Test: Initiate operational test of a specific protected zone. f. System Test: Initiate system-wide operational test. 9. Response Time: Two seconds between actuation of any alarm and its indication at master control unit SECURITY SYSTEMS Page 3 of ll

74 10, Circuit Supervision: Supervise all signal and data transmission lines, links with other systems, and sensors from master control unit. Indicate circuit and detection device faults with both protected zone and trouble signals, sound a distinctive audible tone, and illuminate an LED light. Maximum permissible elapsed time between occurrence of a trouble condition and indication at master control unit is 20 seconds. Initiate an alarm in response to opening, closing, shorting, or grounding of a signal or data transmission line. 11. Manual Secure-Access Control: Coded entries at manual stations shall change status of associated protected zone between secure and access conditions. 12. Upon entry, the operator shall input a four digit code to inactivate system. Upon exit the operator shall input a four digit code to activate system. The operator shall have one minute to type in code to activate/deactivate system, the alarm will then sound. After 45 seconds the SCADA System/Dialer will activate alarm. Times may be adjusted by operator. At anytime security code will deactivate alarm. b. System Component Requirements: 1. Surge Protection: Protect components from voltage surges originating external to equipment housing and entering through power, communication, signal, control, or sensing leads. Include surge protection for external wiring of each conductor entry connection to components. 2. Minimum Protection for Communication, Signal, Control, and Low-Voltage Power Lines: Listed and labeled by a qualified testing agency for compliance with NFPA Intrusion Detection Units: Listed and labeled by a qualified testing agency for compliance with UL Interference Protection: Components shall be unaffected by radiated RFI and electrical induction of 15V /mover a frequency range of 10 to 10,000 MHz and conducted interference signals up to V rms injected into power supply lines at 10 to 10,000 MHz. 5. Tamper Protection: Tamper switches on detection devices, control units, annunciators, pull boxes, junction boxes, cabinets, and other system components shall initiate a tamper-alarm signal when unit is opened or partially disassembled and when entering conductors are cut or disconnected. Master control unit alarm display shall identify tamper alarms and indicate locations. 6. Self-Testing Devices: Automatically test themselves periodically, but not less than once per hour, to verify normal device functioning and alarm initiation capability. Devices transmit test failure to master control unit. 7. Addressable Devices: Transmitter and receivers shall communicate unique device identification and status reports to master control unit. 8. Remote-Controlled Devices: Individually and remotely adjustable for sensitivity and individually monitored at master control unit for calibration, sensitivity, and alarm condition SECURITY SYSTEMS Page 4 of 11

75 c. Enclosures: 1. Interior Sensors: Enclosures that protect against dust, falling dirt, and dripping noncorrosive liquids. 2. Interior Electronics: NEMA 250, Type Exterior Electronics: NEMA 250, Type 4X, stainless steel. 4. Corrosion Resistant: NEMA 250, Type 4X, stainless steel. 5. Screw Covers: Where enclosures are readily accessible, secure with security fasteners or type appropriate for enclosure. d. Secure and Access Devices: 1. Manufacturers: Subject to compliance with requirements, provide products by one of the following: a. Bosch Security Systems, Inc. b. Digital Security Controls Ltd.; a business unit oftyco Safety Products. c. Edwards Signaling and Security Systems; part of GE Security. d. Honeywell International Inc.; Honeywell Security. 2. Keypad and Display Module: Arranged for entering and executing commands for system-status changes and for displaying system-status and command-related data. e. Door and Window Switches: 1. Manufacturers: Subject to compliance with requirements, provide products by one of the following: a. General Electric Company, GE Security. b. Honeywell International Inc.; Honeywell Security c. Potter Electric Signal, LLC. 2. Description: Balanced-magnetic switch, complying with UL 634, installed on frame with integral overcurrent device to limit current to 80 percent of switch capacity. Bias magent and minimum of two encapsulated reed switches shall resist compromise from introduction of foreign magnetic fields. a. Flush Mounted Switches: Unobtrusive and flush with surface of door and window frame. b. Overhead Door Switch: Balanced-magnetic type, listed for outdoor locations, and having door-mounted magnet and floor-mounted switch unit SECURITY SYSTEMS Page 5 of II

76 f. PIR Sensors: 1. Manufacturers: Subject to compliance with requirements, provide products by one of the following: a. Bosch Security Systems, Inc. b. Digital Security Controls Ltd.; a business unit oftyco Safety Products. c. General Electric Company; GE Security, Inc. d. Honeywell International Inc.; Honeywell Security 2. Listed and Labeled: Listed and labeled by a qualified testing agency for compliance with SIA PIR Description: Sensors detect intrusion by monitoring infrared wavelengths emitted from a human body within their protected zone and by being insensitive to general thermal variations. a. Wall-Mounted Unit Maximum Detection Range: 125 percent of indicated distance for individual units and not less than 50 feet. b. Ceiling-Mounted Unit Spot-Detection Pattern: Full360-degree conical. c. Ceiling-Mounted Unit Patter Size: 84-inch diameter at floor level for units mounted at 96-inches above floor and 18-feet diameter at floor level for units mounted 25-feet above floor. 4. Device Performance: a. Sensitivity: Adjustable pattern coverage to detect a change in temperature of2-degrees F or less, and standard intruder movement within sensor's detection patterns at any speed between 0.3 to 7.5 fps across two adjacent segments of detectors field of view. b. Test Indicator: LED test indicator that is not visible during normal operation. When visible, indicator shall light when sensor detects an intruder. Locate test enabling switch under sensor housing. g. Piezoelectric-Type, Glass-Break Sensors: 1. Manufacturers: Subject to compliance with requirements, provide products by one of the following: a. General Electric Company; GE Security, Inc. b. Honeywell International; Honeywell Security. c. Potter Electric Signal, LLC. 2. Listed and Labeled: Listed and labeled by a qualified testing agency for compliance with SIA GB SECURITY SYSTEMS Page 6 of 11

77 3. Device Performance: Detect unique, high frequency vibrations caused by breaking glass. h. Master Control Unit: a. Sensor Element: Piezoelectric crystals in a housing designed to mount directly to glass surface with adhesive provided by element manufacturer. Circular detection pattern, with at least a 60-inch radius on a continuous pane of glass. Sensor element shall not be larger than 4-square inches. b. Hookup Cable: Factory installed, not less than 72-inches. c. Activation Indicator: LED on sensor housing that lights when responding to vibrations, remaining on until manually reset at sensor control unit or master control unit. d. Control Unit: Integral with sensor housing or in a separate assembly, locally adjustable by control under housing cover. e. Glass-Break Simulator: A device to induce frequencies into protected glass pane that simulate breaking glass without causing damage to glass. 1. Manufacturers: Subject to compliance with requirements, provide products by one of the following: a. Bosch Security Systems, Inc. b. Digital Security Controls, Inc.; a business unit oftyco Safety Products. c. General Electric Company; GE Security, Inc. d. Honeywell International Inc.; Honeywell Security 2. Description: Supervise sensors and detection subsystems and their connecting communication links, status control (secure or access) or sensors and detector subsystems, activation of alarms and supervisory and trouble signals, and other indicated functions. a. System software and programs shall be held in flash electrically erasable programmable read-only memory (EEPROM), retaining the information through failure of primary and secondary power supplies. b. Include a real-time clock for time annotation of events on the event recorder and printer. c. Addressable initiation devices that communicate device identity and status. d. Control circuits for operation of mechanical equipment in response to an alarm. 3. Construction: Wall-mounted or freestanding equipment rack, modular, with independent alarm and supervisory system modules. Arrangements that require removal of field wiring for module replacement are not acceptable. 4. UL 609: Comply with UL SECURITY SYSTEMS Page 7 of 11

78 5. Console Controls and Displays: Arranged for interface between human operator, at master control unit and addressable system components including annunciation and supervision. Display alarm, supervisory, and component status messages and the programming and control menu. a. Annunciator and Display: LCD, two lines of32 characters, minimum. b. Keypad: Arranged to permit entry and execution of programming, display, and control commands. c. Control Unit Network: Automatic communication of alarm, status changes, commands, and other communications required for system operation. Communication shall return to normal after partial or total network interruption such as power loss or transient event. Total or partial signaling network failures shall identify the failure and record the failure at the annunciator display. d. Field Device Network: Communicate between the control unit and field devices of the system. Communications shall consist of alarm, network status, and status and control of field-mounted processors. Each field-mounted device shall be interrogated during each interrogation cycle. e. Operator Controls: Prevent resetting of alarm, supervisory, or trouble signals while alarm or trouble condition persists. Include the following: 1. Acknowledge Alarm 2. Silence Alarm 3. System Reset 4. LED Test f. Timing Unit: Solid state, programmable, 365 days. g. Confirmation: Relays, contactors, and other control devices shall have auxiliary contacts that provide confirmation signals of on/off status to the system. Software shall interpret such signals, display equipment status, and initiate failure signals. h. Alarm Indication: Audible signal sounds and an LED lights at master control unit identifying the protected zone I alarm condition from where the alarm is originating from. The alarm shall appear on LCD display at master control unit and annunciator panel if applicable. i. Alarm Activation: Alarm activation shall activate a horn. j. Transmission to Monitoring Station: Alarm, Trouble, and Supervisory alarms shall signal the local SCAD A system for dispatch of alarm to operators. 6. Protected Zones: Quantity of alarm and supervisory zones as indicated with capacity for expanding number of protected zones by 25 percent SECURITY SYSTEMS Page 8 of 11

79 7. Power Supply Circuits: Master Control Units shall provide power for remote power-consuming detection devices. Circuit capacity shall be adequate for at least a 25 percent increase in load. 8. Primary Power: 24-VDC Obtained from 120-VAC circuit and a power supply module. Alarm current draw of entire system shall not exceed 80 percent ofthe power supply module rating. 9. Secondary Power: 24-VDC supply system with batteries, automatic battery charger, and automatic transfer switch. Batteries: Sealed, valve-regulated, recombinant lead acid. 10. Cabinet: Lockable, steel enclosure arranged so operations required for testing, normal operation, and maintenance are performed from front of enclosure. If more than a single cabinet is required for form a complete control unit, provide exactly matching modular enclosures. Accommodate all components and allow ample gutter space for field wiring. Identify each enclosure by an engraved, laminate, phenolic-resin nameplate. Lettering on enclosure nameplate shall not be less than l-inch high. Identify, with permanent labels, individual components and modules within cabinets. i. Audible and Visual Alarm Devices: 1. Manufacturers: Subject to compliance with requirements, provide products by one of the following: a. Edwards Signaling & Security Systems; part of the GE Security b. Honeywell International Inc. ; Honeywell Security c. Potter Electric Signal, LLC 2. Siren: 30-W speaker with siren driver, rated to produce a minimum sound output of 103 db at 10 feet from master control unit. 3. Strobe: Xenon light complying with UL 1638, with a clear polycarbonate lens. a. Light Output as indicated on drawings. If not specified on drawings, provide light output to adequately cover area where alarm is be annunciated. b. Flash rate: 60 per second. j. Security Fasteners: Operable only by tools produced for its use on specific type of fastener by fastener manufacturer or other licensed fabricator. Drive system type, head style, material, and protective coating as required for assembly, installation, and strength. PART 3- INSTALLATION a. General: Contractor shall supply and install all components to make a complete and operable system. b. UL 681 and NFPA 731: Comply with UL 681 and NFPA SECURITY SYSTEMS Page 9 ofll

80 c. Equipment Mounting: Install Master Control Unit on finished floor with tops of cabinets not more than 72-inches above the finished floor. d. Wiring Method: Install wiring in metal raceways according to "Raceway and Boxes for Electrical Systems Specifications" and as indicated on Construction Drawings. Minimum conduit size shall be 3/4-inch. Control and data transmission wiring shall not share conduit with other building wiring systems. e. Wiring within Enclosures: Bundle, lace, and train conductors to terminal points. Use lacing bars and distribution spools. Separate power-limited and non-power-limited conductors as recommended in wiring by manufacturer. Install conductors parallel with or at right angles to sides and back of enclosure associated with intrusion system to terminal blocks. Mark each terminal according to each system's wiring diagrams. Make all connections with approved crimp-on terminal spade lugs, pressure-type terminal blocks. f. Wires and Cables: 1. Conductors: Size as recommended in writing by system manufacturer unless otherwise indicated V AC Power Wiring: Install according to "Low Voltage Electrical Power Conductors and Cables" and as indicated on Construction Drawings unless otherwise indicated. 3. Control and Signal Transmission Conductors: Install unshielded, twisted-pair cable unless otherwise indicated or if manufacturer recommends shielded cable, according to "Conductors and Cables for Electronic Safety and Security". g. Splices, Taps, and Terminations: Make connections only on numbered terminal strips injunction, pull, and outlet boxes, terminal cabinets, and equipment enclosures. h. Install: Install power supplies and other auxiliary components for detection devices at control units unless otherwise indicated or required by manufacturer. Do not install such items near the devices they serve. i. Identify: Identify components with engraved, laminated-plastic or metal nameplate for master control unit and each terminal cabinet, mounted with corrosion-resistant screws. Nameplates and label products are specified in "Identification for Electrical Systems". j. Install instructions frame in a location visible from master control unit. k. Grounding: 1. Ground the master control unit and associated circuits; comply with IEEE II 00. Install a ground wire from main service ground to master control unit. 2. Ground system components and conductor and cable shields to eliminate shock hazard and to minimize ground loops, common-mode returns, noisy pickup, cross talk, and other impairments. 3. Signal Ground Terminal: Locate at main equipment rack or cabinet. Isolate from power system and equipment grounding. Provide 5 ohm ground. Measure, record, and report ground resistance. 4. Install grounding electrodes of type, size, location, and quantity indicated SECURITY SYSTEMS Page 10 of 11

81 I. Field Quality Control: 1. Pretesting: After installation, align, adjust, and balance system and perform complete pretesting to determine compliance of system with compliance of system with requirements. Replace malfunctioning or damaged items with new ones and re-test until satisfactory performance and conditions are achieved. Prepare forms for systematic recording of acceptance test results. 2. Tests and Inspections: Comply with provisions in NFPA 731, Ch. 9 "Testing and Inspections". a. Inspection: Verify that units and controls are properly labeled and interconnecting wires and terminals are identified. b. Intrusion detection systems and other systems shall be tested according to Table "Test Methods" and "Test Methods of Initiating Devices". m. Training: Training shall be provided for operator(s) to fully explain how to adjust, operate, and maintain the security system. Comply with documentation provisions in NFPA 731, Ch. 4 "Documentation and User Training." n. Trips: One trip for 8 hours start-up shall be required, minimum. PART 4- WARRANTY One year warranty for parts and labor shall be supplied from date of substantial completion I acceptance by Owner SECURITY SYSTEMS Page II of II

82

83 16231 PACKAGED ENGINE GENERATORS PART 1 - GENERAL 1. SUMMARY This Section includes packaged engine-generator sets for standby power supply with the following features: 1. Diesel engine. 2. Unit-mounted cooling system. 3. Unit-mounted control and monitoring. 4. Outdoor enclosure. 5. The power system shall be integrated with the District's SCADA system. 6. Two required. a. Wastewater Treatment Facility 175 kw, 480/277 V, 60Hz, 3 Phase b. South Pump Station 40 kw, 480/277 V, 60 Hz, 3 Phase 2. ACTION SUBMITTALS a. Product Data: For each type of packaged engine generator and accessory indicated. b. Shop Drawings: Detail equipment assemblies and indicate dimensions, weights, loads, required clearances, method of field assembly, components, and location and size of each field connection. 3. INFORMATIONAL SUBMITTALS a. Source quality-control test reports. b. Field quality-control test reports. c. Warranty: Special warranty specified in this Section. 4. CLOSEOUT SUBMITTALS Operation and maintenance data. 5. QUALITY ASSURANCE a. Installer Qualifications: Manufacturer's authorized representative who is trained and approved for installation of units required for this Project. b. Manufacturer Qualifications: A qualified manufacturer. Maintain, within 200 miles of Project site, a service center capable of providing training, parts, and emergency maintenance repairs PACKAGED ENGINE GENERATORS Pagel o 12

84 c. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, Article 100, by a testing agency acceptable to authorities having jurisdiction, and marked for intended use. 1. Comply with ASME B Comply with NFPA Comply with NFPA Comply with NFPA 110 requirements for Level 1 emergency power supply system. 5. Comply with UL Engine Exhaust Emissions: Comply with applicable state and local government requirements. 6. PROJECT CONDITIONS Environmental Conditions: Engine-generator system shall withstand the following environmental conditions without mechanical or electrical damage or degradation of performance capability: 1. Ambient Temperature: Minus 20 to plus 50 deg C (Minus 4 F to plus 122 F). 2. Altitude: Sea level to 1000 feet. 7. WARRANTY Special Warranty: Manufacturer's standard form in which manufacturer agrees to repair or replace components of packaged engine generators and associated auxiliary components that fail in materials or workmanship within specified warranty period. Warranty Period: Two years from date of Substantial Completion. PART 2-PRODUCTS 1. MANUFACTURERS Manufacturers: Subject to compliance with requirements, provide products by one of the following or equivalent: 1. Caterpillar; Engine Div. 2. Generac Power Systems, Inc. 3. Kohler Co.; Generator Division. 4. Onan/Cummins Power Generation; Industrial Business Group. 5. MTU Onsite Energy 6. Generac 2. ENGINE-GENERATORSET a. General: Factory-assembled and -tested, engine-generator set. b. Mounting Frame: Maintain alignment of mounted components without depending on concrete foundation; and have lifting attachments PACKAGED ENGINE GENERATORS Page 2 of12

85 c. Capacities and Characteristics: 1. Power Output Ratings: Nominal ratings as indicated, with capacity as required to operate as a unit as evidenced by records of prototype testing. 2. Output Connections: Three-phase, four wire. 3. Nameplates: For each major system component to identify manufacturer's name and address, and model and serial number of component. 4. Stand-by Rated. d. Generator-Set Performance: 1. Steady-State Voltage Operational Bandwidth: 3 percent of rated output voltage from no load to full load. 2. Transient Voltage Performance: Not more than 20 percent variation for 50 percent stepload increase or decrease. Voltage shall recover and remain within the steady-state operating band within three seconds. 3. Steady-State Frequency Operational Bandwidth: 0.5 percent of rated frequency from no load to full load. 4. Steady-State Frequency Stability: When system is operating at any constant load within the rated load, there shall be no random speed variations outside the steady-state operational band and no hunting or surging of speed. 5. Transient Frequency Performance: Less than 5 percent variation for 50 percent step-load increase or decrease. Frequency shall recover and remain within the steady-state operating band within five seconds. 6. Output Waveform: At no load, harmonic content measured line to line or line to neutral shall not exceed 5 percent total and 3 percent for single harmonics. Telephone influence factor, determined according to NEMA MG 1, shall not exceed 50 percent. 7. Sustained Short-Circuit Current: For a 3-phase, bolted short circuit at system output terminals, system shall supply a minimum of 300 percent of rated full-load current for not less than 10 seconds and then clear the fault automatically, without damage to generator system components. 3. ENGINE ~. Fuel: Fuel oil, Grade DF-2. b. Rated Engine Speed: 1800 rpm. c. Maximum Piston Speed for Four-Cycle Engines: 2250 fpm PACKAGED ENGINE GENERATORS Page3 of12

86 d. Lubrication System: The following items are mounted on engine or skid: 1. Filter and Strainer: As recommended by the engine manufacturer. 2. Thermostatic Control Valve: Control flow in system to maintain optimum oil temperature. Unit shall be capable of full flow and is designed to be fail-safe. 3. Crankcase Drain: Arranged for complete gravity drainage to an easily removable container with no disassembly and without use of pumps, siphons, special tools, or appliances. e. Engine Fuel System: 1. Main Fuel Pump: Mounted on engine. Pump ensures adequate primary fuel flow under starting and load conditions. 2. Relief-Bypass Valve: Automatically regulates pressure in fuel line and returns excess fuel to source. f. Coolant Jacket Heater: Electric-immersion type, factory installed in coolant jacket system. Comply with NFPA 110 requirements for Levell equipment for heater capacity. g. Governor: Adjustable isochronous, with speed sensing. h. Cooling System: Closed loop, liquid cooled, with radiator factory mounted on engine-generator-set mounting frame and integral engine-driven coolant pump. 1. Coolant: Solution of 50 percent ethylene-glycol-based antifreeze and 50 percent water, with anticorrosion additives as recommended by engine manufacturer. 2. Temperature Control: Self-contained, thermostatic-control valve modulates coolant flow automatically to maintain optimum constant coolant temperature as recommended by engine manufacturer. i. Muffler/Silencer: Industrial type, sized as recommended by engine manufacturer and selected with exhaust piping system to not exceed engine manufacturer's engine backpressure requirements. j. Air-Intake Filter: Heavy-duty, engine-mounted air cleaner with replaceable dry-filter element and "blocked filter" indicator. k. Starting System: 12 or 24-V electric, with negative ground. 1. Components: Sized so they will not be damaged during a full engine-cranking cycle with ambient temperature at maximum specified in Part 1 "Project Conditions" Article. 2. Cranldng Motor: Heavy-duty unit that automatically engages and releases from engine flywheel without binding. 3. Cranldng Cycle: Three cycles of 45 seconds crank and 15 seconds rest each cycle PACKAGED ENGINE GENERATORS Page4 of12

87 Johnson County PWSD No.3 Wastewater Collection and Treatment Facility Improvements 4. Battery: Adequate capacity within ambient temperature range specified in Part 1 "Project Conditions" Article to provide specified cranking cycle at least twice without recharging. 5. Battery-Charging Alternator: Factory mounted on engine with solid-state voltage regulation and 35-A minimum continuous rating. Battery Charger: Current-limiting, automatic-equalizing and float-charging type. Unit shall comply with UL Charger shall be rated for a minimum of loa. 4. FUEL OIL STORAGE a. Comply with NFPA 30. b. Base-Mounted Fuel Oil Tank: Factory installed and piped, complying with UL 142 fuel oil tank. Features include the following: 1. Tank design provides capacity for thermal expansion of fuel. 2. Direct reading fuel level gauge. 3. Fuel supply dip tube is positioned so as not to pick up fuel sediment. 4. Fuel return and supply dip tubes are separated by an internal baffle to prevent recirculation of heated return fuel. 5. Fuel Fill, 2" with lockable flip top cap 6. Low level and rupture alarms wired to generator control panel. 7. Primary tank level detection switch in containment basin. 8. Primary and secondary tanks are leak tested at 3psi minimum. 9. Welded steel containment basin (minimum of 110% of primary tank capacity). 10. Interior tank surfaces coated with a solvent-based thin-film rust preventative. 11. Heavy gauge steel gussets suitable for lifting package. 12. Gloss black polyester alkyd acrylic enamel exterior paint over epoxy based primer. 13. Rear, left, or right side stub-up access. Coordinate location with bidding contractors. 14. Emergency vents on primary and secondary tanks sized in accordance with NFPA Tank shall be compatible with generator set weatherproof enclosure. 16. Tank shall mount below the generator set wide base PACKAGED ENGINE GENERA TORS Page 5 o 12

88 17. Tank shall be provided with low fuel level switch (alarm and shutdown). 18. Capacity: Amount of fuel required for 24 hours' continuous operation at 100 percent rated power output. 5. CONTROL AND MONITORING a. Automatic Starting System Sequence of Operation: When mode-selector switch on the control and monitoring panel is in the automatic position, remote-control contacts in one or more separate automatic transfer switches initiate starting and stopping of generator set. When mode-selector switch is switched to the manual position and run/stop button is pressed, generator set starts or stops. The off position of same switch initiates generator-set shutdown. When generator set is running, specified system or equipment failures or derangements automatically shut down generator set and initiate alarms. b. Configuration: Operating and safety indications, protective devices, basic system controls, and engine gages shall be grouped in a common control and monitoring panel mounted on the generator set. Mounting method shall isolate the control panel from generator-set vibration. c. Indicating and Protective Devices and Controls: As required by NFP A 110 for Level 1 system, and the following: 1. AC voltmeter. 2. AC ammeter. 3. AC frequency meter. 4. DC voltmeter (alternator battery charging). 5. Engine-coolant temperature gage. 6. Engine lubricating-oil pressure gage. 7. Running-time meter. 8. Ammeter-voltmeter, phase-selector switch(es). 9. Generator-voltage adjusting rheostat. 10. Generator overload. d. Supporting Items: Include sensors, transducers, terminals, relays, and other devices and include wiring required to support specified items. Locate sensors and other supporting items on engine or generator, unless otherwise indicated. e. Common Remote Audible Alarm: Comply with NFPA 110 requirements for Level 1 systems. Include necessary contacts and terminals in control and monitoring panel. 1. Emergency stop shutdown. 2. Overcrank shutdown. 3. Low coolant temperature warning. 4. High coolant temperature warning I shutdown. 5. Low oil pressure warning I shutdown. 6. Overspeed warning I shutdown. 7. Low coolant level warning I shutdown. 8. Low fuel level warning I shutdown. 9. BPS supplying load status. 10. Control switch not in auto warning PACKAGED ENGINE GENERA TORS Page6 o 12

89 11. High battery voltage warning I shutdown. 12. Low battery voltage warning I shutdown. 13. Battery charger AC failure warning I shutdown. 14. Low cranking voltage 15. Engine running f. Remote Alarm Annunciator: Comply with NFPA 99. An LED labeled with proper alarm conditions shall identify each alarm event and a common audible signal shall sound for each alarm condition. Silencing switch in face of panel shall silence signal without altering visual indication. Connect so that after an alarm is silenced, clearing of initiating condition will reactivate alarm until silencing switch is reset. Cabinet and faceplate are surface- or flush-mounting type to suit mounting conditions indicated. g. Control Panel and Modbus RS485: Provide control panel with Modbus RS485 Serial compatibility for communication to the SCADA system. Coordinate exact requirements with System Integrator. 6. GENERATOR OVERCURRENT AND FAULT PROTECTION Generator Circuit Breaker: Molded-case, thermal-magnetic type; 80 percent rated; complying with NEMA AB 1 and UL Tripping Characteristic: Designed specifically for generator protection. 2. Trip Rating: Matched to generator rating. 3. Shunt Trip: Connected to trip breaker when generator set is shut down by other protective devices. 4. Mounting: Adjacent to or integrated with control and monitoring panel. 7. GENERATOR, EXCITER, AND VOLTAGE REGULATOR a. NEMA MG 1: Comply with NEMA MG 1. b. Drive: Generator shaft shall be directly connected to engine shaft. Exciter shall be rotated integrally with generator rotor. Provide with permanent magnet excitation. c. Electrical Insulation: Class H (1 05deg C temperature rise at full load and 40 deg C ambient). d. Stator-Winding Leads: Brought out to terminal box to permit future reconnection for other voltages if required. c. Construction: Construction shall prevent mechanical, electrical, and thermal damage due to vibration, overspeed up to 125 percent of rating, and heat during operation at 110 percent of rated capacity. d. Enclosure: Dripproof. e. Instrument Transformers: Mounted within generator enclosure PACKAGED ENGINE GENERATORS Page 7 of12

90 f. Voltage Regulator: Solid-state type, separate from exciter, providing performance as specified. Adjusting rheostat on control and monitoring panel shall provide plus or minus 5 percent adjustment of output-voltage operating band. g. Strip Heater: Thermostatically controlled unit arranged to maintain stator windings above dew point. 1. Windings: Two-thirds pitch stator winding and fully linked amortisseur winding. 2. Subtransient Reactance: 12 percent, maximum. 8. OUTDOOR GENERATOR-SET ENCLOSURE Description: Vandal-resistant, weatherproof steel housing, wind resistant up to 150 mph. Multiple panels shall be lockable and provide adequate access to components requiring maintenance. Panels shall be removable by one person without tools. Instruments and control shall be mounted within enclosure. 1. Enclosure shall be approved for use with UL 2200 listed generator set packages. 2. Enclosure shall be provided with environmentally friendly, polyester powder baked paint. 3. Enclosure shall be provided with stainless steel fasteners 4. Enclosure shall be provided with factory installed exhaust silencer mounted inside the enclosure. 5. Enclosure shall be 14 gauge steel. 6. Enclosure shall be provided with cable entry area for installation. 7. Enclosure shall accommodate output circuit breaker installation. 8. Enclosure shall be provided with double doors on both sides. Doors shall be vertically hinged doors allowing 180 degree opening rotation. 9. Lube oil and coolant drain pipes shall be routed to exterior of enclosure and shall be terminated with drain valves. 10. Provide with radiator fill cover. 11. Enclosure shall be provided with lockable access doors with standard key utilization. 12. Cooling fan and battery charging alternator shall be fully guarded. 13. Fuel fill, oil fill, coolant, and battery can only be reached via lockable access. 14. Provide with externally mounted emergency stop button. 15. Enclosure shall be designed for spreader bar lifting to ensure safety PACKAGED ENGINE GENERATORS PageS of12

91 16. Enclosure shall be provided with control panel viewing window. 17. Radiator discharge shall be vertical. 18. Enclosure shall provide an average maximum sound level of 23ft measured at 8 locations around the generator enclosure. b. Interior Lights with Switch: Factory-wired, vaporproof-type fixtures within housing; arranged to illuminate controls and accessible interior. Arrange for external electrical connection. 9. VIBRATION ISOLATION DEVICES Vibration Isolators: Provide vibration isolators as recommended by equipment manufacturer. 10. FINISHES Indoor and Outdoor Enclosures and Components: Manufacturer's standard finish over corrosionresistant pretreatment and compatible primer. SOURCE QUALITY CONTROL a. Prototype Testing: Factory test engine-generator set using same engine model, constructed of identical or equivalent components and equipped with identical or equivalent accessories. 1. Tests: Comply with NFPA 110, Levell Energy Converters and with IEEE Report factory test results within 10 days of completion of test. 3. To ensure that the equipment has been designed and built to the highest reliability and quality standards, the manufacturer and/or local representative shall be responsible for three separate tests: design prototype tests, final production tests, and site tests. b. Design Prototype Tests: Components of the emergency system, such as the engine/generator set, transfer switch, and accessories, shall not be subjected to prototype tests because the tests are potentially damaging. Rather, similar design prototypes and preproduction models shall be subject to the following tests. 1. Maximum power (kw). 2. Maximum motor starting (kva) at 35% instantaneous voltage dip. 3. Alternator temperature rise by embedded thermocouple and/or by resistance method per NEMA MG Governor speed regulation under steady-state and transient conditions. 5. Voltage regulation and generator transient response. 6. Harmonic analysis, voltage waveform deviation, and telephone influence factor. 7. Three-phase short circuit tests PACKAGED ENGINE GENERA TORS Page9 of12

92 8. Alternator cooling air flow. 9. Torsional analysis to verify that the generator set is free of harmful torsional stresses. 10. Endurance testing. c. Final Production Tests: Each generator set shall be tested under varying loads with guards and exhaust system in place. Tests shall include: 1. Single-step load pickup 2. Safety shutdown device testing 3. Rated 0.8 PF 4. Maximum power 5. Upon request, a certified test record sent prior to shipment. d. Site Tests: The manufacturer's distribution representative shall perform an installation check, startup, 4 hour full output capacity load bank test and 30 minute building load test. The engineer, regular operators, and the maintenance staff shall be notified of the time and date of the site test. The tests shall include: 1. Fuel, lubricating oil, and antifreeze shall be checked for conformity to the manufacturer's recommendations, under the environmental conditions present and expected. 2. Accessories that normally function while the set is standing by shall be checked prior to cranking the engine. These shall include: block heaters, battery chargers, alternator strip heaters, remote annunciators, etc. 3. Generator set startup under test mode to check for exhaust leaks, path of exhaust gases outside the building, cooling air flow, movement during starting and stopping, vibration during operation, normal and emergency line-to-line voltage and frequency, and phase rotation. 4. Automatic start by means of a simulated power outage to test remote-automatic starting, transfer of the load, and automatic shutdown. Prior to this test, all transfer switch timers shall be adjusted for proper system coordination. Engine coolant temperature, oil pressure, and battery charge level along with generator set voltage, amperes, and frequency shall be monitored throughout the test. PART 3 - EXECUTION 1. INSTALLATION a. Comply with packaged engine-generator manufacturers' written installation and alignment instructions and with NFPA 110. b. Install packaged engine generator to provide access, without removing connections or accessories, for periodic maintenance PACKAGED ENGINE GENERATORS Page 10of12

93 c. Install packaged engine generator with restrained spring isolators having a minimum deflection of 1 inch on 4-inch- high concrete base. Secure sets to anchor bolts installed in concrete bases. Concrete base construction is specified in Section "Vibration and Seismic Controls for Electrical Systems." d. Electrical Wiring: Install electrical devices furnished by equipment manufacturers but not specified to be factory mounted. e. Connect fuel, cooling-system, and exhaust-system piping adjacent to packaged engine generator to allow service and maintenance. f. Connect engine exhaust pipe to engine with flexible connector. g. Connect fuel piping to engines with a isolation valve and union and flexible connector. h. Ground equipment according to Section "Grounding and Bonding." i. Connect wiring according to Section "Conductors and Cables." j. Identify system components according to Section "Identification for HV AC Piping and Equipment" and Section "Electrical Identification." 2. FIELD QUALITY CONTROL a. General: Perform tests and inspections and prepare test reports. Manufacturer's Field Service: Engage a factory-authorized service representative to inspect components, assemblies, and equipment installations, including connections, and to assist in testing. b. Tests and Inspections: 1. System Integrity Tests: Methodically verify proper installation, connection, and integrity of each element of engine-generator system before and during system operation. Check for air, exhaust, and fluid leaks. 2. Exhaust Emissions Test: Comply with applicable government test criteria. 3. Voltage and Frequency Transient Stability Tests: Use recording oscilloscope to measure voltage and frequency transients for 50 and 100 percent step-load increases and decreases, and verify that performance is as specified. 4. Harmonic-Content Tests: Measure harmonic content of output voltage under 25 percent and at 100 percent of rated linear load. Verify that harmonic content is within specified limits. c. Tests: Coordinate tests with tests for transfer switches and run them concurrently. d. Leak Test: After installation, charge system and test for leaks. Repair leaks and retest until no leaks exist PACKAGED ENGINE GENERATORS Page 11 o 12

94 e. Operational Test: After electrical circuitry has been energized, start units to confirm proper motor rotation and unit operation. f. Test and adjust controls and safeties. Replace damaged and malfunctioning controls and equipment. g. Remove and Replace: Remove and replace malfunctioning units and retest as specified above. h. Retest: Correct deficiencies identified by tests and observations and retest until specified requirements are met. i. Report results of tests and inspections in writing. Record adjustable relay settings and measured insulation resistances, time delays, and other values and observations. Attach a label or tag to each tested component indicating satisfactory completion of tests. 3. DEMONSTRATION Engage a factory-authorized service representative to train Owner's maintenance personnel to adjust, operate, and maintain packaged engine generators. Refer to Section "Demonstration and Training." PACKAGED ENGINE GENERA TORS Page 12 o 12

95 Johnson County PWSD No.3 Wastewater Collection Treatment Facility Improvements VARIABLE-FREQUENCY MOTOR CONTROLLERS PART 1- GENERAL 1. SUMMARY Section includes separately enclosed, pre-assembled, combination VFCs, rated 600 V and less, for speed control ofthree-phase, squirrel-cage induction motors. 2. DEFINITIONS a. CE: Conformite Europeene (European Compliance). b. CPT: Control power transformer. c. EMI: Electromagnetic interference. d. IGBT: Insulated-gate bipolar transistor. e. LAN: Local area network. f. LED: Light-emitting diode. g. MCP: Motor-circuit protector. h. NC: Normally closed. i. NO: Normally open. j. OCPD: Overcurrent protective device. k. PCC: Point of common coupling. I. PID: Control action, proportional plus integral plus derivative. m. PWM: Pulse-width modulated. n. RFI: Radio-frequency interference. p. TDD: Total demand (harmonic current) distortion. q. TIID(V): Total harmonic voltage demand. r. VFC: Variable-frequency motor controller VARIABLE-FREQUENCY MOTOR CONTROLLERS Page 1 o 14

96 Johnson County PWSD No. 3 Wastewater Collection Treatment Facility Improvements 3. PERFORMANCE REQUIREMENTS All units to be Clean Power minimum 6-pulse (six) type transformers with input line reactors for mitigation of harmonic distortion. Provide multiple cooling fans in transformer section for system redundancy, as well as transformer winding temperature switches. 18-pulse units would also be acceptable that meet IEEE ACTION SUBMITTALS a. Product Data: For each type and rating of VFC indicated. Include features, performance, electrical ratings, operating characteristics, shipping and operating weights, and furnished specialties and accessories. b. Shop Drawings: For each VFC indicated. Include dimensioned plans, elevations, and sections; and conduit entry locations and sizes, mounting arrangements, and details, including required clearances and service space around equipment. 1. Show tabulations of installed devices, equipment features, and ratings. Include the following: a. Each installed unit's type and details. b. Factory-installed devices. c. Enclosure types and details. d. Nameplate legends. e. Short-circuit current (withstand) rating of enclosed unit. f. Features, characteristics, ratings, and factory settings of each VFC and installed devices. g. Specified modifications. 2. Schematic and Connection Wiring Diagrams: For power, signal, and control wiring. 5. INFORMATIONAL SUBMITTALS a. Coordination Drawings: Floor plans, drawn to scale, showing dimensioned layout, required working clearances, and required area above and around VFCs. Show VFC layout and relationships between electrical components and adjacent structural and mechanical elements. Show support locations, type of support, and weight on each support. Indicate field measurements. b. Qualification Data: For qualified testing agency. c. Product Certificates: For each VFC, from manufacturer VARIABLE-FREQUENCY MOTOR CONTROLLERS Page2 o 14

97 Johnson County PWSD No.3 Wastewater Collection Treatment Facility Improvements d. Harmonic Distortion Levels. Provide 6-pulse units (or 18-pulse rectifier) with input line reactors guaranteed to meet IEEE Standards. e. Source quality-control reports. f. Field quality-control reports. g. Load-Current and Overload-Relay Heater List: Compile after motors have been installed, and arrange to demonstrate that selection of heaters suits actual motor nameplate, full-load currents. h. Load-Current and List of Settings of Adjustable Overload Relays: Compile after motors have been installed and arrange to demonstrate that switch settings for motor-running overload protection suit actual motors to be protected. 6. CLOSEOUT SUBMITTALS Operation and Maintenance Data: For VFCs to include in emergency, operation, and maintenance manuals. 1. Manufacturer's written instructions for testing and adjusting thermal-magnetic circuit breaker and MCP trip settings. 2. Manufacturer's written instructions for setting field-adjustable overload relays. 3. Manufacturer's written instructions for testing, adjusting, and reprogramming microprocessor control modules. 4. Manufacturer's written instructions for setting field-adjustable timers, controls, and status and alarm points. 7. MAINTENANCE MATERIAL SUBMITTALS Furnish extra materials described below that match products installed and that are packaged with protective covering for storage and identified with labels describing contents. 1. Power Fuses: Provide a minimum of three fuses for every size and type used. 2. Control Power Fuses: Provide a minimum of two fuses for every size and type used. 3. Indicating Lights: Provide 22mm multi-cluster super-bright pilot LEDs only (100,000 hour life minimum). 4. Auxiliary Contacts: Furnish one spare for each size and type of magnetic controller installed. 8. QUALITY ASSURANCE a. Testing Agency Qualifications: Member company ofneta or an NRTL. Testing Agency's Field Supervisor: Currently certified by NETA to supervise on-site testing VARIABLE-FREQUENCY MOTOR CONTROLLERS Page 3 o 14

98 Johnson County PWSD No.3 Wastewater Collection Treatment Facility Improvements b. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, by a qualified testing agency, and marked for intended location and application. c. NFPA 70: Comply with NFPA 70. d. IEEE Compliance: Fabricate and test VFC according to IEEE 344 to withstand seismic forces defined in Section "Vibration and Seismic Controls for Electrical Systems." 9. DELIVERY, STORAGE, AND HANDLING If stored in space that is not permanently enclosed and air conditioned, remove loose packing and flammable materials from inside controllers and install temporary electric heating as required. 10. PROJECT CONDITIONS a. Environmental Limitations: Rate equipment for continuous operation, capable of driving full load without derating, under the following conditions unless otherwise indicated: 1. Ambient Temperature: Units shall be rated for a minimum of service factor amps of motor being served at continuous output at 122 deg F. Size/derate equipment as necessary. 2. Ambient Storage Temperature: Not less than minus 4 deg F and not exceeding 140 deg F 3. Humidity: Less than 95 percent (noncondensing). 4. Altitude: Not exceeding 3300 feet. b. Product Selection for Restricted Space: Drawings indicate maximum dimensions for VFCs, including clearances between VFCs, and adjacent surfaces and other items. 11. COORDINATION a. Coordinate features of motors, load characteristics, installed units, and accessory devices to be compatible with the following: 1. Torque, speed, and horsepower requirements of the load. 2. Ratings and characteristics of supply circuit and required control sequence. 3. Ambient and environmental conditions of installation location. b. Coordinate sizes and locations of concrete bases with actual equipment provided. Cast anchor-bolt inserts into bases. c. Coordinate sizes and locations of roof curbs, equipment supports, and roof penetrations with actual equipment provided. 12. WARRANTY a. Special Warranty: Manufacturer's standard form in which manufacturer agrees to repair or replace VFCs that fail in materials or workmanship within specified warranty period VARIABLE-FREQUENCY MOTOR CONTROLLERS Page 4 o 14

99 Johnson County PWSD No. 3 Wastewater Collection Treatment Facility Improvements 1. Warranty Period: Two years from date of Substantial Completion. Warranty shall cover all parts, labor, meals, travel, and any other expenses. 2. Reference: Reference project alternate for alternate warranty pricing. PART 2 -PRODUCTS Use products listed below or approved equivalent. 1. MANUFACTURED UNITS a. Manufacturers: Subject to compliance with requirements, provide products by one of the following: 1. Eaton Corporation; Cutler-Hammer Business Unit. 2. Rockwell Automation, Inc.; Allen-Bradley Brand. 3. Danfoss Inc.; Danfoss Drives Div. 4. Siemens Energy & Automation, Inc. 5. Square D; a brand of Schneider Electric. 6. Or Equivalent. b. General Requirements for VFCs: Comply with NEMA ICS 7 and NEMA ICS All units must be UL 508C certified including phase-shifting autotransformer as a package. c. Application: Variable torque. d. VFC Description: Variable-frequency power converter (rectifier, de bus, and IGBT, PWM inverter) factory packaged in an enclosure, with integral disconnecting means and overcurrent and overload protection; listed and labeled by an NRTL as a complete unit; arranged to provide self-protection, protection, and variable-speed control of one three-phase induction motor by adjusting output voltage and frequency. 1. Units suitable for operation of NEMA MG 1, Design A and Design B motors as defined by NEMA MG 1, Section IV, Part 30, "Application Considerations for Constant Speed Motors Used on a Sinusoidal Bus with Harmonic Content and General Purpose Motors Used with Adjustable Voltage or Adjustable-Frequency Controls or Both." 2. Units suitable for operation of inverter-duty motors as defined by NEMA MG 1, Section IV, Part 31, "Definite-Purpose Inverter-Fed Polyphase Motors." 3. Listed and labeled for integrated short-circuit current (withstand) rating by an NRTL acceptable to authorities having jurisdiction. e. Design and Rating: Match load type, such as fans, blowers, and pumps; and type of connection used between motor and load such as direct or through a power-transmission connection. f. Output Rating: Three-phase; 10 to 66 Hz, with voltage proportional to frequency throughout voltage range; maximum voltage equals input voltage. g. Unit Operating Requirements: VARIABLE-FREQUENCY MOTOR CONTROLLERS Page 5 o 14

100 Johnson County PWSD No.3 Wastewater Collection Treatment Facility Improvements 1. Input AC Voltage Tolerance: Plus 10 and minus 15 percent ofvfc input voltage rating. 2. Input AC Voltage Unbalance: Not exceeding 3 percent. 3. Input Frequency Tolerance: Plus or minus 3 percent ofvfc frequency rating. 4. Minimum Efficiency: 96 percent at 60Hz, full load. 5. Minimum Displacement Primary-Side Power Factor: 99 percent under any load or speed condition. 6. Minimum Short-Circuit Current (Withstand) Rating: 100 ka. 7. Ambient Temperature Rating: Not less than 14 deg F and not exceeding 122 deg F. 8. Ambient Storage Temperature Rating: Not less than minus 4 deg F and not exceeding 140 degf. 9. Humidity Rating: Less than 95 percent (noncondensing). 10. Altitude Rating: Not exceeding 3300 feet. 11. Vibration Withstand: Comply with IEC Overload Capability: 1.1 times the base load current for 60 seconds; minimum of 1.8 times the base load current for three seconds. 13. Starting Torque: Minimum 100 percent of rated torque from 3 to 60Hz. 14. Speed Regulation: Plus or minus 5 percent. 15. Output Carrier Frequency: Selectable; 1.0 to 10.0 khz. 16. Stop Modes: Programmable; includes fast, free-wheel, and de injection braking. h. Inverter Logic: Microprocessor based, isolated from all power circuits. i. Isolated Control Interface: Allows VFCs to follow remote-control signal over a minimum 40:1 speed range. Signal: Electrical, 4-20 madc, with provisions for scaling in VFC. j. Internal Adjustability Capabilities: 1. Minimum Speed: 0 to maximum speed. 2. Maximum Speed: minimum speed to 320Hz. 3. Acceleration: 0.1 to seconds. 4. Deceleration: 0.1 to seconds. 5. Current Limit: 30 to minimum of 150 percent of maximum rating VARIABLE-FREQUENCY MOTOR CONTROLLERS Page6 o 14

101 Johnson County PWSD No. 3 Wastewater Collection Treatment Facility Improvements k. Self-Protection and Reliability Features: 1. Input transient protection by means of surge suppressors to provide three-phase protection against damage from supply voltage surges 10 percent or more above nominal line voltage. Provide 100 ka Transient Voltage Surge Suppression (TVSS) unit with LED indication of protection status on each phase. 2. Loss of Input Signal Protection: Selectable response strategy, including speed default to a percent of the most recent speed, a preset speed, or stop; with alarm. 3. Under- and overvoltage trips. 4. Inverter overcurrent trips. 5. VFC and Motor Overload/Overtemperature Protection: Microprocessor-based thermal protection system for monitoring VFCs and motor thermal characteristics, and for providing VFC overtemperature and motor overload alarm and trip; settings selectable via the keypad; NRTL approved. 6. Critical frequency rejection, with three selectable, adjustable deadbands. 7. Instantaneous line-to-line and line-to-ground overcurrent trips. 8. Loss-of-phase protection. 9. Reverse-phase protection. 10. Short-circuit protection. 11. Motor overtemperature fault. I. Automatic Reset/Restart: Attempt three restarts after drive fault or on return of power after an interruption and before shutting down for manual reset or fault correction; adjustable delay time between restart attempts. m. Power-Interruption Protection: To prevent motor from re-energizing after a power interruption until motor has stopped, unless "Bidirectional Autospeed Search" feature is available and engaged. n. Bidirectional Autospeed Search: Capable of starting VFC into rotating loads spinning in either direction and returning motor to set speed in proper direction, without causing damage to drive, motor, or load. o. Torque Boost: Automatically varies starting and continuous torque to at least 1.5 times the minimum torque to ensure high-starting torque and increased torque at slow speeds. p. Motor Temperature Compensation at Slow Speeds: Adjustable current fall-back based on output frequency for temperature protection of self-cooled, fan-ventilated motors at slow speeds VARIABLE-FREQUENCY MOTOR CONTROLLERS Page 7 o 14

102 Johnson County PWSD No. 3 Wastewater Collection Treatment Facility Improvements q. Integral Input Disconnecting Means and OCPD: Provide integral 100 kaic rated molded-case circuit breaker with flange-mounted door-interlocked operating mechanism and provisions for lockout/tag-out with up to three padlocks. 2. CONTROLS AND INDICATION a. Status Lights: Door-mounted LED pilot light indication displaying the following conditions: 1. Motor Running. 2. Motor Stopped. 3. Fault. b. Panel-Mounted Operator Station: Manufacturer's standard front-accessible, sealed keypad and plain-english language digital display; allows complete programming, program copying, operating, monitoring, and diagnostic capability. 1. Keypad: In addition to required programming and control keys, include keys for HAND, OFF, and AUTO modes. 2. Security Access: Provide electronic security access to controls through identification and password with at least three levels of access: View only; view and operate; and view, operate, and service. Control Authority: Supports at least four conditions: Off, local manual control at VFC, local automatic control at VFC, and automatic control through a remote source. c. Historical Logging Information and Displays: 1. Provide separate door-mounted electro-mechanical time clock to accumulate run hours. VFC keypad will not suffice for this requirement. 2. Fault log, maintaining last thirty faults in order. 3. Provide display of motor overtemperature shutdown via external temperature switches. d. Indicating Devices: Digital displayand additional readout devices as required, mounted flush in VFC door and connected to display VFC parameters including, but not limited to: 1. Output frequency (Hz). 2. Motor speed (rpm). 3. Motor status (running, stop, fault). 4. Motor current (amperes). 5. Motor torque (percent). 6. Fault or alarming status (code). 7. DC-link voltage (V de). 8. Set point frequency (Hz). 9. Motor output voltage (V ac). 10. Motor Temperature Shutdown VARIABLE-FREQUENCY MOTOR CONTROLLERS Page 8 of14

103 Johnson County PWSD No.3 Wastewater Collection Treatment Facility Improvements e. Control Signal Interfaces: 1. Electric Input Signal Interface: a. A minimum of two programmable analog inputs. A 4-20 madc signal shall be used to control VFC speed in Auto, and a door-mounted one-tum potentiometer shall be used to modulate a 0-10 VDC speed setpoint in Hand. b. A minimum of six multifunction programmable digital inputs. 2. Remote Signal Inputs: Capability to accept any of the following speed-setting input signals from the BAS or other control systems: a. 0- to 10-V de. b. 4- to 20-mA de. c. Potentiometer using up/down digital inputs. d. Fixed frequencies using digital inputs. 3. Output Signal Interface: A minimum of two programmable analog output signal 4- to 20- ma de, which can be configured for any of the following: a. Output frequency (Hz). b. Output current (load). c. DC-link voltage (V de). d. Motor torque (percent). e. Motor speed (rpm). f. Set point frequency (Hz). 4. Remote Indication Interface: Dry-circuit relay outputs (120-V ac, 1 A) for remote indication ofthe following: a. Motor running. b. VFD Fault. c. Motor Overtemp. 3. LINE CONDITIONING AND FILTERING All input power to VFC shall first pass through 100 kaic rated molded-case circuit breaker, followed by 200 kaic rated Class T semiconductor fuses, as well as phase-shifting autotransformer, and input line reactors. A TVSS unit shall provide further protection against input transient voltages. Control Circuits: 120V ac; obtained from integral CPT, with primary and secondary fuses, with CPT of sufficient capacity to operate all integral devices and remotely located pilot, indicating, and control devices. CPT Spare Capacity: 100 VA VARIABLE-FREQUENCY MOTOR CONTROLLERS Page 9 o 14

104 Johnson County PWSD No. 3 Wastewater Collection Treatment Facility Improvements 4. ENCLOSURES VFC Enclosures: NEMA 250, to comply with environmental conditions at installed location with dual doors and keylock entry protection unless noted otherwise on construction drawings. 1. Indoor Enclosures: Indoor Enclosures to be dust-tight NEMA 12 rated with dual doors and keylock entry protection. 2. Outdoor Locations: Type 3R. 3. Wash-Down Areas: Type 4X, stainless steel. 3. Other Wet or Damp Indoor Locations: Type ACCESSORIES a. General Requirements for Control-Circuit and Pilot Devices: NEMA ICS 5; factory installed in VFC enclosure cover unless otherwise indicated. Push Buttons, Pilot Lights, and Selector Switches: a. Push Buttons: Valve Reset. b. Pilot Lights: LED only (incandescent not acceptable). c. Selector Switches: Rotary type, Hand/Off/Auto. d. Speed Potentiometer: 5k ohm 1-tum, 1 watt. b. Control Relays: All ice-cube relays to include indicating LEDs to show coil voltage present, as well as test pushbuttons and lever operated test-and-hold feature to simplify trouble-shooting. All relay sockets to be finger-safe with captive screws. Current Transformers: Continuous current rating, basic impulse insulating level (BIL) rating, burden, and accuracy class suitable for connected circuitry. Comply with IEEE C c. Supplemental Digital Meters: Elapsed-time meter. Provide non-resettable electro-mechanical type on door. d. Cooling Fan and Exhaust System: Provide thermostatically-controlled VFC cooling fans which shut down when motor is idle. 6. SOURCE QUALITY CONTROL a. Testing: Test and inspect VFCs according to requirements in NEMA ICS Test: Test each VFC with phase-shifting transformer as an assembly while fully loaded. 2. Verification of Performance: Rate VFCs according to operation of functions and features specified VARIABLE-FREQUENCY MOTOR CONTROLLERS Page 10 o 14

105 Johnson County PWSD No. 3 Wastewater Collection Treatment Facility Improvements b. VFCs will be considered defective if they do not pass tests and inspections. c. Prepare test and inspection reports. PART 3 -EXECUTION 1. EXAMINATION a. Examine areas, surfaces, and substrates to receive VFCs, with Installer present, for compliance with requirements for installation tolerances, and other conditions affecting performance. b. Examine VFC before installation. Reject VFCs that are wet, moisture damaged, or mold damaged. c. Examine roughing-in for conduit systems to verify actual locations of conduit connections before VFC installation. d. Proceed with installation only after unsatisfactory conditions have been corrected. 2. INSTALLATION a. General: Coordinate layout and installation of VFCs with other construction including conduit, piping, equipment, and adjacent surfaces. Maintain required workspace clearances and required clearances for equipment access doors and panels. b. Floor-Mounting Controllers: Install VFCs on 4-inch nominal thickness concrete base. Comply with requirements for concrete base specified in related sections of specifications. 1. Install dowel rods to connect concrete base to concrete floor. Unless otherwise indicated, install dowel rods on 18-inch centers around the full perimeter of concrete base. 2. For supported equipment, install epoxy-coated anchor bolts that extend through concrete base and anchor into structural concrete floor. 3. Place and secure anchorage devices. Use setting drawings, templates, diagrams, instructions, and directions furnished with items to be embedded. 4. Install anchor bolts to elevations required for proper attachment to supported equipment. c. Temporary Lifting Provisions: Remove temporary lifting eyes, channels, and brackets and temporary blocking of moving parts from enclosures and components. 3. IDENTIFICATION a. General: IdentifY VFCs, components, and control wmng. Comply with requirements for identification specified in Section "Identification for Electrical Systems." 1. IdentifY field-installed conductors, interconnecting wiring, and components; provide warning signs VARIABLE-FREQUENCY MOTOR CONTROLLERS Page 11 o 14

106 Johnson County PWSD No. 3 Wastewater Collection Treatment Facility Improvements 2. Label each VFC with engraved nameplate. 3. Label each enclosure-mounted control and pilot device. b. Operating Instructions: Frame printed operating instructions for VFCs, including control sequences and emergency procedures. Fabricate frame of finished metal, and cover instructions with clear acrylic plastic. Mount on front ofvfc units. 4. CONTROL WIRING INSTALLATION a. Install wiring between VFCs and remote devices and facility's central-control system. b. Bundle, train, and support wiring in enclosures. c. Connect selector switches and other automatic control devices where applicable. 1. Connect selector switches to bypass only those manual- and automatic control devices that have no safety functions when switches are in manual-control position. 2. Connect selector switches with control circuit in both manual and automatic positions for safety-type control devices such as low- and high-pressure cutouts, high-temperature cutouts, and motor overload protectors. 5. FIELD QUALITY CONTROL a. Testing Agency: Engage a qualified testing agency to perform tests and inspections. b. Manufacturer's Field Service: Engage a factory-authorized service representative to inspect, test, and adjust components, assemblies, and equipment installations, including connections. c. Perform tests and inspections: Manufacturer's Field Service: Engage a factory-authorized service representative to inspect components, assemblies, and equipment installations, including connections, and to assist in testing. d. Acceptance Testing Preparation: 1. Test insulation resistance for each VFC element, bus, component, connecting supply, feeder, and control circuit. 2. Test continuity of each circuit. e. Tests and Inspections: 1. Inspect VFC, wiring, components, connections, and equipment installation. 2. Test insulation resistance for each VFC element, component, connecting motor supply, feeder, and control circuits VARIABLE-FREQUENCY MOTOR CONTROLLERS Page 12 o 14

107 Johnson County PWSD No. 3 Wastewater Collection Treatment Facility Improvements 3. Test continuity of each circuit. 4. Verify that voltages at VFC locations are within 10 percent of motor nameplate rated voltages. If outside this range for any motor, notify Owner before starting the motor(s). 5. Test each motor for proper phase rotation. 6. Perform each electrical test and visual and mechanical inspection stated in NETA Acceptance Testing Specification. Certify compliance with test parameters. 7. Correct malfunctioning units on-site, where possible, and retest to demonstrate compliance; otherwise, replace with new units and retest. 8. Perform the following infrared (thermographic) scan tests and inspections and prepare reports: a. Initial Infrared Scanning: After Substantial Completion, but not more than 60 days after Final Acceptance, perform an infrared scan of each VFC. Remove front panels so joints and connections are accessible to portable scanner. b. Instruments and Equipment: Use an infrared scanning device designed to measure temperature or to detect significant deviations from normal values. Provide calibration record for device. 9. Test and adjust controls, remote monitoring, and safeties. Replace damaged and malfunctioning controls and equipment. f. VFCs: VFCs will be considered defective if they do not pass tests and inspections. g. Test and Inspection Reports: Prepare test and inspection reports, including a certified report that identifies the VFC and describes scanning results. Include notation of deficiencies detected, remedial action taken, and observations made after remedial action. 6. STARTUP SERVICE Engage a factory-authorized service representative to perform startup service. Manufacturer shall be responsible for as much time and as many visits as necessary to properly commission the system. 1. Complete installation and startup checks according to manufacturer's written instructions. 2. Provide a minimum 4 hours training for owner's personnel on operation, maintenance, and trouble-shooting of the system. 7. ADJUSTING a. Program microprocessors for required operational sequences, status indications, alarms, event recording, and display features. Clear events memory after final acceptance testing and prior to Substantial Completion VARIABLE-FREQUENCY MOTOR CONTROLLERS Page13 o 14

108 Johnson County PWSD No. 3 Wastewater Collection Treatment Facility Improvements b. Set field-adjustable switches, auxiliary relays, time-delay relays, timers, and overload-relay pickup and trip ranges. c. Adjust the trip settings of MCPs and thermal-magnetic circuit breakers with adjustable, instantaneous trip elements. Initially adjust to six times the motor nameplate full-load amperes and attempt to start motors several times, allowing for motor cool-down between starts. If tripping occurs on motor inrush, adjust settings in increments until motors start without tripping. Do not exceed eight times the motor fullload amperes (or 11 times for NEMA Premium Efficient motors if required). Where these maximum settings do not allow starting of a motor, notify Owner before increasing settings. 1. Set the taps on reduced-voltage autotransformer controllers. 2. Set field-adjustable circuit-breaker trip ranges 3. Set field-adjustable valve limit switches. 8. PROTECTION a. Temporary Heating: Apply temporary heat to maintain temperature according to manufacturer's written instructions until controllers are ready to be energized and placed into service. b. VFCs: Replace VFCs whose interiors have been exposed to water or other liquids prior to Substantial Completion. 9. DEMONSTRATION Engage a factory-authorized service representative to train Owner's maintenance personnel to adjust, operate, reprogram, and maintain VFCs VARIABLE-FREQUENCY MOTOR CONTROLLERS Page 14 o 14

109 16289 TRANSIENT VOLTAGE SUPPRESSION (SURGE PROTECTION DEVICES) PART 1- GENERAL 1. SUMMARY Section includes field-mounted TVSS (Surge Protection Devices) for low-voltage (120 to 600 V) power distribution and control equipment. 2. ACTION SUBMITTALS Product Data: For each type of product indicated. Include rated capacities, operating weights, electrical characteristics, furnished specialties, and accessories. 3. INFORMATIONAL SUBMITTALS a. Field quality-control reports. b. Warranties: Sample of special warranties. 4. CLOSEOUT SUBMITTALS Operation and maintenance data. 5. QUALITY ASSURANCE a. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFP A 70, by a testing agency, and marked for intended location and application. b. Comply with IEEE C and test devices according to IEEE C c. Comply with NEMA LS 1. d. Comply with UL 1283 and UL e. Comply with NFPA WARRANTY a. Special Warranty: Manufacturer's standard form in which manufacturer agrees to repair or replace components of surge suppressors that fail in materials or workmanship within specified warranty period. b. Warranty Period: Five years from date of Substantial Completion TRANSIENT VOLTAGE SUPPRESSION Page 1 of5

110 PART 2- PRODUCTS 1. SERVICE ENTRANCE SUPPRESSORS a. Manufacturers: Subject to compliance with requirements, provide products by one of the following or equivalent: 1. ABB USA. 2. Eaton Electrical Inc.; Cutler-Hammer Business Unit. 3. General Electric Company; GE Consumer & Industrial - Electrical Distribution. 4. Liebert Corporation; a division of Emerson Network Power. 5. Siemens Energy & Automation, Inc. 6. Square D; a brand of Schneider Electric. b. Surge Protection Devices: 1. LED indicator lights for power and protection status. 2. Comply with UL Fuses, rated at 200-kA interrupting capacity. 4. Fabrication using bolted compression lugs for internal wiring. 5. Redundant suppression circuits. 6. LED indicator lights for power and protection status. c. Peak Single-Impulse Surge Current Rating: 240 ka per mode/480 ka per phase. d. Minimum Single Impulse Current Ratings: Minimum single impulse current ratings, using 8-by- 20-mic.sec waveform described in IEEE C Line to Neutral: 70,000 A. 2. Line to Ground: 70,000 A. 3. Neutral to Ground: 50,000 A. e. Protection modes and UL 1449 SVR for grounded wye circuits with 480Y/277 V, 3-phase, 4-wire circuits shall be as follows: 1. Line to Neutral: 800 V for 480Y/277 V. 2. Line to Ground: 800 V for 480Y/277 V. 3. Neutral to Ground: 800 V for 480Y/277 V. 2. PANELBOARD SUPPRESSORS a. Manufacturers: Subject to compliance with requirements, provide products by one of the following: 1. ABB USA. 2. Eaton Electrical Inc.; Cutler-Hammer Business Unit. 3. General Electric Company; GE Consumer & Industrial - Electrical Distribution. 4. Liebert Corporation; a division of Emerson Network Power. 5. Siemens Energy & Automation, Inc. 6. Square D; a brand of Schneider Electric TRANSIENT VOLTAGE SUPPRESSION Page 2 o 5

111 b. Surge Protection Devices: 1. LED indicator lights for power and protection status. 2. Fuses, rated at 200-kA interrupting capacity. 3. Fabrication using bolted compression lugs for internal wiring. 4. Redundant suppression circuits. 5. Arrangement with wire connections to phase buses, neutral bus, and ground bus. 6. LED indicator lights for power and protection status. c. Peak Single-Impulse Surge Current Rating: 120 ka per mode/240 ka per phase. d. Minimum single impulse current ratings, using 8-by-20-mic.sec waveform described in IEEE C : 1. Line to Neutral: 70,000 A. 2. Line to Ground: 70,000 A. 3. Neutral to Ground: 50,000 A. e. Protection modes and UL 1449 SVR for grounded wye circuits with 480Y/277 V, 3-phase, 4-wire circuits shall be as follows: 1. Line to Neutral: 800 V for 480Y/277 V. 2. Line to Ground: 800 V for 480Y/277 V. 3. Neutral to Ground: 800 V for 480Y/277 V. f. Protection modes and UL 1449 SVR for grounded wye circuits with 208Y/120 V, 3-phase, 4-wire circuits shall be as follows: 1. Line to Neutral: 400 V for 208Y/120 V. 2. Line to Ground: 400 V for 208Y/120 V. 3. Neutral to Ground: 400 V for 208Y/120 V. g. Protection modes and UL 1449 SVR for 240/120-V, single-phase, 3-wire circuits shall be as follows: 1. Line to Neutral: 400 V. 2. Line to Ground: 400 V. 3. Neutral to Ground: 400 V. h. Protection modes and UL 1449 SVR for 240 V, 480 V, or 600 V, 3-phase, 3-wire, delta circuits shall be as follows: 1. Line to Line: 2000 V for 480 V, 1000 V for 240 V. 2. Line to Ground: 1500 V for 480 V, 800 V for 240 V TRANSIENT VOLTAGE SUPPRESSION Page3 o 5

112 3. ENCLOSURES a. Indoor Enclosures: NEMA 250 Type 1 in finished space, Type 4X in areas subject to corrosion. b. Outdoor Enclosures: NEMA 250 Type 4X. PART 3 -EXECUTION 1. INSTALLATION a. Install TVSS devices at service entrance on load side, with ground lead bonded to service entrance ground. b. Install TVSS devices for panelboards and auxiliary panels with conductors or buses between suppressor and points of attachment as short and straight as possible. Do not exceed manufacturer's recommended lead length. Do not bond neutral and ground. c. Provide multiple circuit breakers sized per manufacturer's recommendations as a dedicated disconnecting means for TVSS unless otherwise indicated. 2. FIELD QUALITY CONTROL a. Perform tests and inspections: Manufacturer's Field Service: Engage a factory-authorized service representative to inspect components, assemblies, and equipment installations, including connections, and to assist in testing. b. Tests and Inspections: 1. Perform each visual and mechanical inspection and electrical test stated in NETA ATS, "Surge Arresters, Low-Voltage Surge Protection Devices" Section. Certify compliance with test parameters. 2. After installing TVSS devices but before electrical circuitry has been energized, test for compliance with requirements. 3. Complete startup checks according to manufacturer's written instructions. c. RVSS Device: TVSS device will be considered defective if it does not pass tests and inspections. d. Test and Inspection Reports: Prepare test and inspection reports TRANSIENT VOLTAGE SUPPRESSION Page4 o 5

113 3. STARTUP SERVICE a. Do not energize or connect service entrance equipment and panelboards to their sources until TVSS devices are installed and connected. b. Do not perform insulation resistance tests of the distribution wiring equipment with the TVSS installed. Disconnect before conducting insulation resistance tests, and reconnect immediately after the testing is over. 4. DEMONSTRATION Train Owner's maintenance personnel to maintain TVSS devices TRANSIENT VOLTAGE SUPPRESSION Page 5 of5

114

115 Johnson County PWSD No. 3 Wastewater Collection Treatment Facility Improvements OVERCURRENT PROTECTIVE DEVICES PART 1 - GENERAL The extent of overcurrent protective device work is indicated by plan drawings and schedules. Types of overcurrent protective devices in this section include the following: Circuit Breakers: Molded-case. Solid-state trip. Fuses: Class L time-delay. Class L fast-acting. Class RKI time-delay. Class RKI and Class J current-limiting. Class EK5 time-delay. Class K5 one-time. PART 2- QUALITY CONTROL a. National Electric Code: Comply with NEC requirements as applicable to construction and installation of overcurrent protective devices. b. Underwriters Laboratories, Inc: Comply with applicable requirements oful 489, "Molded-Case Circuit Breakers and Circuit-Breaker Enclosures", and UL 198D, "High-Interrupting-Capacity Class K Fuses". Provide overcurrent protective devices which are UL-listed and labeled. c. National Electrical Manufacturing Association: Comply with applicable requirements ofnema Std Pub Nos. ABl, AB2, and SG3 pertaining to molded-case and low-voltage power type circuit breakers. d. American National Standards Institute: Comply with applicable requirements of ANSI C97.1 pertaining to low-voltage cartridge fuses. PART3-REQUIREDSUBMITTALS a. General: Submit manufacturer's data on overcurrent protective devices, including: amperes, voltages and current ratings, interrupting ratings, current limitations, internal characteristic curves, and mounting requirements. b. Maintenance Stock, Fuses: For types and ratings required, furnish additional fuses, amounting to one unit for every 5 installed units, but not less than one unit of each OVERCURRENT PROTECTIVE DEVICES Page 1 of3

116 Johnson County PWSD No.3 Wastewater Collection Treatment Facility Improvements PART 4- MATERIALS a. Manufacturers of circuit breakers shall be as follows: (or approved equivalent) Cutler-Hammer, Inc. SquareD Co. b. Manufacturers of fuses shall be as follows: (or approved equivalent) Bussmann Div; McGraw-Edison Co. General Electric Co. Gould, Shawmalt, Inc. 1. CIRCUIT BREAKERS a. General: Except as otherwise indicated, provide circuit breakers and ancillary components, of types, sizes, ratings and electrical characteristics indicated, which comply with manufacturer's standard design, materials, components, and construction in accordance with published product information, and as required for a complete installation. b. Molded-Case Circuit Breakers: Provide factory-assembled, molded-case circuit breakers of frame size indicated; rated amperes as indicated, 600-volts, 60 Hz, 3-poles with 65,000 RMS symmetrical amperes interrupting ratings. Provide breakers with permanent thermal and instantaneous magnetic trips in each pole, and with fault-current limiting protection, amperes ratings as indicated. Construct with overcenter, trip-free, toggle-type operating mechanisms with quick-make, quick-break action and positive handle trip indication. Provide push-to-trip button on cover for mechanical tripping circuit breakers. Construct breakers for mounting and operating in any physical position and operating in an ambient temperature of 40C. Provide breakers with mechanical screw type removable connectors lugs ALICU rated. 2. FUSES a. General: Except as otherwise indicated, provide fuses of types, sizes, ratings, and average time/current and peak let-through current characteristics indicated, which comply with manufacturer's standard design, materials, and construction in accordance with published product information, and with industry standards and configurations. b. Class L Time-Delay Fuses: Provide UL Class L time-delay fuses rated 600 V, 60Hz, 800 amperes, with 200,000 RMS symmetrical interrupting current rating for protecting service entrances and main feeder circuit breakers. c. Class L Fast-Acting Fuses: Provide UL Class L fast-acting fuses rated 600 V, 60Hz, 400 amperes, with 200,000 RMS symmetrical interrupting current rating for protecting service entrances and main feeder circuit breakers. d. Class RKI Time-Delay Fuses: Provide UL Class RKl time-delay fuses rated 600 V, 60Hz, 400 amperes, with 200,000 RMS symmetrical interrupting current rating for protecting motors and circuit breakers OVERCURRENT PROTECTIVE DEVICES Page 2 of3

117 Johnson County PWSD No. 3 Wastewater Collection Treatment Facility Improvements e. Class RKl and Class J Current-Limiting Fuses: Provide UL Class RI and Class J current-limiting fuses rated 250 V, 60 Hz, 200 amperes. with 200,000 RMS symmetrical interrupting current rating for protecting circuit breakers. f. Class RKS Time-Delay Fuses: Provide UL Class RK5 time-delay fuses rated 600- V, 60Hz, 300 amperes, with 200,000 RMS symmetrical interrupting current rating for protecting motors. g. Class K5 One-Time Fuses: Provide UL Class K5 one-time fuses rated 250V, 60Hz, 200 amperes; with 100,000 RMS symmetrical interrupting current rating for protecting non-inductive loads. PART 5 - CONSTRUCTION a. Installation of Overcurrent Protective Devices b. Install overcurrent protective devices as required, in accordance with manufactures's written instructions and with recognized industry practices to ensure that protective devices comply with requirements. Comply with NBC and NEMA standards for installation of overcurrent protective devices. c. Fasten circuit breakers without causing mechanical stresses, twisting or misalignment being exerted by clamps, supports, or cabling. d. Set field-adjustable circuit breakers for trip settings as required, subsequent to installation of units. e. Install fuses, if any, in fused circuit breakers OVERCURRENT PROTECTIVE DEVICES Page 3 of3

118

119 16415 TRANSFER SWITCHES PART 1-GENERAL 1. SUMMARY Section includes automatic transfer switches rated 600 V and less. 2. ACTION SUBMITTALS a. Product Data: Include rated capacities, weights, operating characteristics, furnished specialties, and accessories. b. Shop Drawings: Dimensioned plans, elevations, sections, and details showing minimum clearances, conductor entry provisions, gutter space, installed features and devices, and material lists for each switch specified. 3. INFORMATIONAL SUBMITTALS A. Field quality-control reports. 4. CLOSEOUT SUBMITTALS Operation and maintenance data. 5. QUALITY ASSURANCE a. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFP A 70, by a qualified testing agency, and marked for intended location and application. b. Comply with NEMA ICS 1. c. Comply with NFPA 70. d. Comply with NFPA 110. e. Comply with UL 1008 unless requirements of these Specifications are stricter. PART 2 -PRODUCTS 1. MANUFACTURED UNITS Transfer Switches Using Molded-Case Switches or Circuit Breakers: Manufacturers: Subject to compliance with requirements, provide products by one of the following or equivalent: TRANSFER SWITCHES Page 1 o 6

120 a. Caterpillar; Engine Div. b. Emerson; ASCO Power Technologies, LP. c. Generac Power Systems, Inc. d. GE Zenith Controls. e. MTU Onsite Energy. f. Onan/Cummins Power Generation; Industrial Business Group. g. Russelectric, Inc. 2. GENERAL TRANSFER-SWITCH PRODUCT REQUIREMENTS a. Indicated Current Ratings: Apply as defined in UL 1008 for continuous loading and total system transfer, including tungsten filament lamp loads not exceeding 3 0 percent of switch ampere rating, unless otherwise indicated. b. Tested Fault-Current Closing and Withstand Ratings: Adequate for duty imposed by protective devices at installation locations in Project under the fault conditions indicated, based on testing according to UL Where transfer switch includes internal fault-current protection, rating of switch and trip unit combination shall exceed indicated fault-current value at installation location. c. Solid-State Controls: Repetitive accuracy of all settings shall be plus or minus 2 percent or better over an operating temperature range of minus 20 to plus 70 deg C. d. Resistance to Damage by Voltage Transients: Components shall meet or exceed voltage-surge withstand capability requirements when tested according to IEEE C Components shall meet or exceed voltage-impulse withstand test ofnema ICS 1. e. Electrical Operation: Accomplish by a nonfused, momentarily energized solenoid or electric-motoroperated mechanism, mechanically and electrically interlocked in both directions. f. Switch Characteristics: Designed for continuous-duty repetitive transfer of full-rated current between active power sources. 1. Switch Action: Double throw; mechanically held in both directions. 2. Contacts: Silver composition or silver alloy for load-current switching. Conventional automatic transfer-switch units, rated 225 A and higher, shall have separate arcing contacts. g. Neutral Terminal: Solid and fully rated, unless otherwise indicated. h. Enclosures: General-purpose NEMA 250, Type 3R, complying with NEMA ICS 6 and UL 508, unless otherwise indicated TRANSFER SWITCHES Page 2 o 6

121 3. AUTOMATIC TRANSFER SWITCHES a. General: Comply with Level 1 equipment according to NFPA 110. b. Switching Arrangement: Double-throw type, incapable of pauses or intermediate position stops during normal functioning, unless otherwise indicated. c. Transfer Switches Based on Molded-Case-Switch Components: Comply with NEMA AB 1, UL 489, and UL 869A. d. Motor Disconnect and Timing Relay: Controls designate starters so they disconnect motors before transfer and reconnect them selectively at an adjustable time interval after transfer. Time delay for reconnecting individual motor loads is adjustable between 1 and 60 seconds, and settings are as indicated. e. Automatic Transfer-Switch Features: 1. Undervoltage Sensing for Each Phase of Normal Source: Sense low phase-to-ground voltage on each phase. Pickup voltage shall be adjustable from 85 to 100 percent of nominal, and dropout voltage is adjustable from 75 to 98 percent of pickup value. Factory set for pickup at 90 percent and dropout at 85 percent. 2. Adjustable Time Delay: For override of normal-source voltage sensing to delay transfer and engine start signals. Adjustable from zero to six seconds, and factory set for one second. 3. Voltage/Frequency Lockout Relay: Prevent premature transfer to generator. Pickup voltage shall be adjustable from 85 to 100 percent of nominal. Factory set for pickup at 90 percent. Pickup frequency shall be adjustable from 90 to 100 percent of nominal. Factory set for pickup at 95 percent. 4. Time Delay for Retransfer to Normal Source: Adjustable from 0 to 30 minutes, and factory set for 10 minutes to automatically defeat delay on loss of voltage or sustained undervoltage of emergency source, provided normal supply has been restored. 5. Test Switch: Simulate normal-source failure. 6. Switch-Position Pilot Lights: Indicate source to which load is connected. 7. Source-Available Indicating Lights: Supervise sources via transfer-switch normal- and emergency-source sensing circuits. a. Normal Power Supervision: Green light with nameplate engraved "Normal Source Available." b. Emergency Power Supervision: Red light with nameplate engraved "Emergency Source Available." TRANSFER SWITCHES Page3 o 6

122 8. Unassigned Auxiliary Contacts: Two normally open, single-pole, double-throw contacts for each switch position, rated 10 A at 240-V ac. 9. Transfer Override Switch: Overrides automatic retransfer control so automatic transfer switch will remain connected to emergency power source regardless of condition of normal source. Pilot light indicates override status. 10. Engine Starting Contacts: One isolated and normally closed, and one isolated and normally open; rated 10 A at 32-V de minimum. 11. Engine Shutdown Contacts: Time delay adjustable from zero to five minutes, and factory set for five minutes. Contacts shall initiate shutdown at remote engine-generator controls after retransfer of load to normal source. 12. Engine-Generator Exerciser: Solid-state, programmable-time switch starts engine generator and transfers load to it from normal source for a preset time, then retransfers and shuts down engine after a preset cool-down period. Initiates exercise cycle at preset intervals adjustable from 7 to 30 days. Running periods are adjustable from 10 to 30 minutes. Factory settings are for 7-day exercise cycle, 20-minute running period, and 5-minute cool-down period. Exerciser features include the following: a. Exerciser Transfer Selector Switch: Permits selection of exercise with and without load transfer. b. Push-button programming control with digital display of settings. c. Integral battery operation of time switch when normal control power is not available. 4. SOURCE QUALITY CONTROL Factory test and inspect components, assembled switches, and associated equipment. Ensure proper operation. Check transfer time and voltage, frequency, and time-delay settings for compliance with specified requirements. Perform dielectric strength test complying with NEMA ICS 1. PART 3 -EXECUTION 1. INSTALLATION a. Floor-Mounting Switch: Anchor to floor/equipment pad by bolting. Concrete Bases: 4 inches high, reinforced, with chamfered edges. Extend base no more than 4 inches in all directions beyond the maximum dimensions of switch, unless otherwise indicated. b. IdentifY components according to Section "Electrical Identification." c. Set field-adjustable intervals and delays, relays, and engine exerciser clock TRANSFER SWITCHES Page4 of6

123 2. CONNECTIONS a. Ground equipment according to Section "Grounding and Bonding." b. Connect wiring according to Section "Conductors and Cables." 3. FIELD QUALITY CONTROL a. Manufacturer's Field Service: Engage a factory-authorized service representative to test and inspect components, assemblies, and equipment installations, including connections. b. Perform the following tests and inspections with the assistance of a factory-authorized service representative: 1. After installing equipment and after electrical circuitry has been energized, test for compliance with requirements. 2. Perform each visual and mechanical inspection and electrical test stated in NET A Acceptance Testing Specification. Certify compliance with test parameters. 3. Measure insulation resistance phase-to-phase and phase-to-ground with insulation-resistance tester. Use test voltages and procedure recommended by manufacturer. Comply with manufacturer's specified minimum resistance. a. Check for electrical continuity of circuits and for short circuits. b. Inspect for physical damage, proper installation and connection, and integrity of barriers, covers, and safety features. c. Verify that manual transfer warnings are properly placed. d. Perform manual transfer operation. 4. After energizing circuits, demonstrate interlocking sequence and operational function for each switch at least three times. a. Simulate power failures of normal source to automatic transfer switches and of emergency source with normal source available. b. Simulate loss of phase-to-ground voltage for each phase of normal source. c. Verify time-delay settings. d. Verify pickup and dropout voltages by data readout or inspection of control settings. e. Perform contact-resistance test across main contacts and correct values exceeding 500 microhms and values for 1 pole deviating by more than 50 percent from other poles TRANSFER SWITCHES Page 5 o 6

124 f. V erizy proper sequence and correct timing of automatic engine starting, transfer time delay, retransfer time delay on restoration of normal power, and engine cool-down and shutdown. 5. Ground-Fault Tests: Coordinate with testing of ground-fault protective devices for power delivery from both sources. VerifY grounding connections and locations and ratings of sensors. c. Coordinate tests with tests of generator and run them concurrently. d. Report results of tests and inspections in writing. Record adjustable relay settings and measured insulation and contact resistances and time delays. Attach a label or tag to each tested component indicating satisfactory completion of tests. e. Remove and replace malfunctioning units and retest as specified above. f. Prepare test and inspection reports. g. Infrared Scanning: After Substantial Completion, but not more than 60 days after Final Acceptance, perform an infrared scan of each switch. Remove all access panels so joints and connections are accessible to portable scanner. 1. Follow-up Infrared Scanning: Perform an additional follow-up infrared scan of each switch 11 months after date of Substantial Completion. 2. Instrument: Use an infrared scanning device designed to measure temperature or to detect significant deviations from normal values. Provide calibration record for device. 3. Record of Infrared Scanning: Prepare a certified report that identifies switches checked and that describes scanning results. Include notation of deficiencies detected, remedial action taken, and observations after remedial action. 4. DEMONSTRATION a. Engage a factory-authorized service representative to train Owner's maintenance personnel to adjust, operate, and maintain transfer switches and related equipment as specified below. Refer to Section "Demonstration and Training." b. Coordinate this training with that for generator equipment TRANSFER SWITCHES Page6 o 6

125 Johnson County PWSD No. 3 Wastewater Collection Treatment Facility Improvements ENCLOSED CONTROLLERS PART 1- GENERAL 1. SUMMARY Section includes the following enclosed controllers rated 600 V and less: Full-voltage magnetic. 2. DEFINITIONS a. CPT: Control power transformer. b. MCCB: Molded-case circuit breaker. c. MCP: Motor circuit protector. d. N.C.: Normally closed. e. N.O.: Normally open. f. OCPD: Overcurrent protective device. 3. PERFORMANCE REQUIREMENTS 4. ACTION SUBMITTALS a. Product Data: For each type of enclosed controller. b. Shop Drawings: For each enclosed controller. Include dimensioned plans, elevations, sections, details, and required clearances and service spaces around controller enclosures. Wiring Diagrams: For power, signal, and control wiring. 5. INFORMATIONAL SUBMITTALS Field quality-control reports. 6. CLOSEOUT SUBMITTALS Operation and maintenance data. 7. QUALITY ASSURANCE a. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFP A 70, by a qualified testing agency, and marked for intended location and application. b. NFPA 70: Comply with NFPA ENCLOSED CONTROLLERS Page 1 o 6

126 Johnson County PWSD No. 3 Wastewater Collection Treatment Facility Improvements PART 2 -PRODUCTS Use Manufacturer listed or approved equivalent. 1. FULL-VOLTAGE CONTROLLERS a. General Requirements for Full-Voltage Controllers: Comply with NEMA ICS 2, general purpose, Class A. b. Magnetic Controllers: Full voltage, across the line, electrically held. 1. Manufacturers: Subject to compliance with requirements, provide products by one of the following: a. Eaton Electrical Inc.; Cutler-Hammer Business Unit. b. General Electric Company; GE Consumer & Industrial - Electrical Distribution. c. Siemens Energy & Automation, Inc. d. Square D; a brand of Schneider Electric. 2. Configuration: Nonreversing. 3. Contactor Coils: Pressure-encapsulated type. Operating Voltage: Depending on contactor NEMA size and line-voltage rating, manufacturer's standard matching control power or line voltage. 4. Power Contacts: Totally enclosed, double-break, silver-cadmium oxide; assembled to allow inspection and replacement without disturbing line or load wiring. 5. Control Circuits: 24-V ac; obtained from integral CPT, with primary and secondary fuses, with sufficient capacity to operate integral devices and remotely located pilot, indicating, and control devices. 6. Bimetallic Overload Relays: 1. Inverse-time-current characteristic. 2. Class 10 tripping characteristic. 3. Heaters in each phase matched to nameplate full-load current of actual protected motor and with appropriate adjustment for duty cycle. 7. External Overload: External overload reset push button. c. Combination Magnetic Controller: Factory-assembled combination of magnetic controller, OCPD, and disconnecting means. 1. Manufacturers: Subject to compliance with requirements, provide products by one of the following: ENCLOSED CONTROLLERS Page 2 o 6

127 Johnson County PWSD No.3 Wastewater Collection Treatment Facility Improvements a. Eaton Electrical Inc.; Cutler-Hammer Business Unit. b. General Electric Company; GE Consumer & Industrial - Electrical Distribution. c. Siemens Energy & Automation, Inc. d. Square D; a brand of Schneider Electric. 2. Fusible Disconnecting Means: a. NEMA KS I, heavy-duty, horsepower-rated, fusible switch with clips or bolt pads to accommodate Class R fuses unless otherwise indicated. b. Lockable Handle: Accepts three padlocks and interlocks with cover in closed position. 3. Auxiliary Contacts: N.O./N.C., arranged to activate before switch blades open. 4. Non-fusible Disconnecting Means: 2. ENCLOSURES a. NEMA KS 1: NEMA KS 1, heavy-duty, horsepower-rated, non-fusible switch. b. Lockable Handle: Accepts three padlocks and interlocks with cover in closed position. c. Auxiliary Contacts: N.O./N.C., arranged to activate before switch blades open. Enclosed Controllers: NEMA ICS 6, to comply with environmental conditions at installed location unless otherwise noted on drawings. 1. Dry and Clean Indoor Locations: Type I. 2. Outdoor Locations: Type 3R. 3. Wash-Down Areas: Type 4X, stainless steel. 4. Other Wet or Damp Indoor Locations: Type Indoor Locations Subject to Dust, Falling Dirt, and Dripping Noncorrosive Liquids: Type ACCESSORIES a. Push Buttons, Pilot Lights, and Selector Switches: NEMA ICS 5; heavy-duty type; factory installed in controller enclosure cover unless otherwise indicated. b. Control Relays: Auxiliary and adjustable time-delay relays. c. Phase-Failure, Phase-Reversal, and Undervoltage and Overvoltage Relays: Solid-state sensing circuit with isolated output contacts for hard-wired connections. Provide adjustable undervoltage, overvoltage, and time-delay settings ENCLOSED CONTROLLERS Page3 of6

128 Johnson County PWSD No.3 Wastewater Collection Treatment Facility Improvements PART 3 -EXECUTION 1. INSTALLATION a. Wall-Mounted Controllers: Install enclosed controllers on walls with tops at uniform height, and with disconnect operating handles not higher than 79 inches above finished floor, unless otherwise indicated, and by bolting units to wall or mounting on lightweight structural-steel channels bolted to wall. For controllers not at walls, provide freestanding racks complying with Section "Hangers and Supports for Electrical Systems." b. Floor-Mounted Controllers: Install enclosed controllers on 4-inch nominal-thickness concrete base. 1. Install dowel rods to connect concrete base to concrete floor. Unless otherwise indicated, install dowel rods on 18-inch centers around the full perimeter of concrete base. 2. For supported equipment, install epoxy-coated anchor bolts that extend through concrete base and anchor into structural concrete floor. 3. Place and secure anchorage devices. Use setting drawings, templates, diagrams, instructions, and directions furnished with items to be embedded. 4. Install anchor bolts to elevations required for proper attachment to supported equipment. c. Fuses: Install fuses in each fusible-switch enclosed controller. d. Heaters: Install heaters in thermal overload relays. Select heaters based on actual nameplate full-load amperes after motors have been installed. e. NECA 1: Comply with NECA IDENTIFICATION Identity enclosed controllers, components, and control wmng. identification specified in Section "Electrical Identification." Comply with requirements for 1. IdentifY field-installed conductors, interconnecting wiring, and components; provide warning signs. 2. Label each enclosure with engraved nameplate. 3. Label each enclosure-mounted control and pilot device. 3. CONTROL WIRING INSTALLATION a. Install wiring between enclosed controllers and remote devices and facility's central control system. Comply with requirements in Section "Control-Voltage Electrical Power Cables." b. Bundle, train, and support wiring in enclosures ENCLOSED CONTROLLERS Page4 o 6

129 Johnson County PWSD No. 3 Wastewater Collection Treatment Facility Improvements c. Connect selector switches and other automatic-control selection devices where applicable. 1. Connect selector switches to bypass only those manual- and automatic-control devices that have no safety functions when switch is in manual-control position. 2. Connect selector switches with enclosed-controller circuit in both manual and automatic positions for safety-type control devices such as low- and high-pressure cutouts, high-temperature cutouts, and motor overload protectors. 4. FIELD QUALITY CONTROL a. General: Perform tests and inspections. b. Acceptance Testing Preparation: 1. Test insulation resistance for each enclosed controller, component, connecting supply, feeder, and control circuit. 2. Test continuity of each circuit. c. Tests and Inspections: 1. Inspect controllers, wiring, components, connections, and equipment installation. Test and adjust controllers, components, and equipment. 2. Test insulation resistance for each enclosed-controller element, component, connecting motor supply, feeder, and control circuits. 3. Test continuity of each circuit. 4. Verify that voltages at controller locations are within plus or minus 10 percent of motor nameplate rated voltages. If outside this range for any motor, notify Engineer before starting the motor(s). 5. Test each motor for proper phase rotation. 6. Perform each electrical test and visual and mechanical inspection stated in NET A Acceptance Testing Specification. Certify compliance with test parameters. 7. Correct malfunctioning units on-site, where possible, and retest to demonstrate compliance; otherwise, replace with new units and retest. 8. Test and adjust controls, remote monitoring, and safeties. Replace damaged and malfunctioning controls and equipment. d. Controllers: Enclosed controllers will be considered defective if they do not pass tests and inspections ENCLOSED CONTROLLERS PageS of6

130 Johnson County PWSD No.3 Wastewater Collection Treatment Facility Improvements e. Test and Inspection Reports: Prepare test and inspection reports. Include notation of deficiencies detected, remedial action taken, and observations after remedial action. 5. DEMONSTRATION Train Owner's maintenance personnel to adjust, operate, and maintain enclosed controllers ENCLOSED CONTROLLERS Page 6 of6

131 Johnson County PWSD No. 3 Wastewater Collection Treatment Facility Improvements INSTRUMENTATION AND ELECTRICAL SUPERVISORY CONTROL AND DATA ACQUISITION (SCADA) SYSTEM PART 1-SCOPE OF WORK a. This section includes the following major components to be furnished by the control system integrator: 1. Motor Control Center (MCC), including: a. Main Control Panel (MCP). See also, Specification Section b. Master Monitoring Equipment c. Uninterruptible Power Supply d. Human Machine Interface with configured software e. Programmable Logic Controller f. Circuit Breaker Panelboard. See also, Specification Section g. Single Phase Transformer. See also, Specification Section h. Coordinate monitoring of Collection System with SCADA system at the Wastewater Treatment Plant. See also, Specification Section i. Motor starters and VFD's with MCC/MCP, See Specification Section and Remote Telemetry Units (RTU) 3. Coaxial Cables with connectors installed 4. Antennas, Towers and/or Masts 5. Dissolved Oxygen and Sludge Control Logic a. Dissolved Oxygen and Rotor Speed Logic b. RAS/W AS/Digester Automation Logic b. The control system integrator shall furnish all of the above items for field installation by the Contractor. The integrator shall furnish all necessary hardware and configured software with composite wiring diagrams and dimensional drawings, in order to insure a complete and operable system INSTRUMENTATION AND SCADA SYSTEM Pagel o 10

132 Johnson County PWSD No. 3 Wastewater Collection Treatment Facility Improvements c. The control system integrator shall be responsible for coordinating equipment wiring and logic with the Contractor in order to make the components function as one system. The Electrical Subcontractor or Electrician shall be responsible for all interwiring between parts of the SCADA System. Such interwiring shall include, but not be limited to, wiring between MCC units and/or sections, wiring between MCP terminal strips and MCC units or external devices, and radio antenna coaxial cable installation. This includes interwiring to local, MCC, and MCP Units. Integrator shall also coordinate final layout of pump station control panels to include SCADA system. PART 2- SYSTEMS INTEGRATOR QUALIFICATIONS a. The work to be accomplished under this section shall be the product of a single control system integrator who has at least five years experience furnishing similar Wastewater Treatment Plant (WWTP) systems. At least one full-time employee of the controls integrator shall have completed a training program conducted by the telemetry manufacturer. b. The control system integrator must meet with the approval of the wastewater process manufacturer. The WWTP manufacturer must direct a letter to the Engineer, listing at least one integrator meeting with the approval of the WWTP manufacturer. This letter must be received by the Engineer no later than twenty days prior to the original advertised bid date. Control integrators must have service personnel, who are full-time employees, residing within 50 miles of the job site. The control integrator must fabricate all control panels per UL Standards. Each control panel shall be Certified UL508 and Labeled accordingly in the control integrators facility. c. Control integrators will not be considered unless they have performed an on-site survey, including a radio path study, and spectrum analyses. The results of this survey, must be received by the Engineer no later than ten days prior to the original advertised bid date. Latitudinal and longitudinal coordinates for each site shall be included in the survey report. The results of this survey will determine whether any Intermediate Remote Terminal Units (repeaters) are required. If required, the survey report shall indicate the coordinates and location of any repeaters. If required, repeaters shall meet all of the specification requirements applicable under Part 5 - Radio Telemetry System. d. Whether a Systems Integrator is qualified will be the ultimate determination of the Engineer. PART 3- MOTOR CONTROL CENTER a. Motor Control Centers shall be NEMA Class II, Type B. The enclosure shall be Type la. with gasketed doors. All wireway and unit doors shall be gasketed. The motor control center shall be U.L. listed per UL 845, and meet the applicable NEMA and ANSI standards. The service entrance motor control center shall have a SUSE label. MCC shall include transient voltage surge suppression (TVSS). TVSS shall include a monitoring display and individual circuit breaker. TVSS shall have a minimum rating of 160KA. b. Structures shall be totally enclosed, free standing assemblies. They shall be approximately 90-inches high and 16-inches deep with front mounted units. Structures shall contain a horizontal wireway at the top and bottom, isolated from the horizontal bus, and shall be readily accessible through a hinged cover. The horizontal wireway shall be free to obstruction from structure. Adequate space for conduit and wiring to enter the top or bottom shall be provided without structural interferences INSTRUMENTATION AND SCADA SYSTEM Page 2 o 10