PACKAGED GENERATORS BATON ROUGE, LOUISIANA SECTION 26 32 13 SECTION 26 32 13 PACKAGED ENGINE GENERATORS PART 1 - GENERAL 1.1 SUMMARY A. This Section includes packaged engine-generator sets for emergency power supply with the following features and accessories: 1. Diesel engine 2. Unit-mounted cooling system 3. Remote-mounting annunciator and stop-switch 4. Outdoor enclosure 5. Battery Charger 6. Muffler 7. Exhaust piping external to set 8. Starting battery 9. Day tank B. Related sections include the following: 1. Division 26 Section "Transfer Switches" for transfer switches including sensors and relays to initiate automatic-starting and -stopping signals for engine-generator sets. 1.2 SUBMITTALS A. Product Data: Include data on features, components, ratings, and performance. Include the following: 1. Dimensioned outline plan and elevation drawings of engine generator set and other components specified. 2. Thermal damage curve for generator 3. Time-current characteristic curves for generator protective device B. Shop Drawings: Indicate fabrication details, dimensions, weights, loads, required clearances, and method of filed assembly, components, and location and size of each field connection. 1. Design Calculations: Signed and sealed by a qualified professional engineer. Calculate requirements for selecting vibration isolators and seismic restraints and for designing vibration isolation bases. 2. Vibration Isolation Base Details: Signed and sealed by a qualified professional engineer. Detail fabrication, including anchorages and attachments to structure and to supported equipment. Include base weights. 3. Wiring Diagrams: Detail wiring for power and control connections and differentiate between factory-installed and field-installed wiring. C. Qualification Data: For firms and persons specified in Quality Assurance Article. D. Field Test and Observation Reports: Indicate and interpret test results and inspection records relative to compliance with performance requirements. E. Certified summary of prototype-unit test report. F. Certified Test Reports: For components and accessories that are equivalent, but not identical, to those tested on prototype unit. SECTION 26 32 13 Page 1 of 11
PACKAGED GENERATORS BATON ROUGE, LOUISIANA SECTION 26 32 13 G. Factory Test Reports: For units to be shipped for this Project, showing evidence of compliance with specified requirements. H. Sound measurement test report. I. Certification of Torsional Vibration Compatibility: Comply with NFPA 110. J. Field test report of tests specified in Part 3. K. Maintenance Data: For each package engine generator and accessories to include in maintenance manuals specified in Division 1. Include the following: L. Detail operating instructions for both normal and abnormal conditions. M. Warranty: Special warranty specified in this Section. 1.3 QUALITY ASSURANCE A. Installer Qualifications: Manufacturer's authorized representative who is trained and approved for installation of units required for this Project. B. Testing Agency Qualifications: Testing agency as defined by OSHA in 29 CFR 1910.7 or a member company of the InterNational Electrical Testing Association and that is acceptable to authorities having jurisdiction. C. Source Limitations: Obtain packaged engine generator and auxiliary components specified in this Section through one source from a single manufacturer. D. Manufacturer Qualifications: A qualified manufacturer. Maintain a service center capable of emergency maintenance and repairs at the Project with eight hours maximum response time. E. 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. F. Comply with ASME B15.1. G. Comply with NFPA 37. H. Comply with NFPA 70. I. Comply with NFPA 99. J. Comply with NFPA 110 requirements for Level 1 emergency power supply system. K. Comply with UL 2200. L. Engine Exhaust Emissions: Comply with applicable state and local government requirements. M. Noise Emission: Comply with applicable state and local government requirements for maximum noise level at adjacent property boundaries due to sound emitted by generator set including engine, engine exhaust, engine cooling-air intake and discharge, and other components of installation. SECTION 26 32 13 Page 2 of 11
PACKAGED GENERATORS BATON ROUGE, LOUISIANA SECTION 26 32 13 1.4 WARRANTY A. 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. 1. Warranty Period: minimum 2 years from date of Substantial Completion. 1.5 DELIVERY, STORAGE, AND HANDLING A. Deliver engine generator set and system components to their final locations in protective wrappings, containers, and other protection that will exclude dirt and moisture and prevent damage from construction operations. Remove protection only after equipment is safe from such hazards. 1.6 MAINTENANCE SERVICE A. Maintenance: At Substantial Completion, begin 12 months full maintenance by skilled employees of the manufacturer s designated service organization. Include quarterly exercising to check for proper, starting, load transfer, and running under load. Include routing preventive maintenance as recommended by manufacturer and adjusting as required for proper operation. Maintenance agreements shall include parts and supplies as used in the manufacture and installation of original equipment. 1.7 EXTRA MATERIALS A. 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. Fuses: One for every ten of each type and rating, but not less than one of each. 2. Indicator Lamps: Two for every six of each type used, but not less than two of each. 3. Filters: One set each of lubricating oil, fuel, and combustion-air filters. PART 2 - PRODUCTS 2.1 MANUFACTURERS A. Available Manufacturers: Subject to compliance with requirements, manufacturers offering products that may be incorporated into the Work include, but are not limited to, the following: B. Manufacturers: Subject to compliance with requirements, provide products by one of the following: C. Basis-of-Design Product: Subject to compliance with requirements, provide [the product indicated on Drawings] <Insert manufacturer's name; product name or designation> or a comparable product by one of the following: 1. Caterpillar, Inc; Engine Div. 2. Generac Power Systems, Inc. 3. Kohler Co.; Generator Division. 4. Onan/Cummins Power Generation; Industrial Business Group. 2.2 ENGINE-GENERATOR SET A. Factory-assembled and -tested, engine-generator set. SECTION 26 32 13 Page 3 of 11
PACKAGED GENERATORS BATON ROUGE, LOUISIANA SECTION 26 32 13 B. Mounting Frame: Maintain alignment of mounted components without depending on concrete foundation; and have lifting attachments. 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: Each major system component is equipped with a conspicuous nameplate of component manufacturer. Nameplate identifies manufacturer of origin and address, and model and serial number of item. 4. Skid: Adequate strength and rigidity to maintain alignment of mounted components without depending on a concrete foundation. Skid is free from sharp edges and corners. Lifting attachments are arranged to facilitate lifting with slings without damaging any components. 5. Rigging Diagram: Inscribed on a metal plate permanently attached to skid. Diagram indicates location and lifting capacity of each lifting attachment and location of center of gravity. D. Generator-Set Performance: 1. Steady-State Voltage Operational Bandwidth: 4 percent of rated output voltage from no load to full load. 2. Transient Voltage Performance: Not more than 20 percent variation for 50 percent step-load 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 250 percent of rated full-load current for not less than 10 seconds and then clear the fault automatically, without damage to generator system components. 8. Start Time: Comply with NFPA 110, Type 10, system requirements 9. Steady-State Voltage Modulation Frequency: Less than 1 Hz. 2.3 ENGINE A. Fuel: Fuel oil, Grade DF-2. B. Rated Engine Speed: 1800 rpm. C. Maximum Piston Speed for Four-Cycle Engines: 2250 fpm (11.4 m/s). D. Lubrication System: Pressurized by a positive-displacement pump driven from engine crankshaft. The following items are mounted on engine or skid: SECTION 26 32 13 Page 4 of 11
PACKAGED GENERATORS BATON ROUGE, LOUISIANA SECTION 26 32 13 1. Filter and Strainer: Rated to remove 90 percent of particles 5 micrometers and smaller while passing full flow. 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 Level 1 equipment for heater capacity. G. Governor: Adjustable isochronous, with speed sensing. H. Engine Cooling System: Closed loop, liquid cooled, with radiator factory mounted on engine-generatorset skid 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: Critical type, sized as recommended by engine manufacturer and selected with exhaust piping system to not exceed engine manufacturer's engine backpressure requirements. 1. Minimum sound attenuation of 25 db at 500 Hz. 2. Sound level measured at a distance of 10 feet (3 m) from exhaust discharge after installation is complete shall be 85 dba or less. J. Air-Intake Filter: Standard-duty, engine-mounted air cleaner with replaceable dry-filter element and "blocked filter" indicator. K. Starting System: 12-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 above. 2. Cranking Cycle: As required by NFPA 110 for system level specified. 3. Battery: Adequate capacity within ambient temperature range specified in Part 1 "Project Conditions" Article above to provide specified cranking cycle at least twice without recharging. 4. Battery-Charging Alternator: Factory mounted on engine with solid-state voltage regulation and 35-A minimum continuous rating. 5. Cranking Motor: Heavy-duty unit that automatically engages and releases from engine flywheel without binding. 6. Battery Cable: Size as required by generator set manufacturer for battery location within generator enclosure. Include required interconnecting conductors/connection accessories. 7. Battery Compartment: Factory fabricated of metal with acid-resistant finish and thermal insulation. Thermostatically controlled heater is arranged to maintain battery above 10 deg C regardless of external ambient temperature within range specified in Environmental Conditions SECTION 26 32 13 Page 5 of 11
PACKAGED GENERATORS BATON ROUGE, LOUISIANA SECTION 26 32 13 Paragraph in Service Conditions Article above. Include accessories required to support and fasted batteries in place. 8. Battery Charger: Current-limiting, automatic-equalizing and float-charging type. Unit shall comply with UL 1236. a. Operation: Equalizing-charging rate of 10 A is initiated automatically after battery has lost charge until an adjustable equalizing voltage is achieved at battery terminals. Unit then automatically switches to a lower float-charging mode and continues operating in that mode until battery is discharged again. b. Automatic Temperature Compensation: Adjusts float and equalizes voltages for variations in ambient temperature from minus 40 deg C to plus 60 deg C to prevent overcharging at high temperatures and undercharging at low temperatures. c. Automatic Voltage Regulation: Maintains output voltage constant regardless of input voltage variations up to plus of minus 10 percent. d. Ammeter and Voltmeter: Flush mounted in door. Meters indicate charging rates. e. Safety Functions: Include sensing of abnormally low battery voltage arranged to close contacts providing low battery voltage indication on control and monitoring panel. Also include sensing of high battery voltage and loss of ac input or dc output of battery charger. Either condition closed contacts that provide a battery-charger malfunction indication at system control and monitoring panel. f. Enclosure and Mounting: NEMA 250, Type 1, mounted in generator enclosure. 2.4 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 level indicator. 2. Capacity: Fuel for eight hours' continuous operation at 100 percent rated power output. 3. Vandal-resistant fill cap. 4. Containment Provisions: Comply with requirements of local AHJ and all applicable standards of the Texas Department of Aging and Disability Services. 2.5 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 on position, generator set starts. 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. Operation of a remote emergency-stop switch also shuts down the generator set. 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 NFPA 110 for a Level 1 system, and the following: 1. AC voltmeter. SECTION 26 32 13 Page 6 of 11
PACKAGED GENERATORS BATON ROUGE, LOUISIANA SECTION 26 32 13 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. Fuel tank derangement alarm. 11. Fuel tank high-level shutdown of fuel supply alarm. 12. 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. Overcrank shutdown. 2. Coolant low-temperature alarm. 3. Control switch not in auto position. 4. Battery-charger malfunction alarm. 5. Battery low-voltage alarm. 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. 2.6 GENERATOR OVERCURRENT AND FAULT PROTECTION A. Generator Circuit Breaker: Molded-case, thermal-magnetic type; 100 percent rated; complying with NEMA AB 1 and UL 489. 1. 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. 2.7 GENERATOR, EXCITER, AND VOLTAGE REGULATOR A. Comply with NEMA MG 1. B. Drive: Generator shaft shall be directly connected to engine shaft. Exciter shall be rotated integrally with generator rotor. C. Electrical Insulation: Class H or Class F. D. Stator-Winding Leads: Brought out to terminal box to permit future reconnection for other voltages if required. SECTION 26 32 13 Page 7 of 11
PACKAGED GENERATORS BATON ROUGE, LOUISIANA SECTION 26 32 13 E. 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. F. Enclosure: Dripproof. G. Instrument Transformers: Mounted within generator enclosure. H. Voltage Regulator: Solid-state type, separate from exciter, providing performance as specified. 1. Adjusting rheostat on control and monitoring panel shall provide plus or minus 5 percent adjustment of output-voltage operating band. I. Strip Heater: Thermostatically controlled unit arranged to maintain stator windings above dew point. J. Windings: Two-thirds pitch stator winding and fully linked amortisseur winding. K. Subtransient Reactance: 12 percent, maximum. 2.8 OUTDOOR GENERATOR-SET ENCLOSURE A. Description: Vandal-resistant, weatherproof steel housing, wind resistant up to 100 mph (160 km/h). 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. B. Engine Cooling Airflow through Enclosure: Maintain temperature rise of system components within required limits when unit operates at 110 percent of rated load for 2 hours with ambient temperature at top of range specified in system service conditions. 1. Louvers: Fixed-engine, cooling-air inlet and discharge. Storm-proof and drainable louvers prevent entry of rain and snow. 2. Automatic Dampers: At engine cooling-air inlet and discharge. Dampers shall be closed to reduce enclosure heat loss in cold weather when unit is not operating. C. Convenience Outlets: Factory wired weatherproof, GFCI. Arrange for external electrical connection. 2.9 FINISHES A. Indoor and Outdoor Enclosures and Components: Manufacturer's standard finish over corrosion-resistant pretreatment and compatible primer. 2.10 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, Level 1 Energy Converters and with IEEE 115. 2. Report factory test results within 10 days of completion of test. SECTION 26 32 13 Page 8 of 11
PACKAGED GENERATORS BATON ROUGE, LOUISIANA SECTION 26 32 13 PART 3 - EXECUTION 3.1 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. C. Install packaged engine generator with elastomeric isolator pads having a minimum deflection of 1 inch (25 mm) on 4-inch- (100-mm-) high concrete base. Secure sets to anchor bolts installed in concrete bases. Concrete base construction is specified in Division 26 Section "Vibration and Seismic Controls for Electrical Systems." D. Install Schedule 40, black steel piping with welded joints and connect to engine muffler. Install thimble at wall. Piping shall be same diameter as muffler outlet. Flexible connectors and steel piping materials and installation requirements are specified in Division 23 Section "Hydronic Piping." 1. Install condensate drain piping to muffler drain outlet full size of drain connection with a shutoff valve, stainless-steel flexible connector, and Schedule 40, black steel pipe with welded joints. Flexible connectors and piping materials and installation requirements are specified in Division 23 Section "Hydronic Piping." E. Electrical Wiring: Install electrical devices furnished by equipment manufacturers but not specified to be factory mounted. F. Piping installation requirements are specified in Division 23 Sections. Drawings indicate general arrangement of piping and specialties. G. Connect fuel, cooling-system, and exhaust-system piping adjacent to packaged engine generator to allow service and maintenance. H. Connect engine exhaust pipe to engine with flexible connector. I. Connect fuel piping to engines with a gate valve and union and flexible connector. 1. Natural-gas piping, valves, and specialties for gas distribution are specified in Division 23 Section "Facility Natural-Gas Piping." 2. LP-gas piping, valves, and specialties for gas piping are specified in Division 23 Section "Facility Liquefied-Petroleum Gas Piping." J. Ground equipment according to Division 26 Section "Grounding and Bonding for Electrical Systems." K. Connect wiring according to Division 26 Section "Low-Voltage Electrical Power Conductors and Cables." L. Identify system components according to Division 23 Section "Identification for HVAC Piping and Equipment" and Division 26 Section "Identification for Electrical Systems." 3.2 FIELD QUALITY CONTROL A. Perform tests and inspections and prepare test reports. SECTION 26 32 13 Page 9 of 11
PACKAGED GENERATORS BATON ROUGE, LOUISIANA SECTION 26 32 13 1. 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 tests recommended by manufacturer and each electrical test and visual and mechanical inspection for "AC Generators and for Emergency Systems" specified in NETA Acceptance Testing Specification. Certify compliance with test parameters. 2. NFPA 110 Acceptance Tests: Perform tests required by NFPA 110 that are additional to those specified here including, but not limited to, single-step full-load pickup test. 3. Battery Tests: Equalize charging of battery cells according to manufacturer's written instructions. Record individual cell voltages. a. Measure charging voltage and voltages between available battery terminals for fullcharging and float-charging conditions. Check electrolyte level and specific gravity under both conditions. b. Test for contact integrity of all connectors. Perform an integrity load test and a capacity load test for the battery. c. Verify acceptance of charge for each element of the battery after discharge. d. Verify that measurements are within manufacturer's specifications. 4. Battery-Charger Tests: Verify specified rates of charge for both equalizing and float-charging conditions. 5. 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. 6. Exhaust Emissions Test: Comply with applicable government test criteria. 7. 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. 8. 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. 9. Noise Level Tests: Measure A-weighted level of noise emanating from generator-set installation, including engine exhaust and cooling-air intake and discharge, at four locations on the property line, and compare measured levels with required values. C. 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. 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 malfunctioning units and retest and re-inspect 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. SECTION 26 32 13 Page 10 of 11
PACKAGED GENERATORS BATON ROUGE, LOUISIANA SECTION 26 32 13 3.3 DEMONSTRATION A. Engage a factory-authorized service representative to train Owner's maintenance personnel to adjust, operate, and maintain packaged engine generators. Refer to Division 01 Section "Demonstration and Training." END OF SECTION 26 32 13 SECTION 26 32 13 Page 11 of 11
AUTOMATIC TRANSFER SWITCH BATON ROUGE, LOUISIANA SECTION 26 36 00 SECTION 26 36 00 - AUTOMATIC TRANSFER SWITCHES PART 1 - GENERAL 1.1 WORK INCLUDED A. Furnish and install an automatic transfer switch for transferring selected emergency loads from normal utility source to on site generator upon loss of normal power and back to utility source upon return of normal power. The transfer switch shall be as indicated on the drawings and as specified herein. The transfer switch together with the package engine generator set specified in Section 16210 shall automatically provide continuous electrical power for the duration of any failure of the normal utility power supply. B. In the event that any item is not available exactly as specified, the contractor shall so notify the Architect in writing as early as possible to allow ample time for an alternate item to be selected without delay to the project. 1.2 SHOP DRAWINGS A. Submit six (6) sets of shop drawings and manufacturer's data which show the following items in tabulated form in accordance with Section 16010. 1. Wiring diagrams (both internal and external) 2. Physical arrangements 3. Accessories list 4. Operating instructions 5. Test data 1.3 ENVIRONMENTAL CONDITIONS A. The equipment specified is intended for application in an environment as described below: 1. Altitude: 564 feet above sea level. 2. Maximum Temperature: 95 degrees F. 3. Minimum Temperature: 2 degrees F. PART 2 - PRODUCTS 2.1 ACCEPTABLE MANUFACTURERS A. Russelectric B. ASCO C. Onan D. Kohler E. Zenith 2.2 RATINGS A. The automatic transfer switch shall have the following ratings when installed at the specified site and all SECTION 26 36 00 Page 1 of 3
AUTOMATIC TRANSFER SWITCH BATON ROUGE, LOUISIANA SECTION 26 36 00 derating factors including those for temperatures and altitude are considered. 1. Current Capacity: as specified. 2. Voltage: 120/208 3. Phase: 3 4. Poles: 3 5. Frequency: 60 Hz 6. Enclosure: NEMA 1 wall mounted. 2.3 QUALIFICATIONS OF SUPPLIERS A. The transfer switch shall be manufactured by a company who is regularly engaged in the manufacture of similar units and who has been in business for at least ten (10) years. B. The local representative of the transfer switch equipment shall have full service capability for the equipment including a factory trained technician located within one hours drive from job site, equipment to service and test the transfer switch. 2.4 COORDINATION WITH OTHER EQUIPMENT A. The equipment supplied under this section shall be fully coordinated with and form a complete operational system with equipment supplied under other sections. The contractor shall coordinate between suppliers to insure compatibility of equipment for the intended function. 2.5 AUTOMATIC TRANSFER A. The transfer switch shall be inherently double pole and shall be actuated by a single electrical operator, either solenoid or motor device. B. The switch shall be mechanically interlocked to assure only one position can be obtained (normal or emergency) and that no intermediate positions can be obtained. C. The electric operator shall be energized from the source to which the load is to be transferred. D. Contacts shall be silver alloy complete with arc chutes. E. A manual operator with handle shall be furnished with mechanism to insure acceptable transfer time when manually activated. F. Controls shall be either electro-mechanical or electronic. Controls shall be capable of being accurately field adjusted without need for special testing or timing apparatus. Controls may be mounted in switch cabinet or on cabinet door but must be accessible while energized with complete operator safety. G. Switches which are manufactured using circuit breakers or parts of circuit breakers as main contact mechanisms are not acceptable. H. Where neutral is switched, the neutral contacts shall be full phase capacity. Nonoverlapping neutral contacts are preferred, however, overlapping neutral contacts are acceptable providing overlap time does not exceed 100 milliseconds. I. The automatic transfer switch or prototype thereof shall have passed all requirements of UL Standard UL1008 as a complete enclosed unit. J. The automatic transfer switch shall be provided with the following accessories. 1. Time delay to override momentary outages, adjustable 0-5 min. 2. Time delay retransfer to normal source, adjustable 0-30 min. with bypass push-button. 3. Unloaded running time delay (cool down) adjustable 0-5 min. 4. Time delay transfer to emergency, adjustable 0-1 min. SECTION 26 36 00 Page 2 of 3
AUTOMATIC TRANSFER SWITCH BATON ROUGE, LOUISIANA SECTION 26 36 00 5. Close differential voltage sensing on all phases of normal source, adjustable. 6. Engine start contact. 7. Test switch to simulate source failure with "load-no load" selector. 8. Auxiliary contacts on shaft: 1 closed in normal position. 1 closed in emergency position. 9. Exercise timer. K. Lugs for connection of power conductors shall be provided to accommodate the cabling indicated on the drawings. L. The enclosure shall be fabricated of heavy gauge sheet steel and shall be finish painted in accordance with the manufacturer s standards. Enclosures shall be suitable for the intended environment. Enclosures for indoors shall be NEMA 1. Suitable room for cable termination and bending shall be provided. Pilot devices for control functions shall be mounted on the front of the hinged door and shall be clearly labeled with black lamacoid nameplates with white letters screwed to the sheet steel. Pilot devices shall be of the "oil-tight" type. Miniature type lights and switches are not acceptable. PART 3 - EXECUTION 3.1 INSTALLATION A. Install the automatic transfer switch in accordance with the drawings and these specifications. Make all necessary connections. B. Final connections and control checkout shall be done under supervision of equipment manufacturer's field representative. C. Manufacturer's wiring diagrams shall be used to connect the equipment. All wiring and conduit shall be as called for in these specifications. 3.2 TESTING A. Manufacturers standard factory tests shall be performed prior to shipment. Records of these tests shall be certified and submitted to the Architect/Engineer for his review. B. On site tests shall be performed as follows: 1. Control check to show that all control functions are operational. Provide certified documentation of results of this test. 2. Load building testing, as specified in Section 16210, shall be done with the transfer switch specified herein connected to the system and operational. During and immediately after the testing, the transfer switch shall be inspected for evidence of overheating and malfunction. Any abnormalities shall be reported to the Architect. 3.3 WARRANTY A. The total equipment installation shall be warranted for a period of one year from date of final test or acceptance. All parts and labor shall be covered under the terms of the warranty. END OF SECTION SECTION 26 36 00 Page 3 of 3
SURGE PROTECTION DEVICES BATON ROUGE, LOUISIANA SECTION 26 43 13 SECTION 26 43 13 - SURGE PROTECTION DEVICES (SPD s) PART 1 GENERAL 1.1 SCOPE A. These specifications describe the electrical and mechanical requirements for a hybrid electrical Surge Protection Device/filter system integrating both surge protection devices(spd s) and electrical high frequency noise filtering for exposure locations as defined in the latest edition of ANSI/IEEE C62.41. 1.2 REFERENCE STANDARDS A. ANSI/IEEE C.62.41 and C62.45 B. UL 1449 3rd Edition 2009 Revision (effective 9/29/2009) C. UL 1283 D. NEC NFPA 70 E. NEMA LS1 and LS2 F. NFPA G. OSHA H. IEEE Std. 1100 1.3 QUALITY ASSURANCE A. The unit shall be designed and assembled in the USA by a qualified manufacturer of TVSS products and line conditioning equipment. The manufacturer shall have been engaged in the design and manufacture of such products for a minimum of 10 years. 1.4 SUBMITTALS A. Submittals shall be in accordance with Division 1 and shall include: 1. Manufacturer's catalog information showing dimensions, configurations, and specifications. 2. Copies of independent test reports UL 1449 and NEMA LS1 and LS2. B. Provide actual UL 1449, Third edition Type 1 20kA nominal discharge current documentation showing the Voltage Protection Ratings (VPR) as well all engineering considerations for the specific catalog number submitted. Typical UL 1449 data is not acceptable. SECTION 26 43 13 Page 1 of 7
SURGE PROTECTION DEVICES BATON ROUGE, LOUISIANA SECTION 26 43 13 C. Provide third party test documentation demonstrating that the device is capable of surviving the specified maximum surge current rating without failure or component degradation greater than 10%. Test documentation shall clearly show that tests were performed on a complete device including all necessary fusing and disconnects. D. Provide data confirming that the device is capable of surviving the published number of repetitive ANSI/IEEE 62.41, Category C3, 20kV/10KA impulses without failure or performance degradation. E. Provide test documentation demonstrating that the device is capable of surviving the specified short circuit fault current rating. F. Provide a complete test documentation package per the recommendations of NEMA LS1 and LS2. G. Line by Line compliance matrix demonstrating adherence to these specifications. PART 2 PRODUCTS 2.1 ACCEPTABLE MANUFACTURERS A. Liebert Corporation B. Current Technology C. Siemens D. Square D E. Cutler Hammer 2.2 SERVICE ENTRANCE SWITCHBOARD (1200 amperes and LARGER) Protective DEVICE A. General 1. Unit Operating Voltage. The nominal unit operating voltage and configuration shall be as indicated on the drawings. 2. Maximum Continuous Operating Voltage (MCOV). The MCOV shall be greater than 115% of nominal voltage for all products. 3. Operating frequency range shall be 47-63 Hertz. 4. Surge Rating shall be 200kA per mode 5. Monitoring System shall include as a minimum, this monitoring shall include one set of status monitoring lights that will provide visual indication of voltage present to the SPD for each phase of protection. The lights shall also indicate when suppressor protection has degraded to any value of less than 50%. Status indicator lights that simply indicate the presence of voltage, and provide no indication of performance, will be unacceptable. Additionally, the unit shall include an audible alarm with battery backup, a current-sensing surge counter, and two sets of Form C contacts for remote monitoring. Additionally, the unit shall include a visual status of suppression protection available, shown in a percentage from 0% to 100%; indication of the number of swells (voltage > 110% of nominal); surges (voltage > 130% of peak voltage); sags (voltage < 90% of nominal); and outages (power interruptions > 1 cycle) the device has encountered. 6. Acceptable Products shall be, no substitutions: SECTION 26 43 13 Page 2 of 7
SURGE PROTECTION DEVICES BATON ROUGE, LOUISIANA SECTION 26 43 13 a. Liebert # SI040 Series b. Current Technology # TG200 Series. B. Physical 1. Enclosure: The specified system shall be provided in a heavy duty NEMA 4 dust-tight, drip-tight enclosure with no ventilation openings. 2. Provide a plastic lexan cover with lock for outdoor applications. C. Electrical 1. Unit shall be UL1449, 3rd Edition (September 29, 2009) Type 1 20kA nominal discharge current Listed. A SPD that is a UL Recognized component will not be accepted. 2. Each surge suppression and filter element shall be individually fused so that a failure of one element and/or fuse shall not affect nor operate any other fuse element. SPD shall have a shortcircuit rating of 200kAIC. Devices that accomplish this rating by requiring or providing additional fusing to the SPD system will not be accepted. 3. All fusing elements shall be UL Listed or Recognized as a complete fusing system. 4. Unit shall include solid-state, long-life externally mounted LED visual status indicators that indicate the on-line status and operational integrity of the unit. 5. Unit shall have a Form C summary alarm output contact rated for at least 1 amp at 120VAC for remote annunciation of SPD status. D. Performance 1. Rated Single Pulse Surge Current Capacity. The rated single pulse surge current capacity, in amps, for each mode of protection of the unit shall be no less than 200,000 Amps per mode, based on ANSI/IEEE C62.41 Standard 8X20 µsec current waveform. 2. Tested Single Pulse Surge Current Capacity. Suppression filter systems shall be single pulse surge current tested in all modes at rated surge currents by an industry-recognized independent test laboratory. The test shall include a UL1449 Third Edition surge defined as a 1.2X50 µsec, 6000V open circuit voltage waveform and an 8X20 µsec, 3000A short circuit current waveform to benchmark the unit s suppression voltage, followed by a single pulse surge of maximum rated surge current magnitude with an 8X20 µsec waveform. To complete the test, another UL1449 surge shall be applied to verify the unit s survival. Survival is achieved if the suppression voltage measured from the two UL1449 surges does not vary by more than 10%. 3. Minimum Life Cycle Rating. Per ANSI/IEEE C62.41 and ANSI/IEEE C62.45, Test suppression filter systems in every mode utilizing a 1.2X50 µsec, 20 KV open circuit voltage, 8X20 µsec, 10 KA short circuit current Category C3 bi-wave at one minute intervals without suffering performance degradation of more than 10% deviation of clamping voltage. Tested life under these conditions shall be no less than 5,000 impulses per mode. 4. UL1449Voltage Protection Rating. All suppression filter system clamping voltages shall be in compliance and listed by UL1449 3rd edition Type 1 with a nominal discharge current of 20kA. Maximum listed clamping voltages shall be as follows: a. Unit shall provide maximum UL1449 3rd Edition Voltage Protection Rating (VPR) for 208Y/120 Volt systems as follows: L-N = 700V L-G = 700V N-G = 700V L-L = 1000V b. Unit shall provide maximum UL1449 3rd Edition Voltage Protection Rating (VPR) for 480Y/277 Volt systems as follows: L-N = 1000V L-G = 1200V N-G = 1000V L-L = 1800V SECTION 26 43 13 Page 3 of 7
SURGE PROTECTION DEVICES BATON ROUGE, LOUISIANA SECTION 26 43 13 5. Noise Attenuation - The unit shall be UL1283 in Type 2 locations Listed as an electromagnetic interference filter. The filter shall provide 41dB at 100kHz, 31dB at 1MHz, 35dB at 10MHz, 53dB at 100MHz, per 50 Ohm Insertion Loss Methodology from MIL 220A. The system shall provide up to 120-dB insertion loss from 100 khz to 100 MHz when used in a coordinated facility system. 6. Overcurrent Protection - Each suppression element shall be individually fused such that the failure of a single component or the operation of a single fuse element remains isolated and does not render the entire mode, or product, deficient by more than 5%. Fusing shall be present in all modes, including Neutral-to-Ground. The device shall be capable of withstanding the full single pulse surge current capacity for every mode without the operation or failure of overcurrent / fault current protection or fuses. 7. Internal Conductor Path. All full magnitude transient current shall be conducted utilizing lowimpedance copper bus bar. No plug-in component modules or quick-disconnect terminals shall be used in surge current-carrying paths. 2.3 DISTRIBUTION PANEL (400 AMPERES TO 1200 AMPERES) Protective DEVICE A. General 1. Unit Operating Voltage. The nominal unit operating voltage and configuration shall be as indicated on the drawings. 2. Maximum Continuous Operating Voltage (MCOV). The MCOV shall be greater than 115% of nominal voltage for all products. 3. Operating frequency range shall be 47-63 Hertz. 4. Surge Rating shall be 80kA per mode 5. Monitoring shall include: As a minimum, this monitoring shall include one set of status monitoring lights that will provide visual indication of voltage present to the SPD for each phase of protection. The lights shall also indicate when suppressor protection has degraded to any value of less than 50%. Status indicator lights that simply indicate the presence of voltage, and provide no indication of performance, will be unacceptable. Additionally, the unit shall include an audible alarm with battery backup, and a set of Form C contacts for remote monitoring. 6. Acceptable Products shall be, no substitutions: a. Liebert #AII Series. b. Current Technology #TG80 Series. B. Physical 1. Enclosure: The specified system shall be provided in a heavy duty NEMA 4 dust-tight enclosure with no ventilation openings. 2. Provide a plastic lexan cover with lock for outdoor applications. C. Electrical 1. Unit shall be UL1449, 3rd edtion (September 29, 2009) Type 1 with a nominal discharge current of 20kA Listed. A SPD that is a UL Recognized component will not be accepted. 2. Each surge suppression and filter element (MOV) shall be individually fused so that a failure of one element and/or fuse shall not affect nor operate any other fuse element. SPD shall have a short-circuit rating of 200kAIC. Devices that accomplish this rating by requiring or providing additional fusing to the SPD system will not be accepted. 3. All fusing elements shall be UL Listed or Recognized as a complete fusing system. 4. Unit shall include solid-state, long-life externally mounted LED visual status indicators that indicate the on-line status and operational integrity of the unit. 5. Unit shall have a Form C summary alarm output contact rated for at least 1 amp at 120VAC for remote annunciation of SPD status. SECTION 26 43 13 Page 4 of 7
SURGE PROTECTION DEVICES BATON ROUGE, LOUISIANA SECTION 26 43 13 D. Performance 1. Rated Single Pulse Surge Current Capacity. The rated single pulse surge current capacity, in amps, for each mode of protection of the unit shall be no less than 80,000 Amps per mode. 2. Tested Single Pulse Surge Current Capacity. Suppression filter systems shall be single pulse surge current tested in all modes at rated surge currents by an industry-recognized independent test laboratory. The test shall include a UL1449 Third Edition surge defined as a 1.2X50 µsec, 6000V open circuit voltage waveform and an 8X20 µsec, 3000A short circuit current waveform to benchmark the unit s suppression voltage, followed by a single pulse surge of maximum rated surge current magnitude with an 8X20 µsec waveform. To complete the test, another UL1449 surge shall be applied to verify the unit s survival. Survival is achieved if the suppression voltage measured from the two UL1449 surges does not vary by more than 10%. 3. Minimum Life Cycle Rating. Per ANSI/IEEE C62.41 and ANSI/IEEE C62.45-1992, Test suppression filter systems in every mode utilizing a 1.2X50 µsec, 20 KV open circuit voltage, 8X20 µsec, 10 KA short circuit current Category C3 bi-wave at one minute intervals without suffering performance degradation of more than 10% deviation of clamping voltage at the specified surge current. Tested life under these conditions shall be no less than 4,000 impulses per mode. 4. UL1449Voltage Protection Rating. All suppression filter system clamping voltages shall be in compliance and listed by UL1449. Maximum listed clamping voltages shall be as follows: a. Unit shall provide maximum UL1449 3rd Edition Voltage Protection Rating (VPR) for 208Y/120 Volt systems as follows: L-N = 600V L-G = 700V N-G = 600V L-L = 900V b. Unit shall provide maximum UL1449 3rd Edition Voltage Protection Rating (VPR) for 480Y/277 Volt systems as follows: L-N = 1000V L-G = 1000V N-G = 900V L-L = 1800V 5. Noise Attenuation. The unit shall be UL1283 Listed in Type 2 locations as an electromagnetic interference filter. The filter shall provide 30dB at 100kHz, 60dB at 500kHz, 40dB at 1MHz, 12dB at 10MHz, per 50 Ohm Insertion Loss Methodology from MIL 220A. The system shall provide up to 120- db insertion loss from 100 khz to 100 MHz when used in a coordinated facility system. 6. Overcurrent Protection. Each suppression element shall be individually fused such that the failure of a single component or the operation of a single fuse element remains isolated and does not render the entire mode, or product, deficient by more than 5%. Fusing shall be present in all modes, including Neutral-to- Ground. The device shall be capable of withstanding the full single pulse surge current capacity for every mode without the operation or failure of overcurrent / fault current protection or fuses. 2.4 BRANCH PANEL (100 amperes to 225 amperes) Protective DEVICE A. General 1. Unit Operating Voltage. The nominal unit operating voltage and configuration shall be as indicated on the drawings. 2. Maximum Continuous Operating Voltage (MCOV). The MCOV shall be greater than 115% of nominal voltage for all products. 3. Operating frequency range shall be 47-63 Hertz. 4. Surge rating shall be 65kA per Mode 5. Monitoring: Status LED s and Form C contacts. 6. Acceptable Products shall be, no substitutions: a. Current Technology #TG60 Series. b. Liebert #ACV Series. SECTION 26 43 13 Page 5 of 7
SURGE PROTECTION DEVICES BATON ROUGE, LOUISIANA SECTION 26 43 13 B. Physical 1. Enclosure: The specified system shall be provided in a heavy duty NEMA 4 dust-tight, drip-tight enclosure with no ventilation openings. 2. Provide a plastic lexan cover with lock for outdoor applications. C. Electrical 1. Unit shall be UL1449, 3rd Edition (September 29, 2009) Type 1 20kA nominal discharge current Listed. A SPD that is a UL Recognized component will not be accepted. 2. Unit shall include solid-state, long-life externally mounted LED visual status indicators that indicate the on-line status and operational integrity of the unit. 3. Unit shall have a Form C summary alarm output contact rated for at least 1 amp at 120VAC for remote annunciation of SPD status. D. Performance 1. Rated Single Pulse Surge Current Capacity. The rated single pulse surge current capacity, in amps, for each mode of protection of the unit shall be no less than 65,000 Amps per mode. 2. Tested Single Pulse Surge Current Capacity. Suppression filter systems shall be single pulse surge current tested in all modes at rated surge currents by an industry-recognized independent test laboratory. The test shall include a UL1449 Third Edition surge defined as a 1.2 X 50 µsec, 6000V open circuit voltage waveform and an 8X20 µsec, 3000A short circuit current waveform to benchmark the unit s suppression voltage, followed by a single pulse surge of maximum rated surge current magnitude with an 8X20 µsec waveform. To complete the test, another UL1449 surge shall be applied to verify the unit s survival. Survival is achieved if the suppression voltage measured from the two UL1449 surges does not vary by more than 10%. 3. Minimum Life Cycle Rating. Per ANSI/IEEE C62.41 and ANSI/IEEE C62.45-1992, Test suppression filter systems in every mode utilizing a 1.2X 50 µsec, 20 KV open circuit voltage, 8X20 µsec, 10 KA short circuit current Category C3 bi-wave at one minute intervals without suffering performance degradation of more than 10% deviation of clamping voltage at the specified surge current. Tested life under these conditions shall be no less than 2,500 impulses per mode. 4. UL1449 Voltage Protection Rating. All suppression filter system clamping voltages shall be in compliance and listed by UL1449. Maximum listed clamping voltages shall be as follows: a. Unit shall provide maximum UL 1449 3rd Edition Voltage Protection Rating (VPR) for 208Y/120 Volt systems as follows: L-N = 600V L-G = 700V N-G = 600V L-L = 900V b. Unit shall provide maximum UL1449 3rd Edition Voltage Protection Rating (VPR) for 480Y/277 Volt systems as follows: L-N = 1000V L-G = 1000V N-G = 900V L-L = 1800V 5. Noise Attenuation the unit shall be UL 1283 for type 2 locations Listed as an electromagnetic interference filter. The filter shall provide 30dB at 100kHz, 60dB at 500kHz, 40dB at 1MHz, 12dB at 10MHz, per 50 Ohm Insertion Loss Methodology from MIL 220A. The system shall provide up to 120- db insertion loss from 100 khz to 100 MHz when used in a coordinated facility system. SECTION 26 43 13 Page 6 of 7