UTILITY DISTRIBUTION AND CANOPY VENTILATING SYSTEMS

Transcription

1 SECTION UTILITY DISTRIBUTION AND CANOPY VENTILATING SYSTEMS PART 1 GENERAL 1.01 SUMMARY A. Section Includes: Utility distribution systems (UDS), canopy ventilating systems with automatic wash-down or dry baffle filters, accessories complete with necessary fittings, appurtenances, and specified attachments for proper operation, as intended by the equipment manufacturer, as indicated by drawings and schedules, and as specified. B. Related Sections: Steel Joists Metal Fabrications Flashing and Sheet Metal Sealants and Caulking Acoustical Ceilings Custom Fabricated Equipment Cooking Equipment Food Preparation, Holding, and Dispensing Equipment Kitchen Hood and Duct Fire Protection Ductwork Automatic Fire Detection and Alarm System. 12. Division 15 - Related water supply, drainage, and piping. 13. Division 16 - Related electrical connections REFERENCES A. Comply with applicable standards of the following: 1. National Sanitation Foundation (NSF). 2. Underwriters Laboratories (UL). 3. National Electrical Manufacturers Association (NEMA). 4. National Fire Protection Association (NFPA). a. 17A. b National Electric Code (NEC). c National Fire Alarm Code. d American Gas Association (AGA). 6. Florida Building Code (FBC)- Gas. 7. Florida Statutes (FS) 633. Project Name M-DCPS MASTER July 01 Project No. SPECIFICATION GUIDELINES

2 8. State Fire Marshal (SFM) Rule 4A SYSTEM DESCRIPTION A. Special Requirements: 1. Modify accepted manufacturers standard items or construction as necessary to comply with the following special requirements: a. Gas: 1) Design of quick disconnects furnished for connection of gas hoses from appliances shall not allow connection of hoses to other utilities, even if they are the same size. 2) Provide UDS with factory installed, internally looped gas piping with a single service connection. 3) Size piping according to the Florida Building Code - Gas. b. Labels, Wiring Diagrams, and Plumbing Diagrams: 1) Labels: Two color laminated plastic with engraved lettering characters permanently fixed to the raceway or ventilator and according to the following: a) Emergency/Warning: Not less than 5/16" high. b) Breakers and Receptacle Plate Identification: Not less than 1/4" high. c) Plumbing/Gas Connection Sizes and Locations: Not less than 1/4" high. d) Component Identification/Location/ Instructions: Not less than 1/4" high. 2) Label remote breakers to identify the equipment served. 3) Provide breaker with a label indicating amperage, voltage, and phase of breaker, item number, and type of equipment to be connected. 4) Provide receptacle plates located beneath raceways or otherwise hidden from normal view with a duplicate identification label located in plain view designating the location of the plate. 5) Color code and word or letter identify Project No. SPECIFICATION GUIDELINES

3 utilities behind each side access panel in a raceway. 6) Clearly label location of concealed shutoffs, fuses, circuit breakers, and other components requiring periodic maintenance, service, or adjustment on the external portion of raceway or chase. 7) Provide appropriate "EMERGENCY" or "WARNING" signs as required. 8) Submit proposed signage as to content and location to A/E for review as a part of shop drawing submittal. c. Main Disconnect: Provide main electric service disconnect switch in service riser. d. Underhood Raceway Flush Side Access Panels: 1) Pan formed 16 gage stainless steel. 2) Watertight without gasketing. 3) Where a component requiring periodic access for maintenance, service, or adjustment is located behind a side access panel in the raceway, the side panel shall not exceed 48 inches in length. 4) Locate any fuse or breaker provided for circuit protection in the raceway, either external or in the riser behind a labeled and hinged access door. e. Underhood Raceway Vertical Service Riser Access Panels: 1) Pan formed 16 gage stainless steel. 2) Watertight without gasketing using die formed return bend framing and be self draining to the exterior of the raceway (vertical riser). 3) Access Panel Screws: May be hex head with screwdriver slot or oval. f. Indicator Lights: 1) Snap-in or screw-in incandescent type with slip-on or screw-on terminals. g. Breaker and Receptacle Plates: 1) Provide each breaker or receptacle plate with a separate spring coiled ground wire, 12 to 18 inches long, to maintain ground Project No. SPECIFICATION GUIDELINES

4 when plate is removed from its raceway mounting. 2) Provide each receptacle plate with hinged waterproof cover over receptacle. 3) Provide breaker or receptacle plates located within 24 inches of floor or in a wet location with a hinged waterproof cover. 4) Breaker switch shall show "RED" when tripped. 5) Bolt breaker power leads to individual connections on the copper bus. h. Safety: 1) Provide single- and two-pole breakers (120/208 single phase) up to 30 amps with GFI (Ground Fault Interruption) according to NEC for personnel protection. 2) Provide manual trip mechanism for shutoff of main electric service to the raceway. Conceal in either end riser. 3) Insulate each individual bus bar for its full length. 4) Provide a UL listed gas solenoid valve downstream from the 1/4 turn manual gas ball shutoff valve for electrically operated gas fire fuel shutoff. 5) Except where a sealed compartment has been created due to construction of the raceway, enclose the back of all electrical switches, breakers, lights, bus bars, receptacles, and the like, located within the vertical risers and riser extension, in separate stainless steel watertight enclosures. 6) UL listed special purpose power supply cord and plug sets shall be twist lock type. i. Color Coding: 1) Gas: Yellow. 2) HW: Red. 3) CW: Blue. j. Wiring and Plumbing Schematics: Affix to inside of access panels for raceways, control boxes, disconnect controls, and the like and indicate location of these on shop drawings submitted for acceptance. k. Other: Project No. SPECIFICATION GUIDELINES

5 1.04 SUBMITTALS 1) Components used in raceways, chases, and controls shall be readily obtainable locally. 2) Electrical components shall not require soldering to connect or install. A. Submit properly identified manufacturers name, product descriptive data, mechanical/electrical connections required, information necessary for review of standard catalog items, and published installation instructions before starting work. B. Submit shop drawings consisting of plans, elevations, and large scale sections of each piece of equipment showing accurate dimensions taken from actual field measurements, suitable for the fabrication of all items specified and required. C. Submit bound maintenance manual with insert section for each item of operational equipment. Include product data, operating/maintenance instructions, parts listing, product warranty, and all applicable information. D. Submit proposed list of signs and indicate where each will be on the raceway or ventilator. E. Certificates: 1. Submit manufacturers certificate(s) that all materials meet or exceed specified requirements. 2. Submit other certificate(s) as requested by A/E QUALITY ASSURANCE A. Manufacturer: Company specializing in the manufacture of utility distribution and canopy ventilating systems, with 10 years minimum satisfactory experience. 1. Provide equipment manufactured by one manufacturer except where otherwise noted, uniform throughout as to method and type of construction used. 2. Manufacturers Nameplates: Identify equipment and units with manufacturers name and model number. Show electrical characteristics on nameplates. B. Installer: Company specializing in the installation of utility distribution and canopy ventilating systems, with 5 years minimum satisfactory experience. Project No. SPECIFICATION GUIDELINES

6 1.06 DELIVERY, STORAGE, AND HANDLING A. Transport products in manufacturers unopened, original dry containers/packaging to avoid damage during shipment, with tags and labels intact and legible, for timely installation and application. Immediately inspect for and note any damage to products, both visible and possibly concealed, on the carriers bill-of-lading, for full compensation and timely reordering of products, as necessary. B. Provide equipment and personnel to handle materials and product assemblies to prevent damage from dropping, careless storage, and handling. C. Store materials and products above grade, on proper dunnage and dry, fully protected from damage by other work and the elements until in place, and then fully protected until time of substantial completion, according to the manufacturers published instructions WARRANTY A. Guarantee work and remedy any defects due to faulty materials or labor for one year from the date of project acceptance. PART 2 PRODUCTS 2.01 MANUFACTURERS A. Utility Distribution, Canopy Ventilating Systems, and UL Listed Grease Extractors: 1. Caddy Corporation, Bridgeport, NJ. 2. Captive-Aire Systems, Inc., Youngsville, NC. 3. Carroll Manufacturing, Florham Park, NJ. 4. Duo Air, Auburndale, FL. 5. Gaylord Industries, Tualatin, OR. 6. Vent Master, Cypress, TX CANOPY VENTILATING EQUIPMENT ****** ***** **** *** ** * ** *** **** ***** ****** NOTE TO SPECIFIER: Select dry baffle filter type canopy ventilating systems in the following paragraph only at existing facilities according to program requirements. ****** ***** **** *** ** * ** *** **** ***** ****** A. Canopy Ventilating System: Project No. SPECIFICATION GUIDELINES

7 1. (Automatic Wash-down) (Dry Baffle Filter Type), island location, and double-faced. ****** ***** **** *** ** * ** *** **** ***** ****** NOTE TO SPECIFIER: Verify canopy dimensions in the following paragraph according to program requirements. ****** ***** **** *** ** * ** *** **** ***** ****** 2. Canopy Exhaust and Non-tempered Makeup Air System, long x wide x high with angle framing and factory installed UL Standard 300 listed wet chemical automatic fire suppression system (AFSS). 3. Supply/exhaust fan package, curbs, plenums and ductwork furnished and installed under Division Ventilating System: a. Exhaust velocity at entrance to horizontal slots shall be not less than 600 fpm. b. Static pressure at duct collar opening not less than 1.5" W.G. ****** ***** **** *** ** * ** *** **** ***** ****** NOTE TO SPECIFIER: Verify dimensions in the following paragraph according to program requirements. ****** ***** **** *** ** * ** *** **** ***** ****** c. Provide 2 sections, each section long x wide, all suspended with bottom of canopy 6'-8" above finished floor. d. Provide with integral outdoor air supply plenums along both front faces of each long side of the ventilator assembly. e. Provide UL listed fluorescent lights and identification label. 5. Exhaust and Supply Air Volumes: a. Exhaust: 2,100 cfm at 1.7" S.P. each side of ventilator, 4,200 cfm total. b. Supply: 1,680 cfm at 0.15" S.P. each side of ventilator, 3,360 cfm total. 6. Exhaust and Supply Air Duct Collars: a. Exhaust: 10 inches x 17 inches (one each side of ventilator). b. Supply: 12 inches x 28 inches (one each side of ventilator). Project No. SPECIFICATION GUIDELINES

8 7. Canopy Construction: a. Material: 16 gage, Type 304 stainless steel with #4 polished satin finish. b. Seams, Joints, and Penetrations: As noted in the following paragraph, according to specific requirements of Section of NFPA 96: 1) "Seams, joints, and penetrations shall have a liquid tight continuous external weld. Penetrations may also be sealed by other listed devices evaluated under the same conditions of fire severity as the hood or enclosure of listed grease extractors whose presence does not detract from the hoods or ducts structural integrity." c. Welded Seams, Joints, and Penetrations Exposed to View: Grind and polish to original #4 polished satin finish of the stainless steel hood or duct material. d. UL listed devices used for the grease tight seal of penetrations in place of required liquid tight continuous external weld shall be UL listed mechanical bulkhead fitting. 8. Canopy Support Rods: a. 1/2" diameter cadmium plated threaded support rods complete with cadmium plated turnbuckles for leveling. b. Design the canopy to be hung from building structural system connected to mounting brackets welded to the top of the canopy. c. Provide approved connections to building structural system, indicating proposed type and design on shop drawing submittal. 9. Canopy Mounting Brackets: Provide six 12 gage Type 304 stainless steel mounting brackets with each canopy section, integrally welded to the top of the canopy. 10. Canopy Angle Framing Assembly: Refer to 1.03 System Description - Special Requirements. 11. Canopy Supply Air Plenum: a. Max Discharge Velocity: 150 fpm: b. Integral and full length along both front sides of ventilator assembly. Project No. SPECIFICATION GUIDELINES

9 c. Fully insulated with self-adhesive, noncombustible, noncorroding insulation. d. Air supply through perforated stainless steel removable panels. 12. Canopy Grease Extracting Baffle Plate Assembly: a. Provide grease extracting baffle plate assembly (horizontal type extraction) the full length of each canopy section. 1) Baffle plate assembly shall be an integral component of the extractor plenum. 2) Front access cover shall be hinged, nonremovable if over a non-food zone according to NSF. Use "T" handle access if over food or splash zones. 13. Automatic Wash-down Type: a. Wash-down Manifold Assembly: 1) Pre-plumb full length of each section with appropriate spray nozzles. 2) Pre-plumb manifolds to one connection point on the top of the canopy assembly. b. Canopy Drain Assemblies: 1) Pitch each drain trough to a 1-1/2" stainless steel threaded outlet pipe. 2) Interconnect the threaded outlets to one drain point for field connection to air gap drain at floor in vertical riser, end cap "A". 14. Dry Baffle Filter Type: a. Hood shall incorporate a full-length semiconcealed grease gutter sloping to a removable grease cup. b. Provide 2 sets of filters and other removable components requiring periodic cleaning. 15. Canopy Lights: a. UL listed recessed fluorescent with 48 inch long double tubes. b. One at each section and prewired to one connection point. Project No. SPECIFICATION GUIDELINES

10 16. Pre-drill each canopy corner mounting bracket and the center mounting bracket along both long sides of each section to accept each support rod. B. Wet Chemical Automatic Fire Suppression System (AFSS): 1. According to the requirements of: a. National Fire Protection System (NFPA) 1) 17A. 2) 70. 3) 72 - National Electric Code (NEC). 4) 96 - National Fire Alarm Code. b. Florida Statutes (FS) 633. c. State Fire Marshal (SFM) Rule 4A-21. d. UL Standard 300 listed wet chemical automatic fire suppression (extinguishing) systems for the protection of grease removal devices, hoods, duct systems, and under hood cooking equipment. 1) The portion of the extinguishing system for the protection of grease removal devices and hoods may be omitted if all cooking equipment is served by a listed exhaust hood containing a constant or fire-actuated listed water-wash down system to extinguish a fire in grease removal devices and hoods. The water-wash down system shall not adversely affect the operation of the extinguishing system for the duct and cooking equipment. 2) The portion of the extinguishing system for the protection of the duct system may be omitted if all the cooking equipment is served by a listed exhaust hood, with or without damper, and a constant or fireactuated listed water-wash down system to extinguish a fire in the duct system. 2. Automatic Wet Chemical Fire Suppression System (AFSS): a. Manufacturers: 1) Amerex KP ) Kidde Fenwal WHDR Series. 3) Pyro Chem PCL Series. Project No. SPECIFICATION GUIDELINES

11 b. Extinguishing agent cylinder shall be stored pressure type with a pressure indicating gauge device. Cartridge type systems with an unpressurized extinguishing agent cylinder are not allowed. 3. Listed devices used for grease tight seal of penetrations in place of required liquid tight continuous external weld: a. Amerex adapter, UL listed mechanical bulkhead fitting. b. Accepted equivalent. 4. Factory pre-piped with maximum concealment. a. Exposed piping and fittings shall be chrome plated with nozzle locations as required by the placement of equipment to be protected. b. Chrome-plated sleeves are not allowed. 5. Perform fire fuel shutoff and supply fan shutoff caused by receipt of signal generated by automatic wet chemical fire suppression system according to the following: a. Provide required relays or switches in fire suppression system control panel to deactivate contactor in UDS. b. Provide required relay(s) in fire suppression system control panel to furnish 120V power to gas fire fuel shutoff control panel located in the UDS. c. In case of fire suppression system discharge and its subsequent annunciation to the building fire alarm panel, the fire suppression system control panel shall allow the building fire suppression system to be recharged. d. Exhaust fan shutoff shall not occur because of fire suppression system discharge, but shall occur only because of the closing of a fusible link controlled fire damper in the exhaust duct collar assemblies. 6. Remote manual (non-electric) pull station to discharge wet chemical with accepted identification label. 7. Locate tank(s) high on wall by side of hood. 8. Field Hookup and Certification: Project No. SPECIFICATION GUIDELINES

12 a. Perform work by a Florida licensed company possessing a Class D license issued by the State Fire Marshal with Class 4 permitted technicians according to FS 633 and SFM Rule 4A-21. b. Charge and certify system of operations in the presence of Boards authorized representative, demonstrating that upon system discharge, electric and gas fire fuel controls, building fire alarm system, and the canopy air supply/exhaust systems respond as specified elsewhere. c. Recharge the system at no additional cost to the Board, upon successfully completing the demonstration. d. Provide and tag system according to SFM Rule 4A- 21. e. Provide pre-engineered system report according to SFM Rule 4A UTILITY DISTRIBUTION SYSTEM EQUIPMENT A. Manufacturers: 1. Accepted equivalent by Caddy Air Systems. 2. Accepted equivalent by Carroll. 3. Series IM-150 Raceway System by Gaylord. 4. Model EDC-1 Utility Distribution System by K-Tech. 5. Accepted equivalent by Duo Air. 6. Accepted equivalent by Vent Master. B. Utility Distribution System (Under Canopy Ventilator Island Location, Double Faced), 7'-0" long, 12 inch x 24 inch cross section with 6 inch peaked top added to top of the raceway, with one 16 inch x 24 inch riser at end cap "B", one 16 inch x 24 inch riser full height (finished floor to bottom of canopy ventilator) and one 9 inch x 12 inch riser extension full height from finished floor to bottom of canopy ventilator at end cap "A", completely prewired and preplumbed for final connection for gas, electric, hot water and cold water to service convection oven, steam cooker, Expando, canopy ventilator, lights, and supply and exhaust fans. 1. Utility Distribution System: One end suspended through canopy ventilating system. 2. Provide complete with following: a. Main electric contactor. b. Remote breakers. Project No. SPECIFICATION GUIDELINES

13 c. Ground fault interrupter protection (GFI). d. Flexible quick disconnect plumbing hoses for connected equipment. e. UL listed twist lock angle cap, matching special purpose power supply cord, and plug sets for each receptacle plate. 3. Service Requirements: a. 1-1/2" gas. b. 3/4" cold water connection. c. 3/4" hot water connection. d. 125 amp, 120/208/3PH, 5W (fifth wire equipment ground). 4. Construction: a. Horizontal Raceways, Vertical Risers and Vertical Riser Extensions: 16 gage, Type 304 stainless steel with #4 polished satin finish, all welded according to manufacturers standard practice. 1) Interior Welds: Grind smooth. 2) Exterior Welds: Grind smooth and polish. b. Horizontal Raceway: 1) Provide lower compartment, 18 inches high, full length of raceway for plumbing chase. a) Equipment Plumbing Connections (gas/water quick disconnect): Locate on the bottom of the raceway. 2) Provide upper compartment 6 inches high, full length of raceway for electrical chase. a) Equipment Receptacle Plates: Locate on both sides of the raceway. b) Provide 6 inch high peaked top full length of the raceway. c. Vertical Riser End Cap "B": Design to be suspended through canopy ventilating system with 1/2" cadmium plated threaded mounting rod supports at each support point in the top corners of vertical riser, four required, complete with cadmium plated turnbuckles for leveling. d. Vertical Riser and Riser Extension, End Cap "A": Project No. SPECIFICATION GUIDELINES

14 1) Design to be anchored to floor with 1-1/2" x 1-1/2" stainless steel, predrilled perimeter angle framing at base. 2) Provide minimum 1/2" penetration into canopy ventilator. e. Vertical Riser, End Cap "A": Provide removable panel at the front of lower compartment for access to canopy ventilator washdown drain pipe to air gap at floor line. Match height of adjacent lower compartment for detergent reservoir. f. Vertical Riser Extension, End Cap "A": 1) Design shall be bolted to the side of adjacent Vertical Riser as shown by drawings. 2) Construct upper compartment to be completely sealed with front access only. g. Vertical Riser Trim: Minimum 1 inch x 1 inch, 18 gage stainless steel full perimeter angle trim at top of each riser and riser extension. 5. Electrical: a. Horizontal Wireway (Chase): 1) Sealed construction. 2) Full length of raceway. 3) Watertight Receptacle Plates: a) Material: 16 gage stainless steel, 4 inches high x 12 inches long, along full length of both sides of the compartment. b) Attachment: Minimum 4 stainless steel pan head machine screws each plate. b. Locate contactor in upper part of vertical riser extension, end cap "A": 1) Design Requirements: a) Capacity: Provide 100 amp three-pole contactor with one auxiliary pole prewired to lugs on the bus bars, complete with "ON-OFF" pushbuttons, all mounted in stainless steel, sealed electrical compartment. Project No. SPECIFICATION GUIDELINES

15 b) Furnish contactor with provisions to be deenergized automatically upon discharge of the fire control system. 2) Operation: c. Bus Bars: a) Activation of the "WASH" button shall deenergize bus bars, stop the exhaust/ supply fans, and activate the timed ventilator wash-down cycle (for use at end-of-day cooking operations). b) Activation of the "FAN ON" button shall energize the bus bars and start exhaust/ supply fans (for use at beginning-of-day cooking operations). c) Discharge of wet chemical automatic fire suppression system shall automatically deenergize bus bars and the electric solenoid operated gas fire fuel shutoff valve, but shall not shutoff the exhaust fan. d) Activation of the "FAN ON" button following wet chemical automatic fire suppression system discharge shall not energize bus bars and supply/exhaust fans unless fire suppression system has been properly recharged. e) Activation of the "GAS RESET" button following wet chemical automatic fire suppression system discharge shall not energize the electric solenoid operated gas fire fuel shutoff valve unless fire suppression system has been properly recharged. 1) Provide 4 conductor bus bars as internal main feeders for electrical fired cooking equipment including control circuiting. 2) Materials: 99 percent conductivity copper mounted on nonconductive insulators and equipped with lugs for individual service connections. 3) Capacity: Maximum 120/208/3PH, 250 amps. 4) Location: Mount in vertical riser extension next to vertical riser, end cap "A", directly behind the breaker cluster. d. Remote Breaker Cluster: Project No. SPECIFICATION GUIDELINES

16 1) As required by each cooking equipment item, canopy ventilator lights, and supply and exhaust fans, provide a UL listed 10,000 amp interrupt breaker. 2) Breaker Switches: Clearly show "RED" when in tripped position. 3) Primary Mounting Panel: a) Surface mount breakers on hinged stainless steel panel situated immediately in front of bus bar assembly in upper part of riser extension, end cap "A". b) Prewire to the bus bars and receptacles and other electrical connections. 4) Removable Stainless Steel Secondary Breaker Shielding Panel: a) Mount over primary mounting panel with stainless steel pan head machine screws with each breaker switch extending through the panel sufficiently for positive operation. b) Provide 3-pole cutouts over each breaker switch, complete with adapter plate to fit the switch used. 5) Hinged Plexiglass Cover Panel: Mount in 18 gage stainless steel perimeter frame complete with cadmium plated friction catch and install over secondary breaker shielding panel, flush with the outer face of vertical riser extension. e. Receptacle Plates: Equip with grounding type receptacle and matching power supply cord having specific NEMA polarized configuration, labeled with permanently lettered electrical characteristics. f. Control Wiring: Provide readily accessible means of separating control wiring from utility distribution system. g. Canopy Light Controls: 1) Obtain power source from main incoming power, between manual main power shutoff switch and main contactor. 2) Provide prewired switch on face of vertical Project No. SPECIFICATION GUIDELINES

17 riser, end cap "A", with prewired, 10 foot long flexible conduit ready for connection to light junction box on top of canopy. h. Duplex Convenience Outlet (DCO): Prewired, 20 amp 120/1PH in vertical riser at each end cap. i. Provide control wiring for exhaust and supply fans internally wired according to requirements of Division 15 and fan control diagrams shown by the drawings terminated in a labeled terminal block ready for field installation of fan and fan power interface wiring. 1) Controls shall include: a) Adjustable time delay. b) c) Relay(s). Terminal blocks. d) Malfunction alarm and indicator light. e) On/Off indicator lights. f) Safety interlock to prevent energizing the raceway unless fans are in operation. j. Canopy Ventilator Wash-Down Controls: 6. Plumbing: 1) Location: Vertical riser, end cap "A". 2) Prewire all components. 3) Controls shall include: a) Terminal blocks. b) Adjustable wash timer. c) Test switch. d) Relays. e) Status indicator lights. a. Isolate plumbing compartment from electrical compartment. b. Color code and label piping and disconnects in system. c. Hot and Cold Water Piping Including Individual Branch Pipe Connections: 1) Hard temper Type "L" with brass casting solder fittings according to ASTM B88-78 and ANSI B ) Provide each branch connection with brass double shutoff quick disconnect assembly of Project No. SPECIFICATION GUIDELINES

18 twin wall construction, including brass bellow type corrugated hose with built-in stainless steel restraining chain capable of withstanding a tensioned pull of 3,200 pounds, bursting pressure of 5,000 pounds, and crush pressure of 9,000 pounds. 3) Provide "Nontoxic While Burning" coating with encapsulated color coding, shrink or dip method acceptable. d. Gas Piping: 1) Black iron pipe with threaded "Tees" to branch connections and drip "Tee" in service riser. 2) Provide each branch connection with 1/4 turn steel ball type shutoff valve, quick disconnect assembly of twin wall construction, including stainless steel bellows type corrugated hose with built-in restraining chain capable of withstanding a tensioned pull of 3,750 pounds, bursting pressure of 6,000 pounds, and crush pressure of 9,000 pounds. 3) Provide "Nontoxic While Burning" coating with encapsulated color coding, shrink or dip method acceptable. 4) Provide quick disconnect assemblies in appropriate length to prevent dragging on, or otherwise contacting the floor beneath the raceway. e. Valves and Gauges: 1) Gauges: Provide direct reading combination pressure/temperature gauges for incoming services for hot water and cold water. a) Quarter turn ball type shutoff valve with yellow handle for gas main incoming service within riser at end cap "B". b) Install 60 inches AFF to the centerline behind minimum 8 inch x 8 inch plexiglass door in stainless steel frame with twist type latching device for observation and easy access. c) Access shall be accomplished without the use of tools, keys, or the like. 2) Valve, Main Service Electric Solenoid Project No. SPECIFICATION GUIDELINES

19 Operated Gas Fire Fuel Shutoff: a) Provide 12 volt electric solenoid shutoff valve immediately downstream from manual gas main incoming service valve. b) Install behind hinged access panel with twist type latching device for easy access. c) Connect to Gas Fire Fuel Shutoff Control System. d) Valve shall be mounted with solenoid vertical and upright and according to valve manufacturers published installation instructions. 3) Valves, Main Service CW/HW Shutoff: a) Quarter turn ball type shutoff valves for CW/HW main incoming service. b) Install 60 inches AFF to the centerline behind hinged access panel with twist type latching device for each access. f. Canopy Ventilator Wash-Down Package: 1) Provide model standard to accepted canopy ventilator manufacturer. 2) Components - Vertical Riser, End Cap "A": a) 1/4 turn shutoff ball valve. b) Pressure/temperature gage. c) Backflow preventer. d) Y-strainer. e) Solenoid valve. 3) Components - Vertical Riser Extension, End Cap "A": a) Diaphragm type detergent pump. b) Minimum four gallon detergent reservoir. 4) Preplumb entire assembly to single connection point at top of vertical riser, end cap "A", ready for field connection to canopy ventilator. 7. Gas Fire Fuel Shutoff Control: Standard to the manufacturer according to the following requirements: Project No. SPECIFICATION GUIDELINES

20 a. Function: 1) Instant closure of electric solenoid gas valve in the UDS upon discharge of wet chemical automatic fire suppression system. 2) Delayed automatic closure of electric solenoid operated gas valve in UDS upon nuisance outage current interruption with on site adjustable delay from 0 to 1 minute 42 seconds. 3) Manually operated push-button to open electric solenoid operated gas fire fuel shutoff valve when the AFSS has been charged and reset. b. Construction: 1) NEMA 1 enclosure 16 gage stainless steel with hinged door, designed for surface mounting with accepted fastening devices. 2) Provide cylinder lock standard to the manufacturer. c. Backup Battery: 12 volt with constant charger. d. Electric/Gas Emergency "KILL" Push Button: Mount on face of the hinged door panel. e. Status Indicator Lights: Mount on face of the hinged door panel. 8. Control Center Components: a. Locate in recessed face of both riser and caps as follows: 1) Vertical Riser, End Cap "A", Grouping, including but not limited to the following: a) Supply fan malfunction indicator light. b) Supply fan "ON" indicator light. c) Supply/Exhaust fan malfunction audible indicator. d) Exhaust fan malfunction indicator light. e) Exhaust fan "ON" indicator light. f) Canopy ventilator light switch. g) Electric/gas emergency "KILL" red pushbutton for control of both electric and gas service. h) Push-button control to energize main contactor and start canopy supply/exhaust air fans. Project No. SPECIFICATION GUIDELINES

21 i) Push-button control to deenergize main contactor and stop canopy supply/exhaust fan(s). j) Gas reset. k) Remote breaker cluster. l) Duplex convenience outlet. m) Wash-down status indicator lights. n) Engraved plastic identification label for each component. 2) Vertical Riser, End Cap "B", Grouping, including but not limited to the following: a) Hinged panel with "twist-to-lock" latch to access main gas shutoff valve. b) Electric/gas emergency "KILL" red pushbutton for control of both electric and gas service. c) Duplex convenience outlet. d) Engraved plastic identification label for each component. 9. Mounting rod supports (cadmium plated threaded rod), brackets, hangers, and miscellaneous hardware furnished by utility distribution system manufacturer. PART 3 EXECUTION 3.01 INSPECTION A. Verify surfaces, substrates, and conditions are satisfactory to receive utility distribution and canopy ventilating systems, and are free from deviations or defects affecting quality of the work. B. Notify contractor in writing of conditions detrimental to proper and timely completion of the work. C. Do not proceed with work until unsatisfactory conditions have been corrected in a manner acceptable to installer. D. Beginning of installation will be construed as acceptance of existing substrates, surfaces, and conditions INSTALLATION A. General: Project No. SPECIFICATION GUIDELINES

22 1. Deliver, assemble, and install utility distribution and canopy ventilating systems according to the manufacturers published instructions and accepted shop drawings. 2. Perform assembly and installation under factory authorized supervision. 3. Install systems plumb and level. Provide ells, nipples, reducing fittings, and the like to present a neat appearance and to prevent flexible hoses from touching floor. 4. If raceway system is surface mounted to adjacent wall, apply approved calking material to perimeter seams between finished wall surfaces and finished surface of raceway assembly. 5. Remote Pull Stations for Wet Chemical Automatic Fire Suppression System: a. Mount on wall surfaces where indicated by the drawings or as otherwise directed by A/E. b. Identification: Clearly label. 6. Provide drawings to appropriate trades, referencing utility service locations to utility distribution systems and coordinate final connections. 7. Furnish wiring and plumbing diagrams to the Boards authorized personnel to facilitate future changes to or addition of equipment. B. Connect metal flexible hoses furnished with union to UDS and to equipment items. C. Connect flexible hot and cold water lines furnished with equipment items. D. Gas Connection Assemblies: 1. 3/4" NPT with single disconnects. 2. Provide 2 spare gas connection assemblies 1/4" NPT with single disconnect and obtain receipt from Boards authorized representative WORK BY OTHER TRADES A. Canopy Ventilating System (Island Location, Double Faced) UL Listed Grease Extractor: 1. General: a. Properly locate and suspend from building structure at proper height by means of 1/2" Project No. SPECIFICATION GUIDELINES

23 threaded support rods and turnbuckles furnished by canopy manufacturer at points located on the drawings. b. Adjust height, level and plumb. c. Fluorescent Tubes: Furnish and install 8 fluorescent tubes in each fixture furnished by canopy manufacturer. d. Before the Boards final inspection, replace access panels and clean unit, removing protective mill coverings. 2. Plumbing Work at Ventilator Wash-Down System: a. Interconnect the 1-1/2" NPT stainless steel drains protruding from the bottom of each ventilator section and extend each down through inside of UDS riser to approximately 6 inches AFF. Extend PVC drain through riser face and turn down, with sufficient lateral support, to provide a non-splash air gap at floor sink. b. If ventilator is of a length that requires more than one section at each side of longitudinal centerline, then make the connection union at ventilator drain manifold at field joint between sections. c. Connect detergent hot water supply from the UDS riser to manifold found on top of ventilator. d. Connect HW manifold across field joint on top of ventilator sections. e. Connect plastic detergent tubing from the detergent pump located in UDS riser to injector "Tee" provided with UDS located in hot water feed line on top of ventilator. 3. HVAC Work: a. Exhaust Duct Collars: Tightly fit exhaust ducts into collars and weld, with Liquid-Tite or accepted equivalent, the full perimeter. Verify UL rated fire dampers close easily and firmly. b. Supply Duct Collars: Tightly fit supply ducts into supply air duct collars and secure joints, ensuring an airtight seal according to requirements specified elsewhere. Verify UL rated fire dampers, if any, close easily and firmly. c. Install the following according to details, applicable codes, and requirements as specified elsewhere. 1) Install exhaust and supply duct up to roof Project No. SPECIFICATION GUIDELINES

24 fans. 2) Install roof curbs and flashings at duct terminus on roof. 3) Set and secure exhaust and supply fans on curbs. d. Test duct system for leaks. 4. Electrical Work: a. Service to Wet Chemical Automatic Fire Suppression System: 1) Provide 20 amp 120/1PH protected circuit breaker (24 hour) in building distribution panel. 2) Route a 20 amp 120/1PH, 3W service overhead in conduit: a) To terminate in a ceiling junction box above wet chemical automatic fire suppression system relay control panel located on the outer face of canopy. b) To extend into wet chemical automatic fire suppression system relay control panel and connect to system terminal block, using knockouts as required. b. Exhaust and Supply Fan Circuits: 1) Provide conduit and wiring to connect exhaust and supply fan circuits from motor starters located in UDS, to manual disconnects located beside each fan on roof. c. Canopy Lights: 1) Connect prewired flexible metallic tubing, by Liquid-Tite or accepted equivalent, furnished by UDS manufacturer, from canopy light switch located in UDS, to junction box on top of canopy. 2) Connect prewired metallic tubing across filed joints on top of the canopy assembly. d. Building Fire Alarm System: 1) Route 4 wires in conduit from fire suppression system relay control panel overhead in conduit, to terminate in Project No. SPECIFICATION GUIDELINES

25 building fire alarm panel, using knockouts as required. 5. Wet Chemical Automatic Fire Suppression System: a. Properly locate and secure the wet chemical automatic fire suppression system control cabinet, cylinder(s), and related piping high on wall by side of canopy, in an approved manner. b. Install remote pull station as shown on drawings or otherwise as directed by A/E. c. Connect components using necessary piping, cable in conduit, and the like and provide chrome plated piping and fittings where exposed. d. Charge and certify system as operational with a dump test in the presence of the Boards authorized representative, demonstrating upon system discharge, electric and gas fire fuel controls, building fire alarm system, and canopy air supply/exhaust systems respond according to requirements specified elsewhere. 6. HVAC Tests: 1) Recharge system at no additional cost to the Board, upon successfully completing the demonstration. 2) Provide and tag system according to SFM Rule 4A-21. 3) Provide pre-engineered system report according to SFM Rule 4A-21. a. Measure air volume and static pressures and compare to design specifications to ensure compliance with pertinent regulations. 7. Supervision: a. Canopy manufacturer shall furnish an authorized representative for the following: 1) Instruct trades in proper assembly, mounting, and connection of services. 2) Visit the jobsite for system checkout before start up. 8. Demonstration: a. Canopy manufacturer shall furnish an authorized representative to successfully demonstrate to the Project No. SPECIFICATION GUIDELINES

26 satisfaction of the Board that this item has been furnished and installed in compliance with specifications and operates as intended by manufacturer. 1) Each named feature shall be identified and explained. 2) Each operating feature shall be identified and "live operated". B. Utility Distribution System (Raceway System under Canopy Ventilator Location, Double-Faced). 1. General: a. Properly locate and suspend the UDS from building structure at the proper height, with " threaded support rods and turnbuckles furnished by UDS manufacturer at points located on drawings. 1) Suspension not required if UDS is designed for floor mounting. 2) If suspended, adjust height, level, and plumb. b. Secure stainless steel trim flange around each riser at base of canopy ventilator with stainless steel sheet metal screws. 1) If floor supported, secure stainless steel trim flange around riser at contact with floor. c. Remove access panels to allow trades to connect mechanical and electric services. d. After mechanical and electric service connections have been made, internal inspections for loose or incomplete mechanical and electric connections have been completed, and before the Boards final inspection, replace access panels, clean unit, and remove protective mill coverings. 2. Plumbing Work: a. Branch Feed Hot Water: 1) Provide branch feed hot water 140 degrees F. service to terminate in ceiling above UDS. Extend hot water services down to connect to 3/4" diameter, 1/4 turn ball valve located Project No. SPECIFICATION GUIDELINES

27 in the UDS at approximately 72 inches AFF. b. Branch Feed Cold Water: 1) Provide branch feed cold water service to terminate in ceiling above UDS. Extend cold water services down to connect to 3/4" diameter, 1/4 turn ball valve located in UDS approximately 72 inches AFF. c. Branch Feed Gas Service: 1) Provide branch feed gas service overhead and down into UDS to connect to 2 inch diameter, 1/4 turn gas shutoff valve located approximately 54 inches AFF in the UDS. d. Flexible Plumbing Hoses: 1) Install flexible plumbing hose assemblies, as provided by UDS manufacturer, for hot water/cold water and gas from UDS to items of equipment, providing necessary fittings, reducers and the like, as required, to complete the installation. 3. Electrical Work: a. Building Distribution Panel Breaker: 1) Provide 208/3PH breaker in the building distribution panel. 2) Route 100 amp, 208/60/3PH SW service overhead in conduit to terminate in ceiling junction box above UDS. 3) Extend 100 amp service down into UDS, using knockouts as needed to connect to main service contactor lugs at approximately 72 inches AFF. b. Service to Items of Equipment: 1) Install UL listed cord and plug sets with the appliance grips furnished by UDS manufacturer to items of equipment, secured to ensure a neat appearance when installed, and to prevent dragging or otherwise contacting floor. 4. Remote Electric/Gas Emergency "KILL" Push-button Project No. SPECIFICATION GUIDELINES

28 Station: a. Properly locate and secure the remote electric/gas emergency "KILL" pushbutton station, as provided by UDS manufacturer, as shown on the drawings. b. Connect pushbutton to appropriate contact points in the UDS, according to manufacturers accepted shop drawings. 5. Supervision: a. UDS manufacturer shall furnish an authorized representative to instruct trades in proper assembly, mounting, and connection of services and perform system checkout before start up. 6. Demonstration: a. UDS manufacturer shall furnish an authorized representative to successfully demonstrate, to the satisfaction of the Board, the item has been furnished and installed in compliance with specifications and operates as intended by manufacturer. 1) Identify and explain each named feature. 2) Identify and "live operate" each operating feature, including the Remote Electric/Gas Emergency "KILL" push-button. END OF SECTION Project No. SPECIFICATION GUIDELINES