Transcription of UTILITY DISTRIBUTION SYSTEMS PART 1 GENERAL …
1 Project Name M-DCPS MASTER Jan 04 Project No. SPECIFICATION GUIDELINES 11419 - 1 SECTION 11419 UTILITY DISTRIBUTION SYSTEMS part 1 GENERAL SECTION INCLUDES A. Related Sections: 1. 11401 - Custom Fabricated Equipment. 2. 11405 - Cooking Equipment. 3. Division 15 - Water supply, drainage, gas, and related piping. 4. Division 16 - Electrical connections. SUBMITTALS A. Shop Drawings: 1. Submit shop drawings with dimensioned plans prepared in minimum 1/4" scale showing mechanical/electrical roughing-in data for each piece of equipment and their relationships to the space the equipment occurs.
2 2. Include accurately dimensioned details and locations of any special wall openings required by items of equipment extending through walls. 3. Include plans, elevations, and sections, all dimensioned and suitable to be used for actual construction of items specified. B. Product Data: Submit manufacturer's name, descriptive data, mechanical connections required, and other information necessary for review of standard manufactured articles and equipment. QUALITY ASSURANCE A. References: 1. Comply with applicable standards or requirements of the following: a.
3 National Sanitation Foundation (NSF). b. Underwriters Laboratories Listings (UL). c. National Electrical Manufacturers Association (NEMA). d. National Fire Protection Association 96 (NFPA). Project Name M-DCPS MASTER Jan 04 Project No. SPECIFICATION GUIDELINES 11419 - 2 B. Source Quality Control: 1. Manufacturer: Provide equipment manufactured by one manufacturer except where otherwise noted, uniform throughout as to method and type of construction used. 2. Nameplates: a. Identify model and manufacturer with appropriate nameplates.
4 B. Show electrical characteristics on appropriate nameplates. SPECIAL REQUIREMENTS A. Modify accepted manufacturer's standard items and construction to conform with special requirements listed as follows: 1. Special Requirements Gas: a. Provide minimum of 1 gas drop of at least 3/4" NPT (255,000 BTU) extended from raceway and capped for future use for each 6 feet of horizontal gas pipe, regardless of number of specified drops. b. Quick disconnects furnished for connection of gas hoses from appliances shall not allow connection of other type of plumbing hoses, even if they are the same size.
5 2. Special Requirements Water: a. Wherever there is an 8-foot horizontal run of hot or cold water supply without a specified drop, provide a minimum of one each 3/8" NPT drop extended from the raceway and capped for future use. 3. Special Requirements, Labels, Wiring Diagrams, and Plumbing Diagrams: a. Clearly label remote breakers for each piece of equipment they serve. b. Breaker plates shall bear a label clearly indicating amperage, voltage, phase of breaker, and item number and type of equipment to be connected.
6 C. Breaker plates located beneath raceways or otherwise hidden from normal view shall have a Project Name M-DCPS MASTER Jan 04 Project No. SPECIFICATION GUIDELINES 11419 - 3 duplicate identification label located in plain view and designating location of plate. d. Color-code and word or letter identifying utilities behind each side access panel in a raceway. e. Clearly label shutoffs, fuses, circuit breakers, or components requiring periodic maintenance, service, or adjustment and locate on the external portion of the raceway or chase.
7 F. Provide wiring and plumbing schematics affixed to inside of access panels for raceways, control boxes, disconnect controls and energy management SYSTEMS and indicate location of schematics on shop drawings submitted for approval. 4. Special Requirements, Component Location, and Access Panels: a. Side Access Panel: Maximum 48 inches long. 1) Where a component, requiring periodic access for maintenance, service, or adjustment, is located behind a side panel in the raceway, side panel shall not exceed 24 inches in length. b. Any fuse or circuit breaker provided for circuit protection in a raceway shall either be located externally or in the riser behind a hinged access door.
8 5. Special Requirements Indicator Lights: a. Indicator Lights: Snap in or screw in incandescent type with slip on or screw on terminals. b. House breaker status indicator lights located in end panel of island raceways or face of wall type raceways in a recessed panel with a clear plexiglass cover to protect them. 6. Special Requirements Breaker Plates: a. Provide each breaker plate with a separate ground wire, minimum 12 inches long, to maintain ground when plate is removed from the raceway mounting. b. Provide breaker plates with a hinged waterproof cover over receptacle.
9 C. Provide breaker plates located within 24 inches of the floor, or in a location where they are Project Name M-DCPS MASTER Jan 04 Project No. SPECIFICATION GUIDELINES 11419 - 4 prone to get wet with a hinged waterproof cover over breaker switch. d. If an indicator light or other device is located on a breaker plate, it shall be in a full recess or otherwise protected from damage. e. Color-code and mark breaker switch to indicate trip status without relying on operation of an indicator light. f. Make breaker located in a raceway interchangeable with breaker plate located in a power chase.
10 G. Provide breakers serving refrigerators, freezers, icemakers, or otherwise critical equipment with a lockout clip to prevent accidental shutoff while allowing normal tripping. 7. Special Requirements Safety: a. Single and Two Pole Breakers Up to 30 Amps: Provide with GFI per NEC. b. Manual Trip Mechanism: Provide to trip electric shunt at breaker and easily accessible location. c. Bus Bar Insulation: Each electrical bus bar individually insulate for its full length. d. Safety Insulated Shield: Provide electrical service connections and terminals with a safety insulator shield.