16100 Electrical16100
Electrical
PART 1 - GENERAL
DESCRIPTION OF THE WORK:
Furnish and install the complete and operating electrical system as shown or specified.
PERMITS:
Secure and pay for all necessary permits, arrange for all required inspections, and deliver a certificate of final inspection to the owner upon completion of the work.
CODES AND STANDARDS:
Comply with national, state and any local electrical codes, safety orders, ordinances, applicable building codes, and requirements of the serving utility.
MATERIALS AND EQUIPMENT:
All materials and equipment shall be new, of best quality as specified, and a standard product of a reputable manufacturer. All materials of a kind by one manufacturer. All materials
used shall, where rated, bear the seal of approval of the NFPA, U/L and conform to applicable ANSI, NEMA & OSHA standards.
SHOP DRAWINGS:
Six copies. Submit typewritten list of manufacturers and catalog number for wiring devices.
COORDINATION:
Coordinate other trades affecting and affected by work of this section. Consult general construction drawings for building framing, door swings, counter heights, and other work affecting
electrical rough-in locations and routing. Consult mechanical documents for equipment type and location of routing. Coordinate any and all power outages with owner prior to outage.
Outages resulting from new service work shall cause no additional expense to the owner.
MINOR CHANGES:
Make minor changes in outlet and equipment locations as directed or required without cost to owner.
AS-BUILT DRAWINGS:
All changes shall be noted on a set of blue-line prints maintained up-to-date at the job site. Prepared as built drawings on a set of reproducible prints, available to the owner upon
request, at the contractor's cost.
GUARANTEE ALL WORK AND MATERIALS
IDENTIFICATION:
Provide engraved, laminated nameplates for identification of all equipment items, panelboards, switches and breakers. Black color with white letters, except red color for main disconnects.
6/16" minimum letter height.
EQUIPMENT CONNECTIONS:
Provide power wiring and make electrical connections to all equipment having electrical power requirements.
PART 2 - MATERIALS
CONDUIT:
All wiring shall be run in conduit unless otherwise noted. Throughout the building, conceal all conduit and outlet boxes in walls or above ceilings except at wall upon which main service
equipment or auxiliary panelboards are installed.
RIGID STEEL CONDUIT:
Hot-dipped galvanized, with threaded connectors; Western, Triangle, Rome, Republic or approved. Provide as follows: If and where conductors are subject to physical damage, run in concrete,
or underground, if and where conductor is exposed.
ELECTRICAL METALLIC TUBING - EMT:
Hot-dipped galvanized, with set screw type connectors; Western, Triangle, Rome, Republic, or approved. Provide as follows: building interior except where other conduit is specified.
Protect during concrete pour.
PLASTIC PIPE:
Polyvinyl chloride, Schedule 40; Carlon Products, Western Plastic, Portco, or approved. Provide as follows: if and where required for telephone cable and utility service conductors.
May be used below grade with addition of ground wire.
FLEXIBLE METAL CONDUIT:
Galvanized steel & aluminum, liquid tight where exposed to moisture, with grounded connections; Triangle, Acme, Anaconda, Electri-Flex, or approved. Provide at connections to the following:
motors and hot water tanks; equipment, if any, which is subject to vibration; equipment, if any, which must be moved for servicing.
WIRE:
All wiring shall be run in metallic raceway. All building wire shall be copper unless aluminum (AL) is specifically shown. All wire shall be color coded, marked with gauge type and
manufacturer on 24" centers, bear underwriter's label and be delivered to job in original unbroken containers. All wire #8 AWG size and larger shall be stranded. All wire #10 SWG size
and smaller shall be solid or stranded. Manufacturers: General Cable Co., Okonite, Triangle Cable Co., Anaconda, or approved.
COPPER WIRE:
Not less than 98% conductivity.
ALUMINUM WIRE:
Not less than 61% conductivity.
INSULATION TYPES:
Copper wire #10 AWG size smaller type "THWN" or "THHN," #8 AWG size and larger type "THWN," or "XHHW." Aluminum wire, type "THWN," "THWN" or "XHHW."
All wire run in ballast compartment or continuous row fluorescent fixtures shall be type "THHN."
Branch circuiting shall be installed exactly as shown. Conduit routing may be at contractor’s best judgment unless directed otherwise. Home runs are diagrammatic only, for clarity,
and may be grouped as desired. Size all conduits accordingly per NEC.
SWITCHES, RECEPTACLES & TELEPHONE OUTLETS:
WALL SWITCHES:
Wall switches - single pole, double pole, 3-way, 4-way, key operated.
Specification grade. 20 AMP, 120/227 Volt, Lifetime Quiet Type. Manufacturers: Arrow-Hart, Bryant, Hubbell, Leviton, P & S, Sierra, or approved.
DUPLEX RECEPTACLE:
Grade duplex grounding receptacle meeting rated 15 AMP, 125 Volt AC. Back and side wired, impact resistant nylon face with riveted wrap around bridge. Manufacturers: Arrow-Hart, Bryant,
Hubbell, Leviton, P & S, Sierra, Woodhead or approved.
WEATHERPROOF RECEPTACLES:
Each outlet must be flush with surface or, mounted in cast metal box with gasketed, weatherproof cast metal coverplate and cap, Sierra WP-26, Hubbell 5211 or approved.
WALL PLATES:
Impact resistant thermoplastic or fiberglass reinforced plates. Color selected by owner. Device color to match color plate selected. Raised galvanized plates may be used in unfinished
areas where conduits run exposed.
OUTLET BOXES:
Galvanized or sherardized, one piece pressed steel of proper size and depth to accommodate number of conductors, fixture or device indicated.
Boxes for telephone and computer terminal outlets, 4" square with single gang plaster ring and blank cover plate.
Deep type boxes used with 1" conduits and larger.
Boxes for fixtures: not less than 4".
Boxes for switches: at least 1-1/2" deep, rectangular or square, with switch plaster ring or gang cover.
Boxes installed in wet or damp locations: PS or FD type, cast metal.
PANELBOARDS:
Plug in type with copper bussing, dead-front safety type steel cabinet incorporating switching and protective devices of the number, rating and type shown. Cabinet doors equipped with
flush spring latches and locks all keyed alike, flush or surface trim as shown. Provide typewritten circuit directories, GE, Square D, Cutler Hammer.
Balance electrical loads. Check rotations of all motors and correct if necessary. See riser diagram for number and size of circuit breakers.
BREAKERS:
Heavy duty, quick-make, quick break with Class R rejection feature, size as shown on plan. Square D, General Electric, Cutler Hammer, or approved.
FUSES:
All fuses shall be U/L Class R. Fuses shall be labeled as current-limiting with an interrupting rating of 200,000 R.M.S. Amperes. In main disconnects, fuses shall be U/L Class RK1
without time delay, Shawmut Amp-Trap, AGK or approved equal.
LIGHTING FIXTURES (LUMINAIRES):
Provide type shown on Lighting Fixture Schedule complete with new lamps. Fluorescent ballasts: rapid start ballasts shall be premium grade Class P. Thermally protected reset ballasts
to meet Section 410-71 (E) of the National Electrical Code; all ballasts shall be guaranteed by the manufacturer for a period of two years after installation. Rapid start ballasts shall
be certified to have an "A" sound rating. Noisy ballasts shall be replaced at no cost to owner.
Support: Capable of carrying 5 times fixture weight
Accessories: Provide all necessary to complete installation. Leave fixtures clean.
LAMPS:
General Electric, Sylvania, Westinghouse, incandescent lamps rated 130 Volts. Fluorescent lamps: provide extra lamps of all types; 25% incandescent, 10% fluorescent. Make replacement
of burnouts as required until substantial completion. Remaining lamps to become property of owner.
TELEPHONE:
Provide outlets, conduits and terminal board as shown on the drawings.
Terminal Bd. - 8' x 4' x 3/4" Plywood No. 2 or better. Supply minimum #6 AWG copper ground/bonding wire to terminal board location.
Outlets - 4" x 4" x 1-1/2" square box with single gang mud ring. Provide 1" conduit to accessible ceiling space.
PART 3 - EXECUTION
CONDUIT INSTALLATION:
All conduit to be surface mounted, except in finished spaces such as Showroom, Restrooms, etc.
Service Bays only: All conduit to be run overhead with all connections to devices made from above. Conduit in or below the Service Bay slab is prohibited unless specifically shown
on the drawings, or specifically approved by the Owner.
Securely support all conduit runs at 8' intervals or less. Provide pipe clamps for support on wood frame structures; pipe clamps and metal insets for support on concrete or masonry;
trapeze type supports using Kindorf, Unistrut, or approved steel channels and clamps where conduit runs are grouped.
Bends shall conform to code requirements of radii and shall be carefully made to avoid injury or flattening. Bends in conduit 1-1/4" size and larger shall be factory made ells or be
made with a manufactured mechanical bender.
Runs through walls or ceilings shall be sleeved and sleeves furnished and installed by the electrical contractor. Caulk and grout to maintain fire rating of adjacent surfaces.
Gap during construction by means of manufactured seals. Swab out before pulling wires.
Keep free from contact with all other pipe runs of different systems or of dissimilar metals.
3.02 WIRING:
Follow code requirements for number of wires and conduit sizes. Clean and dry conduit interior before pulling wire. Avoid wire and insulation injury during pull-in. Lubricate with
powdered or flax soap.
Delay wire pull-in until construction which might damage insulation or fill conduit with foreign matter is complete.
Balance loads on panelboard bus. Note all field changes to circuit assignments on as-built drawings.
Check after wiring connections are complete and, if necessary, provide outlet polarity and motor rotation.
Provide branch circuits as shown on drawings.
GROUNDING:
A. Permanently ground conduit system, supports, cabinets, equipment cases, switchboards, motors frames, and systems neutral conductors. Maintain equipment ground continuity throughout
system. Where grounding conductor is enclosed in conduit, provide ground clamp which grounds both conductor and conduit. Copper-clad strap metal not acceptable.
3.04 EQUIPMENT CONNECTIONS:
A. Furnish and install wiring and connections to electric-powered equipment. Follow equipment manufacturer's directions.
3.05 LIGHTING FIXTURES:
Prior to ordering any lighting fixtures, this contractor shall coordinate ceiling construction and trim details with the ceiling systems as finally selected and shall be fully responsible
for style of mounting.
All recessed fixtures shall have a code accessible supply. Use reach-through type fixtures in non-accessible ceilings or other suitable means. Coordinate with general contractor.
All recessed incandescent fixtures shall have built in thermal cut out device.
Support: Capable of carrying 5 times fixtures weight.
Accessories: Provide all necessary to complete installation. Leave fixtures clean.
3.06 MOUNTING LOCATIONS:
A. Unless otherwise shown on drawings, locate as close to door jamb as possible; if more than one, arrange in row.
B. Mounting heights above floor, unless otherwise shown on drawing:
1. Switches:
48 inches, except:
44 inches in restrooms
54 inches warehouse & service bays
2. Receptacles: 18 inches
Telephone: 18 inches
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