HomeMy WebLinkAboutE901-ELECTRICAL-SPECIFICATIONS-Rev.0RELEASED FOR CONSTRUCTION
Subject to compliance with all regulations
of State and Local Codes
City of Camel (�
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DATE: \ 10/16/19
Electrical Specifications
Work and Workmanship
1. Provide all required labor, materials, equipment and Contractors services necessary for
complete installation of systems required in full conformity with requirements of authorities
having jurisdiction; all as indicated on Drawings and herein specified.
2. Finished job shall be functional and conplete in every detail, including any and all such
items required for a complete systems whether or not these items be specified or shorn on
Drawings.
3. Special attention shal l be given to accessibility of working parts and controlling parts.
Adjustable parts shall W within easy reach. Removable parts shall have space for removal.
4. Each Contractor shall acquaint himself with details of all work to be performed by other
trades and take necessary steps to Integrate and coordinate his work with other trades.
5. It is assumed the Contractor is familiar with standard first class installation procedures.
Therefore these Specifications do not attempt to include eve rydetail or operation
necessary for the complete installation.
6. It should be particularly noted that the terms "furnish" and "provide" are interchangeable
and that each of these means to rovide install and connect unless otherwise stated.
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]. Whenever tables or schedules show quantity of materials, they shall not be used as final
count. These figures serve only as a guide to the Contractor. Each Contractor shall be
responsible for furnishing all materials indicated on the Drawings and in the Specifications.
8. Contractor shall be responsible for protection,safekeeping, and cleanliness of all existing
equipment, materials, etc., located in spaces to be remodeled in which he is working. As
pad of his responsibility, he shall Provide necessary covers, structures, etc., as required to
keep all die, water, moisture and dust from equipment. The method the Contractor
Proposes to use in protecting equipment shall be coordinated with the Engineer and the
Owners representative for approval before any work is starred. Any damage sustained
during construction shall be corrected a replaced by the Contractor at his expense.
Assignment of Miscellaneous Work
1. Excavating and backfilling for electrical work shall be by the Electrical Contractor.
A. Properly support banks of excavation with safety sheet pile or safety boxes. Install
necessaryguartls. Provide adequate pumping equipment and keep excavation free of
water.
B. Excavate pipe trenches to proper depth. Where rock is encountered excavate to
below pipe and refill to 6" above pipe with compacted granular fill. Granular fill shall
consist of dune sand gravel, or other suitable material containing not more than 10%
by weight passing #200 sieve and 100%passing 1" sieve.
C. Excavation for utilities shall not be backfilled until all required tests are performed and
approved by Engineer and power company.
D. Whenever underground feeders are run below feelings and grade beams, Contractor
shall bacdill the void with poured steel -reinforced concrete to elevation of bottom of
footing or grade beam.
E. Backfill within building lines shall be made with granular fill or compacted backfill
material laid in 6' layers and tamed to specified compaction after each layer.
F. Backfill under paved area shall be made with granular compacted backfill material laid
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in 12"layers and tamed to compaction after each layer.
G. Backfill under open yards or fields shall be made with non compacted backfill laid in
layers not to exceed 2W dew. Sand trenches may be allowed to settle naturally and
shall be refilled back to grade as required during the first year after final acceptance.
H. Contractor shall refill, regrade and refinish any area that becomes unsatisfactory due to
settlement within one year after final acceptance.
I. Contractor shall verify all existing grades, inverts, utilities, obstacles land topographical
conditions prior to any trenching, excavation or underground installation. In the event
existing Conditions are such as to prevent installation in accordance with the Drawings
the Contractor shall immediately notify the Engineer.
2. Roof openings and flashing required by the Electrical contractor shall be by the Electrical
Contractor. The Electrical Contractor is responsible for the cored size and location of
same. Counterflashing by Electrical Contractor.
3. Cutting and patchingfor electrical equipment shall be by the Electrical Contractor.
A. Out structural materials where required only after approval from the Architect and
Engineer.
B. Electrical Contractor shall do all his own cutting and patching in finished area.
4. Sleeves and small openings(nottamed) for electrical equipment shall be furnished and set
by the Electrical Contractor.
A. Where electrical conduits pass through walls,roofs,ceilings, orfloors, Contractor shall
have sleeves set for them when floors, walls, ceilings, or roofs are constructed. If any
holes are cut in the finished work where sleeves have been omitted, cutting shall be
done with a concrete coring machine or other approved method and only with consent
of the Engineer. All such holes are to be carefully but and shall not be larger than
necessary. These holes are to be entirely Covered by escutcheon plates when work is
connectetl. Sleeves shall be made of steel pipe or rolled sheet steel no lighter than
#18 gauge.
B. Where contluits pass through sleeves in the existing walls, annular space shall be
caulked with oakum and filled inside and out with non hardening, waterproof sealant
finished off flush with both faces of wall.
Shop Drawings
1. Review of shop drawings does not relieve Contractor of responsibility for correct ordering of
material and equipment.
2. Include all significant data on shop drawing submittals shown in Specifications and
Equipment Schedule.
3. Contractor review should insure that equipment will fit into available space.
4. Submit shop drawings in dochure form and include all related equipment in one brochure.
5. Submit two (2) copies more than Contractor needs for his use.
6. After award of contract submit within 30 days.
]. Submit shop drawings of all major electrical components, such as light fixtures, panels, fire
alarm systems, etc. Coordinate with Engineer.
B. Contractor shall review and approve and affix his company name I in the form of a stamp)
and project name to all shop drawings and submittals before submitting.
Coordination Between Contractors
1. Each Contractor and Subcontractor shall study all Drawings applicable fo this work so
complete coordination between trades will be effected. Special attention shall be given to
points where conduits cross pipes and/or ducts, where conduit passes through walls and
columns, etc.
2. It is the responsibility of each Contractor and Subcontractor to leave necessary room for
other trades. No extra compensation will be allowed to cover the cost of removing piping,
conduit, or equipment found encroaching on space required by others.
Attaching to Building Construction
1. Equipment and raceway supports shall be attached to structural members (beams, joists,
etc.) Rather than tofloar or roof slabs. Do not attach to ceiling support wires.
2. Where equipment and raceway is suspended from existing concrete or masonry
construction, use expansion shields to attach supports to construction. Expansion shield
bolt diameter shall be same size as support rod diameter.
3. Whore existing masonry is not suitable to receive and hold expansion shield or where other
means of attachment is advantageous, Contractor shall submit alternate methodfor
approval by Engineer.
4. Equipment to be installed in groups shall not be Mounted directly to masonry or concrete
walls. Mount 1" x 1" structural channel such as unistrut, to wall and secure equipment to
these channels.
S. Where raceway is suspended from structural steel building framing or supporting members,
furnish and install beam clamps for attaching piping device to building member.
6. Obtain approval from Owner or Engineer before cutting or welding to structural members,
or before hanging heavy equipment.
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Electrical Connections to Equipment
1. In the event that the supplier requires a larger starter or disconnect than those indicated on
the Documents, he shall reimburse the Contractor supplying these items for the difference.
Labeling and Tagging
1. The Electrical Contractor shall label all electrical equipment by one of these methods
described below:
A. Printed card labels may be used on items of equipment furnished with plastic windows.
Labeling of the cards shall be nearly Printed using a lettering device such as Leroy
Instrument.
B. Directories on the inside of consonance shall W typewritten and shall show a list of
circuits and points, equipment, or areas supplied.
C. Motor starter interlocked with other starters or controls to be Provided with labels on
the inside of the cover stating the nature of the interlock system (i.e., interlocked with
120V circuit from PRV#1).
D. Labels or tags inside the cover of safety switches or motor starters noting interlocks,
conductor sizes, etc., may be of embossed adhesive tape type.
E. Label inside of all wiring device coverplates to indicate circuit number. Use waterproof
felt tip marker.
Codes and Standards
1. All materials and workmanship shall comply with all applicable codes.
2. All applicable codes and standards shall include all state laws, local ordinances, utility
company regulations, and applicable requirement of nationally accepted codes and
standards.
3. In case of a difference in building codes, specifications, state laws, local ordinances,
industry standards, and utility company regulations, and Contract Documents, the most
stringent shall govern. The Contractor shall promptly notify the Engineer in writing of such
a difference.
4. Non -Compliance: should the Contractor perform any work that doesn't comply with the
requirements of applicable building codes, state laws, local ordinances industry standards
and utility company requirements, he shall bear all costs arising in correcting the
deficiencies.
Electrical Raceways
1. Raceways
A. Interior exposed and concealed:
Electrical Metallic Tubing (EMT-Thinwall): Galvanized or sherandized steel type; UL
approved. Allied Republic Steel, Triangle, or equal. (M.C. cable is an acceptable
equal to EMT).
B. Motor connections:
Flexible Type: Galvanized grounding and single strip type with smooth wiring
channel; UL approved neoprene jacketed in moist locations and for connections to
motors. American Brass Sealtite Type EF; Elecin Flex: H.K. Porter; Triangle or equal.
C. Exterior, underground and low voltage:
Rigid NonMetallicType (PVC): Heavy, Schedule 40, PVC duct, UL listed joints
solvent waded fittings and cement by same manufacture Carton or equal.
D. Surface metal raceway(Wiremoltl):
1 piece raceway system with all necessary fittings. Wiremold, or equal.
2. Fittings
A. Electrical Metallic tubing (EMT):
All fittings shall be rain light, concrete -tight compression type thinwall, steel or malleable
iron. Fittings shall maintain continuity of ground. Appleton, Race, Thomas and Betts
or equal.
B. Flexible:
Liquid -tight connectors shall have insulated throats, steel or malleable iron body,
neoprene gasket and maintain continuity of ground. Connectors shall be compression
type. Appleton, RaCi Thomas and Betts or equal.
C. Bushings:
Metallic or insulated as required; steel or malleable iron construction of standard pipe
dimensions. Appleton, Race, Thomas and Betts or equal.
D. Lock Nuts:
Case handened steel or malleable iron. Lock nut shall insure continuity of ground.
Appleton, Race, Thomas and Betts or equal.
Electrical Wiring
1. Cable Lugs and Taps
A. Lugs for termination of conductors in distribution panels, motors, etc., either provided
by manufacturer or by Contractor, shall be TBB compression type or equal. Series
53100 for conductors #8 AWG to 4/0 and Series 53200 for conductors 250 MGM and
larger. All lugs and contact surfaces where lugs are installed shall be silverplated.
B. Termi nals for control wire shall be ti need ri ng tongue type:
Buchanan Turned; T&B Shaken or approved equal.
C. Splices and connections to conductors larger than #8 AWG shall be by means of
compression type TBB Series 53500 for 2-way and Series 53300 for 3-way
connections; or equivalent Bundy connectors. Splices and taps shall have at least
equivalent mechanical strength and insulation as conductors.
D. Splicing of conductors 4110 AWG or smaller shall be by one of the following methods:
Conductors shall be Misted together and soldered. Preinsulated spring press
connectors such as Scotchlock types V, R and B, Ideal Wingnut or equal.
2. Wire and Cable Up to 600 Volts
A. Insulation:
Color coded thermoplastic type rated 600V except where otherwise noted. #12 AWG
through #8 AWG - ]5°C, #6 AWG through #500 AWG - 90°C.
B. Conductors:
Soft drawn copper, each strand individually tinned or coated with approved alloy (Class
B standing).
C. Conductors ado and Smaller:
For final connections to motors and all locations where vibration a movement is
present- Class B, stranded conductors. For all other locations- solid conductors.
Electrical Wiring (Cont.)
2. Wire and Cable Up to 600 Volts
D. Conductors 48 and Larger:
Double braid Class B, stranded.
E. Minimum Wire Size:
General - #12; over 69 - #10; over 99 - #8; over 145' - #6; control - #14; signal - al or
as detailed in
appropriated section of these specifications or shown on Drawings.
F. Types and Uses (unless otherwise specified or indicated on drawings):
Up to and including 100 amp circuits - THW, THWN or THNN rated at 75-C ampacities.
Greater than 100 amp circuits - TH W, TH WN, or THNN, rated at 90°C ampacities.
G. Manufacturers:
Anaconda; ITT-Ro al Triangle, G.E. or equal.
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H. Wire Tags:
Main and feeder cables shall be tagged in all number
boxes equipment
s and whin utters of
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panels. Tags shall identify wire or cable number antl/ore ui meet sewed as shown on
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Drawings. Tags shall be metal or offlame-resisting adhesive material, T8B Type WSL
or equal.
I. Metallic clad cable is acceptable equal to EMT for 20 amp circuits.
Outlet Box Installation
1. Owner or his representative reserve the right to change the location of any outlet up to a
distance of 10'-0" at no extra charge providing necessary instructions are given prior to
roughing -in outlet.
2. Locations of all floor outlets shall be verified before rough -in.
Electrical Panels
1. Panels
A. Type:
Galvanized steel cabinets with trim and hinged door with lock. All locks to be keyed
alike.
B. Finish:
Standard factory finish.
C. Gutter Space:
4" minimum for 225 amp or less panels.
D. Main breakers:
Minimum 42 K.A.I.C.
E. Lugs:
Separate endures for each Conducts.
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F. Branches:
Bolt -on circuit breakers as specified. Number and size as indicated on Drawings.
G. Grounding Bus:
Provide separate copper bus for green ground conductors. Isolate ground bus from
neutral bus.
H. Manufacturers:
General Electric, Cuter Hammer, Siemens, Square D (NQOD) or equal.
2. Installation
A. Provide two 3/W spare conduits to above accessible ceiling for future use.
Electrical Wiring Devices
1. Toggle Switches
A. Switches shall be single pole, two pole, 3 way, 4 way, momentary or pilot lighted as
required and shall be heavy duty toggle or key operated, rated 20 amps, 120 V.
B. Proven five (5) spare keys for key operated switches.
C. Manufacturers:
Hubbell 1221, Bryant 4901, Pass and Seymour 201
2. Receptacles
A. All receptacles shall be grounding type and shall be duplex 1201 120/208V, single
phase, or 208-240V, three phase as required.
B. Dtplex receptacle shall be 20 amp, 120V, heavy duty specification grade, grounding
type. 20 amp manufacturers: Hubbell 5362, Bryant 5362, Pass and Seymour 6300.
C. Ground fault interrupter(GFI) receptacle shall be duplex with built in GFI set to trip at
five (50 milliampere maximum ground fault. Receptacle shall be rated 20 amps,
1201 standard, as required. No feed thru wiring is acceptable. Manufacturers:
Hubbell GF-5262, Bryant GFR52FT, pass and Seymour 1591-F.
Electrical Motor Starters
1. Manual motor stagers shall be toggle type snap switch with thermal overload device.
Manual starters shall be similar to Square D Class 2510.
2. Magnetic motor starters shall be 3 phase across -the -line type rated in accordance with
NEMA Standards. Coils shall be of molded construction. Overload relays shall be
replaceable melting alloy manual reset type, 1 per phase. Provide one spare auxiliary
interchangeable contact. Control devices (stop/start H-O-A, pilot light) shall be mounted in
cover of enclosure. Pilot lights shall be red unless otherwise indicated. Magnetic starters
shall be similar he Square D Class 8536. Combination magnetic motor stagers with fused
(or non -fused) disconnect switch shall be 3 phase across -the -line type rated in accordance
with NEMA Standards. Disconnect switch shall consist of visible blades. Disconnect
handle shall be clearly marked as to whether disconnect device is "OIg" or "OFF. Motor
starters in combination magnetic motor starters shall meet requirements of magnetic motor
darters previously outlined. Combination magnetic motor starters shall be similar up
Square D Class 8538.
3. Control stations shall contain heavy duty type devices. Push-button and selector switches
in control stations shall be base mounted with double break silver contacts. Pilot lights shall
be transformer type using 6-BV miniature bulb. Colored plot light lenses shall be
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interchangeable.
4. Manufacturers: Allen Bradley; ' Saunas D' Siemens' General Electric.
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Electrical Safety Switches (Disconnects)
1. Safety switches shall be heavy dutyfused or nenfused, with number of poles, electrical
characteristics, ratings and modifications are required (i.e., HP rating, short circuit
interrupting rating, etc.).
2. Switching mechanism shall be quick make, quick break, with handle that is patllockable in
'OFF position.
3. Enclosure shall be suitable for area in which it is to be installed and shall have detestable
door Interlock which prevents door from being opened when switch is "ON".
4. Fusible units which are to be equipped with current limiting fuses shall have fuseholders
with rejection clips to prevent other typefusesferm being installed.
5. Manufacturers: Square D; General Electric; Westinghouse; ITE.
Overcurrent Protection
1. General Requirements
A. Short circuit interrupting ratings shall be equal to a greater than maximum short circuit
cuoents possible in circuit location where devices will be installed and larger where
indicated.
B. Where used for other than motor circuits, devices shall W sized same as or next
standard size above conductor ampadty.
C. Where used for motor circuits, size shall be in accordance with NEC, and time delay
characteristics shall be suitable for motors acceleration time.
D. All devices shall be of time delay on nominal overloads and instantaneous operation on
high fault current type unless otherwise noted.
2. Circuit Breakers
A. Circuit breakers shall be an - erated load interrupter t with substantial case of
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moisture resistant, non -aging molded insulating material. Breakers shall be bolted
design unless otherwise indicated.
B. Concede shall be capper alloy or copper and enter alloy, with arc quenchers and barrier
for each pole.
C. Mechanism shall be quick -make, quick -break with trip element for each pole and
electrically and mechanically tip tee. Overcurnent on any pole of multi pole dreuit
creamer shall cause all poles to open.
D. Trip elements shall be ambient temperature compensated thermal magnetic type with
time delay on nominal overloads and instantaneous trip of shut circuits. Circuit
breakers larger than 100 amp shall have adjustable trips.
E. Operated handle shall W provided which will indicate "ON", "TRIPPED" and "OFF"
positions.
F. GFI breakers used in branch circuits shall have built-in ground fault sensor which will
automatically trip breaker n maximum five (5) mllllaop ground fault Unit shall have
built-in push -to -test button.
G. Breakers for control of LED/fluorescent lighting shall be switching duty type switch.
Breakers for control of HID lighting shall be SWD-HID rated.
Grounding
1. Entire installation to be grounded in accordance with NEC requirements.
2. Equipment shall be grounded thee one of the following paths to ground: Conduit system;
separate grounding conductor connected to main; grounding conductor a panelboard
ground bus; separate grounding conductor connected to ground rod installation.
3. At all electrical panels, install grounding bushings on al conduits and bond to panel ground
bus usingbase #4 AWG copper conductor. At junction boxes boxes in feeder conduit runs
appe
install grounding bushings on all conduits, lug on junction Max and bond conduits and box
together using bare #4 AWG copper conductor.
4. Wiring run in non-metallic duct and flexible conduit shall carry separate grounding
conductor.
5. At motor locations, motor tames shall be bonded to ground system by means of separate
conductor pulled from panel ground bus or bonding jumper form conduit to motor frames.
6. For telephone, alum, communication systems, etc., a#100 AWG copper conductor from
electrical ground system to each terminal cabinet or equipment location shall be considered
sufficient unless otherwise indicated.
]. Resistance to ground at any point shall not measure more than 25 ohms.
Electrical Light Fixtures
1. LED Light Fixtures
A. Construction:
Sheet steel, dieformed to provide structural strength.
B. Painting:
Fixtures to be properly tested for acceptance for finish coats. Finishes to be baked
white high reflectance enamel or Porcelain enamel.
C. Lens Panel Frames:
Lens panels for surface box type fixtures and for recessed troffers shall be framed,
hinges and latch. Frames and louvers shall be equipped with retaining means to
support tame during relamping.
D. Wires:
Heat resisting type in accordance with NEC.
E. Driver Mounting:
Fixture to be designed in such a manner that use temperature of driver does not
exceed 901 Al driver mounting studs to be welded to fixture.
F. Fixture manufactured with broadened steel to be painted. No unpainted edges of
fixture housing will be accepted.
2. Light Fixture Installation
A. Fixtures to be equipped with lamps of proper size and type as scheduled or
recommended by Manufacturer.
B. Tandunfixtures may be used in continuous rows providing finished appearance
conforms to appearance of individual units.
C. All rows of light fixtures to be properly aligned and burnoose.
D. Schedule of Lighting Fixtures on Drawings contains written description of fixture and
manufacturers catalog numbers. Numbers provided are intended to indicate design
and quality desired. Fixtures must meet requirements of this sperafication and of
description contained in schedule.
E. H outlet does not have fixture symbol, install fixture of same type used in similar
locations elsewhere on Drawings.
F. Lght fixtures shall be supported from the structural system, net the ceiling system. It is
the responsibility of the Electrical Contractor to coordinate with the Ceiling Contractor
to ensure adequate supports are furnished.
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