1.
Electrical enclosures shall be NEMA 12 for indoor units above the rail and
NEMA 4 for outdoor and below the rail indoors units unless otherwise
Indicated.
2.
Starters shall be complete with two (2) sets of auxiliary contacts; one set
normally open; one set normally closed.
3.
For motors 25 HP or greater provide autotransformer type reduced
voltage starters unless otherwise Indicated.
S.
Control devices necessary for proper operation shall be provided and shall be
located to permit efficient operation of the equipment, and where possible shall be
ground in a factory fabricated NEMA approved control panel complying with
requirements Indicated.
T.
Switches, lights, and control functions shall be identified with legend plates. The
plates shall be constructed of polyvinyl chloride material of laminated multiple
constructions, and engraved with appropriate legends. The legend plates,
including size of letters, colors, and legend shall be submitted to the Engineer for
approval. The legend plates shall be mounted on the equipment in an approved
manner. No decals will be accepted.
U.
Permanently label all equipment items including but not limited to switches,
starters, controllers, and start-stop stations with engraved PVC labels with
minimum 1 inch high lettering to identify corresponding equipment items.
V.
Wiring shall be provided for complete installation of all equipment and accessories
and shall be adequate for proper operation of equipment.
W.
Wire and cable for light, power, and control circuits shall conform to those specified
in the National Electrical Code. In no case shall maximum current carried exceed
that specified by National Electrical Code for type of conductor used. Provide
conduit where required; all wiring and conduit shall be in accordance with the
requirements of National Electric Code.
X.
Make connection to secondary side of disconnect switch and provide all wiring and
conduit with supports from this point, including wiring to controller and starters.
Y.
Wire harnesses shall be used to the greatest extent possible.
Z.
Provide conduit where required; all wiring and conduit shall be in accordance with
the following requirements:
1.
Minimum conduit size permissible shall be ¾ inch.
2.
All wires shall be properly insulated and all conduit edges shall be protected
to prevent wire chafing.
3.
All wiring for the controls and motors shall be coordinated for use of type
MTW, THWN, and THHN standard wire.
IFB NO. 016-002
WHEEL TRUING MACHINE
TECHNICAL SPECIFICATIONS
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