environmentally suitable for the indicated locations.
2.2
NAMEPLATES
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NOTE: In a salt water environment substitute
acceptable non-corroding metal, such as but not
limited to nickel-copper, 304 stainless steel, or
monel. Aluminum is unacceptable. Nomenclature (or
system identification) should be established by the
designer.
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Major equipment including cooling towers, cooling tower gear drive
assemblies, fans, and motors shall have the manufacturer's name, address,
type or style, model or serial number, and catalog number on a plate
secured to the item of equipment. Plates shall be durable and legible
throughout equipment life and made of [anodized aluminum] [stainless steel]
[_____]. Plates shall be fixed in prominent locations with nonferrous
screws or bolts.
2.3
ELECTRICAL WORK
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NOTE: Where motor starters for mechanical equipment
are provided in motor-control centers, the
references to motor starters will be deleted.
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Electrical equipment, motors, motor efficiencies, and wiring shall be in
accordance with Section 16402 INTERIOR DISTRIBUTION SYSTEM. Electrical
motor driven equipment specified shall be provided complete with motors,
motor starters, and controls. Electrical characteristics shall be as
shown, and unless otherwise indicated, all motors of 746 kW (1 hp) 1
horsepower and above with open, dripproof, totally enclosed, or explosion
proof fan cooled enclosures, shall be high efficiency type. Field wiring
shall be in accordance with manufacturer's instructions. Each motor shall
conform to NEMA MG 1 and NEMA MG 2 and be of sufficient size to drive the
equipment at the specified capacity without exceeding the nameplate rating
of the motor. Motors shall be continuous duty with the enclosure
specified. Motor starters shall be provided complete with thermal overload
protection and other appurtenances necessary for the motor control
indicated. Motors shall be furnished with a magnetic across-the-line or
reduced voltage type starter as required by the manufacturer. Motor duty
requirements shall allow for maximum frequency start-stop operation and
minimum encountered interval between start and stop. Motors shall be sized
for the applicable loads. Motor torque shall be capable of accelerating
the connected load within 20 seconds with 80 percent of the rated voltage
maintained at motor terminals during one starting period. Motor bearings
shall be fitted with grease supply fittings and grease relief to outside of
enclosure. Manual or automatic control and protective or signal devices
required for the operation specified and any control wiring required for
controls and devices specified, but not shown, shall be provided.
SECTION 15645A
Page 9
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