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Complete Compiled Specification.pdf - Peck Ormsby Construction

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Motors provided with automatic control shall be capable of making as frequent starts as the control device may<br />

demand. Motors not provided with automatic control shall be capable of making not less than 4 starts per hour.<br />

All belt-connected motors, regardless of size, shall be equipped with shafts and bearings that will withstand both<br />

the normal belt pull of the drive furnished and the momentary or continuous overloads due to acceleration of<br />

incorrect belt tension.<br />

Motors shall be air cooled, and shall be guaranteed to operate continuously at 115% of full load with temperature<br />

rise in any part not to exceed 40 degrees C above the ambient air temperature.<br />

Motors shall be open drip-proof or totally enclosed fan cooled type as required, and shall be commercially<br />

dynamically balanced and tested at the factory before shipment.<br />

Motors shall be selected for quiet operation. Sound power levels shall be within NEMA MGI-12.49.<br />

Motors shall comply with requirements of ANSI C 50, NEMA MG-1, and all NEMA standards.<br />

Motors controlled by variable frequency drives shall have characteristics which are fully compatible with the<br />

drives to which they are connected. Provide written confirmation of coordination with VFD supplier.<br />

Approved Manufacturers: Allis-Chalmers, Century, Gould, Lincoln, Reliance, Westinghouse, U.S.<br />

HEATING CABLE:<br />

Furnish and install complete electrical heating cable on all pipe and fittings which may be exposed to freezing.<br />

Heat cable shall be of the self-regulating low temperature type with a heat output of 5 watts/ft. (17 BTUH/ft), and<br />

a weather-proof PVC sheath. The heating cable shall automatically adjust heat output to correspond with the<br />

heat loss rate. Cable shall be UL and FM approved for use in rainwater downspout ice melting applications, and<br />

for freeze Protection on exterior piping systems.<br />

Cable system shall be furnished with power termination, end seal kits, splice and tee fittings, and all accessories<br />

required for a complete installation.<br />

Approved Manufacturers: Thermon or prior approved equal.<br />

SEISMIC RESTRAINTS:<br />

All Division 15 equipment, piping, and ductwork shall be anchored and seismically restrained as required by the<br />

UBC for Seismic Zone 3, NFPA 90A (current edition), UL Standard 181, and the SMACNA Guidelines for<br />

seismic restraints of mechanical systems.<br />

The Division 15 contractor shall be responsible for supplying and installing equipment, vibration isolators, flexible<br />

connections, rigid steel frames, anchors, inserts, hangers and attachments, supports, seismic snubbers and<br />

bracing to comply with Seismic Zone 3 of the International Building Code.<br />

All supports, hangers, bases, anchorage and bracing for all isolated equipment shall be designed by a<br />

professional engineer employed by the restraint manufacturer, qualified with seismic experience in bracing for<br />

______________________________________________________________________________________<br />

SEGO LILY ELEMENTARY SCHOOL CLASSROOM ADDTION March 2, 2009<br />

BASIC MATERIALS & METHODS 15050-17

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