structural members, and length and sizes of welds anchored to steel
members.
2.15.5 DRAWINGS
2.15.5.1 Where SMACNA or NUSIG details are incomplete or not
applicable, show complete seismic restraint requirements and coordinate
with the specifications. Coordinate mechanical work with architectural
and structural work. Special provisions and details may be required.
2.15.5.2 Ductwork and Piping Plans and Sections: Show locations of
required restraints with reference to SMACNA, NUSIG or special
restraint details, whichever is applicable.
2.15.5.3 Equipment Restraints: Provide special details where required.
Pay particular attention to suspended equipment.
2.16
EMERGENCY POWER FOR HVAC
2.16.1 GENERAL
Refer to Electrical Design Manual Construction Standard 800-3 and NFPA
99, Essential Electrical Systems for Health Care Facilities.
2.16.2 LIST OF HVAC EQUIPMENT ON EMERGENCY POWER
(a) The engineering control center (ECC), each field cabinet, the
control air compressors and dryers, and any electric controls for
systems on emergency power
(b) Fan motors for laboratory fume hoods, H3, H7, H12 (B1 and B2 only),
and H13 and H14
(c) Refrigeration system and controls for food storage refrigerators
and freezers
(d) All supply and exhaust fans, water chillers, chilled water
circulating pumps and controls for surgical suites, intensive care
units, recovery rooms, and Coronary Care Units, and return air fans for
intensive care units and recovery rooms when used
(e) All supply and exhaust fans, water chillers and chilled water
circulating pumps and controls for Animal Research Facility
(f) Absorption chillers to prevent crystallization during a power
failure
(g) Heating equipment as required by NFPA 99 where outdoor winter
design temperature is -6.5 degrees C (20 degrees F) or less. Heating of
general patient rooms may not be required under certain conditions. See
NFPA 99
(h) Ventilation/cooling equipment for emergency generator rooms and
elevator machine rooms
(i) Exhaust fans for isolation rooms. See paragraph 3.21.4.5 under TB
criteria for possible exception for TB isolation room exhaust fan
HVAC DESIGN MANUAL
2-61
HVAC SYSTEMS AND EQUIPMENT
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