(e) Provide ceiling mounted electric radiant heater, of minimum 10 kW
capacity, at the rear of the ambulance entrance to maintain 15 degrees C
(60 degrees F) (minimum) in room without ventilation.
3.3 ANIMAL RESEARCH FACILITY
3.3.1 GENERAL
(a) Indoor Design Conditions for Animal Rooms:
Summer: 18 degrees C (65 degrees F) Db, 60 Percent RH (5 Percent)
Winter: 29 degrees C (85 degrees F) Db, 30 Percent RH (5 Percent)
(b) All supply and exhaust fans, water chillers, chilled water circulating
pumps and automatic temperature controls shall be on emergency power.
(c) See Veterinary Medicine Unit (VMU) Design Guide for information for
other areas.
3.3.2 SPECIFIC REQUIREMENTS
(a) Provide a 100 percent outdoor air, constant volume (single or dual
duct) HVAC system. Provide multiple systems, if necessary.
(b) Provide exhaust filter grilles with one-inch thick surface mounted
filter, at approximately seven inches above the finished floor, in animal
holding area.
(c) See Article 2.12 for the requirement of the dedicated refrigeration
equipment.
(d) Coordinate locations, sizes, and types of fume hoods with the
appropriate exhaust system(s) in accordance with the requirements
described in Article 2.11.
(e) Control valves for preheat and reheat coils shall be normally closed
(NC).
(f) Provide local space temperature alarms (high and low) at the animal
holding areas and at ECC. Coordinate location of local alarms with the
medical center.
3.3.3 ANIMAL OPERATING ROOMS
The HVAC requirements are the same as for the human operating rooms with
the following exceptions:
(a) Indoor temperature and humidity recorders are not required.
(b) Supply air ducts need not be constructed from stainless steel.
(c) Exhaust air grilles may be located at the floor or ceiling level.
3.3.4 CAGE WASHERS
(a) Provide a dedicated exhaust system by placing a canopy (VA Type A)
hood over the cage washer to remove moist air when the cage washer is
operating. When cage washer door(s) are open (get signal from washer
control panel) air shall be exhausted through the washer 125 Pa (1/2-inch
HVAC DESIGN MANUAL
3-2
HVAC REQUIREMENTS FOR OCCUPIED AREAS