Air
Room
Air
Room Name
Indoor
Pressure
Temperature
Changes/Hr
Recirculation
Design
Control
Air
Conditions
Chief's Office
General
General
General
General
Special
General
General
General
General
General
Reception/Secret
ary (See Note
(d)
Corridor (See
General
General
General
General
General
Notes (e)& (f)
NOTES:
(a) A.V. Recording room is also known as the A.V. Production Room. Still
photography and Video Recording Studio is also defined as the A.V.
Production Room.
(b) These rooms have a substantial light load and other internal heat gain
due to equipment. Allowance must be made for the heat generated by the
lights and equipment based on the actual equipment installed. Minimum heat
load = 3000 W (10,000 BTUH).
(c) This space can be combined with the corridor or other circulation
area, if feasible, to form a temperature control unit.
(d) If this area directly communicates with the corridor space, the
corridor can be included in the temperature control zone.
(e) The air supplied to the corridor is used as make-up for maintaining
negative air pressure in the adjoining areas. Therefore, if air quantity
in excess of four air changes per hour is required in the corridor, the
supply air volume shall be increased accordingly.
(f) The toilets and janitors closets connected to the corridor shall also
use the corridor air as make-up for their exhaust needs. These areas shall
be exhausted outdoors at the rate of 10 air changes per hour. Ducted
supply air shall not be introduced in these spaces. Note that the toilets
do not require any room temperature control in the cooling mode. For
winter heating, thermostatically controlled terminal heating devices shall
be provided for exterior toilets.
HVAC DESIGN MANUAL
3-16
HVAC REQUIREMENTS FOR OCCUPIED AREAS
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