06-06
2.
The ducted supply air shall not be used to ventilate the
janitor closets and private toilets with one fixture.
Instead, room air from the occupied spaces and corridors,
directly connected to the janitor closets and private toilets,
shall be used as make up air for exhaust. The make up air
shall be brought in by door undercuts and louvers. The
capacity of the undercuts shall be limited to 42 m3/min (150
cfm).
3.
The ducted supply air shall be used to ventilate the public
toilets equipped with multiple fixtures. The public toilets
shall be treated as a dedicated temperature control zone. To
maintain 15% negative pressure in public toilets, room air
from the corridors shall be transferred as make up by door
louvers and/or undercuts.
4.
The locker room shall receive ducted supply air and shall be
treated as a dedicated temperature control unit. All air
supplied to the locker rooms (and make up air transferred from
the corridors to maintain negative pressure) shall be
exhausted outdoors through the toilets/showers adjoining the
locker room.
5.
The soiled storage spaces shall receive ducted supply air and
shall be maintained under negative pressure (15%) by drawing
room air through the door undercut.
2.6 NOISE CRITERIA
A. OCCUPIED SPACES:
TABLE 2.4
AREA
MAXIMUM NC
Animal Research Areas
NC 40
------------------------------------------
Conference Rooms
NC 35
------------------------------------------
Corridors
NC 40
------------------------------------------
Laboratories
NC 45
------------------------------------------
Lobby
NC 40
------------------------------------------
Offices
NC 40
------------------------------------------
Notes:
1.
The above NC levels must be attained in all octave bands.
2.
The above NC levels may be increased for the areas
equipped with fan coil units. The designer shall submit
7
Previous Page
