DG 1110-3-106
Table 4-14 Criteria for Projection Rooms.
Space Criteria
150 s.f.
Area
8 ft.
Ceiling Height
50 psf
Floor Loading
Environmental
Thermal
Temperature, maintained operation
50-60%
Relative humidity
10 cfm (minimum)
Outside air required/person
6 per hour (minimum)
Air changes
40 cfm (maximum)
Air movement
Positive
Air pressure
35% (minimum using NBS dust spot test)
Air filtration efficiency
Lighting
30 fc. (maintained)
General lighting level
70, reference: IES Lighting Handbook Applications
Visual comfort probability
Volume
80-90%
Surface reflectance: Ceiling
40-60%
Walls
20-40%
Floor
Enclosing sound wall rating:
STC 45
Between projection and class
Electrical
110/120 V
Power
4-68
Previous Page
