88
Computer Load 10.8 VA/sq m
General Purpose Receptacles 5.4 VA/sq m
Miscellaneous Loads 10.8 VA/sq m
Future Spare Capacity +25%
Minimum Power Factor
0.9
Transformer Impedance
5.75%
3.10.3.2 Interior Lighting
3.10.3.2.1 The lighting system should consist of 600 mm by 200 mm
lensed lay-in fluorescent light fixtures in offices, classrooms, corridors,
toilets and general areas. All mechanical and small storage rooms
should be provided with fluorescent strip lighting. All fluorescent light
fixtures should be provided with energy saver lamps and ballasts.
3.10.3.2.2 Emergency lighting shuld be provided per NFPA 101
utilizing either battery emergency lighting fixtures or emergency battery
backup ballasts in the fluorescent fixtures. Exit lights with battery
backup should be used. All emergency and exit lights should be
connected to the room lighting circuit, ahead of any local switching.
An emergency lighting fixture should be installed in all mechanical
rooms.
3.10.3.2.3 Lighting foot-candle levels for the individual areas should
conform to levels as indicated in Chapter 4.
3.10.3.2.4 In calculating foot-candle levels in the office areas, the
following criteria for surface reflectance should be used. A
maintenance factor of .7 should be used in the calculations. Floors:
20% Ceilings: 80% Walls: 50%
3.10.3.2.5 Provide lighting fixtures with appropriate lamps for the
function of the space.
3.10.3.2.6 Provide light switches in lobby areas, utility/ equipment
spaces, and special function rooms. Provide duallevel switching in
conference rooms and classrooms.
3.10.3.2.7 Provide a wall or ceiling mounted combination light switch
and passive infrared motion sensor for light control in private offices.
Ceiling-mounted motion sensors shall be considered for large rooms.
3.10.3.2.8 Provide ceiling-mounted ultrasonic motion sensors for light
control in open office areas, corridors, toilets, locker rooms, storage
rooms and physical fitness rooms. Lighting in unit storage cages
should be switched at the end of each row of cages, rather than within
each cage.
UFC 4-171-05
Previous Page
