ASHRAE-90.1-2022- - Page 167
Extracted Content
Table 9.5.2.1-1 Space-by-Space Lighting Power Density Allowances and Minimum Control Requirements Using Either Method
The control functions below shall be implemented in accordance with the descriptions found within Section 9.4.1.1. For each space type:
Informative Note: This table covers common space types typically found in multiple building types. Table 9.5.2.1-2 covers building -specific space types typically found in a single building type.
LPD, Common Space Types [a] W/ft [2] RCR
(1) All REQs shall be implemented. (2) At least one ADD1 (when present) shall be implemented. (3) At least one ADD2 (when present) shall be implemented.
Auto Full OFF
Daylight Response
Sidelight
Daylight Response
Toplight
Auto Reduction
(Full OFF complies)
Local Control
Manual
ON
Partial Auto ON
Multilevel
Lighting
Control
Scheduled
Shutoff
9.4.1.1(a) 9.4.1.1(b) 9.4.1.1(c) 9.4.1.1(d) 9.4.1.1(e) [ b] 9.4.1.1(f) [ b] 9.4.1.1(g) 9.4.1.1(h) 9.4.1.1(i)
Cafeteria or fast-food dining 0.36 4 REQ ADD1 ADD1 REQ REQ ADD2 ADD2
Family dining 0.52 4 REQ ADD1 ADD1 REQ REQ REQ ADD2 ADD2
All other dining areas 0.42 4 REQ ADD1 ADD1 REQ REQ REQ ADD2 ADD2
Electrical/Mechanical Room 0.71 6 REQ
Emergency Vehicle Garage 0.51 4 REQ ADD1 ADD1 REQ REQ ADD2 ADD2
Equipment Room 0.73 6 REQ ADD1 ADD1 REQ REQ ADD2 ADD2
Food Preparation Area 1.19 6 REQ ADD1 ADD1 REQ REQ ADD2 ADD2
Guest Room 0.41 6 See Section 9.4.1.3(b).
Laboratory
In or as a classroom 1.05 6 REQ ADD1 ADD1 REQ REQ REQ REQ ADD2 ADD2
All other laboratories 1.21 6 REQ ADD1 ADD1 REQ REQ REQ ADD2 ADD2
Laundry/Washing Area 0.51 4 REQ ADD1 ADD1 REQ REQ REQ REQ
Loading Dock, Interior 0.87 6 REQ ADD1 ADD1 REQ REQ ADD2 ADD2
Lobby
Elevator 0.64 6 REQ REQ REQ ADD2 ADD2
Hotel 0.48 4 REQ REQ REQ ADD2 ADD2
Motion picture theater 0.20 4 REQ REQ REQ ADD2 ADD2
Performing arts theater 1.21 6 REQ REQ REQ ADD2 ADD2
All other lobbies 0.80 4 REQ REQ REQ REQ ADD2 ADD2
Locker Room 0.43 6 REQ ADD1 ADD1 REQ REQ REQ REQ
Lounge/Breakroom
Mother’s/wellness room 0.68 6 REQ ADD1 ADD1 REQ REQ
All other lounges/breakrooms 0.55 4 REQ ADD1 ADD1 REQ REQ REQ REQ
a. Where both a common space type and a building -specific space type are listed, the building specific space type shall apply (see Table 9.5.2.1-2 for building -specific space types) . b. Automatic daylight responsive controls are mandatory only if the space meets the requirements of the specified sections.