ASHRAE-90.1-2022- - Page 166
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
Atrium
(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)
<20 ft in height 0.32 NA REQ ADD1 ADD1 REQ REQ ADD2 ADD2
20 ft and 40 ft in height 0.41 NA REQ ADD1 ADD1 REQ REQ ADD2 ADD2
40 ft in height 0.51 11 REQ ADD1 ADD1 REQ REQ ADD2 ADD2
Audience Seating Area
Auditorium 0.57 6 REQ ADD1 ADD1 REQ REQ ADD2 ADD2
Gymnasium 0.23 6 REQ ADD1 ADD1 REQ REQ REQ ADD2 ADD2
Motion picture theater 0.27 4 REQ ADD1 ADD1 REQ ADD2 ADD2
Performing arts theater 1.10 8 REQ ADD1 ADD1 REQ ADD2 ADD2
Sports arena 0.27 4 REQ ADD1 ADD1 REQ REQ ADD2 ADD2
All other audience seating areas 0.23 4 REQ ADD1 ADD1 REQ REQ ADD2 ADD2
Banking Activity Area 0.56 6 REQ ADD1 ADD1 REQ REQ REQ ADD2 ADD2
Classroom/Lecture Hall/Training Room
Shop classroom 1.17 6 REQ ADD1 ADD1 REQ REQ REQ
All other classrooms/lecture halls/training rooms 0.72 4 REQ ADD1 ADD1 REQ REQ REQ REQ
Computer Room 0.75 4 REQ ADD1 ADD1 REQ REQ REQ ADD2 ADD2
Conference/Meeting/Multipurpose Rooms 0.88 6 REQ ADD1 ADD1 REQ REQ REQ REQ
Control/Editing Room or Booth 0.73 6 REQ ADD1 ADD1 REQ REQ REQ ADD2 ADD2
Copy/Print Room 0.56 6 REQ ADD1 ADD1 REQ REQ REQ
Corridor 0.44 width <8 ft REQ REQ REQ REQ ADD2 ADD2
Courtroom 1.08 6 REQ ADD1 ADD1 REQ REQ REQ ADD2 ADD2
Dining Areas
Bar/lounge or leisure dining 0.76 4 REQ ADD1 ADD1 REQ REQ REQ ADD2 ADD2
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.