ASHRAE-90.1-2022- - Page 340
Extracted Content
Table G3.7-1 Performance Rating Method Lighting Power Density Allowances and Occupancy Sensor Reductions Using the Space-by-Space Method (Continued)
Lighting Power
Occupancy Sensor
Reduction [b]
Common Space Types [a]
Density,
W/ft [2]
Laundry/Washing Area 0.60 10%
Loading Dock, Interior 0.59 10%
Lobby
Elevator 0.80 25%
Hotel 1.10 25%
Motion picture theater 1.10 25%
Performing arts theater 3.30 25%
All other lobbies 1.30 25%
Locker Room 0.60 25%
Lounge/Breakroom
Mother’s/wellness room 1.13 24%
All other lounge/breakroom 1.20 None
Office
Enclosed and 250 ft [2] 1.10 30%
Enclosed and >250 ft [2] 1.10 30%
Open plan 1.10 15% [c]
Parking Area, Interior
Daylight transition zone 1.75 30%
All other parking areas and drive areas 0.18 30%
Pharmacy Area 1.20 10%
Restroom 0.90 45%
Sales Area 1.70 15%
Seating Area, General 0.68 10%
Security Screening
Airport/bus/ship/train/transportation screening 1.53 0%
Airport/bus/ship/train/transportation screening queue 0.92 0%
General security screening 1.06 0%
Stairwell 0.60 75%
Storage Room
50 ft [2] 0.80 45%
<50 ft [2] 0.80 45%
Vehicular Maintenance Area 0.70 10%
Workshop
Preschool through 12th grade, laboratory, and shop classrooms 1.40 30%
All other workshops 1.90 10%
a. In cases where both a common space type and a building -specific space type are listed, the building -specific space type shall apply. b. For manual -ON or partial-auto-ON occupancy sensors, the occupancy sensor reduction factor shall be multiplied by 1.25. c. For occupancy sensors controlling individual workstation lighting, occupancy sensor reduction factor shall be 30%.
338 ANSI/ASHRAE/IES Standard 90.1-2022 (I-P)