ASHRAE-90.1-2022- - Page 341
Extracted Content
Table G3.7-2 Performance Rating Method Lighting Power Density Allowances and Occupancy Sensor Reductions Using the Space-by-Space Method
Lighting Power
Occupancy Sensor
Reduction [b]
Building-Specific Space Types [a]
Casino—Gaming Area
Density,
W/ft [2]
Betting/sportsbook/keno/bingo area 1.34 0%
High-limit game area 2.78 0%
Slot machine/digital gaming area 0.90 0%
Table games area 1.80 0%
Convention Center—Exhibit Space 1.30 35%
Correctional Facilities
Audience seating area 0.70 10%
Classroom 1.30 None
Confinement cells 0.90 10%
Dining area 1.30 35%
Dormitory—Living Quarters 1.11 10%
Facility for the Visually Impaired
Chapel (used primarily by residents) 2.77 10%
Corridor (used primarily by residents) 1.15 25%
Dining (used primarily by residents) 3.32 35%
Lobby (used primarily by residents) 2.26 25%
Recreation room (used primarily by residents) 3.02 10%
Restroom (used primarily by residents) 1.52 45%
Fire Station—Sleeping Quarters 0.30 10%
Gymnasium/Fitness Center
Exercise area 0.90 35%
Playing area 1.40 35%
Health Care Facility
Control room (MRI/CT/Radiology/PET) 2.14 10%
Exam/treatment room 1.50 10%
Hospital corridor 1.00 25%
Lounge 0.80 None
Medical supply room 1.40 45%
Nursery 0.60 10%
Nurse’s station 1.00 10%
Operating room 2.20 10%
Patient room 0.70 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%.
ANSI/ASHRAE/IES Standard 90.1-2022 (I-P) 339