ASHRAE-90.1-2022- - Page 340

Extracted Content

Table G3.7-1 Performance Rating Method Lighting Power Density Allowances andOccupancy 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)