ASHRAE-90.1-2022- - Page 162

Extracted Content

Table 9.5.1 Lighting Power Density Allowances Using the Building Area Method

Building Area Typea	LPD, W/ft2
Automotive facility	0.73
Convention center	0.64
Courthouse	0.75
Dining: Bar lounge/leisure	0.74
Dining: Cafeteria/fast food	0.70
Dining: Family	0.65
Dormitory	0.52
Exercise center	0.72
Fire station	0.56
Gymnasium	0.75
Health care clinic	0.77
Hospital	0.92
Hotel/motel	0.53
Library	0.83
Manufacturing facility	0.82
Motion picture theater	0.43
Multifamily	0.46
Museum	0.56
Office	0.62
Parking garage	0.17
Penitentiary	0.65
Performing arts theater	0.82
Police station	0.62
Post office	0.64
Religious facility	0.66
Retail	0.78
School/university	0.70
Sports arena	0.73
Town hall	0.67
Transportation	0.56
Warehouse	0.45
Workshop	0.86

a. In cases where both a general building area type and a specific building area type are listed, the specific building area type shall apply.

d. The interior lighting power allowance for the building is the sum of the lighting power allowances of all

building area types. Trade-offs among building area types are permitted, provided that the total installed interior lighting power does not exceed the interior lighting power allowance .

9.5.2 Space-by-Space Method Compliance Path

9.5.2.1 Space-by-Space Method of Calculating Interior Lighting Power Allowance. Use the following steps to determine the interior lighting power allowance by the Space-by-Space Method:

160 ANSI/ASHRAE/IES Standard 90.1-2022 (I-P)