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PDFWAC 51-11C-71021

Table B102Acceptable occupancy densities, receptacle power densities and service hot water consumption.

TABLE B102
Acceptable Occupancy Densities, Receptacle Power Densities
and Service Hot Water Consumptiona
Building Type
Occupancy Densityb ft2/Person (Btu/h • ft2)
Receptacle Power Densityc, Watts/ft2 (Btu/h • ft2)
Service Hot Water
Quantitiesd Btu/h per person
Assembly
50 (4.60)
0.25 (0.85)
215
Health/Institutional
200 (1.15)
1.00 (3.41)
135
Hotel/Motel
250 (0.92)
0.25 (0.85)
1,110
Light Manufacturing
750 (0.31)
0.20 (0.68)
225
Office
275 (0.84)
0.75 (2.56)
175
Parking Garage
NA
NA
NA
Restaurant
100 (2.30)
0.10 (0.34)
390
Retail
300 (3.07)
0.25 (0.85)
135
School
75 (3.07)
0.50 (1.71)
215
Warehouse
15,000 (0.02)
0.10 (0.34)
225
a
The occupancy densities, receptacle power densities, and service hot water consumption values are from ASHRAE Standard 90.1-1989 and addenda.
b
Values are in square feet of conditioned floor area per person. Heat generation in Btu per person per hour is 230 sensible and 190 latent. Figures in parenthesis are equivalent Btu per hour per square foot.
c
Values are in watts per square foot of conditioned floor area. Figures in parenthesis are equivalent Btu per hour per square foot. These values are the minimum acceptable. If other process loads are not input (such as for computers, cooking, refrigeration, etc.), it is recommended that receptacle power densities be increased until total process energy consumption is equivalent to 25 percent of the total.
d
Values are in Btu per person per hour.
[Statutory Authority: RCW 19.27A.020, 19.27A.025 and chapters 19.27 and 34.05 RCW. WSR 13-04-056, § 51-11C-71021, filed 2/1/13, effective 7/1/13.]
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