Washington Administrative Code › Title 51 - Enterprise Services, Department of (Building Code Council) › Chapter 51-11C - State Building Code adoption and amendment of the 2021 edition of the International Energy Conservation Code, Commercial › Section 51-11C-405064 - Table C405.5.3(2)-Individual lighting power allowances for building exteriors

Current through Register Vol. 24-14, July 15, 2024
Table C405.5.3(2)
Lighting Power Allowances for Building
				Exteriors
Lighting
							 Zones
Zone 1
Zone 2
Zone 3
Zone 4
Base Site Allowance
160 W
280 W
400 W
560 W
Uncovered Parking
							 Areas
Parking areas and drives
0.015
							 W/ft2
0.026
							 W/ft2
0.037
							 W/ft2
0.052 W/ft2
Building
							 Grounds
Walkways and ramps less than 10 feet
							 wide
0.04 W/ft2
0.07
							 W/ft2
0.10
							 W/ft2
0.14 W/ft2
Walkways and ramps 10 feet wide or greater, plaza
							 areas, special feature areas
0.04 W/ft2
0.07
							 W/ft2
0.10
							 W/ft2
0.14 W/ft2
Dining areas
0.156
							 W/ft2
0.273
							 W/ft2
0.390
							 W/ft2
0.546 W/ft2
Stairways
Exempt
Exempt
Exempt
Exempt
Pedestrian tunnels
0.063
							 W/ft2
0.110
							 W/ft2
0.157
							 W/ft2
0.220 W/ft2
Landscaping
0.014
							 W/ft2
0.025
							 W/ft2
0.036
							 W/ft2
0.050 W/ft2
Building Entrances and
							 Exits
Pedestrian and vehicular entrances and
							 exits
5.6 W/linear foot of opening
9.8 W/linear foot of opening
14.0 W/ linear foot of opening
19.6 W/ linear foot of opening
Entry canopies
0.072
							 W/ft2
0.126
							 W/ft2
0.180
							 W/ft2
0.252 W/ft2
Loading docks
0.104
							 W/ft2
0.182
							 W/ft2
0.260
							 W/ft2
0.364 W/ft2
Sales
							 Canopies
Free standing and attached
0.20
							 W/ft2
0.35
							 W/ft2
0.50
							 W/ft2
0.70 W/ft2
Outdoor Sales
Open areas (including vehicle sales
							 lots)
0.072
							 W/ft2
0.126
							 W/ft2
0.180
							 W/ft2
0.252 W/ft2
Street frontage for vehicle sales lots in addition to
							 "open area" allowance
No Allowance
7 W/ linear foot
10.3 W/linear foot
14.4 W/ linear foot
For SI: 1 foot = 304.8 mm, 1 watt per square foot = 10.76 W per
				m2
Table C405.5.3(3)
Individual Lighting Power Allowances for Building
				Exteriors
Lighting
							 Zones
Zone 1
Zone 2
Zone 3
Zone 4
Building façade
No allowance
0.075 W/ft2 of gross
							 above-grade wall area
0.113 W/ft2 of gross
							 above-grade wall area
0.150 W/ft2 of gross
							 above-grade wall area
Automated teller machines (ATM) and night
							 depositories
80 W per location plus 25 per additional
							 ATM
80 W per location plus 25 per additional
							 ATM
80 W per location plus 25 per additional
							 ATM
80 W per location plus 25 per additional
							 ATM
Uncovered entrances and gatehouse inspection stations
							 at guarded facilities
0.144
							 W/ft2
0.252
							 W/ft2
0.360
							 W/ft2
0.504 W/ft2
Uncovered loading areas for law enforcement, fire,
							 ambulance and other emergency service vehicles
0.104
							 W/ft2
0.182
							 W/ft2
0.260
							 W/ft2
0.364 W/ft2
Drive-up windows/doors
53 W per drive through
92 W per drive through
132 W per drive through
185 W per drive through
Parking near 24-hour retail entrances
80 W per main entry
140 W per main entry
200 W per main entry
280 W per main entry
Statutory Authority:
				  RCW
				    19.27A.020,
				  19.27A.025 and
				  chapters
				  19.27 and
				  34.05 RCW. 13-04-056, §
				  51-11C-405064, filed 2/1/13, effective
				  7/1/13.