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PDFWAC 51-11C-405064

Table C405.5.2(2)Individual lighting power allowances for building exteriors.

Table C405.5.2(2)
Individual Lighting Power Allowances for Building Exteriors
 
 
Lighting Zones
 
 
Zone 1
Zone 2
Zone 3
Zone 4
Base Site Allowance (Base allowance is usable in tradable or nontradable surfaces.)
 
500 W
600 W
750 W
1300 W
Tradable Surfaces
Uncovered Parking Areas
(Lighting power densities for uncovered parking areas, building grounds, building entrances and exits, canopies and overhangs and outdoor sales areas are tradable.)
Parking areas and drives
0.04 W/ft2
0.06 W/ft2
0.08 W/ft2
0.10 W/ft2
 
Building Grounds
 
Walkways less than 10 feet wide
0.7 W/linear foot
0.7 W/linear foot
0.8 W/linear foot
1.0 W/linear foot
 
Walkways 10 feet wide or greater, plaza areas, special feature areas
0.14 W/ft2
0.14 W/ft2
0.16 W/ft2
0.2 W/ft2
 
Stairways
0.75 W/ft2
1.0 W/ft2
1.0 W/ft2
1.0 W/ft2
 
Pedestrian tunnels
0.15 W/ft2
0.15 W/ft2
0.2 W/ft2
0.3 W/ft2
 
Building Entrances and Exits
 
Main entries
20 W/linear foot of door width
20 W/linear foot of door width
30 W/linear foot of door width
30 W/linear foot of door width
 
Other doors
20 W/linear foot of door width
20 W/linear foot of door width
20 W/linear foot of door width
20 W/linear foot of door width
 
Entry canopies
0.25 W/ft2
0.25 W/ft2
0.4 W/ft2
0.4 W/ft2
 
Sales Canopies
 
Free standing and attached
0.6 W/ft2
0.6 W/ft2
0.8 W/ft2
1.0 W/ft2
 
Outdoor Sales
 
Open areas (including vehicle sales lots)
0.25 W/ft2
0.25 W/ft2
0.5 W/ft2
0.7 W/ft2
 
Street frontage for vehicle sales lots in addition to "open area" allowance
No Allowance
10 W/linear foot
10 W/linear foot
30 W/linear foot
Nontradable Surfaces (Lighting power density calculations for the following applications can be used only for the specific application and cannot be traded between surfaces or with other exterior lighting. The following allowances are in addition to any allowance otherwise permitted in the "Tradable Surfaces" section of this table.)
Building facades
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 and night depositories
270 W per location plus 90 W per additional ATM per location
270 W per location plus 90 W per additional ATM per location
270 W per location plus 90 W per additional ATM per location
270 W per location plus 90 W per additional ATM per location
 
Entrances and gatehouse inspection stations at guarded facilities
0.75 W/ft2 of covered and uncovered area
0.75 W/ft2 of covered and uncovered area
0.75 W/ft2 of covered and uncovered area
0.75 W/ft2 of covered and uncovered area
 
Loading areas for law enforcement, fire, ambulance and other emergency service vehicles
0.5 W/ft2 of covered and uncovered area
0.5 W/ft2 of covered and uncovered area
0.5 W/ft2 of covered and uncovered area
0.5 W/ft2 of covered and uncovered area
 
Drive-up windows/doors
400 W per drive-through
400 W per drive-through
400 W per drive-through
400 W per drive-through
 
Parking near 24-hour retail entrances
800 W per main entry
800 W per main entry
800 W per main entry
800 W per main entry
For SI:
1 foot = 304.8 mm, 1 watt per square foot = W/0.0929 m2
[Statutory Authority: RCW 19.27A.025, 19.27A.160, and 19.27.074. WSR 16-03-072, § 51-11C-405064, filed 1/19/16, effective 7/1/16. Statutory Authority: RCW 19.27A.020, 19.27A.025 and chapters 19.27 and 34.05 RCW. WSR 13-04-056, § 51-11C-405064, filed 2/1/13, effective 7/1/13.]
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