| | 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 |
(Effective July 1, 2020)
Table C405.5.3(2)—Individual lighting power allowances for building exteriors.
Table C405.5.3(2)
Lighting Power Allowances for Building Exteriors
| Lighting Zones |
| Zone 1 | Zone 2 | Zone 3 | Zone 4 |
Base Site Allowance | 350 W | 400 W | 500 W | 900 W |
Uncovered Parking Areas |
Parking areas and drives | 0.03 W/ft2 | 0.04 W/ft2 | 0.06 W/ft2 | 0.08 W/ft2 |
Building Grounds |
Walkways and ramps less than 10 feet wide | 0.5 W/linear foot | 0.5 W/linear foot | 0.6 W/linear foot | 0.7 W/linear foot |
Walkways and ramps 10 feet wide or greater, plaza areas, special feature areas | 0.10 W/ft2 | 0.10 W/ft2 | 0.11 W/ft2 | 0.14 W/ft2 |
Dining areas | 0.65 W/ft2 | 0.65 W/ft2 | 0.75 W/ft2 | 0.95 W/ft2 |
Stairways | 0.6 W/ft2 | 0.7 W/ft2 | 0.7 W/ft2 | 0.7 W/ft2 |
Pedestrian tunnels | 0.12 W/ft2 | 0.12 W/ft2 | 0.14 W/ft2 | 0.21 W/ft2 |
Landscaping | 0.03 W/ft2 | 0.04 W/ft2 | 0.04 W/ft2 | 0.04 W/ft2 |
Building Entrances and Exits |
Pedestrian and vehicular entrances and exits | 14 W/linear foot of opening | 14 W/linear foot of opening | 21 W/linear foot of opening | 21 W/linear foot of opening |
Entry canopies | 0.2 W/ft2 | 0.25 W/ft2 | 0.4 W/ft2 | 0.4 W/ft2 |
Loading docks | 0.35 W/ft2 | 0.35 W/ft2 | 0.35 W/ft2 | 0.35 W/ft2 |
Sales Canopies |
Free standing and attached | 0.4 W/ft2 | 0.4 W/ft2 | 0.6 W/ft2 | 0.7 W/ft2 |
Outdoor Sales |
Open areas (including vehicle sales lots) | 0.2 W/ft2 | 0.2 W/ft2 | 0.35 W/ft2 | 0.5 W/ft2 |
Street frontage for vehicle sales lots in addition to "open area" allowance | No Allowance | 7 W/linear foot | 7 W/linear foot | 21 W/linear foot |
For SI: | 1 foot = 304.8 mm, 1 watt per square foot = W/0.0929 m2 |
Table C405.5.3(3)
Individual Lighting Power Allowances for Building Exteriors
| Lighting Zones |
| Zone 1 | Zone 2 | Zone 3 | Zone 4 |
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 | 135W per location plus 45W per additional ATM per location |
Entrances and gatehouse inspection stations at guarded facilities | 0.5 W/ft2 |
Loading areas for law enforcement, fire, ambulance and other emergency service vehicles | 0.35 W/ft2 |
Drive-up windows/doors | 200 W per drive-through |
Parking near 24-hour retail entrances | 400 W per main entry |
[Statutory Authority: RCW
19.27A.020,
19.27A.025,
19.27A.160 and chapter
19.27 RCW. WSR 19-24-040, § 51-11C-405064, filed 11/26/19, effective 7/1/20. 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.]