(Effective July 1, 2023)

PDFWAC 51-11C-407031

Tables for Section C407.3.

Table C407.3(1)
Carbon Emissions Factors
Type
CO2e (lb/unit)
Unit
Electricity
0.44
kWh
Natural gas
11.7
Therm
Oil
19.2
Gallon
Propane
10.5
Gallon
Othera
195.00
mmBtu
On-site renewable energy
0.00
 
a
District energy systems may use alternative emissions factors supported by calculations approved by the code official.
Table C407.3(2)
Building Performance Factors (BPF) to be used for Compliance with Section C407.3
Building Area Type
Building Performance Factor
Multifamily
0.55
Health care/hospital
0.71
Hotel/motel
0.53
Office
0.45
Restaurant
0.35
Retail
0.41
School
0.36
Warehouse
0.19
All others
0.44
Table C407.3(3)
Site Energy Performance Targets to be used for Compliance with Section C407.3
Building Area Type
Site Energy Performance Targets
Multifamily
0.59
Health care/hospital
0.72
Hotel/motel
0.62
Office
0.58
Restaurant
0.59
Retail
0.46
School
0.52
Warehouse
0.29
All others
0.55
[Statutory Authority: RCW 19.27A.020, 19.27A.025, 19.27A.160 and chapters 19.27A and 19.27 RCW. WSR 22-14-091, § 51-11C-407031, filed 7/1/22, effective 7/1/23.]