PDFWAC 51-11C-40627

Section C406.2Other measures.

C406.2.14 Enhanced commercial kitchen equipment. For buildings or areas designated as Group A-2, or facilities whose primary business type involves the use of a commercial kitchen with at least one gas or electric fryer, all fryers, dishwashers, steam cookers and ovens shall comply with all of the following:
1. Achieve the ENERGY STAR label in accordance with the specifications current as of January 1, 2022.
2. Be installed prior to the issuance of the certificate of occupancy.
3. Have the ENERGY STAR qualified model number listed on the construction documents submitted for permitting.
Energy efficiency credits for efficient commercial kitchen equipment shall be determined based on Equation 4-19, rounded to the nearest whole number.
(Equation 4-19)
Where:
 
AEECK
=
Section C406.2.14 table credits, to a maximum of those allowed in Table C406.2(1) for this option.
 
AreaK
=
Floor area of full-service kitchen (ft2 or m2).
 
AreaB
=
Gross floor area of building (ft2 or m2).
C406.2.15 Residential kitchen equipment. For projects with Group R-1 and R-2 occupancies, energy credits shall be achieved where not less than 90 percent of dishwashers, refrigerators, and freezers comply with all of the following:
1. Achieve the ENERGY STAR Most Efficient label in accordance with the 2021 specifications.
2. Be installed prior to the issuance of the certificate of occupancy.
For Group R-1 where only some guestrooms are equipped with both refrigerators and dishwashers, the table credits shall be prorated as follows:
[Section C406.2.15 table credits] x [Floor area of guestrooms with kitchens] / [Total guestroom floor area]
C406.2.16 Residential laundry appliances. For projects with Group R-2 occupancies, energy credits shall be achieved where not less than 90 percent of clothes washers and dryers in the project meet the following requirements:
1. Each dwelling unit contains in-unit washing washer and dryer equipment that meets the following requirements:
1.1. Achieve the ENERGY STAR Most Efficient label in accordance with the 2021 specifications.
1.2. Be installed prior to the issuance of the certificate of occupancy.
2. Where only some dwelling units are equipped with both washers and dryers, the table credits shall be prorated as follows:
[Section C406.2.16 table credits] x [Floor area of dwelling units with laundry] / [Total dwelling unit floor area]
C406.2.17 Heat pump clothes dryers. Not less than 90 percent of domestic clothes dryers located in Group R-1 and R-2 of the whole project are ENERGY STAR rated heat pump dryers. Credit applies only to buildings where laundry facilities are provided either within each residential dwelling or sleeping units or grouped together in central multi-family use laundry rooms, or a mix of the two.
To claim this credit, the building permit drawings shall specify the appliance type and provide documentation of ENERGY STAR compliance. At the time of inspection, all appliances shall be installed and connected to utilities.
C406.2.18 Efficient elevator equipment. Qualifying elevators in the building shall be Energy Efficient Class A in accordance with ISO 25745-2, Table 7. Only buildings three or more floors above grade shall be permitted to use this credit. Credits shall be prorated based on Equation 4-18, rounded to the nearest whole credit. Projects with a compliance ratio (CRe in Equation 4-18) below 0.5 do not qualify for this credit.
(Equation 4-18)
Where:
 
ECe
=
Elevator energy credit achieved for building.
 
ECt
=
Section C406.2.18 table energy credit.
 
CRe
=
FA
 
 
FB
 
 
FA
=
Sum of floors served by Class A elevators.
 
FB
=
Sum of floors served by all building elevators and escalators.
[Statutory Authority: RCW 19.27A.020, 19.27A.025, 19.27A.160, chapters 19.27A and 19.27 RCW. WSR 24-03-085, § 51-11C-40627, filed 1/16/24, effective 3/15/24; WSR 22-14-091, 23-12-101, and 23-20-021, § 51-11C-40627, filed 7/1/22, 6/7/23, and 9/25/23, effective 3/15/24.]
Reviser's note: The brackets and enclosed material in the text of the above section occurred in the copy filed by the agency.