Wash. Admin. Code § 51-51-60106 - [Effective 3/16/2024] Appendix T-Solar-ready provisions-detached one-and two-family dwellings and townhouses
The provisions contained in this appendix are not mandatory unless specifically referenced in the adopting ordinance.
AT101
Scope.
AT102
General definitions.
AT102.1
General. The following
term shall, for the purpose of this appendix, have the meaning shown herein.
Solar-ready zone. A section or sections of the
roof or
AT103
Solar ready zone.
AT103.3
Solar-ready zone area. The total solar-ready zone area shall be
not less than 300 square feet (27.87 m2) exclusive
of mandatory access or set back areas as required by this code. New townhouses
three stories or less in height above grade plane and with a total floor area
less than or equal to 2,000 square feet (185.8 m2)
per dwelling shall have a solar-ready zone area of not less than 150 square
feet (13.94 m2). The solar-ready zone shall be
composed of areas not less than 5 feet (1.52 m) in width and not less than 80
square feet (7.44 m2) exclusive of access or set
back areas as required in this code or the applicable provisions of the
International Fire Code. No portion of the solar zone shall be
located on a roof slope greater than 2:12 that faces within 45 degrees of true
north.
AT103.6
Capped roof
penetration sleeve. A capped roof penetration sleeve shall be provided
adjacent to a solar-ready zone when the solar-ready zone has a roof slope of
2:12 or less. The capped roof penetration sleeve shall be sized to accommodate
the future photovoltaic system conduit, but shall have an inside diameter not
less than 1 1/4 inches.
Notes
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