WAC 51-19-450
Light, ventilation, sanitation, smoke
detectors, and heating. (1) For Group R Occupancies, light,
ventilation, sanitation, smoke detectors, and heating shall meet
the requirements of the Building Code.
(2) Skylights set at an angle of less than forty-five
degrees from the horizontal plane shall be mounted at least four
inches above the plane of the roof on a curb constructed of
materials as required for the frame. Skylights may be installed
in the plane of the roof when the roof slope is greater than
forty-five degrees from horizontal.
[Statutory Authority: RCW 19.27.120 and 19.27.074. 91-01-103, §
51-19-450, filed 12/18/90, effective 7/1/91.]