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PDFWAC 296-307-26036

What other requirements apply to fixed stairs?

(1) Vertical clearance above any stair tread to an overhead obstruction must be at least 7 feet measured from the leading edge of the tread.
(2) Stairs with treads less than 9 inches wide should have open risers.
(3) Open grating type treads are desirable for outside stairs.
[WSR 97-09-013, recodified as § 296-307-26036, filed 4/7/97, effective 4/7/97. Statutory Authority: RCW 49.17.040, [49.17.]050 and [49.17.]060. WSR 96-22-048, § 296-306A-26036, filed 10/31/96, effective 12/1/96.]
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