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PDFWAC 296-307-28052

When may wood guards be used?

Wood guards may be used where fumes would cause rapid deterioration of metal guards and outdoors where extreme cold or extreme heat make metal guards and railings undesirable.
(1) Wood must be sound, tough, and without loose knots.
(2) Guards must be made of planed lumber not less than 1-inch rough board measure, with rounded edges and corners.
(3) Wood guards must be securely fastened together with wood screws, hardwood dowel pins, bolts, or rivets.
(4) Wood guards must be equal in strength and rigidity to metal guards specified in WAC 296-307-28050 and Table P-1.
Requirements for the construction of standard wood railings are in WAC 296-307-28060.
[Statutory Authority: RCW 49.17.040. WSR 98-24-096, § 296-307-28052, filed 12/1/98, effective 3/1/99. WSR 97-09-013, recodified as § 296-307-28052, 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-28052, filed 10/31/96, effective 12/1/96.]
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