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PDFWAC 296-155-790

Removal of materials through floor openings.

Any openings cut in a floor for the disposal of materials must be no larger in size than 25% of the aggregate of the total floor area, unless the lateral supports of the removed flooring remain in place. Floors weakened or otherwise made unsafe by demolition operations must be shored to carry safely the intended imposed load from demolition operations.
[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060. WSR 16-09-085, § 296-155-790, filed 4/19/16, effective 5/20/16; Order 74-26, § 296-155-790, filed 5/7/74, effective 6/6/74.]
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