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 the intended imposed load from demolition operations.
[Statutory Authority: RCW
49.17.010,
49.17.040,
49.17.050,
49.17.060 and chapter
49.17 RCW. WSR 21-09-067, § 296-155-790, filed 4/20/21, effective 6/1/21. 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.]