PDFWAC 296-54-533
Road pioneering and earthwork.
(1) Banks at the borrow area must be sloped to prevent slides.
(2) Backfill must be firmly compacted.
(3) Roadside banks must be sloped or stabilized to prevent slides.
(4) Overhanging banks, large rocks and debris must be removed or secured.
(5) Where riprap is used, the material and design must ensure containment of material.
(6) Trees or snags that may fall into the road must be fell.
(7) Root wads, logs, and other unstable debris must not be placed against standing timber or otherwise placed so as to create a hazard for timber falling or other logging operations.
[Statutory Authority: RCW 49.17.010, [49.17].040 and [49.17].050. WSR 99-17-117, amended and recodified as § 296-54-533, filed 8/18/99, effective 12/1/99. Statutory Authority: RCW 49.17.040, [49.17].050 and [49.17].060. WSR 96-22-013, § 296-54-535, filed 10/28/96, effective 1/1/97. Statutory Authority: RCW 49.17.040, 49.17.050, 49.17.240, chapters 43.22 and 42.30 RCW. WSR 80-11-057 (Order 80-15), § 296-54-535, filed 8/20/80. Statutory Authority: RCW 49.17.040, 49.17.150 and 49.17.240. WSR 79-10-081 (Order 79-14), § 296-54-535, filed 9/21/79.]