(1) During excavation or trenching, in order to prevent exposure of employees to the hazards created by damage to dangerous underground facilities, efforts must be made to determine the location of such facilities and work conducted in a manner designed to avoid damage.
(2) Trenching and excavation operations must comply with the provisions of Part N, chapter
296-155 WAC.
[Statutory Authority: RCW
49.17.010,
49.17.040,
49.17.050,
49.17.060 and chapter
49.17 RCW. WSR 19-13-083, § 296-45-195, filed 6/18/19, effective 8/1/19. Statutory Authority: RCW
49.17.010, [49.17].040, [49.17].050 and [49.17].060. WSR 98-07-009, § 296-45-195, filed 3/6/98, effective 5/6/98.]