Properly constructed bridge or dock plates must be furnished and used to bridge the area between a dock and truck or railroad car. The following requirements must be complied with for construction and use of such bridge or dock plates:
(1) Strength. The plate must be capable of supporting three times the maximum load to which it will be subjected.
(2) Stops. The plates must be provided with positive stops to prevent the plates from shifting or moving.
(3) Plates.
(a) The plates must bear solidly on the dock and on the floor of the car or truck.
(b) Plates with excessive teeter or rock must be repaired or replaced.
(4) Upturn or lip on plates. The sides of bridge or dock plates must have an upturn or lip of at least 4 inches covering the area between the edge of the loading dock and edge of car or truck floor whenever this distance exceeds 18 inches to prevent wheeled equipment from running off the sides.
(5) Bearing surface. Bridge or dock plates must have at least 6 inches bearing surface on the loading dock.
(6) Suitable fittings to be used. Bridge or dock plates intended to be moved by mechanized equipment must be designed for this purpose or appropriate fittings or attachments must be used.
[Statutory Authority: RCW
49.17.010,
49.17.040,
49.17.050, and
49.17.060. WSR 17-16-132, § 296-79-200, filed 8/1/17, effective 9/1/17. Statutory Authority: RCW
49.17.010, [49.17].040 and [49.17].050. WSR 99-16-083, § 296-79-200, filed 8/3/99, effective 11/3/99; Order 74-24, § 296-79-200, filed 5/6/74; Order 70-6, § 296-79-200, filed 7/10/70, effective 8/10/70.]