PDFWAC 296-307-52025
Dockboards (bridge plates).
(1) Portable and powered dockboards must be strong enough to support the load carried on them.
(2) Portable dockboards must be secured in position, either by anchors or anti-slipping devices.
(3) Powered dockboards must meet the design and construction requirements of Commercial Standard CS202-56 (1956) "Industrial Lifts and Hinged Loading Ramps" published by the U.S. Department of Commerce.
(4) Dockboard or bridge plates must be driven over carefully and slowly and their rated capacity never exceeded.
(5) Portable dockboards must have handholds for safe handling.
(6) Railroad cars must be kept stationary while dockboards or bridge plates are in position.
[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. WSR 20-21-091, § 296-307-52025, filed 10/20/20, effective 11/20/20. WSR 97-09-013, recodified as § 296-307-52025, filed 4/7/97, effective 4/7/97. Statutory Authority: RCW 49.17.040, [49.17.]050 and [49.17.]060. WSR 96-22-048, § 296-306A-52025, filed 10/31/96, effective 12/1/96.]