OAR 437-004-0390
Other Working Surfaces
(1)
Dockboards (bridge plates).(a)
Use bridge plates over any gap of more than 4 inches between two surfaces.(b)
Portable and powered dockboards must be strong enough to carry the load imposed on them.(c)
Anchor portable dockboards or use devices that prevent them from slipping.(d)
Powered dockboards must comply with Commercial Standard CS202-56 (1961) “Industrial Lifts and Hinged Loading Ramps” published by the U.S. Department of Commerce.(e)
Portable dockboards must have handholds or other ways to allow safe handling.(f)
There must be positive protection to prevent railroad cars from moving while dockboards or bridge plates are in position.(g)
Bridgeplates must be able to carry four times the heaviest expected load.(h)
Bridgeplates must sit evenly on the surface at each end. Repair or replace plates that teeter or rock.(2)
Floors.(a)
Floors, floor supports, and required appurtenances must be in good repair.(b)
Floors must not be slippery.(3)
Ramps and runways.(a)
Ramps and runways must be in safe condition.(b)
Ramps and runways for vehicles must be wide enough and have an even surface. They must have timber guards of not less than nominal 6-inch by 6-inch material set on nominal 3 inch blocks, or the equivalent, secured to the sides of the ramp or runway.
Source:
Rule 437-004-0390 — Other Working Surfaces, https://secure.sos.state.or.us/oard/view.action?ruleNumber=437-004-0390
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