Roof edge materials handling areas and materials storage must conform with the following provisions:

(1) When guardrails are used at hoisting areas, a minimum of four feet of guardrail must be erected along each side of the access point through which materials are hoisted.

(2) A chain or gate must be placed across the opening between the guardrail sections when hoisting operations are not taking place.

(3) When guardrails are used at bitumen pipe outlet, a minimum of four feet of guardrail must be erected along each side of the pipe.

(4) Mechanical equipment must be used or stored only in areas where employees are protected using a fall arrest system as described in WAC 296-880-40020, or a fall restraint system as described in WAC 296-880-40025. Mechanical equipment may not be used or stored where the only protection is provided by the use of a safety monitor.

(5) The hoist must not be used as an attachment/anchorage point for fall arrest or fall restraint systems.

(6) Materials must not be stored within six feet of a roof edge unless guardrails are erected at the roof edge. Guardrails must include a toeboard if employees could be working or passing below.