22.N.18 Guarding.
- All open sides of the platform must be equipped with a guardrail which can be securely fastened in place. Guardrails must be secured per the manufacturer's instructions and must withstand, without failure, a force of 300 lbs, applied in any outward or downward direction.
- If the MCWP is erected towards a wall and the distance is more than 14 in (0.36 m), a guardrail must be required. The maximum distance between wall and platform may increase to 18 in (0.46 m) for plastering and lathing operations. When it is possible to have a horizontal distance between the wall and platform of not more than 14 in (.36 m), then a guardrail is not necessary.
- Any MCWP with a travel speed of more than 15 fpm must include a mast guard around at least 3 sides of the mast. The guard must provide protection from not more than 1 in (2.5 cm) above the platform floor to a minimum height of 6 1/2 ft (1.98 m) above the platform floor, and must have no opening larger than 1 in 2 (2.5 cm2).
22.N.19 Annual inspection. An annual inspection will be performed in accordance with the manufacturer's guidelines but no later than 13 months from the date of the prior inspection. The inspection must be performed by a QP on the specific make and model of MCWP. A copy of the inspection must be maintained on site with the owner's manual.
22.O Roofing Brackets.
22.O.01 Roofing brackets must be secured by nailing in addition to the pointed metal projections. Nails will be driven into a rafter or beam; not just into the decking. Fasteners will be selected in accordance with the manufacturer's recommendations.
22.O.02 When it is impractical to nail brackets, rope supports must be used. When rope supports are used, they must consist of first-grade manila rope, 3/4 in (1.9 cm) diameter or equivalent.
22.P Stilts.
22.P.01 Stilts must not be used on scaffolds.
22.P.02 Surfaces on which stilts are used must be flat and free of pits, holes, obstructions, debris and other tripping or slipping hazards.
22.P.03 Stilts must be properly maintained. Any alteration of the equipment must be approved by the manufacturer.
22.P.04 Stilts must not be used on stairs. When used adjacent to stairs or ramps where a fall to a different level could occur, guardrails (as defined in Section 21.F.01.b) or other fall protection must be provided (increased in height by an amount equal to the height of the stilts).
22.P.05 Employees must be trained in the proper use of stilts.
22.P.06 When using stilts exposes workers to a fall of 6 ft (1.8 m) or more in areas protected by guardrails, the height of the guardrails must be raised accordingly to maintain a protective height of 42 in (107cm) above the stilt. > See Section 21.A.04.
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22-16. What is required if the MCWP is erected towards a wall and the distance is more than 14 in (0.36 m)?
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