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| Headframes and Sheaves | 56.19035 – 56.19038 | |||||||||||||
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50 FR 4054, Jan. 29, 1985, unless otherwise noted.
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Subscribe to: 30 CFR Part 56 Subpart R - Headframes and Sheaves
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All headframes shall be constructed with suitable design considerations to allow for all dead loads, live loads, and wind loads.
Headframes shall be high enough to provide clearance for overtravel and safe stopping of the conveyance.
Fleet angles on hoists installed after November 15, 1979, shall not be greater than one and one-half degrees for smooth drums or two degrees for grooved drums.
Platforms with toeboards and handrails shall be provided around elevated head sheaves.