30 CFR 57.19072 - Skips and cages in same compartment.
When combinations of cages and skips are used in the same compartment, the cages shall be enclosed to protect personnel from flying material and the hoist speed reduced to man-speed as defined in standard 57.19061, but not to exceed 1,000 feet per minute. Muck shall not be hoisted with personnel during shift changes.
Title 30 published on 2014-07-01
no entries appear in the Federal Register after this date.