Missouri Laws 293.600 – Director may require crossheads in shaft sinking operations
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Terms Used In Missouri Laws 293.600
- Director: the director of the division of mine inspection of the state of Missouri. See Missouri Laws 293.010
- Shaft: any vertical or near-vertical opening through the strata which is to be used for ventilation or escapement, or for the hoisting and lowering of men, ore or material in connection with the mining of minerals. See Missouri Laws 293.010
When necessary in shaft sinking operations, the director of the division of mine inspection shall order crossheads attached to the rope for the purpose of guiding the descent or ascent of the bucket or cage in the shaft, provided that such crossheads shall not be required until a depth of five hundred feet has been reached. All sinking crossheads shall be provided with a safety appliance of a design approved by the director for attaching the bucket or cage to the crosshead.