Missouri Laws 293.390 – Standards for roof control — supply of materials required (coal mines)
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1. The operator of every coal mine shall compile or have compiled a set of minimum standards for systematic roof control suitable to the roof conditions and mining system of his mine. After written approval by the director, the minimum standards shall be placed in effect and complied with by employees and officials, and additional supports shall be installed wherever it is necessary to afford adequate protection.
2. At all coal mines, the operator shall provide an ample supply of timber and cap pieces or wedge of proper size, roof-bolting materials, or other proper devices with which to secure all places in a safe manner.
Terms Used In Missouri Laws 293.390
- Coal mine: any strip mine or underground excavation from which coal or lignite is extracted for commercial purposes and including the mining plant and all parts of the property of such mine, on the surface or underground. See Missouri Laws 293.010
- Director: the director of the division of mine inspection of the state of Missouri. See Missouri Laws 293.010
- Operator: the person, firm, or body corporate who or which is the immediate proprietor, as owner or lessee, of the mine and, as such, responsible for the condition and management thereof. See Missouri Laws 293.010