27-343. Structures over mine outlet
No structure shall be erected over an outlet of a mine except the headframe
necessary for hoisting from a shaft and the hatch or door necessary for hoisting from a
shaft and the hatch or door required to protect persons obligated to work at the top of a
shaft from inclement weather, and if a house is required for this purpose the inspector
may grant permission in writing for its construction. Such house shall be as small as
possible and constructed of fire resistant material. Regular storage of flammable
material inside, or within thirty feet of the house is prohibited.
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