Title 30

SECTION 75.1711-2

75.1711-2 Sealing of slope or drift openings.

§ 75.1711-2 Sealing of slope or drift openings.

Slope or drift openings required to be sealed under § 75.1711 shall be sealed with solid, substantial, incombustible material, such as concrete blocks, bricks or tile, or shall be completely filled with incombustible material for a distance of at least 25 feet into such openings.

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