                                 CODE OF VIRGINIA

 SEPARATION OF OPENINGS (§ 45.2-727)

A. In a drift or slope mine, openings shall be separated by at least 50 feet of
natural strata, unless specifically approved in the roof control plan. All
connections between openings not used for the coursing of air, travel, or
haulage shall be closed with stoppings of fireproof material.

B. In a shaft mine, openings shall be separated by at least 200 feet of natural
strata.

HISTORY: Code 1950, § 45-71; 1954, c. 191; 1966, c. 594, § 45.1-94; 1994, c.
28, § 45.1-161.163; 2005, c. 3; 2021, Sp. Sess. I, c. 387.