Code of Federal Regulations · Section

§ 75.343 — Underground Shops

30 C.F.R. § 75.343

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(a) Underground shops shall be equipped with an automatic fire suppression system meeting the requirements of § 75.1107-3 through § 75.1107-16, or be enclosed in a noncombustible structure or area.

(b) Underground shops shall be ventilated with intake air that is coursed directly into a return air course.

30 C.F.R. § 75.342 30 C.F.R. § 75.344

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