30 CFR 57.4533 - Mine opening vicinity.

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§ 57.4533 Mine opening vicinity.

Surface buildings or other similar structures within 100 feet of mine openings used for intake air or within 100 feet of mine openings that are designated escapeways in exhaust air shall be -

(a) Constructed of noncombustible materials; or

(b) Constructed to meet a fire resistance rating of no less than one hour; or

(c) Provided with an automatic fire suppression system; or

(d) Covered on all combustible interior and exterior structural surfaces with noncombustible material or limited combustible material, such as five-eighth inch, type “X” gypsum wallboard.

This is a list of United States Code sections, Statutes at Large, Public Laws, and Presidential Documents, which provide rulemaking authority for this CFR Part.

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United States Code

Title 30 published on 2015-07-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 30 CFR Part 57 after this date.

  • 2015-09-02; vol. 80 # 170 - Wednesday, September 2, 2015
    1. 80 FR 52984 - MSHA Headquarters, Pittsburgh Safety and Health Technology Center, and Respirable Dust Processing Laboratory Address Changes
      GPO FDSys XML | Text
      DEPARTMENT OF LABOR, Mine Safety and Health Administration
      Final rule; technical amendment.
      Effective Date: September 2, 2015.
      30 CFR Parts 7, 18, 44, 46, 48, 49, 56, 57, 70, 71, 72, 74, 75, and 90