Regulatory Text
30 C.F.R. § 77.213 — Draw-off tunnel escapeways.
§ 77.213 Draw-off tunnel escapeways. When it is necessary for a tunnel to be closed at one end, an escapeway not less than 30 inches in diameter (or of the equivalent, if the escapeway does not have a circular cross section) shall be installed which extends from the closed end of the tunnel to a safe location on the surface; and, if the escapeway is inclined more than 30 degrees from the horizontal it shall be equipped with a ladder which runs the full length of the inclined portion of the escapeway.
Source: ecfr.gov · govinfo.gov — public domain
Official Source ↗
Root-LD Entity Data
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Root-LD v1.0 · boisestandard.org
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BS-CFR30-SEC-604A57
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REGULATION / FEDERAL-CFR-SECTION
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boisestandard.org
Citation
30 C.F.R. § 77.213
Corpus
CFR — Code of Federal Regulations
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✓ ACTIVE
Source
PRIMARY-SOURCE
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✓ TRUE
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bb14e4612feaf4f8...
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Pending — corpus passes queued
The regulatory text of 30 C.F.R. § 77.213 is reproduced from the official Code of Federal Regulations as published by the Office of the Federal Register and the National Archives and Records Administration.
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Title 30 — Mineral Resources
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30 C.F.R. — public domain
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