(a)Minimum standards for systematic roof control suitable
to the roof conditions and mining system of each mine shall be
adopted and complied with. A copy of any roof control plan
approved by federal authorities shall be submitted to the
inspector within thirty (30) days of its approval. Additional
supports shall be installed where necessary to afford adequate
protection. The inspector shall establish by rule requirements
for roof bolting, other supports required to protect persons
from falling or loose material, training requirements for
persons involved with roof, rib and face testing and extraction
of permanent and temporary timber.
(b)Repealed by Laws 1995, ch. 31, § 2.
(c)Repealed by Laws 1995, ch. 31, § 2.
(d)Every shaft, incline, winze, adit, tunnel level or
drift, and every wor
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(a) Minimum standards for systematic roof control suitable
to the roof conditions and mining system of each mine shall be
adopted and complied with. A copy of any roof control plan
approved by federal authorities shall be submitted to the
inspector within thirty (30) days of its approval. Additional
supports shall be installed where necessary to afford adequate
protection. The inspector shall establish by rule requirements
for roof bolting, other supports required to protect persons
from falling or loose material, training requirements for
persons involved with roof, rib and face testing and extraction
of permanent and temporary timber.
(b) Repealed by Laws 1995, ch. 31, § 2.
(c) Repealed by Laws 1995, ch. 31, § 2.
(d) Every shaft, incline, winze, adit, tunnel level or
drift, and every working place in an underground mine shall be
properly protected and sufficiently timbered or supported where
necessary to protect persons from injury from falls of roof,
ribs or face. Loose top and overhanging or loose faces and ribs
shall be timbered adequately or taken down.
(e) Timbers removed or knocked out deliberately or
inadvertently shall be replaced promptly unless unnecessary for
adequate roof support or protection.
(f) The mine foreman and mine inspectors shall ascertain
if employees understand roof, rib and face testing. Uninformed
and new employees shall be instructed properly in correct
methods of testing.
(g) Face workers and other employees exposed to hazards
from falls of rock and coal shall, unless this testing is
specifically and satisfactorily performed by others, examine and
test the roof, ribs and face before starting work or before
starting a machine and frequently thereafter. When dangerous
conditions are found, they shall be corrected immediately by
taking down loose materials or by proper and adequate support
before any other work is done.
(h) At least once each day, the mine foreman shall examine
roof, ribs, and face of working places and passageways, where
men work or travel, for dangerous conditions. Where found, such
dangerous conditions shall be corrected promptly.
(j) Repealed by Laws 1995, ch. 31, § 2.
(k) Permanent timber extraction shall be done only by
mechanical means. Persons engaged in this work shall not be
permitted to work alone. Persons assigned to this work shall
have not less than the practical mining experience under
comparable conditions as required by rule of the inspector.