352.090 Abandoned parts of mine to be posted -- Sealing.
246 words·~1 min read·
/ky/chapter-352/352-090A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
(1)All unused workings and abandoned parts of mines shall be protected by safeguards
that will prevent the accumulation or overflow of gas, and all avenues leading
thereto shall be so arranged and conducted as to give warning to all persons of the
danger of entering, and notice shall be posted warning all unauthorized persons not
to enter these parts of the mine. If the area cannot be adequately ventilated, and
examined, or evaluated it shall be sealed in a timely manner.
(2)No person, except persons authorized to make examination thereof, shall enter any
unused or abandoned part of a mine after the warning has been posted.
(3)Where the practice is to seal abandoned workings, the sealing shall be done in
accordance with a mine seal construction plan approved by MSHA and submitted to
the Division of Mine Safety. Seal construction shall be done immediately in an
effective manner with noncombustible material. In every sealed area, one
(1)or
more of the seals shall be fitted with a pipe and cap or valve to permit the gases
behind the seals to be sampled and also to provide a means of determining any
existing hydrostatic pressure. When required by the mine inspector and
commissioner, drill holes shall be extended from the surface to the sealed area, or
vent pipes shall be extended from the sealed area to a return air course. Sufficient
ventilation shall be provided at each seal to prevent dangerous gases from
accumulating.