352.360 Duty of mine foreman as to breakthroughs, measurement of air current,
287 words·~1 min read·
/ky/352-360A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
designation of escapeways, and installation of man doors.
(1)The mine foreman shall see that breakthroughs are made as required by law, and
shall see that ventilation is conducted by means of the breakthroughs and through
the rooms by means of check doors or curtains placed on the entries or other
suitable places, and shall not permit any room to be opened in advance of the
ventilating current.
(2)At least once each week while the mine is in operation the mine foreman, or some
certified person designated by the mine foreman, with an anemometer furnished by
the licensee, shall measure the air current at the inlet and outlet and at or near the
faces of the advanced headings, and shall keep a record of the measurements in a
book approved by the commissioner for the purpose.
(3)The mine foreman shall see that signboards directing the way to outlets or
escapeways are conspicuously placed throughout the mine.
(4)Hinged man doors, installed after June 16, 1976, shall be at least thirty
(30)inches
square or the height of the coal seam, and shall be installed on the intake and the
return air course at intervals not to exceed three hundred
(300)feet when the height
of the coal is below forty-eight
(48)inches and at intervals not to exceed five
hundred
(500)feet when the height of the coal is above forty-eight
(48)inches.
(5)Where it is necessary to cross a conveyer belt to reach an escapeway man door,
unless another safe means is provided, there shall be a stop-start switch controlling
the conveyer belt. The switch shall be located in such a manner that it may be
reached from each side of the belt.