coal trade bulletin - Clpdigital.org

44 THE COAL TRADE BULLETIN.
(c) That the height of gangways and traveling-ways
wherein employes have to travel into
and out of the mines, shall not be less than five
feet six inches from the top of sill to roof.
(d) That no person under the age of 17 years
shall be employed as runner or driver in any mine.
(e) That no person except the driver shall
ride on the front end of the car, and no person
shall ride between cars, and upon the request of
the inspector a seat shall be provided for the
driver.
(f) That in slopes where persons are lowered
or hoisted, special cars shall be provided for that
purpose, the cars to be approved by the inspector
of the district.
(g) That in gangways where platforms are
used, platforms shall not extend over the top rail
of the car.
(h) That where chutes are used they shall not
extend more than 12 inches over the top rail of
the car, unless they are at least 16 inches above
the top rail.
(il That when a breast is finished or abandoned
for over 30 days, all chutes and platforms
that may extend over the top rail of the car shall
be removed.
Ill REDUCE ACCIDENTS HY BLASTS.
(a) That wherever practicable, all blasts inside
the mines shall be exploded by an electric
battery.
(b) Tnat all such batteries used shall be approved
by the mine foreman, and he shall instruct
the miners as to their use, so blasts can be exploded
with greater safety.
(el That only one kind of explosive shall be
used in the same hole.
(d) That all shot holes in coal shall be tamped
to the mouth.
(e) That a charge of high explosives in coal
that has missed fire shall not be withdrawn nor
shall the hole be reopened.
TO REDUCE ACCIDENTS FROM EXPLOSIONS OF GAS.
(al That the superintendent shall, as far as
practicable, see that the provisions of general
rules 4, 5, 6, 7, 8, 9, 10 and 11 are complied with.
(b) That crossheadings between inlet and outlet
airways in each split of air when closed permanently
shall be substantially closed with walls
of concrete, or of stone or brick laid in cement
or lime mortar. Provided, however, that the inspector
may give written approval of other suitable
material in mines with heavy pitches.
(c) That cross headings between breasts, except
those nearest the face, shall be closed, and a
brattice from the last crossheading shall be erected
so as to conduct the air to the face. Provided,
however, that the closing of such crossheadings
and the erection of a brattice may he omitted on
the written consent of the inspector.
(d) That each breast when finished shall have
a crossheading driven at the face to prevent an
accumulation of explosive gas.
(e) That every permanent overcast or undercast
built hereafter shall be substantially built of
incombustible material.
(f) That in each mine there shall be telephone
connections between the surface and all important
parts of the mine, ancl an attendant shall be on
duty at all times at the telephone on the surface.
TO REDUCE ACCIDENTS IN SHAFTS.
(a) That every shaft and also every slope with
an angle of over 35 degrees, wherein men are
lowered and hoisted, shall have safety gates at the
top and also at each intermediate lift thereof,
which shall be controlled by cage, gunboat or car.
ib) That where men are lowered or hoisted
in such shafts or slopes, a safety device that will
prevent overwinding and also control the speed
of cage, gunboat or cars at all times, shall be attached
to the engine.
TO REDUCE ACCIDENTS BY EXPLOSIVES.
(a) That not more than five pounds of high
explosives shall ba taken into a mine at any one
time by any one person, unless more is required
for use in that shift.
lb) That high or permissible explosives shall
not be sold for use in mines, unless the name of
the manufacturer and name and grade ot explosives
are stamped on each stick.
(c) That detonators shall at all times be kept
separate and apart from other explosives until
required for use.
(d) That no frozen explosives shall be sold or
given to any employe.
(e) That no person shall thaw explosives inside
or outside the mines, except by the method
recommended by the manufacturer.
(f) That black powder shall not be sold loose
in kegs, cases or packages, but shall be sold in
cartridges, ancl shall not be taken into the mine,
except in non-conductive receptacles.
(g) That detonators shall be sold in boxes of
10 in a box, and not more than one box shall be
sold to any one person at one time, unless more
are necessary for a day's work.
TO PREVENT ACCIDENTS FROM ELECTRICITY.
(a) That when electric power is used in and
about the mines, it shall be cared for in accordance
with Article XI of the Bituminous Mine Act
of June 9, 1911, so far as it can be applied to anthracite
mines.
GASOLINE AND OIL.
(a) That six months after January 1, 1914,
locomotives using coal, gasoline or oil shall not
be used inside of any mine, and the use of gasoline
or oil for generating power for any other purpose
shall also be prohibited.