Ohio Revised Code Search

...In gaseous and nongaseous mines, no person other than a mine foreman or fire boss, or owner, lessee, agent, or operator of the mine, or a representative of either accompanied by a mine foreman or fire boss, shall remove or go beyond any caution board or danger signal placed at the entrance to any working place or old workings in a mine, unless permitted to do so by either a mine foreman or a fire boss after such min...

...vided for that purpose, a report of the condition of the mine, which report shall clearly state any danger that such mine foreperson has observed during the day, or any danger reported to the mine foreperson by the mine foreperson's assistants, the fire bosses, or the shot firers when employed. The report shall also state whether or not there is a proper supply of material on hand for the safe working of the mine, a...

...rkers shall be permitted to work on one continuous current of air or split of air except with the written consent of the chief of the division of mineral resources management, and in no case shall the number of workers exceed ninety. Air in which workers work or travel in mines shall be improved when it contains less than nineteen and one-half per cent oxygen, or more than one-half of one per cent carbon dioxide, or...

...e shaft entry or slope with which it is connected for ventilating purposes and shall be of fireproof construction. Explosion doors shall be provided in a direct line with the mine opening. Upon the written order of the chief of the division of mineral resources management, all main mine fans installed after September 2, 1941, shall be so arranged that the ventilating current can be quickly reversed. No fan shall be ...

...ion by the owner, lessee, or agent of a definite plan of ventilation in which it is proposed to use such fans and the reason therefor. No operator of a mine shall refuse or neglect to comply with this section.

...In case of an accident to a ventilating fan, or its machinery, whereby the ventilation of the mine may be seriously interrupted, the electric power shall be shut off. The mine foreman shall order the men to withdraw from the mine immediately, and he shall not allow them to return to their work until the ventilation has been restored and the mine has been thoroughly examined by him, or by a foreman or fire boss, and r...

...gs, the mine foreperson shall mark on a conspicuous place with chalk the mine foreperson's initials and the date of the month of such examination. No person shall refuse or neglect to comply with this section.

... mine is found to be in a good and safe condition by the mine foreman.

...Motormen, trip riders, and drivers in charge of haulage trips, passing through doors used as a means of directing the ventilation, shall see that such doors are closed promptly after the trip passes through. No person shall refuse or neglect to comply with this section.

...age or without authority alter, or make connection to, any portion of an electrical system of any mine location in this state.

...nt persons from inadvertently coming in contact with them. (F) No locomotive shall be operated by means of a person holding and sliding upon, or frequently making contact with, the positive wire with any device attached to the cable as a substitute for a trolley, except to move a locomotive out of traffic because of a broken trolley pole or fixtures attached thereto. This does not prohibit the operation of a locomot...

...d in all branch circuits. All points of connection shall be properly protected so that persons cannot inadvertently come in contact therewith. No voltage in excess of two hundred sixty volts measured at the nearest switchboard shall be used in mobile machinery except with the written approval of the chief of the division of mineral resources management. (B) When high voltage circuits are used, all wires shall be pro...

...bles so installed or used shall be grounded in a manner approved by the chief of the division of mineral resources management. No owner, lessee, agent, or operator of a mine shall violate this section.

...iling cables, shall be efficiently grounded. No owner, lessee, agent, or operator of a mine shall violate this section.

...n gaseous mines or portions of mines as defined by section 1563.02 of the Revised Code, a sufficient number of shot firers shall be employed. The shot firer shall charge, tamp, and fire all holes properly placed, and refuse to charge any holes not properly placed. Whenever such shot firers are required to be employed, it shall be unlawful for any one other than a shot firer to charge, tamp, or fire any blast within s...

...In all gaseous mines, as defined in section 1563.02 of the Revised Code, no black powder shall be used for blasting coal and all shots shall be fired by a shot firer. No owner, lessee, agent, or operator of a mine shall violate this section.

...ep the same in a wooden box suitable to contain the original container of such explosive. Such box shall be kept at all times at least twenty-five feet from the track and electric wire, no two of such boxes shall be kept within twenty-five feet of each other, nor shall blasting powder and high explosives be kept in the same box, and in no case shall detonating caps be kept in a box with blasting powder or high explos...

...except when such powder or explosive is conveyed in insulated cars, boxes, or packages. No operator, or miner shall refuse or neglect to comply with this section.

...n a box, package, or keg, containing powder or other explosives, and while handling the same, he shall place and keep his lamp at least five feet distant from such explosives, and in such a position that the air current cannot convey sparks to it. No person shall approach nearer than five feet to any box, keg, or package, containing powder or other explosives, or within five feet of another person handling such explo...

...Powder, explosives, and working tools shall not be taken down or up a hoisting shaft in a cage when men are going down or up, nor shall such articles be taken down or up a stairway used for ingress and egress of persons. No miner or owner, lessee, agent, or operator of a mine shall violate this section.

...le used in preparing a blast shall be made of copper, and the tamping bar shall be made of wood, or shall be tipped with at least five inches of solid copper. No inflammable material, explosive in its nature, or any material that may create a spark, shall be used for tamping, and some soft material must always be placed next to the cartridge or explosive. When it is necessary to tamp dynamite, nothing but a wooden t...

...o so, and then only in such rotation as designated.

...When a miner drills holes in the face of coal for blasting and such drill hole bottoms in the permanent roof, he shall not charge or fire such drill hole. No miner shall drill a new hole in such a way that any part of it shall be within twelve inches of any part of an unused drill hole or one in which there has been a misfired shot. No miner shall drill out or attempt to drill out the charge or tamping in a misfired ...

... shall not leave the mine until he has determined whether or not such shot has misfired. If a shot misfires, such miner shall so report to the foreman in charge of the section in which he works before he leaves the mine.

...After each blast, the miner shall exercise great care in examining the roof and coal, and shall secure them safely before beginning to load coal. No person shall refuse or neglect to comply with this section.