Ohio Revised Code Search

...Nothing in this chapter applies to activities that are permitted and regulated under Chapter 1514. of the Revised Code.

...of such appliances or machinery, they shall comply with the rules of the chief of the division of mineral resources management. In gaseous mines, as parts of such machinery or appliances become worn out and have to be replaced, the chief or the deputy mine inspector shall order that such replacement parts put the machinery or appliance in a condition or state, as far as practicable, to meet the requirements of the Un...

...No workman or other person shall knowingly injure a water gauge, barometer, thermometer, air course, brattice, equipment, or machinery, obstruct or throw open an airway, handle or disturb any part of the machinery of the hoisting engine of a mine, open a door of a mine and neglect to close it, endanger the mine or those working therein, disobey an order given in pursuance of law, or do a willful act which may endange...

...Machine runners and helpers shall use care while operating mining machines. They shall warn persons not engaged in the operation of a machine of the danger in going near the machine while it is in operation, and shall not permit such persons to remain near it while such machine is in operation. They shall examine the roof of the working place and see that it is safe before starting to operate the machine. When conne...

... the mine and those permitted by law, shall enter any mine or go upon the property connected therewith, unless the consent of the owner, lessee, or agent has been secured, and then only when accompanied by a guide furnished by such owner, lessee, or agent. This does not prohibit persons seeking employment at such mine, or the authorized representatives of the employees, from entering upon the property as is necessary...

...No person shall enter a mine generating firedamp, which can be detected by an approved flame safety lamp, until it has been reported safe by the person making the fire boss examination as prescribed by section 1563.24 of the Revised Code. This report shall be posted on a blackboard provided for that purpose at the main entrance to the mine. This section does not apply to the mine superintendent and mine foreman. No ...

...anied 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 mine foreman or fire boss has acquainted himself with the danger lying beyond such caution board or danger signal.

...The mine foreperson shall each day enter plainly or have entered in ink, in a book provided 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 o...

...The operator of a mine shall provide and maintain the necessary artificial means of capacity and power capable of supplying the required ventilation, and shall maintain a sufficient volume of air, not less per minute than one hundred fifty cubic feet for each person measured at the point in the mine where distribution to the various working sections begins and distributed to the working faces so as to expel or dilute...

...Every outside fan installed after September 2, 1941, at any coal mine shall be placed at least twenty feet from the side or mouth of the 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 m...

...Booster and blower fans may be installed only with the approval of the chief of the division of mineral resources management, following the submission 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.

...ously 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 reported safe. No person shall refuse or neglect to comply with this section.

...The mine foreperson shall see that careful watch is kept over the ventilating apparatus and airways, and that the volume of the ventilating current is measured at least once each week at the inlet and outlet, at or near the face of all entries, and at that point in the mine where distribution to the various working sections begins. Such measurements shall be noted in duplicate on blanks furnished by the division of m...

...f the interruption of the ventilation shall not re-enter the mine until permission to do so has been granted after a thorough inspection has been made and the mine is found to be in a good and safe condition by the mine foreman.

...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.

...No person shall damage or without authority alter, or make connection to, any portion of an electrical system of any mine location in this state.

...rground in mines, the following rules shall govern: (A) In determining the voltage limit the difference in potential shall not exceed three hundred twenty-five volts measured by a meter at the nearest switchboard except with the written approval of the chief of the division of mineral resources management. (B) For the protection of circuits, a switch and circuit breaker shall be installed in the ungrounded side of ...

...When alternating current is used underground in mines, the following rules apply: (A) On all low voltage circuits all wires shall be protected by a switch and an automatic overload circuit breaker on each wire of the circuit, except that fuses may be substituted for circuit breakers in the case of lighting circuits and in the case of power circuits transmitting twenty-five kilowatts or less. All wires shall be insu...

...At all stripping mines where alternating current is used to operate shovels or to convert alternating current to direct current, and where the machines used for this purpose are installed on the shovel or building attached thereto, or where armored cables are used to conduct the current from the main transmission line to the shovel, all machines and armored cables so installed or used shall be grounded in a manner ap...

...her than low voltage mobile motors, and all metallic cable covering other than trailing cables, shall be efficiently grounded. No owner, lessee, agent, or operator of a mine shall violate this section.

...e, 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 such mine. No owner, lessee, or agent, or operator of a mine shall violate this sect...

...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.

...No employee, worker, or miner shall have in the employee's, worker's, or miner's possession inside of an underground mine more than one twenty-five pound keg or box of blasting powder or other explosives. Every person who has powder or other explosives in an underground mine shall keep 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 t...

...Blasting powder or explosives shall not be taken into or out of a mine, or moved from place to place in a mine, along any entry or haulway where there are electric wires, while the power is on such wires, 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.

...ives, 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 explosives, with a naked lamp, lighted pipe, or other thing cont...