reglab/housing_qa huggingface dataset:
45 OK Stat § 45-501 (2021)
2021 Oklahoma Statutes|Title 45. Mines and Mining|§45-501. Maps of mines.

|The owner, agent, lessee or operator of every coal or other mine, shall make, or cause to be made by a competent mining engineer or surveyor, an accurate map or plan, of such mine, no smaller than on a scale of two hundred (200) feet to an inch, which map shall show as follows: |(a) All measurements of said mines in feet or decimal parts thereof.(b) All openings, excavations, shafts, tunnels, slopes, planes, main entries, rooms, and other parts, in proper numerical order in each opening or stratum of coal in said mine.(c) The directions of the air currents, when practicable, by darts, or arrows, marked thereon.(d) An accurate delineation of the boundary lines between said mine and all adjoining mines or coal lands where owned or operated by the same operator or other operators, and the relation and proximity of the workings of said mine to any other adjoining mine or coal land.(e) The bearings and lengths of each tunnel, or entry, or the boundary of property lines.The said map or plans, or a true copy thereof, shall be kept in the general mine office by the said operator or superintendent for the use only of the mine officials and mine inspectors, and for the inspection of all persons working in said mines whenever said person or persons shall have cause to fear that any working place is becoming dangerous by reason of its proximity to other workings that may contain water or dangerous gas.R.L.1910, § 3955.
45 OK Stat § 45-502 (2021)
2021 Oklahoma Statutes|Title 45. Mines and Mining|§45-502. Maps to be corrected every six months.

|At least every six (6) months, or oftener if necessary, the operator, owner, lessee, or agent of each mine shall cause to be shown accurately on the map or plan of said mine, all the excavations made therein during the time elapsing since such excavations were last shown upon said map or plan, and all parts of said mine, which were worked out or abandoned during said elapsed period of time, shall be clearly indicated by colorings on said map or plan, and whenever any of the workings or excavations of said mine have been driven to their boundary, a correct measurement of all such workings or excavation shall be made promptly and recorded in a survey book, prior to the removal of the pillars or any part of the same from such workings or excavations. |R.L.1910, § 3956.
45 OK Stat § 45-503 (2021)
2021 Oklahoma Statutes|Title 45. Mines and Mining|§45-503. Mine inspectors to be furnished copies of maps.

|The operator or superintendent of every mine shall furnish the mine inspectors of the district in which said mine is located with a correct copy, on tracing muslin or sunprint, of the map or plan of said mine hereinbefore provided for, and the inspector of the district shall at the end of each year, or twice a year, if he requires it, return said map or plan to the proper person at any particular mine, whose duty it shall be to place or cause to be placed, on said map or plan all extensions and worked out or abandoned parts of the mine during the preceding six (6) or twelve (12) months, as the case may be, and forward the same to the district mine inspector within thirty (30) days from the time of receiving it. When any mine is worked out or abandoned, the operator or superintendent shall furnish the mine inspector, within thirty (30) days, with a correct plan of said mine on tracing muslin or cloth, which plan shall clearly show all the worked out or abandoned territory, together with all property and boundary lines, elevations, and other things required by this article. The copies of the maps or plans of the several coal and other mines in each district, as hereinbefore required to be furnished to the mine inspector, shall remain in the care of the inspector of the district in which the said mines are situated, as strictly official records, to be transferred by him to his successor in office. |R.L.1910, § 3957.
45 OK Stat § 45-504 (2021)
2021 Oklahoma Statutes|Title 45. Mines and Mining|§45-504. Penalty for failure to furnish map copies.

|If any superintendent or operator of mines shall neglect or fail to furnish to the mine inspector any copy of maps or plans as hereinbefore required by this Act, or, if the mine inspector shall believe that any map or plan of any coal or other mine made or furnished in pursuance of the provisions of this act, is materially inaccurate or imperfect, then in either case, the mine inspector is hereby authorized to cause a correct survey and map or plan of said mine to be made at the expense of the operator thereof, the cost of which shall be recoverable from said operator as other debts are recoverable by law: Provided, that when the inspector shall cause a new survey and map or plan of any such mine, and it is found that the map or plan furnished by the operator was substantially correct, then the cost of the survey, map or plan, caused to be made by the inspector, shall be paid by the state. |R.L.1910, § 3958.
45 OK Stat § 45-505 (2021)
2021 Oklahoma Statutes|Title 45. Mines and Mining|§45-505. Conduct of developments.

|In the preparation of maps of the territory being, or to be, developed in mining operations, it shall be the duty of the operator, where practicable, to furnish the district inspector prospective plans suitable to the coal seam and adjacent strata, for the safe economic extraction of coal or other mineral. It shall be the duty of the operator to see that the developments are systematically conducted to preserve the health, safety and welfare of the employees and to prevent the unnecessary leaving of coal or other mineral in the ground. |R.L.1910, § 3959.
45 OK Stat § 45-506 (2021)
2021 Oklahoma Statutes|Title 45. Mines and Mining|§45-506. Ventilation - Construction of air and hoisting shafts.

|It shall be unlawful for the operator or superintendent, mine foreman or other person, to employ more than ten persons in any coal or other mine, or permit more than ten persons to be employed therein at any one time unless they are in communication with at least two available openings to the surface from each seam or stratum of coal or other mineral worked in such mine: Provided, that in any mine operated by shaft or slope and ventilated by a fan placed at the second opening, and said second opening is a slope or shaft, it may be used as an airway and for a traveling way into and from the mine, and if the said second opening is a shaft through which the employees travel into and from the mine, by reason of a stairway, or are regularly lowered into and hoisted from the mine by the use of machinery and such shaft is divided by suitable material into two compartments while developing or opening the mine up, to the ten men as hereinbefore, one of them may be used for an airway and the other for the purpose of ingress and egress into and from said mine; and further provided, that any fan shaft hereafter divided into compartments for the purpose of ventilation, and ingress and egress into and from the mines or any divided partition now in use that may hereafter be replaced, wholly or in part, shall be constructed of noncombustible material. And there shall be cut around the bottom of all hoisting shafts, or driven through the solid strata a traveling way not less than five (5) feet high and three (3) feet wide, to enable persons to pass from one side of the shaft to the other without passing over or under the cage or other apparatus, and there shall be cut around all other shafts a traveling way to save the necessity of passing under the shaft. |R.L.1910, § 3961.
45 OK Stat § 45-507 (2021)
2021 Oklahoma Statutes|Title 45. Mines and Mining|§45-507. Openings to be separated by natural strata.

|In all shaft mines the openings to the surface hereinbefore provided for shall be separated from each other by natural strata at all points by a distance of not less than one hundred fifty (150) feet, and at all mines worked by slope openings, the distance separating openings shall not be less than fifty (50) feet of natural strata: Provided, that in any mine opened heretofore the distance between said openings may be less, if the mine inspector of the district shall deem it impracticable to comply with the foregoing requirements. Where the two openings shall not have been provided as hereinbefore required, the mine inspector shall cause the second opening to be made in every mine without delay and in no case shall furnace ventilation be used where there is only one opening into the mine. |R.L.1910, § 3962.
45 OK Stat § 45-508 (2021)
2021 Oklahoma Statutes|Title 45. Mines and Mining|§45-508. Shaft not more than seventy-five feet deep.

|When the opening or outlet other than the main opening is a shaft and does not exceed seventy-five (75) feet in vertical depth, and is used by the employees for the purpose of ingress and egress from the mine, it shall be kept in a safe and available condition and free from steam and dangerous gases and all other obstructions, and shall be fitted with safe and convenient stairs, with steps of an average tread of ten (10) inches, and ten (10) inches raise, not less than two (2) feet wide and not to exceed an angle of forty-five (45]lsco]lsc) degrees descent, with landings ofnot less than eighteen (18) inches wide and four (4) feet long, at easy and convenient distances, and water coming from the surface or out of the strata in the shaft shall be conducted away by rings, cases or otherwise, and be prevented from falling upon persons who are ascending or descending the stairway of the shaft. |R.L.1910, § 3963.
45 OK Stat § 45-509 (2021)
2021 Oklahoma Statutes|Title 45. Mines and Mining|§45-509. Hoisting machinery in shaft over seventy-five feet deep.

|When any mine is operated by a shaft which exceeds seventy-five (75) feet in vertical depth, the persons employed in said mine shall be lowered into and raised from said mine by means of machinery, and where the employees are lowered into and hoisted from the mines at the main shaft opening, the other shaft shall be supplied with safe and suitable machinery for hoisting and lowering persons, or with safe and convenient stairs for use in cases of emergency by persons employed in said mine: Provided, that any mine operated by two shafts, and where safe and suitable machinery is provided at both shafts for hoisting coal or other mineral, or persons, as herein provided for, shall have sufficiently complied with the requirements of this section. |R.L.1910, § 3964.
45 OK Stat § 45-510 (2021)
2021 Oklahoma Statutes|Title 45. Mines and Mining|§45-510. Angle of traveled slope.

|At any mine where one of the two openings as required herein, is a slope and is used as a traveling way, it shall not have a greater angle of descent than twenty degrees (20o) and may be of any depth. |R.L.1910, § 3965.
45 OK Stat § 45-511 (2021)
2021 Oklahoma Statutes|Title 45. Mines and Mining|§45-511. Inspection of hoisting equipment and stairs.

|The ropes, chains, machinery and all of its connections used for lowering or raising the employees into or out of the mines, and the stairs used for ingress and egress shall be kept in a safe condition, and inspected once every twenty-four (24) hours by a competent person provided by the mine operator for that purpose, who shall make a daily record of such inspection in a book provided for that purpose, and such machinery and the method of its inspection shall be approved by the mine inspector of the district in which the mine is situated. |R.L. 1910 Sec. 3966.
45 OK Stat § 45-512 (2021)
2021 Oklahoma Statutes|Title 45. Mines and Mining|§45-512. Safety equipment for shafts.

|The operator or superintendent shall provide and maintain from the top to bottom of every shaft, where persons are raised or lowered, a metal tube suitably adapted to the free passage of sound through which conversation may be held between persons at the top and bottom of said shaft, and also a means of signaling from the top to the bottom thereof, and shall provide every cage or gear carriage used for the hoisting or lowering of persons with a sufficient overhead covering to protect those persons when using the same and shall provide also for each said cage or carriage a safety catch approved by the mine inspector, and the said operator or superintendent shall see that flanges with clearance of not less than four (4) inches when the whole of the rope is wound around the drum, are attached to the sides of the drum of every machine that is used for lowering persons into or hoisting them out of the mines, and also, that adjacent brakes are attached to the drums: Provided, that the rope shall be left around the drum at least two and one-half (2 1/2) times when the cage is at the bottom. At all shafts, safety gates to be approved by the mine inspector of the district, shall be so placed as to prevent persons from falling into the shaft. |R.L.1910, § 3967.
45 OK Stat § 45-513 (2021)
2021 Oklahoma Statutes|Title 45. Mines and Mining|§45-513. Quality and testing of chains.

|The main coupling chain, attached to the socket of the wire rope, shall be made of the best quality of iron and shall be tested by weights, or otherwise, to the satisfaction of the mine inspector of the district where the mine is located, and the bridle chains shall be attached to the main hoisting rope above the socket from the top cross piece of the carriage or cage so that no single chain shall be used for lowering persons into or hoisting them out of the mine. |R.L.1910, § 3968.
45 OK Stat § 45-514 (2021)
2021 Oklahoma Statutes|Title 45. Mines and Mining|§45-514. Number of persons lowered or hoisted at one time.

|No greater number of persons shall be lowered or hoisted at any one time than may be permitted by the mine inspector of the district, and notice of the number so allowed to be lowered or hoisted at any one time shall be kept posted up by the operator or superintendent in conspicuous places at the top and bottom of the shaft, and the aforesaid notice shall be signed by the mine inspector of the district. |R.L.1910, § 3969.
45 OK Stat § 45-515 (2021)
2021 Oklahoma Statutes|Title 45. Mines and Mining|§45-515. Inspection - Guard railings.

|The ropes, chains, machinery and all of its connections used at the operating shaft and slope mines, where the employees are lowered into or hoisted from the mine, and the same used on all gravity and inclined planes, shall be inspected and a record made of said inspection in the same manner as provided for in Section 3966. At all mines all machinery from which any accident might occur shall be properly fenced off by suitable guard railings. |R.L.1910, § 3970.
45 OK Stat § 45-516 (2021)
2021 Oklahoma Statutes|Title 45. Mines and Mining|§45-516. Ventilation.

|The operator of every coal or other mine, whether shaft, slope or drift shall provide and hereafter maintain ample means of ventilation affording not less than one hundred fifty (150) cubic feet of air per minute, for each and every person employed therein, and seven hundred fifty (750) cubic feet of air per minute for every animal employed therein; but, in a mine where fire damp has been detected, the minimum shall be two hundred (200) cubic feet per minute for each person employed therein, and as much more in either case as one or more of the mine inspectors may deem requisite, and the ventilation shall be conducted through the main cross entries and all other working places, so as to dilute and render harmless and expel therefrom the noxious and poisonous gases, and all working places shall be kept clear of standing gases. |R.L.1910, § 3971.
45 OK Stat § 45-517 (2021)
2021 Oklahoma Statutes|Title 45. Mines and Mining|§45-517. Number working in same air current - Fans and furnaces - Stoppings between intake and return airways.

|Not more than forty-five persons shall be permitted to work in the same air current and mines where ten or more persons are employed shall be provided with a fan or other artificial means to produce the ventilation, but no furnace shall be used where mines generate gases in dangerous guantities, and all stoppings between main intake and return airways hereafter built or replaced shall be substantially built of suitable masonry, or concrete which shall be approved by the inspector of the district. |R.L.1910, § 3972.
45 OK Stat § 45-519 (2021)
2021 Oklahoma Statutes|Title 45. Mines and Mining|§45-519. Mines to be kept free from gas.

|All mines generating fire damp shall be kept free of standing gas in all working places and roadways. No accumulation of explosive gas shall be allowed to exist in the worked-out or abandoned parts of any mine. It shall be removed as soon as possible after its discovery, and no miners or other persons who are not employed in the removal of the dangerous accumulation, shall be allowed to remain in any mine, or part of mine, during the time that a dangerous accumulation of explosive gas is being removed from any part of the mine, and the entrance or entrances to be worked out and abandoned places shall be properly fenced off and cautionary notices shall be posted upon said fencing to warn persons of danger. |R.L.1910, § 3974.
45 OK Stat § 45-520 (2021)
2021 Oklahoma Statutes|Title 45. Mines and Mining|§45-520. Inspection for gas.

|In all mines wherein explosive gas is generated, and also in all mines where the fire damp has generated, in sufficient quantities to be detected by the ordinary safety lamp, every working place without exception, and all roadways shall be carefully examined immediately before each shift by a competent person, who shall be known as the fireboss, appointed by the superintendent and mine foreman for that purpose. The person or persons making such examination shall use no light other than that enclosed in a safety lamp while making such examination. In all cases, said examination shall be begun within the shortest possible period of time necessary to complete such inspection before the regular time appointed to commence work, but in no case shall said examination be begun more than three (3) hours prior to the appointed time of each shift in commencing work, and it shall be the duty of the said fire boss to examine for all dangers likely to be found, and after each examination to leave at the face and sides of every place so examined, evidence of his presence, and he shall at each examination, inspect the entrance, or entrances, to the worked out or abandoned parts, which are adjacent to the roadways and working places of the mines where fire damp is likely to accumulate, and in every working place and all other places where explosive gas is discovered, also where immediate danger is found to exist from other causes he shall place a danger signal across the entrance to such places, which shall be a sufficient warning for all persons not to enter said place. |R.L.1910, § 3975.
45 OK Stat § 45-521 (2021)
2021 Oklahoma Statutes|Title 45. Mines and Mining|§45-521. Danger signals.

|The fire boss shall at each entrance to the mine, or to the main intake airway, near to the mine entrance, prepare a permanent station with the proper danger signals designated as follows: |X-(DATE OF MONTH)-Xand it shall not be lawful for any person or persons, except the mine officials in cases of necessity, and such other persons as may be designated by them, to pass beyond said danger station, until the mine has been examined by the fire boss as aforesaid, and the same, or certain parts thereof, reported by him to be safe; and in all mines where operations are temporarily or indefinitely suspended, the superintendent and mine foreman shall see that a danger signal be placed at the mine entrance, or entrances, which shall be a sufficient warning to persons not to enter the mine, and if ordinary circulation of air through the mine be stopped, each entrance to said mine shall be securely fenced off and a danger signal shall be displayed upon said fence, and any workman or other person (except those persons hereinbefore provided for) passing beyond any danger signal into the mine before it has been examined and reported to be safe as aforesaid, also any person passing beyond any danger signal placed at the entrance to a working place, or any other place, in the mine without permission of the mine foreman, his assistant or his fire boss, shall be punished by a fine of not less than Fifty Dollars ($50.00) nor more than Two Hundred Dollars ($200.00), or imprisonment in the county jail not to exceed thirty (30) days, or both such fine and imprisonment; and it shall be the duty of the fire boss, mine foreman, or superintendent to forthwith prosecute such person, or persons, before the proper legal authority, or to notify the mine inspector, who shall enter proceedings against such person.R.L.1910, § 3976.
45 OK Stat § 45-522 (2021)
2021 Oklahoma Statutes|Title 45. Mines and Mining|§45-522. Electric wires to be insulated.

|In all mines where electricity is, used as a part of the system, power or means of mining and procuring the coal or other mineral therefrom, the owners, or operators thereof shall cause all wires conducting electricity in and about said mines, to be carefully and thoroughly insulated or protected in a safe manner, so that the persons or animals coming in contact therewith, shall not be injured; all wires as aforesaid shall either be thoroughly insulated or placed where persons employed in or about the mines cannot come in contact therewith, or shall be covered, protected or shielded in a safe manner so as to prevent any injuries or accidents therefrom to those in or about the mines. |R.L.1910, § 3977.
45 OK Stat § 45-523 (2021)
2021 Oklahoma Statutes|Title 45. Mines and Mining|§45-523. Machines to be shielded - Electric pumps.

|In mines where mining machines are used, each machine shall be equipped and provided with a sufficient shield for the protection of those employed in or about said machines or in the use and operation thereof, and said shield shall be kept in use constantly while said machine is being operated. All electric pumps inside of the mine shall receive careful attention. While in use at a permanent pumping station, such pumps shall be placed in a fireproof shed, constructed of masonry walls. |R.L.1910, § 3978.
45 OK Stat § 45-524 (2021)
2021 Oklahoma Statutes|Title 45. Mines and Mining|§45-524. Use of oil and grease.

|The oiling or greasing of cars inside of the mines is strictly forbidden, unless the place where said oil or grease is used is thoroughly cleansed once every day to prevent the accumulation of waste oil or grease on the roads or in the drains at that point. Not more than one (1) barrel of lubricating oil shall be permitted in the mine at any one time. No explosive oil shall be used or taken into the mines for lighting purposes except when used in approved safety lamps, and oil shall not be stored or taken into the mines in quantities exceeding five (5) gallons. Only pure oils, as free from smoke as pure animal oil shall be sold or used for illuminating purposes in any mine. Any person selling for use in mines, or any person using, explosive or impure oils in any mine contrary to this section, shall be punished by a fine of not less than Fifty Dollars ($50.00) nor more than Two Hundred Dollars ($200.00), or imprisonment in the county jail not to exceed thirty (30) days, or both such fine and imprisonment. For special convenience, the operator shall keep on hand a supply of pure oil for illuminating purposes, to comply with the requirements of this section, when requested to do so by a majority of the miners working therein. |R.L.1910, § 3979.