PDF Federal MSHA Regulations (30 CFR 75 - Department of Environmental A minimum distance of 30 feet (9.1 meters) may replace the 50-foot (15.2-meter) requirement if the perimeter of loaded holes is demarcated with a barrier. No person shall be permitted to receive an exposure in excess of 4 WLM in any calendar year. All boilers and pressure vessels shall be constructed, installed, and maintained in accordance with the standards and specifications of the American Society of Mechanical Engineers Boiler and Pressure Vessel Code. Wet drilling means the continuous application of water through the central hole of hollow drill steel to the bottom of the drill hole. 291Testing and Marking Hydrants. Requests for a hearing shall be in writing and contain the following information: (1) Name, address, and mine identification number; (2) A concise statement of the reason why the Administrator's determination is inappropriate; and. The mine operator shall comply with all provisions of the retort plan. 57.4505 Fuel lines to underground areas. Flammable and Combustible Liquids and Gases. Copies are available at MSHA's Office of Standards, Regulations, and Variances, 201 12th Street South, Arlington, VA 222025452; 2026939440; and at all Metal and Nonmetal Mine Safety and Health District Offices, or available for examination at the National Archives and Records Administration (NARA). The MSHA enforces regulations as per the Federal Mine Safety and Health Act of 1977, which is the basis of many safety protocols and standards you'll see in mining operations today. (a) Cutting and drilling equipment used at a face or bench shall be approved by MSHA under the applicable requirements of 30 CFR parts 18 through 36. Manual material handling (MMH) is the process of routinely moving and handling objects by carrying, holding, lifting, pulling, pushing, and stooping. 57.22201 Mechanical ventilation (I-A, I-B, I-C, II-A, II-B, III, IV, V-A, and V-B mines). (f) Safety fuse shall be ignited only after the primer and the explosive material are securely in place. (2) Upon request from an authorized representative of the Secretary of Labor, the Secretary of Health and Human Services, or from the authorized representative of miners, mine operators must promptly provide access to any record listed in the table in this section. 57.15031 Location of self-rescue devices. Parts used to repair hoists shall have properties that will ensure the proper and safe function of the hoist. Copies of these publications may be examined at any Metal and Nonmetal Mine Safety and Health District Office; at MSHA's Office of Standards, Regulations, and Variances, 201 12th Street South, Arlington, VA 222025452; 2026939440; or at the National Archives and Records Administration (NARA). 57.16003 Storage of hazardous materials. (b) The train operator, when present, is notified and the notice acknowledged. (3) Any group of containers used for storage of more than 60 gallons of flammable or combustible liquids. Lightning protection for telephone wires and ungrounded conductors. (a) An adequate supply of potable drinking water shall be provided at all active working areas. (c) Bulk blasting agents shall be stored in weather-resistant bins or tanks which are locked, attended, or otherwise inaccessible to unauthorized entry. [53 FR 32526, Aug. 25, 1988, as amended at 60 FR 35695, July 11, 1995; 71 FR 16667, Apr. 57.22208 Auxiliary fans (I-A, II-A, III, and V-A mines). 57.14205 Machinery, equipment, and tools. (a) When explosive materials or initiating systems are brought to the blast site, the blast site shall be attended; barricaded and posted with warning signs, such as Danger, Explosives, or Keep Out; or flagged against unauthorized entry. (c) Provided with damage protection as near as possible to that of the original, including good bonding to the outer jacket. Hoist operators shall accept hoisting instructions only by the regular signaling system unless it is out of order. (b) If the monitoring system indicates that methane in the mine is less than 0.5 percent, competent persons may enter the mine to test for methane in all blast areas. A record of the resistance measured during the most recent test shall be made available on a request by the Secretary or his duly authorized representative. 57.22222 Ventilation materials (I-A, I-B, I-C, II-A, III, V-A, and V-B mines). eCFR :: 29 CFR 1926.1431 -- Hoisting personnel. The training must include. (b) The facility shall be cleaned to prevent accidental detonation. (b) Solvents shall not be used near an open flame or other ignition source, near any source of heat, or in an atmosphere that can elevate the temperature of the solvent above the flash point. Intoxicating beverages and narcotics shall not be permitted or used in or around mines. Escapeway means a passageway by which persons may leave a mine. Company official means a member of the company supervisory or technical staff. Smoking or open flames shall not be permitted in a face or raise, or during release of gas from a borehole until tests have been conducted in accordance with 57.22226 and the methane level has been determined to be below 0.5 percent. If guide ropes are used in shafts for personnel hoisting applications other than shaft development, the nominal strength (manufacturer's published catalog strength) of the guide rope at installation shall meet the minimum value calculated as follows: Minimum value = Static Load 5.0. Emergency telephone numbers shall be posted at appropriate telephones. The roadway shall be wide enough to accommodate the size of the equipment being tested. 57.7051 Loose objects on the mast or drill platform. We recommend you directly contact the agency responsible for the content in question. All blasting lines shall be insulated and kept in good repair. 57.22307 Methane monitors (II-A mines). In underground areas where dangerous accumulations of water, gas, mud, or fire atmosphere could be encountered, persons shall be removed to safe places before blasting. (c) Power shall be deenergized in affected areas prior to making ventilation changes, except power to monitoring equipment determined by MSHA to be intrinsically safe under 30 CFR part 18. 57.9330 Clearance for surface equipment. When a manually operated hoist is used, a qualified hoistman shall remain within hearing of the telephone or signal device at all times while any person is underground. Detailed instructions for filing Form 5000-41, Health Activity Certification or Hoisting Engineers Qualification Request Form are available in HTML or PDF. Identity of PLHCP and most recent written determination of miner's ability to wear a respirator. However, metal plates on which a person normally would stand and which are kept at the same potential as the grounded, metal, non-current-carrying parts of the power switches to be operated may be used. Haulage activity is permitted near the base of bench faces being loaded or awaiting firing, provided no other haulage access exists. (1) The location of the stored material and the storage practices used; (2) The transportation and use of the explosive material; (3) The nature of the explosive material, including its sensitivity; (4) Any other factor deemed relevant to the safety of miners potentially exposed to the hazards associated with the mixing of the bulk explosive material underground. (1) Self-propelled mobile equipment shall be equipped with a service brake system capable of stopping and holding the equipment with its typical load on the maximum grade it travels. Ladderways constructed after November 15, 1979, shall have a minimum unobstructed cross-sectional opening of 24 inches by 24 inches measured from the face of the ladder. 57.22234 Actions at 1.0 percent methane (I-A, I-B, III, V-A, and V-B mines). Primer means a unit, package, or cartridge of explosives used to initiate other explosives or blasting agents, and which contains a detonator. (a) When persons are exposed to slushing operations, the slushers shall be equipped with rollers and drum covers and anchored securely before slushing operations are started to protect against hazardous movement before slushing operations are started. The control door shall provide protection at least equivalent to a door constructed of no less than one-quarter inch of plate steel with channel or angle-iron reinforcement to minimize warpage. 57.13021 High-pressure hose connections. Overburden means material of any nature, consolidated or unconsolidated, that overlies a deposit of useful materials or ores that are to be mined. If used as an alternative, reversal of mechanical ventilation shall. Shaft inspection and repair work in vertical shafts shall be performed from substantial platforms equipped with bonnets or equivalent overhead protection. Tamping and loading poles shall be of wood or other nonconductive, nonsparking material. MSHA - Program Policy Manual - Volume IV It may be examined at any Metal and Nonmetal Mine Safety and Health District Office of the Mine Safety and Health Administration, and may be obtained from the publisher, the National Board of Boiler and Pressure Vessel Inspectors, 1055 Crupper Avenue, Columbus, Ohio 43229. Movement of independently operating rail equipment. 57.19062 Maximum acceleration and deceleration. Short circuit means an abnormal connection of relatively low resistance, whether made accidentally or intentionally, between two points of difference potential in a circuit. The complete or partial failure of explosive material to detonate as planned. (c) Where flyrock might damage exposed safety fuse, the blast shall be timed so that all safety fuses are burning within the blastholes before any blasthole detonates. 24, 1988]. (c) If the monitoring system indicates that methane in the mine is 0.5 percent or more, the mine shall be ventilated and persons shall not enter the mine until the monitoring system indicates that methane in the mine is less than 0.5 percent. (a) Inspected at regular intervals and maintained in safe, travelable condition; and. (a) Prior to chute-pulling, persons who could be affected by the draw or otherwise exposed to danger shall be warned and given time to clear the hazardous area. Detonating cord. Fixed ladders 70 degrees to 90 degrees from the horizontal and 30 feet or more in length shall have backguards, cages or equivalent protection, starting at a point not more than seven feet from the bottom of the ladders. The term promptly means before the end of the next shift during which a qualified mechanic is scheduled to work. If the PLHCP determines that the miner cannot wear a negative pressure respirator, the mine operator must make certain that the PLHCP evaluates the miner's ability to wear a powered air purifying respirator (PAPR). (8) The mine operator must maintain a record of the identity of the PLHCP and the most recent written determination of each miner's ability to wear a respirator for the duration of the miner's employment plus six months. The Administrator for Metal and Nonmetal Mine Safety and Health (Administrator) shall be responsible for category and subcategory placement, change in placement, and notification of placement of mines. (1) Maintained in good condition and shall comply with the requirements of subpart M of this part; (2) Equipped with sides and enclosures higher than the explosive material being transported or have the explosive material secured to a nonconductive pallet; (3) Equipped with a cargo space that shall contain the explosive material (passenger areas shall not be considered cargo space); (4) Equipped with at least two multipurpose dry-chemical fire extinguishers or one such extinguisher and an automatic fire suppression system; (5) Posted with warning signs that indicate the contents and are visible from each approach; (6) Occupied only by persons necessary for handling the explosive material; (7) Attended or the cargo compartment locked at surface areas of underground mines, except when parked at the blast site and loading is in progress; and, (ii) The wheels chocked if movement could occur; and. (a) Open flames, including cutting and welding, shall not be used underground. (b) All piping, valves, and fittings shall be. 57.22207 Booster fans (I-A, II-A, III, and V-A mines). 57.22301 Atmospheric monitoring systems (I-A, II-A, and V-A mines). [50 FR 4082, Jan. 29, 1985, as amended at 60 FR 35695, July 11, 1995; 71 FR 16667, Apr. No miner shall be exposed at any time to airborne concentrations of asbestos in excess of 1 fiber per cubic centimeter of air (f/cc) as averaged over a sampling period of 30 minutes. 57.19067 Trips during shift changes. Prior to secondary breakage operations, the material to be broken, other than hanging material, shall be positioned or blocked to prevent movement which would endanger persons in the work area. A person designated by the mine operator who has sufficient experience and training to perform the assigned task. 57.16002 Bins, hoppers, silos, tanks, and surge piles. 57.12005 Protection of power conductors from mobile equipment. (c) If any monitoring performed under this section indicates that a miner's exposure to diesel particulate matter exceeds the DPM limit specified in 57.5060, the operator must promptly post notice of the corrective action being taken on the mine bulletin board, initiate corrective action by the next work shift, and promptly complete such corrective action. For at least 200 feet inside the mine portal or collar timber used for ground support in intake openings and in exhaust openings that are designated as escapeways shall be, (a) Provided with a fire suppression system, other than fire extinguishers and water hoses, capable of controlling a fire in its early stages; or, (b) Covered with shotcrete, gunite, or other material with equivalent fire protection characteristics; or. (c) Coated with fire-retardant paint or other material to reduce its flame spread rating to 25 or less and maintained in that condition. Damaged, loosened, or dislodged timber use for ground support which creates a hazard to persons shall be repaired or replaced prior to any work or travel in the affected area. Fixed ladders, except on mobile equipment, shall be offset and have substantial railed landings at least every 30 feet unless backguards or equivalent protection such as safety belts and safety lines, are provided. 57.12030 Correction of dangerous conditions. A warning that is audible above the surrounding noise level shall be sounded, (b) When trains approach persons, crossing, other trains on adjacent tracks; and. (d) Fuse shall be cut and capped in dry locations. 57.4260 Underground self-propelled equipment. Inhalation of air containing a radon daughter concentration of 1 WL for 173 hours results in an exposure of 1 WLM.. These devices include electronic detonators, electric or nonelectric instantaneous or delay blasting caps, and delay connectors. Table 57.5075(a)Diesel Particulate Recordkeeping Requirements. (a) In all mines at least one sample shall be taken in exhaust mine air by a competent person to determine if concentrations of radon daughters are present. Main fan means a fan that controls the entire airflow of the mine, or the airflow of one of the major air circuits. (a) All development, production, and bench rounds shall be initiated from the surface after all persons are out of the mine. Certifications and records shall be retained for one year. Where radon daughter concentrations exceed 10 WL, respirator protection against radon gas shall be provided in addition to protection against radon daughters. Underground trailing cables shall be accepted or approved by MSHA as flame resistant. When explosive material is hauled by trolley locomotive, covered, electrically insulated cars shall be used. 57.8532 Opening and closing ventilation doors. Man cages and skips used for hoisting or lowering employees or other persons in any vertical shaft or any incline shaft with an angle of inclination of forty-five degrees from the horizontal, shall be covered with a metal bonnet. (d) Buckets equipped with positive locks to prevent accidental tripping or dumping. (a) Flammable liquids shall not be used for cleaning. Stopblocks, derail devices, or other devices that protect against moving or runaway rail equipment shall be installed wherever necessary to protect persons. [50 FR 4082, Jan. 29, 1985, as amended at 68 FR 32361, May 30, 2003; 69 FR 38842, June 29, 2004]. the hierarchy of the document. When carried on poles supporting powerlines, they shall be installed as specified by the National Electrical Code. An individual capable of providing first aid shall be available on all shifts. Insulation means a dielectric substance offering a high resistance to the passage of current and to a disruptive discharge through the substance. Certifications shall be retained for at least one year and made available to authorized representatives of the Secretary. Hoisting tools, timbers, and other materials. Working level (WL) means any combination of the short-lived radon daughters in one liter of air that will result in ultimate emission of 1.3 105 MeV (million electron volts) of potential alpha energy, and exposure to these radon daughters over a period of time is expressed in terms of working level months (WLM). For rope lengths 4,000 feet or greater: Minimum Value = Static Load 5.0. Main fan. ANSI N13.81973 may be examined at any Metal and Nonmetal Mine Safety and Health District Office of the Mine Safety and Health Administration, and may be obtained from the American National Standards Institute, Inc., at 25 W. 43rd Street, 4th Floor, New York, NY 10036; http://www.ansi.org. A unit, package, or cartridge of explosives which contains a detonator and is used to initiate other explosives or blasting agents. 57.4462 Storage of combustible liquids underground. When conveyances controlled by a hoist operator are not in use, they shall be released and the conveyances shall be raised or lowered a suitable distance to prevent persons from boarding or loading the conveyances. A bullet-resistant, theft-resistant, fire-resistant, weather-resistant, ventilated facility for the storage of explosives and detonators (BATF Type 1 or Type 2 facility). They shall be emptied frequently and shall be maintained in a clean and sanitary condition. If you work for a Federal agency, use this drafting Water gel. [53 FR 32528, Aug. 25, 1988; 53 FR 44588, Nov. 4, 1988, as amended at 60 FR 33722, June 29, 1995; 67 FR 38385, June 4, 2002; 68 FR 19347, Apr. If methane reaches 2.0 percent in the mine atmosphere, all persons other than competent persons necessary to make ventilation changes shall be withdrawn from the mine until methane is reduced to less than 0.5 percent. 57.7054 Starting or moving drill equipment. (a) Surface storage buildings or storage rooms in which flammable or combustible liquids, including grease, are stored and that are within 100 feet of any person's work station shall be ventilated with a sufficient volume of air to prevent the accumulation of flammable vapors. 57.19103 Dumping facilities and loading pockets. 3, 2006]. (1) Structurally sound, weather-resistant, equipped with a lid or cover, and with only nonsparking material on the inside; (2) Posted with the appropriate United States Department of Transportation placards or other appropriate warning signs that indicate the contents and are visible from each approach; (3) Located out of the blast area once loading has been completed; (4) Locked or attended when containing explosive material; and. 57.22241 Advance face boreholes (I-C mines). At 66 FR 5907, Jan. 19, 2001, 57.5066 was added, effective July 5, 2001, except for paragraph (b). 57.22221 Overcast and undercast construction (I-A, II-A, III, and V-A mines). Vents shall be installed so that forces are directed away from persons should an explosion occur. Other persons may reenter the mine after the main fans have been operational for at least 30 minutes, or after the mine atmosphere has been tested and contains less than 1.0 percent methane. Torches shall be attended at all times while lit. 57.22218 Seals and stoppings (III, V-A, and V-B mines). PDF Health Activity Certification or Hoisting Engineer Qualification 121Mobile Surface Mining Equipment. Braking systems on railroad cars and locomotives shall be maintained in functional condition. (b) Category or subcategory placement or change in placement shall include consideration of the following: (1) The history and geology of the mine or of the geological area in which the mine is located; (3) The character, amount, duration, origin, and nature of methane emission and the presence of explosive dust and inert gases; and. Expiration: 2/29/2024 Access to stationary electrical equipment or switchgear. First aid training shall be made available to all interested miners. 57.19065 Lowering conveyances by the brakes. Circuit breaker means a device designed to open and close a circuit by nonautomatic means and to open the circuit automatically on a predetermined overcurrent setting without injury to itself when properly applied within its rating. (3) Any group of containers used for storage of more than 60 gallons of combustible liquids. In the event of power failure, drill controls shall be placed in the neutral position until power is restored. (b) The operator or the representative of the miners shall have the right to request of the Administrator reassignment of the mine to a more appropriate category or subcategory if, based on operating experience, the conditions set forth in 57.22003(b) indicate that the hazards of methane exist under circumstances more appropriately governed by a different category or subcategory. This publication may be obtained from the American Conference of Governmental Industrial Hygienists by writing to 1330 Kemper Meadow Drive, Attn: Customer Service, Cincinnati, OH 45240, http://www.acgih.org, or may be examined in any Metal and Nonmetal Mine Safety and Health District Office of the Mine Safety and Health Administration. (b) Records of inspections shall be kept in accordance with requirements of the National Board Inspection Code, and the records shall be made available to the Secretary or his authorized representative. (1) Blasting units shall be approved by MSHA under 30 CFR part 25; or. Combustible liquids. The small quantities shall be stored in safety cans or in non-glass containers of a capacity equal to or less than a safety can. MSHA - Program Information Bulletin: P08-19: Re-Issue of P01-4 - Hoist After initial rope stretch but before visible wear occurs, the rope diameter of newly installed wire ropes shall be measured at least once in every third interval of active length and the measurements averaged to establish a baseline for subsequent measurements. Limit on exposure to diesel particulate matter. When automatic hoisting is used, a competent operator of the hoist shall be readily available at or near the hoisting device while any person is underground. Crosscuts before abandonment (III mines). 57.15007 Protective equipment or clothing for welding, cutting, or working with molten metal. Regulations | Mine Safety and Health Administration (MSHA) Blowout means a sudden, violent, release of gas or liquid due to the reservoir pressure in a petroleum mine. However, this standard does not apply where physical limitations would prevent the safe installation or use of such trolley and trolley feeder wire. (c) Where a person works on or around mobile equipment, self-rescue devices may be placed in a readily accessible location on such equipment. (d) The operator shall maintain the examination records for at least one year, make the records available for inspection by authorized representatives of the Secretary and the representatives of miners, and provide these representatives a copy on request. An R-series filter shall not be used for longer than one work shift. Dnipro State Medical University - Wikipedia Hoisting heavy equipment or material. (a) Be coursed directly to a return airway; (b) Be tested daily for methane by a competent person; and. (3) Where a mine has been classified in Categories I through V after the effective date of these standards and category reassignment is being considered, the mine shall comply with the standards applicable to the category to which presently assigned until category placement is final. 57.19091 Signaling instructions to hoist operator. Provision and maintenance of self-rescue devices. 57.5005 Control of exposure to airborne contaminants. Where grooved drums are used, the grooves shall be of suitable size and pitch for the ropes used. This standard does not apply to rail equipment. 1 CFR 1.1 Abandoned mine means all work has stopped on the mine premises and an office with a responsible person in charge is no longer maintained at the mine. Shaft means a vertical or inclined shaft, a slope, incline, or winze. Equipment defects affecting safety shall be corrected before the equipment is used. Mill includes any ore mill, sampling works, concentrator, and any crushing, grinding, or screening plant used at, and in connection with, an excavation or mine. (f) Within 30 days after service of an initial decision of an Administrative Law Judge, the Assistant Secretary for Mine Safety and Health may undertake a discretionary review of the initial decision, or the mine operator, or representative of the miners may appeal the initial decision of the Administrative Law Judge to the Assistant Secretary. (2) On the surfacecovered metal containers or equivalent containers with flame containment characteristics. (b) Storage tanks shall be vented or otherwise constructed to prevent development of pressure or vacuum as a result of filling, emptying, or atmospheric temperature changes. (3) A copy of the Administrator's determination. 57.17001 Illumination of surface working areas. Society of Automotive Engineers (SAE) minimum performance criteria for falling object protective structures (FOPS) SAE J231January, 1981. A manual master quick-close type air valve shall be installed on all pneumatic-powered equipment if there is a hazard of uncontrolled movement when the air supply is activated. 57.12003 Trailing cable overload protection. Unventilated areas shall be sealed, or barricaded and posted against entry. 57.8534 Shutdown or failure of auxiliary fans. Only jacketed electrical cables accepted or approved by MSHA as flame resistant shall be used to supply power to distribution boxes and electrical equipment operating in face and bench areas. Superfast Hurricane Marigold Oak, Jps Hospital Patient Information, Caaspp Practice Test 11th Grade Pdf, Usc University Park Campus Address, Articles M
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msha hoisting regulations

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msha hoisting regulations

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(a) The mine shall be nongassy and shall have multiple horizontal or inclined roadways from the surface large enough to accommodate vehicular traffic; (b) All roadways and other openings shall connect with another opening every 100 feet by a passage large enough to accommodate any vehicle in the mine or alternate routes shall provide equivalent escape capabilities; and. PDF Federal MSHA Regulations (30 CFR 75 - Department of Environmental A minimum distance of 30 feet (9.1 meters) may replace the 50-foot (15.2-meter) requirement if the perimeter of loaded holes is demarcated with a barrier. No person shall be permitted to receive an exposure in excess of 4 WLM in any calendar year. All boilers and pressure vessels shall be constructed, installed, and maintained in accordance with the standards and specifications of the American Society of Mechanical Engineers Boiler and Pressure Vessel Code. Wet drilling means the continuous application of water through the central hole of hollow drill steel to the bottom of the drill hole. 291Testing and Marking Hydrants. Requests for a hearing shall be in writing and contain the following information: (1) Name, address, and mine identification number; (2) A concise statement of the reason why the Administrator's determination is inappropriate; and. The mine operator shall comply with all provisions of the retort plan. 57.4505 Fuel lines to underground areas. Flammable and Combustible Liquids and Gases. Copies are available at MSHA's Office of Standards, Regulations, and Variances, 201 12th Street South, Arlington, VA 222025452; 2026939440; and at all Metal and Nonmetal Mine Safety and Health District Offices, or available for examination at the National Archives and Records Administration (NARA). The MSHA enforces regulations as per the Federal Mine Safety and Health Act of 1977, which is the basis of many safety protocols and standards you'll see in mining operations today. (a) Cutting and drilling equipment used at a face or bench shall be approved by MSHA under the applicable requirements of 30 CFR parts 18 through 36. Manual material handling (MMH) is the process of routinely moving and handling objects by carrying, holding, lifting, pulling, pushing, and stooping. 57.22201 Mechanical ventilation (I-A, I-B, I-C, II-A, II-B, III, IV, V-A, and V-B mines). (f) Safety fuse shall be ignited only after the primer and the explosive material are securely in place. (2) Upon request from an authorized representative of the Secretary of Labor, the Secretary of Health and Human Services, or from the authorized representative of miners, mine operators must promptly provide access to any record listed in the table in this section. 57.15031 Location of self-rescue devices. Parts used to repair hoists shall have properties that will ensure the proper and safe function of the hoist. Copies of these publications may be examined at any Metal and Nonmetal Mine Safety and Health District Office; at MSHA's Office of Standards, Regulations, and Variances, 201 12th Street South, Arlington, VA 222025452; 2026939440; or at the National Archives and Records Administration (NARA). 57.16003 Storage of hazardous materials. (b) The train operator, when present, is notified and the notice acknowledged. (3) Any group of containers used for storage of more than 60 gallons of flammable or combustible liquids. Lightning protection for telephone wires and ungrounded conductors. (a) An adequate supply of potable drinking water shall be provided at all active working areas. (c) Bulk blasting agents shall be stored in weather-resistant bins or tanks which are locked, attended, or otherwise inaccessible to unauthorized entry. [53 FR 32526, Aug. 25, 1988, as amended at 60 FR 35695, July 11, 1995; 71 FR 16667, Apr. 57.22208 Auxiliary fans (I-A, II-A, III, and V-A mines). 57.14205 Machinery, equipment, and tools. (a) When explosive materials or initiating systems are brought to the blast site, the blast site shall be attended; barricaded and posted with warning signs, such as Danger, Explosives, or Keep Out; or flagged against unauthorized entry. (c) Provided with damage protection as near as possible to that of the original, including good bonding to the outer jacket. Hoist operators shall accept hoisting instructions only by the regular signaling system unless it is out of order. (b) If the monitoring system indicates that methane in the mine is less than 0.5 percent, competent persons may enter the mine to test for methane in all blast areas. A record of the resistance measured during the most recent test shall be made available on a request by the Secretary or his duly authorized representative. 57.22222 Ventilation materials (I-A, I-B, I-C, II-A, III, V-A, and V-B mines). eCFR :: 29 CFR 1926.1431 -- Hoisting personnel. The training must include. (b) The facility shall be cleaned to prevent accidental detonation. (b) Solvents shall not be used near an open flame or other ignition source, near any source of heat, or in an atmosphere that can elevate the temperature of the solvent above the flash point. Intoxicating beverages and narcotics shall not be permitted or used in or around mines. Escapeway means a passageway by which persons may leave a mine. Company official means a member of the company supervisory or technical staff. Smoking or open flames shall not be permitted in a face or raise, or during release of gas from a borehole until tests have been conducted in accordance with 57.22226 and the methane level has been determined to be below 0.5 percent. If guide ropes are used in shafts for personnel hoisting applications other than shaft development, the nominal strength (manufacturer's published catalog strength) of the guide rope at installation shall meet the minimum value calculated as follows: Minimum value = Static Load 5.0. Emergency telephone numbers shall be posted at appropriate telephones. The roadway shall be wide enough to accommodate the size of the equipment being tested. 57.7051 Loose objects on the mast or drill platform. We recommend you directly contact the agency responsible for the content in question. All blasting lines shall be insulated and kept in good repair. 57.22307 Methane monitors (II-A mines). In underground areas where dangerous accumulations of water, gas, mud, or fire atmosphere could be encountered, persons shall be removed to safe places before blasting. (c) Power shall be deenergized in affected areas prior to making ventilation changes, except power to monitoring equipment determined by MSHA to be intrinsically safe under 30 CFR part 18. 57.9330 Clearance for surface equipment. When a manually operated hoist is used, a qualified hoistman shall remain within hearing of the telephone or signal device at all times while any person is underground. Detailed instructions for filing Form 5000-41, Health Activity Certification or Hoisting Engineers Qualification Request Form are available in HTML or PDF. Identity of PLHCP and most recent written determination of miner's ability to wear a respirator. However, metal plates on which a person normally would stand and which are kept at the same potential as the grounded, metal, non-current-carrying parts of the power switches to be operated may be used. Haulage activity is permitted near the base of bench faces being loaded or awaiting firing, provided no other haulage access exists. (1) The location of the stored material and the storage practices used; (2) The transportation and use of the explosive material; (3) The nature of the explosive material, including its sensitivity; (4) Any other factor deemed relevant to the safety of miners potentially exposed to the hazards associated with the mixing of the bulk explosive material underground. (1) Self-propelled mobile equipment shall be equipped with a service brake system capable of stopping and holding the equipment with its typical load on the maximum grade it travels. Ladderways constructed after November 15, 1979, shall have a minimum unobstructed cross-sectional opening of 24 inches by 24 inches measured from the face of the ladder. 57.22234 Actions at 1.0 percent methane (I-A, I-B, III, V-A, and V-B mines). Primer means a unit, package, or cartridge of explosives used to initiate other explosives or blasting agents, and which contains a detonator. (a) When persons are exposed to slushing operations, the slushers shall be equipped with rollers and drum covers and anchored securely before slushing operations are started to protect against hazardous movement before slushing operations are started. The control door shall provide protection at least equivalent to a door constructed of no less than one-quarter inch of plate steel with channel or angle-iron reinforcement to minimize warpage. 57.13021 High-pressure hose connections. Overburden means material of any nature, consolidated or unconsolidated, that overlies a deposit of useful materials or ores that are to be mined. If used as an alternative, reversal of mechanical ventilation shall. Shaft inspection and repair work in vertical shafts shall be performed from substantial platforms equipped with bonnets or equivalent overhead protection. Tamping and loading poles shall be of wood or other nonconductive, nonsparking material. MSHA - Program Policy Manual - Volume IV It may be examined at any Metal and Nonmetal Mine Safety and Health District Office of the Mine Safety and Health Administration, and may be obtained from the publisher, the National Board of Boiler and Pressure Vessel Inspectors, 1055 Crupper Avenue, Columbus, Ohio 43229. Movement of independently operating rail equipment. 57.19062 Maximum acceleration and deceleration. Short circuit means an abnormal connection of relatively low resistance, whether made accidentally or intentionally, between two points of difference potential in a circuit. The complete or partial failure of explosive material to detonate as planned. (c) Where flyrock might damage exposed safety fuse, the blast shall be timed so that all safety fuses are burning within the blastholes before any blasthole detonates. 24, 1988]. (c) If the monitoring system indicates that methane in the mine is 0.5 percent or more, the mine shall be ventilated and persons shall not enter the mine until the monitoring system indicates that methane in the mine is less than 0.5 percent. (a) Inspected at regular intervals and maintained in safe, travelable condition; and. (a) Prior to chute-pulling, persons who could be affected by the draw or otherwise exposed to danger shall be warned and given time to clear the hazardous area. Detonating cord. Fixed ladders 70 degrees to 90 degrees from the horizontal and 30 feet or more in length shall have backguards, cages or equivalent protection, starting at a point not more than seven feet from the bottom of the ladders. The term promptly means before the end of the next shift during which a qualified mechanic is scheduled to work. If the PLHCP determines that the miner cannot wear a negative pressure respirator, the mine operator must make certain that the PLHCP evaluates the miner's ability to wear a powered air purifying respirator (PAPR). (8) The mine operator must maintain a record of the identity of the PLHCP and the most recent written determination of each miner's ability to wear a respirator for the duration of the miner's employment plus six months. The Administrator for Metal and Nonmetal Mine Safety and Health (Administrator) shall be responsible for category and subcategory placement, change in placement, and notification of placement of mines. (1) Maintained in good condition and shall comply with the requirements of subpart M of this part; (2) Equipped with sides and enclosures higher than the explosive material being transported or have the explosive material secured to a nonconductive pallet; (3) Equipped with a cargo space that shall contain the explosive material (passenger areas shall not be considered cargo space); (4) Equipped with at least two multipurpose dry-chemical fire extinguishers or one such extinguisher and an automatic fire suppression system; (5) Posted with warning signs that indicate the contents and are visible from each approach; (6) Occupied only by persons necessary for handling the explosive material; (7) Attended or the cargo compartment locked at surface areas of underground mines, except when parked at the blast site and loading is in progress; and, (ii) The wheels chocked if movement could occur; and. (a) Open flames, including cutting and welding, shall not be used underground. (b) All piping, valves, and fittings shall be. 57.22207 Booster fans (I-A, II-A, III, and V-A mines). 57.22301 Atmospheric monitoring systems (I-A, II-A, and V-A mines). [50 FR 4082, Jan. 29, 1985, as amended at 60 FR 35695, July 11, 1995; 71 FR 16667, Apr. No miner shall be exposed at any time to airborne concentrations of asbestos in excess of 1 fiber per cubic centimeter of air (f/cc) as averaged over a sampling period of 30 minutes. 57.19067 Trips during shift changes. Prior to secondary breakage operations, the material to be broken, other than hanging material, shall be positioned or blocked to prevent movement which would endanger persons in the work area. A person designated by the mine operator who has sufficient experience and training to perform the assigned task. 57.16002 Bins, hoppers, silos, tanks, and surge piles. 57.12005 Protection of power conductors from mobile equipment. (c) If any monitoring performed under this section indicates that a miner's exposure to diesel particulate matter exceeds the DPM limit specified in 57.5060, the operator must promptly post notice of the corrective action being taken on the mine bulletin board, initiate corrective action by the next work shift, and promptly complete such corrective action. For at least 200 feet inside the mine portal or collar timber used for ground support in intake openings and in exhaust openings that are designated as escapeways shall be, (a) Provided with a fire suppression system, other than fire extinguishers and water hoses, capable of controlling a fire in its early stages; or, (b) Covered with shotcrete, gunite, or other material with equivalent fire protection characteristics; or. (c) Coated with fire-retardant paint or other material to reduce its flame spread rating to 25 or less and maintained in that condition. Damaged, loosened, or dislodged timber use for ground support which creates a hazard to persons shall be repaired or replaced prior to any work or travel in the affected area. Fixed ladders, except on mobile equipment, shall be offset and have substantial railed landings at least every 30 feet unless backguards or equivalent protection such as safety belts and safety lines, are provided. 57.12030 Correction of dangerous conditions. A warning that is audible above the surrounding noise level shall be sounded, (b) When trains approach persons, crossing, other trains on adjacent tracks; and. (d) Fuse shall be cut and capped in dry locations. 57.4260 Underground self-propelled equipment. Inhalation of air containing a radon daughter concentration of 1 WL for 173 hours results in an exposure of 1 WLM.. These devices include electronic detonators, electric or nonelectric instantaneous or delay blasting caps, and delay connectors. Table 57.5075(a)Diesel Particulate Recordkeeping Requirements. (a) In all mines at least one sample shall be taken in exhaust mine air by a competent person to determine if concentrations of radon daughters are present. Main fan means a fan that controls the entire airflow of the mine, or the airflow of one of the major air circuits. (a) All development, production, and bench rounds shall be initiated from the surface after all persons are out of the mine. Certifications and records shall be retained for one year. Where radon daughter concentrations exceed 10 WL, respirator protection against radon gas shall be provided in addition to protection against radon daughters. Underground trailing cables shall be accepted or approved by MSHA as flame resistant. When explosive material is hauled by trolley locomotive, covered, electrically insulated cars shall be used. 57.8532 Opening and closing ventilation doors. Man cages and skips used for hoisting or lowering employees or other persons in any vertical shaft or any incline shaft with an angle of inclination of forty-five degrees from the horizontal, shall be covered with a metal bonnet. (d) Buckets equipped with positive locks to prevent accidental tripping or dumping. (a) Flammable liquids shall not be used for cleaning. Stopblocks, derail devices, or other devices that protect against moving or runaway rail equipment shall be installed wherever necessary to protect persons. [50 FR 4082, Jan. 29, 1985, as amended at 68 FR 32361, May 30, 2003; 69 FR 38842, June 29, 2004]. the hierarchy of the document. When carried on poles supporting powerlines, they shall be installed as specified by the National Electrical Code. An individual capable of providing first aid shall be available on all shifts. Insulation means a dielectric substance offering a high resistance to the passage of current and to a disruptive discharge through the substance. Certifications shall be retained for at least one year and made available to authorized representatives of the Secretary. Hoisting tools, timbers, and other materials. Working level (WL) means any combination of the short-lived radon daughters in one liter of air that will result in ultimate emission of 1.3 105 MeV (million electron volts) of potential alpha energy, and exposure to these radon daughters over a period of time is expressed in terms of working level months (WLM). For rope lengths 4,000 feet or greater: Minimum Value = Static Load 5.0. Main fan. ANSI N13.81973 may be examined at any Metal and Nonmetal Mine Safety and Health District Office of the Mine Safety and Health Administration, and may be obtained from the American National Standards Institute, Inc., at 25 W. 43rd Street, 4th Floor, New York, NY 10036; http://www.ansi.org. A unit, package, or cartridge of explosives which contains a detonator and is used to initiate other explosives or blasting agents. 57.4462 Storage of combustible liquids underground. When conveyances controlled by a hoist operator are not in use, they shall be released and the conveyances shall be raised or lowered a suitable distance to prevent persons from boarding or loading the conveyances. A bullet-resistant, theft-resistant, fire-resistant, weather-resistant, ventilated facility for the storage of explosives and detonators (BATF Type 1 or Type 2 facility). They shall be emptied frequently and shall be maintained in a clean and sanitary condition. If you work for a Federal agency, use this drafting Water gel. [53 FR 32528, Aug. 25, 1988; 53 FR 44588, Nov. 4, 1988, as amended at 60 FR 33722, June 29, 1995; 67 FR 38385, June 4, 2002; 68 FR 19347, Apr. If methane reaches 2.0 percent in the mine atmosphere, all persons other than competent persons necessary to make ventilation changes shall be withdrawn from the mine until methane is reduced to less than 0.5 percent. 57.7054 Starting or moving drill equipment. (a) Surface storage buildings or storage rooms in which flammable or combustible liquids, including grease, are stored and that are within 100 feet of any person's work station shall be ventilated with a sufficient volume of air to prevent the accumulation of flammable vapors. 57.19103 Dumping facilities and loading pockets. 3, 2006]. (1) Structurally sound, weather-resistant, equipped with a lid or cover, and with only nonsparking material on the inside; (2) Posted with the appropriate United States Department of Transportation placards or other appropriate warning signs that indicate the contents and are visible from each approach; (3) Located out of the blast area once loading has been completed; (4) Locked or attended when containing explosive material; and. 57.22241 Advance face boreholes (I-C mines). At 66 FR 5907, Jan. 19, 2001, 57.5066 was added, effective July 5, 2001, except for paragraph (b). 57.22221 Overcast and undercast construction (I-A, II-A, III, and V-A mines). Vents shall be installed so that forces are directed away from persons should an explosion occur. Other persons may reenter the mine after the main fans have been operational for at least 30 minutes, or after the mine atmosphere has been tested and contains less than 1.0 percent methane. Torches shall be attended at all times while lit. 57.22218 Seals and stoppings (III, V-A, and V-B mines). PDF Health Activity Certification or Hoisting Engineer Qualification 121Mobile Surface Mining Equipment. Braking systems on railroad cars and locomotives shall be maintained in functional condition. (b) Category or subcategory placement or change in placement shall include consideration of the following: (1) The history and geology of the mine or of the geological area in which the mine is located; (3) The character, amount, duration, origin, and nature of methane emission and the presence of explosive dust and inert gases; and. Expiration: 2/29/2024 Access to stationary electrical equipment or switchgear. First aid training shall be made available to all interested miners. 57.19065 Lowering conveyances by the brakes. Circuit breaker means a device designed to open and close a circuit by nonautomatic means and to open the circuit automatically on a predetermined overcurrent setting without injury to itself when properly applied within its rating. (3) Any group of containers used for storage of more than 60 gallons of combustible liquids. In the event of power failure, drill controls shall be placed in the neutral position until power is restored. (b) The operator or the representative of the miners shall have the right to request of the Administrator reassignment of the mine to a more appropriate category or subcategory if, based on operating experience, the conditions set forth in 57.22003(b) indicate that the hazards of methane exist under circumstances more appropriately governed by a different category or subcategory. This publication may be obtained from the American Conference of Governmental Industrial Hygienists by writing to 1330 Kemper Meadow Drive, Attn: Customer Service, Cincinnati, OH 45240, http://www.acgih.org, or may be examined in any Metal and Nonmetal Mine Safety and Health District Office of the Mine Safety and Health Administration. (b) Records of inspections shall be kept in accordance with requirements of the National Board Inspection Code, and the records shall be made available to the Secretary or his authorized representative. (1) Blasting units shall be approved by MSHA under 30 CFR part 25; or. Combustible liquids. The small quantities shall be stored in safety cans or in non-glass containers of a capacity equal to or less than a safety can. MSHA - Program Information Bulletin: P08-19: Re-Issue of P01-4 - Hoist After initial rope stretch but before visible wear occurs, the rope diameter of newly installed wire ropes shall be measured at least once in every third interval of active length and the measurements averaged to establish a baseline for subsequent measurements. Limit on exposure to diesel particulate matter. When automatic hoisting is used, a competent operator of the hoist shall be readily available at or near the hoisting device while any person is underground. Crosscuts before abandonment (III mines). 57.15007 Protective equipment or clothing for welding, cutting, or working with molten metal. Regulations | Mine Safety and Health Administration (MSHA) Blowout means a sudden, violent, release of gas or liquid due to the reservoir pressure in a petroleum mine. However, this standard does not apply where physical limitations would prevent the safe installation or use of such trolley and trolley feeder wire. (c) Where a person works on or around mobile equipment, self-rescue devices may be placed in a readily accessible location on such equipment. (d) The operator shall maintain the examination records for at least one year, make the records available for inspection by authorized representatives of the Secretary and the representatives of miners, and provide these representatives a copy on request. An R-series filter shall not be used for longer than one work shift. Dnipro State Medical University - Wikipedia Hoisting heavy equipment or material. (a) Be coursed directly to a return airway; (b) Be tested daily for methane by a competent person; and. (3) Where a mine has been classified in Categories I through V after the effective date of these standards and category reassignment is being considered, the mine shall comply with the standards applicable to the category to which presently assigned until category placement is final. 57.19091 Signaling instructions to hoist operator. Provision and maintenance of self-rescue devices. 57.5005 Control of exposure to airborne contaminants. Where grooved drums are used, the grooves shall be of suitable size and pitch for the ropes used. This standard does not apply to rail equipment. 1 CFR 1.1 Abandoned mine means all work has stopped on the mine premises and an office with a responsible person in charge is no longer maintained at the mine. Shaft means a vertical or inclined shaft, a slope, incline, or winze. Equipment defects affecting safety shall be corrected before the equipment is used. Mill includes any ore mill, sampling works, concentrator, and any crushing, grinding, or screening plant used at, and in connection with, an excavation or mine. (f) Within 30 days after service of an initial decision of an Administrative Law Judge, the Assistant Secretary for Mine Safety and Health may undertake a discretionary review of the initial decision, or the mine operator, or representative of the miners may appeal the initial decision of the Administrative Law Judge to the Assistant Secretary. (2) On the surfacecovered metal containers or equivalent containers with flame containment characteristics. (b) Storage tanks shall be vented or otherwise constructed to prevent development of pressure or vacuum as a result of filling, emptying, or atmospheric temperature changes. (3) A copy of the Administrator's determination. 57.17001 Illumination of surface working areas. Society of Automotive Engineers (SAE) minimum performance criteria for falling object protective structures (FOPS) SAE J231January, 1981. A manual master quick-close type air valve shall be installed on all pneumatic-powered equipment if there is a hazard of uncontrolled movement when the air supply is activated. 57.12003 Trailing cable overload protection. Unventilated areas shall be sealed, or barricaded and posted against entry. 57.8534 Shutdown or failure of auxiliary fans. Only jacketed electrical cables accepted or approved by MSHA as flame resistant shall be used to supply power to distribution boxes and electrical equipment operating in face and bench areas.

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msha hoisting regulations