msha hoisting regulations

(3) Aluminum alloy fan blades shall not contain more than 0.5 percent magnesium. 21, 2003; 80 FR 52988, Sept. 2, 2015]. (c) Employees shall be withdrawn from areas where there is present an airborne contaminant given a C designation by the Conference and the concentration exceeds the threshold limit value listed for that contaminant. All man hoists shall be provided with devices to prevent overtravel. Fuses shall not be removed or replaced by hand in an energized circuit, and they shall not otherwise be removed or replaced in an energized circuit unless equipment and techniques especially designed to prevent electrical shock are provided and used for such purpose. (1) Blasting units shall be approved by MSHA under 30 CFR part 25; or. If you would like to comment on the current content, please use the 'Content Feedback' button below for instructions on contacting the issuing agency. Persons shall not ride on loads being moved by cranes or derricks, nor shall they ride the hoisting hooks unless such method eliminates a greater hazard. Persons shall not perform maintenance work between machinery or equipment and ribs unless the area has been tested and, when necessary, secured. (3) The mine operator must provide a confidential medical evaluation by a physician or other licensed health care professional (PLHCP), at no cost to the miner, to determine the miner's ability to use a respirator before the miner is required to be fit tested or to use a respirator at the mine. (b) Upon initial release of gas into the mine atmosphere from boreholes. In underground mines utilizing a block-caving system or similar system, at least 6 feet (1.8 meters) of solid rib or pillar, including concrete reinforcement of at least 10 inches (254 millimeters), with overall dimensions of not less than 6 feet (1.8 meters) may be substituted for the 50-foot (15.2-meter) distance requirement. When controls do not reduce a miner's DPM exposure to the PEL, controls are infeasible, or controls do not produce significant reductions in DPM exposures, controls must be used to reduce the miner's exposure to as low a level as feasible and must be supplemented with respiratory protection in accordance with 57.5005(a), (b), and paragraphs (d)(1) through (d)(8) of this section. (a) Uniform fittings or readily available adapters for onsite firefighting equipment; (b) Readily available wrenches or keys to open the valves; and. The term detonator does not include detonating cord. The final decision shall be served upon the mine operator and representative of the miners. 57.19129 Examinations and tests at beginning of shift. This web site is designed for the current versions of Such records shall be made available for inspection by an authorized representative of the Secretary. 57.8532 Opening and closing ventilation doors. [69 FR 38840, June 29, 2004, as amended at 80 FR 52987, Sept. 2, 2015]. 57.22201 Mechanical ventilation (I-A, I-B, I-C, II-A, II-B, III, IV, V-A, and V-B mines). Detonator means any device containing a detonating charge that is used to initiate an explosive and includes but is not limited to blasting caps, electric blasting caps and non-electric instantaneous or delay blasting caps. Underground trailing cables shall be accepted or approved by MSHA as flame resistant. Damaged windows shall be replaced if absence of a window would expose the equipment operator to hazardous environmental conditions which would affect the ability of the equipment operator to safely operate the equipment. (a) Where heat could cause premature detonation, explosive material shall not be loaded into hot areas, such as kilns or sprung holes. Persons shall not ride the bail, rim, bonnet, or crosshead of any shaft conveyance except when necessary for inspection and maintenance, and then only when suitable protection for persons is provided. Closed, nonconductive containers shall be used to carry explosives and detonators to and from blast sites. Before starting crushers or moving self-propelled mobile equipment, equipment operators shall sound a warning that is audible above the surrounding noise level or use other effective means to warn all persons who could be exposed to a hazard from the equipment. Bonding metal pipelines to ground return circuits. (b) Tests for methane shall be made at auxiliary fans before they are started. 57.5005 Control of exposure to airborne contaminants. 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. 57.9318 Getting on or off moving equipment. Where such trolley wires and bare power conductors are less than 7 feet above the rail, they shall be guarded at all points where persons work or pass regularly beneath. 57.4604 Preparation of pipelines or containers. 57.19107 Precautions for work in compartment affected by hoisting operation. Sec. Vehicles shall not be used to examine the mine if the monitoring system is inoperable or has malfunctioned. Ramps and dumping facilities shall be designed and constructed of materials capable of supporting the loads to which they will be subjected. (1) All main fan-related electrical equipment and cables located within or exposed to the forward or reverse airstream shall be approved by MSHA under the appliable requirements of 30 CFR part 18; (2) Drive belts and nonmetallic fan blades shall be constructed of static-conducting material; and. Category I is divided into Subcategories I-A, I-B, and I-C as follows: (i) Subcategory I-A applies to mines that operate within a combustible ore body and liberate methane and in which, (A) A concentration of 0.25 percent or more methane has been detected in the mine atmosphere and confirmed by laboratory analysis; or, (ii) Subcategory I-B applies to mines that operate within a combustible ore body and have the potential to liberate methane based on the history of the mine or geological area in which the mine is located and in which, (A) A concentration of 0.25 percent or more methane has not been detected in the mine atmosphere; and. Explosives are substances classified as explosives by the Department of Transportation in 173.53, 173.88, and 173.100 of Title 49 of the Code of Federal Regulations (1986 Edition). Category V is divided into Subcategories V-A and V-B as follows: (i) Subcategory V-A applies to petroleum mines that operate entirely or partially within an oil reservoir; and all other petroleum mines in which, (ii) Subcategory V-B applies to petroleum mines that operate outside of and drill into an oil reservoir and in which. Persons entering the facility shall wear a safety belt or harness equipped with a lifeline suitably fastened. 22, Recommendations for the Safe Transportation of Detonators in a Vehicle with Other Explosive Materials (May 1993), and the Generic Loading Guide for the IME22 Container (October 1993). However, where persons may be endangered by hoists and appurtenances used solely for handling ore, rock, and materials, the appropriate standards should be applied. Ground support shall be used where ground conditions, or mining experience in similar ground conditions in the mine, indicate that it is necessary. 57.5037 Radon daughter exposure monitoring. The manufacturer or engineer shall certify that the ROPS meets the applicable performance requirements. 57.12030 Correction of dangerous conditions. Flow-control devices (V-A and V-B mines). The safe speed for hoisting persons shall be determined for each shaft, and this speed shall not be exceeded. Appendix I to Subpart T of Part 57Standard Applicability by Category or Subcategory, Cartridge-Operated Water and/or Antifreeze, Dry-Chemical, Stored Pressure, with Mild Steel Shells, Brazed Brass Shells, or Aluminum Shells, Dry-Chemical, Cartridge or Cylinder Operated, with Mild Steel Shells, Dry-Powder, Cartridge or Cylinder-Operated, with Mild Steel Shells, Welding or cutting with an electric arc or open flame. The individual shall be currently trained and have the skills to perform patient assessment and artificial respiration; control bleeding; and treat shock, wounds, burns, and musculoskeletal injuries. (1) Definitions. 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. Damaged or deteriorated explosive material shall be disposed of in a safe manner in accordance with the instructions of the manufacturer. Working place means any place in or about a mine where work is being performed. 57.22235 Actions at 1.0 percent methane (I-C, II-A, II-B, and IV mines). Preshift examination (I-A, I-C, II-A, III, and V-A mines). 57.14111 Slusher, backlash guards and securing. The containers shall be kept away from any heat source and the hoist operator's work station. [50 FR 4082, Jan. 29, 1985, as amended at 71 FR 16667, Apr. 57.14218 Movement of equipment on adjacent tracks. 57.19006 Automatic hoist braking devices. The purpose of these standards is the protection of life, the promotion of health and safety, and the prevention of accidents. Shaft sets shall be kept in good repair and clean of hazardous material. Organization and Purpose Stockpile and muckpile faces shall be trimmed to prevent hazards to persons. (2) Not be modified, in a manner that obscures visibility necessary for safe operation. 57.6905 Protection of explosive material. (a) Be securely attached to a crosshead when traveling in either direction between the lower and upper crosshead parking locations; (b) Have overhead protection when the shaft depth exceeds 50 feet; (c) Have sufficient depth or a suitably designed platform to transport persons safely in a standing position; and. If explosive material is suspected of burning at the blast site, persons shall be evacuated from the endangered area and shall not return for at least one hour after the burning or suspected burning has stopped. 61 FR 36801, July 12, 1996, unless otherwise noted. 57.19057 Hoist operator's physical fitness. 57.19108 Posting warning signs during shaft work. (c) When defects make continued operation hazardous to persons, the defective items including self-propelled mobile equipment shall be taken out of service and placed in a designated area posted for that purpose, or a tag or other effective method of marking the defective items shall be used to prohibit further use until the defects are corrected. The operator must provide the first copy of a requested record at no cost, and any additional copies at reasonable cost. Where it is impractical to install such protective devices, adequate warning signals shall be installed. (c) Atmospheric monitoring systems shall be checked with a known mixture of methane, and calibrated if necessary at least once every 30 days. Mine operators may file for additional special extensions provided each extension does not exceed a period of one year. (ii) 0.5 percent at the fan in Subcategory II-A mines. In such an event, and during other emergencies, the hoist operator shall accept instructions to direct movement of the conveyances only from authorized persons. This standard does not apply to diesel-powered equipment. (1) Whenever a fire or its effects could impede escape from self-propelled equipment, a fire extinguisher shall be on the equipment. 57.19078 Hoisting buckets from the shaft bottom. (a) Mine operators must monitor as often as necessary to effectively determine, under conditions that can be reasonably anticipated in the mine, whether the average personal full-shift airborne exposure to DPM exceeds the DPM limit specified in 57.5060. Stationary diesel equipment underground shall be, (a) Supported on a noncombustible base; and. [61 FR 36801, July 12, 1996, as amended at 67 FR 38385, June 4, 2002; 80 FR 52988, Sept. 2, 2015], (a) Main facilities used to store explosive material underground shall be located. And one of the key officials making sure it all runs smoothly is Dnipro Mayor Borys Filatov a tough-talking, chain-smoking, brawny man with a flair for the dramatic and hunger for adventure . (a) Toilet facilities shall be provided at locations that are compatible with the mine operations and that are readily accessible to mine personnel. During emergency braking, the deceleration shall not exceed 16 feet per second per second. 52 FR 24941, July 1, 1987, unless otherwise noted. To confine or prevent the spread of toxic gases from a fire originating in an underground shop where maintenance work is routinely done on mobile equipment, one of the following measures shall be taken: use of control doors or bulkheads, routing of the mine shop air directly to an exhaust system, reversal of mechanical ventilation, or use of an automatic fire suppression system in conjunction with an alternate escape route. 57.19066 Maximum riders in a conveyance. (b) Standards 57.19021 through 57.19028 shall apply to wire ropes in service used to hoist. Powder chest means a substantial, nonconductive portable container equipped with a lid and used at blasting sites for explosives other than blasting agents. Secondary blasting shall not be done when 0.5 percent or more methane is present. Equipment defects affecting safety shall be corrected before the equipment is used. (h) At least two persons shall be present when lighting safety fuse, and no one shall light more than 15 individual fuses. (1) If electrically powered, remote sensing devices are used, that portion of the instrument located in return air or other places where combustible gases may be present shall be approved by MSHA under the applicable requirements of 30 CFR parts 18, 22, 23, 27, and 29. 57.19066 Maximum riders in a conveyance. (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. 57.6131 Location of explosive material storage facilities. Transformer stations shall be enclosed to prevent persons from unintentionally or inadvertently contacting energized parts. Non-electric delay blasting cap means a detonator with an integral delay element and capable of being initiated by miniaturized detonating cord. (d) Sections of the ASME Boiler and Pressure Vessel Code, 1977, listed in paragraph (b)(1) of this section, and chapters and appendices of the National Board Inspection Code, 1979, listed in paragraph (b)(2) of this section, are incorporated by reference and made a part of this standard. (a) For drum end attachment, wire rope shall be attached. (6) Lead-in lines shall be manually unreeled if connected to the trunklines at the blast site. 57.14130 Roll-over protective structures (ROPS) and seat belts for surface equipment. Main fans (I-A, I-B, I-C, II-A, III, V-A, and V-B mines). 291Testing and Marking Hydrants. If methane reaches 1.0 percent in the mine atmosphere, all persons other than competent persons necessary to make ventilation changes shall be withdrawn from affected areas until methane is reduced to less than 0.5 percent. Authorized person means a person approved or assigned by mine management to perform a specific type of duty or duties or to be at a specific location or locations in the mine. (b) Use of halogenated fire extinguishing agents to meet the requirements of this standard shall be limited to Halon 1211 (CBrClF2) and Halon 1301 (CBrF3). (a) Exposed surfaces on the intake side of stoppings constructed of combustible materials, except brattice, shall be coated with at least one inch of construction plaster containing perlite and gypsum; at least one inch of expanded vermiculite, Portland cement and limestone; or other coatings with equivalent fire resistance. The entire record of the proceedings shall be transmitted to the Assistant Secretary for review. (5) Cover or bulkhead the opening immediately below and adjacent to the activity with noncombustible material to prevent sparks or hot metal from falling down the shaft, raise, or winze. Insulation and fittings for power wires and cables. A separate drafting site Crosscuts before abandonment (III mines). If methane reaches 2.0 percent in bleeder systems at the point where a bleeder split enters a main return split, mining shall not be permitted on ventilation splits affected by the bleeder system. Dust containing volatile matter (I-C mines). General RequirementsSurface and Underground. (d) Automatic fire suppression system and escape route. 57.9102 Movement of independently operating rail equipment. 57.19103 Dumping facilities and loading pockets. Transformer enclosures shall be kept locked against unauthorized entry. 3, 2006]. (g) When grouted fixtures can be tested by applying torque, the first fixture installed in each work place shall be tested to withstand 150 foot-pounds of torque. The official, published CFR, is updated annually and available below under The records shall be made available to the Secretary or his authorized representative. (1) Be held for each shift at some time other than a shift change and involve all persons underground; (2) Involve activation of the fire alarm system; and. The power cable or conductors shall be located so that an underground fire disrupting power in one cable or set of conductors will not affect the other; or. 57.22221 Overcast and undercast construction (I-A, II-A, III, and V-A mines). (b) The Secretary will collect samples of DPM by using a respirable dust sampler equipped with a submicrometer impactor and analyze the samples for the amount of elemental carbon using the method described in NIOSH Analytical Method 5040, except that the Secretary also may use any methods of collection and analysis subsequently determined by NIOSH to provide equal or improved accuracy for the measurement of DPM. Guarding trolley wires and bare powerlines. (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. (c) Black powder shall be transferred from containers only by pouring. Explosive. Warning devices for restricted clearances. (b) Primers shall be prepared with the detonator contained securely and completely within the explosive or contained securely and appropriately for its design in the tunnel or cap well. Electrical grounding means to connect with the ground to make the earth part of the circuit. In addition, areas containing explosive material at underground areas of a mine can be considered attended when all access to the underground areas of the mine is secured from unauthorized entry. (a) Wire rope shall be attached to the load by a method that develops at least 80 percent of the nominal strength of the rope. Landings with more than one shaft entrance. (2) Automatically deenergize electrical equipment, except power to monitoring equipment determined by MSHA to be intrinsically safe under 30 CFR part 18, and prevent starting such equipment when methane levels reach 1.5 percent. (2) Have been tested and shown to be effective in supporting ground in an area of the affected mine which has similar strata, opening dimensions, and ground stresses as the area where the fixtures are expected to be used. The safety cans and cabinets shall be kept away from any heat source, and each cabinet shall be labeled flammables.. For rope lengths 3,000 feet or greater: Minimum Value = Static Load 4.0. 57.12081 Bonding metal pipelines to ground return circuits. Mine Safety and Health Administration, Department of Labor, Metal and Nonmetal Mine Safety and Health, https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57, Safety and Health StandardsUnderground Metal and Nonmetal Mines. (c) Electrical switches and outlets shall be located on the outside of the magazine. Appendix I to Subpart C of Part 57National Consensus Standards, Subpart DAir Quality, Radiation, Physical Agents, and Diesel Particulate Matter. Buckets shall not be overloaded, and feed shall be regulated to prevent spillage.

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