57.9318 Getting on or off moving equipment. (b) Packaged blasting agents shall be stored in a magazine or other facility which is ventilated to prevent dampness and excessive heating, weather-resistant, and locked or attended. Combustible material means a material that, in the form in which it is used and under the conditions anticipated, will ignite, burn, support combustion or release flammable vapors when subjected to fire or heat. For information on the availability of this material at NARA, call 2027416030, or go to: http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html. 57.16015 Work or travel on overhead crane bridges. Self propelled equipment, which is to be used during a shift, must be inspected by the equipment operator before being placed in Doors shall be kept operable. formatting. (a) Compressed-air receivers and other unfired pressure vessels shall be inspected by inspectors holding a valid National Board Commission and in accordance with the applicable chapters of the National Board Inspection Code, a Manual for Boiler and Pressure Vessel Inspectors, 1979. (a) When moving mobile equipment between workplaces, booms, forks, buckets, beds, and similar movable parts of the equipment shall be positioned in the travel mode and, if required for safe travel, mechanically secured. 57.6309 Fuel oil requirements for ANFO. If methane reaches 0.25 percent in the mine atmosphere, changes shall be made to improve ventilation, and MSHA shall be notified immediately. (2) Tests for methane shall be made with hand-held methanometers, methane monitors, atmospheric monitoring systems, devices used to provide laboratory analysis of samples, or with other equally effective sampling devices. (a) Only persons trained and experienced in the handling and use of explosive material shall direct blasting operations and related activities. (b) Trainees and inexperienced persons shall work only in the immediate presence of persons trained and experienced in the handling and use of explosive material. (3) All access routes to the blast area shall be guarded or barricaded to prevent the passage of persons or vehicles. 57.19017 Emergency braking for electric hoists. Flame spread rating means the numerical designation that indicates the extent flame will spread over the surface of a material during a specified period of time. (2) SAE J1194, Roll-Over Protective Structures (ROPS) for Wheeled Agricultural Tractors, 1983. 57.22214 Changes in ventilation (I-A, II-A, III, and V-A mines). 121Mobile Surface Mining Equipment. (a) Except as provided in paragraph (b), the exposure to airborne contaminants shall not exceed, on the basis of a time weighted average, the threshold limit values adopted by the American Conference of Governmental Industrial Hygienists, as set forth and explained in the 1973 edition of the Conference's publication, entitled TLV's Threshold Limit Values for Chemical Substances in Workroom Air Adopted by ACGIH for 1973, pages 1 through 54, which are hereby incorporated by reference and made a part hereof. (d) Provided with compressed air lines, waterlines, suitable handtools, and stopping materials. (e) Vehicles used for transportation when examining the mine shall be approved by MSHA under the applicable requirements of 30 CFR parts 18 through 36. 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. Any sample taken by Federal or State mine inspectors, which represents exposure to miners and reported to the operator within three days of being taken, shall be included in the average concentration; except that if the mine operator samples simultaneously with the inspector, he may use his own sample results. Equipment defects affecting safety shall be corrected before the equipment is used. 29, 2002. (d) Remaining idle for one shift or longer. (a) Liquid hydrocarbon fuels with flash points lower than that of No. The average air velocity in the last open crosscut in pairs or sets of developing entries, or through other ventilation openings nearest the face, shall be at least 40 feet per minute. (2) Noncombustible or the exterior covered with fire-resistant material; (4) Made of nonsparking material on the inside; (5) Ventilated to control dampness and excessive heating within the magazine; (6) 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, so located that a bullet passing through any of the signs will not strike the magazine; (8) Unlighted or lighted by devices that are specifically designed for use in magazines and which do not create a fire or explosion hazard; (9) Unheated or heated only with devices that do not create a fire or explosion hazard; (11) Used exclusively for the storage of explosive material except for essential nonsparking equipment used for the operation of the magazine. Signaling instructions to hoist operator. No person shall be permitted to receive an exposure in excess of 4 WLM in any calendar year. A fan that controls the entire airflow of an underground mine or the airflow of one of the major air circuits of the mine. A person designated by the mine operator who has sufficient experience and training to perform the assigned task. result, it may not include the most recent changes applied to the CFR. 57.22004 Category placement or change in placement. (a) Auxiliary facilities used to store explosive material near work places shall be wooden, box-type containers equipped with covers or doors, or facilities constructed or mined-out to provide equivalent impact resistance and confinement. (b) Detonators in quantities of 1,000 or fewer may be transported with explosives or blasting agents provided the detonators are. This content is from the eCFR and may include recent changes applied to the CFR. (1) Effective May 20, 2006, a miner's personal exposure to diesel particulate matter (DPM) in an underground mine must not exceed an average eight-hour equivalent full shift airborne concentration of 308 micrograms of elemental carbon per cubic meter of air (308EC g/m3). (C) A second fan capable of accomplishing ventilation reversal shall be available for use in the event of failure of the main fan; (iii) Provide rapid air reversal that allows persons underground time to exit in fresh air by the second escapeway or find a place of refuge; and. [53 FR 32526, Aug. 25, 1988, as amended at 55 FR 37218, Sept. 7, 1990]. Separation shall be sufficient to prevent the occurrence or minimize the spread of fire. 57.12007 Junction box connection procedures. (c) Black powder shall be transferred from containers only by pouring. You are using an unsupported browser. 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. (a) All underground mines, and the surface mills of Subcategory I-C mines (gilsonite), shall be placed into one of the following categories or subcategories to protect persons against the hazards of methane and dusts containing volatile matter. 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. This switch shall be located within reach of the hoistman in case the manual controls of the hoist fail. Duration of miner's employment plus 6 months. 57.6302 Separation of explosive material. user convenience only and is not intended to alter agency intent 57.16010 Dropping materials from overhead. 57.11036 Ladderway trap doors and guards. (2) With an open flame in an area where no electrical hazard exists, a multipurpose dry-chemical fire extinguisher or equivalent fire extinguishing equipment for the class of fire hazard present shall be at the worksite. (3) Equipped with an early warning fire detection device that will alert any person who could be endangered by a fire, provided that no person's work station is in the building. If used as an alternative, reversal of mechanical ventilation shall. 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. Power wires and cables shall be insulated adequately where they pass into or out of electrical compartments. Materials that can create hazards if accidentally liberated from their containers shall be stored in a manner that minimizes the dangers. Such locks or preventive devices shall be removed only by the persons who installed them or by authorized personnel. (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. (a) The Administrator's proposed notice of placement or change in placement shall be sent to the mine operator and the appropriate representative of miners and shall include. 57.3201 Location for performing scaling. 57.12010 Isolation or insulation of communication conductors. Escapeway means a passageway by which persons may leave a mine. (a) Detonators and explosives shall be stored in magazines. Search & Navigation Auxilary fan means a fan used to deliver air to a working place off the main airstream; generally used with ventilation tubing. The following definitions apply in this subpart. (a) Provided with a pressure-recording system; and. Diesel equipment shall be shut off or immediately removed from the area and no other work shall be permitted in affected areas. Such measurement shall be done at the following locations: (5) In the last open crosscuts or other ventilation openings nearest the active faces where the air enters the return. 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). Moving conveyors shall be crossed only at designated crossover points. (3) Effective May 20, 2008, a miner's personal exposure to diesel particulate matter (DPM) in an underground mine must not exceed an average eight-hour equivalent full shift airborne concentration of 160 micrograms of total carbon per cubic meter of air (160TC g/m3). (1) The term introduced means any engine added to the underground inventory of engines of the mine in question, including: (i) An engine in newly purchased equipment; (ii) An engine in used equipment brought into the mine; and, (iii) A replacement engine that has a different serial number than the engine it is replacing; but. If any condition listed in paragraph (a) of this section is present, the person conducting the examination shall make a record of the condition and the date. Mine operators must give prior notice to affected miners and their representatives of the date and time of intended monitoring. 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. Seals shall be provided with a means for checking the quality of air behind the seal and a means to prevent a water head from developing unless the seal is designed to impound water. 57.4363 Underground evacuation instruction. (1) The form entitled Record of Individual Exposure to Radon Daughters (Form 40009), shall consist of an original of each form for the operator's records which shall be available for examination by the Secretary or his authorized representative. In such cases, the inspector will rely upon other available evidence to determine whether the service brake system meets the performance requirements of this standard. 57.22221 Overcast and undercast construction (I-A, II-A, III, and V-A mines). 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. The IME is located at 1120 19th Street NW., Suite 310, Washington, DC 200363605; 2024299280; https://www.ime.org. Support of power cables in shafts and boreholes. 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. If the deficiency is determined to constitute a hazard, the hoisting equipment shall be removed from service until the deficiency has been corrected. (1) Constructed of noncombustible materials; or. (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. Copies are available at MSHA's Office of Standards, Regulations, and Variances, 201 12th Street South, Arlington, VA 22202-5452; 202-693-9440; and at all Metal and Nonmetal Mine Safety and Health District Offices, or available for inspection at the National . (2) Equipped with a device that automatically deenergizes power in affected workings should the fan stop; and. Crosscuts before abandonment (III mines). Examinations and tests at beginning of shift. Availability of hoist operator for manual hoists. Damaged or deteriorated wire rope shall be removed by cutoff and the rope reterminated where there is. Outburst means the sudden, violent release of solids and high-pressure occluded gases, including methane in a domal salt mine. Blasting agent. Ground support shall be used where ground conditions, or mining experience in similar ground conditions in the mine, indicate that it is necessary. (a) Visible warning devices shall be used when parked mobile equipment creates a hazard to persons in other mobile equipment. Hoist operators shall accept hoisting instructions only by the regular signaling system unless it is out of order. (2) Isolate any combustible material with noncombustible material. Underground haulageways and travelways and surface area highwalls and banks adjoining travelways shall be examined weekly or more often if changing ground conditions warrant. This requirement does not apply to battery-operated equipment. The mine operator shall comply with all provisions of the retort plan. Subpart P: Illumination: 57.17001 - 57.17010 57.17001: Illumination of surface working areas. 57.4100 Smoking and use of open flames. Internal combustion engines shall be switched off before refueling if the fuel tanks are integral parts of the equipment. Filters or separators shall be installed on air-lift fan systems to prevent explosive concentrations of dust from passing through the fan. Surplus trailing cables to shovels, cranes and similar equipment shall be, (b) Stored on reels mounted on the equipment; or. Life jackets or belts shall be worn where there is danger from falling into water. 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. (iii) Inspected at weekly intervals and properly maintained. The notification shall include the mine name, location, the company name, mailing address, person in charge, and whether operations will be continuous or intermittent. (b) In addition to separate escapeways, a method of refuge shall be provided for every employee who cannot reach the surface from his working place through at least two separate escapeways within a time limit of one hour when using the normal exit method. Safety Standards for Methane in Metal and Nonmetal Mines. Detonators may be either Class A detonators or Class C detonators, as classified by the Department of Transportation in 49 CFR 173.53 and 173.100, which is available at any MSHA Metal and Nonmetal Safety and Health district office. (e) Damaged or deteriorated cartridges of grouting material shall not be used. Explosive material shall not be transported on a locomotive. Lamp sockets shall be of a weatherproof type where they are exposed to weather or wet conditions that may interfere with illumination or create a shock hazard. Ground conditions that create a hazard to persons shall be taken down or supported before other work or travel is permitted in the affected area. 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). Liquids having a flash point at or above 100 F (37.8 C). (a) For drum end attachment, wire rope shall be attached. will also bring you to search results. Valves on compressed gas cylinders shall be protected by covers when being transported or stored, and by a safe location when the cylinders are in use. 57.19068 Orderly conduct in conveyances. In addition, the self-contained breathing system shall be capable of a quick connect with the approved 2-hour self-contained breathing apparatus above.
Pelham Bay Towers Apartments For Rent,
Massachusetts Occupational Therapy Practice Act,
Bumpboxx Ultra Not Charging,
Home To Home Pet Adoption Washington State,
Articles M