A laminated partition also includes alternative construction materials described in the Institute of Makers of Explosives (IME) Safety Library Publication No. Safety can. View the most recent official publication: These links go to the official, published CFR, which is updated annually. Personnel Hoisting: 56.19000 - 56.19135 56.19000: Application. 57.11026 Protection for inclined fixed ladders. (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. Box 2900, Fairfield, New Jersey 07007, Phone: 8008432763 (toll free); http://www.asme.org, and the National Board of Boiler and Pressure Vessel Inspectors, 1055 Crupper Avenue, Columbus, Ohio 43229. (5) Details of area monitoring and alarm systems for hazardous gases and actions to be taken to assure safety of personnel. (e) Potable water outlets shall be posted. The procedure for inspection, testing and maintenance required by standard 57.19120 shall be utilized at least every 30 days for hoists designated as emergency hoists in any evacuation plan. 811. Blasting agent. Doors on main fans (I-A, II-A, III, and V-A mines). At no time shall compressed air be directed toward a person. NFPA No. (a) All development, production, and bench rounds shall be initiated from the surface after all persons are out of the mine. ( 2) Platform occupants must: ( i) Keep all parts of the body inside the platform during raising, lowering, and horizontal movement. Approved means tested and accepted for a specific purpose by a nationally recognized agency. If used as an alternative, reversal of mechanical ventilation shall. Mobile equipment shall not run over power conductors, nor shall loads be dragged over power conductors, unless the conductors are properly bridged or protected. Openings above, below, or near travelways through which persons or materials may fall shall be protected by railings, barriers, or covers. Igniter cord means a fuse, cordlike in appearance, which burns progressively along its length with an external flame at the zone of burning, and is used for lighting a series of safety fuses in the desired sequence. 30 C.F.R. The drilling area shall be inspected for hazards before starting the drilling operations. Booster means any unit of explosive or blasting agent used for the purpose of perpetuating or intensifying an initial detonation. Drop trailers do not have to be ventilated if they are currently licensed by the Federal, State, or local authorities for over-the-road use. Comments or questions about document content can not be answered by OFR staff. (b) Marked with conspicuous and easily read direction signs that clearly indicate the ways of escape. Seat belts shall be maintained in functional condition, and replaced when necessary to assure proper performance. (b) On an annual basis, all persons who go underground shall be instructed in the Mine Safety and Health Administration course contained in Bureau of Mines Instruction Guide 2, MSA W65 Self-Rescuer (March 1972) or Bureau of Mines Instruction Guide 3, Permissible Drager 810 Respirator for Self-Rescue (March 1972). Emulsion means an explosive material containing substantial amounts of oxidizers dissolved in water droplets, surrounded by an immiscible fuel. (h) On conveyors unless the conveyors are designed to provide for their safe transportation. (b) Waste oil, including crankcase oil, shall not be used to prepare ammonium nitrate-fuel oil. (c) The affected area shall be inspected during the first hour after the operation is completed. (a) On the surface, no more than one day's supply of combustible materials shall be stored within 100 feet of mine openings or within 100 feet of fan installations used for underground ventilation. If you have questions for the Agency that issued the current document please contact the agency directly. (a) Persons shall not smoke or carry smoking materials, matches, or lighters underground or within 50 feet of a mine opening. All headframes shall be constructed with suitable design considerations to allow for all dead loads, live loads, and wind loads. (c) Black powder shall be transferred from containers only by pouring. [53 FR 32526, Aug. 25, 1988, as amended at 60 FR 35695, July 11, 1995; 71 FR 16667, Apr. Water gel. When explosives are transported, they shall be secured so as not to contact any sparking material. 57.16015 Work or travel on overhead crane bridges. Trolley and trolley feeder wire shall be installed opposite the clearance side of haulageways. Mobile equipment used for haulage of mined material shall be loaded to minimize spillage where a hazard to persons could be created. 56/57.13021 High Pressure Hose Connections This standard requires the use of safety chains or other suitable locking devices at certain high-pressure hose-to-hose or hose-to- machine connections. (5) Fire suppression systems shall be inspected at least once every twelve months. 57.6605 Isolation of blasting circuits. 57.11005 Fixed ladder anchorage and toe clearance. Guarding electrical connections and resistor grids. Blasting circuit means the electrical circuit used to fire one or more electric blasting caps. (1) This paragraph does not apply to car droppers if they are secured with safety belts and lines which prevent them from falling off the work platform. The operator must provide a copy of the results to the authorized representative of miners. Air in all active workings shall contain at least 19.5 volume percent oxygen. Highway means any public street, public alley or public road. Class IIIB liquidsthose having flash points at or above 200 F (93.4 C). Travelway. Flammable or combustible liquid spillage or leakage shall be removed in a timely manner or controlled to prevent a fire hazard. 57.16006 Protection of gas cylinder valves. 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. Permanent facilities are those intended to exist for one year or more; and. (4) Whenever an operator ceases to do business, that operator must transfer all records required to be maintained by this part, or a copy thereof, to any successor operator who must maintain them for the required period. A systematic procedure of inspection, testing and maintenance of shaft and hoisting equipment shall be developed and followed. Persons shall not work or pass under the buckets or booms of loaders in operation. (b) Except for terminations where use of other materials is a design feature, zinc (spelter) shall be used for socketing wire ropes. 57.22241 Advance face boreholes (I-C mines). MSHA - Program Policy Manual - Volume IV 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. (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. 3, 2006]. will bring you directly to the content. (f) When rock bolts tensioned by torquing are used as a means of ground support, (i) At least 50 percent of either the yield point of the bolt or anchorage capacity of the rock, whichever is less; and. If gasoline is used underground to power internal combustion engines. Separation shall be sufficient to prevent the occurrence or minimize the spread of fire. Repairs or maintenance on machinery or equipment shall be performed only after the power is off, and the machinery or equipment blocked against hazardous motion. 57.9314 Trimming stockpile and muckpile faces. Hoistmen shall be informed when persons are working in a compartment affected by that hoisting operation and a Men Working in Shaft sign shall be posted at the hoist. The containers shall be kept away from any heat source and the hoist operator's work station. When a potentially dangerous condition is found it shall be corrected before equipment or wiring is energized. Provision and maintenance of self-rescue devices. 57.12010 Isolation or insulation of communication conductors. (1) Blasting units shall be approved by MSHA under 30 CFR part 25; or. Travelways steeper than 35 degrees from the horizontal shall be provided with ladders or stairways. here. 57.14213 Ventilation and shielding for welding. 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. (b) When the entire length of the conveyor is not visible from the starting switch, a system which provides visible or audible warning shall be installed and operated to warn persons that the conveyor will be started. Berms, bumper blocks, safety hooks, or similar impeding devices shall be provided at dumping locations where there is a hazard of overtravel or overturning. (b) Only work necessary to remove a misfire and protect the safety of miners engaged in the removal shall be permitted in the affected area until the misfire is disposed of in a safe manner. However, where accepted engineering control measures have not been developed or when necessary by the nature of work involved (for example, while establishing controls or occasional entry into hazardous atmospheres to perform maintenance or investigation), employees may work for reasonable periods of time in concentrations of airborne contaminants exceeding permissible levels if they are protected by appropriate respiratory protective equipment. Preshift examination (I-A, I-C, II-A, III, and V-A mines). Where necessary, toeboards shall be provided. (e) Between cars of trains, on the leading end of trains, on the leading end of a single railcar, or in other locations on trains that expose persons to hazards from train movement. [66 FR 5907, Jan. 19, 2001; 66 FR 35520, July 5, 2001]. (b) At the completion of each inspection or test required by this standard, the person making the inspection or test shall certify that the inspection or test has been made and the date on which it was made. Magazine means a facility for the storage of explosives, blasting agents, or detonators. 57.22237 Actions at 2.0 to 2.5 percent methane in bleeder systems (I-A and III mines). 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. (3) Measurement of airborne asbestos fiber concentration. (2) Category II applies to domal salt mines where the history of the mine or geological area indicates the occurrence of or the potential for an outburst. Table M2The Speed of a Vehicle Can Be Determined by Clocking It Through a 100-Foot Measured Course at Constant Velocity Using Table M2. (2) Separated from explosives or blasting agents by 4 inches of hardwood or equivalent, or a laminated partition. Such locks or preventive devices shall be removed only by the persons who installed them or by authorized personnel.
Morning Star Bamboo Flooring Antique Hazel, 4th Ave Jail Court Schedule, Which Member Of The Dream Smp Are You Quiz, Zan Turkish Series Doble Farsi 77, Memphis Homicides 2021, Articles M