msha hoisting regulations

Laminated partition means a partition composed of the following material and minimum nominal dimensions: 12-inch-thick plywood, 12-inch-thick gypsum wallboard, 18-inch-thick low carbon steel, and 14-inch-thick plywood, bonded together in that order (IME22 Box). (2) Acetylene and liquefied petroleum gases stored in containers designed for that specific purpose. Initiation systems shall be used in accordance with the manufacturer's instructions. Eye protection when operating grinding wheels. At least 50 feet from: timbered areas, exposed combustible rock, and any other combustible material, Control door that meets the requirements for a ventilation door in conformance with, Within 50 feet but no closer than 20 feet of: timbered areas, exposed combustible rock, or other combustible material. (b) Under this standard, the following may be present in the hoist house in quantities necessary for the day-to-day maintenance of the hoist machinery: (1) Flammable liquids in safety cans or in other containers placed in tightly closed cabinets. (a) Visible warning devices shall be used when parked mobile equipment creates a hazard to persons in other mobile equipment. Electrical conductors shall be of a sufficient size and current-carrying capacity to ensure that a rise in temperature resulting from normal operations will not damage the insulating materials. (3) Located out of direct line with the forward and reverse airstream provided by the fan. The IME is located at 1120 19th Street NW., Suite 310, Washington, DC 200363605; 2024299280; https://www.ime.org. The manufacturer's container may be used if secured to a nonconductive pallet. Company official means a member of the company supervisory or technical staff. (2) The term introduced does not include engines that were previously part of the mine inventory and rebuilt. 57.19055 Availability of hoist operator for manual hoists. Under conditions of limited visibility these loads shall have a warning light at the end of the projection. Principal power switches shall be labeled to show which units they control, unless identification can be made readily by location. Grizzlies and other stationary sizing devices shall be securely anchored. (c) This standard does not apply to air tuggers of 10 horsepower or less that have only one cable and one drum. 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. When equipment must be moved or operated near energized high-voltage powerlines (other than trolley lines) and the clearance is less than 10 feet, the lines shall be deenergized or other precautionary measures shall be taken. Copies may be purchased from the Society of Automotive Engineers, 400 Commonwealth Drive, Warrendale, PA 150960001; 7247764841; http://www.sae.org. A record of any part that is not functioning properly shall be made and dated. Exposure limits for airborne contaminants. 57.22310 Electrical cables (I-C mines). (3) Diesel equipment shall be shut off or immediately removed from the area. Trolley wires shall be installed at least seven feet above rails where height permits, and aligned and supported to suitably control sway and sag. The purpose of these standards is the protection of life, the promotion of health and safety, and the prevention of accidents. If used as an alternative, reversal of mechanical ventilation shall. (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. Other movable parts, such as booms, shall be mechanically secured or positioned to prevent movement which would create a hazard to persons. (2) Hooks with self-closing latches or their equivalent must be used. Machinery, equipment, and tools shall not be used beyond the design capacity intended by the manufacturer, where such use may create a hazard to persons. Only competent persons necessary to test for methane may enter the mine until the methane in the mine is less than 0.5 percent. Face shields or goggles in good condition shall be worn when operating a grinding wheel. This document is available at any MSHA Metal and Nonmetal Safety and Health district office. 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. (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. 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. 57.22303 Approved equipment (I-C mines). 57.19013 Diesel- and other fuel-injection-powered hoists. Platforms with toeboards and handrails shall be provided around elevated head sheaves. More than 50 pounds of non-fire-retardant wood. Main fans (I-A, I-B, I-C, II-A, III, V-A, and V-B mines). If a device stops working properly during such operations, the operator must safely stop operations. (e) Except in Subcategory I-C or Category III mines, vehicles used for transportation when examining the mine shall be approved by MSHA under the applicable requirements of 30 CFR parts 18 through 36. (d) When an internal combustion engine is used to power a main fan or as standby power, the engine shall be. Safety Devices and Maintenance Requirements. A second person, similarly equipped, shall be stationed near where the lifeline is fastened and shall constantly adjust it or keep it tight as needed, with minimum slack. 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. will bring you directly to the content. (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. 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. 811. Design feature means either the manufacturer's original design or a design approved by a registered professional engineer. 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. Switches and starting boxes shall be of safe design and capacity. Personnel hoisting operations must not begin unless the devices listed in this section are in proper working order. (d) Provided with compressed air lines, waterlines, suitable handtools, and stopping materials. (a) Methane monitoring devices and portable, battery-powered, self-contained devices used for measuring methane, other gases, and contaminants in mine air shall be approved by MSHA under the applicable requirements of 30 CFR parts 18, 21, 22, 23, 27, and 29. (a) Dippers, buckets, loading booms, or suspended loads shall not be swung over the operators' stations of self-propelled mobile equipment until the equipment operator is out of the operator's station and in a safe location. (4) Opened only when the powder is being transferred to a blasthole or another container and only in locations not listed in paragraph (b)(3) of this section. Main fans shall be maintained according to either the manufacturer's recommendations or a written periodic schedule adopted by the operator which shall be available at the operation on request of the Secretary or his authorized representative. Access to unattended mine openings shall be restricted by gates or doors, or the openings shall be fenced and posted. Persons shall not enter or leave conveyances which are in motion or after a signal to move the conveyance has been given to the hoistman. Wooden components of ladders shall not be painted except with a transparent finish. Small quantities of flammable liquids drawn from storage shall be kept in safety cans labeled to indicate the contents. Switch throws shall be installed to provide clearance to protect switchmen from contact with moving trains. Safe means of access shall be provided and maintained to all working places. Carbide lights, liquefied petroleum gas torches, and cigarette lighters shall not be used to light safety fuse. If used as an alternative, control doors shall be. [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. Stopping distance values include a one-second operator response time. Fire resistance rating means the time, in minutes or hours, that an assembly of materials will retain its protective characteristics or structural integrity upon exposure to fire. (1) Acceptable levels of combustible gases and oxygen in retort off-gases during start-up and during burning; levels at which corrective action will be initiated; levels at which personnel will be removed from the retort areas, from the mine, and from endangered surface areas; and the conditions for reentering the mine; (2) Specification and locations of off-gas monitoring procedures and equipment; (3) Specifications for construction of retort bulkheads and seals, and their locations; (4) Procedures for ignition of a retort and for reignition following a shutdown; and. Power circuits shall be deenergized before work is done on such circuits unless hot-line tools are used. (1) Installed in a noncombustible housing; (2) Protected from a possible fuel supply fire or explosion; and. (2) Separated from explosives or blasting agents by 4 inches of hardwood or equivalent, or a laminated partition. Safety belts and lines shall be worn when persons work where there is danger of falling; a second person shall tend the lifeline when bins, tanks, or other dangerous areas are entered. Insulating covering is one means for making the conductor insulated. The following definitions apply in this subpart: Competent person. Flammable and Combustible Liquids and Gases. 57.14202 Manual cleaning of conveyor pulleys. 57.20031 Blasting underground in hazardous areas. (b) The common drinking cup and containers from which drinking water must be dipped or poured are prohibited. Emergency telephone numbers shall be posted at appropriate telephones. Subpart P: Illumination: 57.17001 - 57.17010 57.17001: Illumination of surface working areas. 30 CFR Subpart R - Personnel Hoisting | Electronic Code of Federal When persons are on the shaft bottom, a chain ladder, wire rope ladder, or other extension ladders shall be used from the fixed ladder or lower limit of the escape hoist to the shaft bottom. 1962Care, Use, and Maintenance of Fire Hose, Connections, and Nozzles. 24, 1988, 57.22601 was stayed until further notice. These mines are also required to be operated in accordance with the other applicable health and safety standards published in 30 CFR part 57. No person shall enter the facility until the supply and discharge of materials have ceased and the supply and discharge equipment is locked out. 3, 2006]. (b) This section does not apply when the equipment is specifically designed to protect the equipment operator from falling objects. (c) Readily visible signs prohibiting smoking or open flames shall be posted at battery-charging stations during battery charging. (d) ROPS installation. Persons shall not pass under or step over a moving stem or auger. (d) A means to lock out the disconnect switch. Ladders shall be of substantial construction and maintained in good condition. (b) After installation and before use, and at the beginning of any seven day period during which the conveyance is to be used, the conveyance shall be suitably rested and the hoist rope slackened to test for the unrestricted functioning of the safety catches and their activating mechanisms. Walkways with outboard railings shall be provided wherever persons are required to walk alongside elevated conveyor belts.

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msha hoisting regulations

msha hoisting regulations