Program Policy Manual - VOLUME V - Mine Safety and Health ...

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MSHA PROGRAM POLICY MANUAL VOLUME V addition of the stainless steel band requires that the Drager 810 self-rescuer be weighed to check its condition. Extensions of approvals have been granted for modification in the periodic testing procedures for the Mine Safety Appliances Company (MSA) 60-minute self-contained self-rescuers (SCSR) and the Draeger OXY-SR 60B SCSR. The MSA 60-minute SCSRs are not required to have an annual dry leak test of all stored units and a 90-day dry leak test for units that are worn or carried. Any unit removed from storage must be tested before the unit is returned to storage. The water immersion test may be used in lieu of the dry leak test. The periodic test for the Draeger OXY-SR 60B SCSRs now only requires a visual examination of the unit every 90 days. During recovery operations at a mine explosion and during an inspection of an adjacent mine, it was brought to the attention of MSHA that the release pins and bands on the self-contained selfrescuers (SCSRs) in use at these two mines had been taped. The purpose for taping was to prevent the release pins from opening accidentally. Several miners who were injured in the explosion were unable to open the cases of their SCSRs because their hands were burned. A miner who was not injured opened the cases for the injured miners. He stated that he had a very difficult time removing the tape to free the release pins and open the cases. MSHA inspectors should, during the course of their inspections, determine if the releases of SCSRs are fastened in a manner other than as designed by the manufacturer. In those instances where other means are used, appropriate action shall be taken to have the extra fasteners removed. 75.1718 Drinking Water Coal mine operators are required by this Section to supply drinking water in the active workings of mines and that the water "is carried, stored, and otherwise protected in sanitary containers." Coal operators have had difficulty in maintaining water containers in a sanitary manner, especially in keeping water containers clean. To alleviate this problem, sanitary, disposable, polyethylene water container liners are available. These liners are approved for use with foods by the Food and Drug Administration and have been used by the dairy industry to line milk cans. This type of sanitary liner is acceptable for use with water containers in coal mines. 75.1719-1 Illumination in Working Places February 2003 (Release V-33) 148
MSHA PROGRAM POLICY MANUAL VOLUME V Included in the category of self-propelled mining equipment are loading machines, cutting machines, shuttle cars, coal scoops, cleanup scoops, tractors, roof-bolting machines, face drills, longwall and shortwall installations, and supply vehicles, but rubber-tired trailers pulled by battery tractors are not included. Technical Support tests and evaluates lighting systems in a simulated working place prior to the installation of the lighting systems underground. Each lighting system submitted is tested and evaluated to determine whether the required amount of light is provided, if the system is designed and installed to minimize discomfort glare and if the system complies with the other applicable provisions of the illumination regulations. A Statement of Test and Evaluation (STE) is issued by Technical Support for accepted lighting systems. Each STE specifies the maximum height and width of the working place, the type and model of machine (for machine-mounted lighting systems), the location and orientation of light fixtures, the type of diffusers or louvers, and other conditions under which the lighting system must be installed and operated to provide compliance with the applicable provisions of the illumination regulations. Lighting system manufacturers are furnishing a 3-by-5-inch metal plate with each accepted machine-mounted lighting system. The metal plate contains pertinent information about the lighting system and should be attached to the machine near the permissi- bility plate. The 3-by-5-inch metal plate is not required by regulation; however, the plate must be present on the machine to consider the system as one for which an STE has been issued. The operator is not required to have an STE; therefore, a citation shall not be issued for failure to comply with an STE. If the STE is not being complied with, and in order to issue a cita-tion, the inspector must take measurements to determine if the failure to comply with the STE results in a reduction of light below the 0.06 footlamberts required by paragraph (d) of this Section. When an inspector observes self-propelled mining equipment being operated in a working place, a lighting system has been installed in accordance with an STE, and all of the provisions of the STE are being complied with as recorded on the metal plate, the lighting system shall be acceptable as being in compliance with paragraph (d) of this Section and the inspector shall not take light measurements. Experience with STEs has shown that flexibility in the application of STEs is needed. Due to differences in machine design, manufacturers' mechanical design changes, and mine operators' modifications of February 2003 (Release V-33) 149
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