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

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MSHA PROGRAM POLICY MANUAL VOLUME V When such order has been issued, it should not be terminated because the mine operator has removed the equipment from service at the area where the imminent danger was found. The order should remain in effect to prevent the mine operator from putting that equipment (or similar equipment) back in operation under the same conditions after the inspector leaves the mine. When an inspector finds a ROPS that is damaged or otherwise altered from its original configuration so that it no longer complies with these standards, a citation or order, as appropriate, should be issued for violation of paragraph (a) describing the condition observed. Alterations and repairs to ROPS shall also be carefully examined for insufficient or defective welds. A ROPS with an insufficient or defective weld does not meet the requirements of paragraph (a), and a citation or order, as appropriate, should be issued. This condition also indicates that the weld may not have been performed by a certified welder, as required by paragraph (f). To determine whether a violation of paragraph (f) has occurred, the inspector should ask the operator to furnish evidence that the weld was performed by a certified welder. 77.404 Machinery and Equipment; Operation and Maintenance Paragraph (a) of this Section does not affect enforcement of other mandatory safety standards and should be used only where such condition is not covered by any other regulation. Lack of frame grounding, improper protection, etc., are to be cited under the appropriate section in accordance with Section 104(a) of the Act, allowing reasonable time for compliance. The presence of defects, such as worn tires, defective steering or brakes, malfunctioning hydraulic controls, worn lagging on belt conveyor drive rollers, or frozen or damaged idler rollers, could indicate that such machinery and equipment are not maintained in safe operating condition. Therefore, a violation of this Section would exist if such defects render the equipment unsafe to operate. When an inspector finds a violation as described above, he/she shall issue a citation requiring the condition to be corrected in a reasonable time. This Section also requires that unsafe equipment be removed from service immediately. The operator should be advised of the requirement. If the operator removes such unsafe equipment from service immediately, this should be noted on the citation. If the operator does not remove such equipment from service immediately, another citation for such failure should be issued, giving the operator reasonable time to comply. February 2003 (Release V-33) 171
MSHA PROGRAM POLICY MANUAL VOLUME V During the inspection of shop areas, battery-charging stations, and other places where hoisting equipment is used, such equipment should be closely examined to assure that the equipment is in safe operating condition. These installations should be closely examined to make certain that: 1. The hoist is securely fastened to the dolly or other support. 2. The dolly rides the I-beam without excessive side play. 3. The hoist has proper operating controls that allow the hoist to be operated from a safe position. 4. The dolly or hoist does not contain bent or defective parts or defective ropes or chains. 5. The hoist is being operated within its rated capacity. 6. Hoists attached to I-beams are being used for vertical lifting only. 7. The structure the hoist is attached to is provided with adequate stops or devices to prevent it from traveling beyond the end of the supporting structure. The failure of safety devices such as horns, headlights, taillights, brake lights, or mirrors on mobile surface equipment can contribute to serious accidents involving these vehicles. Mine operators should be aware that horns, lighting systems, and other safety features can be rendered inoperable by accumulations of dust, mud, grease, or oil, as well as defective mechanical or electrical components. Accordingly, all such safety devices are required, under paragraph (a), to be maintained in operating condition or the mobile equipment must be removed from service. MSHA's policy on Paragraph (c) of this section is similar to the policy on Section 77.500, which states that it is not necessary to completely deenergize large surface mining equipment where means are provided in the equipment to deenergize any part where repair work is to be done. Similarly, to comply with Paragraph (c), it is not necessary to completely deenergize large surface mining equipment where the motion of the operating equipment does not pose a hazard, and means are provided in the equipment to deenergize that part where repair or maintenance work is to be done. Each repair or maintenance job must be examined February 2003 (Release V-33) 172
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Program Policy Manual - VOLUME V - Mine Safety and Health ...

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