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| Maintenance—Surface and Underground | 57.6800 – 57.6803 | |||||||||||||
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50 FR 4082, Jan. 29, 1985, unless otherwise noted.
61 FR 36801, July 12, 1996, unless otherwise noted.
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Subscribe to: 30 CFR Part 57 Subpart E - Maintenance—Surface and Underground
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When repair work which could produce a spark or flame is to be performed on a storage facility—
(a) The explosive material shall be moved to another facility, or moved at least 50 feet from the repair activity and monitored; and
(b) The facility shall be cleaned to prevent accidental detonation.
Vehicles containing explosive material and oxidizers shall not be taken into a repair garage or shop.
No welding or cutting shall be performed on a bulk delivery vehicle until the vehicle has been washed down and all explosive material has been removed. Before welding or cutting on a hollow shaft, the shaft shall be thoroughly cleaned inside and out and vented with a minimum 1⁄2-inch diameter opening to allow for sufficient ventilation.
Permanent blasting lines shall be properly supported. All blasting lines shall be insulated and kept in good repair.