Code of Virginia (Last Updated:July 28, 2020) |
TITLE 45.1. Mines and Mining |
CHAPTER 14.5. Requirements Applicable to Underground Mineral Mines |
SECTION 45.1-161.300. Use of track as electrical power conductor |
A. The Director shall promulgate regulations regarding the bonding, welding, or securing of rails and track switches where track is used to conduct electrical power. B. Until final regulations promulgated by the Director pursuant to subsection A become effective, the following standards shall apply where track is used as a power conductor: 1. Both rails of main-line tracks shall be welded or bonded at every joint, and cross bonds shall be installed at intervals of not more than 200 feet. If the rails are paralleled with a feeder circuit of like polarity, such paralleled feeder shall be bonded to the track rails at intervals of not more than 1,000 feet. 2. At least one rail on secondary track-haulage roads shall be welded or bonded at every joint, and cross bonds shall be installed at intervals of not more than 200 feet. 3. Track switches on entries shall be well bonded. 4. Rails shall not be used as power conductors in rooms. Code 1950, §§ 45-82, 45-82.1; 1954, c. 191; 1966, c. 594, § 45.1-78; 1993, c. 442; 1994, c. 28 . |