30 CFR § 75.1101-12
Equivalent dry-pipe system.
Where water sprinkler systems are installed to protect main and secondary belt conveyor drives and freezing temperatures prevail, an equivalent dry-pipe system may be installed.
30 CFR § 75.1101-12
Equivalent dry-pipe system.
Where water sprinkler systems are installed to protect main and secondary belt conveyor drives and freezing temperatures prevail, an equivalent dry-pipe system may be installed.
