View all text of Subjgrp 173 [§ 57.7050 - § 57.7056]
§ 57.7055 - Intersecting holes.
Holes shall not be drilled where there is a danger of intersecting a misfired hole or a hole containing explosives, blasting agents, or detonators.
View all text of Subjgrp 173 [§ 57.7050 - § 57.7056]
Holes shall not be drilled where there is a danger of intersecting a misfired hole or a hole containing explosives, blasting agents, or detonators.