29 CFR Part 1926
§ 1926.912 — Underwater blasting
OSHA 1926 · Subpart U — Blasting and the Use of Explosives. Full current text with cross-references on BuildSpec.
§ 1926.912 Underwater blasting. (a) A blaster shall conduct all blasting operations, and no shot shall be fired without his approval. (b) Loading tubes and casings of dissimilar metals shall not be used because of possible electric transient currents from galvanic action of the metals and water. (c) Only water-resistant blasting caps and detonating cords shall be used for all marine blasting. Loading shall be done through a nonsparking metal loading tube when tube is necessary. (d) No blast shall be fired while any vessel under way is closer than 1,500 feet to the blasting area. Those on…
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