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(b) Only water-resistant blasting caps and detonating cords shall be used for all marine blasting. Loading shall be done through a non-sparking metal loading tube when tube is necessary.
(c) No blast shall be fired while any vessel under way is closer than 1,500 feet to the blasting area. Those on board vessels or craft moored or anchored within 1,500 feet shall be notified before a blast is fired.
(d) No blast shall be fired while any swimming or diving operations are in progress in the vicinity of the blasting area. If such operations are in progress, signals and arrangements shall be agreed upon to assure that no blast shall be fired while any person is in the water.
(e) Blasting flags shall be displayed.
(f) The storage and handling of explosives aboard vessels used in underwater blasting operations shall be according to provisions outlined herein on handling and storing explosives.
(g) When more than one charge is placed underwater, a float device shall be attached to an element of each charge in such a manner that it will be released by the firing.
Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
1. New section filed 7-11-2003; operative 8-10-2003 (Register 2003, No. 28).
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