13 NCAC 06 .0525. PRIMARY BLASTING

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(a) Detonators in Blast Area‑‑Detonating Fuse. When loading a blast primed with detonating fuse, detonators shall not be attached to the detonating fuse until the blast site has been cleared.

(b) Loading and Other Operations. Loading shall not begin until the shot has been completely drilled. On a shot being loaded, a drill shall not be used for any purpose closer to a loaded hole than a distance of three times the spacing of the drill pattern used.

History Note: Authority G.S. 74‑24.4(a);

Eff. February 1, 1976;

Readopted Eff. September 30, 1977;

Amended Eff. August 1, 1994; January 9, 1980.

                    
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