New Hampshire Code of Administrative Rules
Saf - Department of Safety
Subtitle Saf-C - Commissioner, Department of Safety
Chapter Saf-C 1600 - EXPLOSIVES
Part Saf-C 1625 - LOADING OF EXPLOSIVE MATERIALS IN BLAST HOLES
Section Saf-C 1625.01 - Drill Holes

Universal Citation: NH Admin Rules Saf-C 1625.01

Current through Register No. 40, October 3, 2024

(a) All drill holes shall be sufficiently large to admit freely the insertion of the packages of explosive materials.

(b) Drilling shall not be started until all remaining butts or old holes are examined with a wooden stick for unexploded charges, and if any are found, they shall be refired before work proceeds.

(c) No person shall deepen drill holes that are loaded or being loaded with explosive materials.

(d) No person shall drill holes when adjacent drill holes are within 50 feet and are loaded.

#2220, eff 12-31-82; ss by #2837, eff 8-27-84; ss by #4584, eff 3-3-89; ss by #5996, INTERIM, eff 3-3-95, EXPIRES, 7-1-95; ss by #6054, eff 7-1-95, EXPIRED: 7-1-03

New. #8116, INTERIM, eff 7-14-04, EXPIRES: 1-10-05; ss by #8231, eff 12-20-04

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