N.H. Code Admin. R. Saf-C 1625.01
Drill Holes
Effective Aug 15, 2013#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; ss by #10396, eff 8-15-13Commissioner, Department of Safety
- (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.
Source. #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; ss by #10396, eff 8-15-13