Mont. Admin. r. 17.24.1262

Current through Register Vol. 24, December 20, 2024

Rule 17.24.1262 - BLASTER TRAINING COURSES

(1) A blaster training course must provide appropriate training in and discuss practical applications of:

(a) use of explosives, including:

(i) selection of the type of explosive to be used;

(ii) determination of the properties of explosives which will produce desired results at an acceptable level of risk;

(iii) handling, transportation and storage;

(b) design of blasts, including:

(i) geologic and topographic considerations;

(ii) blast hole design;

(iii) pattern design, field layout, and timing of blast holes;

(iv) field applications;

(c) loading of blast holes, including priming and boostering;

(d) use of initiation systems and blasting machines;

(e) effects of blasting vibrations, airblast, and flyrock, including;

(i) monitoring techniques;

(ii) methods to control adverse effects;

(f) use of secondary blasting;

(g) discussion of current federal and state rules applicable to the use of explosives;

(h) maintenance of blast records;

(i) determination of blasting schedules;

(j) design and use of preblasting surveys including availability, coverage, and use of in-blast design;

(k) requirements of blast plans;

(l) signs, warning signals, and site control;

(m) identification of unpredictable hazards including:

(i) lightning;

(ii) stray currents;

(iii) radio waves;

(iv) misfires; and

(n) updates to the department's training manual.

Mont. Admin. r. 17.24.1262

NEW, 1984 MAR p. 1373, Eff. 9/14/84; AMD, 1989 MAR p. 30, Eff. 1/13/89; TRANS, from DSL, 1996 MAR p. 3042; AMD, 1999 MAR p. 811, Eff. 4/23/99; AMD, 2024 MAR p. 260, Eff. 2/10/2024

AUTH: 82-4-205, 82-4-205(7), 82-4-231(10)(e), MCA; IMP: 82-4-231(10)(e), MCA