Coal Mining Occupational Health and Safety Regulations (SOR/90-97)

30. (1) Where a single shot in a round misfires and is not recovered, the procedures set out in subsections 29(1) and (2) shall be carried out.

(2) Where a part of a round of shots misfires and is not recovered, the procedures set out in subsection 29(2) shall be carried out and groups of shots with the same millisecond-delay shall be fired in turn, in increasing order of delay.

31. (1) Where a misfired shot is not recovered, the shotfirer shall cause

• (a) barricades to be installed to prevent persons from entering the danger area for the shot hole determined in accordance with paragraph 22(1)(a); and

• (b) a warning sign to be conspicuously posted on each barricade referred to in paragraph (a) with the words “MISFIRED SHOT — KEEP OUT” and “COUP DE MINE RATÉ — ENTRÉE INTERDITE”.

(2) After having carried out the procedures set out in subsection (1), the shotfirer shall report orally to the underground manager or mine manager the misfired shot and the procedures carried out.

32. (1) Where a shot flames on firing, the shotfirer shall, in the following sequence,

• (a) immediately take steps to extinguish the flame;

• (b) verify that the section of the coal mine in which the shot was fired is guarded by an employee and left unworked, except for making the section safe, until inspected by a safety officer;

• (c) without delay, report the flamed shot orally to the shotfirer’s supervisor or the underground manager; and

• (d) report the flamed shot in writing to the mine manager.

(2) Where a mine manager is informed of a flamed shot in accordance with paragraph (1)(d), the mine manager shall, without undue delay, make a report of the flamed shot to a safety officer at the district office.

33. (1) At the end of a shotfirer’s shift, the shotfirer shall report in writing to the shotfirer’s immediate supervisor every misfired shot and flamed shot for which the shotfirer was responsible during the shift.

(2) Where an immediate supervisor is informed of a misfired shot or flamed shot in accordance with subsection (1), the supervisor shall, without undue delay, report in writing to the underground manager or mine manager the misfired shot or flamed shot.

34. (1) At the end of a shotfirer’s shift, the shotfirer shall record in a book that is kept for that purpose all the shots the preparation and firing of which the shotfirer was responsible for during the shift.

(2) The record referred to in subsection (1) shall include

• (a) the number of detonators used;

• (b) the amount of explosive used, expressed in grams;

• (c) in respect of each shot or round of shots,

  • (i) the time of firing of the shot or round of shots,

  • (ii) the concentration of flammable gas in the air before and after each shot or round of shots was fired,

  • (iii) the number of detonators used, and

  • (iv) the amount of explosive used, expressed in grams;

• (d) the number of misfired shots and whether they were recovered; and

• (e) the number of flamed shots.