S-2.1, r. 14 - Regulation respecting occupational health and safety in mines

Section 463 Disposition versions

2012-09-01

463. When blasting on the surface:

(1)  a warning before a primary blast shall be given by means of a siren between 3 and 5 minutes before blasting and a second warning given 1 minute before blasting;

(2)  following the blast, a sound signal giving workers permission to return to their places of work shall be given;

(3)  where a worker must remain in the blasting area, the worker must be provided with a shelter that protects against fly-rock; the location, design or construction of the shelter must be certified by a certificate signed and sealed by an engineer;

(4)  when blasting is carried out near a building, a railway line, a road or an electric power line, the blasting charge shall be controlled and a blasting mat placed on the blasting site; the mat must

(a)  be constructed and maintained so that no metallic part comes into contact with the explosives;

(b)  be deposited but not slid into place; and

(c)  when made of tailings, contain no single or aggregate particles having a diameter larger than 5 mm (0.2 in).

O.C. 213-93, s. 463; O.C. 42-2004, s. 29; O.C. 221-2009, s. 36.