S-2.1, r. 4 - Safety Code for the construction industry

Section 7.1.1.6 Disposition versions

2021-04-22

7.1.1.6. An operator may not use a low velocity explosive actuated tool to drive

(1)  fasteners into

(a)  curved or rounded objects, except if the tool is equipped with a protective device designed for such work;

(b)  plaster tiles, hollow bricks or slates;

(c)  cast iron, marble, granite, glazed linings and other hard and brittle materials;

(d)  steel or alloys that are harder than the fastener used;

(e)  hard materials in which holes have already been made, except if the tool is equipped with a device that is capable of holding back the fasteners;

(f)  corner bricks or vertical mortar joints; and

(g)  steel where

i.  the steel is less than 4.83 mm thick;

ii.  the point of entry of the fasteners is less than 50 mm from a weld;

iii.  the point of entry of the fasteners is less than 13 mm from an edge;

(2)  fasteners with a shaft diameter equal to or less than 4.83 mm into concrete where

(a)  the concrete is less than 65 mm thick or equal to 3 times the depth of penetration of the shaft of the fasteners;

(b)  the point of entry of the fasteners is less that 50 mm from an unsupported edge; and

(c)  the point of entry of the fasteners is less that 75 mm from another fastener that is broken.

O.C. 483-2021, s. 9.