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

Section 3.18.2 Disposition versions

2012-09-01

3.18.2. Requirements during demolition:

(1)  During demolition, the following precautions shall be taken:

(a)  dust shall be kept down;

(b)  debris shall not be burnt on the site without authorization;

(c)  floors shall not be overloaded beyond their capacity;

(d)  solid supports shall be provided in areas where there are gins, derricks and other similar hoisting apparatus;

(e)  any scaffolding or platform shall be erected in compliance with Subdivisions 3.7 and 3.9 of this Code;

(f)  materials with protruding nails shall be stacked or removed or nails shall be removed or hammered in;

(g)  entrances and exits which are protected against hazards shall be provided;

(h)  in buildings more than 7.5 m high, exterior openings shall be boarded up within 6 m of any shaft or chute for debris;

(i)  floor openings below the demolition level which are not being used for the removal of debris shall be boarded up;

(j)  stairways and ramps shall be kept as long as possible; and

(k)  Subdivision 3.1 applies even when demolition works are suspended.

(2)  Demolition works shall be done with the following provisions:

(a)  demolition work shall proceed systematically from the roof down to the ground, unless another demolition procedure has been approved by an engineer;

(b)  demolition and cleaning of a storey shall be finished before its supports give way or are removed;

(c)  the steel frame may be left in place during demolition of the masonry. However, any material shall be removed from the framework as the removal of the masonry progresses;

(d)  no beam, column or other structural part may be cut or separated from the others without having been previously separated from all supported loads;

(e)  solid shores for the remaining structure shall be provided during the removal of masonry or concrete floors. Plankings or walkways shall be provided for workers and the area below such work closed to workers;

(f)  masonry shall be demolished in reasonably level layers and not in large masses, so as to avoid affecting the solidity of the structure and its supports;

(g)  cornices and other projections shall be supported until removed;

(h)  no worker shall stand on any wall, pier or chimney unless scaffolding is provided on any side at a distance not exceeding 3 m below the level at which he is working;

(i)  it is forbidden to leave without protection any wall, chimney or other structural part which might collapse under the effect of wind or vibrations;

(j)  the demolition site shall be constantly inspected during the course of the works to prevent any eventual accident; and

(k)  sand layers shall be used to break the fall of materials that pose a danger to the health and safety of workers.

(3)  Removal, and transportation of debris shall be carried out in the manner described in section 3.2.2.

R.R.Q., 1981, c. S-2.1, r. 6, s. 3.18.2; O.C. 329-94, s. 68.