121.1(1)If the demolition of a building or structure may result in the compromised integrity of any adjoining building or structure, an employer and a contractor shall each ensure that the adjoining buildings or structures are supported by a support system approved by an engineer.

121.1(2)The design plan of a support system referred in subsection (1) shall include a schedule for the installation of the components of the support system that is based on the stages of demolition, and a copy of the design plan shall be made available to an officer on request.

121.1(3)If salvage is taking place before or during the demolition, the integrity of the building or structure shall be maintained.

121.1(4)If a dangerous or unstable wall is to be left standing, the wall shall be adequately braced.

121.1(5)During the demolition, materials of a size or weight that may endanger employees shall not be loosened or allowed to fall unless procedures are used that will adequately protect the employees.

121.1(6)If the nature and method of the demolition will not endanger employees and will not compromise the stability of adjoining buildings or structures, the building or structure and adjoining buildings or structures are not required to be supported by a support system referred to in subsection (1).