19. (1) This Part applies to a person who undertakes, on their own behalf or on behalf of another person, a construction project consisting of the construction of one or more buildings with a total floor area of at least 2,000 square metres.
(2) In this Part, builder means a person described in subsection (1).
20. (1) The builder shall conduct a waste audit covering the waste that will be generated in the construction project. The audit shall also address the extent to which materials or products used consist of recycled or reused materials or products.
(2) After conducting the waste audit, the builder shall prepare a written report of the audit.
21. The builder shall prepare a written waste reduction work plan, based on the waste audit, to reduce, reuse and recycle waste generated in the construction project.
22. The builder shall implement the waste reduction work plan.
23. The waste reduction work plan shall include measures for communicating the plan to the workers at the construction site and, as a minimum, those measures shall require,
(a) that the plan or a summary be posted at the construction site in a place where most of the workers will see it; and
(b) if a summary is posted, that any worker who requests to look at the plan be allowed to do so.
24. The report of the waste audit and the waste reduction work plan required under this Part shall be prepared before construction work begins at the site.