when are flushing toilets needed on construction site in bc

At specified construction sites in British Columbia, employers must provide a sufficient number of readily available flush toilets for workers. If providing flush toilets is not practicable, chemical toilets or other types of toilets must be provided. Each toilet must be maintained in proper working order, cleaned and sanitized as frequently as necessary, and situated within an enclosed, private, illuminated, and ventilated space. Heating must be provided if practicable. A handwashing facility with necessary supplies must be included within or close to the enclosed space. Records of maintenance and cleaning must be kept for at least the most recent 30 days. In multiple-employer workplaces, these duties also apply to the prime contractor. [1] [2]

A specified construction site is defined as a worksite where a construction project is undertaken and 25 or more workers will be present at any time during the project. [1]