The requirements of this part apply to installations for construction and demolition sites for use during the period of the construction or demolition work which are intended to be taken out of service upon completion of the works. Examples include the following: construction work of new buildings; repair, alteration, extension or demolition of existing buildings or parts of existing buildings; engineering works; earthworks; work of similar nature. The requirements apply to fixed or moveable installations. The requirements do not apply to installations in administrative locations of construction sites (offices, cloakrooms, meeting rooms, canteens, restaurants, dormitories, toilets, etc.).