- necessary and suitable safety equipment to ensure that it is always ready for use and in working order; - existing systems for energy distribution on building and construction sites or other temporary workplaces. The systems shall be identified, inspected and clearly marked before a building and construction site is established; - mechanical and electrical equipment and plant in connection with rock work, and with any testing of mechanical and electrical equipment and systems, including ventilation systems; - the ventilation function. It shall be regularly measured and recorded if faults are associated with risk, for example in connection with rock work; - combustion engines for underground use in connection with rock work; see Section 27-17; - high-pressure jetting equipment; - scaffolds; see Section 17-8; - coffer dams and caissons for use during excavation work.
