Section 12-4. Requirements for systematic inspection and maintenance of work equipment and plant

Procedures for systematic inspection and maintenance of the following must always be in place:
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    necessary and suitable safety equipment to ensure that it is always ready for use and in working order;
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    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;
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    mechanical and electrical equipment and plant in connection with rock work, and in connection with any testing of mechanical and electrical equipment and systems, including ventilation systems;
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    the ventilation function. It shall be regularly measured and recorded if faults are associated with risk, for example in connection with rock work;
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    combustion engines for underground use in connection with rock work; see Section 27-17;
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    high-pressure jetting equipment;
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    scaffolds; see Section 17-8;
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    cofferdams and caissons for use during excavation work.