MONTHLY
– valves
– releasing controls accessible for use
– no damages
– cylinders secured
– alarm devices in place
ANNUAL
– no structural modifications
– damage or rusting
– piping system, damage loose support, corrosion
– nozzles unobstructed
– flexible hoses tightened
– warning and evacuation signs
INTERMEDIATE/ PERIODICAL/ RENEWAL
– 90% of nominal charge
– cylinder hydrostatic test dates (not exceeding 10 years)
– replace flexible hoses (not exceeding 10 years)
– blow through
RENEWAL
– test activating heads
– cables cleaned and adjusted
– return system to normal (pressure switches reset, stop valves closed, release controls and valves reset)