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Posted By Mike Craven
Is it possible to carry out 5-yearly discharge testing (10-yearly for CO2) some years later than scheduled? For example, if an extinguisher was due to be discharge tested in 2002 but was merely given a further basic annual service in 2003, 2004 and 2005, could it be discharge tested now in 2006?
(Brief explanation - Have just taken over responsibility for arranging fire extinguisher servicing and found that my predecessors had all of our extinguishers serviced anually (basic service) but never semed to bother with the discharge test!! Result is that we have a large number of extinguishers which have been given a basic annual service, but are "not maintained" and the servicing company is recommending replacement of them all.)
Many thanks
Mike
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Rank: Guest
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Posted By Geoff Norman
Mike
From my memory there is no dispensation for test discharging even if the extinguishers have been examined each year (Note - In hard water areas the recommendation is to do a test discharge every 2 years for foam or water extinguishers, unless soft water is used).
Also from memory a hydraulic pressure test must be performed 10 years from the date of manufacturer, with the second not to exceed 10 years from that test and the third and subsequent tests not to exceed 5 years from the previous test. However, the interval to the first test I think could be extended to 20 years if there is a record that the extinguisher has had a full external examination every 12 months from manufacture. This could be want you are thinking of.
Geoff
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Rank: Guest
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Posted By George Wedgwood
I would always advise that discharge testing is not carried out unless there is a valid inspection and integrity check on the extinguisher body, carried out beforehand by someone who is competent. It would not be the first extinguisher to explode violently on discharge, due to a failure in its body - mainly the bottom pressure seam! Remember that most water and powder extinguisher discharge is through discharge of a smaller gas cylinder inside, which pressurises the extinguisher body to discharge the contents. G.
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