"At least once every 10 years, a hydrostatic test and internal examination of 10% of the
system‟s extinguishing agent and pilot cylinders shall be conducted. If one or more
cylinders fail, a total of 50% of the onboard cylinders shall be tested. If further cylinders
fail, all cylinders shall be tested"
[link Point to another website Only the registered members can access]
(a) Basic requirements. Each pressure vessel must be examined or tested every 5 years. The extent of the test or examination should be that necessary to determine that the pressure vessel's condition is satisfactory and that the pressure vessel is fit for the service intended.
(b) Internal and external tests and inspections.
(1) Each pressure vessel listed on the Certificate of Inspection must be thoroughly examined externally every 5 years.
(2) In addition, each pressure vessel listed on the Certificate of Inspection that is fitted with a manhole or other inspection opening so it can be satisfactorily examined internally, must be opened for internal examination every 5 years.
(3) No pressure vessel need be hydrostatically tested except when a defect is found that, in the marine inspector's opinion, may affect the safety of the pressure vessel. In this case, the pressure vessel should be hydrostatically tested at a pressure of 11/2 times the maximum allowable working pressure.
[link Point to another website Only the registered members can access]
"Each pressure vessel examined or tested every five years"
[link Point to another website Only the registered members can access]
[link Point to another website Only the registered members can access]
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