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发表于 2011-12-16 18:56
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来自: 中国上海
17.4.1 Air supply
a) The control and monitoring air supply to essential services
is to be available from two sources of a sufficient
capacity to allow normal operation with one source out
of service.
b) At least one air vessel fitted with a non-return valve is to
be provided for control and monitoring purposes.
c) Pressure reduction units used in control and monitoring
air systems intended for essential services are to be
duplicated, unless an alternative air supply is provided.
d) Failure of the control air supply is not to cause any sudden
change of the controlled equipment which may be
detrimental to the safety of the ship. |
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