The complete interpretation of the phrase "the isolation valves shall be
fitted in the fire main at the poop front in a protected position" would be that the
valve should be located within an accommodation space, service spaces or control
station. However, the valve may be located on the open deck aft of the cargo area
provided that the valve is located:
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.1 at least 5 m aft of the aft end of the aftermost
cargo tank; or
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.2 if the above .1 is not practical, within 5 m aft
of the aft end of the aftermost cargo tank provided the valve is protected by a
permanent steel obstruction.