Bypassing of storage tanks safety features
The National Offshore Petroleum Safety and Environmental Management Authority of Australia (NOPSEMA) published Alert #50 regarding instances where safety features associated with machinery space oil and fuel tanks have been intentionally bypassed, including deliberately bypassing the spring return valves of tanks containing hydrocarbon inventories by securing them open via a number of means, including zip ties.
Safety Event
Published: 4 April 2012
Download: 
IMCA SF 03/12
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