188 / 648
Safety and environmental standards for fuel storage sites
Final report
186
Leading indicators:
number of times ship is unloaded where the ship-shore checks are not completed correctly;
■
■
number of times when any item is not met by ship calling at a terminal.
■
■
2 Ship-to-shore transfer accidental leakage
System outcomes:
no leaks into water.
■
■
Lagging indicators:
number of times a ship is offloaded where there is a leak to water.
■
■
Critical elements of the risk control system:
ship-to-shore checks completed correctly;
■
■
inspection and maintenance of marine arms;
■
■
trained jetty crew;
■
■
coupling done up correctly/manifold bolted up properly;
■
■
start pump slowly;
■
■
walk the lines;
■
■
lines drained down correctly/stripped.
■
■
Potential leading indicators:
number of times the planned inspection and maintenance of marine arms not done to time;
■
■
number of times the ship-to-shore checks not completed correctly, especially;
■
■
new gaskets used;
■
■
lines walked before discharge commences.
■
■
3 Bulk tank overfilling
System outcomes:
not filled above safe operating limits.
■
■
Potential lagging Indicators:
number of times the tank is filled above the safe operating limits.
■
■
Critical elements of the risk control system:
ullage control checklist/scheduling system;
■
■
tank gauging and associated equipment working;
■
■
competent people undertaking tasks;
■
■
shift handover control;
■
■
supply handover;
■
■
configuration of valves and associated interlocks;
■
■
inspection and maintenance of tank gauging system;
■
■
inspection and maintenance of line product sensors;
■
■
for pipeline deliveries – cross-check and fax confirmation between central operations and
■
■
terminal operations OCC monitoring tank level independently.