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... well managed because they can contain a large inventory of
hazardous materials and because of the high costs such as
cleaning and waste disposal prior to inspection and
maintenance. The damage mechanisms associated with tanks
can be complex and varied. Mechanisms include underfloor
corrosion (where cathodic protection and drainage issues are
important), internal corrosion (where the contents of the tank,
the presence of species such as sulphate reducing bacteria and
temperature control the corrosion rates) and non-corrosion
related mechanisms such as differential settlement.
hazardous materials and because of the high costs such as
cleaning and waste disposal prior to inspection and
maintenance. The damage mechanisms associated with tanks
can be complex and varied. Mechanisms include underfloor
corrosion (where cathodic protection and drainage issues are
important), internal corrosion (where the contents of the tank,
the presence of species such as sulphate reducing bacteria and
temperature control the corrosion rates) and non-corrosion
related mechanisms such as differential settlement.
... product of likelihood and consequence, it is apparent that tanks
deserve high profile in a risk directed inspection program. It is
maintained in the paper that it is possible to develop inspection
scopes directed on the basis of risk. Such an approach permits
the use of resources to be optimized while the overall costs of
maintenance are minimized. Inspection and turnaround costs
may be minimized and the risk of business and safety impacts
reduced to an acceptable level whilst meeting statutory
occupational health, safety and environmental requirements.
deserve high profile in a risk directed inspection program. It is
maintained in the paper that it is possible to develop inspection
scopes directed on the basis of risk. Such an approach permits
the use of resources to be optimized while the overall costs of
maintenance are minimized. Inspection and turnaround costs
may be minimized and the risk of business and safety impacts
reduced to an acceptable level whilst meeting statutory
occupational health, safety and environmental requirements.
| The integrity of tanks needs to be ... |
| When the risk is defined as the ... |