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Carriage, Handling and Storage of Dangerous Goods along

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Tier 1<br />

PORTS AND TERMINALS 41<br />

• Small operational spills that are within the response capability <strong>and</strong> resources <strong>of</strong> an<br />

individual port or terminal where the spill occurs. These spills require immediate<br />

response with local personnel <strong>and</strong> equipment. Spills that impact or threaten to impact<br />

within the jurisdiction <strong>of</strong> an individual country;<br />

• The individual terminal owner/operator or port administrations should develop, implement<br />

<strong>and</strong> maintain the oil spill response plan; <strong>and</strong><br />

• Examples: rupture <strong>of</strong> oil transfer hoses, valve leakage, pump leakage.<br />

Tier 2<br />

• Medium spills that are within the response capability <strong>and</strong> resources <strong>of</strong> the port or local<br />

authority where the spill occurs. These spills cannot be h<strong>and</strong>led by the terminal operator/<br />

owner alone. Personnel will be required from other port users or from a local contractor.<br />

Spills that impact or threaten to impact within the jurisdiction <strong>of</strong> an individual country.<br />

These spills are covered by National Contingency plan;<br />

• The port authority is responsible for developing, implementing <strong>and</strong> maintaining an oil spill<br />

response plan for the port; <strong>and</strong><br />

• Examples: pipeline failure, shipping accidents in port with a limited release.<br />

Tier 3<br />

• Large spills that are <strong>of</strong> a magnitude <strong>and</strong>/or severity that is beyond the response<br />

capability <strong>and</strong> resources <strong>of</strong> a port where the spill occurs. National <strong>and</strong>/or international<br />

assistance is required <strong>and</strong> resources need to be mobilized. Personnel <strong>and</strong> equipment may<br />

be required from an international Tier 3 base. Spills that impact or threaten to impact<br />

within the jurisdiction <strong>of</strong> more than one country;<br />

• A Tier 3 incident is beyond the capability <strong>of</strong> both local <strong>and</strong> regional resources. This is<br />

an incident that requires national assistance through the implementation <strong>of</strong> the National<br />

Contingency Plan <strong>and</strong> will be subject to government control; <strong>and</strong><br />

• Examples: Tank structure failure, failure <strong>of</strong> a tankers hull integrity following a total release<br />

<strong>of</strong> cargo <strong>and</strong> bunkers in port.<br />

For Tier 3 spills, the oil industry has established cooperative response organisations on a regional basis<br />

throughout the world to provide equipment <strong>and</strong> specialist manpower to reinforce local capabilities<br />

in responding to the largest spills. Examples <strong>of</strong> these Tier 3 response centres are Oil Spill Response<br />

(OSR) <strong>and</strong> Petroleum Association <strong>of</strong> Japan (PAJ).<br />

Allocation <strong>of</strong> an oil spill to a particular tier can only be done when an oil spill actually occurs. The<br />

national responsible authority <strong>of</strong> the country should make an assessment <strong>of</strong> the spill <strong>and</strong> determine its<br />

tier. Statistics have shown that most spills are Tier 1 spills.<br />

The figure below illustrates that the size <strong>of</strong> the spill <strong>and</strong> its proximity to the operations influence the<br />

spill category.

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