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Reducing Pollution Threat is Salvage Priority

Given the huge volumes of crude oil transported worldwide, the tanker industry has achieved a remarkable reduction in the number of significant oil spills, which has fallen to less than five per year. Nevertheless, industry, governments and the public at large remain aware that a major spill threat can arise at any moment.
The removal of bunkers and environmental protection were the priorities after 'MSC Napoli' was beached off Devon UK earlier this year.
The removal of bunkers and environmental protection were the priorities after 'MSC Napoli' was beached off Devon UK earlier this year.

One of the few laden tanker cases this year involved the 99,000 dwt 'White Sea', which grounded off Coney Island, New York, in July. Two ISU salvors joined forces to respond to the emergency. The White Sea had suffered a steering problem and subsequently went aground near Ambrose Light. Its tanks were carrying 548,000 barrels of low sulphur fuel oil.

The re-floating of the White Sea required a ship-to-ship transfer of part of her cargo. In the event, some 120,000 barrels was pumped to the STS tanker. The latter vessel, a VLCC, established a record as it was the first time that a ship of that size had entered New York.

In a very high proportion of cases where cargo oil is not involved, the first priority of the salvage team is to remove bunkers. In 2006, ISU members recovered over 72,000 tons of bunkers from 233 casualties.

During the third quarter of this year, a salvage team was engaged in removing pollutants from the bulk carrier 'New Flame' following this vessel’s collision with the tanker 'Torm Gertrud' off Gibraltar in August. The team recovered 780 m3of fuel from the vessel, which became the subject of a wreck removal.

During the previous month a large salvage team had succeeded in removing the 'MSC Napoli' from its beached location off Branscombe in Devon UK. Unfortunately, the weakened state of the containership’s hull led to a prompt decision to re-beach it. Subsequently, the bow section was separated and towed to Belfast for scrapping. The stern is now the subject of a removal contract.

When this major salvage operation began at the very beginning of 2007 the clear priority was the removal of some 3,600 tons of bunkers from MSC Napoli. This was no easy task but it was performed successfully using a 'hot-tap' system to penetrate and pump out submerged bunker tanks. The next priority was environmental protection in a broader sense, discharging vulnerable deck containers so as to remove the potential risk of a mass release in violent storm conditions.

In June, ISU salvors responded when the bulk carrier 'Pasha Bulker' grounded off Newcastle in Australia. This incident happened in extreme weather at a position north of Sydney. Salvage personnel and equipment were brought in from three centres; Australia, Singapore and The Netherlands. The first task was the removal of 700 tons of bunkers prior to a re-floating.

The reefer 'Sierra Nava' also became a casualty this year following a grounding off Algeciras Port in January. Salvors mobilised to remove pollutants, recovering some 350 tons of bunkers before vessel was refloated in March.

In some situations the salvor’s expertise permits work to proceed which, in other circumstances, would not be possible due to the potential for damage to the marine environment. One example this year was the wreck/debris clearance work undertaken by a number of ISU salvors in the wake of the devastation caused by hurricanes Katrina and Rita in 2005. In many instances, debris clearance, including the pulling of platform leg sections, took place in close proximity to live wells.

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