Environmental project in four phases

Environmental project in four phases

The agreement made with the Norwegian Coastal Administration is a contract where AF has undertaken all risks according to method and execution. This confirms our philosophy of being trustworthy.

For this mission there will be established two temporary breakwaters and a dry dock to demolish the wreck in the safe and responsible manner.

AF's approach to this project was to identify all risk factors, and then develop a method to minimize these. The overall task can seem big and complicated. By looking at the works as isolated sub-projects, the risk will be reduced and the management and control is increased. The solution was a model in which the work was divided into four different projects:


- Phase 1: preparation and construction of breakwaters
- Phase 2: the construction of dry dock
- Phase 3: demolishing and recycling of the wreckage
- Phase 4: removing of sheet piles and the added mass down to contour -5.0 from lowest sea level point.


There has been extensive research in the area around the wreck to provide a good basis for engineering and design of breakwaters and dry dock:

Acoustic measurements
Seabed mapping
Basic studies of seabed
Geological engineering survey
Wave analysis

Phase 1 - Preparation and breakwaters

AF Decom need to build two breakwaters to protect dry dock. Breakwaters will be built with stones from the old port authorities quarry of Sørvær. The work is scheduled to be completed in late summer 2010 and will run parallel with Phase 2 - Dry Dock.

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Phase 2 - Construction of dry dock

Drydock is built as a supported sheet pile wall hammered to the rock mountain through seabed soil. The wreck can then be demolished dry within a safe barrier.

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Phase 3 - Demolishing and recycling of the wreckage

After the dry dock is built construction equipment is transported by fleet to the harbour and down into the dry dock. The wreck is sorted, cut and burned in fractions shipped directly to the reception. The work is scheduled to begin the spring of 2011.

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Phase 4 - Removal of sheet piles and transported mass

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