Contract Award - Stena VT4 Scour Protection

Contract Award - Stena VT4 Scour Protection

Ashleigh Contracts have been awarded a contract to place additional scour protection to a Stena berth at Victoria Terminal 4, Belfast Harbour.

The works will comprise the grading of seabed silts between -8m CD and -13m CD working from an existing concrete scour protection mattress. The edge of the mattress will then be protected by the accurate placement of approx. 3,000T of scour protection in the form of a base layer of 50-200mm Underlayer overlayed by two layers of 1T to 3T rock armour.

The works will be carried out approx. 20m off the quay edge so all material will require to be placed by long reach excavator working from a spudleg barge. Accurate grading of the seabed and placement of the scour proteciton stone will be carried out using Prolec PCX 3D GPS machine guidance control.   



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