Germany: TenneT Seeks Offshore Cable Maintenance Services

TenneT Offshore GmbH is seeking a contractor who will undertake maintenance of the stored parts and SLA for the repair of the high voltage cable systems alpha ventus (Lot 1) and BorWin1 (Lot2) maintenance.

This involves regular inspection and maintenance of embedded parts for the high voltage cable (sockets, spare cables) SLA Repair: In the case of a cable fault, the repair of the power cable systems must be performed. These include, in the case of an error, the portable mobilisation of each cable section (Wadden Sea, nearshore, offshore) suitable vessels or a land cable for the provision of earthworks and necessary equipment.

The following tasks have to be fulfilled: Short-term support for the fault location (onshore and offshore) through exposing and hiding the cable; Short-term mobilisation of floating units including jointing container (Submarine), Site equipment (land cable), Recording of spare parts and replacement cables in Emden; Exposing the cable; Repair of the cable section including jointing; Storage and rinsing on target depth (submarine), Storage of cables and replacement of excavated earth (land cable); Documentation; Provision of procedures, organisational charts, drawings, data sheets for applications for authorisation.

Deadline for submission of tenders is September 13. Divided into lots – tenders may be submitted for part or whole.

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Offshore WIND Staff, August 9, 2013; Image: TenneT