Unexploded Ordnance (UXO) Survey on HelWin2 Cable Route including optional UXO Clearance

TenneT Offshore 09. Beteiligungsgesellschaft mbH

TenneT Offshore GmbH is responsible in the Connecting of the electrical substation of the offshore wind farms in the HelWin2 cluster. In order to connect the wind farms with the onshore AC grid TenneT requires sea bed survey services for the potential clearance of unexploded Ordnance. The wind farm area is located 33KM north west of Helgoland. The landfall of the cable route is located near Büsum, Germany.
The scope of works consists of the following Lots:
Lot 1: The suspicion of the presence of unexploded ordnance (UXO) is to be examined and documented by a technical survey exploration on the cable route and 16 anchor locations.
The evaluation of the survey exploration will be executed by a third party. Based on the report a possible unknown number of UXO may need to be cleared.
The anomaly plots will be handled by a third party and is not part of this scope of works.
Lot 2: If based on the evaluation of the third party no UXO risk is evaluated from the survey, then this scope of works will not be executed.
If in the case UXO risk is evaluated than based on the results of the third party evaluation the selected supplier from the tender shall start a UXO clearance operation in order to remove the x-number of selected objects.
Lot 3: Additional Survey.
Based upon the quotations of LOT 1 an additional survey of 1.6 million square meters can be ordered.
The AH-KMR work instructions are free of charge and can be downloaded via in www.ah-kmr.de

Deadline
Die Frist für den Eingang der Angebote war 2013-05-10. Die Ausschreibung wurde veröffentlicht am 2013-04-10.

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Geschichte der Beschaffung
Datum Dokument
2013-04-10 Auftragsbekanntmachung