# Subsea Inspections 2027+ Open · Tender ## At a glance Trianel Windkraftwerk Borkum GmbH & Co. KG is procuring Offshore installation services (CPV 76521000) in Extra-Regio NUTS 3 (DEZZZ). Procedure type: Negotiated with prior publication of a call for competition / competitive with negotiation. ### From the notice Yearly subsea inspection works comprising ROV inspections on offshore foundations and scour survey of the seabed for the years 2027, 2028 and 2029 with an optional prolongation for additional 2 x 1 year. ## Key facts - Status: Open - Deadline: No deadline in the notice - Buyer: [Trianel Windkraftwerk Borkum GmbH & Co. KG](https://inteliwert.com/company/org_6QRRFT0FVNCVY0PE433QGM99WV/trianel-windkraftwerk-borkum-gmbh-co-kg), Aachen, DE - Place of performance: Extra-Regio NUTS 3 (DEZZZ) - Main CPV: Offshore installation services (CPV 76521000) - Procedure: Negotiated with prior publication of a call for competition / competitive with negotiation - Lots: 1 - First published: 21 September 2026, 11:42 (UTC+02:00) Source: [Official notice](https://oeffentlichevergabe.de/ui/de/notices/bf4418e5-9a4a-4f37-8e92-15d35b997c43). Each fact is from the official notice, last checked 7 November 2026, 08:30 (UTC+01:00). Fact sheet: [Inteliwert fact sheet: Subsea Inspections 2027+ — Trianel Windkraftwerk Borkum GmbH & Co. KG. A product of Bandpey GmbH.](https://inteliwert.com/cards/opp_7XM27H0951RYT5ZNDS0QNM2CBY/ntv_NKZ529E47MFXZA4SF8NVZRBNV0/en-sheet.png) (PNG, 1600 × 900) ## Lots (1) ### Lot LOT-0001: Subsea Inspections 2027+ The Scope of Work shall comprise the following two subsea inspections of the Trianel Windpark Borkum: - Scope of Work 1 (SOW1) - ROV Inspection: Biannual inspection of the foundations and the cable exits to determine the current condition by means of visual recording and measurement. TWB plans to do inspections at 20 tripod locations and one offshore substation site every two years. - Scope of Work (SOW2) - Scour Survey: Biannual survey of scour formation with the aid of bathymetric survey using multibeam echosounder equipment (MBES). The depth profile of the seabed is to be measured in a radius of 50 meters from the centre of the foundation structure. TWB plans to do inspections at 40 tripod locations and one offshore substation site every two years. - CPV: Offshore installation services (CPV 76521000) - Place: Extra-Regio NUTS 3 (DEZZZ) ## Timeline - 21 September 2026, 11:42 (UTC+02:00): Original notice, Notice, version 01 (Contract or concession notice – standard regime), [Official notice](https://oeffentlichevergabe.de/ui/de/notices/bf4418e5-9a4a-4f37-8e92-15d35b997c43) ## Classification - CPV codes: Offshore installation services (CPV 76521000) - NUTS regions: Extra-Regio NUTS 3 (DEZZZ) ## Official documents - [www.dtvp.de](https://www.dtvp.de/Satellite/notice/CXP4YC7M8UJ/documents) ## Questions and answers ### Who is the buyer? Trianel Windkraftwerk Borkum GmbH & Co. KG, Aachen, DE. ### What is being procured (CPV)? Offshore installation services (CPV 76521000). ### Where is the work performed (NUTS)? Extra-Regio NUTS 3 (DEZZZ). ### Is it divided into lots? No, the notice names a single lot. ### Which procedure is used? Negotiated with prior publication of a call for competition / competitive with negotiation. ### How do I submit a bid? On the official notice or the portal it names. Inteliwert does not submit bids. [Official notice](https://oeffentlichevergabe.de/ui/de/notices/bf4418e5-9a4a-4f37-8e92-15d35b997c43) ### Am I eligible? Inteliwert does not judge eligibility. The selection criteria are in the official notice. 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Inteliwert shows what the notice states and links to it. --- Page: https://inteliwert.com/tender/opp_7XM27H0951RYT5ZNDS0QNM2CBY/subsea-inspections-2027 Inteliwert is a product of Bandpey GmbH, an international data and AI software company in Munich, Germany, founded and led by Roozbeh Bandpey. Bandpey's products: Facthory, Emolysis, Copolly and Inteliwert. Inteliwert on LinkedIn: https://www.linkedin.com/company/intelliwert, GitHub: https://github.com/inteliwertai.