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Pre-Market Consultation – 48-inch Flanges for Offshore Hydrogen Pipeline
At a glance
AquaDuctus Pipeline GmbH (a subsidiary of GASCADE Gastransport GmbH); supported by Worley Projects as appointed EPCM is procuring Flanges (CPV 44167110) in Köln, Kreisfreie Stadt (DEA23). It is closed. Procedure type: Other single stage procedure.
From the notice
AquaDuctus Pipeline GmbH (contracting entity) is currently preparing the procurement strategy for an 48-inch offshore pipeline intended for the transportation of gaseous hydrogen in the North Sea. In this context contracting entity, supported by Worley Projects GmbH (acting as EPCm contractor for and on behalf of contracting entity), hereby invites your organisation to participate in a non-binding pre-market consultation (Markterkundung) conducted in accordance with §26 of the German Sector Regulation (SektVO), as part of the applicable German legislation that implements European Union public tendering rules. This consultation is of a purely exploratory nature and serves exclusively to support contracting entity’s internal preparation of a potential future procurement procedure. Any information exchanged in the context of this consultation is purely informative, non-binding, indicative only, and subject to change. Please note that this is not a request for quotation. This request does not constitute the launch of a procurement procedure and does not create any obligation for contracting entity to procure, tender, award or contract any scope of supply. Contracting entity reserves the right to decide on any further steps. Should a procurement need be identified following the completion of the pre market consultation, a formal procurement procedure will be initiated, provided the relevant conditions are met. Your feedback within the scope of this pre-market consultation is non-binding and will not affect your chances in any potential future procurement procedure. The purpose of this market consultation is to obtain non‑binding, high‑level information from potential market participants in order to: • Connect with the market to prepare our execution strategy. • Assess the technical feasibility and understand technical limitations associated with supplying 48-inch flanges for hydrogen service pipeline connections. • Understand manufacturing routes, qualification approaches and constraints. • Support the preparation of transparent, competition‑neutral tender documentation for a potential future procurement procedure. We are currently evaluating our sourcing needs and participants are invited to provide non-binding and purely informative input on topics such as: • Design, Manufacture, and Testing capability for 48-inch flanges. • General experience with supply of flanges in hydrogen service. • Experience with supply of forged flanges and compliance with codes like ASME B16.47; ASME 31.12; DNV-ST-F101 and DNV-RP-0034. • Key technical risks relevant to this type of project. Should you be interested in participating, please confirm your interest by contacting the Single point of Contact mentioned in letter AQD-PP-PQS-006. Please note that first a non-disclosure agreement (NDA) needs to be signed to protect the confidentiality of contracting entity’s information. The NDA must be completed, stamped and signed. Once the NDA has been received and deemed complete, your organization may be added as a registered participant in the market consultation process. Upon confirmation and signing of the NDA, you will receive: • the consultation questionnaire (including supporting documentation); • further practical details regarding the process and timeline.
Key facts
Each fact is from the official notice, last checked 6 November 2026, 12:30 (UTC+01:00).
- Status
- ClosedOfficial notice · checked 6 Nov 2026, 12:30 (UTC+01:00)
- Deadline
- No deadline in the noticeOfficial notice · checked 6 Nov 2026, 12:30 (UTC+01:00)
- Buyer
- AquaDuctus Pipeline GmbH (a subsidiary of GASCADE Gastransport GmbH); supported by Worley Projects as appointed EPCM, Köln, DEOfficial notice · checked 6 Nov 2026, 12:30 (UTC+01:00)
- Place of performance
- Köln, Kreisfreie Stadt (DEA23)Official notice · checked 6 Nov 2026, 12:30 (UTC+01:00)
- Main CPV
- Flanges (CPV 44167110)Official notice · checked 6 Nov 2026, 12:30 (UTC+01:00)
- Procedure
- Other single stage procedureOfficial notice · checked 6 Nov 2026, 12:30 (UTC+01:00)
- Lots
- 1Official notice · checked 6 Nov 2026, 12:30 (UTC+01:00)
- First published
- 9 October 2026, 10:15 (UTC+02:00)Official notice · checked 6 Nov 2026, 12:30 (UTC+01:00)
Fact sheet
Lots (1)
Lot LOT-0000: Pre-Market Consultation – 48-inch Flanges for Offshore Hydrogen Pipeline
AquaDuctus Pipeline GmbH (contracting entity) is currently preparing the procurement strategy for an 48-inch offshore pipeline intended for the transportation of gaseous hydrogen in the North Sea. In this context contracting entity, supported by Worley Projects GmbH (acting as EPCm contractor for and on behalf of contracting entity), hereby invites your organisation to participate in a non-binding pre market consultation (Markterkundung) conducted in accordance with §26 of the German Sector Regulation (SektVO), as part of the applicable German legislation that implements European Union public tendering rules. This consultation is of a purely exploratory nature and serves exclusively to support contracting entity’s internal preparation of a potential future procurement procedure. Any information exchanged in the context of this consultation is purely informative, non binding, indicative only, and subject to change. Please note that this is not a request for quotation. This request does not constitute the launch of a procurement procedure and does not create any obligation for contracting entity to procure, tender, award or contract any scope of supply. Contracting entity reserves the right to decide on any further steps. Should a procurement need be identified following the completion of the pre market consultation, a formal procurement procedure will be initiated, provided the relevant conditions are met. Your feedback within the scope of this pre-market consultation is non-binding and will not affect your chances in any potential future procurement procedure. The purpose of this market consultation is to obtain non‑binding, high‑level information from potential market participants in order to: • Connect with the market to prepare our execution strategy. • Assess the technical feasibility and understand technical limitations associated with supplying 48-inch flanges for hydrogen service pipeline connections. • Understand manufacturing routes, qualification approaches and constraints. • Support the preparation of transparent, competition‑neutral tender documentation for a potential future procurement procedure. We are currently evaluating our sourcing needs and participants are invited to provide non binding and purely informative input on topics such as: • Design, Manufacture, and Testing capability for 48-inch flanges. • General experience with supply of flanges in hydrogen service. • Experience with supply of forged flanges and compliance with codes like ASME B16.47; ASME 31.12; DNV-ST-F101 and DNV-RP-0034 for hydrogen service. • Key technical risks relevant to this type of project. Should you be interested in participating, please confirm your interest by contacting the Single point of Contact mentioned above. Please note that first a non-disclosure agreement (NDA) needs to be signed to protect the confidentiality of the client’s information. The NDA must be completed, stamped and signed. Once the NDA has been received and deemed complete, your organization may be added as a registered participant in the market consultation process. Upon confirmation and signing of the NDA, you will receive: • the consultation questionnaire (including supporting documentation), and • further practical details regarding the process and timeline.
Timeline
- 9 October 2026, 10:15 (UTC+02:00): Original notice Notice, version 01 (Voluntary ex-ante transparency notice). Official notice
Buyer and place
Buyer
Place of performance
- Köln, Kreisfreie Stadt (DEA23)
Classification
CPV codes
- 44167110: Flanges
- 43131100: Offshore equipment
- 43135000: Subsea equipment
- 44161000: Pipelines
- 44161100: Gas pipelines
- 44161410: Subsea pipelines
- 44523300: Fittings
- 44163200: Pipe fittings
- 44163000: Pipes and fittings
- 44167300: Bends, tees and pipe fittings
- 34514800: Offshore platforms
- 44161400: Underwater pipeline
- 44161500: High-pressure pipeline
- 44160000: Pipeline, piping, pipes, casing, tubing and related items
NUTS regions
- DEA23: Köln, Kreisfreie Stadt
Official documents
No documents found in the indexed notice.
Questions and answers
Who is the buyer?
AquaDuctus Pipeline GmbH (a subsidiary of GASCADE Gastransport GmbH); supported by Worley Projects as appointed EPCM, Köln, DE.
What is being procured (CPV)?
Flanges (CPV 44167110), Offshore equipment (CPV 43131100), Subsea equipment (CPV 43135000), Pipelines (CPV 44161000), Gas pipelines (CPV 44161100), Subsea pipelines (CPV 44161410), Fittings (CPV 44523300), Pipe fittings (CPV 44163200) and 6 more.
Where is the work performed (NUTS)?
Köln, Kreisfreie Stadt (DEA23).
Is it divided into lots?
No, the notice names a single lot.
Which procedure is used?
Other single stage procedure.
How do I submit a bid?
On the official notice or the portal it names. Inteliwert does not submit bids. Official notice
Am I eligible?
Inteliwert does not judge eligibility. The selection criteria are in the official notice. Official notice
Source
- Publisher
- Bekanntmachungsservice
- Licence
- CC0 1.0
- Last checked
- 6 November 2026, 12:30 (UTC+01:00)
The official notice is authoritative. Inteliwert shows what the notice states and links to it.