Offshore Substation Maintenance Steelstructure

Execution of corrosion protection and maintenance works on the steel structure of the offshore substation above the water line for the years 2026 - 2028 and optional prolongation for the years 2029 and 2030. The scope of work comprises the repair of corrosion protection and other maintenance activities on the …

CPV: 76521000 Offshore installation services
Place of execution:
Offshore Substation Maintenance Steelstructure
Awarding body:
Infrastruktur Windkraftwerk Borkum GmbH & Co. KG
Award number:
20250805

1. Buyer

1.1 Buyer

Official name : Infrastruktur Windkraftwerk Borkum GmbH & Co. KG
Activity of the contracting entity : Electricity-related activities

2. Procedure

2.1 Procedure

Title : Offshore Substation Maintenance Steelstructure
Description : Execution of corrosion protection and maintenance works on the steel structure of the offshore substation above the water line for the years 2026 - 2028 and optional prolongation for the years 2029 and 2030.
Procedure identifier : 50c251bc-dc26-4fc6-982c-d9bb1299ca4e
Internal identifier : 20250805
Type of procedure : Negotiated with prior publication of a call for competition / competitive with negotiation
The procedure is accelerated : no
Main features of the procedure : see tender instructions

2.1.1 Purpose

Main nature of the contract : Services
Main classification ( cpv ): 76521000 Offshore installation services

2.1.2 Place of performance

Town : Trianel Windpark Borkum (North Sea)
Country subdivision (NUTS) : Leer ( DE94C )
Country : Germany
Additional information : German Exclusive Economic Zone (EEZ) Trianel Windpark Borkum (North Sea)

2.1.4 General information

Additional information : Bekanntmachungs-ID: CXP4Y0Y57DA
Legal basis :
Directive 2014/25/EU
sektvo -

5. Lot

5.1 Lot technical ID : LOT-0001

Title : Offshore Substation Maintenance Steelstructure
Description : The scope of work comprises the repair of corrosion protection and other maintenance activities on the steel structure of the offshore substation. Coating repairs include damaged areas on the ceiling construction of the spider deck, cellar deck, mezzanine deck, and main deck, as well as on the jacket structure above the waterline and selected spot repairs. In 2026, these works will specifically cover the repair of containers on various decks, as well as coating activities on the jacket structure, spider deck, and other designated areas that will be defined later. Special projects in 2026 shall include the refurbishment of the helideck and the replacement of seawater cooling pipes. Maintenance works also include annual inspections of the steel structure above the waterline, with a focus on gratings, railings, staircases, ladders, and a selected number of containers. Further tasks comprise bolt replacements, repair of flange seals, and continued attention to key components such as the main staircase from the main deck to the helideck and the J-tube flanges at the gangway level of the jacket structure.
Internal identifier : 20250805

5.1.1 Purpose

Main nature of the contract : Services
Main classification ( cpv ): 76521000 Offshore installation services

5.1.2 Place of performance

Town : Trianel Windpark Borkum (North Sea)
Country subdivision (NUTS) : Leer ( DE94C )
Country : Germany
Additional information : German Exclusive Economic Zone (EEZ) Trianel Windpark Borkum (North Sea)

5.1.3 Estimated duration

Start date : 01/01/2026
Duration end date : 31/12/2028

5.1.4 Renewal

Maximum renewals : 2
Other information about renewals : optional prolongation for the years 2029 and 2030.

5.1.6 General information

Reserved participation : Participation is not reserved.
The names and professional qualifications of the staff assigned to perform the contract must be given : Not required
Procurement Project not financed with EU Funds.
The procurement is covered by the Government Procurement Agreement (GPA) : no
This procurement is also suitable for small and medium-sized enterprises (SMEs) : no

5.1.7 Strategic procurement

Aim of strategic procurement : No strategic procurement

5.1.9 Selection criteria

Sources of selection criteria : Notice
Criterion : Measures for ensuring quality
Description : see tender documents "suitability criteria"
Criterion : References on specified services
Description : see tender documents "suitability criteria"
The criteria will be used to select the candidates to be invited for the second stage of the procedure
Maximum number of tenders passing : 3
Information about the second stage of a two-stage procedure :
Minimum number of candidates to be invited for the second stage of the procedure : 1
Maximum number of candidates to be invited for the second stage of the procedure : 3
The procedure will take place in successive stages. At each stage, some participants may be eliminated

5.1.10 Award criteria

Criterion :
Type : Price
Name : Commercial Criteria
Description : see tender documents
Category of award threshold criterion : Weight (points, exact)
Award criterion number : 60
Criterion :
Type : Quality
Name : Quality criteria
Description : see tender documents
Category of award threshold criterion : Weight (points, exact)
Award criterion number : 40

5.1.11 Procurement documents

Languages in which the procurement documents are officially available : English
Deadline for requesting additional information : 03/09/2025 23:59 +02:00
Ad hoc communication channel :

5.1.12 Terms of procurement

Terms of the procedure :
Estimated date of dispatch of the invitations to submit tenders : 24/09/2025
Terms of submission :
Electronic submission : Required
Languages in which tenders or requests to participate may be submitted : German, English
Electronic catalogue : Not allowed
Variants : Not allowed
Tenderers may submit more than one tender : Not allowed
Deadline for receipt of requests to participate : 12/09/2025 11:00 +02:00
Information that can be supplemented after the submission deadline :
At the discretion of the buyer, all missing tenderer-related documents may be submitted later.
Additional information : The bidder is authorised to submit specicific data / documentation upon request of the contracting authority.
Terms of contract :
The execution of the contract must be performed within the framework of sheltered employment programmes : No
Conditions relating to the performance of the contract : see tender documents
Electronic ordering will be used : no
Electronic payment will be used : no
Financial arrangement : see tender documents

5.1.15 Techniques

Framework agreement :
No framework agreement
Information about the dynamic purchasing system :
No dynamic purchase system

5.1.16 Further information, mediation and review

Review organisation : Vergabekammer Niedersachsen beim Nds. Ministerium für Wirtschaft, Verkehr und Bauen
Organisation providing additional information about the procurement procedure : Infrastruktur Windkraftwerk Borkum GmbH & Co. KG
Organisation providing more information on the review procedures : Vergabekammer Niedersachsen beim Nds. Ministerium für Wirtschaft, Verkehr und Bauen
Organisation receiving requests to participate : Infrastruktur Windkraftwerk Borkum GmbH & Co. KG

8. Organisations

8.1 ORG-0001

Official name : Infrastruktur Windkraftwerk Borkum GmbH & Co. KG
Registration number : HRA 205387
Postal address : Tirpitzstraße 39
Town : Oldenburg
Postcode : 26122
Country subdivision (NUTS) : Oldenburg (Oldenburg), Kreisfreie Stadt ( DE943 )
Country : Germany
Telephone : +49 40 4600 179 242
Roles of this organisation :
Buyer
Organisation providing additional information about the procurement procedure
Organisation receiving requests to participate

8.1 ORG-0002

Official name : Vergabekammer Niedersachsen beim Nds. Ministerium für Wirtschaft, Verkehr und Bauen
Registration number : t: 04131152943
Postal address : Auf der Hude 2
Town : Lüneburg
Postcode : 21339
Country subdivision (NUTS) : Lüneburg, Landkreis ( DE935 )
Country : Germany
Telephone : 04131152943
Roles of this organisation :
Review organisation
Organisation providing more information on the review procedures

8.1 ORG-0003

Official name : Datenservice Öffentlicher Einkauf (in Verantwortung des Beschaffungsamts des BMI)
Registration number : 0204:994-DOEVD-83
Town : Bonn
Postcode : 53119
Country subdivision (NUTS) : Bonn, Kreisfreie Stadt ( DEA22 )
Country : Germany
Telephone : +49228996100
Roles of this organisation :
TED eSender

Notice information

Notice identifier/version : 3d345f01-af09-4283-9952-a12ae06adffd - 01
Form type : Competition
Notice type : Contract or concession notice – standard regime
Notice dispatch date : 11/08/2025 11:46 +02:00
Languages in which this notice is officially available : English
Notice publication number : 00526862-2025
OJ S issue number : 153/2025
Publication date : 12/08/2025