Crew transfer vessel at an offshore facility

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References

Projects we are
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Offshore wind farms, substations, converter platforms, and onshore facilities - filter by service area or sort by year and project duration.

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Reference overview

Selected projects in detail.

Every project can be viewed in full: initial situation, approach, results, and project data.

Maintenance of the substation platform at the Trianel wind farm Borkum

Annual campaigns since 2022

Trianel Wind Farm Borkum · North Sea

Maintenance of the substation platform at the Trianel wind farm Borkum

The substation is the heart of an offshore wind farm, yet its exposed steel structure is constantly subjected to harsh, corrosive sea air. mh² maintains this structure under a multi-year maintenance contract, covering everything from recurring inspections and coating or steelwork repairs to complex modification projects.

Client

Trianel

Duration

Multi-week campaigns per year

Role

general contractor

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Coating repair at the Global Tech I offshore wind farm

Annual campaigns since 2016

Global Tech I Offshore Wind Farm · North Sea

Coating repair at the Global Tech I offshore wind farm

Saltwater, constant humidity, and mechanical stress take a permanent toll on the protective coatings of foundation structures. Since 2016, mh² has kept the coatings of 80 tripod foundations at Global Tech I in good condition through annual campaigns, rope access technology, and digital documentation.

Client

Global Tech I

Duration

4 weeks per campaign

Role

specialist trade

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Inspection and maintenance at the Merkur offshore wind farm

Annual campaigns since 2020

Merkur Offshore Wind Farm · North Sea

Inspection and maintenance at the Merkur offshore wind farm

How can 66 offshore locations be inspected and maintained in a single campaign regarding structural, safety, and electrical requirements? mh² bundled technical disciplines, CTV logistics, documentation, and minor repairs into a coordinated overall concept.

Client

Merkur Offshore

Duration

approx. 4 weeks per campaign

Role

general contractor

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Modification of the Cable Access Tower on HelWin alpha

2019–2023

HelWin alpha offshore platform · North Sea

Modification of the Cable Access Tower on HelWin alpha

Limited installation space, existing cable systems, and demanding welding work: for the modification of the Cable Access Tower on HelWin alpha, mh² developed an end-to-end solution from the initial site survey to offshore execution.

Client

TenneT

Duration

2019–2023

Role

general contractor

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Switchgear replacement at 60 offshore wind turbines in Baltic 2

June–September 2021

Baltic 2 Offshore Wind Farm · Baltic Sea

Switchgear replacement at 60 offshore wind turbines in Baltic 2

60 wind turbines, two different platform types, and complex component transport: for Baltic 2, mh² organized the series replacement of gas tanks in Flusarc medium-voltage switchgear, managing the entire process from work preparation to final electrical testing.

Client

GE / EnBW

Duration

4 months

Role

general contractor

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New access tower fixation on the DanTysk OAP

Spring 2020

DanTysk Offshore Accommodation Platform · North Sea

New access tower fixation on the DanTysk OAP

Following a storm, the access tower of the DanTysk offshore accommodation platform had become twisted. mh² replaced the deformed rubber fenders with steel cones and reinforced the existing structure.

Client

Vattenfall

Duration

2020

Role

general contractor

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Boat landing refit on the offshore transformer platform

2020 · Offshore acceptance

Offshore Transformer Platform · North Sea

Boat landing refit on the offshore transformer platform

When a boat landing king post failed and fell into the water, the safe docking of crew transfer vessels could no longer be guaranteed. mh² coordinated and executed the complete refit, from offshore decommissioning and the fabrication of the modified replacement component to installation, testing, and successful recommissioning.

Client

TenneT Offshore GmbH

Duration

approx. 3 months

Role

general contractor and specialist trade

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August–October 2018

BorWin beta offshore platform · North Sea

CAT link refurbishment on BorWin beta

A damaged connection between the topside and the cable access tower increased the risk of failure. mh² replaced the critical CAT link with a new, permanent connection – while the platform remained in operation.

Client

TenneT

Duration

approx. 10 weeks

Role

general contractor

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