Norddeich, Germany

Semco Maritime GmbH
Am Fischereihafen 1
26506 Norddeich/Norden
Germany

 

Company re. no. HRB 203884
Tax no. 2248 048 7440200

Deutsche Bucht: 5-year service agreement

    

Customer

Northland Power

Location

The Netherlands and offshore (North Sea)

Period

2019 (10 weeks) + 5-year service agreement

Project scope

Construction supervision and commissioning of the offshore substation (OSS) for the Deutsche Bucht wind farm. The scope also includes inspection feedback, creation of punch lists as well as hot and cold commissioning assistance during the offshore hook-up phase and maintenance from June 2019.

Deutsche Bucht

Nordsee One: 5-year service agreement

    

Customer

Innogy

Location

German North Sea

Period

2016 - 2021

Project scope

Five-year service contract covering service and maintenance of all systems on the Nordsee One offshore substation and transition pieces. The project covers both scheduled and unscheduled service. The service team is available 24/7/365 for maintenance and troubleshooting.

Nordsee One

Kriegers Flak A & B: Installation assistance

    

Customer

Energinet

Location

Rotterdam Fabrication and Kriegers Flak

Period

2018-2019

Project scope

Provision of offshore supervision for safe and efficient installation of all HV sea cables during the construction phase.

The job scope during the installation phase included management of scaffolding, supply of scaffolding equipment, cable pulling and supply of manpower.

Kriegers Flak A & B

Borkum Riffgrund 2: Bucket welding

    

Customer

Ørsted

Location

Cuxhaven, Germany

Period

2018 

Project scope

The scope of work included assembly and welding of 20 suction bucket jackets. Parts produced in Poland, but assembled and welded in Cuxhaven prior to offshore installation.

Borkum Riffgrund 2

Borkum Riffgrund 2: OSS light installation

    

Customer

Ørsted

Location

German North Sea

Period

2018

Project scope

Installation of OSS light container (20’) with 33 kV switchgear on OSS jacket for BKR02. The installation also included welding and clamp-on interface plate/beams for the support of equipment. The offshore installation was supported by a supply offshore vessel (SOV).

Borkum Bucket oss light

Wikinger: Commissioning services

    

Customer

Iberdrola

Location

German North Sea

Period

2016 - ongoing

Project scope

HV commissioning and energisation of offshore substation. Implementation and supervision of all electrical safety aspects. Day-to-day platform operation during the construction and interim operation phases and final handover for permanent power transmission.

Wikinger, Iberdrola

Global Tech 1: Service and modifications

    

Customer

Global Tech 1 Offshore Wind

Location

German North Sea

Period

2017 - 2018 

Project scope

Service jobs: Fire alarm and firefighting systems, oil-water separator, HVAC system etc. Modification jobs (new automated hatch, upgrade of seawater cooling system, upgrade of HVAC system, corrosion protection campaign ’18. Complete EPCI and multidisciplinary offshore commissioning jobs.

Global Tech One service and modifications

Baltic 2: Service tasks

    

Customer

EnBW Baltic 2 s.c.s.

Location

German part of the Baltic Sea

Period

2017 - 2018 

Project scope

Semco Maritime provided:

  • Various service tasks and all associated spare parts, filters, lubrication oil etc. for this offshore substation.
  • Emergency diesel system, engines and alternators serviced on an annual basis.
  • Annual test of fire and alarm system.
  • Annual HVAC test/service including freshwater/saltwater systems, air-con compressors, fire dampers etc.

Baltic 2 - service tasks

Sandbank: 24-7 surveillance and service

    

Customer

Vattenfall

Location

German North Sea

Period

2017

Project scope

The scope included 24-7 surveillance of all systems, including service and maintenance of various systems. The wind farm is monitored via the SCADA system. Service and maintenance of all auxiliary and safety systems such as transformers, diesel generators, low-voltage (LV) system, fire alarm system (FAS), fire extinguishing system (FES) and PA/GA CCTV.

Sandbank Offshore Substation

DanTysk: Service

    

Customer

Vattenfall

Location

German North Sea

Period

2017

Project scope

Annual test of fire alarm system and fire extinguishing system on offshore substation and accommodation platform, including test of interfaces to auxiliary systems, e.g. SCADA, ESD, CCTV, PA/GA and diesel generators. Test is performed according to regulations and operation/maintenance manuals.

DanTysk

Nissum Bredning: Lighting fixtures

    

Customer

Aarsleff / Nissum Bredning Vindmøllelaug

Location

German North Sea

Period

2017

Project scope

Installation of lighting fixture on four test transition pieces (TPs). Earthing of all lighting brackets, cable ladders, handrail and davit crane. Connection of earthing to armouring. Measuring of resistances less than 10 ohm. For the first time in the world, the structure of the TPs was made inconcrete.

 

Nissum Bredning Lighting fixtures

Borkum Riffgrund 1: Service

    

Customer

Ørsted

Location

German North Sea

Period

2016 - 2017

Project scope

Test of LED HAPI lights on helideck, test of SCADA system and fire alarms, update of UPS system (change of batteries), engineering of oil separator PPM equipment, modification of navigation light and testing of weather forecast systems and HVAC.

Borkum 1

Burbo Bank: SCADA and TETRA

    

Customer

Ørsted

Location

UK North Sea

Period

2016

Project scope

Installation of TETRA system as well as installation of fibre cables for more than 10,000 connections. Coordination of workflow between sub-suppliers and owner of Burbo Bank offshore substation:

  • Installation of backbone for SCADA system
  • Connection to SCADA system
  • TETRA system
  • RAMS and service report

Burbo Bank SCADA and TETRA

Gode Wind 1 & 2: Service

    

Customer

Ørsted

Location

German North Sea

Period

2016

Project scope

Service and modification of various systems on the Gode Wind 1 & 2 offshore substations. The contract also included an Overall Lead Manager responsible for both substations and for day-to-day planning, supervision, progress reports, communication and coordination with subsuppliers etc.

Gode Wind 1 and 2

Nordsee Ost: Service

    

Customer

Innogy

Location

German North Sea

Period

2016

Project scope

Annual test of fire alarm system including all interfaces to auxiliary systems, e.g. fire extinguishing, SCADA, ESD, CCTV, PA/GA and diesel generators. Testing is carried out according to regulations and operation/maintenance manuals.

Nordsee Ost: Service

Race Bank: Service

    

Customer

Ørsted

Location

UK North Sea

Period

2016

Project scope

Installation of TETRA system as well as installation of fibre cables for more than 10,000 connections. Coordination of workflow between subsuppliers and owner of offshore substation: Installation of backbone for SCADA system, connection to SCADA system, TETRA system, RAMS and service report.

Race Bank (ROW01)