Reference projects
Documented results across segments
A selection of deliveries from the SIGRA group — from internal pipe rehabilitation on Equinor platforms to fully electric composite vessels. Filter by market to see relevant cases.
Photo: EquinorOffshore · Pipeliner
NCS operator 2024
DN600 and DN400 internal pipe rehabilitation. Equinor TR3016 pre-approved. Carried out without production downtime.
90%
Reduced steel consumption vs. pipe replacement
0
Personnel inside pipe during operation
Offshore · Odda Plast + Pipeliner
Aibel Kollsnes — GRE fire water piping
GRE system for fire water at the Kollsnes process plant. Complete production and installation of GRE piping system under Aibel's EPC contract. Odda Plast manufactures, Pipeliner installs.
GRE
Complete system — production and installation
Aibel
EPC contract Kollsnes
Photo: BolidenOffshore · Industry · Odda Plast
Boliden Odda — ongoing framework agreement
Ongoing framework agreement for process pipes and components at Boliden Odda.
Framework agreement
Ongoing delivery
Odda Plast
Process pipes and components
Photo: EquinorOffshore · Pipeliner · Oxiblast
Sleipner T — tank blasting
Robot-based Oxiblast blasting of a tank on Sleipner T. Autonomous sandblasting with no personnel inside the tank throughout the operation.
0
Personnel inside tank during blasting
ATEX EX Zone 1
Approved equipment
Photo: EquinorIndustry · Pipeliner · Oxiblast
Mongstad Refinery — Oxiblast in acid tank
Robot-based Oxiblast blasting in an acid tank at the Mongstad refinery. Autonomous sandblasting eliminates personnel exposure to an aggressive chemical environment.
0
Personnel exposure to acid environment
ATEX EX Zone 1
Approved equipment
Photo: Olav Opheim / Wind Naval ArchitectsMaritime · Herde Kompositt
Brim Explorer
Fully electric carbon-fiber trimaran, 27 meters, 200 pax.
Energy efficient
Goal is to build the world's most energy-efficient vessel in its segment
Carbon-fiber hull
Delivers low weight, low maintenance costs and long service life
Photo: HykeMaritime · Herde Kompositt
Hyke
The future transport solution for expedition and sightseeing. Fully outfitted boat delivered from our production facility at Årsnes.
Turnkey delivery
Delivered turnkey at sea, ready to enter service
Zero emissions
Fully electric operation
Maintenance · Pipeliner + KB Stålindustri
Knutsen NYK
Pipe rehabilitation, surface treatment and steel work. All disciplines coordinated against the maintenance schedule.
1
Supplier for all disciplines
Schedule
Within the agreed window
Photo: Audun DahlAquaculture · Herde Kompositt
Egget ® for Ovum
Floating closed fish farming facility. Delivery of 2 units.
NS 9415 & the NYTEK regulations
Built to meet all regulatory requirements
Sustainable aquaculture
Biological control and fish welfare
Aquaculture · Odda Plast
Tytlandsvik Aqua — land-based PE pipe system
Complete PE piping system for Tytlandsvik Aqua's land-based fish farming facility. Large-diameter PE pipes — engineering, fabrication and installation.
PE
Large diameters
Complete
Engineering → installation
Aquaculture · Pipeliner
Proximar Seafood — Japan (No Dig)
Repair of buried pipes beneath the tanks at a land-based facility outside Tokyo — trenchless (No Dig), with no excavation.
No Dig
Trenchless relining
0
Excavation required
Aquaculture · Odda Plast
220 m³ sludge tank
220 m³ welded PE sludge tank — engineered, manufactured and transported by sea to the facility.
220 m³
Welded PE sludge tank
Sea transport
Towed to the facility
Aquaculture · KB Stålindustri
Structures for aquaculture
Complete steel and aluminum structures: feed barge booms, platforms, containers and thermolicing facilities.
~60
Thermolicers produced
Steel + aluminum
Engineering → installation
Municipal Water & Wastewater · Pipeliner
Bergen Municipality 2025
400m DN400 drinking water main. DieDraw™ method. No excavation, no traffic disruption.
0 m
Excavation — trenchless end to end
40–70%
Lower cost than full pipe replacement
Municipal Water & Wastewater · Pipeliner
City of Oslo — Eikenga
DN200, 97m. Full-structural lining per NS-EN ISO 11295 Class A. Secured water supply after repeated failures — no excavation.
97 m
DN200 rehabilitated
Class A
ISO 11295 certified
Municipal Water & Wastewater · Pipeliner
Kongsberg Municipality — Gromsrudveien
DN400, 365m. DieDraw™ method. Subcontract for Implenia — the Norwegian Public Roads Administration wanted no excavation on the new county road. 100-year guaranteed service life.
365 m
DN400 — DieDraw™
100 years
Guaranteed service life
No published projects in this segment yet. Get in touch for relevant references.
Municipal Water & Wastewater — documented projects
Pipe rehabilitation for Norwegian municipalities
All projects carried out with third-party approved products for drinking water and wastewater.
| Project | Dimension | Method | Year | Approval |
|---|---|---|---|---|
| Bergen Municipality — StemmeveienCast iron pipe from 1865 — 100m | DN550 / DN300 | Full-structural lining IBB16 | 2022 | ISO 11295 |
| City of Oslo — EikengaSecured water supply after repeated failures | DN200 | Full-structural lining | 2023 | Class A |
| Kongsberg — GromsrudveienImplenia subcontract — new county road | DN400 | DieDraw™ | 2022 | 100-year guarantee |
| Bergen Municipality — DN400No excavation, no traffic disruption | DN400 | DieDraw™ | 2025/2026 | Drinking water approved |
Selected clients
Equinor
Aibel
Boliden Odda
Brim Explorer
Hyke
Knutsen NYK
Ovum
Tytlandsvik Aqua
Proximar Seafood
Bergen Municipality
City of Oslo
Kongsberg Municipality
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