References

NEL line section: Achim – Hittbergen / Winsen southern variant

References

NEL line section: Achim – Hittbergen / Winsen southern variant

Client

Open Grid Europe GmbH / Gasunie Deutschland GmbH & Co. KG

Contact person

Dipl.-Ing. Gerd-Dieter Berentzen

Start of construction

01/2013

Construction time

14 months

Scope of services

Construction of a high-pressure gas pipeline DN 1400 made of steel, incl. construction of 3 shut-off and pigging stations: 35 km, DN 1200, PN 100

Technical specifications:

Diameter: 1,420 x 22.3 mm

Material: L 485 MB

Welding process stem: Automatic welding

Length: 35,000 m

Design pressure: 100 bar

Work carried out on pipeline construction:

Site preparation and clearance

Dewatering work

Pipe trench excavation and backfilling

Pipe jacking using the Easy Pipe method DN 1400

Culvert laying

Welding and pipe construction work

Laying cable conduit system

Cathodic corrosion protection work

Road and asphalt road construction

Topsoil removal and application including deep loosening

Shoring work

Pipe jacking using the jack and drill method

Pipe jacking using the DN 1400 micro tunneling method

Pipe transportation and export

Wrapping work

Pressure testing, calibration pigging and drying

Drainage work

Work carried out on station construction:

Site preparation and clearance

Dewatering

Excavation and backfilling

Welding and pipe construction work

Laying cable conduit system

Surface work and surface reinforcement

Topsoil removal and application

Shoring work

Foundation and concrete work

Wrapping and coating work

Drainage work

Fence construction

All references