References

NEW CONSTRUCTION OF GAS CONNECTION PIPELINE WILHELMSHAVEN-LEER (LOT 2)

References

NEW CONSTRUCTION OF GAS CONNECTION PIPELINE WILHELMSHAVEN-LEER (LOT 2)

Client

EWE Netz GmbH

Contact person

Dipl.-Ing. Berentzen

Start of construction

01/2023

Construction time

12 months

Scope of services

Construction of a DN 600 high-pressure gas pipeline made of steel, incl. 11 HDD drillings (6,980 m); 3 direct pipe drillings (219 m); 3 microtunnels (325 m); 44 pile-drivings (1,327 m); 2 horizontal drillings (127 m); 8 drillings with pilot pipe jacking (447 m) and 81 culverts, as well as the crossing of 2 highways and a railroad line. Two sluice gates and a pigging station were also built.

Technical specifications:

Diameter: 610 x 14.3/15.9/16.2 mm

Material: L 360 NE

Welding process stem: automatic welding (135)

Length: 38,000 m

Design pressure: 100 bar

Coating: PE (open laying) and PE/GRP (pipe jacking)

Work carried out:

Site preparation and clearance

Dewatering work

Pipe trench excavation and backfilling

Culvert laying using dry and wet methods

Liquid soil installation

Welding and pipe construction work

Pressure testing and pipe drying

Cathodic corrosion protection work

Topsoil removal and application incl. Deep loosening

Shoring work

Pipe jacking using various methods DN 600

Intersections of highways and railroad lines

Pipe transportation and export

Wrapping work

Laying cable conduit system

Road and asphalt road construction