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References

Construction of the Neckarenztal pipeline (NET) – high-pressure gas pipeline DN 500 made of steel, incl. 17 pipe jackings DN 500

References

Construction of the Neckarenztal pipeline (NET) – high-pressure gas pipeline DN 500 made of steel, incl. 17 pipe jackings DN 500

Client

terranets bw GmbH

Contact person

Dipl.-Ing. Gerd-Dieter Berentzen

Start of construction

12/2021

Construction time

12 months

A worker wearing protective gear uses a grinder on a large metal pipe, creating bright sparks. The scene takes place inside an industrial facility with machinery and chains visible in the background.
Two large cranes and an excavator install a long metal pipeline in a trench along a construction site, with a bridge and green landscape in the background under a clear blue sky.
Workers and heavy machinery surround a large pipeline on a dirt construction site under clear skies, with power lines and utility poles visible in the background.
Construction workers install a large metal pipeline in a dirt field under a clear blue sky, using heavy machinery and equipment.
A worker wearing protective gear uses a grinder on a large metal pipe, creating bright sparks. The scene takes place inside an industrial facility with machinery and chains visible in the background.

Scope of services

Construction of a DN 500 high-pressure gas pipeline made of steel, including 17 DN 500 pipe jackings using the press-boring method, culvert laying through the Enz river and laying the pipeline on slopes with an inclination of up to 55°.

Two large cranes and an excavator install a long metal pipeline in a trench along a construction site, with a bridge and green landscape in the background under a clear blue sky.

Technical specifications:

Diameter: 508 x 10.0/11.0/12.5 mm

Material: L 360 ME

Welding process stem: automatic welding (135)

Length: 28,400 m

Design pressure: 80 bar

Coating: PE/FZM (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

Road and asphalt road construction

Topsoil removal and application including deep loosening

Shoring work

Pipe jacking using the DN 500 press drilling method

Working on slopes

Pipe transportation and export

Wrapping work

Laying cable conduit system

Drainage work

All references