References

Replacement of pipelines – new construction using the HDD method

References

Replacement of pipelines – new construction using the HDD method

Client

Natural gas Münster

Contact person

Mr. Dipl.-Ing. Udo Mers

Start of construction

05/2016

Construction time

6 months

Scope of services

New laying of various pipelines using the HDD method in the Grafschaft Bentheim and Emsland districts.
New construction using the HDD method due to the dismantling of existing pipe bridges.

Technical specification:

Pipe diameter: DN 200 and DN 250

Material: L 360 NB

MOP: 100 bar

Total relocation length: 160 m DN 150 (Bathorn), 210 m DN 250 (Bathorn), 120 m DN 200 (Twist), 100 m DN 200 (Georgsdorf), 310 m DN 200 (Wietmarschen)

WORK CARRIED OUT:

Welding, testing, wrapping of pipe strings

Integration of the new pipelines into the existing gas network (partly sour gas)

Cold cuts by pipe cutter

Pulling in the pipe strings using the HDD method

Stress-relief annealing

Integration under respiratory protection

Pipe bridge built back

All references