References

Securing the DN 700, DN 1100 and DN 1200 pipes in Kleingründlach

References

Securing the DN 700, DN 1100 and DN 1200 pipes in Kleingründlach

Client

Open Grid Europe GmbH

Contact person

Dipl.-Ing. Gerd-Dieter Berentzen

Start of construction

10/2014

Construction time

6 months

Scope of services

Safety measures on the DN 700 (line 451), DN 1100 (line 51) and DN 1200 (line 26/3) high-pressure gas pipelines laid in parallel and in operation.

Exposing the above-mentioned pipes, checking the seams and insulation, insulating the exposed pipes and shortening the DN 950, DN 1300 and DN 1500 protective pipes

Technical specifications:

Diameter: DN 700, DN 1100 and DN 1200

Material: L 485 NB

Length: 120 m

Design pressure: 100 bar

Work carried out:

Site preparation and clearance

Dewatering work

Pipe trench excavation and backfilling

Exposing and shortening the protective pipes on the DB railroad and Kleingründlacher-Straße

Restoration and surface work

Creating and dismantling storage areas and spaces

Shoring work

Checking the weld seams

Wrapping work

All references