References

PARTIAL NEW CONSTRUCTION OF GAS PIPELINE FGL 90 NEUBRANDENBURG-SPONHOLZ TO KLEIN TREBBOW

References

PARTIAL NEW CONSTRUCTION OF GAS PIPELINE FGL 90 NEUBRANDENBURG-SPONHOLZ TO KLEIN TREBBOW

Client

ONTRAS Gastransport GmbH

Contact person

Dipl.-Ing. Gerd-Dieter Berentzen

Start of construction

08/2019

Construction time

2 years

Scope of services

Replacement of a DN 400 high-pressure gas pipeline and 3 DN 300, DN 150 and DN 100 connecting pipes made of steel, including new construction of 3 shut-off or pigging sluice stations, 3 DN 400 pipe jackings and 1 DN 150 pipe jacking using the HDD method.

Technical specifications:

Diameter

DN 400: 406.4 x 6.3 mm

DN 150: 168.3 x 4.5 mm

DN 300: 323.9 x 6.3 mm

DN 100: 114.3 x 3.6 mm

Lengths

DN 400: 36,900 m

DN 150: 500 m

DN 300: 1,900 m

DN 100: 2,400 m

Material: L 245 NE

Design pressure: 25 bar

Welding process stem: E-hand (111)

Work carried out in pipeline construction:

Pipe trench excavation and backfilling

Site preparation and clearance

Dewatering work

Pipe jacking using the HDD method DN 150 and DN 400

Pipe transportation and export

Wrapping work

Geometry pigging

Road and asphalt road construction

Logging

Topsoil removal and application including deep loosening

Shoring work

Pipe jacking using the DN 400 jacking and drilling method

Culvert laying using dry and wet methods

Welding and pipe construction work

Pressure testing, calibration pigging and drying

Drainage work

Laying cable conduit system

Work carried out in station construction:

Site preparation and clearance

Dewatering work

Foundation and concrete work

Wrapping and coating work

Fence construction

Topsoil removal and application

Excavation and backfilling

Welding and pipe construction work

Surface work and surface reinforcement

All references