References

HDL 108 Burgkirchen – Altheim Austria

References

HDL 108 Burgkirchen – Altheim Austria

Client

Netz Oberösterreich GmbH

Contact person

Dipl.-Ing. Gerd-Dieter Berentzen

Start of construction

05/2014

Construction time

5 months

Scope of services

Complete earthworks for the construction of a DN 150 high-pressure gas pipeline made of steel including bending measurement, lowering work and pressure tests: 10.8 km, DN 150, PN 70

Work carried out:

Site preparation and clearance

Dewatering work

Pipe trench excavation and backfilling

HDD Mattig

Pipe transportation and export, incl. lowering

Laying cable conduit system

Road and asphalt road construction

Topsoil removal and application incl. Liming, stone crushing, deep loosening, rocking coulter and hydro-vibratory loosening

Shoring work

Pipe jacking using the jack and drill method

Culvert laying

Pressure testing, calibration pigging and drying

Drainage work

Technical specification:

Diameter: 168.3 x 4.5 and 168.3 x 7.1 mm

Material: L 290 NB/L360 NB

Welding process stem: E-hand

Length: 10,800 m

Design pressure: 70 bar

All references