Reference Projects Pipelines and Plants

Underground Power Lines

High-voltage line from Niedertaufkirchen to Hörbering (southeast of Vilsbiburg, Germany)

Laying of a 110 kV line first newly built high-voltage line in Bavaria according to the regulations of the Energy Industry Act

Total length: 8,595 m; da 160; SDR 11

Drilling lengths: 50 - 350 m

The contract included the complete civil engineering work, construction of the site roads, laying of the protective pipes and a separate fiber optic protective pipe, the construction of eight 110 kV joint bays and the execution of nine road, river and stream crossings using the HDD method.


Horizontal directional drillings Emden-Conneforde (Germany)

Execution of horizontal directional drillings for the insertion of 380 kV alternating current high voltage lines
(Pilot project for the examination of the effect of underground cables within the 380 kV three-phase sector on the electric transmission system)
Total length of the drillings: 32,250 m; from da 75 to da 315 mm
Scope of work: horizontal directional drillings
In a joint-venture



Horizontal directional drillings for medium voltage power lines Plattling (Germany)

Execution of horizontal directional drillings underneath the river Isar for the expansion of medium voltage power lines in Plattling  
Total length: about 1,500 m (3 drillings of about 500 m each), DA 250
Directional drilling method; use of the self-developed, fully electric driven horizontal directional drilling rig HDD80-E


Executing Companies