Fresh water line for steel company City:
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Horizontal Directional Drilling System TERRA MINI-JET/LV Fresh water line for steel company City: Contractor: Contractor: Length: Depth: Machine: Pipe to be pulled in: Drilling fluid: Underground: Gerlafingen, canton Solothurn, Switzerland M/s Sutter/Gerlafingen M/s Andreas Bernhard/Langenthal 30 m 3m TERRA MINI-JET/LV PE-HD pipe OD 32 mm Special-Bentonite BENTONIL HDG during the beginning: clay, at the end: compacted gravel Pic. above left: The TERRA MINI-JET/LV in the 3 m deep starting pit during the pilot bore. I:\MS\Baustelle\englisch\MJLV 1400\bau-016e.doc-AS-18.06.02page 1 of 2 Pic. above right: The drill head is continously located during the pilot bore. Thereby it reaches the arrival pit right on target. AS-14.12.2011

Horizontal Directional Drilling System TERRA MINI-JET/LV Pic. right: The TERRA MINI-JET/LV during the pilot bore. A new drill rod is lifted into the HDD system. Pic. left: The pit frame is transported on the truck, all other components on this trailer. Pic. right: The hydraulic power pack TERRA MINI-JET Pic. left: The backreaming of the water line starts. TERRA AG, Industriestrasse 1, 4805 Brittnau, Switzerland, Tel.: +41-62-751 24 52, Fax: +41-62-751 40 46, E-mail: terra.ch@bluewin.ch, Internet: www.terra-de.de I:\MS\Baustelle\englisch\MJLV 1400\bau-016e.doc-AS-18.06.02page 2 of 2...