Horizontal Directional Drilling System TERRA MINI-JET Powerful - TERRA MINI-JET lays HDPE pipes OD 225 mm in 50 m length with backreamer 300 mm City: Contractor: Length: New pipe: Machine: Drilling fluid: Underground: Münster/Germany M/s Gerhard Rode Rohrleitungsbau GmbH & Co. of Münster/Germany 50 m 4 x HDPE pipe OD 225 mm TERRA MINI-JET special bentonite MAX BORE HDD Clay, gravel, dry and compacted The TERRA MINI-JET in the shored working pit during the pilot bore. View to the starting pit. The HDPE pipes OD 225 mm are laid underneath this road and parking area. I:\MS\Baustelle\englisch\MJ 1400\bau-066e.doc. This truck with rear crane was purchased by M/s Gerhard Rode especially for the TERRA MINI-JET. 1/2 al-28.09.10

Horizontal Directional Drilling System TERRA MINI-JET Pic. left: The pipe pulling has began. The 0.5 m long drill rods are pulled into the pit frame and disassembled. Pic. right: M/s Gerhard Rode has built their own rod boxes. They allow the cleaning of the drill rods either outside or inside. Pic. left: One of the 4 HDPE pipes OD 225 mm is successfully pulled in. TERRA AG, Industriestrasse 1, 4805 Brittnau, Switzerland, phone: +41-62-751 24 52, fax: +41-62-751 40 46, e-mail: [email protected], Internet: www.terra-eu.eu I:\MS\Baustelle\englisch\MJ 1400\bau-066e.doc. 2/2 al-28.09.10