Horizontal Directional Drilling System TERRA MINI-JET MJ 1600 Excavator frame shortens MINI-JET installation time City: Contractor: Length: New pipe: Inclination : Backreamings: Machine: Underground: Saint Benoît la Foret/France M/s Humbert/ Les Ponts de Cé 47 m and 28 m (155 ft and 93 ft) HDPE pipe OD 200 x 11.9 mm (8“ x 0.5“) 0% - 1% 160 m, 215 m and 260 mm (6.3“, 8.5“ and 10“) TERRA MINI-JET MJ 1600 with excavator frame hard dry clay with gravel The TERRA MINI-JET MJ 1600 with excavator frame. The hydraulics of the excavator drive the MJ 1600. The excavator is a Schaeff-Terix HR 18 with 34.6 kW power and an operating weight of 4’680 kg (10’300” lbs). The quick release fastener is klicked in. The TERRA MINI-JET MJ 1600 with excavator frame in the starting pit. The installation is finished after a few minutes, the pilot bore may beginn. I:\MS\Baustelle\englisch\MJ 1600\bau-137e (47+28m, dia 260mm, HDPE 200mm, France).doc Seite 1 von 2 LN-29.07.2010

Horizontal Directional Drilling System TERRA MINI-JET MJ 1600 The locator is calibrated just before the pilot bore. The special drill rods of the TERRA MINI-JET allow minimum turning radiuses of 15 m (50“). This is unique world wide. The TERRA MINI-JET MJ 1600 with excavator frame during the back reaming and pipe pulling. The HDPE pipe OD 200 mm (8”) is pulled in over a length of 47 m (155 ft) The 60 m (200 ft) long HDPE pipe OD 200 mm x 11.9 mm (8“ x 0.5“) is laid out at the arrival pit. It is ready for pipe pulling. TERRA AG, Industriestrasse 1, 4805 Brittnau, Switzerland, phone.: +41-62-751...