Trenchless communications laying by the machine UGNB-4 of own production in Svetlograd, Stavropol Territory, January, 2011.
The pipe for a free-flow sewerage system was laid by the order of Svetlograd administration. The pipe declined on 3-4mm per a meter.
The whole length of the pipes was 536 meters, 4 pipes of the tubing were laid 200, 100, 200 and 36 meters length. The plastic pipe 225mm in diameter, SDR 13,6 was pulled. The pipeline laying depth varied from 2.5m to 5.6m.
The type of the soil was loamy sand. The ground consisted of 70-80% of sand. The main difficulties were deep occurrence of underground waters and bogged soil.
The work was carried out and completed for 8 days.