A 7, extension T+R Hasselberg-West

Pick up and reinstall approx. 40,000 m3 of soil; pick up and dispose of approx. 20,000 m3 of soil; improve approx. 35,000 m2 of soil; make approx. 20,000 m2 of asphalt; produce approx. 12,000 m2 of concrete pavement; lay approx. 3,300 m of drainage pipe; produce 1 rain retention basin and supply lines embarrassed