North West Water $30 million design and construct contract awarded to AMEC Tunnelling for 2.02 km, 2.85 m diameter sewer in glacial alluvium containing clay and sandy deposits at maximum depth of 17 m using Lovat EPB and 350 m, 1.5 m diameter using Iseki Unclemole, and four shafts from 6 m to 9 m diameter and two branch connections. Bechtel Water Technology is consultant. February 1999.
