Contract for 2.9 km x 3.6 m-diameter tunnel with enclosed 2.1 m-diameter sewer pipe awarded by Commission of Jefferson County to Affholder/Roland Pugh jv value $15.6 million for competion February, 2002. Geology is shale underlying silts and sands, and mixed face conditions will merit Lovat 3.6 m EPB fitted with rock head and erecting rib and lagging, starting early-May. Carrier pipe will be grouted into annulus. Project design for PWD by Hendon Engineering Associates. Visit www.lovat.com May 2000.
