Nancy Creek Tunnel Contract FC-7377-01
Two rock tunnels totalling 43,700' long, both 16' ID; and 2,200' of various smaller connecting tunnels, for storage and conveyance of wastewater to a WTP. From 100 to 260' deep. Also three 32' dia by 150' deep drill & shoot construction shafts, 8 smaller drilled intake shafts from 150' to 200' deep, 2 vent shafts. Cast-in-place concrete lining. Storm Sewers.