Northbank Civil and Marine, Inc. was just awarded the Lower Granite Dam PIT Tag Monitoring Installation Design-Build project for $5,711,972. Design will start immediately and onsite work is scheduled to begin in September 2018.
Work consists of modifying spillbay 1 and installing 11 new PIT Tag monitoring antennas (to monitor juvenile fish passage) into the spillway ogee. Requires partial concrete demolition of the spillway ogee and embedding the new antennas into the concrete and pouring concrete over the top. Also includes installation of the monitoring building, equipment and control system next to the spillbay.