he existing tunnel from Hampton to Norfolk,
Virginia at the mouth of the Chesapeake Bay
was continually congested. The state built
needed to build another tunnel next to it to help
alleviate the situation. Each end of the tunnel
required a treatment system. The treatment
systems had to be designed to handle water of
water quality from diverse sources: dewatering,
jet grout foundation wastewater, and tunnel
boring slurry wastewater