Tetra Tech, Inc., says it has been awarded the US$60-Million contract with the U.S. Coast Guard (USCG) for professional architect-engineering environmental services. Under this five-year, multiple-award contract, Tetra Tech will provide services in support of USCG environmental compliance, restoration and environmental liabilities, planning, and sustainability programs. Services will be performed at both onshore and offshore structures, including navigational aids such as lighthouses…