The design phase included reviewing existing data, survey and base mapping, hydraulic analysis, obtaining a temporary construction easements, environmental permitting and determination, development of design report, construction plans and specifications.
The Rainier Culvert Improvement project construction phase started on August 19, 2019 and was completed on November 1, 2019.
The Benson Road S Culvert Improvement project construction phase started on August 14, 2020 and was completed on November 12, 2020. The total project construction cost for these two sites combined was $233,587.77.