Mortenson Selected for Post Point Wastewater Treatment Plant Expansion

Seattle, WA — Mortenson is pleased to announce that it has been selected by the City of Bellingham to serve as contractor for the expansion of its Post Point Wastewater Treatment Plant. This project site is not new to Mortenson; Mortenson previously worked on the treatment plant in 1991 to expand its facilities.

The upgrades to the plant involve expanding the core secondary process and increasing the plant's Biological Oxygen Demand (BOD) treatment capacity. This project includes construction of a chemical facility to enhance solids removal during primary treatment; modifications to existing primary effluent and Return Activated Sludge (RAS) pump stations and flow splitting structures; a new anaerobic selector basin; additional activated sludge basins and associated mechanical facilities; a fourth secondary clarifier; a new blower building to provide oxygen to the biological process; retrofits to the existing activated sludge basins for conversion to air; and modifications and improvements to existing electrical and control systems.

The estimated construction cost for the project is $28 million. Preconstruction begins immediately and construction is expected to start in March of 2012 and be complete in the spring of 2014.