On the Web
The Discovery Corridor Wastewater Transmission System:
http://www.crwwd.com/projects/dcwts
Road closures will continue through the fall in Ridgefield as construction chugs along on a new central wastewater pipeline designed to support business development in the fast-growing city.
The work is part of the $25 million first phase of construction on the Discovery Corridor Wastewater Transmission System, a line that will extend from the Ridgefield Junction at Interstate 5 to the Salmon Creek Treatment Plant. Construction began in June, and it’s expected to finish in 2016.
The Clark Regional Wastewater District is the lead agency on the project, which will allow Ridgefield to continue to grow once its current sewage treatment plant reaches capacity, which is expected to happen soon.
On Monday crews began installing the sanitary sewer force main in 56th Place and Sixth Way. A 10-foot-wide section of those roads on the east side of 56th Place and the north side of Sixth Way will remain closed through Oct. 17.
Two-way traffic can still pass through the roads around the construction area. Meanwhile, work continues on a number of other sites connected with the pipeline.
Crews are plowing ahead on construction between 45th Avenue and 50th Place, preparing the site for topsoil and seeding scheduled for later in the fall. The work includes leveling out the ground and putting straw down to control erosion. Clark Regional Wastewater District officials do not expect the project to disrupt traffic.
Along the south side of Pioneer Street approaching 56th Place, crews are excavating and draining a trench where they will install the force main and a gravity pipe before backfilling the space.
At the Gee Creek rest areas along each side of I-5, work will continue on pipe installation and the construction of a small pump station at each site. The rest areas will stay closed while they’re under construction.
The pipeline is being constructed by Tapani, a Battle Ground-based company, and was designed by a consultant team led by Otak Inc. CH2M Hill is providing program management and construction management services, according to the project website.
More phases of construction are to follow over the next 20 years, in conjunction with the county’s plan to encourage business and residential growth in the area.
