Tag Archives: Lake Oswego

Lake Oswego Interceptor Sewer – Lake Down awarded second place in annual DJC Top Projects

The award-winning design of the new Lake Oswego Interceptor Sewer replaced a deteriorating sewer pipeline beneath the 415-acre Oswego Lake. Working around quiet, residential streets in an affluent suburb, the lake down contract involved installation of more than 7,300 feet of previously fused, large-diameter, high-density polyethylene pipe to connect the buoyant interceptor to the existing … Continue reading Lake Oswego Interceptor Sewer – Lake Down awarded second place in annual DJC Top Projects

Lake Oswego Interceptor Sewer – Lake Down Contract

The Lake Down Contract involved the installation of over 7,300 feet of previously fused large-diameter high density polyethylene pipe at grade tolerances of 0.02 inches to connect the buoyant interceptor to the existing sewer system. Pile supports and caps and pipe cradles were welded to steel piles to support the new pipeline and a cathodic … Continue reading Lake Oswego Interceptor Sewer – Lake Down Contract