Summary
Work along a large 66" lined corrugated metal pipe (CMP) storm drainage pipe on the west side of 76th Avenue South, from South 228th Street to approx. 1,900 LF north to the pipe outlet which connects to Mill Creek, includes installation of new storm top hat/saddle pipe access structures on existing pipe and removal of accumulated storm solids within the pipe. Work will take place on a storm system with active drainage within the pipe where temporary pipe plugging and bypass pumping are expected. To facilitate productive efforts to remove accumulated storm solids in the pipe, work shall take place during the dry weather season. The project includes video inspection of the storm system to evaluate the pipe cleaning work and
overall conditions of the pipe.