This project is for a nutrient reduction constructed wetland wetland with a chute outlet structure. In general, the work involves, but is not limited to, selective clearing, excavation, grading, installation of tied concrete block mat (Flexamat Plus or engineer approved equal), tile installation, water control structure and seeding. This project includes about 15,200 cubic yards of earthwork, installation of 6,608 square feet of tied concrete block mat (Flexamat Plus or engineered approved equal), water control structure, 1,100 linear feet (LF) of tile installation, 108 LF of RCP drawdown pipe, 48 tons of riprap, 2 antiseep collars, 1 concrete apron with footing guard and 8.0 acres of seeding. The estimated construction cost range for this project is $200,000 to $300,000.
