The project consisted of a total reconstruction of the street and subgrade with the new P C concrete section placed on a modified subbase. The old concrete slab was taken to a stockpile at the City’s maintenance yard. A portable crushing operation was subcontracted by the paving contractor and the crushed concrete was used as the modified subbase. Staging of the west end of the project was included in the bid documents to accommodate access for students returning to the college.

The storm drainage system was essentially reconstructed and routed to one outfall line to the lake. The City of Storm Lake purchased a hydrodynamic separator and the contractor installed this unit on the out fall line. Additional storm sewer and intakes were installed at the intersection of Lake Avenue and Lakeshore Drive to correct poor drainage patterns wherein storm runoff from Lake Avenue and East Lakeshore Drive flowed across the Lake Avenue.

The street pavement on the modified subgrade has a much smoother driving profile. The geometrics of a wide throated intersection of four street legs on a severe skew were corrected by separation of one of the legs and bringing it in at a right angle to Lakeshore Drive. A significant dip in the south gutter between the street and a parking area adjacent to a city park was corrected allowing a much smoother access for parking and unparking vehicles. The old pavement was recycled in to the street structure eliminating use of virgin material. Storm water management is much improved with new intakes and storm sewers collecting runoff and directing in through the separation device prior to discharge to the lake.