The 2010 flooding along South Duff resulted in the redevelopment of 716 S. Duff Avenue. The site offered an opportunity for the CGA design team to creatively navigate the city’s requirement for stormwater management at 10,000 square feet of disturbed impervious area. The Jimmy John’s site is the first along S. Duff Ave. to incorporate…
CGA provided planning, survey, design, and construction services for three connective projects which contained federal funds and followed the Iowa DOT’s Project Development Schedule. Two of the projects were 10-foot wide trail segments constructed of 4” thick asphalt with 2-foot wide grass shoulders. The first phase connected two segments of the trail system within the…
CGA provided survey, design and construction services for three phases of the Grinnell Area Recreation Trail system spanning from the City of Grinnell west to Rock Creek State Park. All three projects followed the IDOT’s Project Development Schedule and contained federal funds. Phase I of the Rock Creek Trail is an eight-foot-wide shared use path,…
Once the lots with existing road access in Ackley’s Industrial Park had sold, installation of a roadway became necessary to continue lot sales. CGA worked with the City of Ackley to complete a successful IDOT RISE application. This application funded up to half of the storm sewer and paving costs for the project. A roadway…
Butler Street in Ackley has historically experienced flooding and over-topping during heavy rain events. As a result, the City of Ackley authorized a feasibility study for repairs and improvements to the Butler Street watershed. Based on the study, it was determined that although it was warranted, a totally new storm water conveyance system was not…
