Drainage District #18 Cleanout | Hardin County, Iowa

Witness CGA’s transformative impact on Drainage District #18 in Hardin County, Iowa. The CGA team executed a comprehensive topographical survey and staking, setting a solid foundation for innovative ag drainage solutions. Spanning over 13,000 feet, this project involved sediment removal, outlet, and surface drain repairs, and the strategic removal of beaver dams. These efforts were…

Grinnell College Landscape Master Plan | Phase I

CGA partnered with ASG and Confluence Landscape Architects to redesign the exterior facilities on the Grinnell College Campus. The Phase I design began in 2016 with construction beginning in 2017 and scheduled to continue through 2019 in conjunction with a new Admissions and Visitors Center and a 1-acre building addition connecting two historic buildings on…

Collegiate United Methodist Church Annex Improvements

CGA worked with the CUMC Board, maintenance staff, and tenants to improve drainage and lower accessibility to the churches Annex building in Campustown Ames. Several options were presented to the advisory committee to eliminate drainage concerns and slip hazards on the north side of the site with special attention to the tight budget. Extensive storm…

Iowa Veteran’s Home Memorial Drive Improvements | Marshalltown

CGA partnered with TSP Architects on the Dack Hall expansion and was subsequently hired to make improvements to Memorial Drive. The team worked to improve drainage in the area, provide a covered bus loading/unloading for Dack Hall, and bring pedestrian access within ADA standards. After removing the original pavement the subsoils were explored and found…