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…

Skunk River Pedestrian Trail and Bridge | Story City, IA

CGA provided design, funding administration, construction administration and observation services for the City of Story City. In an effort to create a more walkable community, the City of Story City had committed to constructing miles of trails along the Skunk River and into a newly developed residential area. The final piece was the construction of…

Grand Crossing PICP Parking Lot | Waterloo, IA

CGA served as the design engineer for the Waterloo Grand Crossing Parking Lot, entirely designed with permeable interlocking concrete pavement (PICP). CGA assisted in coordination with the City of Waterloo Engineering Department and the IEDA as part of the Iowa Green Streets Initiative. They prepared the design plans and specifications and coordinated with the prime…

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…

Meskwaki Parking Lot Expansions | Renard’s Factory

CGA has performed numerous improvements at Meskwaki, including the recent Renards Factory Pavement Package consisting of subbase preparation; 8,739 square yards concrete pavement; finish grading and miscellaneous work associated with the installation of a parking lot. Also recently completed was the Meskwaki Parking Lot Expansion including: grading; storm sewer utility; sanitary sewer utility; 5,605 square…

North Park Streambank Restoration | Story City, IA

CGA completed analysis, design, and construction administration for streambank restoration and new pedestrian bridges in the City of Story City’s North Park in 2019. The deteriorated wooden pedestrian bridges were replaced with new steel bridges to improve pedestrian access throughout the park. CGA worked with the vendor, a local light manufacturer, and a local electrician…