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…

UnityPoint Hospital (formerly Marshalltown Medical & Surgical Center)

The CGA team designed site improvements and administered construction for a new hospital on the south side of Marshalltown. The project was built in two construction packages over a 15-month period. Our team successfully presented cost-effective solutions for challenging soils and worked side-by-side the Geotechnical Engineer and contractor during construction to provide a subgrade bridging…

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…

Waverly Hospital Expansion | Waverly, IA

CGA completed the site design for the Waverly Health Center EMS addition and remodel. The scope included a topographic survey, demolition of a portion of the existing building and parking lots, new EMS building addition, new vehicular entrance, two new terraced parking lots, one parking lot expansion, sidewalks, new service drive, storm sewer, stormwater management,…

The Willows of Marshalltown | Assisted Living & Memory Care

CGA partnered with Design Alliance to provide a site plan and design for a new assisted living facility in Marshalltown, IA, including existing conditions and demolition; site layout; grading; storm sewer design; sanitary sewer and water service design; utility layout; staking plan; stormwater controls (stormwater quality and detention); and details. In addition, CGA provided the…

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…