CGA is providing construction staking services during this phased construction project on a major intersection in Cedar Falls. Having been labeled as one of the deadliest intersections in the state of Iowa, The Iowa Department of Transportation’s Iowa 58 (IA 58) and Viking Road Interchange Construction Project began in 2018 and is scheduled to be…
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 storm water management at 10,000 square feet of disturbed impervious area. The Jimmy John’s site is the first along S. Duff Ave. to…
CGA partnered with EYP architects to complete the design and construction of the new $90 Million HSSC complex. The project included a 3-story addition to join the historic Alumni Recitation and Carnegie Halls on the west side of campus. CGA assisted in the design of a green roof and storm water reclamation tank for flushing…
CGA was the Design Engineer on the development of a new hotel in Boone, including site layout and design; utility design; multiple iterations of stormwater calculations, proposed native swale and existing pond; site grading including setting the building elevation; landscaping including native grasses; and coordination with the owner, contractor, and the City of Boone.
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…
CGA provided the Civil Engineering Services for a new Premier Best Western located on the east side of Interstate 80 in Ankeny. Wertzberger Architects designed the new 4-story hotel and conference center to connect to the former restaurant building. CGA designed a small parking lot extension, site utilities, pedestrian extensions, and outdoor patio areas for…
After the Main open ditch needed a cleanout and small repair projects were proposed for lateral tiles, the District Trustees questioned that there was only one classification schedule for the entire district. As a result, the District Trustees requested that CGA work with one landowner from each county to create separate schedules for each lateral…
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…
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…
CGA is currently assisting the City of Eldora with further process adjustments/alterations to reduce Total Phosphorous concentration in plant effluent to further Iowa DNR’s commitment of the Iowa Nutrient Reduction Strategy. Increasingly more stringent discharge standards made it necessary to upgrade the WWTP in the late 1990s. Preliminary engineering began about 1997 for replacing or…
