Like many public works employees in small communities in Iowa, the City of Parkersburg staff had a pretty good idea of how their water, sewer, and sanitary systems were laid out. But this information was scattered among engineering plans, old maps, sketches, and even in the minds of long-time employees. CGA has provided engineering and…
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 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…
CGA was the Design Engineer on the design-build of a new building at an existing site in Ames, including site layout, grading, and utilities; design of a bioretention cell; design of a custom multi-tank storage system with staged outlet to provide quantity and quality stormwater storage per the existing City of Ames code; preparing the…
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…
CGA worked with the Raising Cane’s architects to develop a site plan off of Viking Road and Highway 58 in Cedar Falls, IA for a new fast-food restaurant that opened in 2019. In addition to the land development and site plan, CGA also provided construction staking services as well as construction administration.
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…
CGA reconfigured the existing Marshalltown High School Loading dock with the phase II Roundhouse improvements. The existing dock wall and pavement were removed and replaced to accommodate a new exterior door to allow the dock ramping to be placed within a new garage. The original storm sewer trench drain was replaced and routed to the…
