CGA was hired to perform the Site Design and Construction Observation on a road reconstruction project at Broad Street in Story City, Iowa. The repavement stretches from Grand Ave. to Lafeyette Avenue and is Phase II of a multi-phase project.
CGA was hired to perform the construction staking on this two-year pavement improvement project that stretches from Burlington to the north of Mediapolis on U.S. 61 in Des Moines County.
CGA is providing the construction staking for an Iowa Department of Transportation (IDOT) road reconstruction project along Highway 20 in Waterloo, stretching from U.S. Highway 63 (Sergeant Road) to Iowa Highway 21 (Hawkeye Road). Crews are removing and replacing pavement along the three-mile stretch with construction scheduled to be completed in November 2021.
A residential 12 lot subdivision between West 4th St. and Westchester Rd. in Waterloo. CGA completed conceptual planning, preliminary platting survey, site design, and final platting survey services. This site included HMA pavement and PCC curb and gutter. Kimberly Avenue and Kathy Jean Drive were added to the list of city streets.
A 10 lot commercial sub-division in Waterloo that involved complete PCC pavement with the installation of all underground utilities and a detention pond. CGA services included construction survey work, construction observation, testing, and administration.
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…
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…
RECENT AIRPORT IMPROVEMENT PROJECTS Runway 16-34 Reconstruction Design | 2020 Install Wind Cone | 2019 Turnaround Construction | 2017-2018 Install PAPI and REILS | 2016 Land acquisition and minor ALP revisions | 2015
RECENT AIRPORT IMPROVEMENT PROJECTS Airport Taxiway | 2021 Replace Beacon | Taxiway Reconstruction Design | 2019 Security lighting | 2018 Construct hangar, paving improvements | Apron reconstruction-Phase II | 2017 Replace REILS, security lighting | 2015
RECENT AIRPORT IMPROVEMENT PROJECTS Rehabilitate Runway, Apron and Taxiway | 2019 Replace Electrical Vault | 2018 Rehabilitate Runway Lighting and Rotating Beacon | 2017