CGA conducted watermain improvements for the City of Parkersburg made possible in part by an Iowa Department of Natural Resources (IDNR) grant. CGA’s scope included: New ADA-compliant sidewalks Concrete driveway approaches New watermain and services Subdrain Curb and gutter
CGA is working with the City of Story City and Keller Excavating on water main improvements along Larson Avenue, 4th Street, and Market Avenue between Cedar Street and Washington Street. New water main will be installed on the east side of Larson Avenue, the south side of 4th Street, and the east side of Market…
CGA worked with Grundy Center Economic Development on Phase 1 of the Prairie Ridge Addition in Grundy Center, Iowa. This project includes platting, water main, sanitary sewer, and storm sewer improvements for a 25-lot residential subdivision. CGA is also managing construction administration, construction services, and construction staking.
CGA has worked extensively with multiple architects and contractors over the last 20 years on the Marshalltown Community College campus, including a campus mapping project. CGA designed 1.5 million dollars in campus improvements in order to meet growth and student demands. We are currently completing a re-design of the existing northwest parking lot to establish…
Lincolnshire Addition is a newly built residential subdivision located between Monticello Avenue and Meadow Lane in Waterloo; SW of the Ridgeway/Ansborough intersection behind Cedar Valley Community Church. CGA completed the boundary/site survey, topographic survey and subdivision plat. Our design role consisted of site grading, sanitary sewer, water main, storm sewer, and paving. We were also…
CGA assisted the City of Waterloo with the extension of sanitary and water main north along Leversee Road to service a new industrial subdivision. CGA performed site boundary and topographical surveys as well as design services. This project also included the coordination of Runway 6-24 closure at the Waterloo Regional Airport, as well as preparation…
Story City’s I-35 Business Park is a city led development on the east side of I-35 north of Ames. CGA has worked with Story City over the past 20 years on development of the site over several phases to accommodate new industrial businesses to grow the communities’ tax base. Each project phase in the park…
In an effort to meet the requirements of their operating permit, the City of Aplington made plans to resolve low-pressure areas within their community’s water system. The City proposed constructing an elevated storage tank at a location that would eliminate low-pressure areas. The plan sets the elevated tank at an overflow elevation that provides a…
