Traffic Studies

New developments or changes in the use of an existing site can have an impact on traffic volumes and patterns on adjacent streets and highways.  These impacts can require intersection controls, additional lanes, or specified turn lanes to be installed prior to the development being approved and completed.  Jurisdictions (cities, counties, or the Iowa DOT)…

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…

U.S. Economic Development Administration Preliminary Engineering Report | ISU Research Park, Ames, IA

CGA was the Project Manager for the development of the Economic Development Administration Preliminary Engineering report for ISU Research Park improvments, including preliminary design components and cost estimates. In addition to the Project Overview, the report included a Feasibility Analysis showing Required Permitting, a bid package for a Public Utility Extension as well as Roadway…

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…

Menard’s Site Development & Various Improvement Projects

CGA provided project management for a private commercial development planned for an undeveloped area consisting of open farm fields in Cedar Falls. In planning and design for the 50-acre commercial development, the City requested that the area is accommodating to all future development within the watershed. In total, CGA studied 105-acres and developed a comprehensive…