Notice of Intent to Advertise - Design Build Services for the Chattahoochee River Trail Project

Cobb County Department of Transportation is soliciting design-build services for the Chattahoochee River Trail Project, Phase II, a 1.3-mile bike and pedestrian trail in Mableton along the Chattahoochee River, with Statements of Qualifications due January 15, 2027 at 12:00 noon and an Industry Forum scheduled for September 24, 2026. The procurement follows a two-phase selection process: Phase I selects up to five finalist proposers based on SOQs; Phase II requires submission of full proposals from finalists by April 9, 2027 at 12:00 noon, with price proposals opened at 2:00 p.m. and award based on highest combined score of price and technical evaluation under Georgia Department of Transportation Design-Build procedures.

Ten firms are identified as conflicted and ineligible to participate. All proposing teams must be prequalified by Georgia DOT or Cobb DOT in specified area classes including rural and urban roadway design, bicycles and pedestrians facility design, NEPA documentation, ecology, bridge design, utility coordination, surveying, construction engineering, and erosion control planning. The Lead Design Consultant must hold minimum prequalifications in rural roadway design, urban roadway design, and bicycles and pedestrians facility design.

The scope includes a 10'-17' shared use path with intermittent modal separation, a bridge over an unnamed creek, boardwalks over wetlands and environmentally sensitive areas, and nature-based stormwater best management practices. The Design-Builder assumes responsibility for design, permitting, utility coordination and relocation, geotechnical investigations, erosion control BMPs, and construction. The NEPA Categorical Exclusion is anticipated to be approved by February 24, 2027. No additional right-of-way acquisition is anticipated, and no offsite detours will be permitted during construction. A Critical Path Method schedule will be required.

The Request for Qualifications will be issued December 1, 2026. One-on-one meetings with Cobb DOT staff are available on a first-come, first-served basis by emailing karyn.matthews@cobbcounty.gov. All solicitation communications, updates, and clarifications will be distributed through the Georgia Procurement Registry, Cobb County Procurement Services website, and BidExpress.