DBB 18th Street and Riley Avenue Improvements (CDBG Grant)

The City of Yuma is requesting bids on Design-Bid-Build improvements to 18th Street and Riley Avenue under RFB-27-042, with bids due October 8, 2026 at 11:00 AM Arizona Time and a non-mandatory pre-bid conference via Microsoft Teams on September 17, 2026 at 2:00 PM. The project is CDBG-funded (CIP Project No. CDBG-0004).

The scope includes pavement replacement, curb and gutter improvements, sidewalk construction, sidewalk ramp improvements, driveway entrances with curb returns, a concrete spillway, and a scupper along both streets, with bid alternates for pavement improvements along the southern portion of 18th Street. The contractor must obtain all necessary permits and licenses; the City exempts standard permit fees if permits issue prior to work commencement. Work involves coordination with Arizona Public Service, ALLO Fiber, Southwest Gas, Lumen, and Spectrum on utility matters.

The contractor must achieve Substantial Completion within 45 calendar days after Notice to Proceed and Final Completion within 15 calendar days thereafter. The award goes to the lowest responsive and responsible bidder, who must execute the contract within ten days of Notice of Award.

Bonding requirements include a bid bond at least 10% of the bid amount and, upon award, Performance and Materials and Labor bonds each equal to 100% of the Contract Sum, with bonding companies rated B++ or better by A.M. Best. Required insurance includes Commercial General Liability of $1 million per occurrence with $2 million aggregate, Business Automobile Liability of $1 million, Workers' Compensation, and Umbrella/Excess Liability of $4 million.

The contractor is responsible for traffic maintenance, dust control, sanitation, and safety and must comply with Arizona Department of Environmental Quality requirements and MUTCD standards. Bids must remain valid for 90 days following opening. Questions are due September 29, 2026 at 11:00 AM Arizona Time. Bid opening is public, scheduled for 11:10 AM on October 8, 2026.