North Tanglewood Construction

The City of Columbia is soliciting bids for the North Tanglewood Construction project under solicitation number BID027-25-26-WRO-CDBE-SD8478 Addendum 1, with responses due by June 5, 2026, at 5:00 PM ET. The project centers on the rehabilitation of sanitary sewer infrastructure along North Tanglewood Drive and nearby streets using trenchless methods such as cured-in-place pipe (CIPP) and geopolymer lining, with limited excavation permitted for access and repairs. All work must adhere to strict standards including NASsCO PACP guidelines, OSHA confined space regulations, and City of Columbia Engineering Regulations, with mandatory CCTV inspections, as-built documentation, and GIS database updates. Bids must be submitted exclusively through the city’s e-Procurement portal, IONWAVE, and no hard-copy submissions are accepted. The solicitation requires technical proposals be formatted as a PDF with a specific naming convention and includes additional submittals such as the CDBE Goal Affidavit, LBE Qualification Statement, and Mentor-Protégé Agreement where applicable, along with proof of insurance, warranty documentation, and daily construction logs. Contractor responsibility includes full compliance with packaging and preservation requirements for materials such as CIPP liners, which must be refrigerated and protected from UV exposure, and cement and steel products, which must be stored dry and off the ground. All products must retain legible manufacturer labels with handling instructions and expiration dates throughout transport and storage. The City will award the contract using a Lowest Price Technically Acceptable (LPTA) method, selecting the lowest-priced responsive and responsible bidder who meets all technical requirements. Financial terms are undefined in the solicitation, with bid item prices left blank as estimated quantities for bidding purposes only, and no contract value is specified. Payment applications must be mailed to P.O. Box 147, Columbia, SC 29217, with no electronic invoicing systems mandated. Performance occurs at the project site in South Carolina, with acceptance determined upon successful installation and testing. Key administrative oversight is provided by multiple City Construction Coordinators, while special requirements include the presence of trained traffic control personnel on-site at all times, full indemnification of the City, strict adherence to non-discrimination policies, and the maintenance of a sequential change order log. Participation by Small Business, Minority-Owned, Women-Owned, Local, and Columbia Disadvantaged Business Enterprises is incentivized