REQUEST FOR BIDS: Williams Infrastructure, LLC is seeking subcontractor bids from DBE, MBE, WBE, DVBE, and OBE firms for the City of Columbia Project: North Tanglewood Storm Drainage Improvements (BID027-25-26-WRO) published May 12, 2026 with the City's eBid plans and specifications available at https://columbiasc.ionwave.net. Areas of work: Maintenance & Protection of Traffic, Remove & Replace Manhole Frame & Covers, Dewaters & Drainage, Field Concrete, Removal & disposal of protruding taps, Pre-Rehabilitation CCTV, CIPP Liner, Temporary Bypass Pu7mping System, Gathering Manhole GIS Data for Newly Found Assets, Clearing & Grubbing, Replacing Asphalt Pavement, Installation of New or Replacement of Concrete Curbs & Gutters, Mechanical Heavy Sewer Cleaning-Root Removal, Geopolymer Liner, Astroturf, Erosion & Sediment Control, Remove & Replace Catch Basin Type 1, Reconnect Active Service Laterals to CIPP lined Pipe. Selected CDBE/DBE subcontractors must self-perform a minimum of 50% of their portion of the project. Bids are due June 1, 2026. Contact: Nicole Williams, 7401 Richard St., Columbia, SC 29209, P 803-814-3753, nicole@williamsinfra.com. Williams Infrastructure LLC will provide links to plans and specifications based on inquiries. Subcontract values greater than $250,000 may require bonding unless subcontractor can provide adequate experience and financial information to waive bonding requirements. Williams Infrastructure LLC does not discriminate in the recruitment or hiring of subcontractors based on race, creed, color, religion, ancestry, sex, sexual orientation, or national origin and will take affirmative steps to ensure against discrimination in all aspects of our operations including subcontracts for service work.