IFB#285 Sweetwater Creek WWTP Aeration Basin Upgrades

The Douglasville-Douglas County Water and Sewer Authority issued Invitation for Bids (IFB) No. 285 for aeration basin upgrades at the Sweetwater Creek Wastewater Treatment Plant in Douglas County, Georgia. The procurement encompasses a comprehensive turnkey project requiring installation of owner-furnished aeration equipment to replace existing aerators in two aeration basins, modification of the Main Electrical Building to accommodate HVAC equipment installation, replacement of exposed conduit in the aeration basin area, resurfacing and epoxy-type coating of secondary clarifier launders, and testing and startup of all systems. Concrete rehabilitation work on Aeration Basins No. 1 and No. 2, and Secondary Clarifiers No. 1 and No. 2 is included, with repairs to floors, walls, beams, and top slabs utilizing various methods such as cementitious surface seals, epoxy injection, waterproof injection grout, and cement-based textured coatings. All labor, materials, equipment, tools, transportation, and supplies must be provided by the contractor, with the project duration specified as 270 days. The bidders' conference was held on September 13, 2023, at 10:00 a.m. at the Authority's Administrative Offices at 8763 Hospital Drive, Douglasville, Georgia 30134, with sealed bids required by 2:00 p.m. on September 27, 2023, at the same location. Prospective bidders were required to register through QuestCDN.com (eBidDoc number 8662171) to obtain bid packages for $22.00 and to schedule site visits by September 25, 2023, with Vivi Nguyen at Hazen and Harold Green at WSA. Award will be made to the lowest responsible and responsive bidder, with the Authority reserving the right to reject all bids or waive technicalities in the bidding process.

All prospective bidders must hold a current Georgia Utility Contractors License and be on or qualify for inclusion on the Authority's Approved Contractor List without restriction or probationary status; no set-asides for disadvantaged enterprises or other organizational restrictions are identified in the procurement documents. Each bid must be accompanied by bid security equal to five percent of the total bid price in the form of a certified check, bid bond, or irrevocable letter of credit, subject to forfeiture if the bidder fails to execute the contract. The project incorporates vertical mixer VFD panel equipment with an estimated delivery of November 15, 2023, and dissolved oxygen probes and transmitters supplied by the aeration equipment manufacturer; the Notice to Proceed will not be delayed to accommodate equipment delivery delays, though contractors may request time extensions if delays extend beyond manufacturer timelines and are beyond the contractor's reasonable control. A Material Testing Allowance will reimburse the contractor at cost for third-party testing agencies and certified coatings inspectors complying with Association for Materials Protection and Performance (AMPP) standards, with retesting costs borne by the contractor if initial tests fail. An Unforeseen Conditions Allowance provides funds for additional authorized work through executed Work Change Directives. No engineer's estimate or specific budget range is disclosed in the procurement documents; the award value is determined through the sealed bid process with award to the lowest responsible and responsive bidder.