The Onslow Water and Sewer Authority (ONWASA) is requesting proposals for plumbing the bulk sodium permanganate tank at the Dixon Water Treatment Plant. Proposals are due by November 18, 2025, at 2:00 PM. A mandatory pre-proposal site visit is scheduled for November 04, 2025, at 2:00 PM. The project must be completed within 60 calendar days from receiving the notice to proceed. Performance and payment bonds are required. NC certified HUB contractors are encouraged to submit proposals.
The work on the project shall be completed and the tanks ready for service within 60 calendar days from receiving the notice to proceed.
The warranty period for the work shall begin upon acceptance of the completed work by onwasa. The warranty shall be for one 1 year following notification that the work has been completed. The warranty shall include, but not be limited to, construction materials, workmanship, and site restoration work.
If a contract is awarded, onwasa will award to the lowest responsive, responsible contractor who, in onwasas opinion, best complies with the criteria outlined in the scope of work included in this request for proposal, taking into consideration price, methodology, quality, past performance, and the time specified in the proposal for the performance of the contract.
The contractor must possess a valid NC general contractors license and provide a copy of the license with the bid.
A mandatory preproposal site visit for all prospective contractors will be held starting at 2: 00 pmon tuesday, november 04, 2025, at the dixon water treatment plant, **** wilmington hwy, hollyridge, nc ****.
Any questions regarding the rfp or proposed contract must be submitted in writing, at least five 5 business days before the submittal date for the proposal and directed to the onwasa purchasing agent.