DE Benton Water Treatment Plant GAC Filter Media Replacement

The City of Raleigh Public Utilities Department is requesting proposals for granular activated carbon (GAC) media replacement at the Dempsey E. Benton Water Treatment Plant in Garner, North Carolina, with proposals due July 31, 2026 at 3:30 p.m. EST and a pre-proposal meeting and site visit on July 16, 2026 at 1:00 p.m.

The scope includes removal and disposal of existing GAC media from eight filter tubs (1A, 1B, 2A, 2B, 3A, 3B, 4A, 4B) that have been in service nine years, totaling 7,040 cubic feet. The contractor must furnish labor, materials, and equipment to install 48 inches of new Norit DARCO 4X12 GAC media in each filter tub while cleaning and reusing existing graded gravel. The new GAC media must be Norit DARCO 4X12 produced in the United States and meet AWWA Standard B604, with independent laboratory testing and certification of compliance required prior to shipment. Deliveries are restricted to daylight hours between 7:00 a.m. and 3:00 p.m. Monday through Friday, scheduled one week in advance.

The contractor must carry Commercial General Liability of at least $1 million per occurrence and $2 million aggregate, Automobile Liability of $1 million, and Workers' Compensation with statutory limits. Pricing is submitted on a not-to-exceed basis with fully burdened hourly rates. Proposals must include recent audited, reviewed, or compiled financial statements demonstrating financial viability.

Evaluation is weighted: Corporate Background and Experience (15 points), Firm Financial Stability (10 points), Project Understanding (15 points), Project Approach (10 points), Team Firm Experience (20 points), and Proposed Cost (30 points), with up to five additional points awarded following interviews or demonstrations. Written questions are due July 23, 2026 at 3:30 p.m. EST, with City responses anticipated July 28. Evaluation is anticipated August 7, 2026, with selection announced tentatively August 14, 2026.