Purchase of Butterfly Valves for the Lanier and Shoal Creek Filter Plants

The County of Gwinnett is seeking a qualified vendor to supply fifteen double‑offset butterfly valves (sizes 54‑, 72‑, 96‑, 108‑inches) and matching gearboxes for two water‑treatment filter plants. The vendor must provide complete design drawings, engineering calculations, certifications (AWWA, NSF/ANSI 61), and detailed operation & maintenance manuals, but installation and field testing are excluded. All items are to be delivered FOB Destination to the plant sites in Buford, GA. • Scope includes design, manufacture, and delivery of double‑offset butterfly valves meeting AWWA C504/C516 and NSF 61 standards. • Must supply new gearboxes compatible with existing manual/electrical operators and provide full O&M documentation (hard‑copy and searchable PDF). • Bids are sealed, due 23 Sept 2026 2:50 PM; pre‑bid conference on 2 Sept 2026 for questions; manufacturer substitution requests due 10 Sept 2026.