Powdered Activated Carbon (PAC)

The City of Mesa issued a five‑year, indefinite‑quantity, unit‑price contract for the supply of Powdered Activated Carbon (PAC) to its water‑treatment facilities in Mesa and Tempe. After multiple extensions of the proposal deadline, the contract was awarded to Arq Purification, LLC. The contract provides a ceiling of $420,000 per year, with a possible six‑month month‑to‑month extension after the base term, and requires compliance with ANSI/NSF 61, AWWA B600, and specific chemical‑analysis criteria. The award is a single‑vendor, unit‑price IDIQ contract. • Scope: Supply bulk PAC meeting strict iodine, surface‑area, moisture, and toxic‑substance limits for municipal water treatment. • Delivery: FOB destination with sealed trucks, delivery windows 7:30 am–2:00 pm, partial deliveries allowed at Mesa, full loads at Tempe. • Evaluation: Pricing carries the highest weight (400 points) within an 800‑point scoring system; technical conformance and experience are also evaluated.