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Council authorizes sole‑source purchase of long‑lead equipment for Ray Waterman and Bell Mountain plant conversions; warns of WISE supply deadline
Summary
Council waived formal bidding and authorized procurement of long‑lead equipment for a chemical‑feed conversion at Ray Waterman and Bell Mountain treatment plants to avoid interrupting WISE water deliveries; staff will return in August with full construction authorization.
Castle Rock council approved an emergency sole‑source authorization to procure long‑lead equipment for upgrades and chemical‑feed conversions at the Ray Waterman Regional Water Treatment Center and Bell Mountain Ranch Water Treatment Plant.
Staff said the work is time‑sensitive because the WISE (Water Infrastructure and Supply Efficiency) project is delivering full contract flows and will have a planned shutdown in November. If the town cannot receive or properly treat WISE water when it is available, the contract contains take‑or‑pay provisions that could create substantial costs. Engineering and procurement work must begin immediately so long‑lead items arrive before the November window and final connections can be made during the scheduled low‑flow period.
The project will convert Ray Waterman’s ammonia‑gas based chloramine system to a liquid ammonium sulfate feed (eliminating on‑site ammonia gas hazards), add instrumentation and control improvements and make related piping and electrical upgrades. Bell Mountain will be converted to allow the plant to deliver additional treated water without disrupting system chloramine balance.
Staff recommended Garney (already under contract on other town treatment projects) for procurement of long‑lead equipment to reduce mobilization time and because the contractor has experience performing similar work while keeping a plant in operation. Council authorized an initial ‘‘work package 1’’ purchase of long‑lead equipment with a contingency (total authorization $1.3 million), and staff said the full construction package (work package 2) will be returned to council on Aug. 19 for approval. The Castle Rock Water Commission recommended the action unanimously prior to the council meeting.
Council members asked for clarity about contingency and schedule impacts. Staff emphasized the town’s objective: avoid interruption of treated WISE water deliveries and eliminate on‑site ammonia gas risk at Ray Waterman. The measure passed by roll call.
