Arkansas Ionwave #HS-26-076

Wet-Well Air-Ionization Odor-Control System and Delivery

The City of Hot Springs is seeking one ionization-based odor-control system for a municipal wastewater wet well or lift station. - Buyer: City of Hot Springs Purchasing Division, for the Utilities Department, Arkansas. - Requested system: One complete, new wet-well air-ionization odor-control system with an outdoor-rated stainless-steel makeup-air unit, fan, intake screen, ion generator, controls, safety features, monitoring interface, accessories, documentation, and delivery. - Performance and design requirements: Approximately 250 CFM at 0.5 inches total static pressure; 2,000–2,500 positive and negative ions per cubic centimeter; 120 VAC, single-phase, 60 Hz. Glass ionization tubes with stainless-steel mesh are required; plastic tubes are not acceptable. Include an access-door interlock and ionizer delay timer. - OEM and referenced products: Air+, Inc. is identified in the attached product sheet for its Odor Beast systems: OB-250 with Air+ 501E ionization unit and OB-500 with Air+ 501F unit. These are reference models, not mandatory makes or models; bidders must name their proposed manufacturer and model and describe deviations. - Required spare parts: Three replacement ionization tubes or equivalent, 20 ion-generator fuses, one transformer or equivalent power-supply component, one test cable or equivalent diagnostic accessory, and one replacement intake filter/screen. - Other requirements: At least a one-year warranty for the odor-control equipment, makeup-air unit, ion generator, and fan. Provide paper and electronic operation and maintenance manuals, identify lead time, and price equipment and freight/delivery separately. - Optional items, if required by bid documents or site conditions: 304 stainless-steel support legs, internal heater and thermostat, motorized shut-off damper, additional remote monitoring, additional ionization tubes, and additional fuses or maintenance parts. - Performance period: One-time equipment purchase and delivery; no ongoing subscription or other contract term is specified.

Description

The City of Hot Springs is accepting bids for one complete wet well air ionization odor control system for municipal wastewater wet wells or lift stations. The system must use ionized outside air for continuous odor control and corrosion protection, without chemical feed, process water, or spent-media disposal. The supplier must furnish and deliver the complete equipment package, including required components, spare parts, documentation, and a minimum one-year warranty. Electronic submission through the procurement portal is preferred; sealed paper bids are also accepted by the deadline of December 7, 2026, at 2:00 PM CT.

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