Opportunity
Johnson County Ionwave #2026-017
Johnson County Wastewater seeks bids for Tomahawk Creek WWTF Process Improvements
Posted
May 20, 2026
Respond By
June 25, 2026
Identifier
2026-017
NAICS
237110, 237990
Johnson County Wastewater is seeking bids for a major process improvements project at the Tomahawk Creek Wastewater Treatment Facility (WWTF) in Leawood, Kansas. - Government Buyer: - Johnson County, Kansas (Wastewater Division) - Purchasing Administration Office, Olathe, KS - Project Scope: - Comprehensive upgrades to the Tomahawk Creek WWTF, including: - Installation of new odor control systems (including covers and Odor Control System No. 4) - Sidestream nitrogen treatment enhancements - Gravity thickener hydrogen sulfide reduction (ferric chloride feed) - Co-thickening modifications (new digester feed pump, pressure sensors, SCADA integration) - Addition of a sludge cleanout manhole - Primary clarifier improvements (access drive, cleanouts, electric actuators) - Micro-C dosing system upgrades - Additional pre-anoxic mixers - Digester access improvements (ladder replacement with stair tower) - Replacement of aluminum slide gates with corrosion-resistant materials - Filter complex enhancements (electric actuators, safety platforms) - Installation of a storm drain isolation system near ferric tanks - Notable OEMs and Vendors: - R.E. Pedrotti Company, Inc. (telemetry systems, system integration) - Hydrogate (stainless steel slide gates and actuators) - Watson-Marlow (chemical metering skid) - Flygt (mixers) - Netzsch (pump) - Products and Quantities: - Odor Control System No. 4 and covers (1) - Telemetry systems (1) - Stainless steel slide gates and actuators (1) - Chemical metering skid (1) - Flygt mixers (1) - Netzsch pump (1) - Micropiles (410 LF) - Guardrail (325 LF) - Unique Requirements: - Bidders must submit a 5% bid bond - Manufacturer questionnaire listing proposed equipment manufacturers is required - Electronic bid submission via IonWave - Mandatory pre-bid conference and site visit - Local business and apprenticeship preferences apply - Specific registration, insurance, and qualification requirements - Place of Performance: - Tomahawk Creek Wastewater Treatment Facility, 10701 Lee Blvd, Leawood, KS 66211
Description
This solicitation is for sealed bids for the Tomahawk Creek Wastewater Treatment Facility (WWTF) Process Improvements Project in Johnson County, Kansas. The project includes multiple improvements such as odor control system installations, sidestream nitrogen treatment enhancements, gravity thickener hydrogen sulfide reduction, co-thickening modifications, sludge cleanout manhole addition, primary clarifier improvements, Micro-C dosing system upgrades, pre-anoxic mixers installation, digester access improvements, chlorine contact basin upgrades, filter complex enhancements, and storm drain isolation near ferric tanks. Bidders must submit a bid bond of 5% of the total bid amount and submit bids electronically via IonWave. A mandatory pre-bid conference and site visit is scheduled.