Johnson County Ionwave #2026-005 Addendum 5

Comprehensive Wastewater Facility Asset Renewal: Pumps, Drives, Chemical Storage, and Controls

Johnson County Wastewater is seeking bids for the Douglas L. Smith Middle Basin Asset Renewal Project, a major upgrade to its wastewater treatment facility in Overland Park, Kansas. - Government Buyer: - Johnson County Wastewater (Purchasing Administration, Johnson County, KS) - OEMs and Vendors Highlighted: - Eaton (Variable Frequency Drives) - Boerger (Rotary Lobe Pumps) - WEMCO (Grit Classifying and Dewatering Equipment) - Assmann/FRP (Sodium Hypochlorite Storage Tanks) - WEG (Three Phase Induction Motors) - NORD (Helical In-line Speed Reducers and Couplings) - Greenheck and Ruskin (Manual Shutoff Dampers) - Products/Equipment Requested: - Eaton Variable Frequency Drives (VFDs) - Boerger Rotary Lobe Pumps (Model CL 390, 6 units, 7.5 HP motors) - WEMCO Grit Classifying and Dewatering Equipment - Assmann/FRP Sodium Hypochlorite Storage Tanks and fill stations - WEG 7.5 HP Three Phase Induction Motor (part number 00718ET3E213TC-W22) - NORD Helical In-line Speed Reducers and Couplings - Greenheck Model HBTR-451 or Ruskin equivalent manual shutoff dampers - Liquid chemical peristaltic hose metering pumps (45 psi max discharge) - Magnetic flowmeters, ultrasonic level transmitters, level switches, pressure gauges, and pressure switches (various part numbers) - Cast-in-place concrete (Class A, 5000 psi) - Services Requested: - Process control integration (R.E. Pedrotti Co., Inc.) - Concrete repair work (allowance for wet well cleaning and debris removal) - General construction, demolition, installation, and site work - Unique/Notable Requirements: - Mandatory pre-bid site visit and electronic bid submission - Strict adherence to technical specifications for all equipment and materials - Coordination with ongoing facility operations and environmental controls - Detailed construction sequencing, quality assurance, and warranty requirements - Allowance for concrete repair and specific requirements for chemical feed and odor control systems

Description

This Invitation for Bid is for the Douglas L. Smith Middle Basin Asset Renewal Project, which includes furnishing labor, materials, equipment, and services for construction of the new process area MB-17 Sodium Hypochlorite Storage and improvements in existing buildings and site work. The project scope covers multiple buildings including MB-2, MB-3, MB-7, MB-8, MB-10, MB-11, and MB-13, involving tasks such as replacing grit classifiers and conveyors, demolishing equipment, installing new generators, modifying pumps, demolishing storage tanks, relocating flow meters, replacing pumps and fans, constructing new storage tanks and fill stations, and installing chemical metering pumps. Bids and questions must be submitted electronically through IonWave. A mandatory pre-bid and site visit is scheduled for June 24, 2026, and the bid closing date is September 2, 2026.

View original listing