Arkansas Ionwave #HS-26-036 Addendum 1

Gravity Thickener Clarifier Drive Assembly Rebuild or Replacement for City of Hot Springs Utilities

The City of Hot Springs Utilities Department is seeking bids for the removal, rebuild, and reinstallation of a Gravity Thickener (GT) Clarifier Drive Assembly. - Government Buyer: - City of Hot Springs, Purchasing Division (Utilities Department) - OEMs and Vendors: - Hub City brand referenced; no specific OEMs named - Products and Services Requested: - Rebuild kit (bearings, seals, gaskets) - Epoxy primer and finish - Fasteners, gear oil, miscellaneous materials - Equipment and labor for gearbox removal (including crane) - Labor for removal, rebuild, and reinstallation - Fuel and travel charges - Option to provide and install a new GT Clarifier Drive (in lieu of rebuild) - Technical Details: - Assembly rated for 15,300 ft-lbs continuous torque - Operates mostly underwater; used to thicken sludge before transfer to digesters - Unique/Notable Requirements: - All materials must be new and commercially available - Compliance with state and federal safety standards - Hazardous and toxic substances disclosure required - Certificate of liability insurance and bid bond (if contract exceeds $35,000) - State of Arkansas Commercial Contractors Licensing and business registration - All work must comply with City of Hot Springs Water and Wastewater Standards and Specifications - Alternate proposal allowed for new drive installation - No explicit contract duration; project timeline to be specified by bidder

Description

The City of Hot Springs is soliciting bids for labor and materials to rebuild the Gravity Thickener Clarifier Drive Assembly. The project includes removal, rebuild, and re-installation of the assembly, including motor, speed reducer, chain drive, gears, and related components. Bidders must provide new, commercially available materials and comply with all safety requirements. The bid opening is scheduled for September 21, 2026, with a question cutoff date of September 11, 2026. Bids can be submitted electronically or as sealed paper responses.

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