Detail Sedimentation Mixer (WesTech) Technical Specification Summary

This file is a technical specification document for the City of Bradenton, Florida's rehabilitation project of Sedimentation Basin and Flocculator No. 2 at the Bradenton Water Treatment Plant. The document provides detailed specifications for the sedimentation mixer equipment, specifically addressing the removal, disassembly, modification, coating, and reinstallation of two existing sedimentation basin mixer systems. The project requires replacement of mixer gearbox assemblies with new WesTech gearbox units and includes comprehensive preparation work such as abrasive blasting and application of NSF-approved epoxy coatings. Bids were due April 7, 2026, at 2:30 p.m., with a non-mandatory pre-proposal meeting scheduled for March 20, 2026, and a question submission deadline of March 27, 2026. Construction must achieve substantial completion within 150 calendar days from the Notice to Proceed, with liquidated damages of $500 per calendar day assessed for delays.

The specification document establishes technical requirements for equipment installation, coating systems, and operational standards compliant with NSF approval requirements and high-performance coating specifications. Bidders must demonstrate experience with at least two similar projects involving concrete repair and high-performance coatings, with one project valued at not less than $500,000. A 5% bid bond is required, and performance and payment bonds equal to 100% of the contract amount are mandatory for bids exceeding $200,000. Commercial general liability insurance of $1,000,000 per occurrence is required, along with workers' compensation and business auto coverage. The document references WesTech as the specified equipment manufacturer for the gearbox assemblies, with subcontracting permitted up to 50% of the contract price subject to prior written approval from the Owner.