Gwinnett County Bids #BL063-26

Comprehensive HVAC System Replacement at F. Wayne Hill Water Resources Center Operations Building

Gwinnett County is seeking bids for the comprehensive replacement of HVAC systems at the F. Wayne Hill Water Resources Center Operations Building in Buford, GA. - Government Buyer: - Gwinnett County Department of Water Resources (Operations Building, F. Wayne Hill Water Resources Center) - Gwinnett County Department of Financial Services, Purchasing - OEMs and Vendors Mentioned: - Carrier (existing BAS system: i-Vue) - Trane (acceptable for controls) - Johnson Controls (acceptable for controls) - Products and Equipment Requested: - Chilled Water Pumps (2 units, duty/standby, max 5.5 HP, 1,750 rpm) - Air Handling Units (3 units: 61-AHU-1, 61-AHU-3, 61-AHU-4) - Variable Air Volume (VAV) Terminal Units (10 units: 61-VAV-1 through 61-VAV-10) - Fans (replacement in kind) - Variable Frequency Drives (VFDs) for pumps - Ducts and piping (galvanized, insulated, fire-rated) - Electrical equipment and controls (including integration with existing MCC panels, new disconnects, NEMA 4X enclosures) - Dampers and duct heaters - Coatings for equipment and piping - Services Requested: - Demolition and disposal of existing HVAC equipment, ducts, VAVs, pipework, and electrical - Temporary cooling/heating provision during construction - Start-up, testing, balancing, and commissioning (including 7-day observation period) - Manufacturer field services and up to 8 hours of staff training - Integration and commissioning with existing Carrier i-Vue BAS or open protocol systems (Trane, Johnson Controls acceptable) - Unique or Notable Requirements: - Phased construction to minimize operational disruption - Compatibility with existing chilled water and control systems - Compliance with OSHA, SMACNA, NFPA 90A/90B, and GCDWR standards - General Contractor and Mechanical licenses required - Manufacturer technical representatives must certify installation and provide training - Temporary cooling must be provided to occupied spaces during downtime - All work must be coordinated with plant staff and performed during normal working hours unless otherwise approved

Description

This solicitation is for the replacement of HVAC systems at the F. Wayne Hill Water Resources Center Operations Building in Gwinnett County, GA. The contractor is required to provide all necessary equipment, labor, materials, supervision, tools, transportation, and disposal to remove and replace HVAC equipment and ducts. The work includes demolition and disposal of existing HVAC equipment, installation of chilled water pumps, air handling units, VAVs, ducts, piping, electrical equipment, and dampers. The project requires coordination to minimize disruption to ongoing operations and compliance with relevant standards and site logistics.

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