SAM #75D301-26-R-73398

CDC Roybal Campus Chilled-Water Plant Modernization Design-Build Solicitation

The Centers for Disease Control and Prevention (CDC) is seeking a qualified contractor to provide comprehensive design-build services for the modernization of the central chilled-water plant in Building 10 at the CDC Roybal Campus in Atlanta, Georgia. - Government Buyer: - Centers for Disease Control and Prevention (CDC), Office of Acquisition Services - Contracting offices include CDC Roybal Campus and CDC Chamblee Campus - Products and Services Requested: - Replacement of four existing 1,450-ton chillers with four new 1,800-ton chillers - Replacement of nine cooling tower cells with eight new cells, including structural modifications and walkways - Replacement of primary chilled-water pumps and condenser-water pumps, with associated starters and variable frequency drives (VFDs) - Upgrades to medium-voltage and low-voltage electrical systems - Integration of new building automation system (BAS) controls, BACnet compatibility required - Modifications to chilled-water and condenser-water piping, isolation valves, and refrigerant monitoring systems - Structural, fire protection, and roofing work as needed - Complete design, engineering, management, supervision, labor, materials, equipment, testing, commissioning, training, and closeout documentation - Unique or Notable Requirements: - All work must be phased to maintain campus operations, with no more than two chillers out of service at any time - Compliance with EPA refrigerant guidelines and federal sustainability mandates (e.g., use of recycled materials) - Firm fixed-price contract with monthly payments - Strict schedule: all work to be completed within 462 calendar days of notice to proceed - BACnet-compatible controls and integration with existing BAS - No specific OEMs or vendors are named in the solicitation; the opportunity is open to qualified design-build contractors with relevant experience.

Description

This acquisition supports modernization of Building 10 (central plant) at the CDC Roybal Campus in Atlanta, Georgia. The objective is to provide complete design-build services to replace aging chilled-water plant equipment, improve electrical and controls infrastructure, maintain continuity of campus operations during phased execution, and deliver a fully commissioned and documented facility.

a.    Provide all design, engineering, management, supervision, labor, materials, equipment, testing, commissioning, training, and closeout services required to modernize the B10 chilled-water plant. b.    Replace four existing 1,450-ton chillers with new 1,800-ton chillers and provide associated starters, controls, piping, isolation valves, refrigerant monitoring, and appurtenances. c.    Replace nine existing cooling tower cells with eight new cells; provide structural modifications, walkways, maintenance access, valves, piping, and roofing work required for the new configuration. d.    Replace primary chilled-water pumps, condenser-water pumps, associated starters / VFDs, and modify chilled-water and condenser-water piping as required for the new plant arrangement. e.    Perform associated medium-voltage and low-voltage electrical upgrades, BAS / controls integration, structural work, fire protection modifications, and ancillary systems work identified in Attachment A. f.    Provide phased execution that preserves campus operations; no more than two chillers may be removed from service at one time.

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