Chiller Replacement Roybal Campus

Amendment / Modification

Amendment 0002 to the solicitation has been issued with the following purposes:

• Release of DRAFT responses to Requests for Information (RFIs).
• All other solicitation details remain unchanged.

This amendment primarily addresses clarifications through RFI responses, which are typically provided as separate attachments or integrated into the solicitation document. The specific RFI responses are not detailed in this amendment notice itself, but their release is noted.

This amendment states that all other solicitation details remain the same, implying no changes to proposal deadlines, requirements, or evaluation factors unless otherwise specified in the released RFI responses.

Amendment / Modification

This amendment (0001) to Solicitation No. 75D301-26-R-73398 introduces the following changes:

• Additional Site Visit: An additional site visit is scheduled for June 10th at 10:00 AM at the Roybal Campus. A visitor sheet must be submitted for this visit. Contractors who did not attend the previous site visit must provide a Non-Disclosure Agreement (NDA). The visitor sheet and NDA are due by noon on June 8th. Late submissions will not be accepted.
• Proposal Due Date Extension: The proposal due date has been extended to June 26th at Noon.

• The site visit details and proposal due date are modified.

• Offerors must note the new site visit requirements and the extended proposal submission deadline.

Other / Unclassified

This document is a sign-in sheet for a site visit related to the "75D301-26-R-73398 B10 Chiller Replacement" at the Roybal Campus – B10. The site visit took place on May 19, 2026, at 10:00 AM.

This document lists the attendees from various organizations who participated in the site visit. It includes their names, organizations, phone numbers, and email addresses. This information may be useful for potential bidders to identify key personnel or companies involved in the site visit, which could be relevant for understanding the project's stakeholders and potential subcontractors or partners.

Form / Attachment / Pricing Sheet

This document is a Contractor Non-Disclosure Agreement (NDA) required by the Centers for Disease Control and Prevention (CDC). It outlines the terms and conditions for contractor employees who will access non-public, confidential, or privileged information during their work for the CDC.

• Non-public Information: Defines confidential and privileged information accessible through government IT systems.
• Employee NDAs: Requires contractor employees to sign an NDA provided by the CDC before accessing information or starting work. Signed copies must be submitted to the contracting official.
• Prohibited Disclosure: Prohibits employees from disclosing non-public or procurement-sensitive information to unauthorized individuals.
• Procurement-Sensitive Information: Specifically defines and restricts the disclosure of information related to solicitations, RFPs, responses, procurement data, strategies, source selection, and offeror identities.
• Conflict of Interest: States that access to procurement-sensitive information may preclude the contractor from competing on related acquisitions.
• Identification Procedures: Mandates how contractor employees must identify themselves to CDC employees, government entities, the public, and the media, and in written communications (email, voicemail).
• Logo Usage: Restricts the use of CDC logos on contractor employee clothing, with limited exceptions.
• Legal Penalties: References federal laws (18 U.S.C. 641 and 18 U.S.C. 2071) regarding penalties for unlawful removal or destruction of public records.

Bidders must understand that if awarded a contract, their employees will be required to sign this NDA. Failure to comply with the NDA requirements, including timely submission of signed agreements, could delay or prevent employees from commencing or continuing work. Furthermore, access to procurement-sensitive information may disqualify the contractor from competing on future acquisitions related to that information. Bidders should also note the strict identification and communication protocols required for their employees.

Solicitation / RFP / RFQ

This solicitation is for the modernization of Building 10 (central plant) at the CDC Roybal Campus in Atlanta, Georgia. The project involves design-build services to replace aging chilled-water plant equipment, upgrade electrical and controls infrastructure, and ensure continuity of campus operations during phased execution. The estimated magnitude of construction is between $15,000,000 and $25,000,000.

• Provide design, engineering, management, supervision, labor, materials, equipment, testing, commissioning, training, and closeout services.

• Replace four existing 1,450-ton chillers with new 1,800-ton chillers.

• Replace nine existing cooling tower cells with eight new cells, including structural modifications.

• Replace primary chilled-water pumps, condenser-water pumps, and associated controls and piping.

• Perform associated medium-voltage and low-voltage electrical upgrades, BAS/controls integration, structural work, fire protection modifications, and ancillary systems work.

• Phased execution is required, with no more than two chillers removed from service at any time.

• Deliverables include 30/60/90 percent design submittals, baseline construction progress schedule, meeting minutes, site visit reports, service interruption packages, construction phasing plans, outage plans, commissioning plans, and closeout documents.

• Contract Type: Firm Fixed Price Design-Build Construction.

• Period of Performance: 462 calendar days after Notice to Proceed.

• Performance Bonds: Required.

• Proposals are due by 10:00 a.m. local time on June 17, 2026.

• Questions are due by 12:00 p.m. local time on May 27, 2026.

• Evaluation will be based on a tradeoff process, considering Past Performance, Technical Approach, Organization of Proposed Team and Team Members' Professional Qualifications, Project Schedule, and Price. Non-price factors are significantly more important than price.

• NAICS Code: 238220, Mechanical.

• Small business program representations are required.

• A site visit is scheduled for May 19, 2026, at 10:00 a.m. local time. Attendance is limited to U.S. citizens (max three per offeror).

• Non-disclosure agreements are required for site visit attendance and for access to certain project information.

• Attachment A contains the Statement of Work (B10 Modernization, dated June 6, 2025).

Statement of Work (SOW) / Performance Work Statement (PWS)

This Statement of Work details the design and construction services for the modernization of the B10 central plant at the Centers for Disease Control and Prevention (CDC) Roybal Campus in Atlanta, GA. The project aims to improve the reliability and capacity of the central plant to meet campus needs.

• Chilled Water Improvements: Replace four existing 1,450-ton chillers with new 1,800-ton chillers. Replace nine cooling towers with eight new ones. Replace four primary chilled water pumps and add Variable Frequency Drives (VFDs). Replace four condenser water pumps and starters. Upgrade electrical systems to support new chillers. Upgrade walkways and structural elements. Modernize chiller plant instrumentation and controls to implement a variable primary chilled water flow scheme.

• Design: Provide complete design, including specifications, equipment schedules, mechanical, electrical, structural, and controls drawings. Generate documentation illustrating project phasing to minimize plant disruption. Submit 30%, 60%, and 90% design phase submittals for review.

• Mechanical: Chillers must have a design capacity of 1800 TONS with specific efficiency requirements. Cooling towers will be designed and installed to ensure uniform basin levels. New towers will be retrofitted into the existing footprint, with necessary structural and roofing modifications.

• Piping: Modify chilled water return piping and replace all existing condenser water piping serving chillers and cooling towers. Replace all associated valves, strainers, and check valves.

• Electrical: Upgrade Medium Voltage (MV) systems, including removing and replacing load interrupter switches and motor starters. Recircuit chiller units to MV switchgear and update protective settings. Relocate MV switchgear components. Integrate chiller units and starters into the Building Automation System (BAS). Upgrade Low Voltage (LV) systems, including replacing motor control centers and auxiliary motors. Provide local VFDs and disconnect switches. Integrate chiller auxiliaries and other equipment into BAS.

• Controls: Install controls for chillers 1-4 to match the recently replaced chiller 6&7. Update refrigerant monitoring and provide inputs to BAS. All new chilled water and condenser water valves will have electric actuators. VFDs for pump and fan control will have hardwired points for start-stop and speed reference. Update outdated controls for other building systems not directly associated with the chiller/cooling tower group.

• Structural: Make structural improvements to adequately support new cooling towers and provide safe access for maintenance.

• Fire Protection: Update fire protection as needed for new cooling towers, and relocate fire alarm conduit and sprinkler pipes as required.

• Commissioning: A third-party commissioning agent will verify BAS installation and integrated system testing. The contractor will provide a commissioning plan and support commissioning activities.

• The project is located at the CDC Roybal Campus, 1600 Clifton Road, Atlanta, GA.

• Construction Complete: Not later than 462 calendar days from Task Order Award.

• Security: Baseline security requirements include smart card badging for routine access. Non-badged personnel access is limited.

• Sustainability: Use recycled content materials, follow "recovered mineral component" requirements, and specify post-consumer recycled content and pre-consumer content where possible.

• Electronic and Information Technology (EIT) Accessibility: Offerors must comply with established HHS EIT accessibility standards (Section 508).

• Contract Type: Firm Fixed Price.

• Payment: Monthly payment based on progress on the cost-loaded schedule.

• Includes conference and meeting records, site visit reports, photographs, firm fixed price proposals, initial construction progress schedules, revised schedules, SIR and PAR forms, construction phasing plans, commissioning reports, close-out documentation, and as-built documents.

• Demonstrated experience in design-build projects, government contracting, and central plant renovations/upgrades. Experience with performance conditions, coordination, budget, schedule, and quality/safety standards is essential.

Form / Attachment / Pricing Sheet

This document is a General Decision Number (GDN) for wage determination, specifically for Building Construction Projects in DeKalb County, Georgia. It outlines the prevailing wage rates and fringe benefits required for various construction trades.

• General Decision Number: GA20260305 (Superseded by GA20250305)
• State: Georgia
• County: DeKalb County
• Construction Type: Building Construction Projects (excluding single-family homes up to 4 stories)
• Trades Covered: Includes rates for Asbestos Worker/Heat & Frost Insulator, Millwright, Electrician (with and without low voltage wiring), various Operator roles (Backhoe/Excavator/Trackhoe, Crane, Forklift, Loader, Roller), Ironworker (Ornamental, Structural, Reinforcing), Pipefitter, Plumber, Sheet Metal Worker, Carpenter, Cement Mason/Concrete Finisher, Glazier, Installer-Guardrail, Laborer (Asphalt, Common/General, Pipelayer), Painter, and Welder.
• Rates and Fringes: Specific hourly rates and fringe benefit amounts are listed for each trade and classification.
• Effective Dates: Various dates are listed for the applicability of specific rates.

Bidders must use these prevailing wage rates and fringe benefits when preparing their proposals for any construction contracts in the specified area and type of construction. Failure to comply with these wage requirements can lead to contract violations. The document also provides information on the Wage Determination Appeals Process.

Form / Attachment / Pricing Sheet

This document is a Visitor Request Form for access to CDC Campuses, specifically for a site visit related to the "P202210098 B10 Domestic Water Replacement" project. It is used to request and document visitor access for a site visit.

• Date of Request: 05/06/2026
• Project: P202210098 B10 Domestic Water Replacement
• CDC/PCMSO Point of Contact: Wes Bryan
• Campus, Building(s), Floor(s): Roybal Campus, BLDG 10, ALL
• Entry Point: Main Gate, Roybal Campus
• Purpose of Visit: Site visit Bldg. 10 chiller replacement
• Escort Name(s): Wes Bryan, Harsimerdeep Khera
• Visitor Information: Requires Full Name, US Citizen status, Visitor's Company Name, Cell Phone, Date of Visit, and Time/Duration.
• Penalties: States penalties for falsifying information under US Criminal Code (title 18, section 1001).
• Visitor Requirements: Visitors must be escorted at all times, require a photo ID for entry, and visitor badges are obtained during operating hours. Specific procedures are noted for foreign nationals.

Potential bidders involved in the "P202210098 B10 Domestic Water Replacement" project may need to use or be aware of this form if a site visit is required or permitted. It outlines the process for gaining access to CDC facilities, including necessary identification, escort requirements, and the specific purpose for which access is being requested (site visit for chiller replacement). Understanding these access procedures is crucial for planning and executing any on-site activities related to the opportunity.

Other / Unclassified

This document is a Pre-Solicitation Information Memorandum from the Centers for Disease Control and Prevention (CDC) regarding the B10 Modernization project at the CDC Roybal Campus in Atlanta, Georgia. It provides preliminary information about an anticipated solicitation for design-build services to modernize the Building 10 central plant. The project involves replacing aging chilled-water plant equipment and associated infrastructure, with phased execution planned to ensure continuity of campus operations.

This notice is for informational purposes only and does not constitute a solicitation or a commitment to issue one. The official solicitation, when issued, will contain the final scope of work, instructions, and submission requirements.

• Solicitation release: May 8, 2026
• Site visit: May 20, 2026
• Request for Information due: May 28, 2026
• Proposal due date: June 15, 2026

Note: All dates are anticipated and subject to change. Detailed site visit procedures, RFI instructions, and proposal submission requirements will be provided in the official solicitation.

Solicitation / RFP / RFQ

This solicitation is for the "B10 Chiller Replacement, Roybal Campus" project at the Centers for Disease Control and Prevention (CDC) Roybal Campus in Atlanta, Georgia. The objective is to modernize Building 10's central plant by replacing aging chilled-water plant equipment, improving electrical and controls infrastructure, and ensuring continuity of campus operations during phased execution. The contract will be a firm-fixed-price design-build construction contract.

• Provide complete design, engineering, management, supervision, labor, materials, equipment, testing, commissioning, training, and closeout services.

• Replace four existing 1,450-ton chillers with new 1,800-ton chillers.

• Replace nine existing cooling tower cells with eight new cells, including associated structural and piping modifications.

• Replace primary chilled-water pumps, condenser-water pumps, and associated VFDs.

• Perform associated medium-voltage and low-voltage electrical upgrades, BAS/controls integration, structural work, and fire protection modifications.

• Phased execution is required, with no more than two chillers removed from service at any time.

• Deliverables include 30/60/90 percent design submittals, baseline construction progress schedule, meeting minutes, site visit reports, service interruption/activity review packages, construction phasing/outage plans, commissioning plans/reports, and closeout documents.

• Contract Type: Firm Fixed Price, Not Severable.

• Period of Performance: 462 calendar days after Notice to Proceed.

• Estimated Value: Not explicitly stated, but proposals will be evaluated for price/cost to the Government.

• Proposals are due electronically by email to hkhera@cdc.gov no later than 10:00 a.m. local time on June 15, 2026.

• Evaluation will be based on a tradeoff process, with Past Performance being the most important non-price factor, followed by Technical Approach, Organization/Qualifications, and Project Schedule. Price is also a significant factor.

• Award will be made to the responsible offeror whose proposal represents the best value.

• Not specified as a set-aside.

• Offerors must maintain active registration in SAM.

• Site visit attendance is limited to U.S. citizens.

• A site visit is scheduled for May 6, 2026, at 10:00 a.m. local time.

• Questions are due by May 18, 2026.

• Attachment A contains the Statement of Work (B10 Modernization).

• Key personnel are required for contract performance.

Statement of Work (SOW) / Performance Work Statement (PWS)

This Statement of Work (SOW) details the design and construction services for the modernization of the B10 central plant at the Centers for Disease Control and Prevention (CDC) Roybal Campus in Atlanta, GA. The project aims to improve the reliability and capacity of the central plant to meet campus needs.

• Design: Provide complete design, including specifications, equipment schedules, and mechanical, electrical, and structural drawings. Phasing of the project must be clearly illustrated to minimize plant disruption. 30%, 60%, and 90% design phase submittals are required.

• Chilled Water Improvements: Replace four existing 1,450-ton chillers with new 1,800-ton chillers. Replace nine cooling towers with eight new ones. Replace four primary chilled water pumps and add Variable Frequency Drives (VFDs). Upgrade associated equipment, including condenser water pumps, starters, walkways, and structural elements. Upgrade chiller plant instrumentation and controls to provide a variable primary chilled water flow scheme. Project will be phased to minimize downtime, with no more than two chillers out of service at any time.

• Mechanical: Includes specific requirements for new chillers (capacity, efficiency, refrigerant, controls), cooling towers (design, sizing, piping, access), pumps (primary chilled water, condenser water), and piping modifications for chilled water, condenser water, and associated valves.

• Electrical: Includes removal and replacement of MV load interrupter switches and motor starters, recircuiting chiller units to MV switchgear, updating protective settings, relocating MV switchgear, and integrating chiller units to BAS infrastructure. LV systems include replacing motor control centers and auxiliary motors, and recircuiting to new or existing switchboards. Other electrical duties include harmonic analysis, short-circuit/arc flash studies, and NETA ATS/MTS acceptance tests.

• Controls: Install new infrastructure and front-end controls for chillers 1-4 to match existing systems (chillers 6&7). Update controls for other building systems, including generator, HVAC, and condenser water filtration. Ensure redundancy in chilled water system controls. All obsolete control panels and devices are to be demolished.

• Structural: Make structural improvements to support new cooling towers and provide safe access for maintenance.

• Fire Protection: Update fire protection as needed for new cooling towers, extending existing sprinkler systems, and relocating fire alarm components.

• Commissioning: A third-party commissioning agent will verify BAS installation and integrated system testing. The contractor must provide a commissioning plan and support testing activities.

• Place of Performance: B10 Modernization, CDC Roybal Campus, 1600 Clifton Road, Atlanta, GA.

• Period of Performance: Not later than 462 calendar days from Task Order Award.

• Security: Baseline security requirements include smart card badging for routine access. Non-badged personnel access is limited.

• Sustainability: Use recycled content materials, specify Post-consumer recycled content, and prioritize materials manufactured within 500 miles.

• Electronic and Information Technology (EIT) Accessibility: Offerors must comply with HHS EIT accessibility standards (Section 508).

• Contract Type: Firm Fixed Price.

• Payment: Monthly payment based on progress on the cost-loaded schedule.

• Evaluation Criteria: Past Performance (25%), Technical Approach (25%), Team Member's Professional Qualifications (25%), Project Schedule (25%).

• Deliverables: Include conference records, site visit reports, photographs, fixed-price proposals, construction progress schedules, SIR/PAR forms, construction phasing plans, commissioning reports, close-out documentation, and as-built documents.

• Minimum Vendor Qualifications: Contractor must demonstrate capability, knowledge, expertise, and experience with design-build projects, government contracting, and central plant renovations/upgrades.

Form / Attachment / Pricing Sheet

This document is a General Decision Number (GDN) for wage determination, specifically for building construction projects in DeKalb County, Georgia. It outlines the prevailing wage rates and fringe benefits required for various construction trades.

• General Decision Number: GA20260305 (Superseded by GA20250305)
• State: Georgia
• County: DeKalb County
• Construction Type: Building Construction Projects (excluding single-family homes up to 4 stories).
• Effective Dates: Various dates, with the latest modification dated 01/23/2026.
• Classifications and Rates: Lists specific trades (e.g., Asbestos Worker, Electrician, Operator, Laborer, Painter, Welder) with their corresponding hourly wage rates and fringe benefits.
• Identifiers: Explains various identifiers (e.g., "SU", "UAVG", "SA") used to denote the source and type of wage rate (union, survey, state adopted).
• Executive Orders: Notes applicability of Executive Order 13706 (Paid Sick Leave) and Executive Order 13658 (Minimum Wage for Federal Contractors).
• Appeals Process: Outlines the process for appealing wage determination decisions.

Bidders must use these prevailing wage rates to ensure compliance with labor standards for any federal construction contracts awarded in the specified geographic area and for the specified construction type. Failure to adhere to these rates can result in penalties. The document is crucial for accurate cost estimation and proposal development.

Form / Attachment / Pricing Sheet

This document is a Visitor Request Form for access to CDC Campuses. It is used to request and document visitor access for specific purposes, such as site visits related to government projects.

• Date of Request: 05/06/2026
• Project: P202210098 B10 Domestic Water Replacement
• CDC/PCMSO Point of Contact: Wes Bryan
• Campus, Building(s) & Floor(s): Roybal Campus, BLDG 10, ALL
• Entry Point: Main Gate, Roybal Campus
• Purpose of Visit: Site visit Bldg. 10 chiller replacement
• Visitor Information: Includes fields for Full Name, US Citizen status, Company Name, Cell Phone, and Date/Time/Duration of Visit.
• Escort Information: Names of individuals providing escort.
• Penalties: Statement regarding penalties for falsifying information (US Criminal Code, title 18, section 1001).
• Visitor Requirements: Visitors must be escorted, require photo ID, and obtain badges during operating hours. Specific procedures are noted for foreign nationals.

This form is relevant to bidders who may need to visit CDC facilities as part of the project (P202210098 B10 Domestic Water Replacement). It outlines the process and requirements for obtaining access, including necessary information to provide, escort requirements, and identification needed. Bidders should review this to understand site visit procedures if applicable to their proposal or contract performance.

Form / Attachment / Pricing Sheet

This document is a Contractor Non-Disclosure Agreement (NDA) required by the Centers for Disease Control and Prevention (CDC). It outlines the terms and conditions under which contractor employees will access and handle non-public and procurement-sensitive information.

• Non-public Information: Defines confidential and privileged information accessible through government IT systems. Contractor employees must sign an NDA provided by the CDC before accessing this information or commencing work.
• Procurement-Sensitive Information: Includes details on Statements of Work (SOW), Requests for Contract (RFC), Requests for Proposal (RFP), responses, and other procurement-related communications. Access to this information may preclude the contractor from competing on related acquisitions.
• Identification of Non-Government Employees: Specifies procedures for contractor employees to identify themselves as non-government personnel during interactions with CDC employees, the public, or media. This includes required disclosures in written communications (email, voicemail) and proper identification during conversations.
• Compliance: Contractor employees must not wear CDC logos unless authorized, and must program voicemail to identify themselves as contractor employees.
• Legal Penalties: Acknowledges that federal laws provide criminal penalties for unlawfully removing or destroying public records.

Bidders must understand that their employees will be required to sign this NDA. Access to procurement-sensitive information may disqualify the contractor from competing for acquisitions resulting from that information. Proper identification procedures for contractor employees are also mandatory.

Form / Attachment / Pricing Sheet

This document is a Contractor Employee Non-Disclosure Agreement (NDA) required by the Centers for Disease Control and Prevention (CDC). It outlines the terms and conditions under which contractor employees must handle non-public, confidential, privileged, and procurement-sensitive information accessed during their work with the CDC.

• Non-Public Information: Defines confidential and privileged information and requires employees to use it solely for CDC responsibilities and not disclose it to unauthorized individuals.
• Procurement-Sensitive Information: Specifically addresses information related to solicitations, proposals, contract awards, and related communications. It prohibits disclosure without prior written CDC permission, including to employees within the contractor's own company.
• Conflict of Interest: States that access to procurement-sensitive information may preclude the employee, their current employer, or future employers from competing for resulting government acquisitions.
• System Access: Details limitations on access to CDC grants management and procurement systems.
• Identification as Non-Government Employee: Requires contractors to identify themselves as such in communications and interactions, unless otherwise authorized by the CDC.
• Legal Penalties: References federal laws (18 U.S.C. 641 and 18 U.S.C. 2071) regarding penalties for unlawful handling of public records.

Bidders should understand that their employees, if awarded a contract, will be required to sign this NDA. This agreement highlights the sensitive nature of information they may encounter, particularly procurement-sensitive data, and the potential restrictions on future contract bidding if such information is accessed. It also mandates specific identification procedures for contractor personnel interacting with government employees or the public.