Replacement of HVAC Systems at the F. Wayne Hill Water Resources Center Operations Building

Location:	Georgia
Posted:	May 12, 2026
Due:	May 20, 2026
Agency:	Gwinnett County
Type of Government:	State & Local
Category:	Z - Maintenance, Repair or Alteration of Real Property
Solicitation No:	BL063-26 INV
Publication URL:	To access bid details, please log in.

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BL063-26

Page 1 of 61

March 24, 2026

INVITATION TO BID

BL063-26

The Gwinnett County Board of Commissioners is soliciting competitive sealed bids from qualified contractors for the

Replacement of HVAC Systems at the F. Wayne Hill Water Resources Center Operations Building for the Department

of Water Resources.

Bids should be typed or submitted in ink and returned in a sealed container marked on the outside with the BL# and

Company Name. Bids will be received until 2:50 P.M. local time May 15, 2026, at the Gwinnett County Financial

Services - Purchasing Division – 2nd Floor, 75 Langley Drive, Lawrenceville, Georgia 30046. Any bid received after this

date and time will not be accepted. Bids will be publicly opened and read at 3:00 P.M.

The bid opening will be virtual ONLY. To access the bid opening virtually, visit the following link:

https://gwinnettgov.webex.com/gwinnettgov/j.php?MTID=mdf33266278ea1250c94b5b0914c276d7. Apparent bid

results will be available the following business day on the website www.GwinnettCounty.com.

A pre-bid conference is scheduled for 10:00 A.M. on April 23, 2026, at the Gwinnett County F. Wayne Hill Water

Resources Center Conference Room located at 1500 One Water Way, Buford, GA 30519. All contractors are urged to

attend. Questions regarding bids should be directed to Anna West, Purchasing Associate II, at

Anna.West@GwinnettCounty.com or by calling 770-822-7862, no later than April 28, 2026. Bids are legal and binding

upon the vendor when submitted. All bids should be submitted in duplicate.

All suppliers must submit with bid, a bid bond, certified check or cashier's check in the amount of five percent (5%) of

the total bid. Failure to submit a bid bond with the proper rating will result in the bid being deemed non-

responsive. Successful supplier will be required to meet insurance requirements, submit a one hundred percent

(100%) performance bond and a one hundred percent (100%) payment bond. Insurance and Bonding Company should

be licensed to do business by the Georgia Secretary of State, authorized to do business in Georgia by The Georgia

Insurance Department, listed in the Department of Treasury's Publication of Companies holding Certificates of

Authority as Acceptable Surety on Federal Bonds and as acceptable reinsuring companies. The bid bond, payment

bond, and performance bond must have an A.M. Best rating of A-7 or higher.

Gwinnett County does not discriminate on the basis of disability in the admission or access to its programs or

activities. Any requests for reasonable accommodations required by individuals to fully participate in any open

meeting, program or activity of Gwinnett County Government should be directed to the ADA Coordinator at the

Gwinnett County Justice and Administration Center, 770-822-8165.

The written bid documents supersede any verbal or written prior communications between the parties.

Award will be made to the contractor submitting the lowest responsive and responsible bid. Gwinnett County reserves

the right to reject any or all bids to waive technicalities and to make an award deemed in its best interest. Bids may

be split or awarded in entirety. Gwinnett County reserves the option to negotiate terms, conditions and pricing with

the lowest responsive, responsible vendor(s) at its discretion.

Award notification will be posted after award on the County website, www.gwinnettcounty.com and companies

submitting a bid will be notified via email.

We look forward to your bid and appreciate your interest in Gwinnett County.

Anna West

Purchasing Associate II

The following pages should be returned in duplicate as your bid:

Bid Schedule, Pages 5-8

Equipment Information, Page 9

References, Page 10

Code of Ethics, Page 11

Contractor Affidavit and Agreement, Page 12

Bid Bond, Pages 13-14

BL063-26

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SCOPE OF WORK:

F. Wayne Hill Water Resource Center (FWHWRC) is experiencing issues with the Heating

Ventilation Air Conditioning (HVAC) equipment that services the Operations Building. The building

and HVAC systems were installed in 2002. Two of the Air Handling Units (AHU) are located in a

mechanical room on the ground level and are accessible through double doors. The third unit is

located on a mezzanine floor space above the laboratory and is only accessible using a vertical

fixed mounted ladder through an approximate 30” by 30” opening in the mezzanine floor. All units

are supplied with chilled water from a chilled water system located outside the building.

An assessment of the system performance and operation of the equipment was completed in

April 2024. The assessment highlighted the underperformance of three AHUs and the fan

powered terminal units. Concerns related to the chilled water capacity and pump control were

also noted. Further, the assessment revealed control and communication issues with the existing

Carrier iVue DDC automated control system. It was also highlighted that most of the equipment

has reached the end of its useful life.

In order to restore the HVAC system to provide the required conditioned space within the

Operations Building, Gwinnet County require replacement of the existing Control System, three

HVAC/AHU units, all the Variable Air Volume (VAV) Terminal Units and the two chilled water

pumps. The two accessible AHUs are to be removed and replaced in their current locations. The

third AHU is to be demolished into small pieces for removal through a manway access, and the

replacement unit relocated to the Warehouse to provide better access for future repair and

maintenance. The two chilled water pumps and their appurtenances are to be replaced.

Bids are requested for the supply and complete installation of replacement equipment and all

modifications to the existing equipment pads, ducting, chilled water pipes, drains, electrical and

control connections required for the complete operation, control and monitoring of the systems

within the Operations Building. The location of FWHWRC is 1500 One Water Way, Buford, GA

30519. The location of the Operations Building is shown in Figure 1.

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A critical component of this project is the Operations Building will be in use and occupied 24/7

during construction and work will need to be carried out with no interruptions to plant operations.

The Contractor will be responsible for setting up temporary cooling units to maintain the building

temperatures during the work.

Bids are requested for the following services:

1. Supply of all information requested on this bid.

2. Site visit to confirm any measurements prior to preparation of the shop drawings.

3. Assessment of the existing electrical connections to ensure they are rated for replacement

equipment.

4. Submission of specified submittals for approval prior to ordering equipment and materials.

5. Procure, deliver and install the following replacement equipment:

o Chilled Water Pumps and Trim (pressure gauges and triple duty valves)

o Air Handling Units

o Automated Controls

o VAVs

o Ducts and piping

o Electrical equipment

o Dampers

6. Modifications to existing ducts, pipework electrical systems and control systems and

structures and installation of the replacement equipment and all ancillaries.

7. Provide a manufacturing and delivery schedule and provide monthly progress updates.

8. Coordination and delivery to FWHWRC, 1500 One Water Way, Buford, GA, 30519.

9. Provision of temporary cooling.

10. Start up assistance and Owner training.

11. Provision of Operating and Maintenance manuals.

The scope of work is detailed in Attachment 1. Project Drawings and Specifications are provided

in Attachments 2 and 3 respectively. Record drawings are provided in Attachment 4.

The following information sheets should be submitted with the bid.

1. Make, model, and weight of each component.

2. Manufacturer’s catalog information, descriptive literature, specifications, and materials of

construction.

3. Complete description of equipment and other ancillary items.

4. Plan and section views of equipment and dimensional tolerances required for installation

and maintenance.

5. A complete listing of materials.

6. Drawings of AHU and VAV.

7. Manufacturer Certificate of Compliance with materials specifications shall be submitted

prior to shipment of the equipment. The certificate shall certify that materials,

manufacturer, and final product conforms to or exceeds specified requirements and intent

for which the product will be used. Submit supporting reference data, affidavits, and

certificates as appropriate. The certificate may reflect recent or previous test results on

material or product, acceptable to the Engineer.

8. Table 1 Preliminary Equipment Information Summary

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PRELIMINARY CONSTRUCTION SCHEDULE

The Operations Building will be occupied during the project as essential activities are required to

be maintained to keep the facility operational. Disruption to normal plant operation and

occupation of the different space is to be minimized. Coordination with Owner’s Plant staff is

required to establish an overall work sequencing and schedule for each element of the work. A

preliminary work sequence is proposed below for information purposes and to enable contractors

to consider the most efficient work sequence and schedule that will be acceptable to operations

staff and minimize the need for temporary cooling.

1. Replacement of the chilled water pumps to maintain supply to AHU units.

2. Replacement of one HVAC system (serviced by a single AHU and all associated VAVs,

ducts, pipes, electrical etc.) at a time. One system can be taken out of services and replaced

whilst the two other systems remain in operation: Once the system has been replaced and

is returned to operation, the next system can be taken out of service. This will allow partial

cooling during the work.

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FAILURE TO RETURN THIS PAGE AS PART OF YOUR BID DOCUMENT MAY RESULT IN REJECTION

BID SCHEDULE

ITEM

DESCRIPTION

PART 1 - GENERAL

Post award onsite visit to obtain information to

1.1 confirm installation, electrical and control

requirements and modifications.

1.2

Submittal preparation, shop drawings and

submissions.

1.3 Provide Temporary Cooling Systems

Provide two hard copies and one electronic

1.4 copy of the operating and maintenance

manuals for all equipment items.

Onsite training to Owner staff on system

operation and

1.5

maintenance including all travel,

accommodation and

ancillary expenses etc. (two non-consecutive

visits of 8 hours each day).

1.6

Cost for post-handover assistance of 1 day

visit if requested by Owner.

QTY

MANUFACTURER

& NO.

1 LS

Weeks

1 LS

2 DAYS

1 DAY

Delivery A.R.O

UNIT PRICE

PART 2 – 61-AIR HANDLING UNIT-1

Disconnect, demolish, remove and dispose of

2.1 existing unit, including all ancillaries not

1 LS

required for replacement unit.

2.2 Procure and deliver unit.

1 LS

Install unit including all modifications to

2.3 equipment pads and connections to existing

1 LS

ducting and piping.

2.4 Electrical and control modifications.

1 LS

2.5 Testing, start up and balancing.

1 LS

TOTAL COST

Company Name:

This is the opportunity summary page. It provides an overview of this opportunity and a preview of the attached documentation.

Replacement of HVAC Systems at the F. Wayne Hill Water Resources Center Operations Building

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