Project Information

Bid Title

Replacement of Particle Counters at the Lanier and Shoal Creek Filter Plants

Issuing Agency

Gwinnett County

Location

Georgia

Published Date

May 12, 2026

Closing Date

May 18, 2026

Government Level

State & Local

Status

Closed

Ref. #

BL046-26 INV

Original Source

Join to Access Full Details

Bid Inquiries

Join to Access Full Details

Bid Documents

Join to Access Full Details

Project Description

BL046-26 INV

Replacement of Particle Counters at the Lanier and Shoal Creek Filter Plants

Buyer Contact : Anna.West@GwinnettCounty.com

Opening Date : 05/18/2026 03:00 PM EST

Virtual Bid Opening

Addendum : BL046-26 ADD 1 , BL046-26 ADD2

Attachment Preview

BL046-26

Page 1 of 28

March 13, 2026

INVITATION TO BID

BL046-26

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

Replacement of Particle Counters at the Lanier and Shoal Creek Filter Plants for the Department of Water Resources.

Bid Submittal Date and Location:

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 on May 8, 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=m4f021e13657529b2834e7881f2773cbf),

or dial 408-418-9388 and enter Conference ID 23386881298##. 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 16, 2026, at the Gwinnett County Lanier Filter Plant

Conference Room, located at 2590 S. Waterworks Road, Buford, GA 30518. All contractors are urged to attend.

Pre-Bid Substitutions:

Submit requests to include products of Manufacturer’s not listed as acceptable Manufacturers under Section 40 91

02.01 to Purchasing no later than 3:00PM, April 16, 2026. Provide all the information required for a substitution

including but not limited to technical data sheets and any other documentation to show equivalence. Gwinnett County

Purchasing will issue Addenda as appropriate if any of the proposed substitutions to the Manufacturer’s list are

accepted or denied. A Bid submitted with manufacturers not included in the manufacturers list, except as modified by

Addenda, will be considered non-responsive.

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 30, 2026. Bids are legal and binding

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

Successful contractors will be required to meet insurance requirements. The Insurance Company should be authorized

to do business in Georgia by the Georgia Insurance Department and 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

BL046-26

Page 2 of 28

SECTION1: SCOPE OF WORK

1. Procure and install replacement particle counters as specified. Gwinnett County

Department of Water Resources (GCDWR) is requesting replacement units be Particle

Counter PC3400 manufactured by Chemtrac or approved equal.

2. Supply all information requested on this bid.

3. Replacement particle counters should be installed in the locations of the existing particle

counters with minimal structural, communications, or electrical power modifications.

Particle counter configuration should be compatible with the existing water connections.

a. Modify electrical power supply at Shoal Creek Filter Plant (SCFP) instrumentation

racks as needed to suit replacement units.

4. Drawings showing the location of the existing particle counters that are to be replaced at

Lanier Filter Plant (LFP), and photos of the existing particle counters are shown in

Attachment 1 to assist the contractor in assessing installation requirements of

replacement particle counters. Drawings and photos of the existing particle counters at

SCFP are shown in Attachment 2 to assist the contractor in assessing installation

requirements of replacement particle counters.

5. Contractor representative to visit site to field verify and ensure that proposed replacement

equipment will match existing installation, prior to submitting equipment submittals.

Confirm that the existing instrumentation rack location can be reused or modified for the

replacement particle counters to be mounted in existing area.

6. The intention is to

a. Replace twelve (12) particle counters in the LFP filter buildings and provide one (1)

new particle counter as a spare to keep at LFP warehouse.

b. Replace six (6) particle counters in the SCFP filter building.

7. Supply all material and services for the 13 particle counters at LFP and 6 particle counters

at SCFP in accordance with specifications.

8. Replacement of the particle counter units will be done one filter at a time. Contractor

should demonstrate that each installed unit is operating correctly and has been calibrated

before removing the next unit for replacement.

9. GCDWR may assist contractor with Lock-Out Tag-Out (LOTO) of existing particle counters

prior to work commencement.

10. GCDWR may assist contractor with isolating flow to the existing particle counters prior to

removal and introducing flow to the replacement units.

11. The contractor should disconnect existing units from power, communications, existing

influent/effluent flow tubing.

12. The contractor should remove existing units and dispose of the removed units off-site.

13. The contractor should install replacement units as specified.

14. The contractor should provide startup services.

15. GCDWR to perform any modifications to the SCADA system needed.

Facility Locations:

Shoal Creek Filter Plant

1755 Buford Dam Rd

Buford, GA 30518

Lanier Filter Plant

2590 S. Waterworks Rd

Buford, GA 30518

BL046-26

Page 3 of 28

The following particle counters have been identified for replacement:

Facility

Asset Description

Asset Tags

1 - Lanier Filter Plant

Filter 1A effluent

AIT-4901

2 - Lanier Filter Plant

Filter 1B effluent

AIT-4902

3 - Lanier Filter Plant

Filter 2A effluent

AIT-4903

4 - Lanier Filter Plant

Filter 2B effluent

AIT-4904

5 - Lanier Filter Plant

Filter 3A effluent

AIT-4905

6 - Lanier Filter Plant

Filter 3B effluent

AIT-4906

7 - Lanier Filter Plant

Filter 4A effluent

AIT-4907

8 - Lanier Filter Plant

Filter 4B effluent

AIT-4908

9 - Lanier Filter Plant

Filter 5A effluent

AIT-4909

10 - Lanier Filter Plant

Filter 5B effluent

AIT-4910

11 - Lanier Filter Plant

Filter 6A effluent

AIT-4911

12 - Lanier Filter Plant

Filter 6B effluent

AIT-4912

Filter 1 effluent

1 - Shoal Creek Filter Plant

AIT-2090-1

Filter 2 effluent

2 - Shoal Creek Filter Plant

AIT-2090-2

Filter 3 effluent

3 - Shoal Creek Filter Plant

AIT-2090-3

Filter 4 effluent

4 - Shoal Creek Filter Plant

AIT-2090-4

Filter 5 effluent

5 - Shoal Creek Filter Plant

AIT-2090-5

Filter 6 effluent

6 - Shoal Creek Filter Plant

AIT-2090-6

BL046-26

Page 4 of 28

Bids are requested for the following services and should be provided upon request:

1. Supply of all information requested on this bid.

2. Supply of particle counters, 4-20mA output boards, and all components to match

existing installations.

3. Complete design of any minor modifications to enable installation after removal of the

existing particle counters.

4. Provide a manufacturing and delivery schedule and provide monthly progress

updates.

5. Coordination and delivery of equipment to LFP and SCFP. Assembly of particle

counters and components.

6. Installation and start up services. Note that it is intended to undertake the work at one

plant at a time and the installation at each plant should be completed within the

number of weeks listed below to minimize process interruptions. There will be a one

week period between completion of the work at one plant and commencement of the

installation at the next plant to ensure the completed installation is operating correctly.

The start dates should be agreed upon with Plant staff.

a. Lanier Filter Plant: 2 weeks

b. Shoal Creek Filter Plant: 1 week

7. During each process interruption, GCDWR will isolate the flow to the work area. The

remainder of the facility will be in operation.

8. Provision of Contractor’s Certificate of Compliance

9. Provision of Contractor’s Certificate of Proper Installation.

10. Provision of Manufacturer’s Warranty.

11. Provision of two hard copies and one electronic copy (in searchable PDF format) of

Operating and Maintenance instructions for all components, including shop drawings

of equipment, spare parts list, preventative maintenance schedule, and

troubleshooting information.

12. Supply of specified spare parts and special tools for future maintenance.

Drawings and photographs of the two facilities are provided in the Attachments and the

following specifications are applicable:

SECTION 2: SPECIFICATIONS

Equipment should comply with the following specifications:

Section 01 43 33 – Vendors’ Field Services

Section 01 78 23 – Operation and Maintenance Data

Section 01 91 14 – Equipment Testing and Facility Startup

Section 40 91 02.01 – Analytical Measurement Components

The following information sheets should be submitted with the bid submittal.

1.

Make, model, and weight of replacement unit.

2.

Manufacturer’s catalog information, dimension drawings, descriptive literature,

specifications, and materials of construction.

3.

Complete description of particle counters and other ancillary items.

4.

A complete listing of materials for each particle counter component.

5.

Typical mounting details.

6.

List of any exceptions to this bid document and its contents.

BL046-26

SECTION 3: ATTACHMENTS

Attachment 1: LFP Existing Drawings and Photos

Attachment 2: SCFP Existing Drawings and Photos

Attachment 3: Existing Equipment Specifications

Attachment 4: Existing Equipment Drawings

Attachment 5: Proposed Equipment Data Sheet

Page 5 of 28

Commodity Codes

• NAICS 238220Plumbing, Heating, and Air-Conditioning Contractors
• NAICS 334516Analytical Laboratory Instrument Manufacturing

* Disclaimer: Government BidHub provides information on bids, RFPs (Requests for Proposals), and RFQs (Requests for Qualifications) solely for convenience and informational purposes. This site is not an official public notice board. For official details, responses, or inquiries, please contact the relevant government agency directly.