Project Information

Bid Title

Lump sum cost for 16” check valve designed to prevent backflow in potable piping systems Addendum 1

Issuing Agency

Gwinnett County

Location

Georgia

Published Date

Jan 27, 2026

Closing Date

Jan 29, 2026

Government Level

State & Local

Status

Closed

Ref. #

IWQ 121396 INV

Original Source

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Project Description

IWQ 121396 INV

IWQ 121396

Buyer Contact : Jordan.Mitchell@GwinnettCounty.com

Opening Date : 01/29/2026 03:00 PM EST

Addendum : IWQ 121396 ADD1

68

Attachment Preview

IWQ 1-XXXXXX

Page 1

DATE:

QUOTE NUMBER:

QUOTES SHOULD BE RECEIVED BY:

January 20, 2026

IWQ 121396

January 27, 2026 at 3:00 PM

Informal Written Quotations are being solicited from qualified suppliers for the following item(s). Informal Written Quotations may be returned via: Email:

Jordan.Mitchell@GwinnettCounty.com ; or Gwinnett County Department of Financial Services, Purchasing Division, 75 Langley Drive, Lawrenceville, Georgia, 30046, Attn: Jordan

Mitchell. Questions regarding quotes should be directed to Jordan Mitchell, Purchasing Associate II, at Jordan.Mitchell@GwinnettCounty.com or by calling 770-822-5491.

DELIVERY FOB DESTINATION PRE-PAID AND ALLOWED TO: Gwinnett County Department of Water Resources – 2590 South Waterworks Road, Buford. GA 30518

QTY

DESCRIPTION

MFG & NO.

DELIVERY A.R.O.

1 EA

Lump sum cost for 16” check valve designed

to prevent backflow in potable piping systems

NOTES:

• Unit Price must include ALL charges, including but not limited to supply and delivery.

• If you are quoting an equivalent to the specified items, please send specifications with your submittal.

TOTAL PRICE

$

Certification of Non-Collusion in Quote Preparation

Signature

Date

In compliance with the attached specifications, the undersigned offers and agrees, within ninety (90) days of the date of quote opening, to furnish any or all of the items upon which

prices are quoted, at the price set opposite each item, delivered to the designated point(s) within the time specified in the quote schedule. By submission of this quote, I understand

that Gwinnett County uses Electronic Payments for remittance of goods and services. Vendors should select their preferred method of electronic payment upon notice of award. For

more information on electronic payments, please refer to the Electronic Payment information in the instructions to vendors.

Legal Business Name

Federal Tax ID

Complete Address

Does your company currently have a location within Gwinnett County? Yes No

Representative Signature

Printed Name

Telephone Number

Fax Number

E-mail Address

IWQ 121396

16-Inch Check Valve – Specification Data Sheet

Page 2 of 16

1. General Description The 16-inch check valve is designed to prevent backflow in potable piping

systems. The valve operates automatically to allow flow in one direction and closes upon reverse flow,

protecting the system from water hammer. Suitable for horizontal or vertical installation (flow upward).

Valve Type: Swing Check Valve with a bottom buffer with adjustable final closing speed control.

Nominal Size: 16 inches (DN 400) Valve Lay Length of 39 ¼ inches

Pressure Rating: ANSI Class 150 (150 psi / 10 bar)

2. Standards Compliance

Standard

Description

AWWA C508 / C515 Ductile iron check valve for water service

MSS SP-70

Gray and ductile iron check valves

ASME B16.1

Flanged dimensions

NSF/ANSI 61

Potable water approval

3. Performance Data

Parameter

Value

Maximum Working Pressure 150 psi (10 bar)

Hydrostatic Test Pressure 225 psi (15.5 bar)

End-to-End Pressure Drop ≤ 5 psi at rated flow

Temperature Range

33°F – 140°F (0.5°C – 60°C)

Flow Orientation

Horizontal or vertical (upward flow)

4. Materials of Construction

Component

Body

Bonnet

Disc / Wheel

Seat

Material

Cast Iron, ASTM A126 Class B

Ductile Iron ASTM A536

Stainless Steel ASTM A356 Grade 65-45-12 Ductile Iron

Lead Free Bronze C95400 (potable water compatible)

IWQ 121396

Component

Material

Hinge Pin / Shaft

Stainless Steel ASTM A276 Type 316

Fasteners (Bolts / Nuts) Stainless Steel ASTM A193 / A194

Gasket

EPDM / NBR

5. End Connections – Standard: ANSI Class 125 flanged, drilled per ASME B16.1

Page 3 of 16

6. Operation & Maintenance - Automatic, flow-actuated, no external power required - Designed to

minimize water hammer - Internal inspection and seat/disc replacement without removing valve body -

Lubrication-free operation

Notes: - Suitable for potable water, raw water, and wastewater applications - All materials comply with

project water quality standards.

IWQ 121396

Page 4 of 16

IWQ 121396, Purchase of Tilting Disc Check Valve

CONTRACTOR AFFIDAVIT AND AGREEMENT

(THIS FORM SHOULD BE FULLY COMPLETED AND RETURNED WITH YOUR SUBMITTAL)

By executing this affidavit, the undersigned contractor verifies its compliance with The Illegal Immigration Reform

Enhancements for 2013, stating affirmatively that the individual, firm, or corporation which is contracting with the Gwinnett

County Board of Commissioners has registered with and is participating in a federal work authorization program* [any of the

electronic verification of work authorization programs operated by the United States Department of Homeland Security or any

equivalent federal work authorization program operated by the United States Department of Homeland Security] to verify

information of newly hired employees, pursuant to the Immigration Reform and Control Act, in accordance with the applicability

provisions and deadlines established therein.

The undersigned further agrees that, should it employ or contract with any subcontractor(s) in connection with the

physical performance of services or the performance of labor pursuant to this contract with the Gwinnett County Board of

Commissioners, contractor will secure from such subcontractor(s) similar verification of compliance with the Illegal Immigration

Reform and Enforcement Act on the Subcontractor Affidavit provided in Rule 300-10-01-.08 or a substantially similar form.

Contractor further agrees to maintain records of such compliance and provide a copy of each such verification to the Gwinnett

County Board of Commissioners at the time the subcontractor(s) is retained to perform such service.

_________________________________________

E-Verify * User Identification Number

_____________________________________

Date Registered

_________________________________________

Legal Company Name

_________________________________________

Street Address

_________________________________________

City/State/Zip Code

_____________________________________

BY: Authorized Officer or Agent

(Contractor Signature)

_____________________________________

Date

__________________________________________

Title of Authorized Officer or Agent of Contractor

For Gwinnett County Use Only:

Document ID #________________

___________________________________________

Printed Name of Authorized Officer or Agent

SUBSCRIBED AND SWORN

BEFORE ME ON THIS THE

_______ DAY OF ______________________, 20_______

Issue Date: ___________________

Initials: ______________________

________________________________________________

Notary Public

My Commission Expires: ___________________________

* As of the effective date of O.C.G.A. 13-10-91, the applicable federal work authorization program is “E-Verify” operated by the U.S. Citizenship and

Immigration Services Bureau of the U.S. Department of Homeland Security, in conjunction with the Social Security Administration (SSA).

IWQ 121396

REFERENCES

Page 5 of 16

Gwinnett County requests a minimum of three (3) references where work of a similar size and scope has been

completed.

Note: References should be customized for each project, rather than submitting the same set of references for

every project bid. The references listed should be of similar size and scope of the project being bid on. Do not

submit a project list in lieu of this form.

1. Company Name

Brief Description of Project

Completion Date

Contract Amount $

Start Date

Contact Person

Telephone

E-Mail Address

2. Company Name

Brief Description of Project

Completion Date

Contract Amount $

Contact Person

E-Mail Address

Start Date

Telephone

3. Company Name

Brief Description of Project

Completion Date

Contract Amount $

Contact Person

E-Mail Address

Start Date

Telephone

Company Name

Commodity Codes

• NAICS 238220Plumbing, Heating, and Air-Conditioning Contractors
• NAICS 332911Industrial Valve Manufacturing

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