Plate Settler Thickening Equipment RFP

Location:	California
Posted:	Oct 13, 2026
Due:	Nov 6, 2026
Agency:	Tuolumne Utilities District
Type of Government:	State & Local
Category:	78 - Recreational and Athletic Equipment
Publication URL:	To access bid details, please log in.

Project Description
Tuolumne Utilities District (TUD) invites qualified System Suppliers to submit proposals for furnishing an inclined plate settler thickening system for the Sierra Pines Regional Water Treatment Facility Project. Proposers shall submit one complete proposal addressing two alternatives: Alternative A for a 140-gpm system and Alternative B for a 235-gpm system. Each alternative shall constitute a complete and operable system meeting the applicable requirements of the Contract Documents.

Proposal Due Date:
November 6, 2026, at 2:00 PM local time.

Proposal Submission:
Proposals must be emailed or submitted in accordance with Section 2.4 of the Contract Documents.

The submission email is:
gdemattei@tudwater.com
cc: ejohnson@tudwater.com

Project Documents:
Contract Documents – Plate Settler RFP

For information concerning the proposed work, contact: Mr. Gaddiel DeMattei, Senior Engineer, at (209) 532-5536, extension 519 or gdemattei@tudwater.com.

Attachment Preview

Board of Directors

Jeff Hollis

Glen Jacobs

Jeff Kerns

Carol Reel

Ron W. Ringen

Sierra Pines Regional Water

Treatment Facility

Request for Proposals

Plate Settler Thickening Equipment

October 2026

Tuolumne Utilities District |18885 Nugget Blvd., Sonora, CA 95370 | Phone: (209) 532-5536 | www.tudwater.com

1. Request for Proposals

Tuolumne Utilities District (TUD) invites qualified System Suppliers to submit proposals for furnishing an

inclined plate settler thickening system for the Sierra Pines Regional Water Treatment Facility Project.

Proposers shall submit one complete proposal addressing two alternatives: Alternative A for a 140-gpm

system and Alternative B for a 235-gpm system. Each alternative shall constitute a complete and

operable system meeting the applicable requirements of the Contract Documents.

The work generally consists of the design, manufacturing, factory testing, delivery, startup assistance,

operator training, and warranty support for filter process wastewater thickening equipment as specified

in the Contract Documents.

TUD intends to select and award one of the two alternatives. TUD is not obligated to select the lowest-

capacity alternative, the lowest-priced alternative, or to purchase both alternatives. Each alternative will

be evaluated as a complete proposal in accordance with the evaluation criteria stated herein.

Proposals will be received until November 6, 2026, at 2:00 PM (Local Time). Proposals must be emailed

or submitted in accordance with Section 2.4. The submission email is:

gdemattei@tudwater.com

cc ejohnson@tudwater.com

Contract Documents may be obtained from TUD upon request. Proposers are solely responsible for

reviewing all Contract Documents and addenda before submitting a proposal. The TUOLUMNE UTILITIES

DISTRICT PROCUREMENT TERMS AND CONDITIONS for the Sierra Pines regional Water Treatment

Facility Project are attached to this Request for Proposal (RFP) and are part of the contract documents.

Award, if made, will be made to the proposer whose proposal is determined by TUD to provide the best

value to the District based on the evaluation criteria identified in the Instructions to Proposers. TUD

reserves the right to reject any or all proposals, waive informalities and irregularities, and accept the

proposal deemed to be in the best interest of the District.

Questions regarding this solicitation shall be submitted in writing to the District's designated

representative identified in the Instructions to Proposers. Such inquiries must be received by 4:00 PM

seven calendar days prior to the due date.

TUOLUMNE UTILITIES DISTRICT

Sign: ______________________________

Gaddiel DeMattei, P.E., Senior Engineer

gdemattei@tudwater.com

209-532-5536

Date: _1_0_/_7_/_2_0_2_6___________________

TUOLUMNE UTILITIES DISTRICT

PROCUREMENT TERMS AND CONDITIONS

for the

Sierra Pines Regional Water Treatment Facility Project

(To be furnished with any solicitations for materials, equipment, or services and to be

attached to any task order or purchase order as a condition of purchase.)

Note: The requirements listed below are in addition to any construction contracts specifically issued by the District.

These requirements also flow down and must be included in any subcontracts.

The contractor, consultant, or supplier (vendor), warrants compliance with the following terms and conditions, as applicable:

1. This project is not subject to the Build America, Buy America (BABA) Act. Tuolumne Utilities District has obtained a BABA waiver

from USEPA on file with the State Water Board for this project.

2. This project is subject to American Iron and Steel (AIS) requirements. All "iron and steel products" used in the Project were or

will be produced in the United States. The term "iron and steel products" means the following products made primarily of iron or

steel: lined or unlined pipes and fittings, manhole covers and other municipal castings, hydrants, tanks, flanges, pipe clamps

and restraints, valves, structural steel, reinforced precast concrete, and other construction materials. "Steel" means an alloy that

includes at least 50 percent iron, between .02 and 2 percent carbon, and may include other elements.

3. The contractor acknowledges and agrees to the terms and conditions provided in the Contract Provisions for Davis-Bacon

and Related Acts US EPA:

https://www.epa.gov/grants/contract-provisions-davis-bacon-and-related-acts

For reference, see also: https://www.waterboards.ca.gov/water_issues/programs/grants_loans/srf/davisbacon.html

4. The contractor agrees to be bound by all applicable provisions of State Labor Code regarding prevailing wages.

5. The contractor, consultant, or supplier shall verify eligibility of subcontractors, subconsultants, and suppliers and ensure they are not

suspended or debarred from participating in federally assisted transactions as defined in Parts 180 and 1532 of 2 CFR and comply

with Subpart C of Part 180 of 2 CFR, as supplemented by Subpart C of Part 1532 of 2 CFR.

6. Contractors and suppliers shall comply with the Disadvantaged Business Enterprises (DBE) requirements in 40 CFR part 33, subparts

C and D, and require its contractors and subcontractors on the Project to comply with 40 CFR § 33.301 requiring the use of good faith

efforts to utilize DBE's whenever procuring construction, equipment, services, and supplies per USEPA's Program for Utilization of

Small,

Minority

and

Women's

Business

Enterprises.

https://www.waterboards.ca.gov/water_issues/programs/grants_loans/srf/docs/policy0513/dbe_compliance_guidelines_instructions.

pdf

7. The contractor, consultant, or supplier must not contract with any individual or organization on the State Water Board's List of

Disqualified Businesses and Persons that is identified as debarred or suspended or otherwise excluded from or ineligible for

participation in any work overseen, directed, funded, or administered by the State Water Board program. The State Water

Board's

List

Disqualified

Businesses

and

Persons

located

at:

https://www.waterboards.ca.gov/water_issues/programs/enforcement/fwa/dbp.html

8. Procurement prohibitions apply under Section 306 of the Clean Air Act and Section 508 of the Clean Water Act, including Executive

Order 11738, Administration of the Clean Air Act and the Federal Water Pollution Control Act with Respect to Federal Contracts,

Grants, or Loans; 42 USC § 7606; 33 USC § 1368. Contractors, consultants, and suppliers may not procure goods, services, or

materials from suppliers excluded under the federal System for Award Management:

https://sam.gov/content/exclusions

9. The contractor, consultant, or supplier warrants that it will not engage in severe forms of trafficking in persons, procure a commercial

sex act during the term of this Agreement, or use forced labor in the performance of this Agreement.

10. The contractor, consultant, or supplier will not discriminate against any employee or applicant for employment because of race, creed,

color, or national origin. The contractor, consultant, or supplier will take affirmative action to ensure that applicants are employed, and

that employees are treated during employment, without regard to their race, creed, color, or national origin. Such action shall include,

but not be limited to the following: employment, upgrading, demotion, or transfer; recruitment or recruitment advertising; layoff or

termination; rates of pay or other forms of compensation; and selection for training, including apprenticeship. The contractor,

consultant, or supplier agrees to post in conspicuous places, available to employees and applicants for employment, notices to be

provided by the contracting officer setting forth the provisions of this nondiscrimination clause. The following federal non-discrimination

requirements apply:

a. Title VI of the Civil Rights Act of 1964, which prohibits discrimination based on race, color, and national

origin, including limited English proficiency (LEP).

b. Section 504 of the Rehabilitation Act of 1973, which prohibits discrimination against persons with

disabilities.

c. The Age Discrimination Act of 1975, which prohibits age discrimination.

d. Section 13 of the Federal Water Pollution Control Act Amendments of 1972, which prohibits

discrimination on the basis of sex.

e. 40 CFR Part 7, as it relates to the foregoing

11. The contractor, consultant, or supplier will, in all solicitations or advertisements for employees placed by or on behalf of

the contractor, state that all qualified applicants will receive consideration for employment without regard to race, creed,

color, or national origin.

12. The contractor will send to each labor union or representative of workers with which they have a collective bargaining

agreement or other contract or understanding, a notice, to be provided by the agency contracting officer, advising the

labor union or workers' representative of the contractor's commitments under Section 202 of Executive Order No. 11246

of September 24, 1965, and shall post copies of the notice in conspicuous places available to employees and applicants

for employment.

13. The contractor will comply with all provisions of Executive Order No. 11246 of Sept. 24, 1965, and of the rules, regulations, and

relevant orders of the Secretary of Labor.

14. The contractor will furnish all information and reports required by Executive Order No. 11246 of September 24, 1965,

and by the rules, regulations, and orders of the Secretary of Labor, or pursuant thereto, and will permit access to his

books, records, and accounts by the contracting agency and the Secretary of Labor for purposes of investigation to

ascertain compliance with such rules, regulations, and orders.

15. In the event of the contractor's, consultant’s, or supplier’s noncompliance with the nondiscrimination clauses of this

contract or with any of such rules, regulations, or orders, this contract may be cancelled, terminated or suspended in

whole or in part and the contractor, consultant, or supplier may be declared ineligible for further Government contracts

in accordance with procedures authorized in Executive Order No. 11246 of Sept 24, 1965, and such other sanctions

may be imposed and remedies invoked as provided in Executive Order No. 11246 of September 24, 1965, or by rule,

regulation, or order of the Secretary of Labor, or as otherwise provided by law.

16. The contractor, consultant, or supplier will include sections 10-16 of this document in every subcontract or purchase order

unless exempted by rules, regulations, or orders of the Secretary of Labor issued pursuant to Section 204 of Executive Order

No. 11246 of Sept. 24, 1965, so that such provisions will be binding upon each subcontractor or vendor. The contractor,

consultant, or supplier will take such action with respect to any subcontract or purchase order as the contracting agency may

direct as a means of enforcing such provisions including sanctions for noncompliance: Provided, however, That in the event

the contractor, consultant, or supplier becomes involved in, or is threatened with, litigation with a subcontractor or supplier as

a result of such direction by the contracting agency, the contractor may request the United States to enter into such litigation

to protect the interests of the United States.

17. The contractor, consultant, or supplier must maintain separate books, records and other material relative to the Project for a

minimum of thirty-six (36) years after Completion of Construction. The contractor, consultant, and supplier must require that such

books, records, and other material are subject at all reasonable times (at a minimum during normal business hours) to inspection,

copying, and audit by the State Water Board, the California State Auditor, the Bureau of State Audits, the USEPA, the USEPA's

Office of Inspector General, the Internal Revenue Service, the Governor, or any authorized representatives of the

aforementioned. The contractor, consultant, or supplier must allow interviews during normal business hours of any employees

who might reasonably have information related to such records.

2. Instructions to Proposers

2.1 General

Tuolumne Utilities District (TUD) is soliciting proposals for furnishing a packaged inclined plate settler

and associated chemical mixing equipment system. Proposers shall submit two complete proposal

alternatives:

Alternative A: Complete system with a design flow of 140 gpm.

Alternative B: Complete system with a design flow of 235 gpm.

Each alternative shall include all equipment, chemical mixing systems, accessories, documentation,

factory testing, startup assistance, operator training, and warranty services necessary to provide a

complete and operable system.

2.2 Project overview

The Sierra Pines Regional Water Treatment Facility (SPRWTF) is being constructed to provide potable

water to the service area located in the unincorporated areas of Tuolumne County. The ultimate

buildout capacity of the facility is planned to occur in phases. The initial facility (Phase 1) will provide an

installed treatment capacity of approximately 3 million gallons per day (MGD). Future expansions are

anticipated to increase the installed treatment capacity to approximately 4 MGD (Phase 2) and 5 MGD

(Phase 3).

The District is evaluating whether to furnish the plate settler initially for the Phase 1 operating condition

or to furnish the larger system anticipated for the ultimate facility condition. The two proposal

alternatives will allow the District to compare the cost, footprint, operating characteristics, maintenance

requirements, and lifecycle implications of the two capacities.

2.3 Proposal Alternatives and Design Capacities

The plate settler system procured under this Contract shall support the phased development of the

treatment facility. The system shall be designed such that it can accommodate both Phase 1 and Phase 3

as shown in the table below.

Associated Plant Capacity (MGD)

Number of 1 MGD Filter Units

Design Flow Rate (gpm)

Alternative A

140

Alternative B

235

Alternative A shall be designed to treat 140 gpm, while Alternative B shall be designed to treat 235 gpm.

The District estimates that the plate settler will operate intermittently for an average of approximately

16 hours per day. Each system shall be capable of fully automatic intermittent operation in accordance

with the requirements of Section 2.5. The District estimates that a minimum flow rate of 94 gpm for

Alternative A, and 156 gpm for Alternative B would be required if the plate settler were to run 24 hours

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

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Plate Settler Thickening Equipment RFP

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See also