Project Information

Bid Title

Thornton Water Treatment Plant Solar

Issuing Agency

City of Thornton

Location

Colorado

Published Date

Dec 1, 2025

Closing Date

Dec 17, 2025

Government Level

State & Local

Status

Closed

Ref. #

22-40

Original Source

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Bid Documents

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Project Description

Solicitation Number	Status	Due	Description	Attachments
22-40	Active	12/17/2025 5:00 AM	Thornton Water Treatment Plant Solar	Solicitation Document

Attachment Preview

CITY OF THORNTON

REQUEST FOR PROPOSALS

FOR

PROFESSIONAL SERVICES

THORNTON WATER TREATMENT PLANT SOLAR

PROJECT NO. 22-40

DECEMBER 2025

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II. INDEX OF CONTENTS

I.

TITLE PAGE

II. INDEX OF CONTENTS

III. NOTICE REQUEST FOR PROPOSALS

IV. PROPOSAL INSTRUCTIONS AND INFORMATION

V. PROPOSAL PREPARATION

VI. EXHIBIT 1 ACCEPTANCE OF CONDITIONS STATEMENT

VII. EXHIBIT 2 CONTRACT

EXHIBIT A SPECIAL CONDITIONS

EXHIBIT B GENERAL CONDITIONS

EXHIBIT C SCOPE OF SERVICES

EXHIBIT D SCHEDULE OF CONTRACT PAY ITEMS AND PRICES

EXHIBIT E CONTRACTOR’S SUBCONTRACTOR LISTING

EXHIBIT F PERFORMANCE BOND AND LABOR AND MATERIAL

PAYMENT BOND

EXHIBIT G INSURANCE REQUIREMENTS AND CERTIFICATE

EXHIBIT H CHANGE ORDER FORM

EXHIBIT I STORMWATER MANAGEMENT REQUIREMENTS

EXHIBIT J SAMPLE NOTICE OF AWARD AND NOTICE TO PROCEED

VIII. EXHIBIT 3 REFERENCE AUTHORIZATION AND RELEASE FORM

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III. NOTICE

REQUEST FOR PROPOSALS

The City of Thornton, CO (“Thornton”) respectfully requests separate sealed Proposals for

Professional Services for Thornton Water Treatment Plant Solar, Project No. 22-40

(hereinafter referred to as “Project”). Proposals will be received until 5:00 p.m., local time,

Wednesday, December 17, 2025, in the Contract Administration Office, 9500 Civic Center

Drive, 2nd Floor City Hall, Thornton, CO 80229-4326.

Approved Methods for Submission of Proposals:

• Electronic proposals shall be submitted/ uploaded to BidnetDirect.com website in

response to this solicitation;

• Or Physical proposals may be submitted by mail or courier service;

• Or Physical Proposals will be received in the Contract Administration Office, 9500

Civic Center Drive, 2nd Floor City Hall, Thornton, CO 80229-4326.

Late Proposals will not be accepted under any circumstances.

Project Description:

The Project requires the Contractor to design, permit, furnish and install a turnkey solar

photovoltaic (PV) system at the Thornton Water Treatment Plant (TWTP) located at 920

Thornton Parkway, Thornton CO, 80229. Thornton intends to include both rooftop and

ground-mounted solar arrays to maximize energy production within the available footprint.

The total system capacity, based on available space, is anticipated to be between 460 kW

and 520 kW (DC).

Thornton utilizes the BidNet Direct System at www.BidNetDirect.com to distribute official

copies of the Request for Proposals (“RFP”) for use in preparing Proposals. Proposing

firms will be required to register with the website to download the RFP documents and

addenda. There is no charge by BidNet Direct for this service. If you experience problems

with the BidNet Direct website, please call 1-800-835-4603 for assistance. Proposing firms

are required to acknowledge all addenda with their Proposal and are encouraged to either

register with the website or to request to view the addenda posted on the Contract

Administration bulletin board prior to submission of a Proposal. Proposing firms that do not

acknowledge all addenda may be considered non-responsive. Upon request, the RFP

documents, including addenda, are also available for viewing on the City of Thornton

Website, https://solicitations.thorntonco.gov/solicitations or at the Contract Administration

office located on the 2nd floor of City Hall at 9500 Civic Center Drive, Thornton, CO.

Proposing firms that do not have download and/or printing capability in-house may contact

a commercial reprographics company for assistance with downloading and printing the

RFP.

Late Proposals will not be accepted under any circumstances. Any Proposal(s) received

after the scheduled deadline for submitting Proposals will be returned to the proposing firm

unopened. Sole responsibility rests with the proposing firm to see that their Proposal is

received on or before the deadline.

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Commodity Codes

• NAICS 221310Water Supply and Irrigation Systems
• NAICS 221320Sewage Treatment Facilities
• NAICS 237110Water and Sewer Line and Related Structures Construction

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