Project Information

Bid Title

RFP #2026-205011-01 Box Canyon Dam Generator Replacement Project

Issuing Agency

Siskiyou County

Location

California

Published Date

Apr 7, 2026

Closing Date

May 20, 2026

Government Level

State & Local

Status

Closed

Original Source

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Bid Documents

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Project Description

RFP #2026-205011-01 Box Canyon Dam Generator Replacement Project

Bid/RFP Status:

Open - accepting bids and proposals

Bid/RFP Due Date:

Wednesday, May 20, 2026 - 3:00pm

Bid/RFP Reference Number:

RFP #2026-205011-01

Back to Bids/RFPs

Separate sealed Bids for the construction of the Box Canyon Dam Generator Replacement Project will be received by the Siskiyou Power Authority at 190 Greenhorn Road, Yreka, CA until 3:00 p.m. local time on May 20th, 2026, at which time the Bids will be publicly opened and read aloud. The Project is located at 2623 WA Barr Road, Mount Shasta, CA and consists of:

• Site improvements for grading and drainage.

• Installation of concrete pad and new generator.

• Installation of generator canopy structure.

• Installation of generator yard fencing.

• Demolition of a portion of existing concrete access stairs and railing.

• Installation of steel framed access stairs and railing.

• Electrical infrastructure from new generator to new MTS.

• Electrical work to add trolley motor to backup power supply.

Proposed Timeline

Date	Activity
4/7/26	Release of Request for Porposals (RFP)
4/17/26	Mandatory Pre-Bid Walk Through. Starting at 2623 W A Barr Rd., Mt. Shasta, CA 96067 at 11:00 am
5/1/26	Deadline to Submit Questions
5/20/26	Submission of Proposals due by 3:00PM
5/21/26-6/25/26	Review of Proposals
Within 15 days After Review	Notice of Intent to Recommend Award
Within 45 days After Review	Notice of Award

Supporting Documents

RFP #2026-205011-01 Box Canyon Dam Generator Replacement Project (3 MB)

RFP #2026-205011-01 Box Canyon Dam Generator Replacement Project - Attachment A - Public Works Contract (232 KB)

RFP #2026-205011-01 Box Canyon Dam Generator Replacement Project - Drawings (4 MB)

Attachment Preview

Siskiyou Power Authority

Request for Proposals (RFP)

RFP # 2026-205011-01 – General Services

For

Box Canyon Dam Generator Replacement Project

2623 W A Barr Road, Mount Shasta, CA 96067

Proposals shall be mailed or delivered to:

Emily Harper

Siskiyou Power Authority190 Greenhorn Road

Yreka, CA 96097

RFP_RFB_submissions@co.siskiyou.ca.us

Proposals Due by:

May 20, 2026

3:00 PM

Siskiyou Power Authority

Request for Proposals

Box Canyon Dam Generator Replacement Project

Date

04/06/2026

Proposed Timeline

Activity

Release of Request for Proposals

(RFP)

04/17/2026

Mandatory Pre-Bid Walk Through.

Starting at 2623 W A Barr Road, Mount

Shasta, CA 96067 at 11:00 A.M.

05/01/2026

Deadline to Submit Questions

05/20/2026

Submission of Proposals due by 3:00

PM

05/21/26 – 06/25/2026 Review of Proposals

Withing 15 days after

Review

Notice of Intent to Recommend Award

Within 45 days after

Review

Notice of Award

Page 2 of 2

TABLE OF CONTENTS

TITLE

SECTION

NOTICE INVITING BIDS .............................................................................................................. 1000

INSTRUCTIONS TO BIDDERS...................................................................................................... 2000

BID ............................................................................................................................................. 3000

NOTICE OF AWARD ................................................................................................................... 4000

NOTICE TO PROCEED ................................................................................................................ 4200

PERFORMANCE BOND .............................................................................................................. 5000

PAYMENT BOND........................................................................................................................ 5100

CONTRACTOR’S APPLICATION FOR PAYMENT.......................................................................... 5200

CERTIFICATE OF SUBSTANTIAL COMPLETION........................................................................... 5300

GENERAL PROVISIONS .............................................................................................................. 6000

WORK CHANGE DIRECTIVE ....................................................................................................... 7000

CHANGE ORDER ........................................................................................................................ 7100

SPECIAL PROVISIONS................................................................................................................. 8000

ENGINEER’S SUPPLEMENTARY CONDITIONS............................................................................ 9000

ATTACHMENTS

A Public Works Contract

DRAWINGS

Sheet Numbers 1 through 26 dated September 12, 2025 – Bound Separately

0470.19

i

NOTICE INVITING BIDS

Separate sealed Bids for the construction of the Box Canyon Dam Generator Replacement

Project will be received by the Siskiyou Power Authority at 190 Greenhorn Road, Yreka, CA until

3:00 p.m. local time on May 20th, 2026, at which time the Bids will be publicly opened and read

aloud. The Project is located at 2623 WA Barr Road, Mount Shasta, CA and consists of:

• Site improvements for grading and drainage.

• Installation of concrete pad and new generator.

• Installation of generator canopy structure.

• Installation of generator yard fencing.

• Demolition of a portion of existing concrete access stairs and railing.

• Installation of steel framed access stairs and railing.

• Electrical infrastructure from new generator to new MTS.

• Electrical work to add trolley motor to backup power supply.

Engineer’s Construction Cost Estimate is $1,080,000 to $1,390,000.

Bids will be received for a single prime contract. Bids will be on a lump-sum/unit-price basis.

All bids shall be evaluated on the basis of the Base Bid amount.

A mandatory, pre-bid job site visit will take place on April 17, 2026, starting at 11:00a.m. at 2623

W A Barr Road, Mount Shasta, CA 96067.

The Issuing Office for the Bidding Documents is the Siskiyou Power Authority, 190 Greenhorn

Road, Yreka CA, 96097. Prospective bidders may examine the Bidding Documents at the Issuing

Office during normal business hours. Questions regarding the Bidding Documents shall be

directed to Emily Harper at (530) 842-8241 or emharper@co.siskiyou.ca.us. Each Bid must be in

accordance with the Contract Documents, drawings, and specifications.

The Siskiyou Power Authority (Owner) is using the County of Siskiyou’s website,

https://www.siskiyoucounty.gov/rfps, to advertise these Bidding Documents. This is the only

internet website for prospective bidders to obtain official project information and Bidding

Documents for this project.

**DISCLAIMER REGARDING BID DOCUMENTS**

Electronic Bidding Documents are provided electronically and free of charge. It is the responsibility

of each prospective bidder to verify the completeness of their printed Bidding Documents before

submitting their bid and accompanying executed addenda acknowledgment forms. Users are

cautioned that the Owner does not assume any liability or responsibility based on any defective or

incomplete copying, excerpting, scanning, faxing, downloading or printing of the Bidding

Documents. Bidder assumes sole responsibility for errors or misinterpretations resulting from the

use of incomplete documents, by Bidder itself or by its prospective subcontractors and suppliers.

0470.19

1000-1

Be advised that the information contained on the Owner’s website may change without notice

to prospective bidders. It is the responsibility of each prospective bidder to check the Owner’s

website on a daily basis through the close of bids for any applicable addenda or updates.

The Contract Documents include all items listed in the Contract. The document referred to as

the “Standard Specifications” is the separately bound Standard Specifications for Public Works

Construction, commonly called the “Greenbook.” The entire Part 1 - General Provisions of the

Standard Specifications as modified by the Special Provisions are part of the Contract

Documents. Portions of Parts 2 through 8 of the Standard Specifications shall be included as

part of these Contract Documents when referenced.

Each Bid shall be made in accordance with the Specifications and Bid requirements thereof, and

no bid will be received unless it is made on Bid forms included in the Contract Documents. Each

bid must be accompanied by cashier's check or Bidder's Bond made payable to Siskiyou Power

Authority for an amount equal to at least ten percent (10%) of the total amount of the Bid as a

guarantee that the Contractor will execute the Contract in conformance with the Bid and the

Specifications. Such guarantee shall be forfeited should the bidder to whom the Contract is

awarded fail to enter into the Contract.

Prospective Bidders shall be licensed Contractors in the State of California and shall be skilled

and regularly engaged in the general class or type of work called for under the Contract. Each

Bidder shall have a Class A California Contractor’s license in accordance with the provisions of

Section 3300 of the California Public Contract Code.

No Contractor or subcontractor may be listed on a Bid for a public works project unless registered

with the Department of Industrial Relations pursuant to Labor Code Section 1725.5 with limited

exceptions from this requirement for bid purposes only under Labor Code Section 1771.1(a).

WAGE RATE REQUIREMENTS

The general prevailing wage rate of per diem wages, holidays, and over-time work for each craft,

classification, or type of workman needed to execute the Contract are established by the State of

California, Department of Industrial Relations. State Prevailing Wage Rates can be obtained from

www.dir.ca.gov/DLSR/PWD/. The Wage Decision, including modification, must be posted by the

Contractor on the job site.

The Owner reserves the right to accept or reject any and/or all Bids and to make that award to

the lowest responsible bidder, which is in the best interest of the Owner.

0470.19

1000-2

Commodity Codes

• NAICS 236220Commercial and Institutional Building Construction
• NAICS 237990Other Heavy and Civil Engineering Construction
• NAICS 238210Electrical Contractors and Other Wiring Installation Contractors

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