John Day Dam Fish Pump Rehabilitation Project

*Amendment 0002 - The purpose of this amendment is to make the following changes to the solicitation:1.

Extend the Solicitation Closing Date: The solicitation closing date is hereby extended by one week, from September 11, 2026, to September 18, 2026.2.

Clarify Bidder Inquiry Deadline: The bidder inquiry provision is revised from: No response will be posted to inquiries after Close of Business on the seventh business day preceding the solicitation due date to:

The deadline for submission of bidder inquiries is Close of Business on the seventh business day preceding the solicitation due date. Inquiries received after this deadline may not be answered.3.

Add Pertinent Documents/Attachments: The following six (6) documents/attachments are hereby added to the solicitation: A9 - Work Space Access Trailer and Parking Location, A10 - Pump Access, A11 - Propeller Condition, A12 - JDA Fish Pump rehab drawings, A13 - SouthFishwayPumps_OandM Manual, A14 - SouthFishTurbine-Unit3_OandM Manual (all documents previously designated as CUI have been downgraded)

4. Remove Attachment: Attachment AMD0002_Technical Sections.pdf is hereby removed from the solicitation.5.

Revise Specifications: The following revisions are hereby incorporated into the solicitation specifications: File Section Changes Specifications 15 00 00.03 25 Paragraph 1.4.2 is revised to change pump shaft assembly and propeller assembly to vertical shaft assembly. Paragraph 2.1.2 is revised to change pumpshaft to pump propeller.

Specifications 01 10 10.00 25 Paragraph 1.6.b is amended to extend the outage window through June 30, 2028.Specifications 09 97 02.00 25 Paragraph 3.5 is amended to include the extension shaft in the painting schedule. All other terms and conditions of the solicitation remain unchanged.*Amendment 0001 - The purpose of this amendment is to extend the solicitation closing date by two weeks from August 28, 2026 to September 11, 2026. All other terms and conditions of the solicitation remain unchanged.

PROJECT TITLE:

JOHN DAY FISH PUMP REHABILITATION PROJECT LOCATION:

JOHN DAY LOCK AND DAM, RUFUS, OR DESCRIPTION: REMOVAL, REFURBISHMENT, AND REPLACEMENT OF MAJOR COMPONENTS OF FISH PUMP UNIT 1, INCLUDING BUT NOT LIMITED TO SHAFTS, BEARINGS, BEARING BRACKETS, AND RIGHT-ANGLE DRIVE GEARBOXES.MAGNITUDE OF CONSTRUCTION:

BETWEEN $5,000,000 - $10,000,000NAICS: 237990 OTHER HEAVY AND CIVIL ENGINEERING CONSTRUCTION SIZE STANDARD: $45,000,000SOCIO-ECONOMIC CONSIDERATIONS:

TOTAL SMALL BUSINESS SET-ASIDE Bid Opening: Monday, September 21st, 2026, at 10:00 AM Pacific Daylight Time (PDT). Will send TEAMs link once BID is received. Due to CMMC access requirements, in order to gain access to CUI attachments, please verify your organization has a minimum CMMC Level 1 Self verification and submit your CMMC Unique Identifier Number and CAGE Code via email to joseph.b.jarvis@usace.army.mil and cory.r.pfenning@usace.army.mil.BIDS DUE: Friday, September 18th, 2026, at 09:00 PM Pacific Daylight Time (PDT).BID OPENING: Monday, September 21st, 2026, at 10:00 AM Pacific Daylight Time (PDT).