FreeTender
Accepting bidstenderUnited States

W9127N26QA145 - PH2 BLADE SEALS REPLACEMENT for Bonneville Dam

Issued by DEPT OF DEFENSE · DEPT OF THE ARMY · USACE · NWD · W071 ENDIST PORTLAND · via SAM.gov — US federal contract opportunities

Published
11 Sept 2026
Closes
26 Sept 2026, 01:00 UTC
Reference
W9127N26QA145
Location
OR, United States
Sector
Manufacturing & Supply

Details

DEPT OF DEFENSE · DEPT OF THE ARMY · USACE · NWD · W071 ENDIST PORTLAND is soliciting W9127N26QA145 - PH2 BLADE SEALS REPLACEMENT for Bonneville Dam. Solicitation number W9127N26QA145. Classified under NAICS 339991 — Gasket, Packing, and Sealing Device Manufacturing. Product/service code 5330 — PACKING AND GASKET MATERIALS. Place of performance: OR, USA. Responses are due by 26 September 2026 01:00 UTC. Posted on SAM.gov, the US federal contract opportunities system; registration is required to bid.

GENERAL STATEMENT US Army Corps of Engineers, Portland District, Bonneville Lock and Dam are soliciting for the purchase and installation of blade seals for Powerhouse II Main Unit Kaplan turbines. The turbine runners are 5-bladed vertical axis Kaplans. The contractor will supply and install turbine blade seals on the Kaplan turbine of Main Unit 16. The second set of blade seals for Unit 17 is optional, as defined in this Performance Work Statement. The contractor will provide seals based on drawings and dimensions provided by the Government. The Government requests expedited fabrication, delivery, and installation at the earliest practicable opportunity following contract award. The Government anticipates contract award on or about 9/30/2026. This date is for planning purposes only and does not alter the Contractors performance obligations, which begin upon contract award. PERFORMANCE STANDARDS AND GUIDELINE REQUIREMENTS The Contractor shall furnish all supervision, labor, equipment, materials necessary to perform the work required under these specifications except for those items specifically identified as government provided. The Contractor shall place all trash and litter pickup in dumpsters located on the project. Telephone service will not be provided. The Contractor will furnish, deliver, and install newly manufactured Kaplan blade seals and all accessories at Bonneville Lock and Dam as detailed in this PWS. Contractor shall also provide required documentation as stated in section 5.1.3 of this PWS. Description of Supply and Service Supply Turbine Blade Seals. The Contractor is responsible for designing and fabricating one-piece solid seals for five-bladed Kaplan turbine runners. The seals are required to have redundant sealing edges, no split, and field-molded solid at site. No gluing, cold bonding, or hotbonding using additional material are permitted. The seals will need to be bonded without any external additional material (adhesive or elastomer) to ensure identical material properties across the entire seal and geometric continuity of the seal edges. The nominal packing size will have an OD of 45.252-inch and an ID of 43.993-inch. The blade seals are original to the 1980s installation and final seal dimensions are to be verified prior to delivery and installation. Approximate dimensions are provided herein for pricing purposes only. The seal housing (turbine hub bore and turbine blade trunnion sleeve) dimensions will be confirmed prior to the supplier coming to site for installation. For compatibility with material selection, the outer surface the seal will be against is cast steel. The inner surface of the blade seal housing is stainless steel. The seals shall be designed to fit within the existing packing box dimensions as shown on the supplied reference drawings: Drawing Description                              Number 330 - 5 X A Runner Hub Assy Sect        4296-JL-1 Follower (Seal Ring)                              6532-T-2 Runner Hub Assy Plan                           4296-JO-1 Runner Hub Assy Plan                           4296-JM-1 Blade                                                      6530-CR-1 Runner Hub                                            6529-BB-1 ** See solicitation document for more details **

Context for bidders

We hold 10 notices from DEPT OF DEFENSE · DEPT OF THE ARMY · USACE · NWD · W071 ENDIST PORTLAND, going back to August 20266 of them still open. They buy mostly in Manufacturing & Supply, Construction & Infrastructure and Financial & Professional Services. There are 3,199 open Manufacturing & Supply tenders in United States. This one closes in 14 days.

Before you bid on this tender

A quick checklist to help you decide whether to bid and prepare a compliant submission for this manufacturing & supply opportunity. Always verify the details on the official source.

  • Confirm the exact closing date and time (and time zone) on the official portal — deadlines are strict and can be revised by a corrigendum.
  • Read the full notice and every attached document, including the scope, specifications and any bill of quantities or terms of reference.
  • Check the eligibility criteria — prior similar experience, annual turnover, certifications and registrations — and make sure you qualify before investing effort.
  • Prepare any earnest-money deposit (EMD) or bid security and the required formats early; missing or wrongly-formatted documents are a common cause of rejection.
  • Note how bids must be submitted (online or physical), in what format, and whether a digital signature or portal registration is required.
  • Watch for corrigenda and clarifications right up to the deadline — requirements and dates can change.

More Manufacturing & Supply tenders

All Manufacturing & Supply tenders →

FreeTender mirrors this notice for reference. Verify the details and bid on the official portal.

Verify & apply on the official portal →