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How to use a tender page
- What is being bought, for how much, and what happens next.
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- Full scope, exact values, dates and bidders open with this market's edition, with a calendar export.
Sounder commuter rail HVAC overhaul
Sounder commuter rail HVAC overhaul — heating, ventilation and air-conditioning overhaul on the Sounder fleet
Every fact on this page is free. Exact values, dates, award detail and the procurement route open in the United States edition — one edition is free with one email. Open your free edition · Open this record in the Atlas
- Buyer
- Central Puget Sound Regional Transit Authority (Sound Transit)
- Where
- Washington · Seattle
- Segments
- Rolling stock
- Technology areas
- Rolling-stock hardware, Predictive maintenance
- Status
- Open — Open for bidding on Sound Transit's vendor portal in September 2026, closing 17:00 Pacific Time in October 2026.
- Value band
- value not published
- Currency
- USD
- Key dates (month)
- Published July 2026 · Original close August 2026 · Addendum 1 close September 2026 · Proposals due October 2026
Status in full
Read more
Open for bidding on Sound Transit's vendor portal in September 2026, closing 17:00 Pacific Time in October 2026. Addendum 1 extended the close date to September 2026 and Addendum 2 extended it again to October 2026; the Procurement Snapshot of August 2026 still shows the earlier 7 September date and an estimated award of September 2026, which the portal supersedes.
Next step
Withheld in the free surface
- Full scope
- How the figure was arrived at
- Key dates (4)
- Published bidders
- Exact value
Full detail withheld: 5 fields. In the United States edition · See a fully open example
6 sources · all primary
- ● Central Puget Sound Regional Transit Authority (Sound Transit) · Vendor portal bid detail: RP 0107-26 Sounder HVAC Overhaul, with Addenda 1 and 2 extending the close date (published 2026-07-10 · checked 2026-09-14)
- ● Central Puget Sound Regional Transit Authority (Sound Transit) · Sound Transit vendor portal (Biddingo) — bid listing, 13 solicitations open for bidding on 14 September 2026 (published 2026-09-14 · checked 2026-09-14)
- ● Central Puget Sound Regional Transit Authority (Sound Transit) · Procurement Snapshot — active and future procurement activity, refresh date 08/30/2026 (published biweekly; includes procurement activity estimated to cost $250,000 or more) (published 2026-08-30 · checked 2026-09-14)
- ● Central Puget Sound Regional Transit Authority (Sound Transit) · 2026 Adopted Budget and Financial Plan — agency overview, transit operating budgets by mode, project budgets, Transit Improvement Plan and Appendix I project and programme detail pages (published 2026-03-23 · checked 2026-09-14)
- ● Central Puget Sound Regional Transit Authority (Sound Transit) · Resolution No. R2025-18, Budget Amendment for the Sounder Vehicle Overhaul Project (published 2025-08-28 · checked 2026-09-14)
- ● Central Puget Sound Regional Transit Authority (Sound Transit) · Report - Transit Development Plan 2026-2031 (submitted under RCW 35.58.2795; information current as of June 2026; Board adoption scheduled 27 August 2026) (published 2026-08-06 · checked 2026-09-14)
Related tenders
Same buyer first, then the same segment in this market.
| Tender | Buyer | Status | Value band | Next key date |
|---|---|---|---|---|
| Sound Transit Link light rail vehicle simulator | Sound Transit | Open | value not published | Published August 2026 |
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| West Seattle Link Extension W100 SODO Station | Sound Transit | Bids closed | value not published | Published August 2026 |
Show all 6 related tenders
| Tender | Buyer | Status | Value band | Next key date |
|---|---|---|---|---|
| Ballard Link Extension civil engineering design | Sound Transit | Pre-bid | no value published (pre-solicitation notice) | |
| West Seattle Link Extension W200 Duwamish River Crossing | Sound Transit | Bids closed | value not published | Bids closed July 2026 · award expected |
| Operations and Maintenance Facility South design-build | Sound Transit | In execution | $100–500m | Awarded March 2026 |
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