Lower Monumental PH HVAC System Upgrade

Estimated Value: $4,500,000
Closed WashingtonConstructionsolicitation
This bid is closed — responses were due September 22, 2026. It is no longer accepting submissions. We keep closed bids on BidsNexus for reference: agencies often re-issue the same need, and past bids show what they buy and when.
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Sep 15, 2026
Sep 22, 2026 9:00 PM
Construction
solicitation
238220
small business
AI Summary
This bid is for the upgrade of the HVAC system at the Lower Monumental Dam Powerhouse, including modernization of ventilation, heating, and cooling using river water, system pressurization capabilities, and a new electronic control system.
Line Items
ItemQtyUnitEst. Unit PriceEst. TotalCategory
Modernized HVAC system installation (ventilation, heating, cooling using river water) 1 lot $3,000,000.00 $3,000,000.00 Construction
Powerhouse pressurization system for smoke/dust reduction 1 lot $500,000.00 $500,000.00 Construction
HVAC control system upgrade to modern electronic system 1 lot $400,000.00 $400,000.00 Construction
Permanent access platforms for HVAC system maintenance 1 lot $200,000.00 $200,000.00 Construction
Contractor Quality Control (CQC) System Manager (5-year experience, CQM for Contractors certified) 1 lot $250,000.00 $250,000.00 Professional Services
Contractor furnished submittals development and management (pre-construction plans, product data, test reports, close-out documentation) 1 lot $150,000.00 $150,000.00 Professional Services
Estimated Bid Value$4,500,000.00

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📎 KTR_Site_Visit_List.pdf View
📎 B.08.03_Solicitation__Amend_0001_.pdf View
📎 A.03.09_Plans__26RA007_.pdf View
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