ATR Loop Pressurizer Fabrication

Estimated Value: $750,000
Open New 12 days left IdahoComputer Hardwarerfi
Oct 26, 2026
Nov 7, 2026 6:59 AM
Computer Hardware
rfi
332312
AI Summary
The Department of Energy's Idaho National Laboratory (INL) is seeking Expressions of Interest (EOI) from qualified vendors capable of fabricating a nuclear-grade ASME Section VIII, Division 2 stainless steel pressure vessel for the Advanced Test Reactor (ATR). Vendors must demonstrate experience with nuclear-grade pressure vessel fabrication and adhere to strict material, metallurgical, and structural performance standards, including ASME and seismic requirements. The EOI is the first step in identifying potential bidders for a future Request for Proposal (RFP).
Line Items
ItemQtyUnitEst. Unit PriceEst. TotalCategory
ASME Section VIII, Division 2 Stainless Steel Pressure Vessel (ATR Loop Pressurizer) with associated appurtenances (vessel, mounting leg stand, spray nozzles, lifting lugs) per INL Drawings 1050604, 1050605, and 1050606 1 each $500,000.00 $500,000.00 Other
Supply of all materials associated with the vessel and appurtenances (Type 347 SS for vessel/lugs, Type 316 SS for mounting legs) 1 lot $100,000.00 $100,000.00 Other
Hydrostatic testing at room temperature in accordance with ASME code (minimum test pressure 3415 psig) 1 lot $25,000.00 $25,000.00 Professional Services
Load testing and documentation of lifting lugs 1 lot $15,000.00 $15,000.00 Professional Services
Shop drawing development and submission through INL's vendor data system 1 lot $50,000.00 $50,000.00 Professional Services
Shipping/handling pallet and container for horizontal-orientation transport, forklift-compatible 1 each $10,000.00 $10,000.00 Transportation
Delivery to WestOne Logistics, Idaho Falls, ID 1 lot $50,000.00 $50,000.00 Transportation
Estimated Bid Value$750,000.00

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📎 ATR_Pressurizer_Fabrication_EOI_Final.pdf View
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