The Provision Of 128 DUNE APA Stainless Steel Frames

Tender description

The DUNE Anode Plane Assemblies (APAs) will form the major part of the DUNE far site detector. We are finishing the prototype APAs for installation in a cryostat at CERN and preparing for the full production run of up to 128 APAs. The APAs are composed of large stainless steel metal frames and made of thousands of turns of wire, roughly 24 kilometres for each APA. It’s an engineering challenge to wind the wire around the frames and build the wire chambers. A fully assembled frame is expected ‘in spec’ with all the associated documents or ‘doc pack’ including material certificates, ITP (Inspection Test plan), mechanical inspections, NDT (Non-Destructive Testing) etc. Full qualification (inspection) by ourselves will be needed in the first batch of two frames. This will include visual inspection, an inspection of holes and machined parts and welding quality. The company will allow us access to do these qualification checks. Lot 1: Your company will be asked to manufacture up to 128 APA frames by October 2025. The first two APA frames should be assembled, inspected and shipped to Daresbury by 31st January 2022, the following 6 to be delivered on 28th March, and from then on, 6 frames every 9 weeks. During manufacture, time will be needed to visit the sub-contract companies (if used) and yourselves to carry out inspections. In addition, around half a day per frame will be required to measure the flatness of each frame with our laser tracking system, which is shown in the attached document “8760doc055 Frame planarity testing”. Finally, Crane operators and riggers will be needed to fix the APA frame in landscape mode, as shown. Downtime periods of up to two months might be needed. In such a case, the delivery dates for the subsequent batches of frames will be moved by the required time. Each APA frame will have 5 years warranty on the complete assembly. The manufacturer will provide monthly status reports on parts procurement, staffing and manufacture of the frames. When relevant, the report should include the status of the manufacturer’s subcontractors. Additional information: To respond to this opportunity please click here: https://ukri.delta-esourcing.com/respond/87X6H4E99Z Lot 1: Your company will be asked to manufacture up to 128 APA frames by October 2025. The first two APA frames should be assembled, inspected and shipped to Daresbury by 31st January 2022, the following 6 to be delivered on 28th March, and from then on, 6 frames every 9 weeks. During manufacture, time will be needed to visit the sub-contract companies (if used) and yourselves to carry out inspections. In addition, around half a day per frame will be required to measure the flatness of each frame with our laser tracking system, which is shown in the attached document “8760doc055 Frame planarity testing”. Finally, Crane operators and riggers will be needed to fix the APA frame in landscape mode, as shown. Downtime periods of up to two months might be needed. In such a case, the delivery dates for the subsequent batches of frames will be moved by the required time. Each APA frame will have 5 years warranty on the complete assembly. The manufacturer will provide monthly status reports on parts procurement, staffing and manufacture of the frames. When relevant, the report should include the status of the manufacturer’s subcontractors. Additional information: To respond to this opportunity please click here: https://ukri.delta-esourcing.com/respond/87X6H4E99Z