Amendment 05 Fermilab RFP LBNF 357777-JD Internal Cryogenics .pdf

This is Amendment 05 to RFP LBNF 357777-JD for Internal Cryogenics at Fermilab, issued on November 21, 2024. The amendment's sole purpose is to extend the offer closing date to December 6, 2024 at 5:00 PM Central Standard Time (Chicago US).

The underlying RFP is for engineering, manufacturing, packing and delivering Internal Cryogenics piping systems for the first two LBNF cryostats at the Sanford Underground Research Facility (SURF) in Lead, SD. The scope includes thirty vacuum insulated and uninsulated cryogenic transfer lines and their supports, which will handle liquid and gaseous argon transfer inside the cryostats for purging, cooling, filling, and recirculation purposes. This is part of a larger Deep Underground Neutrino Experiment (DUNE) project that will employ four detectors requiring approximately 70,000 tons of liquid argon in total.