Fermi Forward Discovery Group LLC (FFDG) requests a proposal for the Long-Baseline Neutrino Facility Deep Underground Neutrino Experiment (LBNF/DUNE-US) Concrete Project in accordance with this RFP an... Fermi Forward Discovery Group LLC (FFDG) requests a proposal for the Long-Baseline Neutrino Facility Deep Underground Neutrino Experiment (LBNF/DUNE-US) Concrete Project in accordance with this RFP and the enclosed Proposal Preparation Instructions and other enclosures. Construction work at the SURF Underground Chambers located in Lead South Dakota consisting of demolition work, new concrete/rail installation and installation of the modified sheave beam.