Site work for a bridge / tunnel in Menlo Park, California. Conceptual plans call for site work for a bridge / tunnel.

DISCLAIMER: There is no solicitation at this time. This Sources Sought is not a Request for Proposals. Submission of any information in response to this request is purely voluntary. SLAC will not pay for any costs incurred nor is obligated to respond. All submissions become SLAC property and will not be returned. BACKGROUND: SLAC is operated by Stanford University as a contractor for the United States Department of Energy (DOE) Office of Science (SC). SLAC seeks to increase the maximum X-ray energy capability of an existing hard X-Ray Free Electron Laser (XFEL) facility through the implementation of its LINAC Coherent Light Source II High Energy (LCLS-II-HE) Project. A Low Emittance Injector Tunnel (LEIT) will be part of the supporting infrastructure for the LCLS-II-HE Upgrade. The LEIT will house a lower emittance electron beam source (injector), which is required to achieve the upgrade. Correspondingly, the LEIT Project comprises the design and construction of the tunnel and supporting infrastructure for the injector. The LEIT will be located on the west side of the (SLAC) Campus in Menlo Park, California. SUBMISSION INSTRUCTIONS: Submission Instructions: Interested parties are invited to submit a response to the above questions to jamesy@slac.stanford.edu with "LEIT PROJECT Sources Sought Response" inserted in the subject line of the email. TELEPHONE RESPONSES WILL NOT BE ACCEPTED. Responses shall be received no later than September 27 at 5:00PM PDT. SLAC believes the applicable NAICS code is 237990. All interested firms must be active registered in SAM.gov to be eligible. of construction: More than $10,000,000.00 PERIOD OF : Estimated Acquisition Cycle: 1) April 2024 -RFP Release 2) June 2024 - Bids Due 3) November 2024 - Award Subcontract 4) October 2026 - Complete Construction The Method of Contractor Selection has not been determined at this Time.