This document is a set of drawings related to a solicitation (Solicitation Number FA487724B0001) for the repair and construction of the primary electrical distribution system at Davis-Monthan Air Force Base (DMAFB) in Arizona. The project encompasses plans, specifications, and execution of repair, construction, and demolition activities to design and construct a switch house facility on the DMAFB Substation yard. The work must comply with the current Base Design Compatibility Guidelines, 355 CS Design Guide, and the Cybersecurity Control Systems Guide. The contractor shall bring all identified facility systems up to current codes and provide the necessary supervision to complete the project at DMAFB. All individuals requesting access to DMAFB will be required to submit an Entry Authorization Letter (EAL) by March 15, 2024 at 1:00 pm Arizona Local Time. Name changes will not be permitted after EAL submission, and personnel swapping will not be allowed in the event of a denial due to a background issue.