The San Francisco International Airport is seeking bids for the Stations BB, AR, and AM 12kV Upgrades project. The project involves upgrading the 12,000-volt infrastructure, including electrical medium voltage switchgear and cables, to improve resiliency and redundancy of the MV infrastructure system. The project requires a California Class "A" or "C-10" contractor's license and has a Local Business Enterprise (LBE) subcontracting requirement of 10%. The estimated cost of construction is between $23,800,000 and $27,700,000. • The project includes electrical, mechanical, and civil work, as well as commissioning and testing of the systems. • The contractor will be responsible for maintaining the systems and equipment during the construction period and for a period of 2 years after final acceptance. • The project requires compliance with San Francisco Administrative Code Chapter 6, Public Works Contracting Policies and Procedures, and Chapter 14B, Local Business Enterprise Utilization and Non-Discrimination in Contracting Ordinance. • The contractor must submit a bid security in an amount equal to 10% of the bid amount and provide performance and payment bonds in an amount equal to 100% of the contract sum.