A selected ESCO is required to enter into the Base Contract with the City, which will establish the contractual relationship between the Parties throughout the term of the engagement. The Base Contract will set forth applicable terms and conditions required by the City of Phoenix. The Base Contract will also set forth terms and conditions related to the conduct of Investment Grade Audits of City facilities, the implementation of Energy Performance Contracts for projects throughout the City on an as-needed basis as required by the City, and any post-construction guarantee and monitoring obligations. The potential project areas throughout the City are identified in the Facility Overview, which may be revised or supplemented at any time by the City.