The following terms whenever used in this article have the meanings given in this section except where the context clearly indicates otherwise: (a) "Local agency" means any county, city, or city and county. (b) "Board" means the legislative body of the local agency. (c) "Investing agency" means the Public Employees' Retirement System, as defined by Section 20004. (d) "Construction" includes the extension, enlargement, repair, renovation, restoration, improvement, and equipping of any public building. (e) "Public building" includes any structure, building, facility, or work which a local agency is authorized to construct and automobile parking lots, landscaping, and other facilities, including equipment, incidental to the use of any building, and also includes the site thereof, and any easements or rights-of-way appurtenant thereto or necessary for its full use. (f) "Acquire" includes purchase, condemnation, lease, and gift. (g) "Cost of a public building" includes, but is not limited to, the cost of all real estate, properties, rights, and easements acquired, the cost of construction of public buildings and equipment of them, all financing charges, interest prior to, during and for a period of six months after construction, engineering, architects' and legal expenses, including the cost of plans, specifications, and surveys, estimates of cost and revenues, administrative expenses, and such other expenses as are necessary or incident to the financing of public buildings, or to determine the feasibility or practicability of any public buildings, and the condemnation of property necessary for use of, or in connection with, any public building. (h) "Property" includes all property, real, personal or mixed, tangible or intangible, or any interest therein necessary or desirable for carrying out the purposes of this part.