As used in this chapter, the term:

(1) "Authority" means the Georgia Building Authority (Penal), the same being formerly known as the State Penal and Rehabilitation Authority. All references in this chapter to "authority" shall be construed to mean the Georgia Building Authority (Penal) and the change in name of the authority shall in no way affect the identity of the authority or the rights, powers, privileges, or liabilities of the authority or any person under this chapter.

(2) "Bonds" or "revenue bonds" means any bonds issued by the authority under this chapter, including refunding bonds.

(3) "Cost of the project" means the cost of construction; the cost of all lands, properties, rights, easements, and franchises acquired; the cost of all machinery and equipment, financing charges, and interest prior to and during construction and for one year after completion of construction; the cost of engineering, architectural, and legal expenses and of plans and specifications and other expenses necessary or incident to determining the feasibility or practicability of the project; administrative expenses; and such other expenses as may be necessary or incident to the financing authorized in this chapter, the construction of any project, the placing of the same in operation, and the condemnation of property necessary for the construction and operation. Any obligation or expense incurred for any of the foregoing purposes shall be regarded as a part of the cost of the project and may be paid or reimbursed as such out of the proceeds of revenue bonds issued under this chapter for the project.

(4) "Project" means and includes one or a combination of two or more of the following:

(A) Penal institutions;

(B) Penitentiaries;

(C) Prisons and prison institutions;

(D) Detention and corrections institutions;

(E) Rehabilitation institutions and facilities;

(F) County correctional institutions;

(G) Facilities for adult and juvenile inmates and offenders and for the employees of any department, institution, or agency of the state having jurisdiction over state operated institutions where inmates are confined, including housing accommodations, buildings, and facilities intended for use as: prisons; training schools; classrooms; laboratories; medical facilities; dormitory facilities; instructional facilities; industrial, mechanical, vocational, and agricultural training facilities; and recreational and administrative facilities;

(H) All other structures and electric, gas, steam, and water utilities and facilities which are deemed by the authority as necessary and convenient for the operation of any department, institution, or agency conducting and operating state penal facilities.

(5) "Self-liquidating" means, in the judgment of the authority, that the revenues, rents, or earnings to be derived by the authority from any project or combination of projects will be sufficient to pay the cost of maintaining, repairing, and operating the project and to pay the principal and interest of revenue bonds which may be issued for the cost of the project, projects, or combination of projects.

(6) "Unit" means any penal institution, state or county correctional institution, training school, rehabilitation school, or other penal or rehabilitation facility at any particular location, which unit forms a part of the penal, correctional, and rehabilitation facilities of the state.