COMPONENTIZATION FOR AGENCY RECEIVING FEDERAL FUNDS.

(a) In this section "componentization" means the process of separately calculating the depreciation of major building structural components, subsystems, and equipment.

(b) This section applies only to a state agency that receives federal funds to implement federal or joint federal and state programs.

(c) A state agency shall complete a componentization of any agency-owned building with a fair market value of at least $1 million. As each building component is replaced, it shall be separately depreciated based on its individual useful life. At a minimum, the agency shall complete any componentization using the following component categories and suggested useful lives:

(1) building shell, 30 years;

(2) electrical and lighting systems, 20 years;

(3) plumbing systems, 20 years;

(4) fire protection systems, 20 years;

(5) elevator systems, 20 years;

(6) fixed equipment assets, 20 years;

(7) heating, ventilation, and cooling systems, 15 years;

(8) floor coverings, 15 years;

(9) interior finish, 15 years;

(10) miscellaneous construction features, 15 years; and

(11) roof coverings, 10 years.

(d) The comptroller by rule may modify the schedule prescribed by Subsection (c).