Sec. 101.021.  GOVERNMENTAL LIABILITY.  A governmental unit in the state is liable for:
(1)  property damage, personal injury, and death proximately caused by the wrongful act or omission or the negligence of an employee acting within his scope of employment if:
(A)  the property damage, personal injury, or death arises from the operation or use of a motor-driven vehicle or motor-driven equipment;  and
(B)  the employee would be personally liable to the claimant according to Texas law;  and
(2)  personal injury and death so caused by a condition or use of tangible personal or real property if the governmental unit would, were it a private person, be liable to the claimant according to Texas law.
Acts 1985, 69th Leg., ch. 959, Sec. 1, eff. Sept. 1, 1985.