1. (a) This chapter does not apply to the construction of a structure in a municipality that has in effect a nationally recognized model building code governing the construction if the building code requires at least one one-hour fire-resistive means of escape with a total width equal to or greater than the total exit width required under this chapter for a structure of three or more stories.

2. (b) This chapter does not apply to a grain elevator constructed of:

   1. (1) steel;
   2. (2) steel and concrete; or
   3. (3) wood if fewer than five persons are employed at the grain elevator.

3. (c) This chapter does not apply to a county courthouse that:

   1. (1) was constructed before September 1, 1989; and
   2. (2) is located in a county with a population of less than 50,000.

Acts 1989, 71st Leg., ch. 678, Sec. 1, eff. Sept. 1, 1989.

Acts 2023, 88th Leg., R.S., Ch. 171 (S.B. 888), Sec. 1, eff. May 24, 2023.