25 Tex. Admin. Code § 265.183
(b) Licensed engineer required.
(2) Design and construction of Class C pools and spas constructed on or after the effective date of this subchapter shall be planned and designed by a licensed engineer if the pool or spa has a diving board, climbing wall, slide, movable bottom, interactive water feature or fountain, or any aquatic play feature that meets the definition of "Amusement Ride" in Texas Occupations Code, Chapter 2151 (the Amusement Ride Safety Inspection and Insurance Act), or is one of the following:
(3) Renovation of Class A and Class B pools and spas constructed before the effective date of this subchapter shall be planned and designed by a licensed engineer. Renovation of Class C pools and spas constructed before the effective date of this subchapter shall be planned and designed by a licensed engineer if the pool or spa has a diving board, climbing wall, slide, movable bottom, interactive water feature or fountain, or any aquatic play feature that meets the definition of "Amusement Ride" in Texas Occupations Code, Chapter 2151 (the Amusement Ride Safety Inspection and Insurance Act), or is one of the following:
Source Note:The provisions of this §265.183 adopted to be effective January 1, 2021, 45 TexReg 9529.