(a) Public pools, spas and similar installations and all appurtenances shall be:
(b) The structural design and materials used for pools, spas or similar installations shall be in accordance with generally accepted industry engineering practices and methods prevailing at the time of original construction.
(c) A public pool shall have no sharp edges or protrusions where walls meet at an acute angle.
(d) The shell and appurtenances, piping, filter system, pump and motor and other components shall be designed and constructed to facilitate protection from damage due to freezing.
010-3 Wyo. Code R. § 3-1