As used in this chapter, the following terms shall have the meanings indicated:
Accepted or acceptable under acceptable specifications stated in this chapter or accepted or suitable for the proposed use under the procedures and powers of administration delegated in this chapter.
Includes the constructing or building or installing of a new swimming pool or the enlarging of any existing swimming pool or any of the facilities.
Any pool of permanent construction, designed, used and maintained for swimming or bathing purposes, and includes all buildings, structures, equipment and appurtenances thereto.