(1) All gates or doors opening through the fence or structure protecting a swimming pool as required by this chapter shall be equipped with self-closing and self-latching devices not less than four feet above grade capable of keeping such gate or door securely closed at all times when not in actual use.

(2) All doors or gates shall be of such size as to completely fill any opening in the fence or wall. The owner or person in possession of the premises on which such swimming pool exists shall keep such doors and gates closed and securely latched at all times when such swimming pool is not in use. (2002 Code § 17-2.5).