An owner of a public pool shall ensure that: A pool used for accredited competitive aquatic events as defined in §3 of the American National Standard for Public Swimming Pools is in compliance with §6.4.1 of American National Standard for Public Swimming Pools; The dimensions of a pool diving area are in conformance with the following minimum dimensions and explanatory diagram: Minimum dimensions: Explanatory diagram The transitional radius from wall to floor are in conformance with Article IV of the American National Standard for Public Swimming Pools. Diving equipment is installed in compliance with §§7.2.5—7.2.5.6 of the American National Standards for Public Swimming Pools; Unobstructed clearance is provided for a diving board in conformance with the following minimum dimensions: A minimum height of: 13 feet measured upward from the plummet of a diving board; or Greater than 13 feet if specified by the manufacturer of the diving board; A clearance as required in §D(1) of this regulation extending: 16 feet forward of the plummet; 8 feet behind the plummet; and 8 feet to both sides of the plummet; A minimum distance of 10 feet between the plummets of adjacent diving boards; and A minimum distance between a diving board plummet and a side wall of: 10 feet for a diving board 20 inches or less above the water line; and 12 feet for a diving board greater than 20 inches above the water line; Diving boards in excess of 10 feet above the water line and diving platforms are in compliance with §7.2.4 of the American National Standard for Public Swimming Pools; and A starting block: Is located on the pool deck so that a swimmer dives into a minimum of 5 feet water depth; or At a pool constructed before February 10, 1997, is located so that a swimmer dives into a minimum of: 5 feet water depth when the starting block is used without supervision; or 4 feet water depth when the starting block is: Used in a controlled environment such as a swimming competition under the supervision of an instructor; and Restricted from unsupervised use or is removed when not under supervised use.