(1) If a diving tower or board is provided, such board or tower shall be rigidly constructed and properly anchored so as to ensure stability.
(2) No diving board or tower over 10 feet in height shall be used in the swimming pool.
(3) If diving platforms are more than—
(a) five feet but less than 8 feet above the water the minimum depth at that point shall not be less than 11 feet;
(b) eight feet but less than 10 feet the minimum depth at that point shall not be less than 12 feet.
(4) There shall be not less than 15 feet of unobstructed headroom above every diving board extending 10 feet in front of the board.