Section 19(2)(ii) in Tamil Nadu Urban Local Bodies (Regulation and Monitoring of Swimming Pools) Rules, 2015
(ii)Swimming pools with the diving, facilities in excess of three meters in height shall comply with dimensions illustrated in the figure in Annexure -III and the Table there under. If the pool is used for swimming as well as diving, then transition slope from the deep to the shallow end shall not be steeper than one in three.