Section 21(1) in Tamil Nadu Urban Local Bodies (Regulation and Monitoring of Swimming Pools) Rules, 2015
(1)Artificial external lighting shall be provided at all indoor and outdoor pools that are open for use after sunset which shall be atleast 33.5 lumens or 2.2 watts per square meter of pool water surface area and deck area. There shall be a provision for emergency lighting, in case of failure of routine source of power. The emergency lighting shall be atleast half of the prescribed artificial external lighting i.e., 16.75 lumens or 1.1 watts per square meter of pool water surface area and deck area. The pool shall not be put to use without such emergency lighting.
