10.34. The water recirculation system of a swimming pool must be designed to avoid trapping any bather who comes into contact with a drain or suction outlet. The system must be equipped, for each pump, with1° at least 2 drain or suction outlets at least 1,000 mm apart;
2° a device to limit the water flow through the openings in each outlet to the maximum prescribed by the drain cover manufacturer;
3° an emergency shut-off easily accessible to bathers at a clearly indicated location; and
4° drain or suction outlets covered by drain covers that comply with ASME Standard A112.19.8, “Suction Fittings for Use in Swimming Pools, Wading Pools, Spas, Hot Tubs, and Whirlpool Bathtub Appliances” or ANSI/APSP-16 “American National Standard for Suction Fittings for Use in Swimming Pools, Wading Pools, Spas, and Hot Tubs” and designed so that bathers cannot remove them without tools.