Swimming pools shall be designed to withstand the water pressure from within and resist the pressure of the earth when the pool is empty, to a pressure of two thousand two hundred (2,200) pounds per square foot. The slope of the bottom of any part of a pool in which the water is less than five feet (5') in depth shall not be more than one foot (1') in each ten feet (10'). The maximum slope where water is five feet (5') or more in depth shall not exceed one foot (1') in two feet (2'). (1997 Code)