“Private swimming pool” as used in this Building Code means any body of water containing more than one thousand five hundred (1,500) gallons of water or having a depth of more than twenty-four (24) inches, to the top of the side wall, used or intended to be used for swimming or bathing, and constructed, installed or maintained in or above the ground on any property or premises and used solely by the owner, purchaser under contract, lessee, tenant or licensee thereof, and his or her family and by friends invited to use it without payment of any fee.