The owners of all pools in existence on or before the effective date hereof who have a guard or fence or enclosure less than three feet (3') in height or not otherwise in compliance with this Chapter shall cause said improvements and additions to be carried out over a period not to exceed six (6) months from the effective date hereof in order to comply with the requirements of this Chapter; provided, however, that whenever any guard, fence or enclosure as described in this Section is replaced, it shall fully comply with the minimum four feet (4') in height requirements hereinabove set forth in Section 9-4-1 of this Chapter. (Ord. 2948, 4-27-1960)