(a) Permitted Uses on Nonconforming Lots. In any district other than an agricultural and/or residential district, notwithstanding the limitations imposed by other provisions of this Zoning Code, a building designed for any permitted use in such district may be erected on a nonconforming lot, as defined in Section 1147.02 of this Zoning Code.
(b) Required Yards for Uses on Nonconforming Lots. When construction is permitted by paragraph 1147.03 (a) above, such building shall comply with all regulations applicable in the district in which the lot in question is located. However, the width of any required side yard need not be greater than the following:
(1) Minimum side yard shall not be less than ten (10) percent of the lot width.
(2) Total of both side yards shall not be less than twenty-five (25) percent of the lot width.
(3) The width of any side yard that adjoins a public street shall not in any event be less than twelve and one-half (12.5) feet.