(a) Where dwelling units are erected above commercial and industrial structures in business, office and industrial districts, no side yards are required except as such side yard as may be required in the district regulations for a commercial or industrial building on the side of a lot adjoining a residential district.
(b) More than one main institutional, public or semipublic, commercial or industrial building may be located on a lot or tract, provided no such building or portion thereof is located outside the buildable area of the lot.
(c) On double frontage lots the required front yard shall be provided on each street.
(d) Where the main building on any lot in a R-A or R-S Residential District has been erected prior to the enactment of Ordinance 4114, passed November 12, 1957, additions to such building may be erected provided that the side yards shall have a combined width of not less than twelve feet, and provided that no side yard shall have a width of less than five feet.
(e) Where a corner lot in any business or industrial district abuts upon a lot in any residential district, the side yard of the corner lot shall not be less than one-half of the required front or side yard on the lot in the residential district.
(f) On corner lots in any R-L; R-A; R-S; R-M; S-U; B-1; B-3; and M-1 District, no fence or vegetation shall be allowed or maintained within twenty feet of the intersection of the street property lines which would obstruct clear traffic visibility within the limits of three feet and ten feet above the curb grade. In the event of any conflict of opinion, the City Police Chief shall determine whether any fence or vegetation interferes with traffic visibility or is an obstruction.
(g) Fences placed in any district in the required front yards or sideyards adjoining a side street, shall not exceed three feet in height. Fences in residential districts shall in no case exceed six feet in height.
(h) Whenever a lot abuts upon or adjoins an alley, one-half the alley width may be considered as a portion of the required rear or side yard.
(Ord. 24-66. Passed 4-5-66.)