6-1-5: B-1 BUSINESS DISTRICT REGULATIONS:
   (A)   Use: No building shall be used and no building shall be hereafter erected or altered, within any local business district unless otherwise provided in this chapter, except for the following uses:
      1.   Stores and shops for the conduct of retail business.
Any buildings primarily used for any of the above uses may have not more than forty percent (40%) of the area devoted to business or storage purposes incidental to such primary use.
   (B)   Height: Any building hereafter to be erected or altered shall be constructed of brick or stone and be of dimensions of at least twenty feet (20') in width and fifty feet (50') in length, not less than one story in height.
   (C)   Area:
      1.   Inner Court: An inner court, if provided, shall be not less than six feet (6') wide, nor shall its area be less than twice the square of its required least dimension.
   (D)   Intensity Of Use Of Lot: No building with its accessory buildings, to be used for commercial purposes, shall occupy in excess of ninety percent (90%) of the area of the lot.
   (E)   Rear Yard: There shall be a rear yard of not less than ten percent (10%) of the depth of the lot provided, however, such rear yard need not exceed ten feet (10') in depth.
   (F)   Setback: See sections 6-1-12 and 6-1-13 of this chapter. (Ord. 145, 8-3-1961)
   (G)   Side Yard: A side yard, if provided, shall be not less than three feet (3') wide, and shall extend the full depth of the lot. (Ord. 91-845, 7-2-1991)