§ 153.31 HEIGHT.
   (A)   Normal maximum building heights.
      (1)   The normal maximum height of a dwelling is as follows in the districts indicated: 35 feet or 2½ stories in the A-1, and A-2 Districts; 25 feet or 2½ stories in the RS, R-1 District; and 40 feet or 3½ stories in the R-3, LB, RS, PB, GB, MS, I-1, I-2, and UD Districts.
      (2)   The normal maximum height of business uses is as follows in the districts indicated: 40 feet in the LB and PB Districts; 60 feet in the GB, UD and I-2 Districts.
      (3)   The normal maximum height of enclosed industrial uses is 75 feet in the GB, I-1, and I-2 Districts; and for open industrial uses, 75 feet in the I-2 District.
      (4)   The normal maximum height of contingent uses is as follows in the districts indicated: 35 feet in the A-1, A-2, and RS, R-1, R-2, R-3, and MS Districts; 40 feet in the LB, PB, and I-1 Districts; and 60 feet in the GB and I-2 Districts.
      (5)   The normal maximum height of accessory buildings is as follows in the districts indicated: 18 feet in the A-1, A-2, RS, R-1, R-2, R-3, LB, and UD Districts; and 24 feet in the PB, GB, MS, I-1 and I-2 Districts; provided that an accessory building to a farm house or farm dwelling may be erected to a normal maximum height of 40 feet.
   (B)   Height exceptions.
      (1)   In the districts limiting height to 25 feet, a dwelling may be increased in height not to exceed 40 feet provided the required side yards are increased an additional foot for each foot such structure exceeds 25 feet in height.
      (2)   Business and industrial buildings and structures may be erected higher than the normal maximum if they are set back from front and rear property lines, one foot for each two feet of additional height above the normal maximum height, provided that the Executive Director approves the increased height, primarily upon the availability of adequate fire protection.
      (3)   Chimneys, cooling towers, elevator bulkheads, fire towers, penthouses, stacks, tanks, water towers, transmission towers, or essential mechanical appurtenances, may be erected to any height not prohibited by other laws or the provisions of this chapter.
(Ord. 3095, passed 2-15-93) Penalty, see § 153.99