1.   District Regulations. The regulations set forth in this section or set forth elsewhere in this Zoning Code, when referred to in this section, are the regulations in the Heavy Industrial District (I-3).

2.    Use Regulations. The Heavy Industrial District is intended for those purposes which may be deemed as having potential for regulated air, water, ground, or noise pollution. Examples of uses are:

   A.   Manufacture of explosives (including ammunition and fireworks) and explosives storage .

   B.   Rendering and storage of dead animals, garbage, or waste products .

   C.   Food and beverages .

   D.   Fat rendering .

   E.   Fish curing, packing, and storage .

   F.   Slaughter of animals .

   G.   Starch manufacture .

   H.   Unclassified industries and uses .

   I.   Hair, hides, and raw fur, curing, tanning, dressing, dyeing, and storage .

   J.   Stockyards .

   K.   Junkyards and auto wrecking yards .

   L.   Processing or storage of radioactive materials done in accordance with applicable federal and State regulations.

   M.   Buildings, structures, or enclosures for storage or processing of grain or agricultural products not grown by the owner or tenant on the premises.

   N.   Any allowable use in the Middle Industrial District.

3.    Parking Regulations. Refer to Chapter 69 and Section 165.38.

4.    Height and Area Regulations.

   A.   Front Yards. Front yard setbacks for Heavy Industrial District shall be 30 feet or two feet of lineal setback for every one foot of building height, whichever is greater.

      (1)   Front yard regulations for dwellings in a Heavy Industrial District are the same as those in the R-1 Residential District.

   B.   Side Yards. Side yard setbacks for all Heavy Industrial Districts shall be zero feet.

      (1)   Side yard regulations for dwellings in a Heavy Industrial District are the same as those in the R-1 Residential District.

      (1)   Rear yard regulations for dwellings in a Heavy Industrial District are the same as those in the R-1 Residential District.

   D.   The front and rear yard regulations for commercial/ non-industrial use buildings in the Heavy Industrial District shall be the same as those setbacks in the B-1 General Business District. No rear yards for commercial buildings are required, except on the rear of a lot abutting an R-1 and R-2 Residential District, in which event a rear yard of not less than 30 feet shall be provided.

   E.   If a building contains both a business and industrial use in the Heavy Industrial District, the industrial setback requirements shall prevail.

   F.   Existing business and commercial uses in existence in the Heavy Industrial Districts at the time of the adoption of this Zoning Code shall be allowed to continue and expand in their present location and shall not be considered as non-conforming uses for the purposes of the enforcement of this Zoning Code.

5.    Area Regulations. Refer to Chapter 165.