§ 27-402  M-3 GENERAL MANUFACTURING DISTRICT.
   1.   Intended purpose. The purpose of this district is to provide for the more intense type of manufacturing and industrial uses. Regulations to minimize their incompatibility with other districts are the minimum required for the mutual protection of the industrial areas; and to that end, these districts will be separated by buffer strips where adjacent to any residential or commercial district.
   2.   Permitted uses and structures.
      A.   Principal uses.
         (1)   Principal uses permitted in the M-2 District, except dwellings without the requirement for being conducted within a completely enclosed building;
         (2) Open storage, provided such business is conducted in an area enclosed by a well-maintained fence or wall at least six feet in height;
         (3)   Oil and gas refining, processing, storage and transmission
         (4)   Sawmill;
         (5)   Warehouse, without restrictions on storage except as provided hereinafter; and
         (6)   Advertising signs, as regulated in the C-2 District.
      B.   Accessory uses.
         (1)   Accessory uses permitted and as regulated in M-2 District;
         (2)   Quarters for a caretaker or watchmen;
         (3)   Business signs, as regulated in § 27-701.3; and
         (4)   Off-street parking. (See Part 6 of this Chapter for required spaces; off-street loading or unloading.)
      C.   Uses by special exception.
      D.   Limitations on uses in the M-3 District. No use of land, building or structure shall be permitted, the operation of which normally results in any fire or explosive hazard beyond the boundaries of the district in which such use is located.
   2.   Required open space.
      A.   Front yard. Same as required in M-2 District. (See § 27-401.)
      B.   Side yard. (Two required).
         (1)   Ten feet minimum;
         (2)   Where a side lot line abuts a lot in any C District or M-2 District, the side yard shall be not less than 20 feet;
         (3)   Where a side lot line abuts a lot in any R District, the side yard shall not be less than 75 feet; and
         (4)   Corner lots shall be subject to § 27-703.4 (side yard modification for corner lots).
      C.   Rear yard.
         (1)   Ten feet minimum; and
         (2)   Along a lot in an R District: 75 feet.
   3.   Maximum height. Fifty feet.
(Ord. 1983-2B, passed 4-30-1984; Ord. 1989-1, passed 3-13-1989)