§ 152.077 M GENERAL MANUFACTURING DISTRICT.
   (A)   Principal permitted uses. No building, structure or land shall be erected, altered, enlarged or used which is arranged or designed for other than one of the following uses except as provided herein and in §§ 152.050 through 152.056.
      (1)   General. All nonresidential principal permitted uses permitted and as regulated in the B-2 and HS Districts, except as hereinafter specified or modified.
      (2)   Manufacturing. The manufacturing, compounding, processing, packaging and assembling of:
         (a)   Bakery goods, candy, cosmetics, pharmaceuticals, toiletries, and food products; except fish or meat products, sauerkraut, vinegar, yeast, the rendering or refining of fats or oils and the distillation of alcoholic beverages.
         (b)   Products from the following previously prepared materials: bone, canvas, cellophane, cloth, cork, feathers, fibre, fur, glass, hair, horn, leather, paper, plastics, precious or semiprecious metals or stones, sheet metal (except where presses over 20 tons rated capacity are employed), shell, textiles, tobacco, wax, wood (except where saw and planing mills are employed), yarns.
         (c)   Pottery and figurines, using previously pulverized clay, and kilns fired only with gas or electricity.
         (d)   Musical instruments, toys, novelties, rubber or metal stamps and other small rubber products.
         (e)   Electrical and electric appliances, instruments and devices, television sets, radios, phonographs.
         (f)   Electric and neon signs, billboards and other commercial advertising structures; light sheet metal products including heating and ventilating equipment, cornices, eaves and the like.
      (3)   Animal hospital, veterinary clinic, etc. Animal hospitals, kennels, display and housing or boarding of pets and other domestic animals, provided that any enclosure or building in which the animals are kept shall be at least 100 feet from any R District and at least 50 feet from any B District. Exercise runs shall be enclosed on four sides by an unpierced well-maintained fence or wall at least six feet in height.
      (4)   Building and related trade. Carpenter shops, electrical, plumbing, paint shops, heating shops, paper-hanging shops, furniture upholstering and similar enterprises but not within 50 feet of any R District.
      (5)   Wholesale. Any wholesale business including incidental warehousing; commercial greenhouses.
      (6)   Warehousing and truck terminals. Warehouses for the storage of merchandise and materials, trucking or motor freight stations or terminals and carting, expressing or hauling establishments, providing such uses are conducted wholly within a completely enclosed building or buildings except for storage of vehicles; and further provided that no part of such building or buildings shall have any opening other than stationary windows or required fire exits within 200 feet of any R District.
      (7)   Laboratories. Experimental, film or testing laboratories, provided no operation shall be conducted or equipment used which would create hazards, noxious or offensive conditions.
      (8)   The following uses: Provided no part of a building occupied by such uses shall have any opening other than stationary windows or required fire exits within 100 feet of any R District.
         (a)   Blacksmith, welding or other metal working shop, excluding punch presses over 20 tons rated capacity, drop hammers and other noise-producing machine-operated tools; machine shops, cooperage works.
         (b)   Foundry, casting lightweight nonferrous metals, or electric foundry not causing noxious fumes or odors.
         (c)   Bag, carpet and rag cleaning, provided necessary equipment is installed and operated for the effective precipitation or recovery of dust.
         (d)   Ice manufacturing and cold storage plant.
         (e)   Bottling of soft drinks, milk, alcoholic products or other beverages and distribution stations therefor.
      (9)   The following uses: When located not less than 200 feet from any R District.
         (a)   Inflammable liquids, underground storage only, not to exceed 25,000 gallons.
         (b)   Building materials sales yards, including concrete mixing; lumber yards including millwork, open yards for storage; sale of feed and/or fuel; and contractors' equipment storage.
         (c)   Retail lumber yards including incidental millwork, building material yards; storage and sales of grain, livestock, feed or fuel; provided such uses are conducted within an area completely enclosed on all sides with a solid wall or uniformly painted solid board fence not less than six feet high.
      (10)   The following uses: When located not less than 500 feet from any R District, and not less than 200 feet from any other district: distilleries.
      (11)   Public utilities. Public utility buildings and facilities.
      (12)   Motor vehicle service. Farm implements, trucks and trailers for sale, display, hire or major repair, including sales lots, trailer lots, repair garages, subject to the provisions of §§ 152.155 and 152.156, and provided that buildings shall be at least 100 feet from any R District, and shall have no openings adjoining an R District other than stationary windows and fire escapes.
   (B)   Conditional uses. The following uses shall be permitted only if expressly authorized by the Board.
      (1)   General. Any other use not prohibited by division (D) of this section and that is determined by the Board not to be injurious or detrimental to the public health, safety, comfort, morals, convenience or general public welfare or to neighboring property and subject to such terms and conditions, including the performance standards requirements set forth in §§ 152.090 through 152.092, deemed necessary by the Board to protect the above enumerated interests.
   (C)   Accessory uses. Accessory uses, buildings or structures customarily incidental to any aforesaid principal permitted or conditional use shall be permitted in conjunction with such use, including the following:
      (1)   Heliport. Subject to the conditions and requirements of § 152.070 (B)(5).
   (D)   Prohibited uses.
      (1)   Dwellings, etc. Dwellings and residences of any kind, including motels, trailer parks; schools, hospitals, clinics and other institutions for human care, except where incidental to a permitted principal use; provided, however, that any of the aforesaid uses legally existing in the M-1 District at the time of adoption of this chapter, or any amendment thereof, shall not be classified as a nonconforming use as defined in § 152.004 and shall not be subject to the provisions of §§ 152.050 through 152.056.
      (2)   Offensive uses - not to be authorized. No use shall be permitted or authorized to be established or maintained which, when conducted under adequate conditions and safeguards in compliance with the provisions of this chapter, and any additional conditions or requirements prescribed by the Board, is hazardous, noxious or offensive, due to the emission of odor, dust, smoke, cinders, gas, fumes, noise, vibration, beat frequency, refuse matter, or water-carried waste.
   (E)   Height regulations. Within 200 feet of any R District, no structure shall exceed four stories or 50 feet in height, and no structure in any case shall exceed in height the distance measured to the center line of any adjoining street; except as provided in §§ 152.210 and 152.211.
   (F)   Lot area, frontage and yard requirements. The following minimum requirements shall be observed, except as otherwise provided in §§ 152.212 through 152.215, 152.225 and 152.226.
 
Lot Area
Lot Frontage
Front Yard Depth
Side Yard Width
Rear Yard Depth
Nonresidential
None
None
20 ft.
None, except when adjoining R District - then not less than 50 feet.
1 story: 40 ft.
2 stories: 50 ft.
3 stories: 60 ft.
Five feet more each additional story.
Existing Residential:
Same as required in the R-3 District.
 
   (G)   Courts. Same as required in the R-3 District.
(Ord., passed - -79; Am. Ord. 1980-5, passed 7-7-80; Am. Ord. 1999-2, passed 2-1-99; Am. Ord. 2002-9, passed 7-11-02) Penalty, see § 152.999