1145.12 L-I LIGHT INDUSTRIAL DISTRICT.
   (a)    Purpose. This district has been established to accommodate industrial uses which will have a minimum impact upon their environment.
 
   (b)   Principal Permitted Uses.
      (1)    The manufacturing, compounding, assembling or treatment of (or any combination of such processes) of articles or products from the following substances: bone, canvas, cellophane, clay, cloth, cork, elastomers, feathers, felt, fiber, fur, glass, hair, horn, leather, paper, plastics, rubber, precious or semi-precious stone or metal, sheet metal, shell, textiles, tobacco, wax, wire, and wood, but not including as a principal operation, the manufacturing of such substances.
      (2)   Any industrial activity, such as those enumerated below as examples, which fulfills all the requirements of this section:
         A.    The manufacturing or assembling of the following:
            1.    Medical, dental, optical and similar precision instruments.
            2.    Musical instruments
            3.    Novelties, toys, rubber products.
            4.    Orthopedic or medical appliances.
            5.    Watches, clocks, including clock operated devices.
         B.   Machine shops and tool and die shops.
         C.   Manufacturing, assembling or repairing of electrical and electronic products, components and equipment.
         D.   Compounding, processing and packaging of chemical products, but not including any materials which decompose by detonation.
         E.   Compounding, processing and packaging of meat, dairy and food products, exclusive of slaughtering.
         F.   Automobile service stations as regulated in Section 1153.02(c).
         G.   Awning company.
         H.   Bakeries, wholesale.
         I.   Beverage distributors manufacturing, bottling plants.
         J.   Carpenter and cabinet shops.
         K.   Carpet and rug cleaning plants.
         L.   Commercial radio and television transmitting stations, antenna towers and other electronic equipment requiring outdoor towers.
         M.   Eating places, drive-in and carry-out.
         N.   Electric supply company.
         O.   Equipment rental, sales and service, including automobiles, trucks and trailers.
         P.   Fence company.
         Q.   Glass distributors.
         R.   Labor union meeting halls.
         S.   Laundries, dry cleaning plants and linen supply.
         T.   Mail order houses.
         U.   Monument sales and finishing.
         V.   Offices.
         W.   Printing, publishing, binding and typesetting plants.
         X.   Research and engineering laboratories.
         Y.   Sign painting and manufacturing.
         Z.   Wholesale houses and storage facilities.
         AA.   Warehouses which may have a maximum lot coverage of seventy-five percent (75%) and a maximum floor area ratio of 0.75.
         BB.   Credit unions.
         CC.   Service clubs.
         DD.   Body shops.
 
   (c)    Accessory Uses.
      (1)    Accessory uses, building or other structures customarily incidental to any aforesaid permitted use.
      (2)    Temporary buildings for uses incidental to construction work, which buildings shall be removed upon the completion or abandonment of the construction work.
 
   (d)    Conditional Uses. The following conditional uses subject to approval in accordance with Section 1153.02.
      (1)    Truck and motor freight terminals and hauling services.
 
   (e)    Required Conditions. No zoning certificate shall be issued for an I-1 use, until the applicant has certified to the Zoning Inspector that:
      (1)    The industrial activity will be conducted wholly within a completely enclosed building, except for automobile service stations; drive-in restaurants; equipment rental, sales and service, including automobiles, trucks and trailers; truck and motor freight terminals and hauling services.
      (2)    No emission of toxic or noxious matter, which is injurious to human health, comfort or enjoyment of life and property or to animal or plant life shall be permitted. Where such emissions could be produced as a result of accident or equipment malfunction, adequate safeguards considered suitable for safe operation in the industry involved shall be taken.
      (3)    The emission of smoke or other air pollutants shall not violate the standards and regulations of the Montgomery County Combined General Health District. Dust and other types of air pollution borne by the wind shall be kept to a minimum by appropriate landscaping, paving, oiling or other acceptable means.
      (4)    There will be no emission of odors or odor-causing substances which can be detected without the use of instruments at or beyond the lot lines.
      (5)    There will be no vibrations which can be detected without the use of instruments at or beyond the lot lines.
      (6)    Where the property lines separate an Industrial District from a Residential District, a visual and mechanical barrier, a minimum of six feet in height, shall be provided along the common lot line, which may consist of any of the following:
         A.    An evergreen hedge used with a chain link fence, not less than three feet in height.
         B.    A fence of a nondeteriorating material.
         C .    Masonry wall.
      (7)    Exterior lighting shall be shaded wherever necessary to avoid casting direct light upon property located in any Residential District or upon any public street.
      (8)   No building or structure shall be used for residential purposes except that a watchman or custodian may reside on the premises.
      (9)   No raw materials shall be processed into any of the following basic products: metals of any kind, glass, plastic, textiles, leather or paper.
      (10)   All premises shall be furnished with all-weather hard surface walks of a material such as bituminous or Portland cement concrete, wood, tile, terrazzo or similar material and except for parking areas, the grounds shall be planted and landscaped.
      (11)   The storage, utilization and manufacture of solid, liquid and gaseous chemicals and other materials shall be permitted subject to the following conditions:
         A.    The storage, utilization or manufacture of solid materials or products ranging from free or active burning to intense burning is permitted; but only if such materials or products are stored, utilized or manufactured within completely enclosed buildings having incombustible exterior walls and protected throughout by an automatic fire extinguishing system.
         B.   All activities involving the use and/or storage and/or disposal of flammable liquids or materials which produce flammable or explosive vapors or gases shall be provided with adequate safety and protective devices against hazards of fire and explosion, as well as with adequate fire fighting and suppression equipment and devices standard to the industry involved.
         C.   The storage, utilization or manufacture of pyrophoric and explosive powders and dusts, and of materials and products which decompose by detonation is prohibited.
         D.   The manufacture of flammable liquids or materials which produce flammable or explosive vapors or gases is prohibited.
         E.   The storage and utilization of flammable liquids or materials that produce flammable or explosive vapors or gases shall be permitted on any lot in strict conformance with the applicable regulations set forth in the "Ohio Rules and Regulations of the Division of the State Fire Marshal for the Manufacture, Storage, Handling, Sale and Transportation of Flammable and Combustible Liquids." The handling of radioactive materials, the discharge of such materials into air and water and the disposal of radioactive wastes shall be in strict conformance with:
            A.    The applicable regulations of the Atomic Energy Commission;
            B.   The applicable regulations of any instrumentality of the State.
Failure to comply with any of the required conditions by property owners or users will be considered a zoning violation appropriate for prosecution under the terms of this section.
 
   (f)    Development Standards. In addition to provisions of Chapter 1141, and Chapter 1153 the following standards for arrangement and development of land and buildings are required in the L-I, Light Industrial District.
 
   (g)    Height Regulations. No structure shall exceed forty feet in height.
 
   (h)    Lot Area, Frontage and Yard Requirements. The following minimum requirements shall be observed.
      (1)    Lot area: None
      (2)    Lot frontage: 100*
      (3)    Front yard depth: 25 feet**
         *   Or such lesser frontage as will permit compliance with the side yard and off-street parking regulations.
         **   The front yard depth shall be measured from the established right-of-way lines as shown on the Official Thoroughfare Plan for the City.
      (4)    Side Yard:    A side yard shall be required adjacent to a Residential or a Planned Unit Residential District. Such side yard shall be equal to twice the height of the structure with a minimum requirement of twenty feet and a maximum requirement of forty feet.
      (5)    Rear Yard:    A rear yard shall be required adjacent to a Residential or a Planned Unit Residential District. Such rear yard shall be equal to twice the height of the structure with a minimum requirement of twenty feet and a maximum requirement of fifty feet.
If a use is to be serviced from the rear, the yard shall be at least fifty feet deep.