The I-2 heavy industrial district is composed of certain lands suitable for relatively heavy industrial uses, such as flour and feed milling, and chemical plants. The purpose of this district is to permit the normal operations of most industries, subject to the regulations of this title and any other ordinance of the city regulating nuisances or special fire hazards. The regulations for this district are to promote and encourage a suitable environment for the proper functioning of the district, plus certain public facilities which are needed to serve the occupants of the district. The regulations set out in this chapter shall apply to all I-2 districts.

(Ord. 553 § 2-302 (part), 1970)

The following uses and their accessory uses are permitted outright in an I-2 district:

1.    Any use permitted in an I-1 district, except those uses permitted in an R-3 district;

2.    Acetylene gas manufacture;

3.    Aircraft manufacture;

4.    Alcoholic beverage manufacture;

5.    Asphalt manufacture or refining;

6.    Asphalt or concrete mixing plant;

7.    Automobile manufacture;

8.    Blast furnace;

9.    Boiler works;

10.  Brick, tile, terra cotta or clay products manufacture;

11.  Coal and petroleum products, refining or wholesale storage of petroleum;

12.  Concrete, cinder, pumice block manufacture;

13.  Creosote treatment or manufacture;

14.  Emery cloth or sandpaper manufacture;

15.  Fat rendering or tallow, grease or lard refining or manufacturing of products from fats;

16.  Flour and feed milling and storage;

17.  Forge plant;

18.  Gas (illuminating or heating);

19.  Glucose or starch manufacture;

20.  Iron, steel, brass or copper foundry, fabrication or works;

21.  Nitrating process;

22.  Oilcloth or linoleum manufacture;

23.  Oiled rubber or leather goods manufacture;

24.  Paint, oil, shellac, varnish or turpentine manufacture;

25.  Paper manufacture;

26.  Rock crushers;

27.  Rolling mills;

28.  Rubber, natural or synthetic, or treatment from crude or scrap materials or the manufacture of articles therefrom;

29.  Salt works;

30.  Sauerkraut or pickle, etc., manufacture;

31.  Sawmills;

32.  Shoe polish manufacture;

33.  Soap manufacture;

34.  Soda ash manufacture;

35.  Stone mill;

36.  Sugar manufacture;

37.  Tar or asphalt roofing or waterproofing manufacture;

38.  Vinegar manufacture;

39.  Yeast plant;

40.  The following uses, provided that their location and development are first approved by the board of appeals:

a.     Abattoirs or slaughterhouses, including meat packing plants,

b.    Acid manufacture,

c.     Ammonia, bleaching powder or chlorine manufacture,

d.    Automobile or machine wrecking and salvage yards,

e.     Crematory,

f.     Disinfectants, cattle dips, exterminators or insecticides manufacture,

g.     Dyestuff manufacture,

h.    Fertilizer and industrial chemical manufacture,

i.     Fireworks or explosive manufacture or storage or the handling of explosives,

j.     Gas manufacture or storage (other than illuminating or heating),

k.    Gelatine, glue or size manufacture or process involving recovery from animal material,

l.     Incineration or other reduction of garbage,

m.   Junkyards, including the handling and baling of paper, rags or junk of other description,

n.    The manufacture of cement, lime, gypsum or plaster of paris,

o.    Pulp mills,

p.    Pyroxylin or celluloid manufacture, or explosive or inflammable cellulose or pyroxylin products manufacture,

q.    Stockyards,

r.     Tanning, curing or storage of raw hides or skins;

41.  Other similar uses which in the judgment of the board of appeals are of the same general character as those listed in this section.

(Ord. 553 § 2-302 (A), 1970)

The following uses are permitted in an I-2 district when authorized in accordance with the requirements of this title governing conditional uses:

A.    Governmental structure or use;

B.    Drive-in theater;

C.    Dwelling, governed by the requirement of the R-3 residential district.

(Ord. 553 § 2-302 (B), 1970)

The lot size in an I-2 district shall be as follows:

A.    The minimum lot area shall be five thousand square feet.

B.    The minimum lot width at the front building line shall be fifty feet.”

C.    The minimum lot depth shall be one hundred feet.

(Ord. 553 § 2-302 (0), 1970)

In an I-2 district, buildings shall not occupy more than seventy percent of the lot area, except that not more than fifty percent of the area of that part of the lot which is within one hundred feet of a residential district shall be covered by buildings.

(Ord. 553 § 2-302 (G), 1970)

A.    In an I-2 district, all sides of the lot abutting a street shall have a twenty-five-foot setback.

B.    There shall be a minimum side yard of not less than eight feet.

C.    There shall be a minimum rear yard of not less than twenty-five feet.

(Ord. 553 § 2-302 (E), 1970)

In an I-2 district, no structure shall exceed a height of eighty-five feet, except that within one hundred feet of a residential district no structure shall exceed forty feet in height.

(Ord. 553 § 2-302 (F), 1970)

In an I-2 district, the following conditions and limitations shall apply:

A.    All business, service, repair, processing, storage or merchandise display on property abutting or facing a lot in a residential district shall be conducted wholly within an enclosed building unless screened from the residential zone by a sight-obscuring fence permanently maintained at least six feet in height.

B.    Openings to structures on sides adjacent to or across a street from a residential district shall be prohibited if such access or openings will cause glare, excessive noise, or other adverse effects on residential properties.

C.    Motor vehicle, boat or trailer rental, sales or storage lots shall be drained and surfaced with crushed rock or pavement except in those portions of the lot maintained as landscape areas.

D.    Yards abutting or across a street from a residential district shall be continuously maintained in lawn or other landscaping unless screened from the residential district as provided in subsection A of this section.

E.    Access points from a public road to properties in an I-2 district shall be so located as to minimize traffic congestion and to avoid directing traffic onto local access streets of a primarily residential character.

F.    All materials including wastes shall be stored and all grounds shall be maintained in a manner which will not attract or aid the propagation of insects or rodents or create a health hazard.

G.    The emission of noise, odor, dust or vibration in such quantities as to be readily detectable at any point beyond the property line of the use creating the odors is prohibited.

(Ord. 553 § 2-302 (H), 1970)

In an I-2 district, identification and advertising signs accessory to the allowed use are permitted, except that none shall be located within one hundred feet of a lot in a residential district, public park or a school unless it meets the requirements for a business sign in a C-2 district.

(Ord. 553 § 2-302 (C), 1970)