§ 152.045 ADDITION AND ENLARGEMENTS.

   (A)   A nonconforming building may be enlarged or extended only if the entire building is thereafter devoted to a conforming use, and is made to conform to all the regulations of the district in which it is located.

   (B)   No building partially occupied by a nonconforming use shall be altered in such a way as to permit the enlargement or expansion of the space occupied by such nonconforming use.

   (C)   No conforming use may be enlarged or extended in such a way as to occupy any required usable open space or any land beyond the boundaries of the zoning lot as it existed on August 4, 1986, or to displace any conforming use in the same building or on the same parcel.

   (D)   A building or structure which is nonconforming with respect to yards, floor area ratio, or any other element of bulk regulated herein shall not be altered or expanded in any manner which would increase the degree or extent of its nonconformity with respect to the bulk regulations for the district in which it is located.

(Ord. passed 8-4-86)

§ 152.046 EXEMPTED BUILDINGS, STRUCTURES AND USES.

   Wherever a lawfully existed building or other structure otherwise conforms to the use regulations herein but is nonconforming only in the particular manner hereinafter specified, the building and use thereof shall be exempt from the requirements of § 152.043 herein.

   (A)   In any residential district where a dwelling is nonconforming only as to the number of dwelling units it contains, provided no such building shall be altered in any way so as to increase the number of dwelling units therein.

   (B)   In any business or manufacturing district, where the use is less distant from a residential district than that specified in the regulations for the district in which it is located.

   (C)   In any district, where an established building, structure or use is nonconforming with respect to the standards prescribed herein for any of the following:

      (1)   Floor area ratio;

      (2)   Yards-front, side, rear or transitional;

      (3)   Off-street parking or loading;

      (4)   Building height; and

      (5)   Gross floor area.

(Ord. passed 8-4-86)

§ 152.047 CONVERSION TO SPECIAL USE.

   Any nonconforming use may be made a special use by the granting of a special use permit, as authorized in § 152.140 provided that the nonconforming use is permitted as a special use in the district in which it is located.

(Ord. passed 8-4-86)

ZONING DISTRICTS AND ZONING DISTRICTS MAP

§ 152.060 DISTRICTS.

   For the purpose and provisions of this chapter, the city is hereby organized into eight districts:

   (A)   R-1 One-Family Residence District;

   (B)   R-2 General Residence District;

   (C)   R-2-1 Special Residence District;

   (D)   B-1 Retail Business District;

   (E)   B-2 Limited Service Business District;

   (F)   B-3 General Service District;

   (G)   M-1 Manufacturing District;

   (H)   M-2 Heavy Industrial District.

(Ord. passed 8-4-86)

§ 152.061 MAPS.

   The boundaries of the zoning districts designated above are established as shown on the maps entitled “Official Zoning Map of Polo, Illinois,” dated August 4, 1986, which map is referred to herein and made a part hereof by reference and shall have the same force and effect as if the zoning map together with all its notations, references and other information shown thereon, were fully set forth and described herein.

(Ord. passed 8-4-86)

§ 152.062 DISTRICT BOUNDARIES.

   When uncertainty exists with respect to the boundaries of the various districts as shown on the zoning map, the following rules shall apply:

   (A)   District boundary lines are either the centerlines of railroads, highways, streets, alleys or easements, or the boundary lines of sections, quarter-sections, divisions of sections, tracts or lots of such lines extended otherwise indicated.

   (B)   In areas not subdivided into lots and blocks, wherever a district is indicated as a strip adjacent to and paralleling a street or highway, the depth of such strips shall be in accordance with the dimensions shown on the map from section, quarter-section or division lines, of center lines of streets, highways or railroad right-of-way unless otherwise indicated.

   (C)   Where a lot held in one ownership and of record on August 4, 1986, is divided by a district boundary line, the entire lot shall be construed to be within the less restricted district, provided that this construction shall not apply if it increases the less restricted frontage of the lot by more than 25 feet.

(Ord. passed 8-4-86)