7-1.1.

Purpose. The R-1 district is established to encourage low density residential uses; to provide areas well suited for large lots; and to prohibit any uses which are incompatible. The principal use of land is for single-family dwellings on larger lots.

7-1.2.

Permitted and special uses. Uses shall be consistent with Chapter 6, Use Regulations, of this Ordinance.

7-1.3.

Minimum lot sizes.

(a)

Every one-family detached dwelling hereafter erected or structurally altered shall be located on a lot having an area of not less than 6,000 square feet, and a width at the established building line of not less than 60 feet.

(b)

All nonresidential principal uses of buildings as permitted herein shall be located on a tract of land having an area of not less than 15,000 square feet, with a minimum width of 100 feet at the established building line and shall be served by an approved system of water and sanitary sewer facilities.

(c)

Minimum lot sizes for special uses shall be prescribed and conditions stipulated at the time a special use permit is authorized, but in no case shall any such lot have less area than 15,000 square feet, with a minimum width of 100 feet at the building line, except residential lots in planned residential developments, and it shall be served by an approved system of water and sanitary sewer facilities.

7-1.4.

Yard areas. No building shall be erected or enlarged unless the following yards are provided and maintained in connection with such building, structure or enlargement:

(a)

Front yard. A front yard of not less than 25 feet shall be provided and maintained.

(b)

Side yards. Each lot shall have two side yards, the combined width of which shall be not less than 20 percent of the width of the lot; provided, however, that neither side yard shall have a width of less than ten percent of the width of the lot, or three feet, whichever is greater.

(c)

Corner lots. On corner lots the side yard adjacent to the street shall have a width of not less than 25 percent of the width of the lot, but need not exceed 25 feet, and in the case of a reversed corner lot there shall be maintained a setback from the side street of not less than 50 percent of the front yard required on the lots in the rear of such corner lots. No accessory building on said reversed corner lot shall project beyond the front yard required on the adjacent lot to the rear, nor be located nearer than three feet to the side lot line of said adjacent lot.

(d)

Lots with nonresidential use. On lots on which a nonresidential use is erected or enlarged, there shall be a side yard of not less than ten feet on each side of the main structure and a combined total of side yards of not less than 25 feet.

(e)

Rear yard. A rear yard of not less than 25 feet shall be provided and maintained.

7-1.5.

Lot coverage. Not more than 35 percent of the lot area may be occupied by buildings and structures including accessory buildings.

7-1.6.

Maximum floor area ratio. The maximum floor area ratio shall not exceed 0.50.

7-1.7.

Dwelling standards.

(a)

Every one-story single-family dwelling hereafter erected in any R-1 one-family residence district shall have a total ground floor area of not less than 1,000 square feet, measured from the outside of the exterior walls, including utility rooms, but excluding cellars, basements, open porches, breezeways, garages and other spaces that are not used frequently or during extended periods for living, eating or sleeping purposes.

(b)

Every single-family dwelling of more than one story hereafter erected in any R-1 one-family residence district shall have a total floor area, measured from the outside of the exterior walls of not less than 1,500 square feet, including utility rooms but excluding cellars, basements, open porches, garages, breezeways and other spaces that are not used frequently or during extended periods for living, eating or sleeping purposes, except that enclosed space intended for habitable rooms which are to be completed within a reasonable time may be considered in computing such floor areas.

7-1.8.

Off-street parking and loading facilities. Parking and loading facilities shall be provided as required or permitted in chapter 10, Parking and loading, of this Ordinance.

(Ord. No. 2018-6, §§ 1, 2, 2-21-18)

7-2.1.

Purpose. The R-2 district is established to provide areas of a higher density than the R-l single-family zone, but of a similar urban character where community water and sewer facilities are available. These are transition areas between the lower density residential areas and the older residential areas where a mixture of one-, two- and multiple-family dwellings are found.

7-2.2.

Permitted and special uses. Uses shall be consistent with Chapter 6, Use Regulations, of this Ordinance.

7-2.3.

Minimum lot sizes.

(a)

Every one-family detached dwelling hereafter erected shall be located on a lot having an area of not less than 6,000 square feet and a width at the established building line of not less than 50 feet.

(b)

All nonresidential principal uses as permitted in this district shall be located on a tract of land having an area of not less than 10,000 square feet, with a minimum width at the established building line of not less than 80 feet.

(c)

Minimum lot sizes for special uses shall be prescribed and conditions stipulated at the time a special use permit is authorized, but in no case shall any such lot have an area of less than 10,000 square feet with a minimum width at the established building line of 80 feet.

7-2.4.

Yard areas. No building shall be erected or enlarged unless the following yards are provided and maintained in connection with such building, structure or enlargement:

(a)

Front yard. A front yard of not less than 25 feet.

(b)

Side yards. Each lot shall have two side yards, the combined width of which shall be not less than 20 percent of the width of the lot; provided, however, that neither side yard shall have a width of less than ten percent of the width of the lot, or three feet, whichever is greater.

(1)

On corner lots the side yard adjacent to the street shall have a width of not less than 25 percent of the width of the lot, but need not exceed 25 feet.

(2)

On reversed corner lot there shall be maintained a setback from the side street of not less than 50 percent of the front yard required on the lots in the rear of such corner lots. No accessory building on said reversed corner lot shall project beyond the front yard required on the adjacent lot to the rear, nor be located nearer than three feet to the side lot line of said adjacent lot.

(3)

On lots upon which a nonresidential use is erected or enlarged, there shall be a side yard of not less than ten feet on each side of the main structure and a combined total of side yards of not less than 25 feet.

(c)

Rear yard. A rear yard of not less than 25 feet.

7-2.5.

Lot coverage. Not more than 40 percent of the lot area may be occupied by buildings and structures, including accessory buildings.

7-2.6.

Maximum floor area ratio. The maximum floor area ratio shall not exceed 0.50.

7-2.7.

Dwelling standards.

(a)

Every one-story dwelling hereafter erected in any R-2 one-family district shall have a total ground floor area of not less than 800 square feet, measured from the outside of the exterior walls, including utility rooms, but excluding cellars, basements, open porches, breezeways, garages and other spaces that are not used frequently or during extended periods for living, eating or sleeping purposes.

(b)

Every dwelling of more than one story hereafter erected in any R-2 one-family district shall have a total floor area, measured from the outside of the exterior walls, of not less than 1,200 square feet, including utility rooms, but excluding cellars, basements, open porches, breezeways, garages and other spaces that are not used frequently or during extended periods for living, eating and sleeping purposes, except that enclosed space intended for habitable rooms which are to be completed within a reasonable time may be considered in computing such floor areas.

7-2.8.

Off-street parking and loading facilities. Parking and loading facilities shall be provided as required or permitted in the section on off-street parking and loading (chapter 10, herein).

(Ord. No. 2018-6, §§ 1, 2, 2-21-18)

7-2F.1.

Purpose. The R-2F district is established to provide areas of a higher density than the R-1 single-family but of a similar low density residential character. These are transitional areas between medium density and low-density residential areas, where a mixture of one- and two-family dwellings are found.

7-2F.2.

Permitted and special uses. Uses shall be consistent with Chapter 6, Use Regulations, of this Ordinance.

[7.2F.3.

Reserved.]

7-2F.4.

Lot sizes.

(a)

Every one-family detached dwelling hereafter erected shall comply with the lot area requirements of the R-2 one-family dwellings.

(b)

Every two-family dwelling or row-dwelling hereafter erected shall be on a zoning lot having a minimum area of not less than 6,000 square feet and a minimum width of not less than 60 feet at the established building line, provided that where a lot has less width than herein required and was recorded under separate ownership from adjoining lots prior to the date of adoption of this Ordinance, such lot may be occupied by a two-family or row-dwelling, but in no case shall the lot area per dwelling unit be less than 2,000 square feet.

(c)

All nonresidential principal uses as permitted in this district shall be located on a tract of land having an area of not less than 10,000 square feet, with a minimum width at the established building line of not less than 80 feet, provided public or community water supply and sanitary sewer facilities are available.

(d)

Minimum lot sizes for special uses shall be prescribed at the time a special use permit is authorized, but in no case shall any such lot be less than 10,000 square feet in area, except for residential lots in a planned residential development, and it shall be served by an approved system of water and sanitary sewer facilities.

7-2F.5.

Yard areas. No building shall be erected or enlarged unless the following yards are provided and maintained:

(a)

Front yard. A front yard of not less than 25 feet.

(b)

Side yards. Each lot shall have two side yards, the combined width of which shall be not less than 20 percent of the width of the lot; provided, however, that neither side yard shall have a width of less than five percent of the width of the lot, or three (3) feet, whichever is greater.

(1)

On corner lots, the side yard adjacent to the street shall have a width of not less than 25 percent of the width of the lot, but need not exceed 25 feet.

(2)

On a reversed corner lot, there shall be maintained a setback from the side street of not less than 50 percent of the front yard required on the lots in the rear of such corner lots. No accessory building on said reversed corner lot shall project beyond the front yard required on the adjacent lot to the rear, nor be located nearer than three (3) feet to the side lot line of said adjacent lot.

(c)

Rear yard. A rear yard of not less than 25 feet.

7-2F.6.

Lot coverage. Not more than 40 percent of the lot area may be occupied by buildings and structures, including accessory buildings.

7-2F.7.

Maximum floor area ratio. The maximum floor area ratio shall not exceed 0.7.

7-2F.8

Dwelling standards.

(a)

One-family dwellings erected in any R-2F two-family residential district shall conform to the same floor areas as required for one-family dwellings in the R-2 one-family residence district.

(b)

Two-family dwelling structure shall have a total floor area of not less than 600 square feet for each dwelling unit, measured from the outside walls, including utility rooms but excluding all other areas not used for living or sleeping purposes.

7-2F.9.

Off-street parking and loading. Parking and loading facilities shall be provided as required or permitted in chapter 10, Parking and loading facilities.

(Ord. No. 2018-6, §§ 1, 2, 2-21-18)

7-3.1.

Purpose. The R-3 district is established as a general residence district to encourage and allow the redevelopment of predominantly older sections of the city.

7-3.2.

Permitted and special uses. Uses shall be consistent with Chapter 6, Use Regulations, of this Ordinance.

[7-3.3.

Reserved.]

[7-3.4.

Reserved.]

7-3.5.

Lot sizes.

(a)

Every one-family detached dwelling hereafter erected shall comply with the lot area requirements of the R-2 one-family district for one-family dwellings.

(b)

Every two-family or three-family dwelling hereafter erected shall be on a zoning lot having a minimum area of not less than 6,000 square feet and a minimum width of not less than 60 feet at the established building line, provided that where a lot has less width than herein required and was recorded under separate ownership from adjoining lots prior to the date of adoption of this Ordinance, such lot may be occupied by a two-family or three-family dwelling but in no case shall the lot area per dwelling unit be less than 2,000 square feet.

(c)

All nonresidential principal uses as permitted in this district shall be located on a tract of land having an area of not less than 10,000 square feet, with a minimum width at the established building line of not less than 80 feet, provided public or community water supply and sanitary facilities are available.

(d)

Minimum lot sizes for special uses shall be prescribed at the time a special use permit is authorized, but in no case shall any such lot be less than 10,000 square feet in area, except for residential lots in a planned residential development, and it shall be served by an approved system of water and sanitary sewer facilities.

7-3.6.

Yard areas. No building shall be erected or enlarged unless the following yards are provided and maintained:

(a)

Front yard. A front yard of not less than 25 feet.

(b)

Side yards. Each lot shall have two side yards, the combined width of which shall be not less than 20 percent of the width of the lot; provided, however, that neither side yard shall have a width of less than five (5) percent of the width of the lot, or three feet, whichever is greater.

(1)

On corner lots the side yard adjacent to the street shall have a width of not less than 25 percent of the width of the lot, but need not exceed 25 feet.

(2)

On a reversed corner lot there shall be maintained a setback from the side street of not less than 50 percent of the front yard required on the lots in the rear of such corner lots. No accessory building on said reversed corner lot shall project beyond the front yard required on the adjacent lot to the rear, nor be located nearer than three feet to the side lot line of said adjacent lot.

(c)

Rear yard. A rear yard of not less than 25 feet.

7-3.7.

Lot coverage. Not more than 40 percent of the lot area may be occupied by buildings and structures, including accessory buildings.

7-3.8.

Maximum floor area ratio. The maximum floor area ratio shall not exceed 0.7.

7-3.9.

Dwelling standards.

(a)

One-family dwellings erected in any R-3 general residence district shall conform to the same floor areas as required for one-family dwellings in the R-2 one-family residence district.

(b)

Two-family or three-family dwelling structures shall have a total floor area of not less than 700 square feet for each dwelling unit, measured from the outside walls, including utility rooms but excluding all other areas not used for living or sleeping purposes.

7-3.10.

Off-street parking and loading. Parking and loading facilities shall be provided as required or permitted in chapter 10, Parking and loading facilities.

(Ord. No. 2018-6, §§ 1, 2, 2-21-18)

7-4.1.

Purpose. The R-4 district is established as a multiple family residence district to encourage new development; to allow the redevelopment of predominantly older sections of the city while preserving the residential character.

7-4.2.

Permitted and special uses. Uses shall be consistent with Chapter 6, Use Regulations, of this Ordinance.

[7-4.3.

Reserved.]

[7-4.4.

Reserved.]

7-4.5.

Lot area per dwelling.

(a)

Every one-family detached dwelling hereafter shall be located on a lot having an area of not less than 6,000 square feet and a width at the established building line of not less than 50 feet.

(b)

All two-family and three-family dwellings hereafter erected or structurally altered shall be located on a lot having an area of not less than 6,000 square feet and a width at the established building line of not less than 60 feet.

(c)

All structures or buildings containing four or more dwelling units shall have a minimum area per dwelling unit as follows:

Apartments with three or more bedrooms: 1,000 square feet

Apartments with two bedrooms: 850 square feet

Apartments with one bedroom and efficiency dwelling units: 700 square feet

(d)

All nonresidential principal uses permitted in this district shall be located on a lot having an area of not less than 8,000 square feet and a width of not less than 75 feet at the building line.

(e)

Minimum lot sizes for special uses shall be the same as prescribed in the R-general residence district.

7-4.6.

Yard areas. No buildings shall be erected or enlarged unless the following yards are provided and maintained for each building:

(a)

Front yard. For each building, a front yard shall be provided of not less than 25 feet.

For buildings exceeding 25 feet in height, the minimum front yard determined in the paragraph above shall be increased by one foot for each two feet or fraction thereof by which the building exceeds 25 feet, but in no case shall a front yard of more than 40 feet be required. Required front yard shall be unobstructed from ground level to sky, except as otherwise provided in the chapter on general provisions (chapter 3 herein).

(b)

Side yards. Side yards shall be provided as follows:

(1)

For one-family detached dwellings, the same regulations shall apply as in the R-2 one-family residence district.

(2)

For two- and three-family dwellings, the side yard on each side of the main building shall be the same as required for two-family dwellings in the R-3 district.

(3)

For multiple-family dwellings, or interior lots, there shall be a side yard on each side of a principal building of not less than ten percent of the lot width, but need not exceed eight feet for all multiple-family dwellings of not more than two stories in height. For each additional story added above the two stories, the side yard on each side of the main building shall be increased two feet in width. On corner lots the side yard on the intersecting street side shall be not less than ten feet, except in the case of a reversed corner lot, where there shall be a side yard on the street side of the corner lot of not less than 50 percent of the front yard required in the lots in the rear of such corner lot. No accessory building on said reversed corner lot shall project beyond the front yard line required on the adjacent lot to the rear, nor be located nearer than three feet to the side lot line of such adjacent lot.

(4)

For one-family dwellings the same regulations shall govern side yards of multiple-family dwellings except that there may be not less than 20 feet between adjacent row buildings.

(5)

For nonresidential buildings on a lot improved with a nonresidential building, there shall be a side yard of not less than 12 feet on each side of the main structure and a combined total of side yards of not less than 30 feet.

(c)

Rear yard. Rear yards shall be provided as follows:

(1)

For one- and two-family dwellings, a rear yard of not less than 25 feet.

(2)

For row dwellings, a rear yard of not less than 30 feet.

(3)

For multiple-family dwellings and apartments, a rear yard of not less than 40 feet.

(4)

For nonresidential buildings, a rear yard of not less than 40 feet.

7-4.7.

Maximum floor area ratio. The maximum floor area ratio shall not exceed 1.0.

7-4.8

Dwelling standards.

(a)

Every one story, one-family dwelling hereafter erected in any R-4 general residence district shall have a total ground floor area of not less than 1,000 square feet, measured from the outside of the exterior walls, including utility rooms, but excluding cellars, basements, open porches, breezeways, garages and other spaces that are not used frequently or during extended periods for living, eating or sleeping purposes. Every one-family dwelling of more than one story hereafter erected in any R-4 general residence district shall have a total floor area, measured from the outside of the exterior walls, of not less than 1,500 square feet, including utility rooms, but excluding cellars, basements, open porches, breezeways, garages and other spaces that are not used frequently or during extended periods for living, eating, or sleeping purposes except that enclosed space intended for habitable rooms which are to be completed within a reasonable time may be considered in computing such floor areas.

(b)

Two- or three-family dwelling structures shall have a total floor area of not less than 700 square feet for each dwelling unit, measured from the outside walls, including utility rooms, but excluding all other areas not used for living or sleeping purposes.

7-4.9.

Off-street parking and loading. Parking and loading shall be provided as required or permitted in chapter 10, Parking and loading, of this Ordinance.

(Ord. No. 2018-6, §§ 1, 2, 2-21-18)

7-5.1.

Purpose. The purpose of the heritage preservation overlay district is to identify those structures, sites, and neighborhoods in the city that have historic, architectural and aesthetic significance and to preserve and maintain them for current and future residents by encouraging renovation, rehabilitation and repair that is consistent with their historic, architectural and aesthetic character. Furthermore, it is the purpose of this district to strengthen the economy of the city by stabilizing and improving property values in historic areas, and to encourage new or rehabilitated buildings and developments that will be harmonious with existing historic structures, sites and neighborhoods.

7-5.2.

Boundaries. The heritage preservation overlay district includes the area bounded by: 14 ^th Street on the North; Chicago Road on the East; EJ&E Railroad Tracks on the South; and Thorne Creek on the West.

7-5.3.

Permitted and special uses. Uses shall be consistent with Chapter 6, Use Regulations, of this Ordinance.

[7-5.4.

Reserved.]

7.5-5.

Lot area per dwelling. As required for a one-family, detached dwelling in the underlying district.

7.5-6.

Yard areas. As required for a one-family, detached dwelling in the underlying district.

7-5.7.

Maximum floor area ratio. As required by the R-1, one-family residence district.

7-5.8.

Dwelling standards. As required by the R-1, one-family residence district.

7-5.9.

Off-street parking and loading. As required for the underlying district.

(Ord. No. 2018-6, §§ 1, 2, 2-21-18)

7-6.1.

Purpose. To provide for a wide range of retail stores and personal service establishments which are desirable to provide for day-to-day and occasional shopping needs.

7-6.2.

Permitted and special uses. Uses shall be consistent with Chapter 6, Use Regulations, of this Ordinance.

[7-6.3.

Reserved.]

7-6.4.

Conditions of use. All uses permitted in this district, except residence district uses, shall be retail establishments dealing directly with consumers and shall be subject to the following conditions:

(a)

The sale of foodstuffs or articles intended for human consumption shall be conducted wholly within an enclosed building.

(b)

There shall be no manufacture, processing, or treatment of products other than those which are clearly incidental and essential to the retail business conducted on the same premises.

(c)

Such uses, operational or product shall not be objectionable due to odor, dust, smoke, noise, vibration or other similar causes.

(d)

Any exterior sign displayed shall pertain only to a use conducted within the building.

7-6.5.

Transitional yards. Where a B-1 district adjoins a residential district, transitional yards shall be provided in accordance with the following regulations:

(a)

When lots in a B-1 district front on the street and at least 80 percent of the frontage directly across the street between two consecutive intersecting streets is in a residential district, the front yard regulations for the residential district shall apply to the said lots in the business district.

(b)

Where a side or rear yard in the B-1 district abuts the side or rear yard in a residential district, the minimum side yard and rear yard requirement for the abutting side yard within the B-1 district shall be 20 feet.

7-6.6.

Maximum floor area ratio and corresponding maximum lot coverage. The maximum floor area ratio and maximum lot coverage, including accessory buildings, shall be permitted in accordance with the following table:

7-6.7.

Signs. Signs shall be as permitted or required in chapter 11, Signs.

(Ord. No. 2018-6, §§ 1, 2, 2-21-18)

7-7.1.

Purpose. To provide additional business and commercial uses, limited service uses not permitted in the B-1 district and to provide for a greater bulk and intensity of use of land and buildings.

7-7.2.

Permitted and special uses. Uses shall be consistent with Chapter 6, Use Regulations, of this Ordinance.

[7-7.3.

Reserved.]

7-7.4.

Conditions of use. All uses permitted in this district except residential district uses shall be retail establishments only and shall be subject to the following conditions:

(a)

There shall be no manufacture, processing or treatment of products other than those which are clearly incidental and essential to the retail business conducted on the same premises.

(b)

Such uses, operations or products shall not be objectionable due to odor, dust, smoke, noise, or vibrations or other similar causes.

7-7.5.

Transitional yards. All yard regulations shall be the same as required or permitted in the B-1 business district.

7-7.6.

Maximum floor area ratio and corresponding maximum lot coverage. The maximum floor area ratio and the maximum lot coverage, including accessory buildings, shall be permitted in accordance with the following table:

7-7.7.

Signs. Signs shall be as permitted or required in chapter 11.

(Ord. No. 2018-6, §§ 1, 2, 2-21-18)

7-8.1.

Purpose. To accommodate higher density commercial uses, offering a diversity of retail, service, office, governmental, and/or complementary uses.

7-8.2.

Permitted and special uses. Uses shall be consistent with Chapter 6, Use Regulations, of this Ordinance.

[7-8.3.

Reserved.]

7-8.4.

Transitional yards. All yard regulations shall be the same as required or permitted in the B-1 retail business district.

7-8.5.

Maximum floor area ratio and lot coverage. The floor area shall not exceed 2.5, and not more than 80 percent of the zoning lot may be covered by buildings or structures.

7-8.6.

Signs. Signs shall be as permitted or required in chapter 11 of this Ordinance.

(Ord. No. 2018-6, §§ 1, 2, 2-21-18)

7-9.1.

Purpose. To accommodate office uses, office sales uses, and certain basic services.

7-9.2.

Permitted and special uses. Uses shall be consistent with Chapter 6, Use Regulations, of this Ordinance.

[7-9.3.

Reserved.]

7-9.4.

Conditions of use. In the B-4 district there shall be no storage, wholesale, retail, shipping or display of goods or merchandise on the premises except for:

(a)

Incidental and minor storage and retail which is clearly accessory to and customarily associated with the operation of a professional office, such as the dispensing of medicines by physicians on an individual patient basis;

(b)

Displays limited to floor samples in a business office;

(c)

The exhibition of individual art or craft products in an art gallery;

(d)

Displays of materials or work normally connected with the operation of a library, school, church, photography studio, or other similar use. However, in the B-4 district there shall be no window display of goods or merchandise nor any other display, including floor samples, which is readily visible from the public way or from adjoining properties;

(e)

All business and professional activities shall take place within enclosed buildings; and

(f)

Residential living units, including lodging rooms, are not permitted below the second floor except in a building allowed as a special use.

7-9.5.

Transitional yards. The same regulations shall apply as required or permitted in the B-1 business district.

7-9.6.

Maximum floor area ratio and corresponding maximum lot coverage. The maximum floor area ratio and the maximum lot coverage, including accessory buildings, shall be permitted in accordance with the following table:

7-9.7.

Signs. Signs shall be as permitted or required in this Ordinance.

(Ord. No. 2018-6, §§ 1, 2, 2-21-18)

7-10.1.

Permitted and special uses. Uses shall be consistent with Chapter 6, Use Regulations, of this Ordinance.

[7-10.2.

Reserved.]

7-10.3.

Conditions of use. All permitted uses are subject to the following conditions:

(a)

Any production, processing, cleaning, servicing, testing, repair or storage of goods, materials or products shall conform with the standards set forth herein.

(b)

All business, production, servicing and processing shall take place within completely enclosed buildings, unless otherwise specified. Within 150 feet of a residence district, all storage shall be in completely enclosed buildings or structures and storage located elsewhere in this district may be open to the sky but shall be enclosed by solid walls or fences (including solid doors or gates thereto) at least eight feet high, but in no case lower in height than the enclosed storage and suitably landscaped. However, open off-street loading facilities and open off-street parking of motor vehicles under 1½ tons capacity may be unenclosed throughout the district, except for such screening of parking and loading facilities as may be required.

(c)

Uses established on the effective date of this Ordinance and by its provisions are rendered nonconforming shall be permitted to continue, subject to the regulations of section 4.

7-10.4.

Yard areas. No building or structure shall hereafter be erected or structurally altered unless the following yards are provided and maintained in connection with such building.

(a)

Front yard. On every zoning lot a front yard of not less than 30 feet in depth shall be provided.

(b)

Side yards. On every zoning lot a side yard shall be provided along each side lot line. Each side yard shall be not less in width than ten percent of the lot width or five feet, whichever is greater, but need not exceed 20 feet in width.

7-10.5.

Maximum floor area ratio. The maximum floor area ratio shall not exceed 1.0.

(Ord. No. 2018-6, §§ 1, 2, 2-21-18)

7-11.1.

Permitted and special uses. Uses shall be consistent with Chapter 6, Use Regulations, of this Ordinance.

[7-11.2.

Reserved.]

7-11.3.

Conditions of use. All permitted uses are subject to the following conditions:

(a)

All production, processing, cleaning, servicing, testing, repair or storage of goods, materials or products shall conform with the performance standards set forth hereinafter.

(b)

Within 150 feet of a residence district, all business, production, servicing, processing and storage shall take place or be within completely enclosed buildings, except that storage or materials may be open to the sky provided the storage area is enclosed with a solid wall or fence at least eight feet high. However, within such 150 feet of a residence district, off-street loading facilities and off-street parking of motor vehicles under 1½ tons capacity may be unenclosed, except for such screening of parking and loading facilities as may be required under the provisions of chapter 10.

7-11.4.

Yard areas. All yard areas shall be the same as required in the M-1 limited manufacturing district.

7-11.5.

Maximum floor area ratio. The maximum floor area ratio shall not exceed 3.0.

(Ord. No. 2018-6, §§ 1, 2, 2-21-18)

7-12.1.

Permitted and special uses. Uses shall be consistent with Chapter 6, Use Regulations, of this Ordinance.

7-12.2.

Reserved.

7-12.3.

Conditions of use. Permitted uses are subject to the following conditions:

(a)

All production, processing, cleaning, servicing, testing, repair or storage of goods, materials or products shall conform with the performance standards set forth in section 7-13.

(b)

Within 150 feet of a residence district, all business, production, servicing, processing and storage shall take place or be within completely enclosed buildings except that storage of materials may be open to the sky provided the storage area is enclosed with a solid wall or fence at least eight feet high. Off-street parking and off-street loading facilities may be unenclosed except for such screening and improvements as may be required under the provisions of chapter 10.

7-12.4.

Yard areas. All yard areas shall be the same as required in the M-1 limited manufacturing district.

7-12.5.

Maximum floor area ratio. The maximum floor area ratio shall not exceed 3.0.

(Ord. No. 2018-6, §§ 1, 2, 2-21-18)

Any use established in a manufacturing district after the effective date of this comprehensive amendment shall be so operated as to comply with the performance standards set forth hereinafter for the district in which such use shall be located. No use lawfully established on the effective date of this comprehensive amendment shall be so altered or modified as to conflict with, or further conflict with, the performance standards established for the district in which such use is located.

7-13.1.

Noise. Noise shall be measured at any adjacent lot line and/or district boundary, as indicated in Table 1. At the specified points of measurement, the sound pressure level of any activity or operation (except those not under the direct control of the industrial use, such as transportation facilities) shall not exceed the values tabulated in Tables 2 and 3 between the hours of 7:00 a.m. and 7:00 p.m. The instruments used for these measurements shall conform to all current American National Standards Institute specifications. Impact noises shall be measured by means of an impact noise analyzer. Impact noises are those whose peak values are more than three dB higher on the fast response than the R.M.S. values indicated on the sound level meter.

7-13.2.

Vibration. Vibration shall be measured at any adjacent lot line and/or district boundary as indicated in Table 4. At the specified points of measurements, the vibration shall not exceed the limits listed in Table 5. The instrument used for these measurements shall be a three-component recording system.

Between the hours of 7:00 p.m. and 7:00 a.m. the permissible sound levels across residential district boundaries shall be reduced by five dB in each octave band, or in the overall band for impact noises.

Measurement of the sound levels may also be made using an A-weighted scale sound level meter. The levels in Table 2 shall be considered to have been met if the A-weighted levels are not greater than the following:

Particle velocity as specified below may be measured directly, or if computed on the basis of displacement and frequency, measurements shall be computed from the formula 6.28 FD, where F is the frequency of the vibration in cycles per second and D is the single amplitude displacement of the vibration in inches.

The maximum permissible particle velocity of the ground vibration specified above shall be:

The maximum particle velocity shall be the vector sum of three simultaneous mutually perpendicular components recorded.

For the purpose of this Ordinance, steady state vibrations are vibrations which are continuous, or vibrations in discrete impulses more frequent than 100 per minute. Discrete impulses which do not exceed 100 per minute shall be considered impact vibrations.

7-13.3.

Smoke.

7-13.3-1. For the purpose of grading the density or equivalent capacity of smoke, the Ringelmann Chart described in the U.S. Bureau of Mines Information Circular 8333 shall be employed. The emission of smoke or particulate matter of a density or equivalent greater than No. 2 on the Ringelmann Chart is prohibited at all times except as otherwise provided hereinafter.

7-13.3-2. Dust and other types of air pollution borne by the wind from such sources as storage areas, yards, roads, and the like within lot boundaries shall be kept to a minimum by appropriate landscaping, paving, oiling, fencing, wetting, or other acceptable means.

7-13.3-3. The open burning of refuse, paint, oil, debris and any other combustible material is prohibited in all industrial districts.

7-13.3-4. Particulate matter loadings in pounds per acre described below shall be determined by selecting a continuous four hour period which will result in the highest average emission rate.

7-13.3-5. M-1 manufacturing district. The emission of smoke having a density or equivalent opacity in excess of Ringelmann No. 0 is prohibited. However, for two minutes in any four-hour period, smoke up to and including Ringelmann No. 2 shall be permitted.

The rate of emission of particulate matter from all vents and stacks within the boundaries of any lot shall not exceed 0.2 pounds per acre of lot area per hour.

7-13.3-6. M-2 manufacturing district. The emission of smoke having a density or equivalent opacity in excess of Ringelmann No. 1 is prohibited. However, for two minutes in any sixty-minute period, smoke, up to and including Ringelmann No. 2 shall be permitted.

The rate of emission of particulate matter from all vents and stacks within the boundaries of any lot shall not exceed one pound per acre of lot area per hour.

7-13.3-7. M-3 manufacturing district. The emission of smoke having a density or equivalent opacity in excess of Ringelmann No. 1 is prohibited. However, for three minutes in any sixty-minute period, smoke up to and including Ringelmann No. 3 shall be permitted.

The rate of emission of particulate matter from all stacks and vents within the boundaries of any lot shall not exceed eight pounds per acre of lot area per hour.

7-13.4.

Odor. The release of materials capable of becoming odorous either by bacterial decomposition or chemical reaction shall meet the standards of the district in which the odor is created.

Odor thresholds shall be determined in accordance with ASTM D1391-57, "Standard Method for Measurement of Odor in Atmospheres (Dilution Method)" or its equivalent.

7-13.4-1. In the M-1 district, odorous materials released from any operation or activity shall not exceed the odor threshold concentration beyond the lot line, measured either at ground level or habitable elevation.

7-13.4-2. In the M-2 district, odorous materials released from any operation or activity shall not exceed the odor threshold concentration beyond the district boundary line, measured either at ground level or habitable elevation.

7-13.4-3. In the M-3 district, odorous materials released from any operation or activity shall not exceed the odor threshold concentration at or beyond the district boundary line in a residential district, measured either at ground level or habitable elevation.

7-13.5.

Toxic matter. The measurement of toxic matter shall be at ground level or habitable elevation and shall be the average of any twenty-four-hour sampling period. The release of any airborne toxic matter shall not exceed the fractional quantities permitted of those toxic materials currently listed in threshold limit values adopted by the American Conference of Governmental Industrial Hygienists. If a toxic substance is not contained in this listing, the applicant shall satisfy the City of Chicago Heights that the proposed levels will be safe to the general population.

7-13.5-1. In the M-1 district, the release of airborne toxic matter shall not exceed 2.5 percent of the threshold limit value across lot lines.

7-13.5-2. In the M-2 district, the release of airborne toxic matter shall not exceed 2.5 percent of the threshold limit value across district boundary lines.

7-13.5-3. In the M-3 district, the release of airborne toxic matter shall not exceed 2.5 percent of the threshold limit value beyond the district boundary line.

7-13.6.

Fire and explosive hazards.

7-13.6-1. Detonable materials. Activities involving the storage, utilization or manufacture of materials or products which decompose by detonation shall be in accordance with the regulations of each manufacturing district. Such materials shall include, but are not limited to; all primary explosives such as lead azide, lead styphnate, fulminates and tetracene; all high explosives such as TNT, RDX, HMX, PETN, and pieric [picric] acid; propellants and components thereof, such as dry nitro-cellulose, black powder, boron hydrides, hydrazine and its derivatives; pyrotechnics and fireworks such as magnesium powder, and potassium nitrate; blasting explosives such as dynamite and nitroglycerine; unstable organic compounds such as acetylides, tetrazoles and ozonides; unstable oxidizing agents such as perchloric acid, perchlorates and hydrogen peroxide in concentrations greater than 35 percent; and nuclear fuels, fissionable materials and products, reactor elements such as Uranium 235 and Plutonium 239.

7-13.6-1.1. In all districts the storage, utilization or manufacture of materials or products which decompose by detonation is limited to five pounds, subject to the definition, approval, and variation of the City of Chicago Heights Fire Department, provided, however, that the fire department of the City of Chicago Heights shall be guided in such determination by reasonable standards as established by governmental and/or private agencies engaged in the field of fire protection and fire control.

7-13.6-2. Fire hazard solids.

7-13.6-2.1. In the M-1 district, the storage, utilization or manufacture of solid materials which are active to intense burning shall be conducted within spaces having fire-resistive construction of no less than two hours and protected with an automatic fire extinguishing system. Outdoor storage of such materials shall be no closer than 40 feet from lot lines.

7-13.6-2.2. In the M-2 district, the storage, utilization or manufacture of solid materials which are active to intense burning shall be conducted within spaces having fire-resistive construction of no less than two hours and protected with an automatic fire extinguishing system. Outdoor storage of such materials shall be no closer than 40 feet from lot lines.

7-13.6-2.3. In the M-3 district, the storage, utilization or manufacture of solid materials from active to intense burning shall be conducted within walls having a fire-resistance of no less than two hours or protected by an automatic fire extinguishing system, or the building wall shall be no less than 25 feet from all lot lines. The outdoor storage of such materials shall be permitted no closer than 20 feet from lot lines.

7-13.6-3. Fire hazard liquids and gases. The storage, utilization or manufacture of flammable liquids or gases which produce flammable or explosive vapors shall be permitted only in accordance with this section, exclusive of the storage of finished products in original sealed containers (55 gallons or less), which shall be unrestricted. The total storage capacity of flammable liquids and gases shall not exceed those quantities permitted in Table 6 for each of the industrial districts.

7-13.7.

Glare. In all manufacturing districts, any operation or activity producing glare shall be conducted so that direct or indirect light from the source shall not cause illumination in excess of 0.5 foot-candle when measured in a residential district.

(Ord. No. 2018-6, §§ 1, 2, 2-21-18)

It is recommended that the definitions of technical terms used in the performance standards be listed in the section in which the terms are used.

7-14.1

Noise.

7-14.1-1. American National Standards Institute, Inc. A national organization dedicated to the promulgation of authoritative standards in many technical fields.

7-14.1-2. Decibel (sometimes abbreviated dB). A unit which describes the sound pressure level or intensity of sound. A sound level meter is calibrated in decibels.

7-14.1-3. dB(A). Decibels as read on the sound level meter when set for the A-weighted filter. The A-weighted filter approximates the sensitivity of the human ear as to frequency response.

7-14.1-4. Impact noise. A short duration sound such as those from a forging hammer or punch press.

7-14.1-5. Octave band. A prescribed interval of sound frequencies which classifies sound according to its pitch.

7-14.1-6. Preferred frequency octave bands. A standardized series of octave bands prescribed by the American National Standards Institute in S1.7-1960, Preferred Frequencies for Acoustical Measurements.

7-14.1-7. Sound level meter. An electronic instrument which includes a microphone, an amplifier, and an output meter which measures noise and sound pressure levels in a specified manner. It may be used with the octave band analyzer that permits measuring the sound pressure level in discrete octave bands.

7-14.1-8. Sound pressure level. The intensity of a sound measured in decibels mathematically described as 20 times the logarithm to the base ten of the ratio of the pressure of the sound to a reference pressure of 0.0002 microbar.

7-14.2

Vibration.

7-14.2-1. Three-component recording system. A complement of instruments or seismograph which can record simultaneously vibration vectors in three mutually perpendicular directions.

7-14.2-2. Vibration. The periodic displacement or oscillation of the earth.

7-14.3.

Smoke and particulate matter.

7-14.3-1. Particulate matter. Material other than water which is suspended in or discharged into the atmosphere in a finely divided form as a liquid or solid.

7-14.3-2. Ringelmann number. The shade of smoke as it appears on the standard Ringelmann Chart published by the U.S. Bureau of Mines Information Circular No. 8333 (1967).

7-14.3-3. Smoke. Small gasborne particles other than water that form a visible plume in the air.

7-14.4.

Odor.

7-14.4-1. Odor threshold. The lowest concentration of odorous matter in air that will produce an olfactory response in a human being.

7-14.5.

Toxic matter.

7-14.5-1. Threshold limit value. The maximum allowable airborne concentration of a toxic material, as established by the American Conference of Governmental Industrial Hygienists.

7-14.5-2. Toxic matter. Materials which are capable of causing injury to living organisms by chemical means when present in relatively small amounts.

7-14.6.

Fire and explosive hazards.

7-14.6-1. Detonable materials. Materials which decompose by detonation. Such materials include explosives, unstable compounds, and fissionable matter.

7-14.6-2. Active to intense burning. A rate of combustion described by material that burns with a high degree of activity and is consumed rapidly. Examples include sawdust, powdered magnesium, pyroxylin, and other solids deemed by the fire department to have equivalent burning characteristics.

7-14.6-3. Flash point. The lowest temperature at which a flammable liquid will momentarily burn under prescribed conditions. The closed cup flash point shall be authoritative and the test shall be run in accordance with the appropriate ASTM procedure.

7-14.6-4. SCF. Standard cubic feet, which is the measure of the volume of a gas reduced to 14.73 pounds per square inch pressure absolute and 60;deg; F.

7-14.7.

Glare.

7-14.7-1. Foot candle. A unit of illumination. Technically, the illumination at all points one foot distance from a uniform point source of one candle power.

(Ord. No. 2018-6, §§ 1, 2, 2-21-18)