Any use in the I-2 general industrial district shall be so designed and operated as to continuously comply with the performance standards hereinafter set forth. To ensure compliance with the performance standards contained hereafter, the community development director may require certification of compliance.
A. Noise: At no point on the boundary of residence or business districts shall the sound intensity level of any individual operation or plant (other than the operation of motor vehicles or other transportation facilities) exceed the decibel levels in the designated octave bands shown in table 1 of this section for the districts indicated.
B. Smoke And Particulate Matter: Any use established in the I-2 district shall be so operated as to comply with the performance standards governing smoke and particulate matter set forth hereinafter for the district in which such use shall be located. No use already established on the effective date hereof shall be so altered or modified as to conflict with, or further conflict with, the performance standards governing smoke and particulate matter established hereinafter for the district in which such use is located.
In addition to the performance standards specified hereinafter, the emission of smoke or particulate matter in such manner or quantity as to endanger or to be detrimental to the public health, safety, comfort, or welfare is hereby declared to be a public nuisance and shall henceforth be unlawful.
For the purpose of grading the density of smoke, the Ringelmann chart published and used by the United States bureau of mines shall be employed. The emission of smoke or particulate matter of a density greater than no. 2 on the Ringelmann chart is prohibited at all times except as otherwise provided hereinafter.
The emission, from all sources within any lot area, of particulate matter containing more than ten percent (10%) by weight of particles having a particle diameter larger than forty four (44) microns is prohibited.
Dust and other types of air pollution, borne by 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, or acceptable means. Emission of particulate matter from such sources in excess of the weight limitations specified hereinafter is prohibited.
1. The emission of more than ten (10) smoke units per hour per stack is prohibited, including smoke of a density in excess of Ringelmann no. 2. However, during one 1-hour period in each twenty four (24) hour day, each stack may emit up to twenty (20) smoke units when blowing soot or cleaning fires. Only during fire cleaning periods, however, shall smoke of Ringelmann no. 3 be permitted, and then for not more than four (4) minutes.
2. The rate of emission of particulate matter from all sources within the boundaries of any lot shall not exceed a net figure of one pound per acre of lot area during any one hour, after deducting from the gross hourly emission per acre the correction factor set forth in tables 2, 3, and 4 of this section, for height, velocity and temperature of emission, respectively. Determination of the total new rate of emission or particulate matter within the boundaries of any lot shall be made as follows:
a. Determine the maximum emission in pounds per hour from each source of emission and divide this figure by the number of acres of lot area, thereby obtaining the gross hourly rate of emission in pounds per acre.
b. From each gross hourly rate of emission derived in subsection B2a of this section, deduct the appropriate correction factor (interpolating as required) for height, velocity, and temperature of emission set forth in tables 2, 3, and 4 of this section, thereby obtaining the net rate of emission in pounds per acre per hour from each source of emission.
c. All together the individual net rates of emission derived in subsection B2b of this section, to obtain the total net rate of emission from all sources of emission within the boundaries of the lot. Such total shall not exceed one pound per acre of lot area during any one hour.
ALLOWANCE OF HEIGHT OF EMISSION1
Height Of Emission Above Grade (Feet) | Correction (Pounds Per Hour Per Acre) |
50 | 0.01 |
100 | 0.06 |
150 | 0.10 |
200 | 0.16 |
300 | 0.30 |
400 | 0.50 |
1. Interpolate for intermediate values not shown in table.
ALLOWANCE FOR VELOCITY OF EMISSION1
Exit Velocity (Feet Per Second) | Correction (Pounds Per Hour Per Acre) |
0 | 0.00 |
20 | 0.03 |
40 | 0.09 |
60 | 0.16 |
80 | 0.24 |
100 | 0.50 |
1. Interpolate for intermediate values not shown in table.
ALLOWANCE FOR TEMPERATURE OF EMISSION1
1. Interpolate for intermediate values not shown in table.
C. Toxic Or Noxious Matter: Any use established in the I-2 general industrial district shall be so operated as to comply with the performance standards governing emission of toxic or noxious matter set forth hereinafter for the district in which such use shall be located. No use shall for any period of time discharge, across the boundaries of the lot wherein it is located, toxic or noxious matter in such concentrations as to be detrimental to or endanger the public health, safety, comfort, or welfare, or cause injury or damage to property or business.
D. Odors: Any use established in the I-2 district shall be so operated as to comply with the performance standards governing odorous materials, set forth hereinafter for the district in which such use shall be located. No use already established on the effective date hereof shall be so altered or modified as to conflict with, or further conflict with, the performance standards governing odorous materials established hereinafter for the district in which such use is located.
The emission of odorous matter in such quantities as to be readily detectable at any point along lot lines or as to produce a public nuisance or hazard beyond lot lines is prohibited.
E. Fire And Explosion Hazard (Limits In I-2 District): Any use established in the I-2 district shall be so operated as to comply with the performance standards governing fire and explosive hazards set forth hereinafter for the district in which such use shall be located. No use already established on the effective date hereof shall be so altered or modified as to conflict with, or further conflict with, the performance standards governing fire and explosive hazards established hereinafter for the district in which such use is located.
1. The storage, utilization, or manufacture of materials or products ranging from incombustible to moderate burning, as determined by the community development director, is permitted, subject to compliance with all other performance standards for the district.
2. The storage, utilization, or manufacture of materials, goods or products ranging from free, or active burning to intense burning, as determined by the community development director, is permitted subject to compliance with all other performance standards for the district, and provided the following conditions are met:
a. Said materials or products shall be stored, utilized, or produced within completely enclosed structures having fire resistive construction in accordance with requirements of the building code.
b. All such structures shall be set back at least forty feet (40') from lot lines; or, in lieu thereof, all such structures shall be protected throughout by an automatic sprinkler system (or a carbon dioxide system of equal protection) in compliance with installation standards prescribed by the National Fire Protection Association.
3. Manufacture or processing of materials or products which produce flammable or explosive vapors or gases at ordinary weather temperature shall not be permitted, except when such materials are used in secondary processes or are required in emergency or standby equipment; but their storage for use as power or heating fuels shall be permitted if in conformity with standards prescribed by the National Fire Protection Association and with applicable requirements embodied in regulations promulgated by the state of Illinois department of public safety.
F. Vibration: Any use established in the I-2 district shall be so operated as to comply with the performance standards governing vibration set forth hereinafter. No use already established on the effective date hereof shall be so altered or modified as to conflict with, or further conflict with, the performance standards governing vibration established hereinafter. Any use or portion thereof creating intense earth shaking vibrations such as are created by heavy hydraulic surges shall be set back at least five hundred feet (500') from any lot line.
G. Glare Or Heat (Restrictions In I-2 District): Any use established in the I-2 district shall be so operated as to comply with the performance standards governing glare or heat set forth hereinafter. No use already established on the effective date hereof shall be so altered or modified as to conflict with, or further conflict with, the performance standards governing glare or heat established hereinafter. Any operation producing intense glare or heat shall be performed within a completely enclosed building in such manner as not to create a public nuisance or hazard along lot lines.
H. Lighting: All exterior lighting, parking lot light, exterior building lights and landscape lighting shall be directed away from adjoining highways, streets, and properties.
I. Adult Regulated Use Standards: Adult regulated uses shall comply with the standards set forth in subsection 11-6.3-7G of this title. (Ord. 2009-34, 12-3-2009, eff. 1-1-2010)