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i <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br />I <br />I <br />I <br />I <br />I <br /> <br />'PERFORMANCE STANDARDS <br /> <br />Ir~ter~t: These performance standards are designed to encourage a <br />high standard of development by providir~g assurance that <br />neighboring lar~d uses will be compatible. All future development <br />in ali districts shall be required to meet these standards. <br />Thes~ standards shall also apply to existing development whe~ <br />stated. The zoning officer shall enforce these standards. <br /> <br />Nuisances: Nc. r~oise, odors, vibrat ion, smoke, glare, air <br />pollutior,, or dangerous wastes shall be created that exceed the <br />fol lowir, g limits. <br /> <br />No i 5e: <br />SOUND LEVEL~ IN DECIBELS MEASURED AT PROPERTY LINE <br /> <br />Cycles/Sec. Residential Non-Residential <br />37.5 - 75 58 73 <br />76 - 150 54 69 <br />151 - 300 50 65 <br />301 - 600 46 61 <br />601 - 1200 40 55 <br />1201 - 2400 33 48 <br />2401 - 4800 26 41 <br />Over 4800 20 35 <br /> <br />Odors: <br />Table III (Odor Thresholds in Chapter 5, "Air Pollution Manual", <br />copyright 1951 by Manufacturing Chemists Association, Inc., Washington, DC <br /> <br />Vibrations: <br />Any vibration discernible (beyond property line) to the human <br />sense of feeling for three minutes of more duration in any one <br />hour and any vibration producing an acceleration of more than 0.1 <br />g. or resulting in any combination of amplitudes and frequencies <br />beyond the "safe" range of Table 7, U.S. Bureau of Mines Bulletin <br />No. 442, "Seismic Effects of Quarry Blasting", on any structure. <br /> <br />Smoke: <br />Ar~y emission of visible smoke of a shade darker than No. 1 or~ the <br />Ringelmanr~ Smoke Chart, as published by the U.S. Bureau of Mines, <br />except that visible grey smoke of a shade not darker thar~ No. 2 <br />or~ said chart ~ay be emitted for not more than four minutes in <br />any thirty ~ir, utes. <br /> <br />Air Pollutior~ <Fly ash, dust, fumes, vapors, gasses, etc. >: <br />Any emission which can cause any damage to health, animals, or <br />vegetatior~, or other forms of property, or which car, cause ar, y <br />excessive soiling at any point, and in no event any emission of <br />any solid or liquid particles ir, cor, centrations exceeding 0.3 <br />grains per cubic foot of the conveying gas or air at any point. <br />For measuremer, t of the amount of particles ir, gasses resulting <br />from combustion, standard correct ions shall be applied to a <br /> <br /> <br />