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other vehicle powered by an engine or motor, the operation of which causes noise, unless the <br />noise from the blower or fan is muffled and such engine or compressor is equipped with a <br />muffler device sufficient to deaden and effectively prevent such noise so that the noise shall not <br />annoy, disturb or affect the comfortable enjoyment of life or property. <br />(4) Tracks and trails for riding motor vehicles are not allowed in a residential area unless said track <br />or trail is: <br />(5) <br />a. 1,000 feet from any residence except that of the owner; and <br />b. At least 50 feet from property lines, public streets, utilities or easements. <br />All other conditions or things, which are likely to cause injury to <br />anyone and to interfere with the comfortable enjoyment of life or pro <br />(b) Sound levels. No person shall operate or cause or permit to be operated <br />a manner as to create a noise level exceeding the limit set in Table 1. <br />TABLE 1 <br />the person or property of <br />perty. <br />any source of noise in such <br />Land Use <br />Residential <br />Commercial <br />Industrial <br />7:00 A.M. - 10:00 P.M. <br />10:00 P.M. - 7:00 A.M. <br />(c) Measurement procedure. The following procedures must be used to obtain a representative sound <br />level measurement by the use of a sound measuring device: <br />(1) A decibel meter will be used to obtain readings and be used as evidence. <br />(2) The operator of the device has sufficient training to properly operate the equipment and can <br />testify as to the manner in which the device was set up and operated. <br />The device is operated with minimal distortion or interference from outside sources; and has <br />been certified as being accurate and reliable. <br />(4) Measurements must be made at least three feet off the ground or surface and away from <br />natural or artificial structures that would prevent an accurate measurement. <br />Measurements must be made using an A -weighting and fast response characteristics of the <br />sound measuring device as specified in American National Standards Institute S1.4-1983. <br />(6) Measurements must not be made in sustained winds or in precipitation that results in a <br />difference of less than ten decibels between the background noise level and the noise source <br />being measured. <br />Measurements must be made using a microphone that is protected from ambient conditions that <br />would prevent an accurate measurement. <br />Measurement must be made from the property of the person making the complaint, when <br />applicable. <br />(3) <br />(5) <br />(7) <br />(8) <br />Page 7 <br />L50 <br />L10 <br />L50 <br />L10 <br />65 <br />60 <br />55 <br />50 <br />70 <br />65 <br />70 <br />65 <br />80 <br />75 <br />80 <br />75 <br />(c) Measurement procedure. The following procedures must be used to obtain a representative sound <br />level measurement by the use of a sound measuring device: <br />(1) A decibel meter will be used to obtain readings and be used as evidence. <br />(2) The operator of the device has sufficient training to properly operate the equipment and can <br />testify as to the manner in which the device was set up and operated. <br />The device is operated with minimal distortion or interference from outside sources; and has <br />been certified as being accurate and reliable. <br />(4) Measurements must be made at least three feet off the ground or surface and away from <br />natural or artificial structures that would prevent an accurate measurement. <br />Measurements must be made using an A -weighting and fast response characteristics of the <br />sound measuring device as specified in American National Standards Institute S1.4-1983. <br />(6) Measurements must not be made in sustained winds or in precipitation that results in a <br />difference of less than ten decibels between the background noise level and the noise source <br />being measured. <br />Measurements must be made using a microphone that is protected from ambient conditions that <br />would prevent an accurate measurement. <br />Measurement must be made from the property of the person making the complaint, when <br />applicable. <br />(3) <br />(5) <br />(7) <br />(8) <br />Page 7 <br />