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Residential or planned 60 dB ( A) 50 dB (A ) <br /> development having a residential <br /> component <br /> Commercial 65 dB (A) 55 dB (A) <br /> Industrial 70 dB (A) 60 dB (A) <br /> ( Ord . of 6-7 - 2005, art . III , eff. 6-7 -2005 ) <br /> Sec . 16-54 . Sound measurement standards . <br /> Standards, instrumentation, and measurement procedures to be used in the measurement of sound as <br /> provided for in this Article are as follows : <br /> ( 1 ) Sound level measurement shall be made with a sound level meter using the " A " weighting scale set on <br /> " slow response, " except for measurements of impact sound, set on "slow response . Impact sound shall <br /> be measured using the fast response of the sound level meter . <br /> ( 2 ) The entire sound measurement system shall be serviced and operated as recommended by the <br /> manufacturer . Any officer authorized to enforce this ordinance shall be trained in the use of sound <br /> level measurement and the operation of sound level meters . <br /> ( 3 ) Except in the case where noises are emanating from within multi -family structures and the <br /> complainant is a resident of the same multi -family structure, noise measurements shall be taken at the <br /> corner of the primary structure of the complainant nearest the noise source but when this location is <br /> not practical noise measurements shall be made at the boundary of the public or private right-of-way <br /> which adjoins the complainant 's property . <br /> (4 ) In the case of noises emanating from within a multi -family structure and where a complainant is a <br /> resident of the same multi -family structure, noise measurements shall be made in the unit of <br /> complainant at a height of at least four feet above the floor and at a point approximately equidistant <br /> from all walls . <br /> ( 5 ) No individual other than the officer operating the meter shall be within ten feet of the meter during <br /> the sample period . <br /> ( 6 ) The meter shall be calibrated immediately before use and recalibrated after use . <br /> ( 7 ) The officer operating the meter shall face the noise source and record the meter ' s instantaneous <br /> response observed at consecutive ten second periods . The sound meter operator may cease taking <br /> readings as soon as the readings already taken show a violation of this Article . Five readings above the <br /> allowed decibel limits as specified in subsection 16-53 ( b ) attributed to the sound source or sources <br /> shall constitute prima facie evidence of a violation of the maximum permissible sound levels set in this <br /> Article . <br /> ( Ord . of 6-7 -2005 , art . IV, eff. 6 -7 -2005 ) <br /> Sec . 16 -55 , Exceptions . <br /> The following are exempt from the provisions of this Article : <br /> ( 1 ) Construction operations from 7 : 00 a . m . to 9 : 00 p . m . on weekdays and 8 :00 a . m . to 9 : 00 p . m . on <br /> weekends for which any required building permits have been issued, provided all equipment is <br /> Created : 2023 - 12- 19 09 : 11 : 21 [ EST ] <br /> ( Supp . No . 14) <br /> Page 3 of 6 <br />