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Section 5 <br />With the construction of the sound walls, the well borehole drilling activities would <br />result in noise levels that would range from a 0,1 dB increase to an 8.8 dB <br />increase. As shown in Table 52, the construction activity would not exceed the <br />daytime noise standard. Addltionallly, the borehole drilling activities would be <br />conducted during the day when the construction activity would be exempt under <br />the City's poise Ordinance. Potential) noise impacts would be less than <br />significant. <br />Table 53: MBI -2 Borehole Drilling and MBI -3 Well Development Night Time <br />Noise Impacts <br />Receivor: <br />Fairview Street <br />Existing <br />Existing t <br />Increase <br />Threshold " <br />13 <br />Single Family east <br />71.3 <br />71.3 <br />0.0 <br />74.4 <br />1 <br />Fairview Street <br />34.6 <br />44.7 <br />101 <br />50.0 <br />14 <br />Single Family east <br />71.4 <br />71.4 <br />0.0 <br />74.4 - <br />2 <br />Fairview Street <br />54,5 <br />54.9 <br />0.4 <br />57.5 <br />15 <br />North Godinez_ High <br />53.6 <br />536 <br />0.0 <br />55.07 <br />3 <br />School <br />58.1 <br />58.4 <br />0.3 <br />60.1 <br />16 <br />Northwest Mitchell <br />43.5 <br />47.0 <br />3.5 <br />55.6 <br />4 <br />School <br />57.0 <br />57.3 <br />0.3 <br />60.0 <br />17 <br />North Heritage Museum <br />481 <br />48.9 <br />0.8 <br />55.4 <br />5 <br />Structure <br />57.3 <br />57.5 <br />0.2 <br />59.3 <br />18 <br />South Godinez High <br />43.3 <br />43.4 <br />01 <br />55.0 <br />6 <br />School <br />64.3 <br />643 <br />0.0 <br />65.3 <br />19 <br />Northwest Godinez High <br />46.2 <br />52.7 IT <br />5 <br />55.0 <br />7 <br />School <br />60.2 <br />66.2 <br />0.0 <br />622 <br />9 City Noise Standard at r4lbmt Nais'a level 13 dIB WJhers Existing Nbise ILnvcls Ab000 City 5landard <br />Hold =Excerds Noise Ftondald Threshed <br />With the construction of the sound walls, the well borehole drilling activities would <br />result in noise levels that would range from a 0,1 dB increase to an 8.8 dB <br />increase. As shown in Table 52, the construction activity would not exceed the <br />daytime noise standard. Addltionallly, the borehole drilling activities would be <br />conducted during the day when the construction activity would be exempt under <br />the City's poise Ordinance. Potential) noise impacts would be less than <br />significant. <br />Table 53: MBI -2 Borehole Drilling and MBI -3 Well Development Night Time <br />Noise Impacts <br />Receivor: <br />06spription <br />Existing <br />Existing t <br />Increase <br />Threshold " <br />Uhstwttlonr <br />1 <br />Multi Family west Santa <br />34.6 <br />44.7 <br />101 <br />50.0 <br />Ana River <br />2 <br />Multi Family west Santa <br />54,5 <br />54.9 <br />0.4 <br />57.5 <br />Ana River <br />3 <br />Single Family north <br />58.1 <br />58.4 <br />0.3 <br />60.1 <br />Edinger Ave. <br />4 <br />Single Family north <br />57.0 <br />57.3 <br />0.3 <br />60.0 <br />Edinger Ave. <br />5 <br />Single Family north <br />57.3 <br />57.5 <br />0.2 <br />59.3 <br />Edinger Ave. <br />6 <br />Single family north <br />64.3 <br />643 <br />0.0 <br />65.3 <br />Edinger Ave. <br />7 <br />Single family north <br />60.2 <br />66.2 <br />0.0 <br />622 <br />Edinger Ave. <br />8 <br />Multi Family north <br />66.9 <br />56.9 <br />0.0 <br />00.9 <br />� , Mid Basin Centenniall Park 2vcAntteroject Final Ell 5 -175 <br />