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Section 5 <br />9 <br />North Centennial <br />59.5 <br />59.E' <br />00 <br />62.5 <br />Education Center <br />Cdinstr40110h <br />10 <br />Southeast Centennial <br />54,5 <br />548 <br />0,0 <br />55 <br />Education Center <br />11 <br />Single Family east <br />71.8 <br />71,8 <br />0,0 <br />74,8 <br />Fairview Street <br />12 <br />Singe Family east <br />71,3 <br />71.4 <br />0,1 <br />74.3 <br />Fairview Street <br />13 <br />Single Family east <br />711 <br />71.4 <br />IDA <br />74.3 <br />Fairview Street <br />7-4 <br />Single Family east <br />71.4 <br />71.4 <br />0.0 <br />74.4 <br />Fairview Street <br />2! <br />15 <br />North Godinez High <br />53 <br />53,8 <br />0.2 <br />55.0 <br />School <br />16 <br />Northwest Mitchell School <br />43.5 <br />43.5 <br />0.0 <br />550 <br />17 <br />North Heritage Museum <br />48.1 <br />48.0 <br />-0.1 <br />55.0 <br />Structure <br />is <br />South Godinalz High <br />43,3 <br />433 <br />u <br />55.0 <br />School <br />19 <br />Northwest Godlnez High <br />46.2 <br />46.2 <br />0.0 <br />55.0 <br />Schooii <br />1--City N012E9 Standard or Ambient Noise IeveV +3 dB When Exisling Noise Levels Above tidy Slai-Aard <br />Bold -Exceeds Noise Slanidard Threshold <br />With the construction of the sound walls, the borehole drilling and reaming <br />activities would result in noise levels that would range from a -0.1 dB decrease to <br />a 01 dB increase. As shown in Table 40, the construction activity would not <br />exceed the daytime noise standard. Additionally, the borehole drilling and <br />reaming activities would be conducted during the day when the construction <br />activity would be exempt under the City's Noise Ordinance. Potential noise <br />impacts would be less than significant. <br />Table 41: MBI-5 Borehole Drilling and Reaming Night Time Noise Levels <br />Ro"Iver <br />Descrippqri <br />Existing <br />EKi sting + <br />incripaso <br />Throsh6lto <br />Cdinstr40110h <br />1 <br />Multi Family west <br />34,6 <br />35.5 <br />0r9 <br />50 <br />Santa Ana River <br />2 <br />Multi Family west <br />54.5 <br />54.5 <br />0.0 <br />57.5 <br />Santa Aria River <br />I <br />Single Family north <br />58.1 <br />58.9 <br />0.0 <br />60.1 <br />Edinger Ave. <br />4 <br />Single Famlly north <br />57.0 <br />57.0 <br />0'0 <br />60.0 <br />Edinger Ave. <br />5 <br />Single Family north <br />57.9 <br />57.3 <br />60.3 <br />Edinger Ave. <br />2! <br />Mid Basin Centennial Park �Jgdngj Project Final EIR 5-160 <br />