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B Predicted Future Noise Levels <br />Table B.1 — Predicted Future Noise and Noise Barrier Analysis <br />Future <br />Noise Levels, dBA Leq(h) <br />Noise Prediction with Barrier, Barrier I.L., and NBR <br />Existing <br />Noise <br />No. of <br />Noise <br />2040 Noise Level <br />6 ft <br />8 ft <br />loft <br />12 ft <br />14 ft <br />16 ft <br />Receptor No. <br />Existing <br />Wall No. <br />NB <br />No. <br />Barrier <br />Land Use <br />Receptors <br />Level, <br />Activity <br />Category <br />Impact <br />With Project <br />Location <br />/Units <br />dBA <br />Without <br />With <br />us Witt <br />Minus Without <br />With Project <br />� <br />NAC <br />(NAC) <br />Type <br />Leq(h) <br />Project, <br />Project, <br />Minus Existing <br />Le,(h) <br />I.L. <br />NBR <br />L.,(h) <br />I.L. <br />NBR <br />Leq(h) <br />I.L. <br />NBR <br />Leq(h) <br />I.L. <br />NBR <br />Leq(h) <br />I.L. <br />NBR <br />Leq(h) <br />I.L. <br />NBR <br />dBA Leo <br />dBA Leq <br />Conditions <br />Conditions <br />R-87 <br />Residential <br />1 <br />63 <br />63 <br />63 <br />0 <br />0 <br />B(67) <br />None <br />-- <br />-- <br />R-88 <br />Residential <br />1 <br />62 <br />62 <br />62 <br />0 <br />0 <br />B(67) <br />None <br />-- <br />-- <br />R-89 <br />Light Industrial <br />1 <br />75 <br />75 <br />75 <br />0 <br />0 <br />F2 <br />None <br />-- <br />- <br />-- <br />-- <br />R-90 <br />Light Industrial <br />1 <br />64 <br />64 <br />64 <br />0 <br />0 <br />F2 <br />None <br />-- <br />-- <br />-- <br />-- <br />R-91 <br />Light Industrial <br />1 <br />66 <br />66 <br />66 <br />0 <br />0 <br />F2 <br />None <br />-- <br />-- <br />-- <br />R-92 <br />Light Industrial <br />1 <br />69 <br />70 <br />70 <br />0 <br />1 <br />F2 <br />None <br />-- <br />- <br />-- <br />-- <br />Source: Compiled by LSA (2018). <br />I.L.: Insertion Loss. <br />2 Activity categories without outdoor frequent human use areas were not evaluated against the NAC. <br />3 No barrier was analyzed at this location because the modeled receptor would not approach or exceed the NAC. <br />° Numbers in bold represent noise levels that approach or exceed the NAC. <br />5 Underlined noise levels have been attenuated by at least 5 dBA (i.e., feasible barrier height). <br />6 NF = Not Feasible. <br />A/E = Approach/Exceed Leq(h) = 1-hour A -weighted equivalent continuous sound level <br />dB = decibel(s) NAC = Noise Abatement Criteria <br />dBA = A -weighted decibel(s) NB = Noise Barrier <br />EW = Existing Wall NBR = Number of Benefited Receptors <br />ft = foot/feet PL = property line <br />ROW = right-of-way <br />Fairview Street Improvements from 9th Street to 16th Street 63 <br />and Bridge Replacement Project Noise Study Report <br />