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7. Future Noise Environment, Impacts, and Considered Abatement <br />Table 7.6. Summary of Reasonableness Allowances for <br />Noise Barrier No. 6 <br />Build Alternative with Barrier' <br />6 ft <br />Barrier <br />8 ft <br />Barrier <br />loft <br />Barrier <br />12 ft <br />Barrier <br />14 ft <br />Barrier <br />16 ft <br />Barrier <br />Highest Noise Barrier Reduction (dB) <br />0 <br />4 <br />7 <br />8 <br />9 <br />10 <br />Number of Benefited Receptors/Units <br />0 <br />0 <br />1 <br />1 <br />1 <br />1 <br />Reasonable Allowance Per Benefited <br />Receptor/UnitZ <br />$0 <br />$0 <br />$95,000 <br />$95,000 <br />$95,000 <br />$95,000 <br />Total Reasonable Allowance <br />$0 <br />$0 <br />$95,000 <br />$95,000 <br />$95,000 <br />$95,000 <br />Source: Compiled by LSA (2018). <br />A NADR will be prepared to identify the noise barrier construction cost information and the noise barriers that are <br />reasonable from a cost perspective. <br />z The cost consideration in the reasonableness determination of noise abatement is based on a 2018 allowance <br />per benefited receptor/unit of $95,000. <br />dB = decibels <br />ft = foot/feet <br />NADR = Noise Abatement Decision Report <br />50 Fairview Street Improvements from 9th Street to 16th Street <br />and Bridge Replacement Project Noise Study Report <br />