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Mountain House Specific Plan III <br /> .............................................. .............................. ..............................................................................,. ............ <br /> Table 11-1: Predicted Road Traffic Noise Levels Under 2025 Plus Specific Plan III <br /> Buildout Conditions <br /> Noise Level(dBA CNEL)50 Feet <br /> from Centerline of Near Travel Lane <br /> Road Segments along Proposed Sound wall Cumulative+ With 7-foot Exceedance of Exceedance of 65 <br /> Sensitive Receptors proposed as Project Sound Wall 65 dBA dBA Ldn/CNEL <br /> part of SP III (Year 2025) Ldn/CNEL with Sound <br /> without Sound without Sound Barrer? <br /> Wall Barrier? <br /> Central Pkwy.south of Grant Line no 69.16 N/A Yes N/A <br /> Rd. <br /> Central Pkwy.along proposed no 65.53 N/A Yes NIA <br /> Community Park and Delta <br /> College Campus <br /> Central Pkwy.west of De Anza no 67.79 N/A Yes NIA <br /> Blvd. (and south of Grant Line Rd.) <br /> De Anza Blvd. between Mascott yes,along west 66.52 59.82 Yes No -- <br /> Blvd and Grant Line Rd. side of road <br /> De Anza Blvd. between Grant Line yes,along west 67.59 60.89 Yes No <br /> Rd. and Central Pkwyside of road - <br /> Grant Line Rd.between Prosperity yes,along south 68.79 62.04 Yes No <br /> and De Anza Blvd. side of road <br /> Grant Line Rd. between Central yesrattxlg' iOuth 71.36 64.53 Yes No <br /> Valley Pkwy.and Prosperity and sldii 6666cl <br /> De Anza Blvd. <br /> Road Segments along Existing Noise Level(dBA CNEL)at <br /> Sensitive Receptors Nearest Residence _ <br /> Sound wall Cumulative+ With 7-foot Exceedance of Exceedance of 65 <br /> proposed as Project Sound Wall 65 dBA dBA Ldn/CNEL <br /> part of SP III (Year 2025) Ldn/CNEL with Sound <br /> without Sound without Sound Barrier? <br /> Wall Barrier? <br /> Grant Line Rd.along existing Proposed as part 72.59 65.43(or 64.11 Yes Yes <br /> Grant Line Village(north side of of SPII with and 8-foot <br /> road in SPII) sound wall) <br /> Grant Line Rd.along existing yes,:along 69.89 63.31 Yes No <br /> Grant Line Village(south side of south side of <br /> road) road <br /> Source: Specific Plan III DER, 2005. <br /> 11 -4 Draft 03/14/05 <br /> ........................................................................................................................................................................... <br />