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4:/:I1-3111WA <br />Report date ######## <br />Case Descr SNT-18 <br />Roadway Construction Noise Model (RCNM),Version 1.1 <br />---- Receptor #1 ---- <br />Baselines (dBA) <br />Descriptior Land Use Daytime Evening Night <br />Paving Residential 60 55 60 <br />Equipment <br />Spec <br />Actual <br />Receptor <br />Estimated <br />Impact <br />Lmax <br />Lmax <br />Distance <br />Shielding <br />Description <br />Device <br />Usage(%) (dBA) <br />(dBA) <br />(feet) <br />(dBA) <br />Drum Mixer <br />No <br />50 <br />80 <br />80 <br />0 <br />Paver <br />No <br />50 <br />77.2 <br />80 <br />0 <br />Pavement Scarafier <br />No <br />20 <br />89.5 <br />80 <br />0 <br />Roller <br />No <br />20 <br />80 <br />80 <br />0 <br />Tractor <br />No <br />40 84 <br />80 <br />0 <br />Results <br />Calculated <br />(dBA) <br />Noise Limits (dBA) <br />Day <br />Evening <br />Night <br />Equipment <br />*Lmax <br />Leq Lmax <br />Leq <br />Lmax <br />Leq <br />Lmax <br />Leq <br />Drum Mixer <br />75.9 <br />72.9 N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />Paver <br />73.1 <br />70.1 N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />Pavement Scarafier <br />85.4 <br />78.4 N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />Roller <br />75.9 <br />68.9 N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />Tractor <br />79.9 <br />75.9 N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />Total <br />85.4 <br />81.7 N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />*Calculated Lmax is the Loudest value. <br />75C-266 <br />