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I I� <br /> 1R1 �I <br /> engineer, or shall be upgraded to accommodate anticipated loads and to provide I) <br /> t. <br /> a 32-foot wide roadway surface. The improvement plans and specifications shall <br /> be prepared by a registered civil or structural engineer and shall be subject to <br /> approval by the Department of Public Works. <br /> A video tape of road conditions shall be prepared for all haul routes between the <br /> project site access and SR 132. The condition of the haul routes shall be reviewed <br /> with the County Public Works Department every five years. A Maintenance <br /> Agreement shall be executed with the County to ensure repair of haul routes on <br /> County Roads between the project site access and SR 132. The Maintenance <br /> Agreement shall require a bond or cash deposit in an amount deemed acceptable <br /> to Public Works, and shall be renewed every five years for the life of the project. I <br /> The proponent shall pay a traffic impact mitigation fee based on the average daily <br /> trip-ends for the life expectancy of the altemative. <br /> Level of Significance After Mitigation: I <br /> Implementation of Mitigation Measure 4.4-1b would reduce Alternative 2's effect on <br /> roadway structural sections and bridges to a less-than-significant level. <br /> Mitigation Measure 4.4-1cAltemative 3 <br /> l 1 <br /> S The proponent shall contribute a fair-share of the funding required for the Vemalis <br /> Interchange Project <br /> �' <br /> The proponent shag pay a traffic impact mitigation fee based on the average daily i <br /> ' trip-ends for the life expectancy of the alternative. <br /> Level of Significance After Mitigation: i <br /> Implementation of Mitigation Measure 4.4-1 c would reduce Altemative 3's effect on <br /> F roadway structural sections and bridges to a less-than-significant level. <br /> .i <br /> Impact 4.4.-2 it { <br /> Reduction in Traffic Safety � <br /> The addition of truck traffic on existing roadway facilities may result in a reduction in traffic 1 <br /> safety. The narrow width of Koster and Blewett Roads would increase theotenti l f <br /> p a or <br /> vehicle conflicts with truck traffic generated by the proposed quarry operations. Low levels i <br /> of service and the absence of gaps in traffic on SR 132 would result in reduced safety at it <br /> ' the Koster Road and Bird Road intersections. <br /> i; <br /> i <br /> 1 jl <br /> .. ii <br /> r-- <br /> Draft Environmental Impact Report 4-49 ER-96-3 <br /> I y3 <br /> i <br />