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Munn&Perkins Quarry Excavation Permit <br /> TABLE ES-1 <br /> SUMMARY OF ENVIRONMENTAL IMPACTS AND MITIGATION MEASURES <br /> Level of Significance Level of Significance <br /> Environmental Impact before Mitigation Mitigation Measures after Mitigation <br /> 3.1. Visual and Lighting <br /> 3.1.1:Implementation of the project has the potential Potentially Significant Measure 3.11.1: All outdoor lighting will be required to be fully shielded and shall Less than significant <br /> to create a new source of substantial light or glare adhere to Section 9-1025.6 of the Development Code in order to minimize any <br /> which would adversely affect day or nighttime views impacts resulting from outdoor lighting on adjacent properties. <br /> in the area. <br /> .,- , <br /> 3.2. 61fic and Circulation <br /> 3.2.1:The Project would increase traffic volumes on Less than significant None required Less than significant <br /> area roadways. <br /> ZA <br /> . . <br /> 3.3 and Climate han Air Qual ty C t C g <br /> r e <br /> 3.3.1: The project could create objectionable odors Less than significant None required Less than significant <br /> affecting a substantial number of people. <br /> r .. <br /> 3.4. Noise = �. <br /> 3.4.1: Project asphalt plant operations would add to Less than significant None required Less than significant <br /> the noise environment in the project vicinity. <br /> 3.4.2: Off-site project haul truck traffic would add to Potentially Significant Measure 3.4.1:All project trucks shall be operated using noise-mitigating operating Significant and Unavoidable <br /> the noise environment in the project vicinity. parameters when entering or leaving the plant on East River Road. Based on <br /> testing conducted by Bollard Acoustical Consultant, Inc., the quietest haul truck <br /> operating parameters were as follows. <br /> Empty Trucks: Travel speed at 38.43 mph with engines in a gear at <br /> 700-800 rpm. <br /> • Loaded Trucks: Travel speed of 33-35 mph with engines in 6"' or 7' <br /> gear at 1,400-1,600 rpm. <br /> Furthermore,truck parking anywhere along River Road and the use of jake breaks <br /> at the McHenry Ave/River road intersection is prohibited. <br /> Munn&Perkins Quarry Excavation Permit ES-4 ESA 1211086 <br /> Apni 2011 <br /> Drai1 EIR C` <br />