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4.Minor Revislons to the Draft Environmental Impact Report r Project Impacts Intersection Operations y, Impact 4.4.1: The project would generate additional vehicle trips,primarily haul truck traffic,on project area roadways. The added traffic would affect traffic operating conditions. This would be a potentially significant impact. V Trip Generation L The proposed reining operation will produce aggregate products that will be shipped to Stockton, Modesto, Sacramento, and the Bay Area via 25-ton-capacity trucks. The project is expected to generate an annual average of 2.85 million tons of material,with a peak annual production of 4.0 million tons of material,over a 60-year period. Material will typically be hauled in 25-ton- capacity trucks that will arrive at the site empty and leave the site full of material. The trucks would return to the site empty via the same route after delivery of the material. Daily and AM- peak-hour project traffic volumes were determined based on the maximum amount of material I. expected to be generated by the project(4.0 mty)and the capacity of the trucks hauling the material(25 tons)over an 8-hour-per-day,260-day work year. aqq-nnAd qgasnnal ad ustment faEt0F ef 1.6 based en nufnerous inteiviews with plant manager mgarding their liFeduetien peaks. :fhis adjustmefit is applied to convieft the average annual daily and peak hour pEejeet traffis volumes to the eaffospending Nialumei;that would-he expesto ` Table 4.4-4 presents daily and peak-hour project traffic volumes expected during peak summer months. Employee trips to and from the site, as well as delivery trucks(cement, recycled materials, and other minor deliveries), ` were not included in the peak-hour analysis because these trips will not occur during the peak hour. The term trip refers to a one-way trip; thus a truck's roundtrip constitutes two trips. TAR, R2 4 4 A4 A PRO ErT TRIP GFNEOATION r AnnualAverageCreak seasonal-Awm9a Annual I d6 PwdUG4911401161 4-099-,999 4,0Q0,000 Aggiregate Truck Loads(25 tonsitruck) X59;999 369,999 7@9 799 Cement-Tmok 19ad6 7a9 749 a. Annual TFip Aggregate TwG!(TF'p6(inbound - Outbound) 929;899 929;999 4 `69 Cement TFwG1(T4ips(inbound , Outbound) 4-1560 3;x`69 Ietal TRAck-Tiips 323,129 a29;329 gaily Loads(260 days/yeao ` —Agigiregate Truck Load� 64-9 93 9 5 Cement Tr,-Gk I oa9s a 5 Cemex Vernalis Quarry Mining and Reclamatgn Project 4-27 ESA 203015 Final Envimnmenhal lmixid Report June 2008 L