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San Joaquin County Community Environmental Setting,Impacts,and Mitigation Measures <br /> Development Department Transportation and Traffic <br /> The year 2027 baseline average daily truck generation was estimated based on <br /> the average yearly production of 15,550,000 tons shown in Table 3.L-15, <br /> assuming 250 production days per year,and 25 tons of material per truck. The <br /> resulting estimated average daily truck generation is shown in Table 3.L-16. As <br /> shown, an average of 2,488 truck loads per day would be generated under the <br /> year 2027 baseline conditions which would generate 4,976 two-way truck trips <br /> per day(Omni-Means 2005). <br /> Table 3.L-16. Vernalis Area Aggregate Production Sites Year 2027 Baseline Conditions Average Daily <br /> Truck Trip Generation — <br /> Average Yearly Average Yearly Average Daily Average Daily Truck Average Daily Two- <br /> Production(Tons) Production Days Production(Tons) Loads(25 Tons/Truck) Way Truck Trips — <br /> 15,550,000 250 62,200 2,488 4,976 <br /> Source: Omni-Means 2005. <br /> Using the peak adjustment factor of 1.4(40%increase)to reflect the one or more <br /> peak production months that occurs on a yearly basis, the resulting estimated <br /> peak daily truck generation is shown in Table 3.L-17. As shown,up to 3,483 s <br /> truck loads are estimated on a peak production day,which would generate 6,966 <br /> two-way truck trips per day(Omni-Means 2005). <br /> Table 3.1-47. Vernalis Area Aggregate Production Sites Year 2027 Baseline Conditions Peak Daily <br /> Truck Trip Generation <br /> Average Yearly Average Daily Truck Peak Daily Peak Daily Truck Peak Daily Two-Way <br /> Production(Tons) Loads(25 Tons/Truck) Adjustment Factor Loads Truck Trips <br /> 15,550,000 2,488 1.4 3,483 6,966 <br /> Source: Omni-Means 2005. <br /> Table 3.L-18 presents the estimated truck loading frequencies by hour of a _ <br /> typical day. The number of peak daily two-way truck trips that would be <br /> generated by hour was estimated based on the 6,966 two-way truck trips shown <br /> in Table 3.L-18. The previously identified AM and PM peak hours(6:00 to 7:00 <br /> a.m. [AM peak hour] and 4:00 to 5:00 p.m. [PM peak hour]),bolded in the table, <br /> would have 698 and 168 two-way truck trips respectively that would be entering <br /> and exiting SR 132(Omni-Means 2005). <br /> DeSilva Gates Quarry Project — <br /> Draft Environmental Impact Report 3.1--16 <br /> As 05105.05 <br />