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s.d <br /> Ms.Lisa Medina <br /> January 26,2004 <br /> Page 2 <br /> per hour: a total of 221 cars were counted during a 3.5 hour portion of a day during the <br /> study. The traffic report was addressed to Jerry Violett of the San Joaquin County Public <br /> Works Department and was dated December 5, 2003. The report was unsigned and <br /> marked DRAFT and was provided to our office for review by Mr. De Jong. <br /> The owner of Java Hut(and winery) is Bob Casalegno. He can be contacted at(209) 745- <br /> 3583. Mr. Casalegno indicated to our office during an interview on January 23, 2004, <br /> that between 600 and 700 cars per day stop by and purchase coffee in the drive-up <br /> window. This is an average of 650 cars per day. Mr. Casalegno indicated an average car <br /> occupancy is 1.1 people per car and each customer purchases approximately 20 fluid <br /> ounces of coffee. <br /> City of Lodi water use records were available from Mr. Casalegno and were examined. <br /> Table 1 provides a spread sheet summary of the use for approximately two years. <br /> Table 2, shows the estimated non-winery waste water flow generated for the Java Stop. <br /> We believe that records and information from Mr. Casalegno indicate that the facility <br /> probably generates 438 gallons per day of waste water. We estimate approximately 715 <br /> customers purchase coffee each day based on Mr. Casalegno's figures. The average <br /> waste water use per customer is equal to 0.61 gpd/person. <br /> Though Mr. De Jong believe business will be from 200 cars;his business could <br /> potentially experience up to 650 cars per day because both business are similar. <br /> Therefore,it is our opinion that the waste water quantity for the facility should be 438 <br /> gallons per day. A revised nitrate loading calculation is shown on Table 3 and 4 and <br /> reflects these changes. <br /> As stated in the comments, a grease trap is recommended. <br /> 6.1 A new percolation test was performed in the proposed septic system disposal field. The <br /> test met the minimum requirements for a satisfactory percolation test. The percolation <br /> test form and location map are attached to this letter. <br /> 6.6 The percolation test is stamped and signed. <br /> 6.7 We do not believe septic system will require an engineered design. We do recommend <br /> that a double system be installed with a flow diversion valve. A 100 percent replacement <br /> area should be set aside. <br /> =pERS 1 <br /> = W <br /> �SSOC♦ <br /> f <br />