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+Addendum <br /> Prepared By: <br /> GSV Consulting <br /> 3814 S. Walton Ave. <br /> Yuba City,CA 95993 <br /> Ahern Truck Stop Preliminary Water Use Calculations <br /> Aside from the soils analysis and percolation test results, sizing of the septic system will also utilize the <br /> San Joaquin OWTS Standards. Estimated number of employees and vehicles were provided by the <br /> owner. Given the proposed site plan,the estimated daily use per Table 6.6 of the San Joaquin OWTS <br /> Standards: <br /> Service Stations—10 gpd per vehicle <br /> Employees—30 gpd per employee <br /> Fueling-Store: <br /> Total Vehicles: 630 per day,Total Employees; 5 <br /> Total Estimated Use: 630 vehicles x 10 gpd +5 employees x 30 gpd =6450 gpd <br /> Using 6450 gpd, a loading rate of 0.5 gal per sf per day and 3' wide trench,the total leach line required: <br /> 6450/0.5/3 =4300 If <br /> Total area required for the leach field, assuming 100' laterals is 43.This would require an area of <br /> approximately 1.1 acres for dispersal and 1.1 acres for replacement. <br /> Also, considering nitrate loading, a secondary treatment measure such as Orenco AdvanTex system <br /> would be required. <br /> **At this time, only the fueling station with store is being proposed. Data will be collected via a flow <br /> meter on the septic system discharge line to accurate record actual daily use. If this data indicates daily <br /> use is significantly less than calculated then the system will be evaluated whether a fast food restaurant <br /> can be added to the development. <br />