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SuperValu <br />1990 Piccoli Rd, Stockton, CA 95215 <br />VVH Consulting Engineers Job#: 1117-0100 <br />Brian Veitch, PE <br />August 4, 2017 <br />Leach Field Requirements <br />Notes <br />Soil Type <br />Clay and/or Peat <br />Soil Factor <br />0.25 <br />(Table 9.7.2) <br />Required Leach Line Length <br />(Feet) <br />2,336 <br />(Section 9.7.2) <br />Required Filter Bed Size <br />(Square Feet) <br />9,345 <br />(Section 9.8.1) <br />Minimum Leach Line Repair Length Required <br />(Feet) <br />1,168 <br />(Section 6.8.1) <br />Equivalent Leach Field Proposed <br />Notes <br />Leach Line Length (Feet) <br />258 <br />Number of 36" Diameter Seepage Pits <br />0 <br />49' Leach Line Equivalent per Each <br />Number of 42" Diameter Seepage Pits <br />18 <br />57' Leach Line Equivalent Per Each <br />Number of 48" Diameter Seepage Pits <br />0 <br />66' Leach Line Equivalent Per Each <br />Number of 60" Diameter Seepage Pits <br />0 <br />84' Leach Line Equivalent Per Each <br />Total Seepage Pit Leach Line Length Equivalent <br />(Feet) <br />1,026 <br />(Section 9.9.8) <br />Equivalent Linear Leach Line Length Provided <br />(Feet) <br />1,284 <br />*Calculations are based on the San Joaquin County Onsite Wastewater Disposal Standards, January 2017 <br />Edition. Standard Soil Factor used in lieu of field percolation testing. <br />W:\11170100\docs\sewer\201708_tank-leach_calcs.xlsx Page 2of 3 <br />