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Engineered Septic System Report Irerracon <br /> Jeremy Winery Property Lodi, California <br /> October 1, 2020 Terracon Project No. NA197008 <br /> minutes per inch for seepage pits. The percolation test data sheet can be found in Appendix A of <br /> this report. <br /> 4.0 RECOMMENDATIONS FOR DESIGN AND CONSTRUCTION <br /> 4.1 Septic System Design Parameters <br /> The following table presents the design parameters for the septic system: <br /> Septic Tank Design Parameters <br /> New Septic Tank = Base Tank Capacity (BTC), plus Average Daily Flow (ADF) <br /> Calculations: Minimum (BTC) = 1,200 gallons <br /> 5 permanent employees, 15 customers and 150 special event customers <br /> (ADF) = 5 employees x 15 gpd + 15 customers x 20 gpd + 150 special event customers (5 <br /> days a year) x 20 gpd = 416 gallons <br /> Maximum daily flow = 3,375 gpd <br /> Required Septic Tank Size = 1,200 + 416 = 1,616 gallons <br /> Minimum Recommended Tank Size: (1) 1,500 and (1) 2,000 gallon tank <br /> Disposal Field Design Parameters <br /> Soil Type (table 9.7.2): Silt and/or Sandy Clay Loam <br /> Soil Factor (table 9.7.2): 0.225 <br /> 1,200 gal BTC + 416 gal ADF = 1,616 gallons <br /> Required Leach Line: 1,616 x 0.225 = 364 lineal feet (LF) of leach line <br /> Install four (4) 36" diameter seepage pits = 49 <br /> lineal feet of leach line x 4 = 196 LF of leach line <br /> Suggested New Leach Field Layout: along with (4) 50 feet long leach lines. Total leach <br /> line length = 196 LF + 4 x 50 LF = 396 LF. Please <br /> see drawing. <br /> New Septic Tank Volume: New 2,000 gallon monolithic septic tank with solid <br /> pump chamber baffle and (2) Orenco P1005 <br /> pump and duplex control panel'. Non-pressurized <br /> system. Please see design sheets for more <br /> details. <br /> Pump Size Requirement: See attached pump curve. <br /> ' Mechanical Floats instead of mercury floats. <br /> Please see the attached plans regarding further details of the septic system design and layout. <br /> Responsive a Resourceful ■ Reliable 4 <br />