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__„-� OREGON Marion County SEPTIC SYSTEM REQUIREMENTS AND FIELD NOTES <br /> —�_ <br /> Illil <br /> PUBLIC WORKS <br /> Design Flow 450 GPD <br /> Initial System Repair System <br /> System Type:Capping Fill Serial drain field System Type: ATT with gravel-less absorption <br /> Field Size: 375 LF Field Size: 125 LF <br /> Size Factor: Size Factor: <br /> 125 LF/ 150 gal. 125 LF / 150 gal. <br /> Install Depth (inches) Install Depth (inches) <br /> Min 18 Max 20 Min 12 Max 14 <br /> Special Requirements <br /> Total trench depth after cap and fill must reach 30" <br /> Notes & Landscape Features <br /> Repair area will require electrical, and a audio/visual alarm. <br /> Capping fill must be the same of 1 textural class finer than the native soil. <br />