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',,. ..,,,, Marion County <br /> -- _ OREGON SEPTIC SYSTEM REQUIREMENTS AND FIELD NOTES <br /> PUBLIC WORKS <br /> Design Flow 450 GPD <br /> Initial System Repair System <br /> System Type:Standard Equal w/ HydroSplitter System Type: ATT W/ 6" Capping Fill <br /> Field Size: 375 LF Field Size: 135 LF <br /> Size Factor: Size Factor: <br /> 125 LF / 150 gal. 45 LF / 150 gal. <br /> Install Depth (inches) Install Depth (inches) <br /> Min 18 Max 24 Min 12 Max 18 <br /> Special Requirements <br /> Repair area is ATT due to limited soil depth over fractured bedrock <br /> see OAR 340-071-0290(d). Initial system could be Standard Serial @ 24" min/max <br /> Notes & Landscape Features <br />