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� <br /> 470 BIG ISLAND SCALE <br /> CITY OF ORONO 1" = 30' <br /> HENNEPIN COUNTY, MN TOP OF IRON IOO.o <br /> PROPOSED DRAIN FIELD <br /> (10) 3' X 19' TRENCHES <br /> 3 INFILTRATOR GRAVELLESS <br /> CHAMBERS/TRENCH ee 9a. <br /> 30 CHAMBERS TOTAL <br /> 570 S�UARE FEET EE 96.4 <br /> DROP BOXES <br /> (TYP.) <br /> 2" EFFLUENT <br /> SUPPLY LINE <br /> EE 94. EE 96.4 <br /> � EE 92.0 <br /> PROPOSED 1500 GALLON TWO <br /> DRAINAGE � COMPARTMENT SEPTIC TANK <br /> SWALE �91 WITH A SCREENED VAULT PUMP <br /> SYSTEM IN THE SECOND <br /> COMPARTMENT <br /> 4' SCH 40 PVC SEWER <br /> LINE EE 100.80 <br /> MAIN FLOOR <br /> EXISTING <br /> 2 BEDROOM <br /> CABIN <br /> OWS LOCATION <br /> JOB NO. S03G005 FIGURE 2 <br />