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' <br /> SCALE <br /> ' 1" = 30' <br /> MINNETONKA POWER SQUADRON <br /> BIG ISLAND; CITY OF ORONO <br /> � <br /> 1 <br /> 1 <br /> 1 <br /> ' 1500 GALL�N TWO C❑MPARTMENT 1500 GALLON TWO <br /> FIBERGLASS TANK WITH A SCREENED COMPARTMENT FIBERGLASS <br /> VAULT PUMP SYSTEM IN THE SECOND <br /> ' COMPARTMENT TANK <br /> ' 2' EFFLUENT <br /> SUPPLY LINE <br /> PROPOSED <br /> , DR�P B❑XES CTYP.) BUILDING <br /> ' o 0 <br /> 0 <br /> ' 4' PVC SEWER LINE <br /> ' ECK <br /> ' PR❑POSED DRAIN FIELD <br /> CS) TRENCHES = 792 SQ. FT. <br /> GRAVELLESS CHAMBERS <br /> MAXIMUM EXCAVATIDN DEPTH = 2 FEET UPHILL SIDE <br /> ' TRENCH WIDTH = 3 FEET <br /> TRENCH LENGTHS� <br /> TRENCH #1 = 55 FEET <br /> ' TRENCH #2 = 47 FEET <br /> TRENCH #3 = 50 FEET <br /> TRENCH #4 = 56 FEET <br /> ' TRENCH #5 = 56 FEET <br /> ' J B NO. 5032 FIGURE 2 <br /> O <br /> 1 <br />