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COMPARTMENTED SEPTIC TANK <br />AT LEAST 1/2 �- <br />BUT NOT MORE _ <br />THAN 2/3 OF DEPTH, D <br />TOTAL CAPACITY <br />wrEs: <br />1. SEPTIC TANKS LARGER THAN 1000 GALLONS AND FABRICATED AS A SINGLE UNIT <br />SHALL BE DIVIDED INTO TWO OP MORE COMPARTMENTS. <br />2. WHEN A SEPTIC TANK IS DIVIDED INTO TWO COMPARTMENTS, NOT LESS 71LO <br />ONE-HALF NOR MORE THAN TWO-THIRDS OF THE TOTAL VOLUME SHALL BE IN THE <br />FIRST COMPARTMENT. ' <br />7. WHEN A SEPTIC TANK IS DIVIDED INTO THREE OR MORE COMPARTMENTS, ONE-HALF <br />OF THE TOTAL VOLUME SHALL BE IN THE FIRST COMPARTMENT AND THE OTHER <br />HALF EOUALLY DIVIDED IN THE OTHER COMPARTMENTS. <br />CONNECTIONS BETWEEN COMPARTMENTS SHALL BE BAFFLED TO AS TO EFFECTIVELY <br />RETAIN SCUM AND SLUDGE. ADF�UATE VENTI`" SHALL BE PROVIDED BETWEEN <br />COMPARTMENTS BY BAFFLES OR BY AN OPENING OF AT LEAST 50 SQUARE INCHES <br />NEAR THE TOP OF THE COMPARTMENT WALL. <br />ADEQUATE ACCESS TO EACH COMPARTMENT SHALL BE PROVIDED BY ONE OR MORE <br />MANHOLES, AT LEAST 2U INCHES LEAST DIMENSION, AND LOCATED WITHIN SIX <br />FEET OF ALL WALLS OF 711E TANK. THE MANHOLE SHALL EXTEND THROUGH THE <br />COVER lU A P:MNT WITHIN 12 INCHES BUT NO CLOSER THAN SIX INCHES BELOW <br />FINISHED CRAOL. THE MANHOLE COVER SHALL BE COVERED WITH AT LEAST 6 <br />INCHES OF EAVTH. <br />6. WHEN MULTIPLE TANKS ARE USED TO OBTAIN THE REQUIRED LIQUID VOLUME, THE <br />TANKS SHALL BE CONNECTED IN SERIES. NO MORE THAN FOUR TANKS IN SERIES <br />CAN BE USED TO OBTAIN THE REQUIRED LIQUID VOLUME. THE FIRST TANK SHALL. <br />BE NO SMALLER THAN ANY SUB9EQUF.NT TANKS IN THE SERIES. <br />