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VERTICAL SIDEWALL SEPTIC TANK <br />FINISHED GRADE <br />,AT LEAST 6" TO I " SOIL <br />I 4" DIA. ,. OVER <br />MI AT LEAST I AT <br />AT LEAST <br />3" <br />AT LEAST <br />4" DIA.— <br />LEAST I" <br />A <br />DIMENSIONS <br />FOR TANKS WITH VERTICAL SIDES <br />WIDTH W <br />24" MINIMUM <br />LENGTH L <br />2 TO 3 TIMES THE WIDTH <br />DIAMETER <br />60" MINIMUM <br />DEPTH. D <br />30" MINIMUM, 78" MAXIMUM <br />A <br />0.2 D <br />B <br />6" MINIMUM; 0.2 D MAXIMUM <br />C <br />0,4 D <br />AT LEAST 4 <br />NOTES: <br />1 . SANITARY TEES AT LEAST 4 INCITES IN DIAMETER <br />2. THERE SHALL BE ONE OR MORE `AANHOLES. 20' <br />LEAST DIMENSION AND LOCATED WITHIN 6 FEET <br />OF ALL TANK WALLS. <br />3. AN INSPECTION PIPE OF AT LEAST 4 INCI IFS <br />DIAMETER OR A MANHOLE SHALL BE LOCATED <br />OVER BOTH THE INLET AND OUTLET DEVICES. <br />THE CENTER LINE OF THE INSPECTION PIPES <br />SHALL BE THE SAME AS THE CENTER LINE OF <br />THE BAFFLE OPENINGS OR SANITARY TEES. <br />. C <br />6" <br />I <br />FEET so I <br />A THIRD INSPECTION PIPE MUST BE LOCATED <br />BETWEEN THE INLET AND OUTLET BAFFLES. <br />4. MANHOLE COVERS SHALL BE LOCATED WITHIN <br />12 INCHES BUT NO CLOSER THAN 6 INCHES <br />BELOW FINISHED GRADE ANO COVERED WITH AT <br />LEAST 6 INCHES OF EARTH. <br />5. SEPARATKNJ DISTANCE BETWEEN END OF INLET <br />PIPE AND NEAREST POINT ON BAFFLE SHALL BE <br />NO LESS THAN 6 INCHES OR NO MORE THAN 12 <br />INCHES, <br />6. FOR HORIZONTAL CYLINDRICAL TANKS DIMENSION <br />A IS 0.150 AND DIMENSION C IS 0.35D. <br />