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INLET FROM <br />SEPTIC TANK <br />OR PREVIOUS <br />DROP BOX --y <br />NOTES <br />OUTLET TO I. ALL ",HOULD BE AT LEAST 4-INCH <br />TRENCH DlAf',.I_-I ER. <br />P EI.(:VATION OF INI F•.T AND SLIF!", * _IN(: TO <br />NEXT DROP t3GX MAY BE ADJIJ`: . ;)P OR <br />-SUPPLY LINF OWN I"OR D(_51RED EFFLUENT L-VEL IN <br />TO NEXT <br />TO <br />BOX 3. ,uGGEST(_D TRENCH LiQUID 1_CVCI_ IS AT <br />—�-- TOP OF I-RENCH ROCK IF PEI!MrkBLE <br />SYNTHETIC FABRIC COVERS ROCK; AT TOP <br />OF OUTLET PIPE IF HAY OR STRAW <br />o COVERS ROCK. <br />4. I14VI71il- OF 114i.I:T MUST BE AT LEAS I ONE <br />INCI4 HIGHER THAN INVERT OF SUPPLY <br />PIPE TO NEXT DROP BOX. <br />TRrNCI iFS MAY OUTI ET ONE SIDE OR <br />BOTH SIDES 01= DRROP BOX. <br />1 <br />SUPPLY I - INLET <br />I � ,--- <br />1 1 _ LINE I �� <br />—SUPPLY LINE <br />OUTI_I_T TO <br />TRENCH <br />5. <br />. _I—i ; 1 ----a, <br />IIff ^�I <br />— I— -- --- OUTLFTS <br />1 1 TO TRENCH <br />DROP BOX <br />>E1 <br />I I OUTLET TO <br />TRENCH <br />Y <br />1� <br />Go <br />