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NOTES <br /> OUTLET TO I. ALL PIPES SHOULD BE AT LEAST 4- INCH <br /> TRENCH DIAMETER. <br /> INLET FROM 'iii' <br /> SEPTIC TANK • . 2. ELEVATION OF INLET AND SUPPLY LINE TO <br /> . OR PREVIOUS NEXT DROP BOX MAY BE ADJUSTED UP OR <br /> DROP BOX - SUPPLY LINE DOWN FOR DESIRED EFFLUENT LEVEL IN <br /> TO NEXT <br /> _ DROP BOXI*: <br /> - 3. SUGGESTED TRENCH LIQUID LEVEL IS AT <br /> —�-- ° al <br /> "---- <br /> TOP OF TRENCH ROCK IF PERMEABLE <br /> SYNTHETIC FABRIC COVERS ROCK; AT TOP . <br /> OF OUTLET PIPE IF HAY OR STRAW <br /> COVERS ROCK. <br /> INVERT OF INLET MUST BE AT LEAST ONE <br /> INCH HIGHER THAN INVERT OF SUPPLY <br /> PIPE TO NEXT DROP BOX. <br /> p4. <br /> OUTLET TO <br /> 1 _ TRENCH 5. TRENCHES MAY OUTLET ONE SIDE OR <br /> BOTH SIDES OF DROP BOX. <br /> —h-- T i _ _ <br /> SUPPLY <br /> I ,--• I INLET <br /> - �� 1 1 I I <br /> SUPPLY LINE <br /> , 1 I NA, . <br /> II.._I _-T- I � <br /> . -3 i II i!� <br /> I OUTLETS - I�' -�- <br /> TO TRENCH L - _ _ - _ J OUTLET TO d <br /> TRENCH oo <br /> DROP BOX <br /> ,= <br />