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�• � �. <br /> TRENCH ROCK COVERED WITH PERMEABLE <br /> SYNTHETIC FABRIC OR 4'� LAYER OF MARSH HAY OR 4 DIAMETER INSPECTION <br /> „ WELL WITH CAP <br /> PIPE TO NEXT STRAW COVERED WITH UNTREATED BUILDING <br /> INLET . DROP BOX PAF'ER (RED ROSIN) <br /> _ �� <br /> � <br /> EARTH BACKFILL AT LEAST <br /> . (J� 6" AEiOVE TOP OF ROCK ' r <br /> � . . .s������;s; •, � _� � ` <br /> ' DISTRIBUTION . PIPE . ' "� <br /> ; , �.� <br /> �-.c — � c4 <br /> . it�� �� . ,�4 <br /> <<< AT LEAST 6 DEPTH OF CLEAN • � . - ° � <br /> _ �:�. ROCK 3/4" TO 2 �/2' DIA. SEE NOTE 5. � � o �i` <br /> < < < .` <br /> DROP BOX / <br /> — MAXIMUM LENGTH = 100 FEET <br /> OVERFI�L NOTES� I . BOTT0��1 OF TRENCH MUST BE LEVEL. TOP OF TRENCH <br /> -- 4 TO 6 INCHES ROCK MUST BE �EVEL. <br /> INSPECTION <br /> � r ^ � WELL 2. SLOPE ON DISTRIBUTION PIPE IS BETWEEN <br /> � _ LEVEL AND 4 INCHES PER 100 FEET. <br /> RECOMMENDED SLOPE IS LEVEL. � <br /> BACKFILL 6" TO 12" OF ' <br /> SOIL BACKFILL 3. DISTRIBUTION PIPE CAN BE PERFORATED <br /> � �t_ PLASTIC ' INSTALLED WITH ONE ROW OF <br /> < < < L�� y.���._ � NOLES ALONG THE PIPE BOTTOM . PIPE <br /> � �2'� DEPTH OF MU9T HAVE A BEARING STRENGTH OF <br /> �.� �< < < o � ROCK ABOVE AT LEAST 1000 LB /FT. <br /> o PIPE <br /> ROCK AT LEAST 6" OF 4. SCARIFY TRENCH BOTTOM AND SIDEWALLS <br /> ` � AS HIGH AS ROCK Wl�l. BE PLACED IN THE <br /> �� _ ` o � � � ROCK DELOW , <br /> � PIPE: SEE TRENCH IN ORDER TO EXPOSE NATURAL SOIL. <br /> NOTE 5. REMOVE LOOSE SOIL BEFORE PLACING ROCK. <br /> � 18" TO 36" - � 5. 1NHERE TREES ARE PRE5ENT OR LIKELY TO BE <br /> PRESENT DURING THE LIFE OF THE SYSTEM, <br /> 12 INCHES OF ROCK MUST BE PLACED UNDER <br /> THE DISTRIBUTION PIPE. ; <br /> . � <br /> TRENCH CONSTRUCTlOfU DETA ! LS <br />