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M1 / <br /> t � <br /> ' �.. � • � <br /> � TRENCH ROCK COVERED WITH PERMEABLE <br /> SYNTNETIC Fl`.BRIC QR 4" �AYER OF MARSN HAY OR 4" DIAMETER INSPECTION <br /> PIPE TO NEXT STRAVV COVERED WITH UNTREATED BUILDING <br /> INLET DROP 80X PAPER (RED ROS1N) WE�L WITH CAP <br /> ..— - ' -Y� <br /> EARTH BACKFILL AT LEAST <br /> . �J 6" AQOVE TOP OF ROCK <br /> �� . . •s��c.< <� . . �.c :�, c ° . <br /> - ' Di5TR18UTI0N . PIPE. � � `<< � <br /> - <<`• �AT LEAST 6" DEPTH OF CLEAN • � � . � `�4 <br /> . � �;�, ROCK 3/4 TO 2 �/2 DIA. SEE NOTE 5. ° 4` <br /> �� � � o <br /> c. . . r .-�r . , • . <br /> DROP BOX � � � , � <br /> � —MAXIMUM LENGTH = 100 FEET <br /> OVERFILL NOTES� 1. BOTTOM OF TRENCH MUST BE LEVEL. TOP OF TRENCH <br /> — 4 TO 6 INCHES ' ROCK MUST BE LEVEI.. <br /> INSPECTION <br /> � � -' � WELL 2. SLOPE ON DISTRIBUTION PIPE IS BETWEEN <br /> � , LEVEL AND 4 INCHES PER 100 FEET. <br /> �� a� RECOMMENDED SLOPE IS LEVEL. � <br /> BACKFILL 6 TO 12 OF <br /> 501� BACKFI�I. 3. DISTRIBUTION PIPE CAN BE PERFORATED <br /> • �_ PLASTIC INSTALLED WITH ONE ROW OF <br /> <<. �� . �� �. �. �;���._ � HOLES qLONG THE PIPE BOTTOM. PIPE �� <br /> o �2" DEPTH OF MUST HAVE A BEARING STRENGTH OF <br /> �,��.` < < o � ROCK ABOVE AT LEAST 1000 LB/FT. <br /> o PIPE . <br /> ROCK � a AT LEAST 6'� OF 4. SCARIFY TRENCH 80TTOM AND SIDEWALLS � <br /> . �L . - ` o � ��ROCK BELOW AS HIGH AS ROCK WIIL BE PLACED IN THE <br /> PIPE. SEE TRENCH IN ORDER TO EXPOSE NATURAL SOIL. <br /> � NOTE 5. REP110V� LOOSE SO1� BEFORE PLACING ROCK. <br /> ' 18" TO 36" - . <br /> 5. W�'NERE TREES ARE PRESENT OR LIKELY TO 8E <br /> � PRESENT DURING THE IIFE OF THE SYSTEM, <br /> ' 12 INCHES OF ROCK MUST BE PLACED UNDER <br /> THE DISTRIBUTION PIPE. �'� <br /> � <br /> - TRENCH CONSTRUCTi�N DETA ! LS <br /> � � : <br />