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• � E-4 • <br /> � LAYER OF GEOTEXTII.E LOAMY SAND CAP <br /> FAB:IC PERFORATED LATERAL <br /> GRASS COVER 6 INCHES <br /> CLEAN SANQ F{�L , TOPSOIL �� <br /> _� <br /> MAXIMUM SLOPE —�- y� ° � <br /> 3 TO I <br /> � � � C�EAN ROCK 4" <br /> ' TOPSOIL P�OWED OR �4 TO 2 '/2 INCHES % SLOPE <br /> D�SKED SURFACE , <br /> �� SUBSOIL . <br /> CROSS SECTIO A - A <br /> ' PIPE FROM <br /> PUMPING CHAMBER <br /> , li <br /> � W � � ii <br /> r <br /> o . <br /> .' � <br /> �,- - r-1 <br /> � ; , <br /> I � ; � I �� � <br /> PERFORATED ' � � I �' <br /> � �ATERALS � � � � � <br /> i i � I <br /> , - <br /> i � � <br /> � i ' ; I II , <br /> . I I � � . <br /> i � � <br /> I � 'I ; _ <br /> 8ED AREA I � � ' ;Z � ' <br /> � � --- � I Z . <br /> '---- ' ' I w <br /> ' � J <br /> ; I � i � -- <br /> i i � <br /> i i i � � ' <br /> � , I i w � w ; I W� : A, <br /> i = � = i � <br /> - - I � U � V � I - - <br /> t Z i Z ' . <br /> 20 � � o � o � � 20 <br /> . INCHES I � ��a' � INCHES ._ <br /> � � � � <br /> I ' ' ' I <br /> _ , � � <br /> � � ._ <br /> � � � <br /> ' (_'— _. '—� <br /> . D�KE �� 10 FEET p I KE — <br /> MAX. <br /> TOTAL WIDT , . , \` <br /> . , . , • . , . i i l • '1 ` , <br /> � � ( �� <br /> PLAN IEW <br /> ; ,I <br />