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..�, <br /> i ' <br />� <br /> - ------- --- existing grode <br /> bock fiil 6��min. • <br /> � - 3��to4'layer of uncompocted ��t , � � <br /> hay or straw covered with _ � 4 pipe dia. . <br /> . � red rosin paper � . <br /> . _i � <br /> � � ��rock filter material . <br /> SET- BACKS � rake sidewalls 8� bottom to � � <br /> remwe smeoring <br /> HOUSE System must be� � ���_��� ' . <br /> � Tank L� from property lines . <br /> � from wells vN�,aKL� ' ' <br /> .� from bldgs. TRENCH X- SECTION <br /> �T x����-�ti, �-�� �-,,,,P - '�u - (min. of two trenches) . <br /> t� �-�wF,� LE��c � TreatmeM oreo �_� � from property lines�+�w a,��E-- (mmc. length 100�) <br /> MAN��ot...E� -n�/�x. ���from wells vaw�+��� - <br /> ��"oF r3ac,c F� ..:��from bldgs. <br /> . —� �;from trees , SOIL BORlNG ELEVATIONS <br /> � '� � ' , — from lakes 8 slrenms At leost 4 I/2 of undisturbed earih <br /> min. � , between trenct�es TH�I E L.-Q�• 3 <br /> - — �� _ <br /> 4 dia. ' � ; � � � , � a <br /> �_-; ----�._.�� TH. 2 EL.-��.� <br /> � <br /> Tonk � " �•--, __� <br /> , <br /> Tank �__� � � � � , � Grade 3 %sbpe TH. 3 E�- � • . <br /> Droa to Tank . � � �-� '--� �--� TH."4 EL-Q�.� <br /> Min. I"to8' ��" p��w� ��"c��.� TH.`5 EL.- <br /> Max.l��to 4� y` �� ��� <br /> DROP �OXES <br /> 4��to 6'�dia.pipe � . <br /> SYSTEM DESIGN ¢SS,S•,•,.co <br /> TYPE^��6EOROOM - Percolation rote '- min.lnch (design.1� -3'u min./inch) Su 5 aa•1�ol�.� <br /> Treotmerit areo requi�ed w/.� of rock filter moterialy�c�+t�6F'�-=— sq.ft. of trench bottom area needed =_'�trench width= Im.ft.of trench needed , number of drop boxes <br /> � ' (b be deterrruned by the installer) <br /> Number of tanks required3 , Ist tank �onc:gol. , 2nd tan obagal. minim�rns <br /> • � <br /> Cle� rock�cu.yds. ( 3/4'�to 2 I/2��dia.,includes 2��above pipe) � �-�i�15_-s�.s��m_4Q���oT,,,-,E_�_..s-sc�--� PROPERTY OF:?0la� LaA�o�►��- ; <br /> ct-_Lo[1�-�.__GaD'�s �- Yr!vsrT Cb'� I�PPI�AJL•� L-1 4�C.- L O�1 La L41�.'� 8 t�VC� <br /> _Lz`-f--�'1'�'`-t---V�F�cu�L.S PF�o�-TU ►!-�'�'�FF L.�17-�!.� � ' <br /> C e O�' �� 1�1 t 1 !-����1. Q 0 � <br /> . . ! <br /> . S—P TEST/NG /N ' ' <br /> - Note� When oaistrucfing trerx�es , this area should be shoped Note= Distance from lreatment area � nei�hborinq wells— Designed 8y= �f'-��-- �• �' ` <br /> to divert nm-off trom entering treatment arec. �g��-1-�3=T-�-� 14-91 /OD . • <br /> Dote�11/1��, �. 612-497-3566 i <br />