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<br /> - ------- --- existing grad�:
<br /> bock fill��min.
<br /> »
<br /> 3�to4� layer of uncompac'ed
<br /> hay or straw covered with =o O 4�pipe dia.
<br /> red rosin paper �� fi' �
<br /> _i
<br /> �"�� j��rock filter materiel
<br /> SET- BACKS rake sidewalls � bottom to � �
<br /> remove smearing
<br /> HOUSE System must be� ��_3S�
<br /> Tank .Z�� from praperty lines _
<br /> .�,��� -�qs ,.1f�� ,— 2L' from wells
<br /> � L��.� .�v,,t� �,�;�LL �s2 from bidgs. TRENCH X— SECTION
<br /> 6� },�ti�� �}� ,�}� ����p�� � . (min. of two trenches)
<br /> �,,��rz.. L�vE.� Treatment area � from property lines (mmc. length 100�)
<br /> MANI�oi.�5 -mi�x. �.�from wells
<br /> »."ar �3acr F��� ;��from bldgs.
<br /> .—� , �;from trees , SOIL BOR!NG ELEVATIONS
<br /> � � , ` from lakes a streams At leQst 4 I/2 of undisfurbed earth �
<br /> z �min. ,� g�� � �,.,, �a ` co��Q- TH�I EL.-°+ �`" �
<br /> � . . � betw �_-^'_� .�1 't1�1 (.-�t�„.�l
<br /> 4 dia. � e , ; � � , ; : � ov�� -goc..� � �►
<br /> .. , , , .. TH. 2 EL.- �� s� �- q�o.-L
<br /> `_ �--•-�--•�_� �
<br /> - Tank ' , '"'' �"� �--� a TH. 3 EL-Z�
<br /> Tank t�o� L�v.� �_� ; � , , ; Grode�/o slope
<br /> DroD to Tank J � � ` J �
<br /> �yf t��c,w- 95i3.o „ fi TH. 4 EL-��';<,►
<br /> „ � 30 �E p� C ao'�� TH'S EL:-��
<br /> Min. I to 8
<br /> Max.l to 4 � S�74t��-O� '�E`1�L1-� }yyYyZr:T. _�OY L''F '�1,,,�L`L- '1`t�rJ.U
<br /> n �
<br /> ��cts-��,.�� -�n,��c o�--��u�c-S DROP X �,
<br /> � � x}"g�t�bo� 'P+-�n,� ����.`. u�) So�L Lo:,��<iC �Loo2 `1��.0
<br /> 4 to 6� dia.pipe •
<br /> SYSTEM DESIGN �
<br /> TYPE�S,y BEOROOM - Percolation rate�..min./inch (design -3 o min./inch) ��o�4,�, 5 0�L�
<br /> '� 1� "Roc.�' -�
<br /> Treotment area req�ured /�� of rock filter material et,t+10% �sq.ft. of trench bottom area - ��trench width = lin.ft.of�rench needed , number of drop boxes
<br /> �� determined by�e installer)
<br /> Number of tanks required3 , Ist tank Oo gaL , 2nd tank ecogal. minimums
<br /> _ . �e �3�L� '����-� �-lt��-ti��..
<br /> _ � Clean rock�cu.yds. ( 3/4�� to 2 V2��dia.,includes 2��above pipe) 3 �-� � PROPERTY OF� `-�Z ��`���--�
<br /> (c aS =Y��L�,• . L.`,�l.rL. 2�
<br /> � V�J /�]"P_r��U D Nl l..1 . 1��1-1�l . [�n .
<br /> ' � �
<br /> . � �
<br /> S-P TEST/�1/G/l1lC.
<br /> Note� When constructing trenches , this areo should be shoped Note= Distance from orea to neig�ni�j I!s— p�signed By� ��Y '�' 7 L' �"
<br /> to divert run-off from eniering treatment orea. �'�'� `r`��� �`'L` ' � � �
<br /> Dnte '�/�/_ , PH 512-497-3566
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