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��is�� .�� <br /> �..o i�w� -CvF�o�tr. �-1�+��d o�+C�x„oEc� �-. — -�— — —— <br /> ----- --- ��9 9rad2 � isc.c.�L� <br /> bac�'m;��c�c,''�� W)�'�-t:,�a� <br /> ��o c,�•Kos • <br /> 3�to4�� layer of uncompocted � a.', <br /> ' hay or straw covered with-� O 4 P�Pe dia. <br /> r2d rosin poper i � <br /> -� <br /> L�rock filter materiol <br /> I SET- BACKS rake sidewalls � bottom to � � � r � <br /> i m,n ao wlti� � <br /> remove smearing � <br /> I HOUSE System must be� {�--�'36--+� , , <br /> Tank � from property lirres �5 � 4 - �' <br /> �� � ,�,.��E�,�� ..2i from weils ', �,;�� <br /> �.����,.{ 34 from bldgs. TRENCH X- SECTION ��'"�`'� <br /> f u,�f,�:<.ti-R u.�; <br /> �„�ui' (min. of two trenches) <br /> Treatment area � from property lines (mmc. length 100�) 1?.�-����-`e� �-¢�'-�� . <br /> MAN4�o�s -ml�n. 2��,from welis <br /> },,��or ,3�K ���� ao from bldgs. SOIL BORING ELEVATIONS <br /> _� �;from trees <br /> 94 � � � � � 1� from lokes a sireams At least 4 I/2�of undisturbed e�th <br /> � ' ��4�betweert�tren � i <br /> �min. 4�dia. i qt.S , � � ; , ;- �, TH.�I EL.-�...o <br /> EK�s�i'�„ ---�, ;- ' � TH. 2 EL. -�._� <br /> F,.�,�,.,� �__� � <br /> Tank�'y Tank ��__� ' _c�_��---, GrodeJ�%slope TH K3 EL.- P,, <br /> Drop to Tank rc�-«ti� L�ra� �s� -�' '"-' �--' TH. 4 EL.-_3L.Q <br /> -�'wG-'u��k. _{w-.91,b � �a,''-to ����o �� TH.'5 EL.- <br /> Min. I��to 8� ���c��-�-p A� • Fa�is�C>>--�e�'„��-�'. <br /> Max.l"to4' DROP BOXES ��.Q o� „ ,� —9y._ <br /> 4�to 6��dia. pipe <br /> SYSTEM DESIGN <br /> TYPE�S,�j BEDROOM - Percolation rate �•U min.�nch (design � -?� min./inch) (.�-e�`^'� �`�- <br /> Treatment orea required w/� of rock filter material`�01+10% =��1 sq.ft. of trench bottom orea needed =.?��� trench wid?h =�'%•-� lin.`t.of trench needed , number of drop boxes `'� <br /> (to be determined by the instoller) <br /> Number of tanks required� , Ist tank o�� gaL , 2nd tan �ry�go�. minimums . <br /> � Cleon rock�cu.yds. ( 3/4�� to 2 I/2�� dio.,includes 2��above pipe } PROPERTY Or��-��-`� ����`i�� <br /> !�,2 � �J O. C"t��?-?T�L:Ut= <br /> . � "7���lf� 1,n� �.��✓.�'S�;� n� <br /> • S—P TEST/NG /�11G: <br /> � Note= Dis!ance from treatment oreo to neighboring v,eiis— upsi ned B � ��� �� L'— <br /> Note � When corst�vcting trenches , his areo shoufd be shaped L���� ���� !D,� ' 9 y <br /> io divert run-off from entering treatment area. Do!e �L�/�lG.r� PN. 5t2-497-35F <br />