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� n , �;�`,�u. :. �.�. <br /> yi'�.0 �Y ���� - <br /> iy.��n $ r, :."rl �,'�1•�'}Sp��{y �. <br /> ' a a q�"� <br /> Y�. ...� .W+�H i�R�?' .. - � . <br /> " ��� � y� �_ <br /> � i' � � � '1 -r'`�'#.i'1.7�a' <br /> •. ��� � <br /> . .� " P`�;„�"� � .' c. <br /> $+y K s�'• ,. f� *�`'�:�t� � e �n`�"� �� di <br /> . .� a �"�, "r�. '��'-._ 'k"." <br /> � � � � ' � � � � 6t <br /> . �. �'#ieot�`q�f�r►ai�`�o�i� b�,��ng��: ��, ���: <br /> �;r�;e��evat�on�r°,••herrc�ne�Ghar�e���ih:�d+�p =� <br /> �: � <br /> _� �.y,a�s��a r+�sult�a��th+��qtedi:i� . <br />�..�� . � . �M'. � ��'�'S ' � �. } y �K <br /> r.�. � ; ..;- . �. .... . . t�-� q " <br />' 2.�»�3YSits tacatfon. Setbscks��� � <br /> , ���� <br /> { � <br /> 6' �. .. � �T:�� i .ia t� � %fi� Ar�'��i - <br /> Rt, �} a aii���>�41��a•��Ci�� ���Q�#�i���`V������Ab �S 4 <br />��� �'�. �, . <br /> x : <br /> , sx��.. .� Y� rari�th���retl�ar�ds;ba�t���ir�' � <br /> _� .,_ , .., v . ., �. <br /> � � � �;, <br /> a� W� t�t��� ��1'� <br /> � <br /> }��, . ,,. <br /> ; : ; . ., _ <br /> - - ,.;. . <br /> ''7��'(r f , <br />�,5. �M t`����'1����t���� f"�!;< . _ z , . <br /> �.YproposecT wells, which is ,=acce�pt�i'h1�.�4���t �'��`� <br />' ..�aPpe�rs to be at lea�at :125' fr�ora i��3a'�inq�a�p �"t�inl�' , <br /> remain in use. The proposed system appe�rs to be in coedpifanee <br /> with all sanitary setbacks currently in effect. <br /> 3. Drainfield Site Drafnage <br /> As per the City Engineer 's review, the dra�infield is located in a <br /> depression which may direct surface wrter toward the drainfi�ld. <br /> Surface water should be directed away from the draintield. In <br /> addition, the drainfield should have a crown Co remove sutfac� <br /> w�ter j however , this crown should be such that no trench has leas <br /> than 12" or more than 24" of actual cover above the rock layet'. <br /> Also ds per the City Engineer •s review the final grade at the south <br /> and southwest ends of the drainfield approdches SA:. Thia area <br /> should be filled to insure no sidehill seepage occur�. A slope <br /> 3s1 or fla�tter is suggested . <br /> 4. 8fptic Tanks <br /> Capacity - OR as proposed . Total c�pacity �500 gdllons. <br /> Design - OK es proposed - Notes inspectio� pipes n�uat �xt�nd <br /> above ground surface. Cleanout manholes requitedt mu�t extend to <br /> at least 6"-12" below surf�ce; it is highly recommended tAat <br /> cleanout manholes be extended above fina�l grade for ease of <br /> maintenance eccess. Secure covers on manhole� requited. Tank <br /> cover aecess port design to be approved by City prior to <br /> insta�llation. <br /> 5. Diatribution Syatee <br /> Drop boxes as per proposal . Eight combination distr ibution/drop <br /> boxes, each box distributing to 3-18A• x 3' trenches. Serial <br /> system. <br /> 5. Drainfield Ttenches <br /> Praposal fndicdtes 12" rock depth below 4" pipe, 2" over pipe, 36" <br /> wide trench; cover includi�g topsoil to be 24" (maxinum cover may <br /> not exceed 24") . <br />