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, ` f � <br /> �:_�� i <br /> �'. >-'1t '��� °i r j`z� � <br /> t, '2- `�a�. <br /> � � ' � <br /> . � g { ^Y�.'� . <br /> � <br /> Pa�,,g3 L,y v� "���'td�� <br /> � � �:''xF�{���. '^� �,�t,.. <br /> � .� <br /> �-� � 3 <br /> � � x � ��* x �: <br /> ��� �r3} ���;«��'� -� �.��, <br /> , ,,, , �� . <br /> �:,�oc�c�u��. ' . �'. _ ,. <br /> , ���,: 3� � <br /> . <br /> � . k - ���� � �,� <br /> ��'�V' �-�r.i r��i'� _ �.��'a j, ,�". <br /> ,a;�.. .��- .y.;:.. �� <br /> �F "�';�: � �rr-p .t �� : <br /> ��,��}�b�tt,k ,�Y���th�i��e�: � <br /> ���n�i�t���a������oi��gi�r �� � <br /> Y <br />, `+�� �'`'���9�5������� .'` �t4� 'x�� � � <br /> �s =11�'te��'lfsaga. " `` - <br /> .���� � �� ;,� � : �, <br /> 9 7 d�1., �i t- �� J �. <br /> The aatimetea of water uaage madeR�by; FL ` �g������`t�a� � �T. � � , ; <br /> H o w a v e r, ��aed on the recent _e�c p e'�f e " '� tt �.�. <br /> use at the center , it would be quite helpful �nd prudent to i��t'taY l � <br /> a water me�er to monitor actual w�ter usage. Close monitoting o� �` <br /> the system inflow and progression of glow thco p h the ttenches.L, ��� <br /> would be of value in any future chan es or ex anaiona �f the '.. ° <br /> conference center . i <br /> � <br /> 8. Rxisting 3yste. and Routing � . <br /> i <br /> � <br /> The existing drainfield and septic ta�nks numbered #5 and #6 will ` <br /> remain, to serve a design load of 1888 gpd �one la�vatory) . Septic � <br /> t�nka numbered �1 , �2, i3 and #4 ace to be �b�ndor►ed ot r��aov�d. � <br /> Construction of �ew system should tnclude a�y regrading or till Mhich <br /> m�y be necessary to restore any erosion of or d�mag� to the exiatic�g <br /> drainfield system due to its cutrent overfloW status. <br /> RECAP Ol� C8�1NGeS REQOIRED � <br /> 1. During regrddinq of drainfield site, first remove �11 veget�tive <br /> k <br /> cover which could "mat" under fill . After regrading is complet�, � <br /> additionai percolation testing is required to confir� the <br /> percolation rates have not ch��ged. If they have changed � <br /> substantially so as to necessit�te a change in design, submit <br /> proposed ch�nges to City for reviea and a�pproval. <br /> ?.. Direct surface runoff �way from drainfield - "crown" drainfield to <br /> promote runoff. Fill south and southwest ends o� drainfield site � <br /> to a 3: 1 of flatter slope ta minimize potenti�l of sidehill � <br /> seepagc. <br /> '�. Tank cover access port dtsi�n to be approved by City prior to < <br /> installation. � <br /> a <br /> 4. Washed "binder" rock must be used in the trenches. "Crua�hed rock" <br /> or limestone is not acceptable. <br /> 5. Do not compact drainfield trench backfill to a density greater <br /> th�+n the density of the �riginal soili � <br /> � . A w�ter meter to monitor actu�l water usage is highly recommended. <br /> This should be installed to meter only watet which will e�d up in <br /> the s�nit�ry sewer sy�tem. � <br /> ,� <br />