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_ ����� � �fc'� '� �,' t� �a �'L� ,Y�w <br /> E-16 - <br /> /,�- , _ � . <br /> �'�'1,�z ;--� �.�.-��— /oc�c 2 s ' <br /> �-�-� y � � , � /. �; ) <br /> j Figure E-17: Pump Tank P�99Yback piug in <br /> � S ecifications we8lherpro0t GOSure � <br /> P or m nouse basemen� <br /> � � ;�cv.er s..ap�y aiarm wire <br /> iunion or other qu�ck- [ <br /> ; �crnro; :..re disconnect fitting � <br /> � <br /> ' final grade . <br /> I <br /> �� � :t: :4':�1: :1:� .:Ni <br /> � � <br /> atarm float on separate > <br /> elecv�cai circuit � : <br /> 9 „ � '"�',� � <br /> : � :� , ���3-��9 � <br /> . . � t � <br /> . <br /> . .� , ��tan;eve� �--� i. <br /> . i ,; <br /> 7�;� " ( 1 Q� `� � 3w � block to elevate <br /> � shut_o(iTevei ; � pump from <br /> '� � _ " tank bottom <br /> pump cqntrol float � �� <br /> �� � ��° �aQ� . <br /> � .,-.,.. .,.. .: <br /> reach�s h.�i�r r4�_ Liu,� �ni�euit (the rm�r};�ncy level). Pru}?er <br /> dosin� �.�nk con,�ruicic��}, plac��mint ancl �izing must be <br /> considere�i to en,urr reliable sYstem �peration. <br /> The d�sin� tank ��n�tructiuiZ r�c�uir�me►lts are tlle same as for <br /> sewa�e tanks. Tl�c� tank must be durable and watertight a�1d mu,t <br /> ���ith,tand th�� �uil lu.��i�, ��•hich tcand c� ptish in on the �valls. Tht� <br /> r�1�-ir�nmritit iiz �h�� t.�nk, i; ���rv ct�rr��ivr, ,u �io metal parts �r <br /> fittin�;, ;huui�t bt• u,�•.i. Thr m.�jur �iiffrrrn�e bt�t�ve�n a �c��tic � <br /> tank an�i a �ic�sin:; t,ink i; tl}at tEir �ic�sin�; tank �vill be ei�i}.itie�i ui� <br /> a dail�� ba�i;. 5in�e th�� taiik ���iJl ti� �mptied ev�ry day, ai��hurii��; <br /> it a�ainst flutati�>�Z i, criti�al ii� areas ��ith a high seasonal or <br /> perma�lent «•atr�- tabl�, �vhere mounci svstems, which rec�uire <br /> pressure ��iscributii}�l,,�re �ften used (see Figure E-16}. <br /> , <br /> E�}surin� that tit�• �iu;ii�� t�jill: is �vaterti�ht is also criti��l. 1!� <br /> area� +.•ith � iligli �r�»��na} �r permanzttt water t�ible. <br /> �round��•atc�r ��ia�• le:�i: incu tlle �o�in� tank and overl�ad th�� <br /> 5VSte111. TIl�° seal, aruund th� pipes that enter and exit the dosin�; <br /> tank are especiallv vulrierable to leaks. lf the pump is running <br /> mure thac� the F���� mi!iuces a day it take� to pump out the <br /> acci.�mulat��d �e��ric c�nk effluent, gruund�vater may be leaking <br /> intu thr ��ptic t�nk �,r �t�,in�; tank. '. <br />