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� � . .. ' , � , PUMP S�LECTIO�i�7•�Tt4��'D�JItE . . . <br /> 1. D etermine pump capacity: '�j�yvl-� -�~ a <br /> A. Gra�tity distribution . . <br /> 1. Minimum required discharge is 10 gpm � � <br /> 2. .Maximum suggested'discharge is 45,gpm. For other� . . . <br /> ..... <br /> establish�ns�ts at leas�10�o gre�ttei��ia�i the water suppl�rate, <br /> but no faster than the rate at which effl�ient will:Qow out of the <br /> disttibutlrna device. . • � <br /> B. Pressure distribution . " ' � � <br /> See pressure�distra'bution work sheet � <br /> From�A or B Selected�pump capacity:=gpn1 : <br /> 2. D etermine pun�p head•requiremen#s: , . <br /> A. Elevatioz�difference between pump and point of clischarge? � � so�t treatment syster <br /> feet . • ' &p i IschargE <br /> ' .�A�4••a��;�:. /J t. <br /> B. Special head requirement?(See Figure at right-Special Head ltcqui'remertts) , tatal Ipe <br /> � � feet . . . lengt . <br /> � inlet ��e�evation <br /> C. Calculate Frictioa loss • p� difference <br /> 1, Select pipe diameter � - 0 in � ' ' ����'� � <br /> 2. Enter Figure E-9 with gpm(3A�or B)aizd pipe diameter(Cl). ..............•----------. ..�....�� <br /> Readfrictionlossirrfeetper100feetfromFigvreE-9 ' Spectal Head �Requirements <br /> Friction Loss= 3•�4� ,ft/•100ft of pipe ravity Distribwtion o ft <br /> 3. Deter�rune total pxpe length from�pump d3scharg�to soil treatment :pmssure Distributlon 5 ft <br /> discharge point.Estinlate by add�ng 25 percent to pipe length for • . <br /> fitting loss. Total pipe length tiales 1.25=equivalent pipe length �.�. F���on Losa in Ploatic Pipe <br /> eet x 1.25 =_�s(o feet • . • Por 100 teet <br /> 4. Cal'culate total friction loss by multiplyirig friction loss(C2) • nomtnat <br /> in�ft/100 ft.b y.the e q u iyalent pi pe•len g,t h�C 3)an d d i v i de by 1 0 0. . � Ipa dtameter <br /> - 3:�-� ft/100ft x�,+100=_ z � ft ' now rato 1.� 2° 3° <br /> . �----�- m <br /> D. Total head required is.ttte sum of e7evatlon difference(A�,speri'al'�' Zb ' 2.47 0.73 0.11 <br /> head requirements.($) and total friction loss (C4) � . 3.73 1.11 0,16 <br /> ft+_���t�_ ,z�,ft= ' . 30 5.23 1,56 0,23 ' <br /> To-Eal head: _��_feet � 6.96 2.06 0.30 <br /> ' ' 40 8.91 2.64 0.39 <br />;. Pump selection � � � 11.07 3,28 o,a$ <br /> � 50 13.46 3,99 0,58 <br /> A pump must be selected to deliver at ieast,,,-��;gpm '. � 4,76 0.70 <br /> (1A or B) with at least,��feet of total head(2D) � � 5.60 0,82 <br /> � 6.48 0.95 <br /> . 70 7.44• 1,09 <br /> I hereby certi�y tY�,at I�ve co �leted this work�in accordar�ce with applicable ordinances, �.rules and laws. <br /> , <br /> � � (sigriature) �`� `/ (license#) � "�S'-'0"Z- (date) <br />