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�. , . � , PUMP S�I.�CTIO�I�T•�'1ZaC�'D�ItE . . . . <br /> 1. Determirte pump capacity: � � � <br /> A. Gravity distribution . . . <br /> 1. Minfaium required disc�arge is 10 gpm • . <br /> 2. .Maximum sngg.ested'discha�rge is 45 For other� . . . <br /> SP.� <br /> establishmeats at Ieas�1�°�o g•re�te= ��hari the�water supply�rate, <br /> but na faster than the rate at which effl�ient wIll flow out of the � <br /> distt�'butioa device. . . . <br /> B. Pressure distributivn . " . ' � � <br /> See pressure•distribution work sheet � <br /> From�A or B Selected�pump capacity: �- � gpm : <br /> Z. D etermine pump head�requiremen#s: . . <br /> �. Elevatirnn differeace between p1m1p and point o#clischarge? ' � son treotment systE <br /> feet . • ' &p Int f ►schorc <br /> O�.a,.,�y..�. 9� <br /> 3. Special head recluixement?(See Figure af right-Special Head 1Zequi'remercts) , total ipe <br /> S feet . . . lengt • <br /> � • � � Inlet �.elevatlon <br /> .. Calculate Frictiori loss � , p�� dlfference <br /> . . . • . . . . ....... .. . . <br /> 1. Select�ipe diameter a-o in_ � ' ' � <br /> .• .......... . �o <br /> • . . .............. ..�.... <br /> 2. Enter Figure E-9 with gpnl(lA oi B),ai1d pipe diameter(Cl). . <br /> Read frictiva Ioss irr feet per 100 feet from Figttre E-9 ' Sp e c t a I �H e a d �R e q u i re m e n t s <br /> Friction Loss=�.,ft/•100ft of pipe Gravity Distr�button o ft <br /> 3. Detexzr�ine total pxpe ler,�gth froai�pump d3scharge to soil treatment :p�ssure Dtstr(button 5 ft <br /> discharge point.Esfiazate by adding 25.percent to pipe length for � . . <br /> fitting loss. Total pipe length tinzes 1.?S�equivalent pipe length ' ' <br /> a o�.c� feet x 1.25 =��eet • � �•9:FdctJon Loaa tn Plasttc Ptp e - <br /> 4. Cal'culate tota2 friction loss by multiplying friction loss(C2) � • Per 10o i0et <br /> in�ft/100 ft.by.the equiyaleat.p' e•length�C3)and divide by 100. . • • riomin�al <br /> = 3• l� f t/1 0 0 ft x +1 0 0= 1� � � f t ' <br /> tlow rate �.�fp°dZamete3�� <br /> . • • - m <br /> . Total head required is.the sunl of e�evatioa difference(A�,speci'al�` 2� ' 2.47 0.73 � 0.11 <br /> head reqt:irements.($),and total friction loss(C4) � 25 . 3.73 1.11 0.16 <br /> 1�l• ft+ `� ' ft-t�l c�ft= ` . 30 5.23 1.55 0.23 ' <br /> Total he�ad: �y `feet , � � e.96 2.ob o.so <br /> 40 8.91 2.64 0,39 <br /> Purnp selection , � � �___ >>.o� s.28 o.as . <br /> ' S0 13A6 3,99 0.58 <br /> A pump must be selecfied to deliver at ieast_. .4, �I � •�m - � 4.76 0,70 <br /> � � 5.60 0.82 <br /> (1A or B)with at least 3 4 feet of total head(2D) ' � 6.48 0.95 <br /> . . 70 7,44 1,Q9 <br /> hereby cerHfy that I have comp�eted this work�in accordar�ce with applicable ordinaiices,:rules and laws. <br /> �� �� � ' Esignature) 3�'1 � (license#) (A--1 r?:-o-i___ (date) <br />