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<br /> IM1 IYNI�Ni�11fH+ (11 • /yM(Wp1FT1 141FH1�1
<br /> A. 1)��tcrmin� pump cap�city:
<br /> Gravity I)ititnhut�on , , �'-',---
<br /> 1 Mirumum�u�;i-�I��c1 �1[�(Xl�ailuns Fx•r huu� l lli�,E�nil ti, >tav.�hi�ad <il �a` --,1-��_ ��_ _
<br /> w.�t��r u�:e�ratc�. �---,,e.a�e... :."��' ..�......,..F�.� �..,v,
<br /> � b+-�_ ..,_,..,._„
<br /> 2 ti1.�x�mum su�,};e-tih� for dcl�vcry I<i .3 �i�i,��twx c�f .� hc�n1��syst��rn is ?,7(xl /�;, ---l-�-Tf.,---�'M',��� .�..,Q..,..w
<br /> �',�.,,e�.��---�11- .....
<br /> };.�Il��iu Fx�r hour(45�;Pm)to prcvcnt h�ul�l uE,c,t j>ressurc in c�rc�p` 4�. �� ,"
<br /> • lx)k_ RN �_ .�_- '4 {�M� IT���fsy�
<br /> 7�CY�b'(41a. .. � � —_.�11� '� lw.�
<br /> Pressure Uistibution ,,.,..,a,.,,,,�,,,,,
<br /> �,..,,�..�. w.,._.... ..�...�
<br /> 3 a Selc>c�t number of perforated laterals __ "
<br /> b Select p�rforation spacing= feet_ --,-------�•--•�----�
<br /> �a,..,.,L,� ...o...,�„»e
<br /> c. Subtract 2 ft_ from the roc}c layer len�th. �""'°"�"'zi'°�^^
<br /> ,�,,,�,�-2 ft. = feeL
<br /> d. Deternune the number of spaces between perlorahons.
<br /> Length perf.spacing= ft. + ft. - spaces Requimd Perforahon
<br /> e- spaces+ 1 = perforations/lateral „�����c��e
<br /> f. Multiply perforations per lateral by nvmber of laterals to � e
<br /> get total number of perforations_ W�n�, x__�_ _ H�`e,d �7��+ y ad�,.
<br /> ;.-„�.,,�,,- perforarions. ���� .
<br /> n. � x R� �_--gpa'- --- —
<br /> SELEC`I�.�PUMP CAPAC'ITY__I��__ 1_Oa 0_56 0.74--
<br /> sPn� 2.Ob I �_80 I.04
<br /> �
<br /> B. �etern-iine hPad requirements_ - -- ---
<br /> 1. Elevahon difference between pump and point ot dixharge. a. Use ior sin�lc family homes
<br /> ` _feet b. Use for all other applications
<br /> 2- If pumping to a pressure distribution system,five feet for pressure
<br /> required at manifold if gravity system,Zero.
<br /> �_feet
<br /> 3- Friction loss
<br /> a. Enter friction loss table with gpm and pipe diameter. p;p��,g�,
<br /> Read friction loss in feet per 100 feet from table_
<br /> F.L �_f{./100 ft of pipe Point o!Dischazgc
<br /> b. Detamine total pipe length from pump to dischar�e T
<br /> point. Add 25 percent to pipe length for fitting �"'�071 D'ff`�T'�1
<br /> loss,or use a 6tting loss chart. Equivalent pipe P"R'p
<br /> lc�ngth- 1-25 times pipe length=
<br /> ll�D x 1-25 = �Z-S (crt F 18b
<br /> c Calcvlate total friction loss by mulhplyin� 1.5 �r,ch 2.o inch 3.0 incn
<br /> � friction loss in h/100 k by equivalent pipe len�th. �u"' FT�a�'�m`'Q 1O°r`°`P,�
<br /> Tota] friction loss= /2� x 3•2$ +10�_�feet 10 0.69 020 I
<br /> 4 Total head required is the sum of elevation dif(crencc�, �` ��� �28
<br /> 14 L�8 0 38
<br /> � sp�cial head rec�uirements,and total fnction 1<�ss. 16 1.63 O.a8 �
<br /> .\
<br /> � 18 2.03 0.�
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