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�y,}vIP SL-LECTI(?Iv PR�=r�i. L'R1;
<br /> A. Determine pump capaci:y:
<br /> � ' E?:0 PERFCR.�'!GN Of .l P�i7f0�i.iiCD I.A'i.RG�
<br /> Gravity Distribution
<br /> 1. Minimum sugsested is 6G0 galions per hour(1G�;pm) to stay ancaa or � y�` ��--�������W�
<br /> water usc:ate. � " �``��e;
<br /> f;' TaDwd �'`v: +
<br /> t:.;� {
<br /> 2. Maximum su�csted for delivery to a drop box o�a r:,-.,e systc^.�is 2,7C0 �•r� • '• ',aY«��c�o.•�,�� r,;eriC�,� �-
<br /> gallons per hour(45 gpm) to prevent buil.'.-up oF�ressurc;n dr��box. • ��a*.s��a��ti°• `�Y^'��•.^'';�;��^-�°•M�°
<br /> . . �.�� ...� rof�n
<br /> .:.-:.-_----•.•�!._. '�
<br /> ' • ",�i..�"Ti!^��ii�-'-- ^.�_. -.. ,��nin� �rdb� IbnNnia��7
<br /> �^:1�� .-.T.` ` , il..I:OD Vror 'oD
<br /> Pressure Distribution `�� , � ��(--�-�_�, �.,,�, ,z•„ c�,S
<br /> .:.`,,•�.;,
<br /> 3. a. Sclect numbcr of perforatcd laterals "3 �,:-' .__a.^_x�,�`�: _ ,.�:::::; °"'��`�°�•'
<br /> b. Scicct perforaHon spacin�_ �, ft. . •�-'..•,.°���^*�°'°'•� °'
<br /> C,ren Sond Loyer ����um e� L��.rai
<br /> c. Subtract 2 ft. from thc rock laycr icnr�th. • �
<br /> .�-�-2 ft.=5�1,2.,ft. ' �.�__-..�-----------..----..
<br /> a laycncagt �-G��C���i SOiI i'�ierly S��nti�d
<br /> B�!arr NiacmQ;cn�lcys�
<br /> d. Dctcrminc thc numbcr of spaces bctwcen perfora;iu�is.
<br /> Length perf.spacing=�i _ft.+�ft.=3_spaccs ;,��;,,�;;�:,�;<roa,�;.o:v��:�c:��ncc�::;�ci�r:.
<br /> e, a�„_spaces+1 =�._perforations/latcral �,
<br /> ' f. Multiply perforations per la;cral by n::r,-;,�r of latcr.�15 to :+c.�d Pcriontiondiair�...riinc�csl _
<br /> get total numbcr of perforations. �/ I �/ ^�
<br /> n � �
<br /> X �...3__ = L�perforations.
<br /> ��sra�s pensi:.��ni ; �,:G 0.7a
<br /> ,� � ?_5 � O.G9 � 0.°0
<br /> g, � X�'_.=-�1SPm•�/3� v�A� �.rn� a.�n � i.��ti
<br /> �n. �pm�pen � '..5 � O.Q9 ` L17
<br /> :t.0 ! 0�•� I 1.23
<br /> SELECTED PLTMP CAPACITY��g�m I .±.r. � ;.�3 �.°''
<br /> 5.0 L�. � t .
<br /> �
<br /> B.Determine head requirements: ,i;ae 1.0�uot of hcad:cr reside�tia:sv;tc:^s,
<br /> 1. ElevaHon difference bet�veen pump and paint of discnarge. ;L:��.a.,�.•c o�r�.�����o��c-r5r-�.�<�-n,p�!s
<br /> � feet `
<br /> 2. If pumping to a pressure distribution system,add fiv�.fect for�:essure
<br /> required at manifold
<br /> �feet
<br /> Pipc Lc-,;.h
<br /> 3. Friction loss r- - ' �
<br /> a. Enter friction loss table with��m and pipe dian�crcr. �'��n'��f D���rs�
<br /> Read friction loss in feet per IOi) fcct from tabi�. I
<br /> F.L. _ �• U ft./100 ft of pip� E�c�ation DilCcrcn�c I
<br /> b. Determine total pipe length from pump to dischar�c � �P:,n:a 1 `6l
<br /> point. Add�percent to pipe lenytl�for fittin�
<br /> loss,or use a fittin�loss chart. Equivalc��t pipr F-l8b
<br /> length-1.25 rimes pipe length= t.s�r,�h 2.0�n�n 3.0 inch
<br /> �_X 1.� =�_f l`Ct �Fm Frir.ion l�s per 106 ft of pipe
<br /> c. Calculate total friction loss by multiplying i ;t'i 0.69 0.20
<br /> friction loss in ft/100 ft by equivalcnt pipe lcnsth. ' t� 0.�6 �."''
<br /> Total friction loss= a. � x S t� +100= � feet t�t i.:8 O.�R
<br /> 16 1.63 0.48
<br /> 4. Total head required is the sum of��lcvation diffcrcncc, ;;; 2.03 0.6�
<br /> special head requirements,and total frictio�i loss. z0 2.47 0.73 0.11
<br /> 25 3.73 i.lt b.16
<br /> (o + S� + I 30 5.23 1.55 0.23
<br /> 35 7.9;� 2,06 0.:�0
<br /> (1) (2) (3C) � -�40-- - ]1.G7� --.-2.64 0.39
<br /> I 45 � 14.73 3�8 0�3
<br /> TOTAL HEAD ��_feet 50 ! 3.99 0.53
<br /> � 5; 4.76 0.:.:,
<br /> � 60 I �.60 O.S�
<br /> :. Pump selection �
<br /> 1. A pump must be s�lected to deliver at least��gpm (Step �)
<br /> with at least 1.�feet of toEal head (Step B).
<br />
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