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. , <br /> P1J]VIP SELECTION PROCEDURE <br /> _ A. Dt min pump capacity: • <br /> Gravity �s utlon Ei� PE�RATbN 0F A PERFORATEO UTERAL <br /> 1. i�ni m suggested is 600 gallona per hour(10 gpm)to atay ahead of o,...e«. <br /> �tfT s!rAt@. 1 T� � 'gl� ` <br /> 2. xi m suggested for delivery to a drop box of a home system is 2,700 . : .. . :. ,.,���.-,..- <br /> �"�,:`: .` • ��: M OwMtM�(�►hir- <br /> �on per hour(45 gpm)to prevent build-up of pressurn in drop box. :�►'. w�„s«r w.. ���.�"�.,.,.��.,« a...�.. <br /> �,..,. . .. :.� �..�..... <br /> Preasu t�l� bution . "� ��""a'N���� <br /> 3. a. l�ct mber of perforated laterals � `'�� : ��'"" '�"�'�' <br /> b. l�ct foration spacing• 3 ft. �; ; :.:'',; . :.., . . •r nKt�.,�.. <br /> ,.:. •►�rlwo�IMn l�oN��1 <br /> s• • CIN�!eM lNN Mnen�N I.�aral <br /> c. lbtra 2 ft.from the rock layer length. �;,�.. � <br /> -2f��.��ft. � �;t;� �.; : ,: , ,,,,;. <br /> . �°���.w n'' , <br /> d. te ne the number of spaces between perforations. . <br /> gt perf:spacing•.(�,{�ft.+ ? ft.��.� space� �`ADIB OF PBRAORA110N DISCHARCFs M Ct�M <br /> e. paces+ 1 = a,-�, perforadons/lateral <br /> ' f. u1H perforaHons per lateral by number of laterals to Head Perforatlon dfameter(Inehes) <br /> �to number of perforations. , , <br /> "� � ' �_(�_perforations. �/3� ' �� �' <br /> t.a �s�7 a�� <br /> ]S Ob9 0.90 <br /> $• x �e-��pm• 2.Ob 0.80 1.01 <br /> � 2�S 0.89 1.17 <br /> SELECTED PLTMP CAPACITY m • 3.0 o.9s 1.2e <br /> a $P 4A 1.13 1.�7 <br /> " s.o i.a� �.bs <br /> B.Dete �he ad requirements: <br /> l. evati a�ffeiet►CE betWE'�n um 8nd lltt Of diSCh1r e. sUse 1.0 foot oEl+esd for raidendal eyttemr. <br /> P P P�' $ bUse 2.0 feet of head[or other atablishmenb <br /> �feet . <br /> 2. I m ing to a pressure distribution system,add �ive feet for pressure <br /> i at manifold <br /> _L feet <br /> 3. rirti loss �'��"g� <br /> ., �nt fricNon loss table with gpm and pipe diameter. Point of Diachvge <br /> �tea friction loss in feet per 100 feet from table: r`'z•s <br /> F.L. �ft./100 ft of pipe �(�" Elevetion Diffetence <br /> De mine total pipe length from pump to discharge I , llpump ���Y' <br /> poi . Add 25 percent to pipe length for fitting . <br /> bss r use a fitNng loss chart. Equivalent pipe p.�gb <br /> len -1.25 times p�length= � •l.s�nch 2.0 inch 3.o;noh <br /> 15.� _ x1.25= �' � feet gpr„ t���..��oond�v. <br /> c �al late total friction loss by multiplying 10 0.69 0.20 <br /> �rf n loss in ft/100 ft by equivalent pipe length. 12 0.96 0.28 <br /> T t�l f tion loss= �.L x 1 ni y +.]00=�=feet l4 1.28 0.38 <br /> 4. T tAl h d required is the sum of elevation diffemnce, jg 2 03 0.60 <br /> s ia ead requlrements,and total friction loss. 20 2.47 0.73 0.1t <br /> ' ' ZS 3.73 1.11 0.16 <br /> �- + � +�'_ 30 5.23 1.55 0.23 <br /> (11 (2) (3c) 3S 7.90 2.06 0.30 <br /> _40 11.07 __;2:6d`' 0.39 <br /> 45 14.73 3.28 0.48 <br /> TOTAL HEAD �feet 50 • 3.99 0.58 <br /> SS 4.76 0.70 <br /> . 60 3.60 0.8Z <br /> - C. P p,se ction <br /> 1. A pu ' st be selected to deliver at least ��gpm (Step A) <br /> with at 1 st � feet of total head (Step B). <br /> �i <br /> �� . <br />