Laserfiche WebLink
pirn;tp��ECII�N PROCEDURB <br /> A. Determiae puatp eapadtp: <br /> Gravitq DiatribuHon <br /> 1. Miaiatum auggestecl is?A gpm <br /> 2 MttXiatttal auggested is 45 gpnl Pnfaratlon ia GYM <br /> Had Pafontlon diaauter ' <br /> Pressure D3atlbntion Eac t�ehes <br /> 3.a. Select nuasber of perforated laterals= 7 2 � 4 <br /> b. Select perforatioa spacirig: 3 fa� �.oa O.sb' 0.74 <br /> c. Subtract 2 ft.ho�n the rock laya length. �.s o.69 0.90 <br /> S 5 -2 it==fee� , zob o.so i.o� <br /> d. Dete�rali�ne the nutnber of apacea between pe:forations. a vr�lA foot��hoa+a. <br /> Leagth perf.apadng=�ft.+�s._�•12.sPaces b U�e 2A het toe anyt�►g e1�e. <br /> e. �apaas+1��_Paforatio��lateral� <br /> f. Multiply perforattona per laberal by nuanber�f laberaLs to �� �i <br /> get total avatber of perforations.� x .�� 5 .Pe:fosa�dons. <br /> 8• �r X '�'=},�gpm' <br /> SELBCTfiD PUMP CAPACTTY* �0 ggm <br /> B.Determine head nquiremenb: <br /> 1. Elevation differaia between puanp amd poiat of discharge. <br /> _�_feet <br /> 2. If pumping tc a pressure dist:ibu�ion aystmt,five feet for pressure s°"°"m"""r"°' <br /> requir�d at ma�ifold if gravity tem,zero. ' � �''-� <br /> �feet '�a�'�'�' <br /> 3. Frictioa loss <br /> a. Enter hiction loss table with gpm and pipe diameter. a.r.�,cur.�..+« <br /> Read Eriction loss in feet per 100 feet from table(F-14). a�' ,,,._„ <br /> F.L= �.� fti/100 ft of pipe ' . . ................ : 6� <br /> b. Detera�ine total pipe leagth froat puatp to discharge ....................• <br /> po3nt Estiaute by addiag 25 percait to pipe length for�itting <br /> loss,or uae a Htting losa chart(F-15__feet). <br /> Equivaleat pipe length-1.25 ttmes pipe lengtl�_ . • • <br /> _1?4 x�.25•��Eeet Friction Loss in PlastiC Pi e <br /> c. Calculate total friction loss by multtplyiag <br /> ixictlon loas in h/100 ft by equivulent pipe length. pi�1 <br /> Total friction losa: �,_�_x; �=100;= � feet <br /> 4. Total head required ia the sum of elevatlon diiference, �ow�� 1.5" 2" 3" <br /> spedal hesd requirements,uu►d total friction loss. <br /> SP� <br /> 20 247 0.73 0.11 <br /> �_+,�+�_ ?S 3.73 1.11 0.16 <br /> ' (1) (� (3c) 30 .5.23 1.55 0.23 <br /> 35 6.96 206 0.30 <br /> 'TOTAL HBAD . �O feet 4�S 119� � 0 48 <br /> � 50 13.46 3.99 0.58 <br /> C. Puatp selection �� , s 60 o:s2 <br /> 65 6.48 0.95 <br /> 70 7.44 1.09 <br /> 1. A pump�must;be s'elected�to deliver�at�least` , <br /> _�gpm (Step A)..with:at;least '��_feet�of total�heati(Step B). <br /> i <br />