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� , <br /> �� ' ['EZESSUKE UIS�i�RI_I3_l��I�l(_)N SYtiTCM �,�•„���xt�i��t�t,r�� <br /> � <br /> l �c�lei t numhc�r c�f perfc>ratc�d latc�rai� ___ _ 3__ 1? " <br /> ')uartcr inch �erlorahons s�acc�h�3' --. <br /> 2. Select perforation spacing = __ � _ feet. y"ot ro�:k <br /> 3. Since perforatic�ns should not bE� placed closer than 1 ft. to Per[SiL�ng 7/3��� �/�' <br /> the edKe of the rock layer (see dia�;ram), suhtract 2 ft. from Perf Spacin�; I.S-5' <br /> the rock layer length. <br /> R��� - 2 ft. _� feet. <br /> Requued Pvfonnm Discha+ge <br /> 4. etermine e number of spaces between perforations. �R������<«m, <br /> Divide the length above by perforation spacing and round °��` ;;�.� ; �.�.�. <br /> down to nearest whole number. """ ' <br /> 1.0a 0_56 0.74 <br /> Length perf. spacing = � ft. - .3 ft_ = spaces <br /> 2.Ob 0_SO 1.04 <br /> �3� �2� a.Use for single farruly homes <br /> b.Use for all other applications <br /> 5. Number of perforations is equal to one plus the number of <br /> perforation spaces . <br /> �S aces + 1 = Z I erforations/lateral ���ntunber of quarter inch perforations pe <br /> P P lateral to guamantee<10%discharge variation <br /> Perforation <br /> 6. Multiply perforarions per lateral by number of laterals to SPf�tjg j; j�i 2 <br /> get total number of perforations. 2_5 14 18 2$ <br /> � x � = 6.3 erforations. 3.0 13 17 26 <br /> perfs/lateral p <br /> 3.3 12 16 � 25 <br /> 7. Determine required flow rate by multiplying 4.0 11 1Jr 23 <br /> number of perforations by flow per perforation 5.Q 1Q 14 22 <br /> 3 � <br /> �2_ X � _`� <br /> P�s SPm/perf SPIIt. wu.�w�n wu� nT c�o o� vr�ssure oa�n,eur�or+ m�,. <br /> ....a. <br /> 8. If laterals are connected to header pipe as shown on upper � <br /> example, to select minimum required lateral diameter; enter F� i� �.. � <br /> table ��ith perforation spacing and number of perforations �� ,��'��� '�~- �' <br /> per lateral_ Select minimum diameter for � - '�T� <br /> perforated lateral = � �� inches. �� <br /> U.� � d KMu�u�(D�t u�Cw��1♦ <br /> WMCTYRL O�S�aMv��On w rUiK� <br /> �n�w.rc n�a�n� J�� <br /> �_wsw��a�e f�aC v �P�J` <br /> 9. If perforated lateral system is attached to manifold pipe near ��ro P-�`''�'�""�� <br /> ' ",..�a� <br /> the center, lower diag-ram, perforated lateral length and � , <br /> � <_.._�;;�,;..�,�..a ,. <br /> number of perfc�rations per lateral will b�� apprc�ximately one � <br /> �•a�, ---� ...�� <br /> half of that in ste�� 8. Using these values, select minimum ��., b �� ��;� <br /> diametcr f<�r �c>rforated lateral = � inches. ;� '� ,.�'`' ,,,,�,..,,_, <br /> � •,� ,,,,. � <br />