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('IZES_S__UIZE DISTRI�_U"Tl_ON SYSTEM �,����tc�xtiif� tabn�
<br /> 1 �c�lE�c�t niimh�r ��f F���rf��ratecl l��tE�r<�I� 3
<br /> - --— ---- ------- - i., ..
<br /> - - )uartrr ini h rrf�irahons s�.aced�?l' ��"' -=---- •
<br /> �—— F
<br /> 2- St�lect pert��ratiotl spacin�; �_ __3__- fret. ��••�,t n,��,
<br /> -- - -- ---- ,
<br /> 3 Since ��ertc�rati��n� shc�uld not hc� pl<�rc�cl �Ic�ser tharl 1 ft_ t�� Pt>rt S�z�,1�;7;����� �;-���
<br /> Perf 5pacinK 1.5'-�
<br /> thr t�d�;e ��f the rc�ck layer (seE� di<��;rarn), subtract 2 ft. fr��m
<br /> thc� r��c k lavrr lE�n�th_
<br /> �� - 2 Tt. _ �{_� feet.
<br /> Rock layer lenRth �---- --
<br /> =�. Dr�terrnine the number of spaces between perforations. R���`���u«'��' �
<br /> Di�-ide the length above by perforation spacing and round °iH"`g� ;.� ��, ����. �
<br /> (feet) �
<br /> do�vn to nearest whole number. _
<br /> 1.Oa 0.56 0.74
<br /> Length perf. spacing = y ft. = � ft. _ �_ spaces
<br /> 2.Ob 0.80 i 1.04
<br /> �3� �2� a.Use for single fariuly homes
<br /> b.Use for all other applicahorLs
<br /> 5. Number of perforations is equal to one plus the number of
<br /> perforation spaces .
<br /> � S aces + 1 = I � ���number of quarter inch perforabons pe
<br /> p perforations/lateral lateral to guarnantee<10°/dLschar�e vanahon
<br /> Perforation
<br /> 6. Multiply perforations per lateral by number of laterals to Sp e jg 1; j 2 2
<br /> get total number of perforations. 2,5 14 18 2�
<br /> 3 x �— _ _�1 �erforations. �.� 13 I �% ' -�E,
<br /> 'ateral� perfs/lateral � ^..} �^) �� j )�_
<br /> � L �
<br /> ;. Determine required flow rate by multiplying 4.� 11 �5 � Zj
<br /> number of perforations by flow per perforation 5.Q 1Q 14 22
<br /> � �L,�
<br /> perfs X gpm/perf =�aPm. wn�co�o �ocnnn nr no oF vsrtswree asrmeuran sYsreM
<br /> � ���
<br /> �n` \��
<br /> _T_,�,
<br /> �_- �'�_�•�._r
<br /> 8. if IatE�ral� are connected to header pipe as sho��n on upper _ � ��'
<br /> example, tc� select minimum rec�uired lateral diameter; entc�r � � " � �
<br /> table with perforation spacin�; and number of perforations ; ;=%'� � ,,,.�-`' � �-`�~ �'
<br /> per lateraL Select min�}um diameter for `�� - �'`"�
<br /> perforated lateral = �'.i� inches. �'� � ��
<br /> ... + a �aw.au�ic.... ,
<br /> .+czuw� o�s�o.,n��„.. ...,.�.
<br /> � ..�.......o...,,...�.
<br /> �_) .c :'t��o� ��y.,.,> '
<br /> If E�erfuratec� lateral system is attachec� tu rnanifoJ�j E>ipe nc�ar .�". ��-`' ,_" , _
<br /> th�� center, loti�t�r diagram, perf�>rat�c�d lateral length and ---��',-:,,,w-.�--,��-a ���,��� _ _
<br /> . . ;\ =
<br /> numhc�r uf �E�rt�_>rat�ons per l�jtf>ral ����11 1>�� a�1.>rc�ximai��l�� c�nE� _ � "' - �;�
<br /> ��, - ��,z" ��:.��,�::.�
<br /> half of that in step £�. Usin� thesc� ��aluc:s, select minimuin �„��., � ,� �" -��
<br /> di�m��ter f��r pE�rfnrated later�il =- _�--�� inches. _ ,.�'`'' ,,,,�,�,,,,_,
<br /> �1�'
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