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' PRFSSi1RF.1�TSTRIBUTION SYSTEM �� P�FORATION OF A PERFORATED LATERAL <br /> - — —- — - -— Groa Cova <br /> 1. Select number of perforated laterals -3 T°°"° <br /> .... :,..:.. ,. ` / <br /> ':`t" -:... • `` �p'y�of GwteYtlb FaWle(a lou� <br /> � ':�: 'lAamY�+�d LOpr kxh layv of►aY or atrw cq«�d � <br /> i.'',?•;., .� .`'vlt�nd foalfl popefl <br /> 2. Select perforation spacing= 3• � feet. . . , � <br /> er Mrtoratbn Orltl.a Hetl:onallr <br /> - bte p N�or Top <br /> 3. Since perforations should not be placed closer than 1 ft. to ''•;,�Fk„R«� o R`��a° Edpi <br /> the edge of the rock layer(see diagram),subtract 2 ft.from ' � �` `�'' ����"�� ��a��o���•a a� <br /> . , .�' , Cl�ao Sond LOyv <br /> � the rock layer length. ' . <br /> . ,$" U onar,a sotl �oon+r scatri.e' <br /> . �v��,��ft. _ �t� feet. �.�«.P��+�s���oY« . <br /> 4. Determine the number of spaces between perforations. ����n��� <br /> Divide the length above by perforation spacing and round �.� ��. <br /> �� <br /> down to nearest whole number. � � <br /> 1.Oa 0.56 <br /> Length perf. spacing= `��' ft.+ 3 ft. _ �6 spaces , 2.Ob 0.80 1.04 <br /> �3� �2� a.Use for single family homes <br /> 5. Number of perforations is equal to one plus the number of b.u�to�au«t,e��liUtio�, <br /> perforation spaces . <br /> �6Maximum number of quarter inch perforations pe <br /> spaces+ 1 = /7 perforations/lateral lateral to guarnantee c 1096 discharge variation <br /> Perfontion <br /> . 6. Multiply perforations per lateral by number of laterals to 5���g 1� 1� 2 <br /> get total number of perforations. 2.5 14 18 28 . <br /> ,,�, x �„�,,= s� perforations. 3.0 13 17 26 <br /> 3.3 12 16 25 <br /> 7. Determine required flow rate by multiplying 4.� 11 15 23 <br /> number of perforations by flow per perforation 5.� 10 14 22 <br /> . �/ ��7 -�b .. . . . � . .. . . <br /> X Q �IIl. Wwo�a�awrm at tw a w�snc asrmwrww srsro� <br /> ��. ���— <br /> `�'• <br /> �� <br /> • 8. If laterals are connected to header pipe as shown on upper :� <br /> example,to select minimum required lateral diameter;enter ��" <br /> table with perforation spacing and number of perforations �,',��'°'� "" <br /> per lateral. Select minimum diameter for �� <br /> perforated lateral = 2 inches. <br /> . . • • . . {�1101R Of KMd1�R9�+'[l�7[II�LS IOR <br /> M[SY�(p�lM11I10Y N rO�MO , <br /> . . A�rO�K w( . . i.... . , .. . .. , � � <br /> 9. If perforated lateral aystem is attached to ntanifold pipe near +��"'� P ' ."�,�,�� <br /> the center,lower diagrazn,perforated lateral length�and �:rr,�,-�—- . <br /> � number of perforations per lateral will be approximately one -�,�� <br /> half of that in step 8. Using these values,select minunum �.� .. �,� � <br /> diameter for perforated lateral= inches. ,�'""" ��"�'— <br /> � �,� . .. <br />