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_ OSTP Pressure Distribution <br /> Minnesota Pollertian Desi n Worksheet UNIVERSITY <br /> � Control OF MINNESOTA ^ �'`�, <br /> Project ID: v 07.14.15 <br /> 1. Media Bed Width: 10 ft <br /> 2. Minimum Number of Laterats in system/zone = Rounded up number of[(Media Bed Width -4) = 3] + 1. <br /> ( 10 - 4 j + 1 = �laterals Does not appty to at-grades <br /> 3. Designer Selected Number of Latera(s: ���aterats <br /> Cannot be less thvrr line Z (accept 9n af-Qrades) ������---- <br /> 4. Select Perforvtion Spacing 3.0 ft �_� `�. _':`�� . ..,. .;�;:�:'.R'. �:�, �=j__ �;'': <br /> �:w.u..�.,a.,,«�w,�.w.� _���x J� '�, - <br /> 5. Select Perforation OtQmeter Slze: 7/32 in .-a.� <br /> v..to.wxun :v.-w'r.- n.Iwalon :rw r <br /> 6. Length of Lvterals =Media Bed Length • 2 Feet. <br /> 63 - 2ft = 61 ft Perforation can not be ctoser then 1 foot from edge. <br /> �, Determine the Number of Perforation Spaces. Divide the Lengrh of Laterats by the Perforation Sperc�ng <br /> and raund down to the nearest whote number. <br /> Number of PerforQtion Spaces 61 ft f �ft = 20 Spaces <br /> Number of Perforations per Loteral is equal to 1.4 plus the Number of Perforotion Spcues. Check tdble <br /> ; 8. belaw to verify the number of perforations per laterat guarantees less than a 109b discharge variation. The <br /> 4`" vatue is doubte with a center manifold. <br /> Perforallons Per Latervl = 20 Spaces + 1 = 21 Perfs. Per Laterat <br /> M�ea�um�af P�rfn�tioAs Per�,�eril�o G�neee<'f�1�i�Y� <br /> �� P or il32 kich Perforationt <br /> Perfaation Spad�(�e�t! ��'t�►d+es1 ►'e�fontion sp�cing Pipe Oi�n�e�l�chegl <br /> 1 1K 1�4 2 3 iFettl t 11i !�t 2 3 <br /> Z i0 13 18 30 60 2 1t 1b 3t �4 bE <br /> � d 12 1b 28 54 2V! 10 14 20 32 6+! <br /> 3 8 #3 t6 �5 S2 3 9 14 f9 3Q �i! <br /> 3ifb Mch Perfa�tiar�s j�a�y p�p� <br /> �����? Pi�w Ownet�x IM�d,es} Perfors�ian 5p�cfrig Pipe t)i�ne�r pnches) <br /> 1 11i tYe 2 3 (�'eek� ! 11ii i1h 3 3 <br /> 2 12 !� 26 �i a7 2 2# 33 44 7� 1�1 <br /> � 42 17 2+1 �D � T1'� 2t? 30 41 64 t 39 <br /> � t2 !i 22 37 1S 3 24 24 3d 6�1 1b <br /> 9• Tota1 Number of Perforations equals the Number of Perfororions per Lvterat muttiplied by the Number of <br /> Perforated LaterQls. <br /> 21 Perf. Per Lat. X �Number of Perf. Lat. = 63 Total Number of Perf. <br /> �,,.. <br /> 10. Select Type of Man3fold Connectlon (End or Centerj: � End Q Center <br /> 11. Selecf LaterQ(Diometer(See Tabte): 2.� in <br />