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��+.: C�STP Pressure Distribution � � � <br /> Minnesata Pollutinn QeS1 n Warksheet UNIVERSITY <br /> Controi enc � OF �INNESC?TA� �� `�,�'',, <br /> Project ID: v 05.73.14 <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 /> ( �� - 4 ) * � _ �laterats Does not apply to at-grodes <br /> 3. Designer Selected Number of Laterals: �laterals <br /> Cannot be less than line 2 laccept 3n ot-QrQdes) _,.,, , <br /> 4. Setect Perforotion Spacing: 3.Q ft �T' <br /> <; <br /> .. , , ; ,�,�.* --,. <br /> 5. Select Perforation Diameter Size: 1/4 in 4 � -��-- <br /> ��4� <br /> 6. Length of Loterals =Media Bed Length • 2 Feet. <br /> 50 - 2ft = 48 ft Perjoration can not be closer then �foot from edge. <br /> 7 Determine the tJumber of Perforatfon Spaces. Divide the Length of Laterals by the Perforation Spacing and <br /> round down to the nearest whole number. <br /> Number of Perforation Spaces 48 ft = ��ft = 16 Spaces <br /> Number of Perforotfons per Latera( is equat to 1.0 ptus the Num6er of Perfaration Spaces. Check table <br /> 8, below to verify the number of perforations per lateral guarantees less than a 10%discharge variation. The <br /> value is double with a center manifold. <br /> Perjorations Per Loteral = 16 5paces + 1 = 17 Perfs. Per Lateral <br /> Ma�amum tlumbec of Pcrfaratiars Per Late�al ttr�ar�te t 10%Dischs�e Y�ria�ion . <br /> t� P ara#�a�s 71321nci�Perfca�atiars <br /> Pipe i)iair�tter(Inches) Perforation Spacing P�e D+an�e�r 1�MksI <br /> Pefforation Spacing{Feetl 1 i1t 1h 2 3 �F�) 1 11i i�'� 2 3 <br /> 2 14 43 1d � b0 2 if 1B 2i 3+{, ; 6d <br /> 2� d 12 16 2B 54 2�t iQ 4�1 2Q 32 bai <br /> � 8 12 1b 23 S2 3 ` <9 14 , '�9 30 iE� <br /> 3116 kXt►Pe�Eorrtio�+s t/a hrd�Pe�ations <br /> P�rforari�Spac�r►g(Feet� �Dia�neter{lnchesl Perioration S�ci+� i�e Di�te�'t�ct+esl <br /> t tu tv� 2 3 t��) 1 t1t fri 2 3 <br /> 1 1! 1a ' 2b !!b �7 3 21 33 +�+1 74 ' 1�1 <br /> 11� i1 t7 2� !W 64 2Y: 2Q 30 N 69 i35 <br /> 3 12 16 t1 37 75 3 20 �4 3� 6r4 _ #2d <br /> 9. Totat Number of Perforotions equals the Number of Perforotions per Loteral multiplied by the Number of <br /> Perfarated Laterals. <br /> 17 Perf. Per Lat. X ��Number of�erf. Lat. = 51 Total Number of Perf. <br /> 10. Select Type of Manifotd Conneciion (End or Center): C{End O center <br /> 11. Se(ect Lacera!Diameter (See Table): 2.00 in <br />