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University of Minnesota Pressure Distribution System Design -10/25/04 <br /> M 6wned wcNn�s nwef bs«Mu�4 6►e�sat wi bs caiad�tid <br /> O�rss <br /> i�w��s <br /> t. sels�t nwnber d pe�torated lat�als: L� '�'� <br /> 2. Sekc�ps�atlon spae;i�g= 03 ft <br /> �.a..xw.�.,� <br /> 3. SinCe psAoratiot�s sflouW not be plaaed doser tl�at 1 foot t� �����. `` ��° <br /> �IE�f�QB 0/�1��Y9f(�!8�f�ll�,EUblf9d Z��Of11 'a�k <br /> ����_Z 1l S' � � �� Awf��u+s 1.S-p��• . <br /> � <br /> 4. Delerrrline ths nunDer d speoes bet�w�een perfora�Or�s. <br /> Divide the bn�h(3)bY per�Orada�apac�n8(2)and round down to r�rest vrhole nt�rr�er. <br /> PerforaHon sp�cinp= �8 R/ 3 ft= 16 <br /> 5. Seled perfo�tion siae r 1�11nch <br /> 6. Nwnber d peAo�lions is equal to one pq�s the nwnber of Derforation spaoes('►)• <br /> 'Clack fyurs E-4 b assme�e rn�n�sr of p�au pa►lale�a/pueranfees <br /> <10%6xh�9ips re►�on. <br /> 16 apaoss+1= 17 pe�o�ior�sAateral <br /> ber 1 Mch perForatlons E-6 Maxlmum Num 3H nch <br /> Isb�al to <'10% vudtlon hEsral bo �piranbs<10% variatlon <br /> n <br /> � ��►►b� �9 �� <br /> ft 1 fiCh 1.25 inch 1.5 inch 2.0 inch feet 1 inCh 125 inc� 1.5 inch 2.0 kich <br /> 2.5 8 14 18 2.5 1 19 25 <br /> 3.3 7 12 16 25 3.3 10 17 23 36 <br /> 5.0 6 10 14 22 5 9 15 20 31 <br /> 7. A.Tot�number d perfora6ons=�per l�SI(�tmes raxnber of la�als(1). <br /> 17 pe�fs/W x 3 �= 51 pe�foratior�s <br /> B.Cak�►lale the squaro toompe P�P�• <br /> R�eoarrner�ded valus it�10 sqRl�e�f.Ooes rat apply b at-gredea. <br /> 1. Rodc bed a�=rodc width(th x rock ler�h(R) <br /> 10 ft x 50 ft= 500 ft� <br /> P�Pe a�odc 8ed Area/nwn r o perfs(6) <br /> 500.0 1t� / 51 perfs = 9.8 1t�/p�f <br /> 8. Detertnine requied tbw rale by muldpytng tlie tota nunber <br /> of Perfo�io�q(6l�by floM►Per Perforadons�see figure E-6) <br /> 51 pe�fs x 0.74 �m/paris= 37.7 gpm <br /> E �n e n <br /> �e �rahons d ameter <br /> � <br /> 6 1M <br /> .42 0. 4 <br /> 5 0.94 1.26 1.65 <br /> a Uw 1 A toot ior siipis-fan�/y homea. r- - <br /> b.Use 2.0 feat tor ebe � ; _ ry"r"�r� --� <br /> , _._ �'.m�.,..� , <br /> ' ' I <br /> 9. Detertnine Mirrimum Pipe Sme � .., „ . - _ -�s��" I <br /> A. Manifold on End. If Isbe�ais are oon�to header pipe - ..C4, ,�� � <br /> 88 8hown i11 Figuf�B E-1,b selec�minimum required latetai I r+o�..e•�_�rawow►�awde1.aaw�.r�, � - �-n-_� <br /> diameter;eMer figure E�a E�5 wifh perforabion apacing and - <br /> nwr�er of perforatior�s per laterel.Seled minirrxan� <br /> for perforated talerals= 0.0 irx�es <br /> B. Cenbor Wni101d. If perforal�ed Isleral aystem is afladied to �6��•a+�Ma� : -_=---=1��°Q <br /> manifold p�e neau'M�b oenlar.Nke Fgws E 2,perforabed labaral length(3) _:��"„' ' : ., <br /> and taunber d P�P��(�����N �- -� �� -.-- <br /> ona na�or u�ac in aep a usk�g a�ieaYe raN,es se�ea ._�Y _��_ " <br /> ,_ �: _ _ <br /> �4.�-,s=.�� <br /> m������IYWIY�_ �p1y11W ' i_�.:�'�' _'_ -.__:;x ��:�'"',,;,a.'`w <br /> _ t�� <br /> � � ��� � ������. <br /> (signature) 810 (lioense#�) O6lWA7(date) <br />