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� OSTP Pressure Distri ution <br /> Minn�sota Popution • UNIVERSITY ! �� <br /> �,o, Des�gn Workshe t OF MI �. <br /> NNESOTA �, <br /> 12. Catculate the Squore Feer per Perforocion. Recommended v lue fis 4-11 r 2 <br /> f per perforation. <br /> D�nes not appty to At-Grades <br /> a. Bed Areo = Bed Width (ft)X Bed Length (ft) <br /> 10 ft X 50 ft = 500 ft� <br /> b. Square Foot per Perjoration = Bed Area divided by the Totol Number of Perfornr�ons. <br /> 5� ft� + 51 perforations = 9.8 ftZ/perforations <br /> 13. Select Minimum AverQge Heed: 1.0 ft <br /> 14. Select Perforation Discharge (GPM) based on Tabte: <br /> 0.74 GPM per Perforation <br /> �5• Determine required Ftow Rnte by multiplying the Totul Num r of Perfs. by the PerforatJon Discharge. <br /> 51 Perfs X 0.74 GPM per Pertoration = 38 GPM <br /> �� <br /> 16. Volume of Liquid Per Foot of Dfstrlbution Piping (Toble ll): 0.170 Gallons/ft <br /> 17. Volume of Disrribution Piping = <br /> _ [Numbe�of Perforoted Laterals X Ler►grh of Laterols X �Vol e of T���� <br /> Liquid Per Foot of Distribution PipingJ vaume of�14Wd in <br /> Pipe <br /> � X 48 _ �P� Liquid <br /> ft X 0.170 gal/ft 24.5 Gallons ��m�� Per Faot <br /> 18. Minimum Delivered Volume= Volume of Distribution Piping X 4 r��� ���b�� <br /> 1 0.04s � <br /> 24.5 gals X 4 = 97.9 Gallons �•25 0.07a <br /> 1.5 0.110 <br /> ' 2 0.170 <br /> �� 3 0.380 � <br /> � <br /> � <br /> � 4 0.661 <br /> i��pump - � '_ '-- <br /> �/ <br /> . <br /> � ' Manifdd pPe. <br /> � : , <br /> � <br /> � i <br /> ��� i i <br /> ahemate location -- _ <br /> oi ' kom � <br /> �oe kc+tion <br /> of pipe from pump <br /> hom <br /> Comments/Special Design Considerations: <br />