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4STP Pressure Distributi�n ��;��� � <br /> Minnesota Poliution <br /> V�S� n Work�heet UNIVERSITY � , <br /> ControlAgenty � QF MINNESOTA ��' ° �`~�,,,~'" <br /> 12. Calcutate the Squvre Feet per Perforation. Recammended vatue is 4-11 ft 2 per perfarotion. <br /> Does not appty to At-Grades <br /> a, Bed A�ea = Bed Width (ft}X Bed Length (ft) <br /> 14 ft X 75 ft = 750 ft2 <br /> b. Square Foot per Perfo�ation = Bed Area divided by the Tota!Number of Perforotions. <br /> 750 f�z .- 75 perforations = 10.0 ftz/perforations <br /> 13. Select M3nimum Average Head: 1.0 ft <br /> 14. Select Perforotion Discharge (GRMj based on Tabte: 0.74 GPM per Perfaration <br /> �5- Dete�mine required itow Rcrte by muttiplying the Tatat Number af Perfs. by the Perfo�ation Discharge. <br /> 75 Perfs X 0.74 GPM per Pe►foration = 56 GPM <br /> 16. Votume of Liquid Per Foot of Dxst�ibution Piping (Tab(e I!): 0.170 Gallons/ft <br /> 17. Yo(ume of Distribut�on Pip�ng = i Table If <br /> _ [Number of Perforated Latero(s X Length of Laterats X (Volume of ; Voiume of Liquid in <br /> Liquid Per Faot of Distribution Piping] � �Pe <br /> i p�ipe � Liquid <br /> �� X 73 ft X 0.170 gallft = 37.2 Galtons ' Diameter Per Foot <br /> � (inches) �(Gaikyns) <br /> 18. Minimum Delivered Volume=Volume of Distribution Piping X 4 1 OA45 <br /> 1.25 0.078 <br /> 37.2 gals X 4 = 148.9 Gattons i.5 0.110 <br /> 2 0.170 <br /> mam o pipe� 3 0.38t1 <br /> � 4 0.6b1 <br /> � � �` _.... _..___ <br /> �„�- pipe from pump .-����+ou+s � <br /> 'f ManiloM pipe� <br /> lean outs ,�� � <br /> ♦ '� <br /> � +� �' r <br /> / _.. <br /> dltemate loratiotti <br /> of i from � `IUtemato Iua��on <br /> a(pipe hpm pump <br /> A irom m <br /> Comments/Speciat Design Cansiderations: <br />