Laserfiche WebLink
� OSTP� Pressure Distr�bution <br /> Minnesot�Pollution ���� n �/�rksheet ��IVERSITY <br /> Control A nc � OF �VIINNESOTA � "��,,,,"'� <br /> 12. Calcutate the Square Feet per Perfaration. Recommenried vatue is 4-11 ft z per perforQtian. <br /> Dt�es not appty to At-Grades <br /> a. Bed Ared = Bed Width (ft) X Bed Length (ft) <br /> 10 ft X 38 ft = 380 ft2 <br /> b. Squore Fovt per FerfaraCion = Bed Area dividetf by the Tirtal Number of Perforations. <br /> 380 ft� .- 39 perfaratians = 9.7 ft2/perforatictns <br /> 13. Select Minimum Avercrs�e Head: 1.0 ft <br /> 14. 5elect Perforation Discharge (GPM}based on Table: 0.56 GPM per Perforation <br /> 15. Determine required Ftow Rate by rnultip[ying the TotQl Number af Perjs: by Che Perforatian Distharge. <br /> 39 Perfs X 0.56 GPM per Perforation = 23 GPM <br /> 16. Vatume of Liquid Per Foot of Distribution Piping (Tat�te tI): 0.17fl Gallons/ft <br /> �7, Vatume of Distributian Piprng = <br /> T�le il �i <br /> _ [Number of Perfor�ted Laterets X Length af l.c�terats X (Valume af Yolcemr o4r[.iquid ir�� <br /> Liquid Per Faot of Distribution Piping] p�� <br /> P�ipMr ' Liqt�id <br /> � X 36 ft X 0.170 gaE/ft = 18.4 Galfons t�iam,ete�r Per Faot, <br /> (inc.hes) (Galtans}' <br /> 18. Minimum Delivered VaEume= Votume of Distribution Pipin� X 4 � 1 0.045 ; <br /> 18.4 gats �f 4 = 73.4 Gatlans ; 15 o.11Q ; <br /> ` 2 �.1 T0 ! <br /> �t 3 C}.3�8 ' <br /> � 4 �.Gb1 <br /> f <br /> � p���� _ctexwocs _ —p - <br /> � +,, <br /> . <br /> . <br /> (23n OUtS ' [�ifoltlp�e. <br /> } ,' t <br /> r <br /> � �� t <br /> • <br /> ai�rnate locatiwt " _ <br /> � � Al�urnate locatioo <br /> ✓ <br /> ..-""" ��{���A <br /> tran <br /> Camrnentsl5pecial Design Considerations: <br />