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ivi 1vi Lv1L IILL VV.1V 1'[lA VIGJYGUIGY LVVVLAJ JVl\liL'l� 11\ll\1 l�/JV11 <br /> �� OSTP Pressure Distribution <br /> UNIVERSITY , <br /> M'"��°"��°^ Desi n Worksheet <br /> Contral � OF MINNESOTA --;�� <br /> 12. Caiculate the Square Feet per Perforation. Rerommendedvolue is 4-11 ft� per perforalion. <br /> Does not apply to At-Grades �"�1'{�1 <br /> a. Bed Areo = Bed Width{ft)X Bed Length(ft) Ibrtonika pl�meoer <br /> Fled(h) <br /> f 0 ft X 38 ft = 380 f�j ��� ��+� '%a '/. <br /> b. Squaie Foot per Perjorotlon =Bed Aren divided by the Total Number oj Perforations (Line 9), 1�' au 0.4f 03i 0.14 <br /> 0.12 0.�f O.f9 0.9 <br /> 3� ft2 - 38 perforations = 10.0 ftZ/perforatio�s � a� O.s! 0.lD 1.W <br /> 2.� Q]9 O.N O.d9 1_t1 <br /> i3. Select Min/mum Average Head: 1,0 ft 3A 0.37 0.12 0.9� t,zf <br /> 4.0 O.7f O.i3 1.13 1.41 <br /> 14. Select Perjoraffon Olscharge {GPM)based on Table: 0.74 GPM per Perforation y.� a�� 0� �� �� <br /> 15. Deterrnine required Ffow Rote by multiplying the Total Number o f Perforetions by the �� ����3�t6��0���Rh <br /> Perforotion Orscharge. r, �t �d� <br /> 3�J �/-' �` DwtllMgs with 1 J8 int h perforattprs <br /> 38 Perfs X � 0.74 GPM per Perforation= '\ 29 �pM 21eN �����M515wicd3/16 <br /> irch w tl�ind�perforatiors <br /> 16, Votume o/Liquid PerFoot of D�stribution Piping(Table 11); 0.170 Gallons/ft 5i� ��bluhrnentsandAt5T5wit91leinch <br /> 17, Yolume of plstribu[ion Pipinq = <br /> P�M� <br /> _[Number of Perjorated Laterafs (Line 3)X Length oj Lnterafs (Line 6}X T���� <br /> (Volume of liquid Per Foot of Distribution Piping(l.ine 16)] VOlume o!Llqttfd 1n <br /> Pipe <br /> �� X 36 ft X 0.170 gal/ft 1Z.2 Galions plarn�t�t P�e rFoot <br /> 18. Minimum Dose=Votume of Distribution Piping (Line 17}X 4 (inclfes) (GaUons) <br /> 12.2 gals X 4 = 49.0 Gallons � 0.045 <br /> 1.25 0.078 <br /> 1.5 0.110 <br /> m� PD�� 2 0.170 <br /> ���U i 3 0.380 <br /> ��� �� 4 0.661 <br /> WP��P�P <br /> � � �� _ �_ _ ' ` <br /> ouK ��� <br /> � •' <br /> � Mani(a�d ppe� <br /> ���• � � <br /> i � <br /> altemate towtion <br /> of 6om ' � <br /> � c� .�.s� �./i f7R. o �� � <br /> ` ������ <br /> �._1_'-.-„� �U f� L,/ d PPQ rmn p,.,p <br /> t s P��L. 3:(n�/6�/��IZ P ,�„ <br /> Comments/Special Design Considerations: <br /> � (.�5 r �� -��: ��!�-►-� lG,� ���Z�-z� «-►�� �G <br /> �� � �� � � <br /> �'Yl�-yt'�`�,i,v�. �`� `/J a,� t�Yr�c�c� .: <br /> ��°.t►� �,r, � 1,� ��� <br /> °-�- <br />