Laserfiche WebLink
F ���� OSTP Pressure Distribution <br /> � UNIVERSITY <br /> Minnesota Pallut�nn Design Worksheet OF MINNESOTA �--� <br /> Controi A ency '�,,, <br /> 12. Calculate the Square Feet per Perforat�on. Recommended value fs 4-11 jt 2 per perforation. pe�toration Dtschar�e(�PM) <br /> Does not appJy to At-Grodes . <br /> a. Bed Area = Bed Width(ft)X Bed Length(ft) Perforatton Diametar <br /> �tiead R <br /> 10 ft X 63 ft = 630 f� I O ��� ��+s '/3: ��. <br /> 1.0' 0:'l8 0;41 0.56 0.7� <br /> b. Square Foot per Perforation =Bed Area divided by the Tota!Number of Perforations (Line 9). �5 O.TL 0.5t o.69 Q.9 <br /> 630 ftz . 63 perforations = 10.0 ft2/perforations i x0° 0:26 0.59 0.80 i:�4 <br /> i 2.5 0.T9 O.b5 0.$'9 1.17 <br /> 13. Select Minimum Averoge He4d: 1.0 ft � 3:0 0:32 0:32 0:98 1:28 <br /> i 4.0 0.37 0.83 1.13 1.l7 <br /> 14. Setect Perforation Discharge (GPM)based on Table: 0.56 GPM per Perforation � S.o` 0:4.1 0..;93 1:2E 1;65 <br /> � t toot �lings with 3116 inch to t!4 inch <br /> 15. Determine required Flow Rate by multiptying the Tota(Number of Perforat9ons by the � perfwatio� <br /> Perforation Dfscharge. pwet6�s wich�/8 incfi perforatio�x <br /> 63 Perfs X � 0.56 GPM per Perforation= 36 GPM Z feet pti�er estebl�hments and MSTS with 311b <br /> inch ta 1�4 inch pertorations <br /> 16. Volume of Liquid Per Foot of D�stributlon Piping(Toble ll): 0.170 Gattons/ft 5 f� �her atabtaMnenu and MSTS wiih 1/8 inch <br /> p�foratia�s <br /> �7, Vo(ume of Distribution Piping = <br /> .__....,__..._....._.__. <br /> Table It <br /> _[Number oJ Per/orated Laterats (Line 3)X Length of Laterals (Line 6)X 'Volume of Liquid in <br /> (Volume of Liquid Per Foot of Distribution Piping(Line 16)] �pe <br /> � X 61 ft X 0.170 gaUft = 31.1 Gatlons Pipe Liquid <br /> Diameter Per Foot <br /> 18. Minimum Dose=Volume of Distribution Piping(Line 17)X 4 (inches) (Galtons) <br /> 1 0.045 <br /> 31.1 gals X 4 = 124.4 Gallons �.�g 0.078 <br /> 1.5 Q.910 <br /> mam pipe� 2 0.170 <br /> � 3 Q.3 SO <br /> i 4 U.661 <br /> � _._._...-----.._._._.._____----.-- <br /> pi�from pump _ _ ---- <br /> �',/ Geanouu � -. <br /> ean outs � .' <br /> i Manitoid�pe� <br /> l� �• � 1 <br /> alternate location / ; <br /> of i e from m � ___ <br /> •Aitemate location <br /> of pipe hom pump <br /> Pi ftom <br /> Comments/Special Design Considerations: <br />