Laserfiche WebLink
` �.�, OSTP Pressure Distrib tion ,, �, <br /> l.1NIVLRSITY � ������F <br /> Minnesnta Polfutlon Design 1Norksheet OF�INNES�TA ` � <br /> Control A enc � ���J <br /> ProjecilD: v}1.09.22 <br /> t. SelectNumbe�ojPerjoratedLateralslnrystem/zone: L----^.__._i ------ <br /> (2 Jeet!s mfnJmum and 3 Jeet is maxtmum spacing) "'�""'"":':`^� ' <br /> 2. :.'•:::+`.' ....- ,�: :�.:;r.. . .. ���i <br /> Setect Pe�jorntlon Spacing: 3.0 ft "` "_�'"` _; % _ �� <br /> ..<a..�.y '.i <br /> v���w�1o,..c:w...y..,..�a•.w.,.� i�i•ol..x� � tz- - <br /> 3. Select PerJoratton Dlameter Slze 7/32 in _ _ <br /> 6'c<ro�k <br /> 4. Length of Lntero(s =Media Bed Length•2 Feet� ��"'�K���w3i!F��'��°��' pf��'��Iin M+�i.2'lu�• <br /> 63 - 2ft = 61 ft Perforatlon ton no be closer then !Joot Jrom edge. <br /> 5• Determir►e the Number oj PerJoration Spaces. Divlde the length o/Laterat (Line 4)by tt►e Perforotton Spacinq (Lirie 2)and <br /> round down to the nearest whole number. <br /> Number oj Per(oratton Spoces = 61 ft + 3 ft = 20 Spaces <br /> 6. Number ojPerjorv[tons per Loterot ts equai to 1.0 ptus the Number ojl�erf ratlon Spvices (Line 5). <br /> Per/oratians Per Lateraf = 20 Spaces + i 21 Perfs.Per Lateral <br /> Check table below to veN�y the nomber oJ perforatlons per(eteral guarant es less than n i0%dlscharge vorlotfon. The vnlue Is <br /> doubte ij the a center montjotd!s used. <br /> tdaxim�n Humber of Pc-rfaatiais Pc�r Lateraf ta Guaran e�<j�p�}��Yariatior► <br /> /j lnc P qrabc�s 7/32 tach Perio►ations <br /> Ripe Oiameter{Irxhe,� Perfora n 5 aci Pi Diampter Inchr <br /> Perforation Spacing�feet) F '� � � � <br /> 1 tY !35 2 3 { et) ! !�; iF5 2 3 <br /> � 10 13 18 34 64 2 !1 !6 21 34 68 <br /> 2f4 8 t2 f6 28 5a l�� t0 i9 20 32 6a <br /> 3 8 12 15 25 52 3 9 14 !9 30 60 <br /> 3f i6 Inth Perforatiortz I J3 Inch Perferaiinns <br /> Pipe Diafrseter llncM,) Per(oiati Spating Pipe Uiarr�ter�lnc�es} <br /> Perforat:on Spacen$(Feai) � tl: 1t! 2 3 (E tl ! 1Vi 11� t 3 <br /> 2 12 18 2b 46 87 2 21 33 44 7A 149 <br /> Z�2 f2 17 29 40 80 Ve Y� 30 4f 69 135 <br /> 3 12 tb 22 37 75 � 24 29 36 64 328 <br /> 7• �ota[Number ot Per�oratfons equals the Number of Perforations per Later i (Lirte 6)multfpiled by the Number of <br /> Per(orated Caterols (Line 7). <br /> 21 Perf.Per Lateral X �Number of Perf.L erals = 63 Totat Number of Perf. <br /> _ _ __. <br /> 8. Calculate ihe Square Feet per Pe�jaratlon. Recomrnended►rolue/s 4-!O ft�per perforotlon. DHr�•"°^�'�r��v <br /> Mfq�ti0n D4nW�n <br /> Does not apply to At-Grades „�,a���� <br /> '� '�,. '�„ '�. <br /> Oed Area = Bed Wtdth(ftj X Bed Length(ft) �n• o.�e o.�� o.st o.» <br /> �.s o.z: o.s� o.as as <br /> 10 it X 63 ft = 630 rtz Za o:b o.s, o_� -;:o, <br /> � o.� o� o..+ ,.�� <br /> Square Foot per Aer(oratlon =Bed Area divided by the Totct[Diust►ber oJ Pe OLAI40f15 SL{S{2 7 j, 4A o.17 p t1 �.0 ,., <br /> 5A� 0.11 0.9) 1.26 /.{5 <br /> 2 2 1[pp� L1��pu�+$vrtT)/�6 YX1�ta 1Ii 5KA <br /> 630 ft - 53 per�orations - 10.0 ft/perforattons +«.�� <br /> o��..�,..�,�.,���nh� <br /> 1fKt lxrtslatieFmeusc[�-0A+STSW1[h)!Ib <br /> 9. Setect M►nlmum Averaqe Nead: 1.0 ft 1rch[D 1/i fnh peApn[bm <br /> s�«c anrrraw�r.;=s,wi:.;n.�n�iaa,a, <br /> �.aioraC�rc <br /> 10. Select Per(orotton Dfscharge (GPM}based on Tabte 111: 0.55 GPM per Perforation <br /> f 1• Determine required F(ow Rote by multiptyring the Totat Number of Perforat ns (Line 7)by the Perjoration Discharge (Lfne 10j. <br />