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Q� 1'p Pressure �istribution [JNIVERSITY '
<br /> MinnesotaPollution ae�t�,� WQ��ksheet OF �NNESOTA . . _�`r,,_.�ti
<br /> Convol Agency
<br /> 1. 5ele�t Numb�e�of�-'�°rate+d tatet��s!n system/zorte: �� " �D��it��,� Minimum
<br /> '�.�xK,�aiiomsoaced3'daert x'ofrodc 3
<br /> (1 feet is miMmum end 3 Jeet is max+►num spacin3l _
<br /> . '��
<br /> Z. ��2CC��f 0l�L'lOfl�Fl[1Qllg: � �.•cJ � �I 9'd racic
<br /> ''/ 1
<br /> 3_ 5elect Perjnra6on fliameter Size � /,�� �1 �O�dI�OnS�b�9''1�"l0'�.•
<br /> pe(ioranon s .I'm 3'
<br /> ■ h-Z Feet. Pe oratia n can not be ctoser theri 1 foot f�om edge. v 11.05-31
<br /> 4. length aj taterols Me�ia 8ed Lenlqt rf
<br /> 62 - 2fc = C b0 ft
<br /> 5. betentv;ne the Number of Perforati+an Spaces. R+�+�de the U�r+gth of Lnterais (Line 4)by the PP►'jarqtion 5poclr�g (Li�e 2)and
<br /> rou�d down to the nearest wtrote rn,�mber.
<br /> Nurnber of Perforation Spaces ` �.�...�_Jft � 2.5 ft = 24 Spaces
<br /> h. Number of Perfaratians Pe�Lateraf is equa!to 1.Q plus the Number of AerJoration Spaces (Line 5).
<br /> ?erforatlons F+er taterat = C�SP�� � 1 = 25 Perts. Per Lateral
<br /> Check tab(e b�low to ve►Ify d��r►iber nf Pe'rf°ron°►�s Per fateral guarantees tess thon a 10%dischcrge variution• The value is
<br /> dppb[e if the a tenter marfifotd fs used.
<br /> ~� ��y�imi��I�umbc�raf F'cr'for�rion:Pc� Litcrwl to Gwran[ca�tUe Uischargo�'�riactinn . . „ _ , . � . -.., .,.
<br /> ��uu-�Yw.-rori�ons.� .� ,-.-- T 7'32 I�ch P�erf vratiom. ' -
<br /> ---... _...-, - F''rpp Qiamnrvr(l�chr.l Pvrforation SPx�^9 __Fipc C1.'�rrwrar(IncFu:> �^__t
<br /> P�rfa�.t•o•,�.p„r���d iF:har) 1 �;._ ,,._'i..... Z R3 .,,......�Fe�il..�... � ,,.1• f� ^f-'t:; z -� -
<br /> 2 I 10 1:1 18 '� ....io.,... j0,..r -� " _`__i t-1--15 i 21 .r'�� G6'-
<br /> �------.�r•• • o � t� 16 28 5-i 2�` 10 1� 2 p �2 5�-�
<br /> 3 �gT. 1',� ��. 1 .�.25 52_ _ 3 -.r _ 9 I _�.s^ 19.,..--1-.-�_6U
<br /> , -' 1/8 IrKti PetT71 n�,iifi: I
<br /> �"- 3.'7 6 trth F�er�araiion�
<br /> ----r-""'-' '� 1 Prr(aratien SpacinR Fipe Cra.me:er(IncFae:S
<br /> P'.ipn Oi��iM�u 11�Cfw:.
<br /> I Perinrel:an c�.;,C.ng IFwcl 1 7�5 I 71�� � _ 7 , _ 3 . , . IF�CTI...�-.., . l , . �' _ ,�'' 7. � -�
<br /> . ..... ..�.,z .. .,2t.. ..33..
<br /> � �.�..�-T�� 1-l9
<br /> _._ ..., .... y, �!i 2b 1 a6 ' .,�7 �
<br /> ,? �1� �'7 Y4 i 40 �0 3-� 2L� � 3C' Il 69 �..--�1-.�--5�----f
<br /> _3�_. � �- T� fii 22 3� -��.• •`--•• -3-•--.�... .,..2P.__ _ �g �3P• 1'�,� �_� ��g J
<br /> --1. • ..r.-
<br /> 7. Totni Number of Perforctiorts equpils the Nv►nber�f Pcrl�er ttlorts per Lateret (Line 6)multlpUed by tha Number aj
<br /> Perforated LnteraLs (Line 7 j.
<br /> Z5 perF.per Laterat X �N�mber af Perf. Laterals = 75 Total Nur�er of Perf.
<br /> g, Ca�ulate che 5quare Feet p�r Perfor�tion. Rerommended ralue fs 4 i0 Jt 2 per per�orat�orr. ""'°"����'F
<br /> Does no!aPPry to AC-Grades "`�a�rq �i� ���� -�u '�,
<br /> ged Me� � B@d Width(fC)X B�ed���h�ft� ,,a• o.,e e.�, osc o,»
<br /> r �.5 0.22 0.51 O�fo o,�
<br /> 1 V li = L PLQ {� 20'^ a.ze od� 0.l0 i.a
<br /> X fi�2 ft ��s • a.�, o.� o.�, ,.,�
<br /> 7.0 a,]3 a.'n o.�v 1.2E
<br /> s.0 U.77 , O.i] 1.17 1��
<br /> Square Foot per AerJorvNon =8ed Areci dmded b�+the To��[Nvmber of P�rforotlats (Line 7). 5.� o.�t 0.93 �.0 +.is
<br /> � ar�F^T•^�h Srie.�ei,�a�i���a6
<br /> 6�0 rc� - '1�5 ����o� _ �.3 �r�ertoranons ��°°� p�YfORIbK ...
<br /> w..��1�w n,�n i�e;�ii p.�!�.�bin
<br /> ireec ar.r.,••�n�.�•o.�a.wr..a�b s��e
<br /> 9. SE�CZ 1�'�f fl�Ritllr}/yVcfQ�4C+HFQ�' 1.� fC _ htJi ia i��inch Ot[for�cqm
<br /> • ati�..,.e�;;�:,;d.�a Mtt:rion ve v,cn
<br /> �recc �ora[fon,
<br /> 10. Select Perfaratlon DiscMrge (GP1w)based on Tabte III: Q.56 GPM per P�rfa�atio�
<br /> 17. p��rrrrine required Flow Rate by multiplying Che Totaf Nu�nber of P'erfarutions (line 7}by the Perfordtion Disthar'ge (LIf1e 10).
<br /> 75 perforations X 0.56 GPM per �erforakion = 43 GPM
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