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� NonrLevel Pressure Distribution System Desig <br /> 1. Lay out system SYSTEM I .'.". t: ' �� • ' EI�VATION 4St� .t�- � <br /> , <br /> I SYSTEM Z. ' '� � '��' EI�VATION 4�5. 0 i <br /> SYSTEM �� EI�VATION 8 3.o <br /> SYSTEM EI�VATION <br /> SYSTEM ��'����EI�VATION <br /> 2. �Elevation to ighest line <br /> Ele Highest-Ele o the Lowest �_-�__�_feet <br /> 3. Does Pressure�xceed 5'(Modify design) 2'+�_�_feet Flow Rate(gp ) <br /> 4. Calculate Pressjure head for each system Pressure Perforation 'ameter <br /> 1. Highest System=2' <br /> 2. Po+(E1-Ex)=oEx ft 1/8 3/16 /32 1/4 <br /> System� Ex `41..0 2+[El-Ex]=2+[�-@�] = Z feet <br /> syst�►� EX 0��02+[Ei-Ex]=2+(�-�,p] =�feet 1 0.18 0.42 .56 0.74 <br /> system� EX�..fl2+[El-Ex]=2+[��] =�feet 1.5 0.22 0.51 .68 0.90 <br /> System_ Ex t 2+[El-Ex]=2+[__] = feet 2 0.26 0.59 .80 1.04 <br /> System_ Ex�2+[El-Ex)=2+[_� = feet 2.5 0.29 0.65 .88 1.17 <br /> System_ Ex '.�2+[El-Ex]=2+[_� = feet 3 0.32 0.72 .98 1.28 <br /> 5. Determine flow rate per hole (table 2) 4 0.37 0.83 .13 1.47 <br /> System� P�� Flow Rate�_ � o gpm <br /> System s P3 � F1ow Rate�,�„=�s�gpm 5 0.41 0.94 .26 1.65 <br /> System 3 P�}� Flow Rate�/�,-- !.Z te gpm <br /> System_ P Flow Rate= gpm Ma�dmum number of quart�' perforations pe <br /> System_ P_� Flow Rate= gpm laterai to guar„antee<io�o dis�harge variation <br /> 6. Calculate flow�foz System 1 Pesrforation <br /> [(length-�)/spacing+lj X flow �reetj� 1'4 l�i 2 <br /> c..�-2���-�_�+�_ �.� X,kO=�g�io� 2.5 14 1� 28 <br /> 7.Calculate the ga�lons per foot <br /> Gallons+Length= ��. + 1 1�. _�_Gallons per Foot 3.0 13 1 26 <br /> 8. Balance flow for other lengths,spacing,or size 3.3 12 1 25 <br /> syst�� Length�x GpF,�_�Gallons 4.0 11 1 23 <br /> Gallons��+Fiow rate.�__ �_#of holes <br /> (Length-2') I•10 +(#of Holes-1)�=Spacing .O feet 5.� 1� 1 22 <br /> System� Length 1•IZ x GpF�._,�Gallons <br /> Gallons 3�?�.+Flaw rate I��= 1�#of holes <br /> (Length-2').Jl�+(#of Holes-1)�=Spacing .��feet <br /> System_ Length x GpF = Gallons sYsretvi � PTPE SIZE 2 y <br /> Gallons +Fiaw rate = #of holes � stzE �� <br /> (Length-2') +(#of Holes-1) =Spacing feet SPACtNG <br /> System_ Leng�h x GpF = Gallons S�M 2 PIPE SIZE 7" <br /> Gallons +Flolw rate = #of holes ' � s� �� <br /> SPACING .O <br /> (Length-2') +',(#of Holes-1) =Sracins feet �M �_ Pt�e sv..F �" <br /> System_ Length x GpF = Gallons <br /> Gallons +Florov rate - #of holes ' �F slzE �� <br /> SPACINCT L.S <br /> (Length-2') +�(#of Holes-1) =Spacing feet gy�M PIPE S1Z.f <br /> I � s� <br /> 9. Calculate total�pm&Calculate System loading � SPACING <br /> Pipe volume x length sYsrFtvt pt� s�e <br /> System I Flow��._gpm �'I x I 10 = 1�.� gal �' srz�E <br /> System "'Z Flow��.�,_gpm .17 x /1 u = 1 k,7 gal SPACING <br /> System� Flow=�'�gpm .)'1 x 110 =15G2 gal Pipe��ter «��s <br /> System_ Flow= gpm x = ga1 1 0.0�5 <br /> System_ Flow= gpm X = g� i$ o.ms <br /> _z__----- - � <br /> Zs ��"o <br /> Total =�gpm = SV.1 ¢allons 3 o.�s <br /> 4 0.66 <br />