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TOTAL SIDEROLL <br />HEADLOSS = (Sideroll Length fSR.LI) x (Headloss r181) x f F1 <br />with 5 Lateral (2.31)x(100) <br />(r'�- ' /)x( 0,3 0 - X57 ' psi [19) <br />2.31x100 <br />PRESSURE GAIN (or LOSS) DUE <br />TO FIELD SLOPE = [S1 e x fSRIJ x ( /a$D <br />2.31 x 100 2.31.x 100 <br />NOTE: Look at most <br />restrictive conditions = ( d —) + psi [20] pressure <br />in an entire field. due to elevation change <br />PRESSURE VARIATIO <br />= Sideroll Headloss [191 + Elev. nre-ssure Gain or Loss f201 <br />[DP] <br />or x 100 <br />*PRESSURE VARIATION MUST NOT EXCEED + 10% of DP. If flow control <br />nozzles are used, then ± 10% prssure limit can be dealt easily. <br />REOUIRED PRESSURE AT MAINLINE AT BEGINNING OF S'I DEROLL [MPS <br />For Level Laterals <br />[ DPI + <br />0.75 +1 <br />= T� <br />. <br />For Lateral Laid Downhill <br />= [DP] <br />+ 0.75 [19.] - <br />0.5 [20] <br />+ 1 <br />For Laterals Laid Uphill <br />= [DP] <br />+ 0.75 C 19 + <br />0.5 [20] <br />+ 1 <br />(not recommended) <br />- <br />+ 0.75 [ -1 + <br />0.5 r]_ <br />+ 1 = _ <br />Attachment 2.05.4(2)(e) -7 -16 <br />