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4 <br />A = area in acres of each wetting furrow <br />A = (4 Rates) x R x L = (18)x(19 ) xx(141 = (17)x(2.5)x( _ ? ac(16) <br />43560 43560 43560 <br />Q= Volume of irrigation water to fulfill design (gallon per minute) <br />Q = Gross Irrigation Application x 450 x A <br />T <br />= (9) x 450 x (16) = ( x 450 x (, ?n gpm 7 -- - - - - - -- gpm <br />450 is a conversion constant: <br />450 gpm = 1 acre- inch/hr <br />SYSTEM EFFICIENCY ( maintenance, cleaning head gate, checking; water, farmer needed <br />time off) ... = 1CCU"lo (23) <br />(MRCS states numerous farmers in the Norwood area do not take a day off, so 100% as seen on <br />NRCS design for side roll sprinkler design that DRMS approved) <br />F: \Eng \DA'rA \WP\FLOOD IRRIGATION WORK SI IEE7T Iood Irrigation Design WorkSheetProject Name. 14may10wpd.wpd <br />Attachment 2.05.4(2)(e) -7 -9 <br />