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k SIDEROLL, SPACING: <br />S shall not exceed 65% of Sprinkler Wetted diameter (D) <br />SM shall not exceed 50% of Sprinkler Wetted diameter (D) <br />Considering up to 5 mph wind use Stn =GO o of (D) , S1=50% of (D) <br />SPRINKLER SET SPACING <br />(Assume 60ft design spacing with 100 ft wetted diameter) ft [Stn] <br />SPACING OF NOZZLE ALONG LATERAL <br />(Assume 40ft design spacing with 100' ft wetted diameter) 410 ft [S 11 <br />NUMBER DAYS TO IRRIGATE <br />WITH 1 SIDEROLL = Field Len th L Set Time 11 + 1 hr <br />� <br />�G j� <br />�) [Sm] x (24) <br />L <br />wt x f (12 ) +11 _ (% �) days [13] <br />NUMBER SIDEROLLS NEEDED = 4 days one sideroll [13] <br />irrigation frequency [7) <br />_ V, ) _ 0, _,round to siderolls [14) <br />REQUIRED SPRINKLER HEAD CAPACITY: <br />Flow at Nozzle = Hourly Apo. Rate [12] x (SS x S1Z <br />/' 96.3 (conversion factorn ) _ <br />(01 x ( V ) x ( T _ gpm [15] <br />96.3 <br />SPRINKLER NOZZLE COVERAGE: <br />Select Nozzle from Catalogs with <br />given pressure psi [P] <br />required head capacity _, 2 gpm [15] <br />Start with nozzle selection with a 100ft + 5ft Wetted Diameter. <br />