BIE 5110/6110 Sprinkle & Trickle Irrigation Fall Semester, 2004 Assignment #7 (200 pts) Operating Point for Fixed Sprinkler System Due: 29 Oct 04 Given: •A fixed sprinkler system (all sprinklers operate simultaneously) in an orchard. •Buried IPS-PVC 1-½” lateral pipes (see Table 8.3 of the textbook). •Rainbird®under-tree M20VH impact sprinklers with 5/64-inch SBN-1 nozzle (see www.rainbird.comfor technical specifications). •Lateral spacing: Sl= 40.00 ft. •Sprinkler spacing: Se= 40.00 ft. •The field is trapezoidal in shape, as shown below: 800 ft1,100 ftpumpmainline560 ft0.10% uphill0.18% downhill•In the above figure, only some of the laterals and sprinklers are shown, but remember that the field area is covered with sprinklers in a fixed, permanent system. •There are 27 laterals along the mainline. 1
has intentionally blurred sections.
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