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Irrigation / Golf Course irrigation

« on: July 21, 2012, 08:45:00 PM »

hey guys, im designing a new irrigation system for my golf course and im looking for some help. this is a very budget concious system. the system will be an electric valve and hydraulic head block system. The pump station will be at the highest point of the course, the farthest point from the pump station is 3-4000 feet in distance and about 100 feet in elevation change. the are 4-5 holes that are at the same elevation as the pump station, but most of the system is downhill of it. Im going to be running 6" main line. I'm trying to plan the best pump set up for me, due to it being so downhill, i dont feel i need a huge pump station as gravity will do most of it for me. the pump im eyeing is a 6" end suction centrifugal low speed pump that can flow 2000 gallons/min and is 30hp. im planning on making my own pump station, utilizing a CSV and a pressure tank, pressure relief valve and probably a nema 3r control panel. i guess my questions are if im using the right pump? when i've only got one zone turned on, or im using a quick coupler will the csv dial that big pump down enough or should i have a seccond jockey pump as well? the other thing i was wondering about is how to incorporate soft starting onto a pump.

thanks guys for any help, i really appreciate it.
RJ