Full TGIF Record # 289836
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Web URL(s):http://www.irrigation.org/IA/FileUploads/IA/Resources/TechnicalPapers/2013/UsingCollectedRainwaterForIrrigation.pdf
    Last checked: 10/06/2017
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Publication Type:
i
Proceedings
Author(s):Drew, Robert
Author Affiliation:Founder, Ecovie Environmental LCC
Title:Using collected rainwater for irrigation
Section:Turf
Other records with the "Turf" Section
Source:Irrigation Show 2013: Technical Session Proceedings. 2013, p. [1-3].
Publishing Information:[Falls Church, Virginia]: [Irrigation Association]
# of Pages:3
Keywords:TIC Keywords: Backflow prevention devices; Filtration; Irrigation system design; Irrigation water; Pumping systems; Rainwater harvesting; Water resources
Abstract/Contents:"Rainwater collection is a proven water source for irrigation. Applying some basic principles, some of the pitfalls of rainwater collection can be avoided. Following water collection guidelines of ARCSA and some basic guidelines for pumping controls and city/well water back up, avoids many of these pitfalls. This paper is based on in the field experience integrating residential and commercial scale rainwater systems. Experience troubleshooting poorly designed rainwater systems shows that the most likely culprit leading to unreliable performance is pre?filtration. If pre?filtration is non?existent or done in a way that passes debris, then issues arise with irrigation valves plugging over time and with pumping. Sometimes, filters blind over with debris which limits water capture. The answer to this is either more frequent cleaning or installation of self cleaning filters (usually preferred). Pump selection can be an important consideration. If there is an existing irrigation system, flow while running should be checked along with an estimate of water flow. This gives a specification for pump selection in PSI and flow, which in turn can be matched with pump curves. For new installation, the expected flow and PSI should also me estimated to choose the correct rainwater pump. Back up can take many formats. This paper presents three common methods. First, dual irrigation master valves are used, one for city water and the other for rainwater. A float switch in the rainwater tank tells which valve to open for an irrigation cycle. The second uses various forms of pressure reduction valves. The third employs a three way valve to switch between two water sources based on rainwater tank level."
Language:English
References:0
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Drew, R. 2013. Using collected rainwater for irrigation. p. [1-3]. In Irrigation Show 2013: Technical Session Proceedings. [Falls Church, Virginia]: [Irrigation Association].
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http://www.irrigation.org/IA/FileUploads/IA/Resources/TechnicalPapers/2013/UsingCollectedRainwaterForIrrigation.pdf
    Last checked: 10/06/2017
    Requires: PDF Reader
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