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Can non-potable well water that is used for irrigation contribute to potable water reduction?

Can surface water, such as water from an irrigation ditch or a local creek, be used as nonpotable water?

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NC-2009 WEc1:Water Efficient Landscaping

IE for manual irrigation

¿what is the IE for manual irrigation? I will use no potable water for this, I will apreciate your response cause asked about this once and did not got an answer, thank you very much

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Tristan Roberts
Representative
Vermont House of Representatives
LEEDuser Expert
7780 thumbs up

Fri, 12/02/2011 - 06:50

Someone please correct me if I'm wrong, but I don't think iE for manual irrigation is relevant if it's nonpotable water use—IE is only relevant under Option 1, reducing potable water use.

Fri, 12/02/2011 - 15:11

I understand, but im filling out the credit´s table in leed online and I have to put something though so : Sprinkler is .625 Drip .90 and manual irrigation will be? less than .625 of course, .20 will be ok ? Thank you very much Tristan !!

Fri, 12/02/2011 - 15:22

I forgot to mention im under option 1 , in wich the landscape and irrigation system have been designed to reduce irrigation water consumption and water will be non potable, so I have to fill out the IE

Fri, 12/02/2011 - 20:15

We have the same doubt. If the project uses non potable water sufficient to meet 100% of irrigation demand, but does not install an irrigation system, this project can pursue both WEc 1.1 and 1.2? Is this case we should consider sprinkler in base line and design case?

Mon, 12/05/2011 - 13:42

Dario & Wagner, what have you decided for the irrigation efficiency for the manual irrigation? Our project is using potable water and the efficiency coefficient matters. Thanks!

Tue, 12/06/2011 - 19:02

Maria , I put an efficiency of .3 , not sure though but thats what i decided to do for now, manual irrigation its not efficient so I put a .3 less than sprinkler or driping.

Wed, 12/07/2011 - 09:48

Thanks Dario! Would be curious to see whether GBCI comments on that.

Thu, 12/08/2011 - 13:55

Maria, we used sprinkler in both baseline and designs case. I now that it´s not true, because manual irrigation have less efficiency than automatic irrigation. But we are considering the same way as is assumed in EAp2, if we do not consider the benefit of the irrigation system, you can consider the same in design and the baseline.

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