LEED only cites only two types of irrigation and their efficiency. For quite some time now the irrigation manufacturing industry has improved their sprinkler products tremendously and it might be fair to say that the efficiency for some sprinklers, e.g. Hunter MP Rotator nozzles, is by far higher than 0.625. Cities sometimes require above ground irrigation which limits the opportunities to receive LEED WEc1. Does anyone have suggestions how to incorporate a higher efficiency number in the LEED calcs? Advice is greatly appreciated. Thanks,
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Gunnar Hubbard
93 thumbs up
July 1, 2010 - 11:30 am
Since the default efficiency values are not adjustable on the LEED template, I recommend recreating the calculation in a spreadsheet to incorporate the higher efficiency rates, and uploading this to LEED Online under the credit file uploads. If pursuing this path, you will need to indicate this strategy on the template in a narrative (additional details, alternative compliance path), upload the spreadsheet, and also upload manufacturer information listing the efficiency rate you are indicating on the spreadsheet. Hope this helps!