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NC-2009 WEc1:Water Efficient Landscaping

Establishment period for 50% landscape water use reduction

All mention of establishment periods refer to the no potable water/irrigation case (WEc1 Option 2), but what about for Option 1, 50% non-potable water use reduction?

If a 50% reduction in potable water use for landscaping is demonstrated using the LEED calculation or WaterSense Water Budget Tool* (WEc1 Option 1), is it acceptable to include additional temporary irrigation for 2 years** for the purpose of establishment? 

 

*LEED Interpretation ID#10440

**The 2 year establishment period for Option 2 is from CIR 1311.

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