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FAQs about WEp1 :

The EPA WaterSense methodology and calculator allows only certain types of irrigation to be assigned to certain vegetation types. Why is this and won’t it skew results?

What if we just have a little green area on our rooftop? Is there a minimum amount of landscaped area to earn the prerequisite and credit?

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NC-v4 WEp1:Outdoor water use reduction

green building - LEED

hello every body.

is there any one here that knows what are the questions that i should ask to analyse a building to know is it green or not ? i am using LEED guideline and for example in : outdoor water use reduction , what are the necessary questions that i should ask builders to get my goal ? thank you so much,it's kind of you to answer and help me.

best regards

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Dustin Norton
Sustainability Program Manager
Primus Design Services, LLC
LEEDuser Premium Member
40 thumbs up

Wed, 12/19/2018 - 19:25

I am a little confused by your question. The term "green building" gets tossed around a lot these days and can mean different things to different people. If you are qualifying a "green building" as being one that is LEED certified, you would need to meet this prerequisite - so either showing no irrigation in the project boundary or demonstrating a 30% reduction in outdoor water use when compared to the baseline case (determined using the calculation provided for this credit). A reduction in outdoor water can be achieved by using native/adapted plants which require little or no irrigation and/or using an efficient irrigation system/contols. Rainwater can be used for irrigation to demonstrate a further reduction a gain points in the credit associated with this prerequisite.  

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