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NC-2009 SSc1:Site Selection

Previously developed land must comply with 100-year flood?

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Ricardo Sá
Director of Sustainability
Edifícios Saudáveis Consultores (503 910 767)
LEEDuser Basic Member
79 thumbs up

The latest version of the LEED template for this credit (v5.0) has a change regarding how the compliance is demonstrated when the projects are outside U.S. Now we have to demonstrate compliance via a local equivalent to the U.S. codes. Regarding the 100-year flood requirement, when we tick the requirement we have to demonstrate compliance using an "equivalent local regulatory agency" or a "professional hydrologist". However, once this requirement only applies to previously undeveloped land I don't know how we can demonstrate compliance if our site is previously developed. In these cases it should be enough that the site is previously developed, don't you agree?

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April Brown
Sustainable Building Consultant
Green Bridge Consulting
LEEDuser Expert
28 thumbs up

Fri, 06/13/2014 - 20:39

Yes, there are two criteria in the flood plain requirement - previously undeveloped and lower than 5-feet above the 100-year flood plain. Though I see how this form is confusing. I would submit a question to GBCI through the contact us avenue to get specific guidance on this. Hopefully, that will also ping the appropriate parties to make a universal correction.
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Maya Karkour
EcoConsulting
LEEDuser Basic Member
549 thumbs up

Wed, 10/14/2015 - 06:35

Hello, did you obtain a reply from GBCI confirming that when the site is previously developed, we don't need a professional hydrologist report for the 100-year flood requirement? Many thanks

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