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NC-2009 SSc5.1:Site Development—Protect or Restore Habitat

what is the exact definition of footprint

Profile picture for user ebru unver
ebru unver
LEED AP BD+C
ILTAY
LEEDuser Basic Member
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hi everyone, we re working on a project in Turkey İstanbul in which we will be applying for this credit. But we re having a hard time on deciding what the building footprint is. we have placed concrete water tanks on the basement floor and covered the top with vegetation as a continious part of the vegetated open grid. so my concerns is that; do these water tanks count as a part of the building footprint or not? and if they do; does the vegetated space over them count as a roof top? Thank you in advance

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Wed, 10/01/2014 - 19:56

Ebru - We have had this problem before. The guidance we've been given was that the footprint is the perimeter of all structures on site, when viewed from above. However, you will need to use your best judgement and the intent of all LEED credits when it comes to structures below ground and overhanging structures above ground. What you describe sounds like a green roof, but it might depend on the depth below ground. In cases like this, you must develop a solid argument, communicate it to the reviewer through the LEED credit forms, and use it consistently across all credits. I hope that helps.

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