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FAQs about LTc4 :

When it comes to satisfying the requirements for Option 1, what does the "total buildable land" take into account? And the "total building area"?

Where do we measure the radius from? In LEED 2009, we measured it from the main entry, but the LEED v4 language is different.

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NC-v4 LTc4:Surrounding density and diverse uses

Calculating Residential Density - comparing to what acreage?

In calculating the DU/acre, what land is used to determine the overall acreage? Am I comparing the # of residential units compared to the total acreage in the 1/4 radius, that total acreage minus roads, the total acreage of the plots where the residential units are located?  This credit seems overly complicated unless your project is in a densely occupied urban area.

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Profile picture for user emily.purcell
Emily Purcell
Sustainable Design Lead
CannonDesign
LEEDuser Expert
379 thumbs up

Fri, 08/09/2019 - 15:19

It's overly complicated for urban projects too...hours of documentation time to demonstrate something that's self-evident from the project location.  Anyway, the total acreage should exclude roads as they are not buildable land. If you're calculating the residential and nonresidential separately, the acreage is only residential property area. You'll still need to account for other land areas in the grand total (commercial land, undeveloped land) but the residential DU/A calculation is dwelling units / acreage of land with residential buildings on it.

Wed, 05/27/2020 - 22:31

We have a project that lies within a development district whereby parking lots are dedicated for parking, for eternity.  Do these parking lots count as developable land? And related, do parking lots on a plat of land that services residential, or commerical, count as developable land, even though the district's 2.0 FAR is maxed out, preventing further devleopment? Thank you,
Profile picture for user lsmith_1
Laura Smith
Architect
CRSA
LEEDuser Basic Member
0 thumbs up

Thu, 08/13/2020 - 21:18

Brian - I have a similar question regarding this credit. If the land were 75% open space and an 8 story building occupies 25% of the site, this would achieve a FAR of 2 and be inherenlty more dense than the credit requirement of 22,000sf/acre with a .5 FAR. These are the hard questions. Thank you, Laura           

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