TheLEED for Homes Rating System (v4)includes theLocation and Transportation (LT) Credit: Site Selection, which awards points for building on infill or previously developed sites to minimize environmental impact.
According to theLEED Reference Guide for Homes Design and Construction (v4):
LT Credit: Site Selection (1-3 points)
* Option 1: Infill: At least 75% of the lot's perimeter must border previously developed parcels (e.g., existing buildings or infrastructure).
* Option 2: Previously Developed: The lot must have been previously altered by construction (e.g., a prior home covering a significant portion of the site) before the LEED project.A site with a previous home covering 78% of the lot qualifies as previously developed, but if only one side (25% of a square lot's perimeter) borders a developed parcel, it does not meet the infill requirement.Source: LEED Reference Guide for Homes Design and Construction, v4, Location and Transportation Credit: Site Selection, p. 54.
TheLEED v4.1 Residential BD+Crating system confirms:
LT Credit: Site Selection
A site qualifies forOption 2: Previously Developedif it was previously altered (e.g., a home covering 78% of the lot). Infill requires 75% of the perimeter to border developed land, which a square lot with only one developed side (25%) does not meet.
Source: LEED v4.1 Residential BD+C, Credit Library, accessed via USGBC LEED Online.
Evaluation:
* Infill: The lot is square, with one side (25% of the perimeter) bordering a developed home. This does not meet the 75% perimeter requirement for infill.
* Previously Developed: The previous home covered 78% of the lot, qualifying it as previously developed.
The correct answer isPreviously Developed only(Option B), as the site meets the criteria for Option 2 but not Option 1.
Why not the other options?
* A. Infill only: The site does not meet the 75% perimeter requirement for infill (only 25% borders developed land).
* C. Infill and Previously Developed: The site does not qualify for infill, so it cannot meet both options.
Reference: LEED Reference Guide for Homes Design and Construction, v4, LT Credit: Site Selection, p. 54.
TheLEED AP Homes Candidate Handbookemphasizes LT credits, including site selection, and references theLEED Reference Guide for Homes Design and Constructionas a key resource. The exam is based on LEED v4, ensuring the relevance of previously developed sites.
References:
LEED Reference Guide for Homes Design and Construction, v4, USGBC, Location and Transportation Credit: Site Selection, p. 54.
LEED v4.1 Residential BD+C, USGBC LEED Credit Library, accessed via LEED Online (https://www.
usgbc.org/credits).
LEED AP Homes Candidate Handbook, GBCI, October 2024, p. 12 (references study resources and exam scope based on LEED v4).
USGBC LEED for Homes Rating System (v4), available via USGBC website (https://www.usgbc.org
/resources/leed-homes-design-and-construction-v4).
LEED v4.1 for Homes, USGBC, accessed via LEED Online, confirming site selection criteria.