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What is the intent of Innovation Prerequisite: Preliminary Rating?
The LEED for Homes Rating System (v4) includes the Innovation (IN) Prerequisite: Preliminary Rating, which requires the project team to conduct an early assessment to identify achievable credits and set sustainability goals.
According to the LEED Reference Guide for Homes Design and Construction (v4):
IN Prerequisite: Preliminary Rating
The intent is to maximize opportunities for integrative, cost-effective adoption of green design and construction strategies by establishing a preliminary rating early in the design process. This involves identifying potential credits and setting performance goals with the project team.
Source: LEED Reference Guide for Homes Design and Construction, v4, Innovation Prerequisite: Preliminary Rating, p. 186.
The LEED v4.1 Residential BD+C rating system confirms:
IN Prerequisite: Preliminary Rating
The goal is to foster an integrative process that identifies cost-effective green strategies and aligns the project team on sustainability objectives from the outset.
Source: LEED v4.1 Residential BD+C, Credit Library, accessed via USGBC LEED Online.
The correct answer is to maximize opportunities for integrative, cost-effective adoption of green design and construction strategies (Option C), as this reflects the prerequisite's focus on early planning for sustainability.
Why not the other options?
A . To define the credits that can be achieved most cost-effectively: While cost-effectiveness is considered, the primary intent is integrative strategy adoption, not just cost.
B . To define the mandatory certification level at the beginning and declare it to all parties: The prerequisite does not mandate a certification level; it sets goals for credits.
D . To encourage exceptional performance for current credits and promote innovative performance in pioneering areas: This is the intent of IN Credit: Innovation, not the prerequisite.
The LEED AP Homes Candidate Handbook emphasizes IN prerequisites, including Preliminary Rating, and references the LEED Reference Guide for Homes Design and Construction as a key resource. The exam is based on LEED v4, ensuring the relevance of integrative planning.
References:
LEED Reference Guide for Homes Design and Construction, v4, USGBC, Innovation Prerequisite: Preliminary Rating, p. 186.
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 preliminary rating intent.