To reduce indoor water consumption.
Nonresidential buildings, mixed-use buildings, and multifamily residential buildings four stories or moreFor new buildings and buildings undergoing major renovations as part of the project, reduce indoor water usage by an average of 40% from a baseline All newly installed toilets, urinals, private lavatory faucets, and shower heads that are eligible for labeling must be WaterSense labeled (or local equivalent for projects outside the U.S.). For fixtures and fittings listed in Table 1, as applicable to the project scope, calculate the baseline water consumption using estimated occupant usage. The design case is calculated as a weighted average of water usage for the buildings constructed as part of the project, based on their floor area.
Table 1. Baseline water consumption of fixtures and fittings
New single-family residential buildings and new multiunit residential buildings three stories or fewer90% of buildings must use a combination of fixtures and fittings that would earn 4 points under LEED for Homes v4 WE Credit Indoor Water Use.
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