LEED Water Efficiency Concepts 5

Question 1

Under LEED BD+C, which of the following is an example of an 'alternative water source' that can reduce potable water demand?

Accepted Answer

Municipally supplied reclaimed water used for toilet flushing

Answer

Municipally supplied reclaimed (recycled) water is a recognized non-potable alternative water source for flushing fixtures.

Question 2

What does a 'water budget' approach in LEED landscape design involve?

Accepted Answer

Calculating the maximum allowable irrigation volume based on plant species, climate, and area, then designing to stay within that limit

Answer

A water budget sets an evapotranspiration-based limit on irrigation volume, guiding plant selection and system design to reduce outdoor water use.

Question 3

Which LEED credit rewards projects that achieve zero potable water use for irrigation?

Accepted Answer

Outdoor Water Use Reduction at the maximum credit threshold

Answer

Achieving zero potable water for irrigation earns the maximum points available under the Outdoor Water Use Reduction credit.

Question 4

A hospital project team notes that sterilization equipment uses significant amounts of water. Under LEED, this is classified as what type of water use?

Accepted Answer

Process water (non-regulated)

Answer

Sterilization equipment is a process water use, classified as non-regulated because it is not governed by standard plumbing fixture codes.

Question 5

What role does the 'Evapotranspiration Rate' (ETo) play in LEED outdoor water calculations?

Accepted Answer

It represents the reference water loss from soil and plants, used to calculate baseline irrigation demand

Answer

ETo is the reference evapotranspiration rate for a region, forming the basis of the irrigation water budget calculation in LEED.

LEED - Leadership in Energy and Environmental Design Certification Practice Test

LEED - Leadership in Energy and Environmental Design Certification Practice Test

LEED Water Efficiency Concepts 5