WE Flashcards
What does WE stand for?
Water Efficiency
What is WE Credit 1 called?
Water Efficient Landscaping
What is the intent of Water Efficient Landscape Credit?
Limit or eliminate use of potable water for landscape irrigation.
How many points are available for Water Efficient Landscaping?
Two
What is required for Water Efficient Landscape Credit 1.1?
High efficiency irrigation technology OR captured rain or recycled site water.
What percent of potable water needs to be reduced to get Water Efficient Landscape Credit 1.1?
50% reduction over conventional means.
What is required for Water Efficient Landscape Credit 1.2?
Use only captured rain or recycled site water OR do not install permanent landscape irrigation systems.
What percent of potable water needs to be reduced to get Water Efficient Landscape Credit 1.2?
Potable Free System: 50% additional reduction (100% total reduction).
What are 2 strategies for Water Efficient Landscape Credits?
Design landscape with indigenous plants; Use high efficiency irrigation systems
What is WE Credit 2 called?
Innovative Wastewater Technologies
What is intent of Innovative Wastewater Technologies Credit?
Reduce generation of wastewater and potable water demand while increasing local aquifer recharge.
How many points are available for Innovative Wastewater Technologies?
One
What is required for Innovative Wastewater Technologies Credit 2.0?
Reduce use of municipally provided potable water for building sewage by at least 50% OR treat 100% of wastewater on site to tertiary levels.
What are 2 examples of Innovative Wastewater Technologies?
Change 50% of urinals & toilets to composting toilets and waterless urinals; Reuse storm water or greywater for sewage conveyance.
What is WE Credit 3 called?
Water Use Reduction
What is intent of the Water Use Reduction Credit?
Maximize water efficiency to reduce the burden on municipal water supply.
How many points are available for Water Use Reduction?
Two
What is required for Water Use Reduction Credit 3.1?
Employ strategies that use 20% less water than baseline calculated for building.
What fixture performance requirements need to be met in Water Use Reduction Credit 3.1?
Energy Policy Act of 1992
What is required for Water Use Reduction Credit 3.2?
Employ strategies that use 30% less water than baseline calculated for building.
What total efficiency percent increase is needed to earn Credit 3.2?
30%
What must be calculated before employing any strategy?
Estimate water needs (identify number of building occupants).
What are some technologies that reduce water demand?
High efficiency fixtures, dry fixtures, and occupant sensors.
What strategy can be used to reduce water demand?
Reuse of storm water and greywater for non-potable applications.
What are non-potable applications where water demand can be reduced?
Toilet flushing, mechanical systems, and custodial uses.
