LEED Chapter 4

Goal of water efficiency credits are to? (5)
1)Reduce potable water use
2)Protect aquifers
3)Reduce the municipal water use
4)Reduce the need for treatment of waste water
5)2009v3 Water Efficiency prerequisite
Plants that grow naturally in an area are called?
Native Plants
Non-native plants that perform well I the local climate are called?
Adaptive Plants
Invasive plants are?
Are plants that grow quickly and aggressively, spreading and displacing other plants
A type of landscaping and gardening that reduces or eliminates the need for supplemental irrigation
Land that requires Artificial Irrigation
Irrigated Land
7 common sense principle for Xeriscaping
1)Proposer planning and design
2)Soil analysis and improvement
3)Appropriate plant selection
4)Practical turf areas
5)Efficient irrigation
6)Use of mulches
7)Appropriate maintenance
Mulching is used to?
Preserve moisture
Keep root warm in cold months
Keep roots cool in warm months
The Cons of Turf Grass
1)Increases stormwater runoff
2)Promotes disease (monocultural)
3)Requires extensive and expensive maintenance
4)Requires fertilizing
Drip Irrigation
Allows water to drip slowly to the roots of the plants, through a network of pipes, valves, or tubing.
Graywater is?
is household waste water that has never touched food or human waste
Blackwater is?
Water from kitchen sinks, dishwasher, and toilets – has to be treated.
Toilets account for __% of daily water use in United States
High Efficiency Toilet
A program sponsored by the U.S. Environmental Protection Agency that helps consumers identify high-performance, water efficient toilets that can reduce water and waste water use, costs, and conserve the nation’s water resources
WaterSense Label
Benefits of Waterless Urinals
1)no water
2)no levers
3)lowered maintenance
4)vandal resistant
5)eliminates flooding
6)more hygienic
How does Composting Toilet Systems work?
Don’t require water, and treat waste with microbiological treatment processes
Name the Indoor Water Efficiency Strategies (9)
1 Dual-Flush Toilets
2 HETs
3 Waterless Urinals
4 Composting Toilet Systems
5 Low-Flow Showerheads and Faucets
6 Install low flow aerators and/or Motion Sensors
7 Install Water Meters
8 Use Stormwater and/or Graywater
9 Waste Water Treatment & Reuse
Define Reclaimed Water
Water that has been treated for reuse, has been proved beneficial and economical in green building design
Used to regulate temperatures in building, absorbs heat and release it as steam
Cooling Towers
Where does the Baseline Water Demand comes from?
EPAct of 1992
Design Case Water Demand
Must reduce water by at least 20% from baseline for LEED prerequisite
Energy Policy Act of 1992 established?
Established conservation standards for water closets, shower heads, faucets, etc.
Full Time Equivalent (FTEs) is?
Equivalent of an 8-hour work day = FTE of 1.0
Equivalent of an 4-hour work day = FTE of 0.5
A joint program of the U.S. EPA and the U.S. DOE helping us all save money and protect the environment through energy efficient product and practices