Leed - Ci - Water Efficiency - 2.0

Front 1

Name WE Credit 1.1

Back 1

Water Use Reduction - 20%

Front 2

What credit is Water Use Reduction - 20%

Back 2

WE Credit 1.1

Front 3

How many points are earned for water use reduction by 20%

Back 3

1

Front 4

How many points are earned for WE Credit 1.1?

Back 4

1

Front 5

Name WE Credit 1.2

Back 5

Water Use Reduction - 30%

Front 6

What credit is Water Use Reduction - 30%

Back 6

WE Credit 1.2

Front 7

How many points are earned for water use reduction by 30%

Back 7

1 point in addition to WE1.1's s point, for a combined total of 2 points

Front 8

What's the Intent for WE Credit 1.1 and 1.2 - WE Water Use Reduction?

Back 8

Maximize water efficiency within tenant spaces to reduce the burden on municipal water supply and wastewater systems.

Front 9

What are the requirements for WE Credit 1.1, Water Use Reduction 20%?

Back 9

Based on tenant occupancy requirements, employ strategies that in aggregate use 20% less water that the water use baseline calculated for the tenant space (not including irrigation) after meeting Energy Policy Act of 1992 fixture performance requirements.

Front 10

What are the 2 Submittals for WE Credit 1.1, Water Use Reduction 20%?

Back 10

1) Provide LEED for CI Submittal Template, signed by the MEP Engineer or other responsible party declaring that the project uses 20% less water, based on tenant occupancy requirements, than the baseline fixture performance requirements of the Energy Policy Act of 1992.
2.) Provide spreadsheet calculation demonstrating that the water-consuming fixtures identified for the stated occupancy and use of the tenant reduce occupancy-based potable water consumption by 20% compared to baseline conditions.

Front 11

What are potential Technologies and Strategies for WE Credit 1.1, Water Use Reduction - 20%?

Back 11

Estimate potable water needs for the tenant space. Use high-efficiency fixtures such as composting toilet systems and non-water using urinals, and occupant sensors to reduce the potable water demand.

Front 12

What are the REQUIREMENTS for WE-Credit 1.2?

Back 12

Based on tenant occupancy requirements, employ strategies that in aggregate use 30% less water than the water use baseline calculated for the tenant space (not including irrigation) after meeting Energy Policy Act of 1992 fixture performance requirements.

Front 13

What are the 2 Submittals for WE Credit 1.2, Water Use Reduction 20%?

Back 13

1) Provide LEED for CI Submittal Template, signed by the MEP Engineer or other responsible party declaring that the project uses 20% less water, based on tenant occupancy requirements, than the baseline fixture performance requirements of the Energy Policy Act of 1992.
2.) Provide spreadsheet calculation demonstrating that the water-consuming fixtures identified for the stated occupancy and use of the tenant reduce occupancy-based potable water consumption by 30% compared to baseline conditions.

Front 14

What does EPAct stand for?

Back 14

The Energy Policy Act (EPAct) of 1992

Front 15

What is the Energy Policy Act (EPAct) of 1992?

Back 15

This Act was promulgated by the U.S. government and addresses energy and water use in commercial, institutional and residential facilities.

Front 16

How much water does the EPAct of 1992 conservation standards save?

Back 16

estimated 6.5 billion gallons of water a day in the U.S.

Front 17

What did the EPAct of 1992 develop standards for?

Back 17

* Water Closets
* Shower Heads
* Faucets
* other uses

Front 18

What uses the most water in both residential and commercial buildings and accounts for how much water?

Back 18

toilet flushing - 4.8 billion gallons per day

Front 19

What are the requirements of new toilets compared to older toilets?

Back 19

* Older toilets use 4-8gallons of water per flush
* New toilets must have a max. flush volume of 1.6 gallons

Front 20

What are other effective methods to achieve greater water savings?

Back 20

1)Reusing roof runoff or collected graywater volumes for non-potable applications
2)Installing and maintaining water fixture control sensors.
3)Installing flow restrictors on lavatory and sink fixtures
4)Installing submeters
5)Installing dry fixtures such as composting toilet systems and non-water using urinals

Front 21

What are some water fixtures to consider calculating for exemplary performance in WE Credit 1?

Back 21

ultra-high efficiency fixtures such as dishwashers, clothes washers, and other water consuming fixtures

Front 22

Which water fixtures are calculated for WE Credit 1?

Back 22

toilets
faucets
showers

Front 23

EPAct 1992 Flow Requirement for Water Closets [GPF]

Back 23

1.6 GPF

Front 24

EPAct 1992 Flow Requirement for
Urinals [GPF]

Back 24

1.0 GPF

Front 25

EPAct 1992 Flow Requirement for
Showerheads [GPM]

Back 25

2.5

Front 26

EPAct 1992 Flow Requirement for
Faucets [GPF] at flowing water pressure of 80 pounds per square inch

Back 26

2.2 GPM

Front 27

EPAct 1992 Flow Requirement for
Replacement Aerators [GPM] at flowing water pressure of 80 pounds per square inch

Back 27

2.2 GPM

Front 28

EPAct 1992 Flow Requirement for
Metering Faucets [gal/CY]

Back 28

0.25 gal/CY

Front 29

How does the IPC (International Plumbing Code) define Gray Water Recycling Systems?

Back 29

waste water discharged from lavatories, bathtubs, showers, clothes washers, and laundry sinks

Front 30

How does the UPC (Uniform Plumbing Code) define Graywater?

Back 30

untreated household waste water which has not come into contact with toilet waste. Includes water from bathtubs, showers, bathroom wash basins, and water from clothes-washer and laundry tubs, it shall not include waste water from kitchen sinks or dishwashers.

Front 31

What graywater definition should project teams comply with when there's a difference with UPC and IPC in state and local codes?

Back 31

With Graywater definitions as established by the authority having jurisdiction in their areas.

Front 32

Define Fixture Sensors

Back 32

ultra-sonic or infrared sensors applied to lavatories, sinks, water closets and urinals to sense fixtures use and automatically flush or turn on and off.

Front 33

Define Potable Water

Back 33

water used for industrial processes and building systems such as cooling towers, boilers, and chillers

Front 34

Define Composting Toilets

Back 34

dry plumbing fixture that contains and treats human waste via microbiological processes

Front 35

Define non-water using urinals

Back 35

dry plumbing fixture that uses advanced hydraulic design and a buoyant fluid instead of water to maintain sanitary conditions.