Dkg Leed Nc2.2 We

Front 1

Ecologically designed treatment systems that utilize a diverse community of biological organisms (e.g., bacteria, plants and fish) to treat wastewater to advanced levels.

Back 1

What are Aquatic Systems?

Front 2

Motion sensors that automatically turn on/off lavatories, sinks, water closets and urinals. Sensors may be hard wired or battery operated.

Back 2

What are Automatic Fixture Sensors?

Front 3

Wastewater from toilets and urinals

Back 3

What is Blackwater?

Front 4

This does not have a single definition that is accepted nationwide, however, wastewater from toilets and urinals is always considered this.

Back 4

What is Blackwater?

Front 5

Dry plumbing fixtures that contain & treat human waste with microbiological processes.

Back 5

What are Composting toilet systems??

Front 6

The most common irrigation system used in the region where the building is located. Uses pressure to deliver water and distributes it through sprinkler heads above the ground.

Back 6

What is Conventional Irrigation?

Front 7

A high-efficiency irrigation method in which water is delivered at low pressure through buried mains and sub-mains. From the sub-mains, water is distributed to the soil from a network of perforated tubes or emitters. This is also a type of micro-irrigation.

Back 7

What is Drip Irrigation.?

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untreated house-hold wastewater which has not come into contact with toilet waste. -OR- wastewater discharged from lavatories, bathtubs, showers, clothes washers, and laundry sinks.

Back 8

What is Graywater?

Front 9

This area of the site is equal to the total site area less the building footprint, paved surfaces, water bodies, patios, etc.

Back 9

What is Landscape Area.?

Front 10

Generally manual on/automatic off controls which are used to limit the flow time of water. These types of controls are most commonly installed on lavatory faucets and on showers.

Back 10

What are Metering Controls?

Front 11

Involves irrigation systems with small sprinklers and micro-jets or drippers designed to apply small volumes of water. The sprinklers and microjets are installed within a few centimeters of the ground, while drippers are laid on or below grade.

Back 11

What is Micro-irrigation?

Front 12

Water that is not suitable for human consumption without treatment that meets or exceeds EPA drinking water standards.

Back 12

What is Non-Potable water?

Front 13

How do you get exemplary performance credit for WE Credit 3?

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Water Use Reduction 40%

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How many points can you earn from Water Efficiency?

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5

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How many points are available for Innovative Wastewater Technologies?

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One

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How many points are available for Water Efficient Landscaping?

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Two

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How many points are available for Water Use Reduction?

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Two

Front 18

HOW MANY POINTS CREDITS AND PREREQUISITES

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5 POINTS, 3 CREDITS AND NO PREREQS

Front 19

WE c2 Innovative Wastewater Technologies: What are the LEED Baseline values for Bathroom uses for both Males and Females?

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"Male: Water closet- Once/day & Urinals; Twice/day Female: Water Closet- Three/day

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If a building uses no potable water for irrigation can it receive any credits for the water efficient landscaping credits?

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Yes, in fact it automatically qualifies for both (2) credits.

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Uses localized treatment systems to transport, store, treat and dispose of wastewater volumes generated on the project site.

Back 21

What is Onsite Wastewater Treatment?

Front 22

WE c3.1 & 3.2 Water Use Reduction: What are the EPAct of 1992 fixture flowrates for Water closets and Urinals?

Back 22

Water Closets = 1.6 gpf Urinals=1.0 gpf

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WE c3.1 & 3.2 Water Use Reduction: What are the EPAct of 1992 fixture flowrates for Lavatory Faucets & aerators AND Kitchen/Janitor Sinks?

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2.2 gpm

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WE c3.1 & 3.2 Water Use Reduction: What are the EPAct of 1992 fixture flowrates for metering faucets?

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0.25 gal/cycle

Front 25

WE - General: The most significant savings associated with water reduction efforts stem from what 2 ways?

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1) reduced energy-reducing the volumes of water heated or chilled 2) Maintenance Costs-maintenance costs decrease as water volumes are reduced

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Replaces the water flush with a specially designed trap that contains a layer of buoyant liquid that floats above the urine layer, blocking sewer gas and urine odors from the room.

Back 26

What is Waterless Urinal?

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WE - General: How Many prerequisites are in the WE category?

Back 27

0

Front 28

WE credits 1.1-1.2 Water Efficient Landscaping: What is the formula for calculating TWA?

Back 28

Design TWA (gal) = Area (Sf) X (ET(in/IE) X CE x .6233 gal/sf/in. Baseline TWA (gal) = Area (Sf) X (ET(in/IE) X .6233 gal/sf/in.

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WE c1.1 Water Efficient Landscaping- REDUCE by 50%: What are 2 strategies to consider using?

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1) Perform Soil/climate analysis to determine native/adapted plants to use; 2) Use high efficiency irrigation epqt/climate based controllers

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WE c2 Innovative Wastewater Technologies: What are the Requirement for earning Exemplary Performance for this credit?

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100% reduction in potable water for sewage conveyance OR 100% on-site treatment and reuse/infiltration of wastewater

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WE c2 Innovative Wastewater Technologies: What are the requirements for meeting option 1 of this credit?

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Reduce potable water use for sewage conveyance by 50% either through the use of water-conserving fixtures (water closets, urinals) or non -potable water use.

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WE c2 Innovative Wastewater Technologies: What are the 2 requirements for meeting Option 2 of this credit?

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1) Treat 50% of wastewater on site to tertiary standards AND 2) Treated water must be infiltrated or used-on-site

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WE c2 Innovative Wastewater Technologies: What are 2 strategies for reducing Potable water use for Sewage Conveyance?

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1) Use high efficiency fixtures/dry fixtures (composting toilets) 2) Reuse stormwater or graywater.

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WE c2 Innovative Wastewater Technologies: What is the formula for calculating Sewage Volumes (SV)?

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Sewage Volume (gal) = Uses x Duration (flushes or min.) x Water volume/Use (flush/min.)

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WE c2 Innovative Wastewater Technologies: What is the formula for calculating Daily Sewage Generation (DSG)?

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DSG (gal)= (Male occupants x male Sewage Generation (Gal)) + (Female occupants x Female Sewage Generation (gal))

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WE c2 Innovative Wastewater Technologies: What is the formula for calculating Annual Sewage Generation (ASG)?

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ASG (gal)= Total Sewage Generation (gal/day) x # Workdays

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WE c2 Innovative Wastewater Technologies: What are the LEED flow rates for Conventional, Low Flow and Ultra Low Flow Water Closets in GPF?

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Conv Wcloset= 1.6; Low Flow Wcloset= 1.1; Ultra Low Flow Wcloset= 0.8

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WE c2 Innovative Wastewater Technologies: What is the LEED flow rates for composting toilets in GPF?

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0

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WE c3.2 Water Use Reduction- 30% reduction: What are the requirements for achieving this credit

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Employ strategies that in aggregate use 30% less water then the water use baseline for the bldg. after meeting EPAct fixt. perf. Rqts

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WE c3.1 & 3.2 Water Use Reduction: What type of water is excluded from meeting the requirements for these credits?

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Exclude Irrigation

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WE c3.1 & 3.2 Water Use Reduction: What are the only 5 fixture types to be included in meeting the requirements for these credits?

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Only include: Wclosets, urinals, lavatory faucets, showers, kitchen sinks.

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WE c3.1 Water Use Reduction- 20% reduction: What are the requirements for achieving this credit

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"Employ strategies that in aggregate use 20% less water then the water use baseline for the bldg. after meeting EPAct fixt. perf. reqts.

Front 43

WE Credit 1 :Water Efficient Landscaping - What reference standards are associated with this credit?

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There are no reference Standards

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WE Credit 1 :Water Efficient Landscaping - what two sources are excluded from graywater?

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Kitchen Sinks and dishwashers

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WE Credit 1 :Water Efficient Landscaping- Does the landscape area include the building footprint?

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No

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WE credits 1.1-1.2 Water Efficient Landscaping: What is the formula for calculating TPWA?

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Design TPWA (gal) = TWA (gal) - Reuse Water (gal)

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WE credits 1.1-1.2 Water Efficient Landscaping: What is the formula for Reduction in Potable Water?

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% Red PW = (1- Design TPWA/Baseline TWA) x 100

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WE credits 1.1-1.2 Water Efficient Landscaping: What is the formula for calculating the Project-Specific Evapo-transpiration Rate (ETL)?

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ETL= ETo x KL

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WE credits 1.1-1.2 Water Efficient Landscaping: What is the formula for calculating Landscape Coefficient (KL)

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KL= Ks x Kd x Kmc

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WE credits 1.1-1.2 Water Efficient Landscaping: What 4 items are required for the submittal documentation of this credit?

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1) Project calculated baseline TWA 2) Project calculated design case TWA 3) Total non potable water (gal) available for irrigation purposes 4) Narrative describing landscape and irrigation design strategies

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WE credits 1.1-1.2 Water Efficient Landscaping: What are the three categories of species factor?

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1) High 2) Average (Ks= 0.5) 3) Low (Ks= 0 if no irrigation required)

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WE credits 1.1-1.2 Water Efficient Landscaping: What 8 items of information are required for creating the design case for the calculation?

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1) Determine the landscape area 2) Sort the total landscape area into major vegetation types (trees, shrubs, groundcover, mixed, turfgrass) 3) Determine the Density factor, Specified factor, and microclimate factor for each landscape area (use table in credit template) 4) Determine the Landscape Coefficient by multiplying the species, landscape, and microclimate factors. 5) Determine the reference evapo-transpiration rate for the project region in July. 6) Calculate the project specific Evapo-transpiration rate for each landscape area by multiplying the reference ET rate by the Landscape coefficients. 7) Determine your Irrigation efficiency and if applicable your Controller efficiency. 8) Determine the volume of reuse water available in July.

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WE credits 1.1-1.2 Water Efficient Landscaping: What is required for an exemplary performance credit?

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There are no exemplary points available.

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WE credits 1.1-1.2 Water Efficient Landscaping: What is the density factor?

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Kd= Number of plants and total leaf area of the landscape.

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WE credits 1.1-1.2 Water Efficient Landscaping: What is the Landscape coefficient?

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KL=Volume of water lost by evapo-transpiration

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WE credits 1.1-1.2 Water Efficient Landscaping: What is the Microclimate Factor?

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Kmc= Environmental conditions specific to the Landscape including wind, temperature and humidity.

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WE credits 1.1-1.2 Water Efficient Landscaping: What is the species factor?

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Ks= Variation of water needs by different plant species.

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WE credits 1.1-1.2 Water Efficient Landscaping: What is TPWA an acronym for?

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Total Potable Water applied

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WE credits 1.1-1.2 Water Efficient Landscaping: What is TWA an acronym for?

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Total Water Applied

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WE credits 1.1-1.2 Water Efficient Landscaping: What month are all calculations based upon?

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July

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WE credits 1.1-1.2 Water Efficient Landscaping: There should be no irrigation of plants and turf during what months?

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November to April

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WE credits 1.1-1.2 Water Efficient Landscaping: There should be no irrigation of shrubs during what months?

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September to June

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WE CREDIT 1.1: INTENT

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LIMIT or eliminate potable water or other natural surface or subsurface water resources available on or near the site, for landscape irrigation.

Front 64

WE c2 Innovative Wastewater Technologies: For calculation purposes, how many times are female occupants assumed to use a water closet during a typical 8-hour workday?

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3

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WE c2 Innovative Wastewater Technologies: For calculation purposes, how many times are male occupants assumed to use a urinal during a typical 8-hour workday?

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2

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WE c2 Innovative Wastewater Technologies: For calculation purposes, how many times are male occupants assumed to use a water closet during a typical 8-hour workday?

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1

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WE c2 Innovative Wastewater Technologies: For calculation purposes, what three elements change from the design case to the baseline case?

Back 67

1) fixtures 2) sewage generation rates 3) water re-use credit

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WE c2 Innovative Wastewater Technologies: For calculation purposes, where do the fixture flow rates for the baseline case come from?

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Energy Policy Act of 1992

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WE c2 Innovative Wastewater Technologies: the submittal template uses what ration of men to women occupants?

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1 to 1

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WE c2 Innovative Wastewater Technologies: What are the referenced standards for this credit?

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There are no referenced standards.

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WE c2 Innovative Wastewater Technologies: What is the result we are after in performing the basic calculation for this credit?

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total annual sewage generation

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WE c2 Innovative Wastewater Technologies: what type of occupants are used in the calculation?

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daily average of FTE & transient

Front 73

For all of the WATER EFFICIENCY CREDITS (WE c1 thru c3), is the documentation submitted with the design or construction submittal?

Back 73

Design Submittal

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WE c1: Water Efficient Landscaping: Is this a design or construction submittal?

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Design Submittal

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WE c3: Water Use Reduction: Is this a design or construction submittal?

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Design Submittal

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WE c2 Innovative Wastewater Technologies: Is this a design or construction submittal?

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Design Submittal

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WE Credit 2 Intent

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Reduce generation of wastewater and potable water demand, wile increasing the local aquifer recharge.

Front 78

WE c2 Innovative Wastewater Technologies: What are the 2 options for achieving this credit?

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Option 1- Reduce potable water use 50% Option 2- Treat 50% of wastewater

Front 79

WE c2 Innovative Wastewater Technologies: What are the 7 required submittal documents for this credit?

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1) Applicable Plumbing drawings for on site treatment options 2) Occupant Calcs 3) Baseline water usage for sewage conveyance 4) Design case water usage for sewage conveyance. 5) Non-potable water gallons (if applicable) 6) On site treated, infiltrated and reused gallons 7) Narrative of strategies w/ specifics for non-potable & treated water

Front 80

What is WE Credit 3.1 called?

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Water Use Reduction: 20%

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WE c3.1 Water Use Reduction- 20% reduction: The 20% reduction requirement is after meeting what performance requirement?

Back 81

The Energy Policy Act of 1992 fixture performance requirements.

Front 82

WE c3.1 Water Use Reduction- 20% reduction: The credit deals with 5 types of fixtures only. What are they?

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1) Water closets 2) Urinals 3) Lavatory faucets 4) Showers 5) Kitchen Sinks

Front 83

WE c3.1 Water Use Reduction- 20% reduction: This credit deals with all water use except for what?

Back 83

Irrigation

Front 84

WE Credit 3- Water Use Reduction: What are potential strategies for reducing water use?

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Use Better Fixtures (Hi Eff, Dry, and Waterless) 2) Use Occupancy Sensors 3) Reuse of storm water and grey water.

Front 85

What is WE Credit 3.2 Called?

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Water Use Reduction: 30%

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WE Credit 3- Water Use Reduction: What are the referenced standards for this credit?

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Energy Policy ACt of 1992

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WE Credit 3: Water Use Reduction - What is are 2 ways to achieve exemplary performance credits?

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1) Projected water savings of 40% equals one addition ID credit 2) Prove non-regulated fixtures (dishwashers, clothes washers, cooling towers) water use savings is at least 10% of total regulated water use earns one ID credit.

Front 88

WE c1.1 Water Efficient Landscaping- REDUCE by 50%: What are the requirements for this credit?

Back 88

Reduce potable water consumption for irrigation by 50% from a calculated mid-summer baseline case.

Front 89

WE c1.1 Water Efficient Landscaping- REDUCE by 50%: What are the five items that reductions may be attributable to?

Back 89

1) Plant species factor 2) Irrigation efficiency 3) Use of captured rainwater 4) Use of recycled wastewater 5) Use of water treated by public agency specifically for non-potable uses.

Front 90

WE c1.1 Water Efficient Landscaping- REDUCE by 50%: What condition is used to determine potable water reduction?

Back 90

A calculated mid-summer baseline case.

Front 91

WE c1.1 Water Efficient Landscaping- REDUCE by 50%: Where irrigation is required, what two items should be part of the system design?

Back 91

1) Use highly efficient equipment 2) Use climate-based controllers.

Front 92

WE credits 1.1-1.2 Water Efficient Landscaping: What information should be included in the Narrative part of the submittal?

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Description of water use calculation methods & source and quantity of non potable supplies.

Front 93

WE c1.1 Water Efficient Landscaping- REDUCE by 50%: Who is responsible for this credit?

Back 93

Architect

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WE c1.2: Water Eff. Landscaping- NO POTABLE WATER USE or IRRIGATION: If temporary irrigation is required after construction, when must it be removed to meet this credit requirement?

Back 94

Within one year

Front 95

WE c1.2: Water Eff. Landscaping- NO POTABLE WATER USE or IRRIGATION: To satisfy option 1, what four types of irrigation water may be used?

Back 95

1) Use of captured rainwater 2) Use of recycled wastewater 3) Use of recycled graywater 4) Use of water treated by public agency specifically for non-potable uses.

Front 96

WE c1.2: Water Eff. Landscaping- NO POTABLE WATER USE or IRRIGATION: What is the first criteria that must be met to attempt this credit?

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Meet the requirements of WE: Credit 1.1: Water Efficient Landscaping: Reduce by 50%

Front 97

WE c1.2: Water Eff. Landscaping- NO POTABLE WATER USE or IRRIGATION: What are 2 strategies to consider using?

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1) Perform Soil/climate analysis to determine native/adapted plants to use. 2) Use non-potable water sources (stormwater, graywater, and/or condensate water) for irrigation

Front 98

Water that is suitable for drinking and is supplied from wells or municipal water systems.

Back 98

What is Potable Water?

Front 99

WE Credit 3- Water Use Reduction: What are the examples of potential water use reduction actions?

Back 99

1) Use flow reduction aerators/restrictors 2) Use automatic fixture sensors or metering controls 3) Use roof runoff or graywater volumes in water closets 4) Use low flow fixtures

Front 100

WE c1.2: Water Eff. Landscaping- NO POTABLE WATER USE or IRRIGATION: What are the 2 options for achieving this credit?

Back 100

Option 1- Use captured/recycled/non-potable public water Options 2- No permanent irrigation required

Front 101

WE c2 Innovative Wastewater Technologies: What are three types of on-site wastewater treatment systems?

Back 101

1) Biological nutrient removal systems 2) Constructed Wetlands 3) Hi Eff Filtration Systems

Front 102

What credits reference the Energy Policy Act of 1992 ?

Back 102

WE Credit 3)1 & 3)2 Water Use Reduction

Front 103

What does TSS stand for? What is TSS reference/mean?

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1) Total Suspended Solids 2) Measurement of filtered substances in a sample of water

Front 104

What does WE stand for?

Back 104

Water Efficiency

Front 105

What fixture performance requirements need to be met in Water Use Reduction Credit 3.1 and 3.2

Back 105

A Energy Policy Act of 1992

Front 106

Water used for industrial processes & building systems such as cooling towers, boilers & chillers

Back 106

What is Process Water?

Front 107

The highest form of wastewater treatment, that includes the removal of nutrients, organic & solid material, along with biological or chemical polishing (generally to effluent limits of 10 mg/L BOD5 & 10 mg/L TSS).

Back 107

What is Tertiary Treatment?

Front 108

What is intent of the Water Use Reduction Credits WE c3.1 & 3.2?

Back 108

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

Front 109

What is one inexpensive way to reduce potable water usage?

Back 109

install tamper-proof faucet aerators

Front 110

What is option 1 of WE Credit 2?

Back 110

Reduce Potable Water use by 50%

Front 111

What is option 2 of WE Credit 2?

Back 111

Treat 50% of wastewater on-site to tertiary standards.

Front 112

Water from kitchen sinks (perhaps differentiated by the use of a garbage disposal), showers, or bathtubs may be considered blackwater by state or local codes. Project teams should comply with the blackwater definition as established by the authority having jurisdiction in their areas.

Back 112

What is Wastewater?

Front 113

What is FTE?

Back 113

Full Time Equivalent based upon an 8 hour period. 1 person for 8 hours = 1)

Front 114

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

Back 114

What is the Energy Policy Act of 1992?

Front 115

WE CREDIT 1.2: INTENT

Back 115

ELIMINATE the use of potable water, or other natural surface or subsurface water resources available on or near the project site, for landscape irrigation.

Front 116

WE Credit 3- Water Use Reduction: What information should be included with the design case water calcs?

Back 116

Provide fix type, manufacturer, model, & flush/flow rate

Front 117

WE Credit 3- Water Use Reduction: Baseline water usage is base on what data?

Back 117

Typical fixture data (provided in LEED Template)

Front 118

WE Credit 3- Water Use Reduction: What 5 items are required with the Submittal Documentation for this credit?

Back 118

1) Calculated occupants (1:1 men: women) or special occupancy situations. 2) Design case water usage 3) Baseline water usage using typical fixture usage 4) Total non-potable water supply (if Applicable) 5) Narrative of strategies and specific info on reclaimed water

Front 119

What is WE Credit 1 called?

Back 119

WATER EFFICIENT LANDSCAPING

Front 120

What is WE credit 1.1 called?

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Water Efficient Landscaping: REDUCE BY 50%

Front 121

What is WE Credit 1.2 called?

Back 121

Water Efficient Landscaping: NO POTABLE WATER USE OR NO IRRIGATION

Front 122

What is WE Credit 2 called?

Back 122

INNOVATIVE WASTEWATER TECHNOLOGIES

Front 123

What is WE Credit 3 called?

Back 123

WATER USE REDUCTION

Front 124

WE Credit 3- Water Use Reduction: Calculations for these credits are limited to what types of fixtures?

Back 124

Those covered in EPAct 1992

Front 125

WE Credit 3- Water Use Reduction: How do you calculate fixture volumes (FV)?

Back 125

FV (gal) = Daily Uses x Flowrate x Duration x # Occupants

Front 126

WE Credit 3- Water Use Reduction: What is the methodology for calculating the water reduction for this credit?

Back 126

Occ Calcs. List of Fixtures, Design Case calc, Baseline Calcs, Compare Base to Design

Front 127

WE c1.1 Water Efficient Landscaping: What percent of potable water needs to be reduced to earn this credit?

Back 127

A 50% reduction from a calculated mid-summer baseline case.

Front 128

What percent of potable water needs to be reduced to get Water Efficient Landscape Credit 1.2

Back 128

A Potable Free System: 100% total reduction.

Front 129

What percentage of the 26 billion gallons of water consumed daily in the US is due to outdoor uses?

Back 129

30%

Front 130

WE c2 Innovative Wastewater Technologies: What should be included for the calculation of option 1 (Reduce potable water for sewage conveyance by 50%) of the Innovation Wastewater Technologies credit?

Back 130

Water closets, urinals, & other fixtures used for sewage conveyance and listed in EPAct 1992

Front 131

WE credits 1.1 & 1.2 Water Efficient Landscaping: What three materials are ideal for roofing in order to harvest rainwater?

Back 131

Metal, clay, or concrete-based materials

Front 132

What total efficiency percent increase is needed to earn Credit 3.1?

Back 132

20%

Front 133

What total efficiency percent increase is needed to earn Credit 3.2?

Back 133

30%

Front 134

WE c2 Innovative Wastewater Technologies: Where are graywater recovery systems likely to be more cost effective?

Back 134

Remote Areas