Term
List the 6 categories of LEED. |
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Definition
- Sustainable Sites
- Water Efficiency
- Energy & Atmosphere
- Materials & Resources
- Indoor Environmental Quality
- Innovation in Design
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Term
Which LEED categories have prerequisites? |
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Definition
All categories except Water Efficiency and Innovation in Design. SS - 1 E&A - 3 M&R - 1 IEQ - 2 |
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Term
List the 8 Main Credits of Sustainable Sites |
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Definition
1. Site Selection 2. Development Density & Community Connectivity 3. Brownfield Redevelopment 4. Alternative Transportation 5. Site Development 6. Stormwater Design 7. Heat Island Effect 8. Light Pollution Reduction |
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Term
What is the SS pre-requisite? |
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Definition
Construction Activity Pollution Prevention. Includes: - ESC (erosion and sedimentation control) - seeding (temp. or permanent) - mulching - silt fencing - earth dikes - sediment trap - sediment basins |
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Term
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Definition
Erosion and Sedimentation Control. (part of the SS prereq "Construction Activity Pollution Prevention" |
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Term
SS Credit 1 SITE SELECTION list the 6 types of sites where building is prohibited: |
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Definition
- prime farmland - land 5' below flood line - habitats for endangered species - wetlands (within 100') - previously undeveloped land within 50' of water - public parkland (unless new equal parkland provided elsewhere) |
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Term
SS Credit 2 DEVELOPMENT DENSITY & COMMUNITY ACTIVITY list the two options |
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Definition
option 1: - must be previously developed site - min. community density of 60,000 sf/net acre option 2: - must be previously developed site - 1/2 mi. from residential zone (10 units/acre) - 1/2 mi. from 10 "basic services" - pedestrian access to basic services |
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Term
what is the current LEED version? |
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Definition
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Term
List the 9 types of LEED certifications. |
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Definition
- New Construction (& Major Renovation)
- Existing Buildings
- Commercial Interiors
- Core & Shell
- Schools
- Retail
- Healthcare
- Homes
- Neighborhood Development (Pilot)
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Term
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Definition
Leadership in Energy and Environmental Design Accredited Professional |
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Term
List the 4 levels of LEED certification. |
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Definition
- Certified
- Silver
- Gold
- Platinum
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Term
What are the approximate LEED registration and certification costs? |
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Definition
- registration $450 for USGBC members ($600 for non-members)
- certification depends on project size and type. average cost is $2,000, but can be as expensive as $15,000.
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Term
In the US, buildings use what fraction of - total energy? - total electricity? - total water? |
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Definition
- 1/3 of the energy
- 2/3 of the electricity
- 1/8 of the water
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Term
When and how does the LEED process begin? |
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Definition
Project teams need to register on the LEED website (www.leedbuilding.org) during the early stages of the project. |
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Term
How many points are possible in LEED? |
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Definition
69 possible points. certified needs 26 min silver needs 33 min gold needs 39 min platinum needs 52 min |
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Term
When did USGBC launch the LEED AP program? |
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Definition
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Term
The LEED exam will test you on the following information (4 types): |
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Definition
- LEED credits: intent - LEED credits: technical analyses - how to coordinate project and team - how to implement LEED process |
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Term
In the LEED exam, how many possible points are there, and what constitutes a passing score? |
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Definition
200 possible points a passing score is 170 |
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Term
List the 3 LEED exam tracks: |
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Definition
New Construction Commercial Interiors Existing Buildings |
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Term
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Definition
Credit Interpretation Review/Ruling. |
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Term
How many reviews occur in the LEED process? |
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Definition
for new construction, there are 2: - Design review - Construction review *for existing buildings, there is one - initial certification review |
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Term
what is the financial benefit of receiving LEED platinum certification? |
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Definition
Certification fees will be refunded. (not refunded: registration fees, appeal fees, or other misc fees.) |
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Term
SS Credit 3 BROWNFIELD REDEVELOPMENT summarize approach: |
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Definition
Clean up a contaminated site. (for contaminated water, typically will pump to surface and treat. for contaminated soils, can use bioreactors in-situ or replace soil ex-situ) |
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Term
SS Credits 4.1-4.4 ALTERNATIVE TRANSPORTATION list the 4 subcategories |
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Definition
4.1 Public Transportation Access 4.2 Bike Storage & Changing Rooms 4.3 Low-emitting & Fuel Efficient Vehicles 4.4 Parking Capacity |
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Term
SS Credit 4.1 ALTERNATIVE TRANSPORTATION Public Transportation Access list the two options: |
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Definition
option 1: location is < 1/2 mile of rail/subway. option 2: location < 1/4 mi. of min. 2 stops for min. 2 bus lines. |
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Term
SS Credit 4.2 ALTERNATIVE TRANSPORATION Bike Storage and Changing Rooms requirements for residential: requirements for non-residential: |
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Definition
residential: covered storage for bikes for 15% residents non-residential: bike racks/storage within 200 yd. of entrance for 5% occupants + shower/change rooms for 0.5% FTE occupants. |
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Term
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Definition
Full-Time Equivalent occupants. |
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Term
SS Credit 4.3 ALTERNATIVE TRANSPORATION Low Emitting & Fuel Efficient Vehicles describe 3 options: |
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Definition
option 1: alt. vehicles & preferred parking for 3% of occupants option 2: preferred pkg. for 5% bldg. capacity option 3: alternative refueling stations for 3% pkg. capacity |
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Term
for SS 4.3, how does LEED define "low-emitting and fuel-efficient vehicles"? |
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Definition
-classified as Zero Emission Vehicles (ZEV) by the California Air Resources Board OR - minimum green score of 40 per American Council for an Energy Efficient Economy (ACEEE) |
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Term
how does LEED define "preferred parking" |
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Definition
closest spots to the entrance (excludes ADA requirements) OR reduced-price parking passes. |
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Term
SS Credit 4.4 ALTERNATIVE TRANSPORTATION Parking Capacity list 2 options for residential projects: |
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Definition
residential opt 1: provide no new pkg. residential opt 2: adhere to minimum zoning requirements and provide infrastructure for carpools/shuttles to public transportation |
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Term
SS Credit 4.4 ALTERNATIVE TRANSPORTATION Parking Capacity list 3 options for NON-residential projects: |
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Definition
non-residential option 1: provide no new pkg. non-residential option 2: adhere to minimum zoning pkg. requirements and create preferred pkg. for carpools for 5% of pkg. non-residential option 3: IF the bldg. provides pkg. for less than 5% of FTE occupants, min. 5% preferred pkg. for carpools/vanpools. |
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Term
SS Credit 5.1 SITE DEVELOPMENT Protect or Restore Habitat list requirements for greenfield sites: |
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Definition
protect habitat by minimizing footprint. - 40' from bldg perimeter - 10' from site improvements - 15' from curbs / utility trenches - 25' from permeable srufaces |
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Term
SS Credit 5.1 SITE DEVELOPMENT Protect or Restore Habitat list requirements for previously developed sites: |
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Definition
- restore or protect 50% of site (excluding the building footprint) - native or adapted vegetation - green roofs count in calculation (if native/adapted) |
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Term
SS Credit 5.2 SITE DEVELOPMENT Maximize Open Space describe 3 options: 1. if there are open spacing zoning requirements 2. if there is a zoning requirement, but no open space requirement therewithin 3. projects with no zoning codes (such as federal projects) |
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Definition
Opt. 1 - STANDARD ZONING ORDINANCE - increase the "open space" zoning requirement by 25% Opt 2 - NO "OPEN SPACE" PROVISION IN ZONING ORDINANCE - maintain 20% of site as open space Opt 3 - NO ZONING ORDINANCE - provide a min. amount of open space equal to the bldg. footprint |
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Term
SS Credit 6 STORMWATER DESIGN List the 2 sub-categories: |
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Definition
6.1 Quantity Control 6.2 Quality Control |
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Term
SS Credit 6.1 STORMWATER DESIGN: Quantity Control list the 2 cases: |
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Definition
Case 1: Existing imperviousness < 50% - the post-development stormwater quantity is not greater than the pre-development stormwater quantity. OR - implement a stream channel protection strategy Case 2: Existing imperviousness > 50%. - reduce stormwater runoff by 25%. |
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Term
SS Credit 6.2 STORMWATER DESIGN Quality Control Describe requirements: |
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Definition
- remove 80% of avg. annual post-development Total Suspended Solids (TSS). - submit BMP (best management practice) plan. |
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Term
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Definition
Total Suspended Solids - particles too small to be removed from stormwater through settling. - these need to be filtered from stormwater runoff |
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Term
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Definition
"Best Management Practices" - must be submitted under SS credit 6.2 (Stormwater Quality Control). |
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Term
6 techniques for stormwater quality control: |
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Definition
- green roofs - pervious pavement - grid pavers - rain gardens - vegetated swales - rainwater recycling |
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Term
SS Credit 7.1 HEAT ISLAND EFFECT: Non-Roof List 2 options: |
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Definition
Opt. 1 - 50% of site hardscape has some combination of shade, open grid pavers, paving materials w/SRI of 29 or more Opt. 2: - place min. 50% pkg. under cover (all roofs used must have SRI of 29 or greater). |
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Term
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Definition
Solar Reflectance Index. - a material's ability to reject solar heat. - High numbers reflect & max is 100; low numbers absorb and min is 0. |
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Term
what 2 material properties are needed to calculate SRI? |
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Definition
reflectance and emittance |
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Term
SS Credit 7.2 HEAT ISLAND EFFECT: Roof List 3 options: |
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Definition
option 1. - roof has SRI of 78 or greater for low-slope roof; 29 for high-slope roof option 2. - 50% green roof option 3. - hybrid approach w/high SRI and vegetated roof. (SRI area/0.75) + (Green roof area/0.5) > Total Roof Area. |
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Term
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Definition
albedo = surface reflectance. Roofs and paving should be high-albedo (i.e. white and shiny) |
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Term
SS Credit 8. LIGHT POLLUTION PREVENTION. describe int. and ext. requirements: |
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Definition
Interior: two options: - emitted light should hit walls and not exit directly through windows, OR - non-emergency interior lighting automatically turns off after non-business hours. Exterior: -minimize exterior lighting based on site classification as "dark" (rural), "low" (low-density residential), "medium" (commercial/industrial/ high-density residential), or "high" (city centers). |
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Term
define Heat Island Effect |
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Definition
effect when urban landscapes retain solar energy and become hotter than adjacent rural areas. |
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Term
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Definition
ratio of reflected solar energy to incoming solar energy. 100% reflectance means that all energy is reflected; 0% means all energy is absorbed. synonym: albedo. |
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Term
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Definition
- ability to shed heat/infrared radiation. - most bldg. materials, including glass, have emittance of about 0.9 - clean, bare metals have low emittance (can't shed heat; heat is retained) |
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Term
how does LEED define open-grid pavement? |
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Definition
50% impervious; vegetation in open cells. |
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Term
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Definition
ratio of the radiation emitted by a material to the radiation emitted by a black body at same temperature |
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Term
how does LEED define - development footprint - open space area |
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Definition
development footprint: area impacted by development activity, including hardscape, access roads, parking, building, etc. open space area: property area minus the development footprint. |
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Term
how does LEED define alternative fuel vehicles? |
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Definition
vehicles that use low-pulluting, non-gasoline fuels such as electricity, hydrogen, propane, natural gas, methanol, ethanol. Includes gas-electric hybrids. |
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Term
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Definition
Use of microorganisms and vegetation to remove contaminants from water and soils. Usually in-situ and better than landfilling or incineration. |
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Term
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Definition
Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA), commonly known as Superfund. Addresses abandoned waste sites and contamination. |
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Term
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Definition
Resource Conservation and Recovery Act, from the EPA. |
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Term
how does LEED define Building Density |
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Definition
bldg. floor area divided by total site area (sf per acre) |
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Term
How does LEED define: - property area - site area |
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Definition
they are synonymous. area within property lines, (not a function of development area.) |
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Term
how does LEED define - development footprint |
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Definition
area on the project site impacted by development activity: hardscape, access roads, parking, building, etc. |
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Term
List the 3 main credit categories in WATER EFFICIENCY: |
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Definition
WE 1 - Water Efficient Landscaping WE 2 - Innovative Wastewater Technologies WE 3 - Water Use Reduction |
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Term
WE Credit 1.1 WATER EFFICIENT LANDSCAPING 1.1 Reduce by 50% 1.2 No Potable Water Use describe strategies: |
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Definition
- plant species choice (native/adapted)
- limit turf grass
- diversify species
- use captured rainwater or recycled wastewater
- use non-potable public water
- drip system / smart irrigation controls
- mulch (low evaporation) / swales/ shadows
- no winter irrigation
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Term
WE Credit 2 INNOVATIVE WASTEWATER TECHNOLOGIES Describe the 2 options: |
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Definition
Opt. 1: - Reduce potable water use by 50% by: - water-conserving toilets/urinals
- graywater / rainwater / treated wastewater
Opt. 2: - Treat and reuse 50% of wastewater on-site |
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Term
For credit WE 1 (Water Efficient Landscaping), list 4 factors for calculating the BASELINE water use rate: |
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Definition
- landscape coefficient
- species factor
- density factor
- microclimate factor (greenfields vs paved)
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Term
define evapotranspiration rate |
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Definition
total amount of water required to grow a certain reference plant (such as grass or alfalfa), mm. or in. for LEED, use July value. ref: agricultural publications |
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Term
WE Credit 3 WATER USE REDUCTION list two sub-credits: |
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Definition
- 20% Reduction - 30% Reduction |
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Term
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Definition
highest form of wastewater treatment includes removing nutrients, organic and solid material, biological or chemical polishing |
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Term
WE Credit 3.1 & 3.2 WATER USE REDUCTION (20% or 30%) Describe Strategies: |
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Definition
- high-efficiency fixtures
- composting toilets
- non-water urinals
- occupant sensors
- stormwater
- graywater
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Term
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Definition
water for industrial processes and bldg systems (CT, boilers, chillers) |
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Term
what are some of the detrimental environmental impacts of coal as an energy source? |
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Definition
- devastates landscapes
- acidic drainage
- sludge results when coal is processed
- produces CO2 (climate change)
- produce nitrogen oxide (smog)
- produce sulfur dioxide (acid rain)
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Term
what's the main element in smog? |
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Definition
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Term
what's the main substance contributing to global warming |
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Definition
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Term
what are the detrimental environmental impacts of natural gas as an energy source? |
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Definition
- produces nitrogen oxide
- greenhouse emissions
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Term
what are the detrimental environmental impacts of nuclear fission as an energy source? |
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Definition
- potential for catastrophic accidents
- waste transportation / disposal
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Term
what are the major detrimental environmental impacts of hydroelectric as an energy source? |
|
Definition
- disrupt natural water flows
- habitat disruption
- depletion of fish populations
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Term
List the 3 prerequisites in the Energy & Atmosphere category: |
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Definition
- Fundamental Commissioning of Bldg Systems
- Minimum Energy Performance
- Fundamental Refrigerant Management
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Term
List the 6 credits in Energy & Atmosphere |
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Definition
- Optimize Energy Performance
- On-Site Renewable Energy
- Enhanced Commissioning
- Enhanced Refrigerant Management
- Measurement and Verification
- Green Power
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Term
EA Prerequisite 1 FUNDAMENTAL COMMISSIONING OF THE BLDG ENERGY SYSTEMS Describe it: |
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Definition
- verify that the bldg systems are callibrated and perform according to contract documents
- designate a Commissioning Authority (CxA)
- systems include:
- HVAC and refrigeration
- lighting/daylighting controls
- hot water
- renewable energy systems (wind,solar,etc)
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Term
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Definition
CxA - Commissioning Authority OPR - Owner's Project Requirements BOD - Basis of Design |
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Term
EA Prerequisite 2 MINIMUM ENERGY PERFORMANCE Describe requirements: |
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Definition
- registered before 6/07: meet min standards AND prescriptive standards of ASHRAE/IESNA standard 90.1-2004
- registered after 6/07: exceed them
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Term
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Definition
American Society of Heating, Refrigeration, and Air-Conditioning Engineers Illuminating Engineering Society of North America together, they author standard 90.1-2004, part of EA Prereq 2 "Min Energy Performance" |
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Term
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Definition
establishes min requirements for energy-efficient design of buildings (excludes low-rise residential, and bldgs that do not use electricity or fossil fuel.) |
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Term
EA Prerequisite 3 FUNDAMENTAL REFRIGERANT MANAGEMENT describe intent: |
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Definition
reduce ozone depletion - no new CFCs - in existing bldgs, phase out CFCs in 5 years |
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Term
discuss types of refrigerants
and describe environmental impacts of each |
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Definition
CFC: chlorofluorocarbons - WORST
- causes global warming - contains chlorine - depletes ozone HCFC: hydrochlorofluorocarbons - causes global warming - contains 10% of chlorine of CFC - depletes ozone (but a lot less) HFC: hydrofluorocarbons - does not contain chlorine - does not affect ozone Natural refrigerants - BEST to prevent global warming, probably require add'l electricity - CO2, NH3, Propane
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Term
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Definition
- sink water (excluding food processing)
- shower water
- washing machine
- cooling tower bleed-down
- AC condensation
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Term
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Definition
ozone depleting potential and global warming potential |
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Term
what international treaty banned CFCs? |
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Definition
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Term
EA Credit 1 Optimize Energy Performance Describe the 4 options, and points possible for each. |
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Definition
Opt. 1. Whole Bldg Energy Simulation (1-10 pts) - improve from ASHRAE/IESNA minimums Opt. 2. Prescriptive Compliance (4 pts) - ASHRAE Adv Energy Des Guide for Small Office Bldgs - must be 20,000 sf max & office occupancy Opt. 3. Prescriptive Compliance (2-5 pts) - Adv Bldgs Core Performance Guide - 100,000 sf max, not healthcare, warehouse, or laboratory Opt. 4. Prescriptive Compliance (1 pt) - comply w/ Basic Criteria & Prescriptive Measures of the Adv Bldgs Benchmark (minus a few sections) |
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Term
EA Credit 1 Optimize Energy Performance Describe some strategies. |
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Definition
1. DECREASE DEMAND. Bldg form, orientation, daylighting, etc. 2. HARVEST SITE ENERGY. Daylight, ventilation, solar, wind. 3. INCREASE EFFICIENCY. System selection, equip. spec. 4. RECOVER WASTE ENERGY. Exhaust air energy recovery, graywater heat recovery. |
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Term
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Definition
Energy Cost Budget Method in ASHRAE/IESNA 90.1 NOT acceptable for LEED credit EA 1. |
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Term
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Definition
office equip computers elevators / escalators kitchen laundry lighting (exempt fm lighting power allowance) |
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Term
define Baseline Building Performance |
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Definition
per ASHRAE 90.1 (App. G) annual energy cost for a bldg design intended for use as a baseline for rating above standard design |
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Term
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Definition
capacity of a specific piece of equipment (max power a unit will draw0 |
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Term
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Definition
all equip that is plugged in |
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Term
EA Credit 2 On-Site Renewable Energy Describe: |
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Definition
use on-site energy (solar, wind, geothermal, low-impact hydro, biomass, bio-gas) to supply a percentage of total bldg energy req'd 1-3 points, based on percentage of total calc energy |
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Term
EA Credit 2 On-site Renewable Energy Do passive solar thermal systems count in this credit? |
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Definition
NO. Just active systems such as photovoltaic, wind, hydro, wave, tidal, bio-fuel, bio-gas, geothermal (deep water/steam only), solar thermal, thermo-siphon. careful - geo-exchange is passive; geo-thermal is active. |
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Term
list some common sources for bio-fuels |
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Definition
- untreated wood waste - agricultural waste - animal waste - landfill gas |
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Term
|
Definition
building-integrated photo-voltaic |
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Term
EA Credit 3 ENHANCED COMMISSIONING Describe differences from the Commissioning Prerequisite: |
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Definition
- CxA must NOT be an employee of the design firm or contractor or construction manager - develop systems manual - review bldg operation within 10 months after substantial completion |
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Term
EA Credit 4 ENHANCED REFRIGERANT MANAGEMENT List additional requirements compared to the pre-req: |
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Definition
Opt 1: Eliminate refrigerants. (Natural refrigerants, such as water, CO2, and ammonia are OK.) Opt 2: Minimize / eliminate emission of compounds that contribute to ozone depletion and global warming. |
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Term
EA Credit 4 ENHANCED REFRIGERANT MANAGEMENT Describe some strategies: |
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Definition
- use H2O, CO2, or NH3 - equip w/long life - equip that doesn't leak - type of refrigerants (i.e. low GWP/ODP) - efficiency (i.e. amount of electricity req'd) |
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Term
what 3 types of refrigerants will be phased out by 2030, per the Montreal Protocol? |
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Definition
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Term
EA Credit 5 MEASUREMENT & VERIFICATION Describe |
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Definition
develop a M&V (measurement and verification) plan. the plan evaluates performance of energy systems. min. duration is 1 year post-construction. track actual performance, compared to theoretical design performance. |
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Term
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Definition
International Performance Measurement and Verification Protocol (part of credit EA 5, Measurement and Verification) |
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Term
EA Credit 6 GREEN POWER Describe requirements: |
|
Definition
35% of bldg's electricity comes from ON-GRID renewable energy for min. 2 years. Green power = from solar, wind, geothermal, biomass, low-impact hydro. |
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Term
what does a Green-e certification mean? |
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Definition
Green-e = electricity from renewable sources (solar electric, wind, geothermal, bio mass, low-impact hydro) Green-e is mandatory for EA Credit 6, Green Power. |
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Term
|
Definition
Storage and Collection of Recyclables |
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Term
MR Prereq 1 STORAGE & COLLECTION OF RECYCLABLES Describe requirements: |
|
Definition
Provide recycling area for entire building. Minimum materials: paper corrugated cardboard glass plastics metals |
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Term
MR Credit 1 BUILDING REUSE Describe the 3 sub-categories: |
|
Definition
MR 1.1 - Maintain 75% Exst. Walls, Floors & Roof MR 1.2 - 95% MR 1.3 - Maintain 50% of Interior non-Strl Elements |
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Term
MR Credit 1.1 BUILDING REUSE Maintain 75% of Exst Walls, Floors & Roof Describe which parts of the bldg count towards the 75% |
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Definition
INCLUDED: structure (incl. strl. floor / deck) envelope (ext. skin / framing) EXCLUDED: haz mat (not included in total) windows non-strl roofing material |
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Term
If you are putting an addition on an exst bldg, how big can the addition be in order to qualify for Credit MR 1 (Building Reuse)? |
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Definition
Max area of new addition is twice the area of the exst bldg. |
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Term
For Credit MR 1.3, "Maintain 50% of Interior Non-Strl Elements", what parts of the bldg compose the calculation? |
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Definition
- non-bearing walls - doors - floor coverings - ceilings *note - percentage is calculated by area |
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Term
If a room full of unused doors are found at a building site, describe 2 uses and which credits would be applicable. |
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Definition
If used as doors - MR 1.1/1.1 - Building Reuse If used as tables - MR 3.1/3.2 - Materials Reuse |
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Term
The percentages in MR 1.1 and 1.2, "Building Reuse", are based on what unit of measure? |
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Definition
surface areas of major existing bldg strl and envelope elements |
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Term
MR Credit 2 CONSTRUCTION WASTE MANAGEMENT List 2 sub-categories |
|
Definition
Credit 2.1 - Divert 50% from Disposal Credit 2.2 - Divert 75% from Disposal |
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Term
MR Credit 2.1 (and 2.2) CONSTRUCTION WASTE MANAGEMENT Divert 50% (or 75%) From Disposal Describe the credit requirements, list a common material excluded from this credit, and list units for percentage calc: |
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Definition
Develop & implement a construction waste plan to recycle or salvage exst. materials (and keep them out of landfills / incinerators). Soil does not count. Percentages may be by weight or volume (but must be consistent). |
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Term
MR Credit 3 MATERIALS REUSE Describe 2 subcategories: |
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Definition
3.1 - Materials Reuse, 5% 3.2 - Materials Reuse, 10% (reused materials are those
that were salvaged, refurbished, or reused, AND permanently installed in the project) (furniture is OK - if definied consistently) |
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Term
MR Credits 3.1 & 3.2 MATERIALS REUSE (5% & 10%) How are the percentages defined? |
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Definition
Percentages of cost of all materials used. |
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Term
for credits MR 3.1 & 3.2, Materials Reuse, list some common categories of "reused materials": |
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Definition
Components already on-site - new function proposed for exst object - example: door used as a table. Components already on-site - a finish material that can serve its original function, but requires refurbishment. Example: door hardware Components required off-site - anything salvaged or relocated from another site |
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Term
Define post-consumer waste, pre-consumer content, and assembly recycled content |
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Definition
post-consumer: material generated by households or other facilities, such as stuff in recycling bins, demolition debris, discarded products, maint. waste pre-consumer: material considered waste in the manufacturing process (like fly ash, shavings, walnut shells, trimmed materials, print overruns, etc) assembly recycled content: includes post- and pre-consumer. divide (recycled weight) by (total weight) |
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Term
MR Credit 4.1 & 4.2 RECYCLED CONTENT (10% and 20%) describe credit, including breakdown of pre-consumer vs post-consumer and unit of measure for percentages |
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Definition
In the project, use recycled materials (post-consumer + 1/2 pre-consumer) as a percentage (10% or 20%) of the total project COST. |
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Term
describe the shortcut method to determine Total Materials Cost for the MR credits: |
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Definition
Total Materials Cost = 0.45 * total constr. cost |
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Term
describe the default and potential recycled percentages of strl. steel |
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Definition
default: 25% post-consumer potential: 90% post-consumer |
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Term
what is the special provision in the MR Recycled Content credit for calculating fly ash in concrete? |
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Definition
The percentage of recycled materials in the composite material (i.e. concrete) can be calculated as a percentage of the mass of cementitious materials rather than a percentage of the total mass (so you don't pay a penalty for the water in the concrete mix) |
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Term
for the MR Recycled Content credit, you need to do some calcs based on weight and others based on cost. Explain where each applies: |
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Definition
for determining what percentage of a composite material is considered recycled, use weight. for total percentage of recycled materials compared to entire building, use cost. |
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Term
MR Credit 5.1 & 5.2 REGIONAL MATERIALS 10% or 20% Extracted, Processed & Manufactured Regionally describe the credit |
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Definition
use materials/products within 500 miles of the site (extraction, process, manufacture) percentagese (10% or 20%) are based on cost. for composite materials, compute the applicable percentage by weight. |
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Term
what common bldg components are excluded from the MR Credit 5, Regional Materials? |
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Definition
- MEP components - specialty items such as elevators / equip - furniture is only included if used consistently throughout the MR credits. |
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Term
Can re-used materials from MR Credit 3 (Reuse Materials) be applied to MR Credit 5 (Regional Materials)? |
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Definition
yes. the salvage location is considered the point of extraction; the location of the vendor is considered the point of manufacture. |
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Term
MR Credit 6 Rapidly Renewable Materials describe the credit |
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Definition
use rapidly renewable materials for 2.5% of the total material COST (= 45% construction cost) |
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Term
define Rapidly Renewable Materials (per LEED) and give examples |
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Definition
materials and products made from plants or animals, typically harvested within a 10-year cycle in a sustainable fashion. bamboo, wool carpeting, cotton insulation, agrifiber, linoleum flooring, wheatboard cabinetry, strawboard, cork flooring. |
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Term
MR Credit 7 CERTIFIED WOOD describe the credit |
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Definition
50% of total wood (by cost) must be certified wood. (includes strl framing, dimensional lumber, flooring, subfloor, wood doors, finishes) furniture can be included if definied consistently for all MR credits temporary products such as formwork, bracing, scaffolding, etc. may be included in calculation |
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Term
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Definition
the Forest Stewardship Council issues this certification to forest managers who adopt sustainable forest management policies. FSC also accredits certification proxies. |
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Term
what is a strategy for making sure you get certified wood? |
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Definition
selecting lower grades of wood whenever possible, Grades 2 or 3 rather than Grade 1. |
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Term
define chain-of-custody (COC) |
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Definition
pertains to certified wood - the COC is the path the wood products take from forest to consumer, including processing, manufacturing, distribution. for the end product to be certified, the entire COC must be certified. (note: this is complicated; see the resource guide for more info) |
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Term
can recycled wood materials count towards the "Certified Wood" credit (MR Credit 7)? |
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Definition
NO. new wood products only. (but you could use the recycled wood materials towards the recycled credit) |
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Term
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Definition
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Term
EQ Prerequisite 1 what is it |
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Definition
minimum IAQ performance (IAQ = indoor air quality) |
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Term
EQ Prereq 1 Indoor Environmental Quality describe it, and state the governing standard |
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Definition
provide minimum ventilation and indoor air quality per ASHRAE 62.1-2004, "Ventilation for Acceptable Indoor Air Quality". |
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Term
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Definition
Active (i.e. mech. eqpt.) Passive (i.e. operable windows) Mixed (i.e. a combination) |
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Term
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Definition
Environmental Tobacco Smoke Control Opt. 1 - prohibit smoking inside; locate exterior smoking areas 25' away from entries, air intakes, and operable winndows Opt. 2 - have designated smoking areas that are 25' away from entries, air intakes, and operable windows. The smoking rooms must be directly exhausted to the outdoors. Opt. 3 - some slight variations for residential |
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Term
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Definition
environmental tobacco smoke (i.e. secondhand smoke) |
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Term
EQ Credit 1 OUTDOOR AIR DELIVERY MONITORING describe requirements |
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Definition
- install sensors that monitor CO2 concentrations in all "densely occupied" spaces - measure air intake rate (n/a for naturally ventilated spaces)
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Term
which ASHRAE reference contains info on CO2 sensors? |
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Definition
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Term
EQ Credit 2 INCREASED VENTILATION Describe requirements for - mech. ventilated spaces - naturally ventilated spaces |
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Definition
mech. ventilated - increase outdoor ventilation rates by 30% above ASHRAE min in pre-req. naturally ventilated - meet the "carbon trust good practice guide 237", meet recommendations in the CIBSE manual 10, OR provide analytical model that will demonstrate that natural ventilation is appropriate. |
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Term
EQ Credit 2, "Increased Ventilation" is most applicable to what type of climates? |
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Definition
mild climates not good for excessively hot or cold climates due to increased HVAC needs and energy use |
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Term
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Definition
Chartered Institution of Building Services Engineers |
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Term
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Definition
uncontrolled outward air leakage from conditioned spaces through unintentional openings due to pressure differences |
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Term
EQ Credit 3 CONSTRUCTION IAQ MANAGEMENT PLAN describe two sub-credits |
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Definition
3.1 - During Construction 3.2 - Before Occupancy |
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Term
EQ Credit 3.1 CONSTRUCTION IAQ MANAGEMENT PLAN During Construction describe requirements |
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Definition
- comply w/Control Measures of the Sheet Metal and Air Conditioning Contractors National Association (SMACNA) - protect materials from moisture damage - if permanently installed AHUs are used during construction, supply filters with a MERV of 8 (MERV = Minimum Efficiency Reporting Value) |
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Term
list some practical methods to achieve EQ Credit 3.1, CONSTRUCTION IAQ MGMT PLAN, During Construction |
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Definition
- don't use HVAC system during constr. - cover HVAC ducts w/plastic to prevent entrance of particulates - protect materials from moisture - housekeeping (cleaning, vaccuuming) - construction schedule (most toxic materials late Friday, so it will be aired out by next Monday) |
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Term
EQ Credit 3.2 CONSTRUCTION IAQ MGMT PLAN Before Occupancy describe credit (two options) |
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Definition
opt. 1 - FLUSH-OUT. After construction, run HVAC to flush out particulates / fumes etc. opt. 2 - AIR QUALITY TESTING. Test air for pollutants so ppm is less than the maximums listed in LEED. |
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Term
list 5 types of air pollutants that pertain to EQ Credit 3.2 (Construction IAQ Mgmt Plan - before occupancy) |
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Definition
formaldehyde particulates VOCs 4-Phenylcyclohexene (4-PCH) Carbon Monoxide |
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Term
name a type of building material that contains 4-Phenylcyclohexene (4-PCH) |
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Definition
carpets / fabrics with styrene butadiene rubber latex backing material |
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Term
name some bldg materials that contain formaldehyde |
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Definition
- pressed wood (plywood, particleboard, fiberboard) - glues / adhesives - carpets - wood furnishings - fabrics |
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Term
what is a common word for Particulate Matter (PM10) |
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Definition
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Term
name some building materials that contain VOCs |
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Definition
- plywood / particleboard / fiberboard - glues / adhesives - paints - carpets - wood furnishings - thermalinsulation - combustion sources |
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Term
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Definition
volatile organic compound and total volatile organic compounds (carbon compounds that participate in atmospheric photochemical reactions. They vaporize, or become a gas, at normal room temperatures.) |
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Term
what are some common building sources of carbon monoxide (CO)? |
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Definition
- gas/propane exhaust - wood stoves - kerosene heaters - cigarettes |
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Term
EQ Credit 4 LOW-EMITTING MATERIALS list the 4 sub-credits |
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Definition
4.1 - Adhesives and Sealants 4.2 - Paints and Coatings 4.3 - Carpet Systems 4.4 - Composite Wood and Agrifiber |
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Term
EQ Credit 4.1 LOW-EMITTING MATERIALS Adhesives and Sealants Describe credit: |
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Definition
reduce quantity of odorous / irritating / harmful air contaminants. all adhesives / sealants on bldg. interior (inside of the weatherproofing system and applied on-site) must comply with limits in table from SCAQMD (South Coast Air Quality Mgmt District) and Aerosol limits in "Green Seal Standard for Commercial Adhesives". |
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Term
EQ Credit 4.2 LOW-EMITTING MATERIALS Paints and Coatings describe credit: |
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Definition
don't exceed VOC limits in following references: interior paints/primers: Green Seal Standard Paints anti-rust interior paints: Green Seal Standard anti-Corrosive Paints - interior wood stains/sealers/shellacs: SCAQMD Architecdtural Coatings rules. |
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Term
EQ Credit 4.2 Low-Emitting Materials Paints and Coatings Are exterior paints part of this credit? |
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Definition
NO. Interior paints and coating only. |
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Term
EQ Credit 4.3 LOW-EMITTING MATERIALS Carpet Systems describe credit: |
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Definition
- 100% of carpet and carpet cushion must comply with"Green Label Plus" program of "Carpet and Rug institute" - also, carpet adhesive must meet requirements of EQ Credit 4.1 (adhesive) |
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Term
EQ Credit 4.4 LOW-EMITTING MATERIALS Composite Wood and Agrifiber Products describe credit: |
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Definition
- all composite wood products (plywood,particle board, door cores, etc) and laminating adhesives (shop and site applied) shall contain NO added urea-formaldehyde resins. **credit only applies to interior materials, defined as those inside waterproofing system |
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Term
what is an agrifiber board? |
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Definition
a composite panel product made from agricultural waste figer such as straw, husks, shells, prunings, etc. These fibers are processed and mixed with resins to produce panels similar to wood. good to use as long as there are no added VOCs (i.e. urea formaldehyde) |
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Term
what are the detrimental environmental impacts of VOCs? |
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Definition
- cause smog and pollution - react w/sunlight and nitrogen oxides to form ground-level ozone, which is bad for humans, crops, & ecosystems. |
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Term
EQ Credit 5 INDOOR CHEMICAL & POLLUTANT SOURCE CONTROL Describe Credit: |
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Definition
- install walk-off grilles to capture dirt (must be operable for cleaning) - rooms w/chemicals (garages, laundry, labs, etc) are exhausted to create negative pressure. deck-to-deck partitions req'd. - filter supply and return air, with MERV of 13. (MERV = Min Efficiency Reporting Value) |
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Term
EQ Credit 6 CONTROLLABILITY OF SYSTEMS List two sub-credits |
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Definition
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Term
EQ Credit 6.1 CONTROLLABILITY OF SYSTEMS Lighting Describe credit: |
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Definition
Provide individual lighting controls for min. 90% of the bldg occupants, AND Provide lighting system controllability for all shared spaces. |
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Term
EQ Credit 6.2 CONTROLLABILITY OF SYSTEMS: Thermal Comfort Describe credit: |
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Definition
Provide individual thermal comfort controls for min. 50% bldg occupants. Operable windows can be used in lieu of comfort controls for individuals within 20' inside and 10' along side an operable window, AND Provide thermal comfort controls for all shared multi-occupant spaces. |
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Term
For EQ Credit 6.2 Controllability of Systems: Thermal Comfort, what does LEED consider an adequate measure of thermal comfort (give examples): |
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Definition
- operable windows - temperature - radiant temperature - air speed - humidity |
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Term
EQ Credit 7 THERMAL COMFORT List the 2 sub-credits |
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Definition
7.1 Design 7.2 Verification |
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Term
EQ Credit 7.1 THERMAL COMFORT Design Describe Credit |
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Definition
Design HVAC systems and bldg envelope per ASHRAE 55-2004, Thermal Comfort Conditions for Human Occupancy. |
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Term
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Definition
Thermal Comfort Conditions for Human Occupancy (pertains to EQ Credit 7.1, Thermal Comfort: Design) |
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Term
EQ Credit 7.2 Thermal Comfort: Verification Describe the credit: |
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Definition
Agree to implement a thermal comfort survey within 6-18 months after occupancy. Develop an action plan if 20% of the inhabitants are dissatisifed. |
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Term
EQ Credit 8.1 & 8.2 Daylight and Views List the 2 sub-credits: |
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Definition
8.1 - Daylight 75% of spaces 8.2 - Views for 90% of spaces |
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Term
EQ Credit 8.1 Daylight and Views: Daylight 75% of spaces Describe the credit: (3 options) |
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Definition
75% of all spaces must be lit to these standards: Opt 1 - Glazing Factor Calculation Opt 2 - Daylight Simulation Model Opt 3 - Daylight Measurement |
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Term
describe some strategies for daylighting |
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Definition
- shallow floor plates - courtyards - atriums - light shelves on south - skylights on north - clerestories on north |
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Term
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Definition
ratio of interior illuminance at a given point on a given plane to the exterior illuminance under known overcast sky conditions |
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Term
for daylighting purposes, how does LEED define occupied vs. non-occupied spaces? |
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Definition
non-occupied: janitorial, storage, kitchens, restrooms, stairwells. non-regularly occupied spaces: corridors, hallways, lobbies, break rooms, copy rooms storage rooms, kitchens, restrooms, stairwells. occupied: areas where workers are seated or standing as they work (living and family rooms in a residence) |
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Term
for LEED daylighting, what type of spaces apply to Credit 8.1 Daylighting? |
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Definition
regularly-occupied spaces (areas where workers are seated or standing as they work; or, for residential, living and family rooms) |
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Term
EQ Credit 8.2 DAYLIGHT & VIEWS Views for 90% of Spaces describe credit: |
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Definition
for 90% of regularly-occupied spaces, achieve direct line of sight to the outdoor environment. section: 2'6-7'-6 AFF (or sightline???) plan - sightline drawn to window |
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Term
EQ Credit 8.2 Daylight and Views - Views for 90% of spaces describe strategies |
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Definition
- lower partition heights - interior shading devices - interior glazing - automatic photocell-based controls |
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Term
ID Credits 1 & 2 list them: |
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Definition
ID 1 - Substantially exceed an existing credit, or write your own ID 2 - LEED AP on the team |
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