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What is the average water savings in a commercial building when implementing water efficiency goals?
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What does the emissivity of a material refer to?
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LEED Green Exam
LEED Green Exam -1
| Question | Answer |
|---|---|
| What is the average water savings in a commercial building when implementing water efficiency goals? | 30% According to USGBC, the average commercial building can achieve a 30% water savings. Normally, this doesn't come at any added cost. |
| What does the emissivity of a material refer to? | The ratio of energy radiated by a particular material to energy radiated by a black body at the same temperature |
| What can be used to compare the energy performance of two buildings? | ENERGY STAR is specific to energy performance and can be used to compare building performance. |
| A vehicle meeting which standard would be considered low-emitting and fuel efficient? | Zero Emission Vehicle (ZEV) by the California Air Resources Board |
| ASHRAE 55-2004 is used for what? & what category in Leed is it used? | thermal Environmental Conditions for Human Occupancy acceptable if 80% or more of occupants find them acceptable. This standard is used in the IEQ category. |
| On average what percent energy consumed per unit of floor space lower in green buildings compared to traditional buildings? | 24% Average savings in energy use intensities to be 24% lower when comparing green building to conventional buildings. |
| What term refers to the investigation and valuation of the environmental impacts of a given product or service caused or necessitated by its existence? | Life-cycle analysis |
| What is the difference between HFCs and HCFCs? | HFCs have next to no ozone depletion potential but have high global warming potential. |
| What type of fixtures use the least amount of water? | WaterSense is an EPA certification awarded to fixtures that use less water than comparable fixtures. |
| What are the goals of the LEED 2009 Minimum Program Requirements? | Protect the integrity of the LEED program. Give clear guidance to customers. Reduce certification process challenges. |
| What is the average housing density of a high density development area? | 10 or more dwelling units per acre of buildable land. 20 or more is very high density. |
| What defines the open space of a site area if there is no local zoning? | For the purposes of LEED, open space is the property area minus the development footprint, when local zoning does not define open space. |
| Open space must be? | vegetated and pervious. |
| The baseline water use of a lavatory faucet is? | 2.2 gallons per minute (gpm) per the EPAct of 1992. |
| What is the Triple bottom line? | Economic prosperity, environmental stewardship and social responsibility. Also known as 'people, planet, profit' |
| Life-cycle analysis is what? | It is the investigation and valuation of the environmental impacts of a given product or service caused or necessitated by its existence. |
| What are heat islands? | Air and surface temperature differences between developed and undeveloped areas |
| Greenfields are what? and what credit? | A site that wasn't previously graded that could support open space, habitat, or agriculture. |
| Each LEED 2009 Rating System has ___ Regional Priority credits specified by zip code and can earn ___ points for the Regional Priority section. | 6 Regional Priority credits 4 points can be earned. So you can only earn a maximum of 4 points. |
| How is the quantity of locally harvested and manufactured materials used on a project calculated? | By the materials' proportion of cost |
| Solar reflectance is also called? | Albedo |
| What best defines durability? | The ability of a building or any of its components to perform its required function in its service environment over the period of time without unforeseen cost for maintenance or repair |
| A vehicle must meet which requirement to be considered low-emitting and fuel-efficient? | Green score of 40 or more from the ACEEE annual vehicle rating guide. |
| What does a REC represent? | The environmental, social, and other positive attributes of power generated by renewable resources |
| What should be included in a construction waste management plan? | If any construction waste materials to be recycled will be comingled or separated & describe where construction and demolition debris is going to go. |
| Where should a project team go for updates and errata for the LEED for New Construction rating system? | usgbc.org |
| What standard might need to be consulted for increasing building energy performance? | ASHRAE 90.1-2007 is used to measure building energy performance. |
| Source reduction is what? | Purchasing products with less packaging. Source reduction is the EPA's top-ranked strategy for reducing waste. |
| What standards would be used for the Energy and Atmosphere category? | ASHRAE 90.1-2007 establishes minimum requirements for the energy efficient design of buildings |
| EPAct 1992 is used for what and what category? | EPAct 1992 is used for calculating the baseline water use of a project in the Water Efficiency category. |
| What is the most commonly used energy code in the United States and includes information such as R-values for insulation? | International Energy Conservation Code |
| At a minimum, a project team must successfully do which of the following to obtain LEED certification? | Gather documentation for 40 points of the 110 points available & Gather documentation for the prerequisites |
| What would a project team use to compare different product's abilities to reject solar heat? | Solar Reflectance Index (SRI) |
| What organization is responsible for qualifying sources of off-site renewable energy acceptable by LEED? | Center for Resource Solutions. The organization that maintains Green-e is the Center for Resource Solutions. |
| What project issues are addressed by guidelines from SMACNA? | Air quality issues from construction or renovation |
| To measure a project's exterior lighting power density you would use what standard? | ASHRAE 90.1-2007 Exterior lighting can impact nighttime visibility and nocturnal life. Light pollution reduction is achieved by not exceeding the lighting power densities that are defined in ASHRAE 90.1-2007. |
| Life-cycle cost analysis | identifies the high-performance building systems that will save money over the life of a project |
| By the EPAct 1992 a Commercial (toilet) should use how much water? | Commercial toilets: 1.6 gpf |
| By the EPAct 1992 a Commercial (urinal) should use how much water? | Commercial urinals: 1.0 gpf |
| How can regional priority credits be earned? | Addressing green measures or strategies that are more important to a climate or region |
| On average what part of a building consumes the most energy in the United States? | Space heating consumes 38% of a building's energy use, on average. |
| What percent of water chillers in existing buildings still use CFCs? | 50% of buildings still use CFC's |
| NH3 is also called what? | Amonia |
| What is NOT a natural refrigerant? | HFC or HCFC, which are refrigerants that cause environmental issues and are not natural refrigrants. |
| What should be included in a building program detailing the project's green building requirements? | A building program details the project's green building requirements. It includes the project's vision, the green building goals, and a general and room-by-room description of the project |
| What does the IPMVP Volume III provide information on? | The IPMVP Volume III is used for measurement & verification, and provides best practice techniques for verifying the energy performance of a new building. |
| What minimum water savings are LEED v3 projects required to achieve? | 20% The Water Use Reduction prerequisite requires a 20% reduction of the design case compared to the baseline case. |
| How much area must a projct occupy to earn LEED for Commercial Interiors certification. | A project must occupy at least 250 square feet (22 square meters) of gross floor area to earn LEED for Commercial Interiors certification. |
| What project team meeting is used to integrate green strategies across all aspects of the building design, drawing on the expertise of all participants? | Design Charrette: No later than the design development phase and preferably during schematic design, conduct at least one full-day integrated design workshop with the project team. |
| The LEED Credit Checklist allows project teams to mark potential credit achievement as: | Yes/Maybe/No The score card allows users to select credit achievement as Yes/Maybe/No |
| Open space that would count for a LEED project must be located: | The open space must be in the LEED boundary. The LEED boundary is the portion of the project site submitted for LEED |
| What information can be entered in the LEED Score Card? | Certification estimate. The LEED Credit Checklist helps project teams track their credits against requirements for certification. The LEED Credit Checklist is also called the LEED Scorecard. |
| What percentage of waste does construction and demolition debris contribute to landfills each year in the United States? | 40% Construction and demolition debris make up 40% of the solid waste stream in the United States. (USGBC) |
| Which LEED category has the least total number of points a project can earn? | Water efficiency (WE) category has the least number of points. |
| Reduced emissions are a benefit of purchasing? | REC's... RECs are a tradable commodity representing the 'greenness' of green power. They are purchased when a project does not have access to green power through their utility provider. |
| What amount of time do people in the United States spend on average indoors? | 90% The importance of the Indoor Environmental Quality (IEQ) category is partly due to how much time people spend indoors. |
| Average housing density is defined as: | Housing Units / Acres of Buildable Land |
| What best defines the project boundary? | The project boundary is the platted property line of the project defining land and water within it. (USGBC) |
| What laws and guidelines are specifically relevant to LEED projects vs. typical construction? | ISO 14021- is used for standards include Environmental Labels and Declaration, Life Cycle Assessment, and Design for Environment Illuminating Engineering Society's lighting standards |
| What is a way a project team can increase the density of a building? | Designing a smaller building footprint and maximizing the floor-area ratio |
| The number of occupants in a building would be used for what calculations? | Water use baseline The number of occupants, the flush and flow rates of fixtures, and usage patterns are used to calculate baseline and design case water use rates. |
| How does a life cycle assessment (LCA) differ from life cycle costing (LCC)? | LCA does not take into account economic performance while LCC does. |
| What typical LEED strategies does not necessarily help achieve a water-efficient landscape? | A green roof does not necessarily reduce water needs. In LEED green roofs help with reducing the heat island effect. They can also increase the energy efficiency of a building by providing insulation. |
| Gray or white concrete generally have a _________ reflectance and a ________ SRI value. | higher, higher |
| Can a project team has excluded a section of land in order to meet the requirements of one of the LEED credits? | Land cannot be excluded for the purposes of complying with a credit/prerequisite. This is known as gerrymandering. |
| How much area must the owner or tenant must occupy to use LEED for New Construction? | The owner or tenant must occupy more than 50% of the building's leasable square footage to pursue LEED NC otherwise the project should pursue LEED for Core & Shell. |
| Can a CIR be submited for a Prerequisite? | Yes CIRs can be submitted for any prerequisite or credit for the project's rating system. |
| Which LEED rating system has pre-certification? | LEED for Core and Shell LEED for Core & Shell project, the project team may apply for precertification |
| How would a project team member determine if a credit has Regional Priority? | Visit the USGBC website Regional Priority credits are listed in an Excel spreadsheet and available from USGBC's website |
| What is the root cause of global climate change? | Greenhouse gases |
| All LEED projects must comply with a minimum building to site area ratio. What is that ratio? | 2% of the gross land area (LEED project boundary). |
| LEED Score Card is used for what? | helps the project team decide what specific design criteria will be met. Used At each step during the project - design, construction, etc,. |
| A contractor purchased some carpet containing VOCs. What LEED category would this material negatively impact? | Indoor Environmental Quality |
| What standard sets the baseline for commercial plumbing fixtures when establishing a water use reduction strategy? | EPAct 1992 is used to determine the baseline for commercial fixtures, fittings, and appliances. Commercial toilets: 1.6 gpf Commercial urinals: 1.0 gpf Commercial faucets: 2.2 gpm |
| What is the primary difference between LEED for Existing Buildings: Operations & Maintenance and the other LEED rating systems? | LEED EB: O&M measures building performance over time. This allows the building owner to see how the building is performing and make corrections to get better performance. |
| Green Seal score is used for what product? | Paint - if paint contains low VOC content. |
| Green Label is used for what product? | Carpet cushion - if it has low VOC content. |
| What organization is responsible for qualifying sources of off-site renewable energy acceptable by LEED? | Center for Resource Solutions |
| 40/60 rule is provided for guidance what does it intell? | •If a rating system is appropriate for 40% or less of a LEED project then that rating system should not be used. •If a particular rating system is appropriate for 60% or more of a LEED project building or space, then that rating system should be used. |
| What is the defference between On-Site Renewable Energy & Green Power? | Green Power is not generated on site. |
| What is the gross floor area minimum for Commercial Interior projects. | 250 square feet (22 square meters) |
| For a LEED for Core & Shell project what is the minimum amount of gross floor area? | 1,000 square feet (93 square meters) |
| Green Seal is used for what procuct? | cleaning products. |
| What residence has at least 15% more efficiency than the 2004 International Residential Code? | ENERGY STAR residence. LEED Homes using Energy Star ratings to measure energy performance. Energy Star is run by the EPA. |
| A density radius calculation is used in what credit? | See SS Credit 2. To define properties included in the development density calculation. |
| What amount of potable water does landscaping consume in the U.S. each day on average? | 30% Landscape irrigation consumes 30% of potable water in the U.S. each day on average. (USGBC) |
| How is lighting power density determined? | By measuring the installed lighting power per unit area. |
| What term also means site area? | Property area |
| LEED credit forms must be signed by which person? | The declarant is the person who will sign a submittal template. Each template can have a different declarant. |
| What are differences between Hydrocarbons (HCs) and Hydrochlorofluorocarbons (HCFCs)? | HCs have a lower global warming potential (GWP) than HCFCs. HCs are environmentally benign to the atmosphere while HCFCs are not |
| A member company wants to display its USGBC member logo. What would be an appropriate use for the USGBC member logo? | On company letterhead. A company could use the logo in their letterhead for marketing purposes. This is why USGBC created the logo guidelines and why the issue is addressed in the logo guidelines. |
| Which of the following are LEED strategies to reduce single occupant automobile transportation to the project site? | Limit the availability of parking at the site |
| What is true regarding a material's emittance and solar reflectance (albedo)? | Emittance and solar reflectance are combined to determine a material's SRI value |
| How are the sections in the LEED Scorecard grouped? | By environmental category. The LEED Scorecard is organized just like the LEED Rating System - by environmental category |
| What organization publishes lighting design and illumination standards? | IESNA The Illuminating Engineering Society of North America is the publisher of lighting design and illumination standards. |
| What does the IPMVP Volume III provide information on? | Best practices for verifying the energy performance of a new building |
| What is the minimum occupancy rate required for LEED for Existing Buildings: Operations & Maintenance to earn certification? | Typical physical occupancy. Building has to be attempted until typical occupancy use is met. I.E. hotel or schools typical number of students or renters. |
| What is not covered under the LEED for Core and Shell rating system? | Furniture, furnishings, and equipment (FF&E) & Tenant fit out |
| How does LEED evaluate the environmental performance of a building? | From a whole building perspective over a building's life cycle |
| The portion of the project site submitted for LEED certification is referred to as the? | The LEED boundary is the portion of the project site submitted for LEED certification. (USGBC) |
| The LEED Credit Checklist allows project teams to mark potential credit achievement as: | Yes/Maybe/No The score card allows users to select credit achievement as Yes/Maybe/No |
| What does 'LEED Certified' indicate? | A project that has been certified at the base level |
| A major renovation of an existing university science laboratory could use what LEED rating systems? | LEED for Schools or LEED for New Construction |
| What best defines the project boundary? | Platted property line of the project defining land and water within it |
| What best defines the property area? | Total area within the legal property boundaries of the site; it encompasses all areas of the site, including constructed and nonconstructed areas |
| What tool provides cost-effective streamlined certification processes for multiple building certifications? | The USGBC Portfolio Program lets organizations achieve LEED certification on a volume scale. For example if the organization has dozens of buildings across the country. |
| The owner or tenant must occupy more than __ of the building's leasable square footage | The owner or tenant must occupy more than 50% of the building's leasable square footage to pursue LEED NC otherwise the project should pursue LEED for Core & Shell. |
| Who rules on CIRs? | Technical Advisory Group |
| LEED for Existing Buildings: Operations and Maintenance rating system have a ____ option. | There is a recertification option for LEED EB: O&M projects. Projects can recertify as frequently as every year but at least every 5 years. If the project team does not recertify the building at least every 5 years the building loses its certification. |
| When can appeals can be submitted? | Appeals can be submitted after the final application review. |
| The Minimum Program Requirements are.. | Comply with environmental laws, Must be a permanent building, Must use a reasonable site boundary, Must comply with mim floor area, Comply with minimum occupancy, Must share energy + water data, Must comply with a minimum building area to site area ratio |
| A building owner's project includes a major HVAC renovation, significant envelope modifications, and major interior rehabilitation. The owner will occupy 20%. What LEED rating system would be most appropriate for this project? | LEED for Core and Shell |
| What has USGBC adapted to establish metrics and rating systems to measure building performance? | The triple bottom line - society, environment, and the economy - guides USGBC policies. |
| What are the goals of the LEED 2009 Minimum Program Requirements? | Reduce certification process challenges Give clear guidance to customers Protect the integrity of the LEED program |
| What is the average LEED certification fee for a project registered by a USGBC member? | $2,000 |
| ___________ of a LEED project must be certified under a single rating system. | The gross floor area of a LEED project must be certified under a single rating system. |
| What is the minimum for Commercial Interiors rating system? | There are no space requirements for LEED CI certification, other than the Minimum Program Requirements for any certification which requires: 'The LEED project must include a minimum of 250 square feet (22 square meters) of gross floor area.' |
| The property boundary and the LEED project boundary are what? | The property boundary is the total area within the legal property boundaries of a site while the LEED project boundary is the portion of the site submitted for LEED |
| A building owner for a new 10-story office building will occupy the first and second floors. What LEED rating system would be most appropriate? | LEED for Core and Shell the owner will occupy 50% or less of the building. In this example the owner will occupy 20% of the building. |
| Each LEED category is listed, along with the credits and prerequisites for that category in a document called what? | the LEED scorecard |
| Prior to project registration, a non-USGBC member company project leader can access which LEED resources? | LEED Score Card The project scorecard is available free of charge from USGBC's website. |
| What information can be entered in the LEED Score Card? | Certification estimate |
| A project's scope of work will include systems upgrades, minor space-use changes, and minor facility alterations. What LEED rating system would be most appropriate? | LEED for Existing Buildings: Operations & Maintenance |
| The LEED credit categories common among the rating systems are? | Sustainable Sites Water Efficiency Energy and Atmosphere Materials and Resources Indoor Environmental Quality Innovation in Design (or Operations for O+M) |
| What are the key criteria that define green building performance? | The prerequisites are the key criteria that define green building performance. - GBCI |
| What is the LEED project boundary for a single building development? | The entire project scope The portion of project site submitted for LEED certification |
| What are excluded from the calculations in a density radius calculation? | Public roads and waterways are excluded from the calculations. |
| What are the benefits of reducing potable water use in buildings? | Decreased building operating costs Reduced drawdown of potable water from water bodies and aquifers |
| What term also means site area? | Property area NOT Development footprint |
| What aspects of integrated project planning are NOT the most important to be integrated? | Financing |
| Locating a project near mass transit would have what economic benefit? | The parking capacity can be reduced which would reduce the amount of money spent on the parking structure or area. |
| Is it true that RPCs are not new credits; they are 'bonus points'? | RPCs are not new credits; they are 'bonus points' |
| A single building commercial project is not part of a multi-building project. What would increasing the amount of open space for the project impact? | Size of the area to plant native vegetation |
| Why use commingled recycling? | Commingled recycling takes up less space & People are more likely to participate in the recycling program |
| What are differences between Hydrocarbons (HCs) and Hydrochlorofluorocarbons (HCFCs)? | HCs have a lower global warming potential (GWP) than HCFCs HCs are environmentally benign to the atmosphere while HCFCs are not |
| What is true about integrative design? | Integrative design is applicable to any phase in the life cycle of a building or land-use project |
| What environmental issue is associated with refrigerants used in HVAC&R systems? | Increasing greenhouse gas emissions |
| If a refrigeration system is inefficient, what is the indirect impact? | Increased energy consumption |
| Which of the following has the greatest indirect impact on global warming? | Chillers' operating efficiency |
| What project design strategy would minimize a project's water usage the most? | Installing a landscape that needs no irrigation |
| If an HVAC engineer is a LEED AP and also a principle participant on a project, what type of credit can be earned?? | Innovation in Design. Projects can earn one Innovation in Design point (and only one) for having at least one principle on the project that is a LEED AP. |
| What is a way a project team can increase the density of a building? | Designing a smaller building footprint and maximizing the floor-area ratio |
| A project team discovers a new way to avoid the heat island effect. How does the LEED certification process reward this new concept? | Heat Island Effect is covered by LEED, so no additional points would be given |
| What does the IPMVP Volume III provide information on? | Best practices for verifying the energy performance of a new building |
| What project team meeting is used to integrate green strategies across all aspects of the building design, drawing on the expertise of all participants? | Design Charrette: No later than the design development phase and preferably during schematic design, conduct at least one full-day integrated design workshop with the project team. |
| Open space that would count for a LEED project must be located: | Within the LEED boundary |
| What should be included in a building program detailing the project's green building requirements? | Statement of the project's environmental vision and goals. General description of the project. Room-by-room description of the project, |
| The LEED Credit Checklist allows project teams to mark potential credit achievement as: | Yes/Maybe/No |
| What information can be entered in the LEED Score Card? | Certification estimate |
| The number of occupants in a building would be used for what calculations? | Building density |
| A project that uses 100% green power can earn credit in what LEED categories? | Innovation in Design & Energy and Atmosphere |
| the Clean Air Act does what? | No production and no importing of any HCFCs will be allowed after 2030 under the Clean Air Act |
| There are five refrigerants that are benign to the earth's atmosphere. They are? | CO2 - Carbon dioxide H2O - Water NH3 - Amonia HC - Hydrocarbons, such propane, butane, ethane, isobutene, and isopentane Air |
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