LEED Study Guide Flashcards
What is the percentage of greenhouse gases from the built environment ?
2/3 or 67%
How much can a team save by using the integrative process?
From 2-10%
What does building design include?
Site, structure, systems and use, and design decisions.
Integrative process steps:
Pre-design, design, construction plans, bidding process, construction, commissioning the building, occupancy and recommissioning, building end of life reuse or demolition.
What is the most important part of the predesign phase?
Life cycle approach
What does the LEED volume program help with?
Cost effective LEED certification on a volume scale
When would the campus program be used?
The campus program is used when there are less than 25 projects and they are non-uniform in size. The projects do not have to be adjacent.
How many LEED adaptations are there?
21
What LEED rating system has recertification?
LEED operation and maintenance
How often must LEED O plus M projects recertify?
Every five years
What are the LEED impact category?
Reverse contribution to global climate change. Enhance individual human health and well-being. Protect and restore water resources. Protect enhance and restore biodiversity in ecosystem services. Promote sustainable and regenerated material resources.
What are three important factors of the LEED Green building rating system?
Voluntary. Consensus-based. Market driven.
What are the point values of a L EE D credit based on?
The ability to mitigate the environmental harms of the building into promote beneficial effects.
What are CFCs?
CFCs stands for chlorofluorocarbon. This is a type of hydrocarbon that is used in most types of refrigerant for building applications such as centrifugal chiller’s, refrigerators and humidifiers.
What do you CFCs do to the environment?
CFCs destroy the ozone layer.
What other green buildings rating systems are available?
Green globes. BREEAM. Green star. I GCC.
What standard defines a green power?
Green-e
What type of system Use CFCs?
Chillers. Refrigerators. Humidifiers.
What are alternatives to using refrigeration with CFCs?
Natural ventilation. Refrigerants would lower ODB and GWP. Natural refrigerant.
What does GWP stand for?
Global warming potential
What category does lighting power density have the greatest impact on?
Energy and atmosphere
What is lighting power density?
Install lighting power of per unit area
What does ODP stand for?
Ozone depletion potential
What is a baseline building performance?
ASHRAE 90.1 defined minimum standards of design. A buildings baseline building performance would be the annual energy costs for a building design to those minimum standards.
What is natural ventilation?
Natural ventilation uses the natural forces of wind and bouyancy to deliver fresh air into buildings
What standard applies to natural ventilation?
ASHRAE 62.1
What type of impact do you H FC’s have on the ozone layer?
HFC’s have a low impact on the ozone layer but many agencies have a high global warming potential GWP.
What is free energy?
Energy was low to no cost that comes as a result of the building design. Examples include the lighting natural didn’t relation or on-site solar power/wind energy.
What is global warming potential as it relates to refrigerants?
A measurement of how much is that the given refrigerant will have on global warming in relation to carbon dioxide, where CO2 has a DWP of one. In this case the lower the value of GWP the better the refrigerator.
What is ozone depletion potential as a relates to refrigerants?
The potential for a single molecule of the refrigerant to destroy the ozone layer the less the value of the ODP the better the refrigerant is for the ozone layer.
Is it better for a refrigerant to have a higher or lower ODP and GWP?
Lower
What is the fundamental refrigeration management?
To reduce stratospheric ozone depletion
What is fundamental refrigerant management?
A minimum threshold for refrigerant selection. LEED requires zero use of CFCs based refrigerant in new base building HVAC&R systems.
What variables measured a refrigerant impact on the environment?
Global warming potential GWP and ozone depletion potential. ODP
What does air pollution cause?
Harm or discomfort to humans or other living organisms, or damages the natural environment into the atmosphere.
What is a lifecycle cost analysis?
Lifecycle cost analysis calculate expected future operating, maintenance and replacement costs of designs in features used to assist in developing a realistic design and budget estimate.
What is net metering?
It promotes water runoff instead of infiltration into the subsurface this term is mostly use when discussing hard scape surfaces.
What types of power have the greatest negative environmental impact?
Coal. Gas. Hydropower. Other fossil fuels.
What is demand response?
A change in electricity used by demand side resources from their normal consumption patterns in response to changes in the price of electricity or to incentive payments designed to induce lower electricity use at times of high wholesale market price.
An energy simulation model or energy model is generated for what reason?
The simulation model or energy model are used provide the anticipated energy consumption of the building permits a comparison of energy performance.
What do greenhouse gases due to their environment?
Absorbed and emit radiation at specific wavelengths within the spectrum of thermal infrared radiation emitted by surface, clouds and the atmosphere. Can contribute to global climate change
What is a demand response event?
A specific period of time when the utility or independent service calls for a change in the pad or a level of using grade base electricity from its program participants.
What is the main ASHRAE standard in which HVAC systems must adhere?
ASHRAE 90.1
What is a carbon offset?
That is reduced, avoided or sequestered to compensate for admissions occurring elsewhere
What is in REC?
Renewable energy credits or green tags or tradable renewable certificate, are tradable environmental commodity in the US which represent proof that 1 MWh of electricity was generated from the elegible renewable energy resource.
What is radon?
A cancer-causing radioactive gas, found in the ground, groundwater or building materials enters working in living spaces and disintegrates
Where can our RECs be purchased?
Anywhere in are not bound by geography. They differ from actual electricity which must be purchased from a local provider.
Standard qualifies carbon offsets?
Green – E climate certified
How is the buildings energy efficiency benchmark?
EPA’s energy Star portfolio manager
What is the LEED online?
The primary resource for managing documentation process
What are the LEED reference guides used for?
A users manual that guides a project from registration to certification of a project and construction of the project.
What are some of the features of LEED online?
Manage project details, complete documentation requirements for credits and prerequisites , upload supporting files, submit application review, review feedback, earned certification
What is the purpose of a LEED scorecard?
The scorecard is to assist in determining the total project score and achievable credits at the inception of the LEED project
What do you the reference guides contain?
Strategies, case studies, and documentation requirements for each credit and prerequisite in the rating system.
Who can access the LEED Online?
Anyone assigned to a project by the project admin
What general documentation must be submitted for certification?
Project narrative. Project photos/drawings. Typical floorplans. Elevations
What organization is responsible for LEED project registration?
GBCI
What does a prerequisite represent?
It represents that key criteria that define green building performance. They must be completed for a project to earn certification
What is a LEED intent?
Identify the main sustainability goal or benefit of the prerequisite or credit
Why do projects need to meet prerequisites?
Because they are key criteria that define green building performance
How many certification levels are visible to a LEED project?
4
What are the different certification levels a project can earn?
Certified. Silver. Gold. Platinum
How are CIRs submitted?
Credit interpretation request must be submitted through LEED Online
What are the amount of points based on?
How will the credit addresses environmental and health concern
What is environmental sustainability?
Long-term maintenance of ecosystem components and functions for future generations
What is considered a construction hard cost?
Construction hard costs are considered to be tangible or physical products for building
What is a construction hard cost?
The hard cause I mostly comprised of the actual construction cost to build the project examples include masonry, would, steel, carpet, etc.
What are construction soft costs?
Soft costs are expense items that are not considered direct construction costs such as legal fees and building permitting
What is meant by lifecycle assessment?
In lifecycle assessment is an analysis of the environment aspects and potential impacts associated with the project, process, or service
What factors dictate how much your private certification fees will cost?
The rating system in which the project is registered under, the size of the project and square feet, and the date in which the project was registered
LEED promotes what type of approach to sustainability?
A whole building approach
What has USGBC adapted to establish metrics in rating systems to measure building performance?
Triple bottom line
What does each category in the rating system consist of?
Prerequisites and credits
When can a project the eligible to display the LEED plaque and other marketing material?
Following the acceptance of a final certification review
What does LEED stand for?
Leadership in energy and environmental design
What is LEED?
And internationally recognized green buildings certification system, providing third-party very verification that a building or community was designed and built strategies aimed at improving performance across all the metrics that matter most.
What part of the LEED rating system are optional?
Credits are optional prerequisites are required
How is LEED developed?
The rating system is developed through an open consensus based process led by LEED volunteer committees
What is the total number of points available a LEED project can earn?
110
What is Green Seal used for?
Green seal is an independent nonprofit organization that identifies and promotes products that are environmentally preferable
What type of products are related to the Green Seal standard?
Paints and primers
What LEED credit category has credits that reference the Green Seal standard
Indoor environmental quality
What are LEED credit templates ?
The documentation forms used to prove the requirements of a prerequisite or credit have been met. These will be filled out in LEED Online
What is Preliminary Rating?
The target score the project team will attempt to achieve. The final score, based on the number of points awarded, may be more or less than the preliminary rating
How should projects reduce runoff?
Replicating the natural hydrology and water balance of the site
What are ways to manage runoff?
Low impact development LID and green infrastructure
What products can have a WaterSense label ?
Toilets
Private lavatory faucets
Shower heads
What is energy use intensity measured in?
energy consumed per unit of floor space
What is the Owners Projects Requirements document ?
A written document that details the ideas, concepts, and criteria determined by the owner to be important to the success of the project.
What is Bus rapid transit
BRT is an enhanced bus system that operates on exclusive bus lanes or other transit rights of way. The system is designed to combine the flexibility of buses with the efficiency of rail
What does tracking building level energy use help with ?
Identifying additional energy savings over time
What is adaptive reuse ?
The practice of redesigning and using a structure for use that is significantly different from the buildings original use
What do the credits In the MR category focus on?
Minimizing the embodied impacts associated with the entire life cycle of building materials
What is the purpose of a life cycle assessment ?
To understand the trade offs of material selection and energy performance
What is extended producer responsibility?
Measures undertaken by the maker of the product to except it’s own and sometimes other me pictures products as postconsumer waste at the end of the product useful life?
What is a flush out?
A flush out runs the mechanical systems with 100% outside air to remove contaminants. Flush out are usually done after construction is complete and prior occupant moving in.
What is IPM?
Integrated pest management a method of pest management that protects human health and the surrounding environment and improves economic returns
What is a common issue with the daylighting?
Glare
What does the lighting help reduce?
The need for artificial lighting
What are the benefits of good acoustics?
Increased learning in schools. Increased privacy in healthcare. Increased employee productivity.
What are ways to provide thermal comfort?
Operable windows. Individual thermal comfort controls. Controls for shared spaces.
What is a negative environmental externality of locating a project in an area that does not have diverse uses and is not densely developed?
Increased air pollution
What are the benefits of LEED certified building?
Lower operating costs and increase acid. Reduce waste sent to landfills. Energy and water conservation. More helpful and productive environment for occupants. Reductions in greenhouse gas omissions. Qualification for tax rebates.
What is the most impactful way that a project can help to reverse contribution to climate change?
Reducing fossil fuel based energy consumption
What is a ride share?
A transit service in which individuals travel together in a passenger car or in a van that seat at least four people.
What is a regulated load?
Any building and use that has either a mandatory or a prescriptive requirement in ASHRAE standard 90.1
What is SMACNA in a used for?
Sheet metal and air conditioning contractors national Association guidelines play a key role in construction activity pollution prevention
What lead category would SMACNA be for.?
Indoor environmental quality
Recycled content is defined in accordance with what document?
ISO 14021 international organization of standards document
What are examples of non-financial incentives for green building?
Technical assistance. Marketing assistance
What is a regular building occupant?
Habitual users of the building
Name the different types of regular building occupants?
Employees. Staff. Volunteers. Resident. Primary and secondary school students. Hotel guest. Inpatient.
What is a visitor?
Visitors intermittently use a building
Name the different type of building visitors
Retail customers. Outpatient. Volunteering. Higher education students.
What is the most important of the integrated process?
Discovery
What is a commissioning authority?
The individual designated to organize, lead, and review the completion of commissioning process activities
What is low impact development LID?
In approach to managing rainwater runoff emphasizes on site natural features to protect water quality by replicating the natural land cover hydrologic Regime of watersheds and addressing runoff
What are low VOC products?
Materials that have less off gassing resulting in improved indoor air quality
What are examples of occupant controls?
Occupant controls the system of switch that a person in the space can directly access and use. Which include a task light, and open switch and blinds.
Can a project earn multiple certifications
Yes
What types of projects would LEED BD+C schools be used for?
The design and construction of K through 12 schools
What LEED category can earn points for low emitting materials?
Indoor environmental quality
What is lifecycle costing?
Evaluate the products economic performance
What is lifecycle assessment
The investigation and valuation of the environmental impacts of a given product or service caused or necessitated by its existence
When should lifecycle assessment?
When considering the products long-term environmental impact over the products lifetime
Why should you use lifecycle costing ?
When their existing project alternatives filled the same performance requirements, but different with respect to initial costs and operating costs. The comparison can help maximize net savings
What is value engineering?
Analysis of the requirements of a project for the purpose of achieving the essential functions at the lowest total cost
What can cause the heat island effect?
Dart surfaces. Vehicle exhaust. Air-conditioners. Reduced airflow from tall buildings and narrow streets
What is heat island effect?
The heat island effect is a situation where the absorption of fat hard scapes, buildings, and dark materials then radiate to surrounding areas
What is solar reflectance index?
A measure of the constructed surfacings ability to stay cool in the sun by reflecting solar radiation and in meeting thermal radiation
What are the benefits of reducing heat island effect?
Reducing heat island reduces air temperatures which would reduce the need to cool that air in the building
What are some ways to reduce on automobile parking?
Select a site near mass transit, promote carpooling, install less parking, install bicycle rack
What are some types of diverse uses?
Bank, Place of worship, convenience store, grocery, daycare, cleaners, fire station, beauty salon, hardware
What is a Brownfield?
Real property who’s use may be complicated by the presence of possible presence of a hazardous substance, pollutant or contaminant
What do reflective materials help with?
Reducing the heat island effect
What are ways to reduce single passenger vehicles traveling to a project site?
Locate the site near mass transit
What does preferred parking referred to?
Preferred parking refers to the parking spots that are closest to the main entrance of the project for parking passes provide it at a discounted rate
What type of paving systems that are open and allow moisture to soak into the ground below?
Pervious
By what amount can heat island effect temperatures in urban areas
10° or more
What minimum green score is required by LEED for a vehicle to qualify as a green vehicle?
45 is required on the American Council for an energy efficient economy annual vehicle rating guide
What strategies are employed to reduce heat islands?
Using materials with Higher solar reflectance properties in the site design, provide shaded areas and reduce her speech services by installing vegetative roofs
Heat islands impact what LEED categories.?
Sustainable sites and energy and atmosphere
What generally defines open space area?
Local zoning requirements
What does the building footprint consist of?
The area on a project site used by the building structure and defined by the perimeter of the building plan
What is light pollution?
Waste light from building site that produce glare, is directed outward to the sky
What is A greenfield site?
A site not previously developed or graded that could support open space habitat or agriculture
What are examples of impervious surfaces?
Parking lots and sidewalks
How is development density calculated?
Buy drawing a radius from the project building
What is the purpose of locating a project in an area with diverse uses ?
Located near diverse uses promotes walking
What is a diverse use?
A distinct, officially recognize business, nonprofit, civic, religious, or governmental organization, or dwelling units, or offices
How are diverse uses identified for project?
By walking distance from the project site
What is pedestrian access?
Pedestrian access allows pedestrians to walk between areas without interference
What is a previously developed site?
Site there was previously built on, has been graded, or container parking lot, roadway or other structure
What is the development footprint?
The development separate includes all areas of the site affected by the development of project site activity. Include hard skates, parking lot, access roads, none building facilities and the building itself
What is open-space?
Open space is undeveloped land but is different from Greenfield sites since open space could have been developed in the past and restore to an undeveloped state
What is a full-time equivalent? FTE
A regular building occupant who spends 40 hours per week in the project building
What are transient occupants?
Building visitors and other part-time or occasional occupants such as students, volunteers, visitors
How can potable water use reduced for irrigation?
Use graywater or rainwater for watering . Use drip irrigation. Install a native and adaptive plants
What two measurements are used to calculate a percent reduction in water use?
A baseline design case and an installed design case
What is energy efficiency?
Energy-efficient see is the use of technology that requires less energy to perform the same function as a conventional item.
What is global warming?
Global warming refers to climate change that causes an increase in the average temperature of the lower atmosphere of the earth.
What are three types of LEED improvements made on a regular basis?
ERRATA and addenda. Adaptations. Next version of LEED
What are greenhouse gas?
A gas, such as carbon dioxide or methane, which contributes to potential climate change
In what three ways are LEED interpretations different project CIRS?
Precedent setting. Published online. Subject to consensus-based review.
What are three benefits of LEED interpretations?
Can be applied to multiple projects. Part of the L EE D conversation. Reviewed by USGBC committees.
What types of projects require a master site for registration?
Campus
What LEED developments address specific space types in international requirement?
LEED rating system adaptations
What is the LEED pilot credit library?
Allows credits to be refined through project evaluations before they complete the balloting process for introduction into L EE D
What is LPE?
Licensed professional exemption LPE is in optional credit documentation path in which professionals can submit license information and a declaration of compliant in Lieu of a number of otherwise required submittal.
What is a closed system?
They closed system is a system would a closed loop and is thought of as a more sustainable process.
What is an open system?
And open system is a system that constantly takes and items from outside the system, uses them and then releases them as waste.
What is a negative feedback loop?
A negative feedback loop is a system where the output make signaled the system to stop changing.
What is the most effective way to optimize energy efficiency?
The most effective way to optimize energy-efficient is by utilizing an integrative whole building approach
What are the phases of the LEED integrative process?
Discovery. Design and construction. Occupancy, operations, and performance feedback.
What steps occurred in the pre-design phase?
Develop green vision. Established project goals. Green design criteria. Set priorities. Develop building program. Establish budget. Assemble green team. Develop partnering strategies. Develop project schedule. Review laws and standards. Conduct research.
How does integrated design differ from the conventional building process?
The integrated process is iterative
What is at the core of the integrative process?
Collaborative team members
What does the ISO 14000 standard do?
Assesses environmental performance of products and services and provide guidance on improving their environmental performance
What does the Energy star standard do?
Energy star is specific to energy performance and can be used to compare building performance.
What is infill development?
Infill development occurs within established urban areas where the site or area either is a bacon place between other developments or has previously been used for another purpose
What document assist with determining recommended parking?
ITE transportation planning handbook
What is a site assessment?
In a valuation of in areas above ground and subsurface characteristics, including its structures, geology and hydrology. Site assessments typically help determine whether contamination has occurred in the extent and concentration of any release of pollutants
Construction activity pollution prevention should address what environmental protection measures?
Soil erosion. Waterway sedimentation. Airborne dust
What team member creates an erosion and sedimentation control plan for a construction activity pollution prevention?
Civil engineer