LEED AP Flashcards
What is Commissioning (Cx)?
The process of verifying and documenting that a building and all of its systems and assemblies are planned, designed, installed, tested, operated and maintained to meet the Owner’s Project Requirements (OPR).
What are areas where people sit or stand to work are called?
Regularly Occupied Spaces
To be classified as a regularly occupied space how much time must an individual spend in it?
More than 1 hour per person per day on average
Portions of the building under the tenant’s scope need to be designed to what standard to be achieve Minimum Energy Performance?
ASHRAE 90.1-2010
Connected lighting power density must be what % below (what) to meet the prescriptive path of Minimum Energy Performance?
5% below ASHRAE 90.1-2010
Installing 50% or more ENERGY STAR equipment helps with what prerequisite or credit?
EA Prerequisite Minimum Energy Performance
What is lighting power density defined as?
The installed lighting power, per unit area
What is the lighting power allowance measured in?
Watts
What other credits does lighting density affect.
EA Prerequisite Minimum Energy Performance
EA Optimize Energy Performance
EA Prerequisite Fundamental Cx and Verification
EA Enhanced Cx
EQ Interior Lighting
EQ Daylight
For prescriptive compliance to earn 4 points for Interior Lighting, what % below the standard is required?
25%
For prescriptive compliance optimizing HVAC Zoning and Controls can earn how many points?
2 points
Of CFC’s, HCFC’s, and HFC’s, which are less harmful to the environment?
HFC’s
What must every tenant fit out meet for HVAC points when following the prescriptive path?
Every solar exposure must have a separate control zone. Interior spaces must be separately zoned and private offices and special occupancies must have active controls capable of sensing space use and modulating the HVAC system in response to space demand.
What is the prescriptive compliance path for HVAC Equipment Efficiency in base building systems?
For all base building HVAC systems that serve the project, comply with the recommendations in the appropriate ASHRAE 50% Advanced Energy Design Guide.
What interior lighting controls can earn points for the prescriptive compliance path of EA Optimize Energy Performance
Daylight Controls (1 pt) Occupancy Sensor Lighting Controls (1 pt)
What 3 base building systems can earn points for the prescriptive compliance EA Optimize Energy Performance
Building Envelope, Opaque (2 pts)
Building Envelope, Glazing (2 pts)
HVAC Equipment Efficiency (2 pts)
What is an economizer?
A device used to make building systems more energy efficient. Examples include HVAC enthalpy controls, which are based on humidity and temperature.
What types of equipment and appliances can earn points for prescriptive compliance in EA Optimize Energy Performance?
ENERGY STAR appliances, office equipment, electronics, and commercial food service equipment. Excluded are HVAC, lighting, and building envelope products.
If 90% of the equipment in a new tenant space is ENERGY STAR rated, how many points would a project team earn?
2 points
Who should be involved with purchasing ENERGY STAR qualified equipment and appliances.
The office manager and project owner should institute a purchasing policy, and track purchases.
What is rated power?
the nameplate power on a piece of equipment, representing the capacity of the unit and its max draw.
Furniture must be tested in accordance with what standard to be considered low-emitting?
BIFMA
What used furniture is considered compliant with low-emitting materials?
Salvaged and used furniture that is more than 1-year-old at the time of use.
Pressure differential is measured in what units?
Pascals (Pa)
What does MERV stand for?
Minimum Efficiency Reporting Value
Flush-out air must be at what temperature and humidity?
An internal temperature of at least 60 degree and no higher than 80 degrees F and a relative humidity no higher than 60%
What is a technology strategy for project teams when selecting water efficient fixtures and fittings on a project?
Use EPA WaterSense labeled fixtures and fittings
Under typical circumstances how many times does 1 male FTE use a urinal per day.
2 times per standard fixture use
Under typical cirumstances how many times does 1 female FTE use a water closest per day?
3 times per standard fixture use
Under typical circumstances, how many times does 1 FTE (both male and female) use a lavatory faucet per day?
3 times per standard fixture use for a duration of 15 seconds
What are some types of eligible on-site renewable energy systems?
Photovoltaic Wind energy Solar thermal Biofuel-based energy Geothermal Low impact hydroelectic Wave and tidal power
What are some types on ineligible on-site renewable energy systems?
Architectural features
Passive solar
Daylighting
Geo-Exchange (ground source heat pumps)
What are the WE Credit Indoor Water Use Reduction point thresholds for commercial interiors?
25% = 2 pts 30% = 4 pts 35% = 6 pts 40% = 8 pts 45% = 10 pts 50% = 12 pts
No exemplary performance
What is the definition of source reduction?
To reduce the amount of unnecessary material brought into a building (e.g. purchasing products with less packaging)
What is the minimum number of years a tenant must commit to remain in the same location for MR Credit Long Term Commitment?
10 years
What is the % threshold associated with Option 1 Interior Reuse for MR Credit Interiors Life-Cycle Impact Reduction
50%
Calculations for the MR Credit Interiors Life-Cycle Impact Reduction Option 1 Interior Reuse are based on what factor?
Surface Area
What are the 4 preferred strategies for reducing waste?
source reduction, reuse, recycling, and waste-to-energy
What are some design strategies/techniques for minimizing waste through source control?
- Shop fabrication of component parts
- Modular construction
- Ordering material cut to size
What do project teams need to obtain to retain as verification records for MR Credit Construction and Demolition Waste Management
- Waste haul receipts
- Waste management reports
- Spreadsheets
What is one trade-off comingled construction waste sorting might have even though it simplifies waste management efforts and helps with space constraints.
Increased recycling costs
What types of salvaged material should project teams consider for MR Credit Interiors Life-Cycle Impact Reduction?
Beams, posts, flooring, paneling, doors, frames, cabinetry, brick and decorative items
What types of salvaged or reused furniture and furnishings should project teams consider for MR Credit Interiors Life-Cycle Impact Reduction?
- Case pieces
- Seating
- Filing systems
- Decorative lighting and accessories
What is the definition of the developmental footprint?
The area affected by development or by project site activity. Hardscape, access roads, parking lots, nonbuilding facilities, and the building itself are all included in the development footprint.
What are the transportation distances measured from for the location valuation factor?
Project site
What are the different classification types for a building’s occupant?
Regular building occupants and visitors
What are building visitors (transients)?
Occupants who do not use a facility on a consistent, regular, daily basis. Examples: students in higher education and retail customers
What standard set limits for plumbing fixture settings?
Energy Policy Act (EP Act) of 1992 and 2005
What is the default gender ratio for LEED water calculations?
1 to 1; i.e. 50/50 male to female
What are the baseline water consumption fixtures and fittings?
water closets, urinals, lavatory faucets, showers, kitchen sink faucets
What appliances must be addressed for Indoor Water Use Reduction?
- Residential clothes washers
- Commercial clothes washers
- Residential dishwashers
- Pre-rinse spray valves
- Ice machines
What are the benefits of commissioning?
- Reduced energy use
- Lower operating costs
- Reduced contractor callbacks
- Better building documentation
- Improved occupant productivity
- Verification that systems perform with OPR
What energy-related systems must be commissioned?
HVAC&R, lighting & daylighting controls, domestic hot water systems, renewable energy
What do the Owner’s Project (OPR) Requirements typically include?
- owner and user requirements
- environmental and sustainability goals
- energy efficiency goals
- indoor environmental quality requirements
- equipment and system expectations
- building occupant and O&M personnel requirements
What should the Basis of Design (BOD) include?
Primary design assumptions, standards, and narrative descriptions
Process energy is considered to include, but is not limited to what equipment?
It may include refrigeration equipment, cooking and food preparation, clothes washing, and other major support appliances
Regulated or (non-process) energy includes what systems?
- Lighting (interior, parking garage, surface parking, facade, or building grounds)
- HVAC
- Service water heating for domestic or space heating purposes
What generates both electrical power and thermal energy from a single fuel source?
Combined Heat and Power (CHP) or Cogeneration
Where can technical guidance be found if a project utilizes a district energy system?
ASHRAE 90.1-2010 Appendix G
What four fundamental strategies can increase energy performance?
- Orientation
- Site energy sources
- Efficient envelope
- Energy recovery systems
What are the 3 basic methods for ventilating buildings
- Mechanical ventilation (active ventilation)
- Natural ventilation (passive ventilation)
- Mixed-mode ventilation (both mechanical & natural ventilation)
What are ECM’s?
Energy Conservation Measures – installations or modifications of equipment or systems intended to reduce energy use and costs
What is a BAS?
Buildings Automation System – a BAS uses computer-based monitoring to coordinate, organize, and optimize building control subsystems, including lighting, equipment scheduling, and alarm reporting.
When can certification be revoked?
Certification may be revoked from any LEED project upon gaining knowledge of non-compliance with any applicable MPR. If such circumstances occurs, registration and/or certification fees will not be refunded.
What is premature obsolescence?
The wearing out or disuse of components or materials whose service life exceeds their design life. For example, a material with a potential life of 30 years is intentionally designed to last only 15 years, such that its remaining 15 years of service is potentially wasted. In contrast, components whose service life is the same as their expected use are utilized to their maximum potential.
What is differential durability?
A state in which 2 materials with different life spans make up 1 complete component. If 1 materials wears out and cannot be separated and replaced, the entire product must be thrown away.
How many strategies must be implemented when designing for flexibility
At least 3
What are the requirements for surrounding density?
Locate on a site whose surrounding existing density withing 1/4 mile radius of the project boundary meets either the separate residential and non residential densities or combined density value.
What are the minimum surrounding density requirements?
0.5 non-residential density (FAR) and 7 residential density (DU/acre)
OR
22,000 SF/acre of buildable land combined density
What are the requirements for diverse uses
Construct or renovate a building or a space within a building such that the building’s main entrance is withing 1/2-mile walking distance of the main entrance of 4 - 7 (1 pt) or 8+ (2 pts) existing and publicly available diverse uses
What are the 5 use categories for diverse uses
- Food retail
- Community-serving retail
- Services
- Civic and community facilities
- Community anchor uses (BD&C and ID&C only)
What are the distances for Access to Quality Transit
1/4 mile walking distance of existing or planned bus, streetcar, or rideshare stops, OR withing 1/2 mile walking distance of existing or planned bus rapid transit stops, light or heavy rail stations, commuter rail stations or ferry terminals
Where is Access to Quality Transit measured from?
A functional entry - a building opening designed to be used by pedestrians and open during regular business hours. It does not include any door exclusively designated as an emergency exit or a garage door not designed as a pedestrian entrance.
How many bike racks are required for a CI project?
Short-term storage: at least 2.5% of all peak visitors
Long-term storage: 5% of all regular building occupants
(no fewer than 4 spaces per building)
How many bike racks are required for a retail project?
2 short-term storage spaces for every spaces for every 5,000 SF but no fewer than 2 per tenant space
Long term storage for at lease 5 % of regular building occupants, but no fewer than 2 per building in addition to the short-term storage
How many shower and changing facilities are required for a CI project?
At least 1 for the first 100 FTE and 1 additional for every 150 regular building occupants thereafter.
What do Retail project have to include for Bicycle Facilities instead of shower rooms.
A bicycle maintenance program OR bicycle route assistance for employees and customers that is easily visible.
How do you calculate an FTE?
An 8-hour occupant has an FTE value of 1.0; a part-time occupant has a FTE value based on work hours per day divided by 8
How is preferred parking defined?
The parking spots closest to the main entrance of a building (exclusive of spaces designated for handicapped persons). For employee parking, it refers to the spots that are closest to the entrance used by employees.
What is the default gender ratio for indoor water use reduction calculations?
1 to 1; i.e. 50/50 male to female