WorksheetsLEED AP BD+C_Energy and Atmosphere
Total questions: 82
Worksheet time: 1hrs 2mins
A residential building will include a common laundry room, postal area, and heated swimming pool. An independent CxA has been hired to help the project achieve EA Credit Enhanced Commissioning. What additional activity will be required of the CxA to earn enhanced systems commissioning?
Implement the commissioning plan
Develop a systems manual for the heated swimming pool
Verify that requirements for training lifeguards are completed
Review contractor submittals applicable to the heated swimming pool
A CxA has been selected who is a subcontractor of the general contractor with construction responsibilities. What tasks do NOT need to be performed for fundamental commissioning?
Develop and incorporate commissioning requirements into the construction documents
Review the basis of design
Complete a summary commissioning report
Envelope commissioning
Which building element has to be commissioned as part of LEED certification for a hotel?
Sprinkler System
Solar panels
Building envelope
Fire alarm systems
A CxA has been selected to perform the fundamental commissioning of a new computer data center. At a minimum, which of the following must the CxA commission for LEED certification?
Renewable energy systems
Stormwater management systems
Building security system
Information technology systems
Which system is required to be included in the Owner's Project Requirements (OPR) but does not have to be commissioned for Fundamental Commissioning and Verification?
Life safety systems
Fire protection and fire alarm systems
Building envelope
Process equipment
A project team is pursuing EA Credit Enhanced Commissioning. When does the building operations need to be reviewed?
Ten (10) months after substantial completion
Twelve (12) months after occupancy
Twelve (12) months after LEED certification has been awarded
Ten (10) months after the functional tests are completed
A project building is 45,000 sq. ft. A project team has selected a commissioning agent who is a construction manager not holding any construction contracts. What will the CxA NOT need to do for fundamental commissioning?
Coordinate commissioning testing
Review results of system performance verification
Direct the commissioning team and the process
Review building operation within 10 months of substantial completion
The project owner has designated you to hire the Enhanced Commissioning Authority for a 100,000 sq. ft. retail center. What two restrictions must you ensure the CxA meets to qualify for LEED credit?
Not a member of the design team and Not an employee or contractor of the owner.
Not an employee or subcontractor of the general contractor or construction manager and has building experience on at least 1 other building project.
A member of the design team and has building experience on at least 3 other building projects.
Not a member of the design team and not an employee or subcontractor of the general contractor or construction manager
A 100,000 SF (9,290 m2) new office building will have mixed-mode ventilation and steam boilers. The building owner wants to hire a consulting firm owned by a relative for the Cx process. What is true about this decision?
The firm can be hired if they have worked on at least two other projects that were around 100,000 SF (9,290 m2) in size and had mixed-mode ventilation and steam boilers
Relatives are not allowed to be hired as a CxA in LEED
The firm can be hired if they participate in the integrative process and are part of the design and construction team
The firm can be hired if all of the findings are reported directly to the LEED reviewer and not the owner
A CxA has arrived on a project site to verify the installation and performance of the systems as part of fundamental commissioning. Which of the following are NOT typical steps the CxA will perform?
Prefunctional inspections
Functional performance testing
Comparing results with the owner's project requirements
Training operating personnel
Which action would a third-party commissioning agent most likely take in the design phase of a project?
Verify that the architect's and engineer's designs meet the owner's project requirements
Write the Basis of Design (BOD)
Research the assumptions regarding usage of the facility
Collect specific manufacturer makes and models for drawings and specs
Which document will serve as the foundation from which all design, construction, acceptance, and operational decisions are made?
The Basis of Design (BOD)
The Current Facilities Requirements (CFR)
The Owner's Project Requirements (OPR)
The Architect's Specifications
Before construction documents are written for an office project, the project team makes some design modifications as a result of value engineering. Who will be responsible for updating the Owner's Project Requirements?
The CxA
The architect(s)
The owner(s)
The design team
At which point during a project schedule is the Basis of Design created?
During the schematic-design phase
During pre-design phase
At the Cx kickoff meeting
The same time the Cx report is created
At which point in a project's schedule must the commissioning authority be engaged?
By the end of the schematic-design phase
By the end of the design-development phase
Prior to completion of the Basis of Design (BOD)
During the pre-design phase
The commissioning authority, with the help of the design team and contractors, is writing functional test scripts for a new school building. Which order will the test scripts typically follow?
The startup, programming, and testing done by the contractor
The sequence of operations developed by the engineers
The performance criteria in the Owner's Project Requirements (OPR)
The design-development guidelines in the Basis of Design (BOD)
In which LEED credit is sampling allowed?
WE Prerequisite Indoor Water Use Reduction
WE Prerequisite Outdoor Water Use Reduction
WE Credit Water Metering
EA Prerequisite Fundamental Commissioning and Verification
Each item would be developed for EA Prerequisite Fundamental Commissioning and Verification except which of the following?
A commissioning report
Current facilities requirements
An operations and maintenance plan
A simple box energy model
A warehouse project is located in an extremely arid climate. The project owner has a goal to increase energy efficiency. Which action would most benefit this project?
Envelope commissioning
Permeable paving
On-site wastewater treatment
Low-sloped roofing
Which components are NOT part of monitoring-based commissioning?
Permanent energy monitoring systems
Real-time energy analytics
Ongoing commissioning
Envelope commissioning
A 400,000 square foot (37,161 square meter) commercial building has a curtain-wall facade. Which envelope testing methods would be appropriate for this project?
Thermal imaging of sample windows
A field mock-up and thermal imaging
Blower door testing of a field mock up
Window sampling and Blower door testing
The number of occupants, their function, and the occupancy schedules for the building would be noted in which document?
The Owner's Project Requirements (OPR)
The Basis of Design (BOD)
The Cx Report
The Current Facilities Requirements (CFR)
After the owner documents their owner's project requirements (OPR), the project team will take that document to create the basis of design (BOD). What would be contained in the BOD?
Energy efficiency goals, number of occupants, building schedule
Systems and assemblies, governing codes and standards, performance criteria and assumptions
Operating mode tests, sustainability goals, occupant functions
Functional testing, training requirements, issue resolution process
A CxA has finished preparing their Cx report for the building owner, and the project team is compiling the current facility requirements (CFR) and operations and maintenance (O&M) plan. Which information should the CFR and O&M plan include to operate a building efficiently by the facility manager?
Set points for all HVAC equipment, sequence of operations for the building, lighting levels
Installation verification checklist, design review log, functional performance tests
System deficiencies, air quality measurements, occupant surveys
Subcontractors contact information, issues log, team member roles
A CxA has conducted the installation inspections and functional performance tests of all required systems in a building. After documenting the findings and recommendations in the Cx report what will be done with the report?
The report will be given to a LEED AP for review
The report will be given to the facility manager to be used for training
The report will be submitted to the owner and uploaded to LEED online for documentation
The report will be provided to the building occupants so they can understand the building's green building features
A CxA is developing an ongoing Cx plan as part of a ten-month review. What information must be included in the ongoing Cx plan?
Direction on how to test any retrofitted equipment
Trends in building operations
Seasonal testing results
Interviews with occupants
What document includes installation verification checklists, functional performance tests, issues log that details open and closed issues?
Owners project requirements
Basis of design
Systems manual
Cx report
The CxA is working with the building owner to outline the requirements of a systems manual for EA Credit Enhanced Commissioning. What should the systems manual include?
As-built sequence of operations, defined roles and responsibilities, blank testing materials
As-built drawings, equipment operations and maintenance manuals, final commissioning report
Recommended schedule for recommissioning, basis of design, issues log
Equipment preventative maintenance schedules, minimum outside air requirements, construction checklists
A project team has not been able to perform an energy simulation for EA Credit Optimize Energy Performance. For EA Credit On-Site Renewable Energy, where can the project team find information to determine the energy cost supplied by the renewable energy systems?
Registered Project Tools database
EPA Energy Guide by Metro Area
Commercial Buildings Energy Consumption Survey
US DOE 2003 Commercial Sector Average Energy Costs by State
A whole building energy simulation resulted in a baseline building performance of $112,488 for a new school. What minimum improvement in building performance is needed for LEED certification?
$11,248
$5,624
$13,499
$8,999
How can the additional energy needed for increasing the ventilation in a building be mitigated?
Reducing the size of the ventilation ductwork
Using economizer strategies
Using high-pressure drop air filters
Using higher rated MERV filters
A project team is using a whole building energy simulation for EA Credit Optimize Energy Performance. All of the following quality assurance checks would be flagged by the reviewer except:
The vertical glazing areas in the proposed and baseline differ by more than 5%
The baseline and/or proposed interior lighting equivalent full load hours differs by more than 10%
The exterior lighting power in the baseline and/or proposed model shows zero consumption
The baseline and/or proposed exterior lighting equivalent full load hours is greater than 5,100 hours /year
The baseline vertical glazing area is less than 40%
An abandoned building in a downtown area has been chosen for the site of a new museum. The energy performance of the building envelope will not meet the prescriptive requirements for EA Credit Optimize Energy Performance. The project team will not perform an energy simulation. What is true regarding the achievement of this credit?
Exceeding the performance in another area of the building can make up the difference
The credit cannot be achieved
The project team can apply for an exception to the standard
Building envelopes are excluded from this credit requirement for major renovation projects
A design firm is bidding on a new school project. What would be the benefit of creating an energy model and using it as a design tool?
The design can help inform the integrative process.
The energy model is required for LEED certification.
An energy model is more simplified than a prescriptive approach.
It makes it easier to share metering data with USGBC.
Which first step must all projects take before attempting EA Prerequisite Minimum Energy Performance?
Determine the project's climate zone
Review the mandatory components of ASHRAE 90.1
Create a baseline energy model
Determine if the project will be doing envelope commissioning
A school project team doing a whole-building energy simulation has not yet finished the building design when they learn the budget will be increased due to additional grant money being received for energy efficient strategies. The project team decides to add a skylight system to the roof to increase daylighting. What credit would this change impact?
EQ Credit Low Emitting Materials
EA Credit Optimize Energy Performance
EA Prerequisite Fundamental Commissioning and Verification
EQ Credit Quality Views
A company owner wants to build new headquarters and achieve Platinum certification. Which is a good strategy for setting a goal of energy efficiency?
Use a whole building energy simulation to demonstrate a 5% performance improvement over the baseline performance rating
Use ENERGY STAR's Target Finder to develop an energy use intensity (EUI)
Plan for the use of renewable energy systems
Achieve all of the prescriptive requirements from ASHRAE
When is the performance path more appropriate than the prescriptive path for energy efficiency?
When the project budget and timeline would benefit from simplified decision making during the project design
When the additional cost of energy modeling is not warranted
When the project wants to achieve Platinum certification
When the project is a 10,000 SF (929 m2) retail building
A project design includes an innovative external shading device that cannot be simulated by a modeling program. Which action should the energy modeler take as a result?
Use an exceptional calculation method to cover any savings
Choose the most similar shading device the modeling software has available
Exclude the shading device from the model
Provide a project narrative on the energy savings of the device
A project will include a unique manufacturing process resulting in non-regulated load savings. Which statement is true regarding how these savings would be addressed in a whole building energy simulation?
The savings would be excluded
The savings do not have to be modeled and no documentation would be required
The non-regulated load is subtracted from both the baseline and design case model
The exceptional calculation method would be used
A medium-box retail building project is 50,000 SF (4,645 m2). Which action must the project team take to comply with the ASHRAE 50% Advanced Energy Design Guide?
Perform a simple box energy model
Use the exceptional calculation method for all regulated and non-regulated loads
Work with the mechanical and plumbing engineer to verify the HVAC and service water-heating equipment meet the requirements
Have the mechanical engineer include in the plans Supply Air Temperature Reset (VAV), Premium Economizer Performance, and Variable Speed Control
A project team on a LEED BD+C: School project is working with a mechanical and plumbing engineer to verify that the HVAC and service water-heating equipment meets the ASHRAE 50% Advanced Energy Design Guide for K-12 School Building's prescriptive requirements. What else needs to be included in the minimum mandatory and prescriptive scope of work?
Below-grade exterior insulation, continuous air barriers, improved wall insulation
Economizers, ventilation, ducts and dampers
Exterior lighting
Interior lighting, daylighting, finishes
A 20,000 SF (1,858 m2) retail building is considering meeting EA Prerequisite Minimum Energy Performance by following the prescriptive compliance path using the Advanced Building Core Performance Guide. Which statement is true of this approach?
The project can't earn any points under EA Credit Optimize Energy Performance.
The project team must analyze at least four alternative building configurations to maximize passive reduction of building energy loads.
The project does not have to meet the prescriptive envelope requirements of ASHRAE 90.1-2010.
The project team can pursue this path even if the project includes unique systems not addressed by the guide.
If the performance option is chosen for EA Prerequisite Minimum Energy Performance, the modeling data can be used to inform decisions in all of the following EXCEPT which credit?
EA Credit Demand Response
EA Prerequisite Fundamental Refrigerant Management
EQ Prerequisite Minimum Indoor Air Quality Performance
EA Credit Renewable Energy Production
Orienting a building to take advantage of natural shading features of the site are likely to have which result?
Reduce cooling load requirements
Decrease energy load for electrical lighting
Make it harder to maintain the building
Increase process loads
A project team is conducting energy modeling as a design is being finalized. Which statement is true about the resulting model?
The model can inform the decisions about the massing and building orientation.
The model cannot be used to measure the energy demand for EA Prerequisite Minimum Energy Performance.
The value will be limited, except as a compliance tool to estimate the energy savings of the design.
The model would assist with earning Integrative Process credit.
A project team member for a LEED BD+C: Core and Shell project is reviewing the project design to verify if the appropriate building-level and system-level advanced energy meters are installed. The building is cooled by electricity and heated by natural gas. Which statement must be true for the project to achieve LEED credit?
Each floor must have at least one meter for each energy type.
Natural gas can be metered by floor, but a whole building meter is not necessary.
The system must be capable of storing data for at least five years.
Temporary meters must be used in case the meters need to be moved as tenant spaces increase.
Which systems need to be metered for individual energy use for EA Credit Advanced Energy Metering?
Commercial Kitchen that represents 9% of the total annual consumption of the building.
Lighting Automations that control 15% of the total annual consumption of the building
Security system that represents 1% of the total annual consumption of the building.
Two space-heating systems that run on opposite schedules and each use 4% of the total annual consumption of the building
A project team has not performed an energy model for EA Prerequisite Minimum Energy Performance. If the team wants to submeter a ten-story building's individual energy end uses, how should this be determined?
By submetering all systems that use energy within the building
By installing one submeter per floor for each energy type
By consulting CBECS to estimate the typical end uses to meter
By submetering each section of the building based on the occupancy type
A 25,000 SF (2,325 m2) mixed-use building is cooled by four rooftop units (RTUs). The building is one story and includes retail, office, and medical space. How must the cooling system be metered for EA Credit Advanced Energy Metering?
The RTUs must be metered together.
The RTUs must be metered separately.
The RTUs must be metered by occupancy type and operating schedule.
The project team can choose how to submeter the RTUs.
Which action would be aided by gathering data from a building-level metering system?
Supporting the commissioning authority during the ten-month review for Enhanced Commissioning
Providing occupants with information about which subsystems use the most energy
Identifying how much energy was saved from Demand Response events
Optimizing those systems that are using the most energy
A project team is installing advanced meters in an office building for interior lighting, space heating and cooling, receptacle equipment, and fans. Which action would be aided by gathering this data?
Identifying how much energy was saved from Demand Response events
Increasing the lighting quality and thermal comfort of occupants
Receiving energy use discounts from utility providers
Educating occupants with information about which subsystems use the most energy
A new 10-story office building will have many tenant spaces. A building owner and engineer are reviewing potential building automation systems for advanced energy metering to allow the owner to educate tenants about the energy use their tenant space is using. The team has found a system that uses a wireless network, will store all meter data for at least 36 months, and can be remotely accessible. What else will need to be included for EA Credit Advanced Energy Metering?
Each tenant must reduce their energy use by at least 10% for any individual energy end use
Each tenant space must be submetered
Each floor of the building must be submetered separately
Energy meters must record data hourly, daily, monthly, and annually
In an existing building retrofit when must all CFC-based equipment in the base building HVAC&R systems be phased-out?
12 months after the project is completed
Before the project's completion
5 years after the project completion
12 months after occupancy
On a project with older existing HVAC&R system that uses CFCs what can the project team do to earn LEED certification?
The project can be certified with the existing system as-is
Seal any leaks in the existing system
Replace the HVAC&R system with one that does not use CFCs
Maintain the equipment properly over the building's lifetime
Which of the following has the greatest direct impact on global warming?
Chillers' operating efficiency
Building orientation
SRI of a building's roof
Use of natural refrigerants
In a new building how much CFC-based refrigerant can be used?
5% of the total refrigerants
None
5% of the total refrigerants, as long as they are not used in fire suppression systems
2% of the total refrigerants
An existing office building has a 20-year old chiller that uses CFC-11. An owner is considering a major renovation of the building and applying for LEED BD+C:New Construction certification. What statement is true about the project's ability to earn LEED certification?
The owner must replace the chiller to earn LEED certification
The owner can implement a phase-out plan to earn LEED certification
The owner can leave the existing system in place if the annual leakage is reduced to 10% or less
The owner will not be able to achieve a Platinum level certification
What is a trade-off when using a variable refrigerant flow (VRF) system?
Requires a higher refrigerant charge
Decreased energy efficiency
Cannot be used to earn EA Credit Enhanced Refrigerant Management
Has a higher GWP
As an alternative refrigerant to HCFC a project team is considering HFC-410A. What is the trade-off to when using HFC-410A in the HVAC&R system?
It has a higher GWP than HCFC
It has a high flammability
It has a lower refrigerant charge
May require more energy to achieve the same level of cooling as HCFC
A demand response sequence is acceptable for LEED when:
A utility company sends a DR event via e-mail, and a person on-site manually adjusts thermostats.
A curtailment service provider sends a DR event via text, and a person uses a computer to initiate pre-programmed DR measures.
An independent system operator sends a DR event over the Internet and pre-programmed DR measures are initiated automatically
A utility company makes a phone call to a DR coordinator that initiates a control strategy programmed into a BAS.
An office project in a hot climate is considering attempting EA Credit Demand Response. Which actions will the project team need to take in order to participate?
Perform an energy model to determine permanent peak load shifting and reschedule housekeeping activities to off-peak hours to reduce demand
Conduct one full test of the DR plan for fundamental commissioning and verify the utility provider uses renewable energy sources
Participate in a program for at least 10% of peak demand and conduct one full test of the DR plan for fundamental commissioning
Reduce the peak demand of all building systems by 10% during severe storms and between the hours of 8 a.m. to 10 a.m.
Reduce the peak demand of all building systems by 10% during severe storms and between the hours of 8 a.m. to 10 a.m.
Building orientation
Demand response participation
Baseline building performance
Envelope commissioning
A project team used the prescriptive requirements to meet EA Prerequisite Minimum Energy Performance. Which statement is true about the project's ability to participate in a demand response program?
The project team can use space peak-load calculations to calculate the minimum reduction in peak electricity demand.
The project cannot participate because an energy model was not completed.
The project team can only participate in a manual demand response program.
The project can participate only if on-site electricity generation is available.
What is the minimum contract length required for Demand Response credit?
Two years with auto-renewal unless ninety days' notice is given
One year with the intention of multiyear renewal
Ten years
Five years
Which of the following is NOT eligible for EA Credit Renewable Energy Production?
Active solar thermal
Passive solar architectural features
Tidal system
Bio-fuel
A new suburban retail project will be implemented using a bio-fuel based electrical system. What bio-fuel is excluded from eligibility for EA Credit Renewable Energy Production?
Forestry biomass waste, other than mill residue
Landfill gas
Manure
Corn
A Core and Shell project in Nevada has a wind energy system added to the roof. According to the US DOE's Commercial Buildings Energy Consumption Survey the estimated electricity the project will use will be 1,000,000 kWh/year. Energy costs in the area are $0.08/kWh. What must the wind system produce to earn 3 points for EA Credit Renewable Energy Production?
$1,000 of energy
$4,000 of energy
50,000 kWh of energy
10,000 kWh of energy
A school project has used on-site renewable energy to replace 15% of the building's average energy cost in comparison to the US DOE's Commercial Buildings Energy Consumption Survey database. The school gets 6% of its energy from photovoltaic panels and 9% from a wind system. How many total points can the school earn for this design?
0
1
2
3
4
A project has a 150-kW PV array that will produce 210,458 kWh of electricity per year after transmission and conversion losses. The virtual rate for the electricity generated is $0.092/kWh. The total building annual energy cost as determined from CBECS is $60,129. What percentage of renewable energy will the system produce?
28%
29%
32%
55%
A new office building with a retail component on the first floor totals 254,000 sf. The building requires a median electrical intensity of 11.7kWh/sf/year. What amount of green power purchased by the operating company will qualify the project for EA Credit Green Power and Carbon Offsets?
7,429,500 kWh
2,971,800 kWh
2,080,260 kWh
4,160,520 kWh
The use of the CBECS database may be needed in the following credits:
EA Credit Green Power and Carbon Offsets and EA Credit Renewable Energy Production
EA Credit Renewable Energy Production and EA Credit Demand Response
EA Credit Demand Response and EA Credit Green Power and Carbon Offsets
EA Credit Enhanced Refrigerant Management and EA Credit Green Power and Carbon Offsets
The owner of a new oceanfront museum project wants to use 50% green power, but the direct purchase of Green-e certified power is not available through the local utilities. An energy model was not done for EA Credit Optimize Energy Performance. What information is not required when determining the quantity of RECs to purchase?
Building type
Total building area (sq. ft.)
Median electrical intensity (kWh/sf-yr)
Emissions criteria for the non-renewable portion of the electricity
A project team is planning to use green power obtained from a separate campus facility through an internal campus agreement. The project team did not use an energy model for EA Credit Optimize Energy Performance. No other buildings on campus obtain power from this facility. What is true about the project's ability to earn EA Credit Green Power and Carbon Offsets?
The project building can share the credit with other buildings on campus
The project will be required to purchase RECs
At least 70% of the power supplied must be certified, along with a 2-year contract
The campus facility that supplies the power does not have to be Green-e Certified
A manufacturing plant will install solar car ports in the parking lot to generate onsite electricity. Skylights will be placed every 40 ft. in the roof of the building for daylighting. The project team is discussing strategies for EA Credit Green Power and Carbon Offsets. What would help achieve this credit?
The solar carports
Energy reductions from the building baseline
Renewable power from a third party provider on contract
The skylights
A project with a 30,000 sq. ft. building footprint has been designed with a 100% green roof. The project team is revising the design to decrease the size of the green roof by 5,000 sq. ft. and add 5,000 sq. ft. of photovoltaic cells to the roof. What credits will this design change NOT affect?
EA Credit Renewable Energy Production
SS Credit Rainwater Management
EA Prerequisite, Fundamental Commissioning and Verificationv
SS Credit Heat Island Reduction
In which unit is green power measured?
MWh
Metric tons of CO2 equivalent
RECs
Actual rate plus demand
An office project in a cold climate burns natural gas on-site for heating and uses electricity from the grid in warmer seasons for cooling. Which option can be used to mitigate both Scope 1 and Scope 2 emissions?
RECs
Green Power
Carbon offsets
RECs or Green Power
Qualified resources for EA Credit Green Power must have come online since which date?
December 31, 2000
January 1st, 2005
November 15th, 2009
January 1st, 2010
Which minimum contract length is required for Green Power and Carbon Offsets?
Ten (10) months
One (1) year with the intent to renew for multiple years
Two (2) years
Five (5) years
A project team is working with an owner to determine what the cost of Carbon Offsets will be for a project building that is almost complete and ready for occupancy. For the credit, how is the percentage of offsets calculated?
Based on the cost of energy consumed by the design case energy model, including any renewable energy production
Based on the metric tons of CO2e of the energy that generates Scope 1 emissions
Based on the metric tons of CO2e that generate Scope 1 and Scope 2 emissions
Based on the cost energy consumed by the design case energy model, excluding any renewable energy production
How can a project earn two points for EA Credit Green Power and Carbon Offsets?
Consume zero net energy on an annual basis
Purchase a combination of green power and carbon offsets equal to 50% of the project's energy
Purchase carbon offsets equal to 50% of the project's annual energy cost
Purchase green power equal to 50% of the project's Scope 2 electricity use
