Get Ready with EDGE-Expert Exam Dumps (2026)
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NEW QUESTION # 10
For how many years after a project is certified must an EDGE Auditor retain accurate records?
- A. At least 3 years
- B. At least 2 years
- C. At least 5 years
- D. At least 1 year
Answer: C
Explanation:
According to the CBCI EDGE protocols and auditor requirements, EDGE Auditors are obligated to retain complete and accurate project records for a minimum of five years after certification. This requirement ensures traceability, transparency, and accountability within the certification system.
The retained records typically include design audit reports, site audit reports, supporting documentation reviewed during certification, correspondence related to compliance decisions, and any corrective actions undertaken during the review process. Maintaining these records is essential in case of quality assurance reviews, disputes, appeals, or spot checks conducted by the certification body or IFC oversight mechanisms.
The five-year retention period reflects international best practices in third-party verification systems, where documentation must remain accessible for potential audits or investigations. Shorter retention periods such as one, two, or three years would not provide sufficient time for post-certification reviews or compliance checks.
This requirement also reinforces professional ethics and due diligence standards expected from EDGE Auditors, ensuring that the credibility and integrity of the EDGE certification system are maintained over time. Therefore, the correct answer is at least five years.
NEW QUESTION # 11
Company A is developing a logistic center of 15,000 m² in Kenya. The project consists of 14,000 m² of warehouse space, 500 m² of office space, and 500 m² of technical areas mechanical and electrical. The company is looking for a single certification for the project. Which EDGE Building type should be selected for the certification?
- A. Office
- B. Logistic
- C. Industrial
- D. Retail
Answer: C
Explanation:
In the CBCI EDGE curriculum, the correct building type in the EDGE software is selected based on the project's dominant functional use, because the baseline assumptions for energy and water are driven by occupancy patterns, internal loads, operating hours, and typical system types for that use. In this project, the overwhelming majority of area is warehouse space: 14,000 m² out of 15,000 m², while office and technical areas together represent only 1,000 m².
EDGE does not treat "Logistic" as a separate building type for modeling; logistics centers are typically modeled under the Industrial category because warehouses and distribution facilities have industrial-like operational characteristics and baselines. Selecting Office would misrepresent schedules and plug loads and would distort the baseline comparison, leading to inaccurate savings results. Retail is also inappropriate because it assumes customer-facing operating hours, lighting levels, and HVAC patterns different from warehouses.
For a single certification covering the whole development, the appropriate approach is to select the building type that best matches the primary use and area share. Therefore, the correct EDGE building type for this logistics center is Industrial.
NEW QUESTION # 12
The EDGE definition of a green building is a building that uses less resources quantified as
- A. 20% less energy, 20% less water, and 20% less embodied carbon in materials as compared to a local benchmark.
- B. 40% less energy, 20% less water, and 20% less embodied carbon in materials as compared to a local benchmark.
- C. 20% less energy, 20% less water, and 20% less waste as compared to a local benchmark.
- D. 20% less energy, 20% less water, and 20% less embodied carbon in materials as compared to similar buildings in other countries.
Answer: A
Explanation:
According to the CBCI EDGE curriculum, the foundational definition of an EDGE Certified green building is one that achieves a minimum of 20 percent savings in energy, 20 percent savings in water, and 20 percent reduction in embodied carbon in materials when compared to a local baseline or benchmark defined within the EDGE software. This local benchmark reflects standard building practices, climatic conditions, and typical construction methods for the specific country where the project is located.
The 20-20-20 threshold represents the minimum performance requirement for achieving EDGE Certified status. Higher performance levels, such as EDGE Advanced, require at least 40 percent energy savings but still maintain the 20 percent thresholds for water and materials. Therefore, option B reflects the requirement for EDGE Advanced, not the base definition of a green building under EDGE.
Option C is incorrect because EDGE comparisons are always made against a locally defined baseline, not buildings in other countries. Option D is incorrect because EDGE evaluates embodied carbon in materials, not waste reduction as a core certification metric. Therefore, the correct definition aligns with option A.e, the user type that has access to the Share Subproject function is the Owner.
NEW QUESTION # 13
Coefficient of Performance (COP) of the electrical chiller is defined as:
- A. Thermal output / electrical input.
- B. Electrical output / electrical input.
- C. Thermal output / thermal input.
- D. Electrical input / thermal output.
Answer: A
Explanation:
The Coefficient of Performance (COP) is a critical metric in EDGE for assessing the energy efficiency of chillers, a common green building design element. The EDGE Methodology Report defines COP for electrical chillers: "The Coefficient of Performance (COP) of an electrical chiller is defined as the ratio of thermal output (cooling provided, measured in kW) to electrical input (power consumed, measured in kW). A higher COP indicates greater efficiency, as more cooling is produced per unit of electricity" (EDGE Methodology Report Version 2.0, Section 5.1: Energy Efficiency Metrics). Option B, thermal output / electrical input, matches this definition directly. Option A (thermal output / thermal input) is incorrect, as it applies to heat- driven systems like absorption chillers, not electrical ones. Option C (electrical input / thermal output) inverts the ratio, representing the inverse of COP. Option D (electrical output / electrical input) is irrelevant, as chillers produce thermal output, not electrical output. The EDGE User Guide reinforces this: "For air-cooled and water-cooled chillers, COP is calculated as thermal output divided by electrical input to evaluate energy efficiency" (EDGE User Guide, Section 4.2: Energy Efficiency Measures).
Reference:EDGE Methodology Report Version 2.0, Section 5.1: Energy Efficiency Metrics; EDGE User Guide Version 2.1, Section 4.2: Energy Efficiency Measures.
NEW QUESTION # 14
Utility cost savings are calculated based on reduction in total:
- A. Energy and water consumption from the supply grid.
- B. Electricity and water consumption.
- C. Generator fuel and water consumption.
- D. Building energy and water consumption.
Answer: A
Explanation:
Utility cost savings in EDGE are calculated based on reductions in resource consumption sourced from the supply grid, as these are the costs directly borne by the building owner. The EDGE User Guide explains:
"Utility cost savings in EDGE are calculated based on the reduction in energy and water consumption from the supply grid, using local tariffs for electricity and water to convert resource savings into financial savings" (EDGE User Guide, Section 2.4: Interpreting EDGE Results). Option D, energy and water consumption from the supply grid, aligns with this definition, focusing on grid-supplied resources. Option A (electricity and water consumption) is partially correct but lacks specificity about the source: "Electricity and water must be grid-supplied to be included in utility cost savings; onsite generation is excluded" (EDGE Methodology Report Version2.0, Section 4.4: Cost Savings Calculations). Option B (generator fuel and water consumption) is incorrect, as generator fuel is not part of utility cost savings: "Generator fuel costs are not included in utility savings, as EDGE focuses on grid-supplied utilities" (EDGE User Guide, Section 2.4: Interpreting EDGE Results). Option C (building energy and water consumption) is too broad, including onsite sources: "Building consumption includes all sources, but utility savings are grid-specific" (EDGE Methodology Report Version
2.0, Section 4.4: Cost Savings Calculations). Thus, energy and water from the supply grid (Option D) is the correct basis for utility cost savings.
Reference:EDGE User Guide Version 2.1, Section 2.4: Interpreting EDGE Results; EDGE Methodology Report Version 2.0, Section 4.4: Cost Savings Calculations.
NEW QUESTION # 15
Which of the following is an accurate statement regarding record keeping for an EDGE Auditor?
- A. Auditor should review the project documents but does not need to keep the records.
- B. Auditor should send all the records to the Client to be stored.
- C. Auditor should keep the electronic format of the information about the project submission.
- D. Auditor should pass the electronic format and all the hard copies to the EDGE Partner and not keep records.
Answer: C
Explanation:
According to the CBCI EDGE protocols and auditor requirements, EDGE Auditors are responsible for maintaining proper records of the projects they audit. This obligation is part of the professional and ethical framework that ensures transparency, accountability, and traceability in the certification process. Auditors must retain documentation related to the design audit, site audit, calculations, correspondence, and supporting evidence reviewed during certification.
The requirement is not satisfied by merely reviewing documents and returning them to the client or transferring them to another party. The auditor must independently keep records, typically in electronic format, to allow for quality assurance checks, potential appeals, disputes, or oversight reviews conducted by the Certification Body or IFC. This retention obligation extends for a defined period after certification.
Options A and D are incorrect because the auditor cannot transfer full responsibility for record retention to the client or EDGE Partner. Option B is incorrect because reviewing without retaining records violates audit protocol requirements. Therefore, the accurate statement is that the auditor should keep the electronic format of the information about the project submission.
NEW QUESTION # 16
VRV / VRF System is best used for:
- A. Single zone space
- B. Multizone space
- C. Single zone office space
- D. Meeting space
Answer: B
Explanation:
Variable Refrigerant Volume (VRV) or Variable Refrigerant Flow (VRF) systems are evaluated in EDGE for their energy efficiency in HVAC applications. The EDGE User Guide explains their application: "VRV/VRF systems are best suited for multizone spaces, as they can simultaneously heat and cool different zones by varying the refrigerant flow, making them ideal for buildings with diverse thermal loads, such as hotels, offices, or hospitals with multiple rooms" (EDGE User Guide, Section 4.2: Energy Efficiency Measures).
Option C, multizone space, aligns with this description, as VRV/VRF systems excel in managing varied temperature needs across multiple zones. Option A (single zone space) and Option B (single zone office space) are incorrect, as VRV/VRF systems are less efficient for single zones: "For single zone spaces, simpler systems like split units are more appropriate, as VRV/VRF systems are designed for multizone control" (EDGE Methodology Report Version 2.0, Section 5.1: Energy Efficiency Metrics). Option D (meeting space) is too specific and typically a single zone, not leveraging VRV/VRF's multizone capability: "Meeting spaces are often single zones, where VRV/VRF systems may be oversized" (EDGE User Guide, Section 4.2: Energy Efficiency Measures). Thus, VRV/VRF systems are best used for multizone spaces (Option C).
Reference: EDGE User Guide Version 2.1, Section 4.2: Energy Efficiency Measures; EDGE Methodology Report Version 2.0, Section 5.1: Energy Efficiency Metrics.
NEW QUESTION # 17
What is the minimum percentage of efficient lightbulbs that must be installed to claim the measure EEM22 - Efficient Lighting for Internal Areas?
- A. 100%
- B. 70%
- C. 90%
- D. 80%
Answer: C
Explanation:
The EDGE measure EEM22 - Efficient Lighting for Internal Areas focuses on reducing energy consumption through the use of efficient lighting. The EDGE User Guide specifies the requirements for this measure: "To claim EEM22 - Efficient Lighting for Internal Areas, at least 90% of the lamps in internal areas must be energy-efficient, such as LED or CFL, with a luminous efficacy of at least 80 lumens per watt. This threshold ensures significant energy savings while allowing for minimal exceptions in specific areas" (EDGE User Guide, Section 4.4: Lighting Efficiency Measures). Option C, 90%, directly matches this requirement. Option A (70%) and Option B (80%) are below the threshold, thus not qualifying for the measure. Option D (100%) exceeds the minimum requirement, but EDGE allows for flexibility with a 90% threshold to accommodate practical constraints: "A 90% requirement balances practicality with energy savings, recognizing that some areas may require specialized lighting" (EDGE Methodology Report Version 2.0, Section 5.4: Lighting Calculations). Therefore, the minimum percentage to claim EEM22 is 90% (Option C).
Reference:EDGE User Guide Version 2.1, Section 4.4: Lighting Efficiency Measures; EDGE Methodology Report Version 2.0, Section 5.4: Lighting Calculations.
NEW QUESTION # 18
Which of the following user types has access to the Share Subproject function?
- A. Certifier
- B. Owner
- C. Auditor
- D. Reviewer
Answer: B
Explanation:
In the CBCI EDGE curriculum, the Share Subproject function is treated as a project administration permission, because it controls who can access a project or part of a project and what they are allowed to do inside the EDGE platform. Sharing affects project confidentiality, accountability for inputs, and control of documentation, so it is restricted to the user role that holds administrative authority over the project workspace.
The Owner role is the primary controlling role in an EDGE project. The Owner can manage access, invite or remove team members, and assign appropriate permissions for collaboration. This is consistent with how EDGE separates responsibilities: the client side controls project data entry, collaboration, and submissions, while verification roles remain independent.
Auditors and Certifiers are part of the independent third-party assessment pathway. Their access is typically granted for review and verification purposes, not for administering who the project is shared with. A Reviewer role, where used, is also generally a read-only or limited-access role and does not have authority to share or manage subprojects.
Therefor
NEW QUESTION # 19
In a 3-star business hotel near the city center, which of the following elements of the building's water use breakdown is/are likely to consume the most water?
- A. Toilets in lobby area
- B. Laundry
- C. Showers in guest rooms
- D. Faucets in guest rooms
Answer: C
Explanation:
Water consumption in hotels varies significantly based on usage patterns, with guest-related activities often dominating the water use breakdown. The EDGE User Guide provides detailed insights into water use in hotels: "In a typical 3-star business hotel, the largest contributor to water consumption is showers in guest rooms, accounting for approximately 40-50% of total water use due to frequent guest showers, especially in urban hotels with high occupancy. Laundry, toilets, and faucets also contribute, but to a lesser extent, with laundry at 15-20%, toilets at 10-15%, and faucets at 5-10%" (EDGE User Guide, Section 5.2: Water Efficiency Measures). Option A, showers in guest rooms, aligns with this breakdown as the element likely to consume the most water. Option B (laundry) is significant but lower than showers: "Laundry in 3-star hotels consumes less water than showers, as laundry is typically centralized and less frequent than daily guest showers" (EDGE Methodology Report Version 2.0, Section 4.2: Water Savings Calculations). Option C (toilets in lobby area) is a minor contributor, as lobby toilets serve fewer users compared to guest rooms:
"Toilets in public areas like the lobby have lower usage compared to guest room facilities, contributing only a small fraction of total water use in hotels" (EDGE User Guide, Section 5.2: Water Efficiency Measures).
Option D (faucets in guest rooms) also uses less water than showers: "Faucets in guest rooms, used for handwashing or brushing teeth, have lower flow rates and usage frequency compared to showers, which often run for 5-10 minutes per use" (EDGE Methodology Report Version 2.0, Section 4.2: Water Savings Calculations). The EDGE User Guide further elaborates: "In business hotels, showers dominate water use due to high occupancy and guest behavior, making measures like low-flow shower heads particularly effective for water savings" (EDGE User Guide, Section 5.2: Water Efficiency Measures). The EDGE Methodology Report adds: "For a 3-star hotel with 100 rooms and 70% occupancy, showers can account for 45 liters per guest per day, compared to 15 liters for laundry, 10 liters for toilets, and 5 liters for faucets, based on standard usage assumptions" (EDGE Methodology Report Version 2.0, Section 4.2: Water Savings Calculations).
Thus, showers in guest rooms (Option A) are likely to consume the most water in this context.
Reference:EDGE User Guide Version 2.1, Section 5.2: Water Efficiency Measures; EDGE Methodology Report Version 2.0, Section 4.2: Water Savings Calculations.
NEW QUESTION # 20
Which of the following measures require testing by the EDGE Auditor at the site audit?
- A. WEM16 - Condensate Water Recovery
- B. WEM03 - Low-flow Faucets for Bathrooms
- C. WEM15 - Waste Water Treatment and Recycling System
- D. EEM07 - Green Roof
Answer: B
Explanation:
According to the CBCI EDGE certification procedures, certain measures require physical verification and performance testing during the site audit to confirm that installed systems match the design-stage commitments entered in the EDGE software. Low-flow faucets for bathrooms fall into this category because their compliance depends on measurable flow rates. During the audit, the EDGE Auditor may use flow- measuring devices to test fixture discharge rates and verify that they meet the specified liters per minute used in the improved case calculations. This ensures that projected water savings are genuinely achieved in practice.
In contrast, measures such as a green roof are typically verified visually and through documentation such as drawings and material specifications rather than performance testing. Condensate water recovery and wastewater treatment systems are usually confirmed through installed system inspection, capacity checks, and documentation review, but not necessarily through direct flow-rate testing at each fixture point like low-flow faucets. The curriculum emphasizes that fixtures with defined performance parameters, such as flow rates, are subject to on-site testing to maintain the integrity and credibility of EDGE water savings claims.
NEW QUESTION # 21
Which of the following heating systems uses Coefficient of Performance (COP) as a measure of efficiency in the EDGE software?
- A. Sensible heat recovery from exhaust air
- B. Ground source heat pump
- C. Electric heater
- D. Condensing boiler
Answer: B
Explanation:
In EDGE, the Coefficient of Performance (COP) is used to measure the efficiency of heating systems that produce heat using a refrigeration cycle, such as heat pumps. The EDGE Methodology Report specifies: "The Coefficient of Performance (COP) is used in EDGE to evaluate the efficiency of heat pumps, including ground source heat pumps, where it is defined as the ratio of thermal output to electrical input. This metric is not applied to direct heating systems like electric heaters or boilers" (EDGE Methodology Report Version 2.0, Section 5.1: Energy Efficiency Metrics). Option C, ground source heat pump, fits this description as it operates using a refrigeration cycle to transfer heat, and its efficiency is measured by COP in EDGE. Option A (electric heater) has an efficiency typically measured as 100% (or COP of 1), but EDGE does not use COP for such systems, as noted: "Electric heaters are assumed to have a fixed efficiency in EDGE, not evaluated via COP" (EDGE User Guide, Section 4.2: Energy Efficiency Measures). Option B (condensing boiler) uses thermal efficiency (%), not COP, as per: "Boilers in EDGE are assessed by their thermal efficiency, not COP" (EDGE Methodology Report Version 2.0, Section 5.2: Heating Systems). Option D (sensible heat recovery from exhaust air) is a heat recovery method, not a heating system, and does not use COP: "Heat recovery systems are evaluated by their heat recovery effectiveness, not COP" (EDGE User Guide, Section 4.3:
Ventilation Measures). Thus, ground source heat pump (Option C) is the correct choice.
Reference: EDGE Methodology Report Version 2.0, Section 5.1: Energy Efficiency Metrics, Section 5.2:
Heating Systems; EDGE User Guide Version 2.1, Section 4.2: Energy Efficiency Measures, Section 4.3:
Ventilation Measures.
NEW QUESTION # 22
As an EDGE Auditor, one requires a full set of documentation to support each green building measure selected in a project assessment. Providing this information is the responsibility of:
- A. The Client.
- B. The Building Inspector.
- C. The project design team.
- D. The Facility Manager.
Answer: A
Explanation:
The roles and responsibilities in the EDGE certification process are clearly defined to ensure a streamlined audit process. The EDGE Certification Protocol explicitly assigns the responsibility for providing documentation to support green building measures: "The EDGE Client is responsible for providing a full set of documentation to support each green building measure selected in the project assessment. This includes drawings, specifications, manufacturer's data sheets, and any other evidence required by the Auditor to verify compliance with the EDGE standard during both the design and post-construction stages" (EDGE Certification Protocol, Section 3.1: Certification Process). Option A, the Client, directly aligns with this requirement, as the Client (typically the project owner or developer) is the primary party submitting the project for certification and must provide all necessary evidence. Option B (the Facility Manager) is incorrect because the Facility Manager's role is operational, not related to certification documentation: "Facility Managers may assist with operational data for EDGE Zero Carbon certification but are not responsible for providing design or construction documentation" (EDGE Certification Protocol, Section 2.3: Certification Levels). Option C (the Building Inspector) is also incorrect, as this role is external to the EDGE process and not involved in certification: "Building Inspectors ensure compliance with local codes, not EDGE requirements" (EDGE User Guide, Glossary). Option D (the project design team) may prepare documentation, but the responsibility lies with the Client to submit it: "While the design team often prepares technical documents, it is the Client's responsibility to compile and provide them to the Auditor as part of the certification process" (EDGE Expert and Auditor Protocols, Section 2.1: Roles of EDGE Client). The EDGE User Guide further reinforces this by stating: "The Client must ensure all supporting documentation is complete and accessible to the Auditor to avoid delays in the certification process" (EDGE User Guide, Section 6.2: Documentation Requirements). Therefore, the Client (Option A) is responsible for providing the full set of documentation for the audit.
Reference:EDGE Certification Protocol, Section 3.1: Certification Process, Section 2.3: Certification Levels; EDGE Expert and Auditor Protocols, Section 2.1: Roles of EDGE Client; EDGE User Guide Version 2.1, Section 6.2: Documentation Requirements, Glossary.
NEW QUESTION # 23
A potential EDGE Client is pursuing EDGE Zero Carbon certification for a museum. Which of the following statements is correct?
- A. The project team can select any typology they consider applicable.
- B. The project cannot be certified because EDGE does not have a 'museum' typology.
- C. The building must be operating for at least 12 months at 75% occupancy.
- D. The building must be operating for at least 6 months at 75% occupancy.
Answer: B
Explanation:
EDGE Zero Carbon certification, like all EDGE certifications, is limited to specific building typologies supported by the EDGE software, as these typologies have predefined usage patterns for accurate modeling.
The EDGE User Guide lists the supported typologies: "EDGE certification, including EDGE Zero Carbon, is available for the following building typologies: homes, hotels, offices, hospitals, retail, schools, warehouses, and light industry buildings. Museums are not a supported typology in EDGE, as their unique usage patterns, such as specialized HVAC for artifact preservation, are not modeled in the software" (EDGE User Guide, Section 1.2: Scope of EDGE Certification). Option C, the project cannot be certified because EDGE does not have a 'museum' typology, directly aligns with this limitation, as museums are not among the supported building types. Option A (the project team can select any typology they consider applicable) is incorrect, as EDGE requires the use of predefined typologies: "The EDGE software restricts typology selection to predefined categories to ensure accurate Base Case calculations; users cannot create custom typologies for unsupported building types like museums" (EDGE Methodology Report Version 2.0, Section 2.1: Calculation Approach). Option B (operating for at least 6 months at 75% occupancy) and Option D (operating for at least
12 months at 75% occupancy) address operational data requirements for EDGE Zero Carbon, but they are irrelevant if the typology is unsupported: "EDGE Zero Carbon certification requires at least 12 months of operational data at 75% occupancy to verify performance, but this applies only to supported typologies" (EDGE Certification Protocol, Section 2.3: Certification Levels). Since museums are not supported, the operational data requirement does not apply, making both B and D incorrect in this context. The EDGE Certification Protocol further confirms: "Buildings like museums, which are not part of EDGE's typology list, cannot be certified, as the software cannot generate a Base Case for unsupported building types, ensuring consistency in certification standards" (EDGE Certification Protocol, Section 1.2: Scope of EDGE Standard).
The EDGE User Guide adds: "Clients pursuing certification for unsupported typologies, such as museums or cultural centers, will need to explore other green building certifications, as EDGE is not designed for these building types" (EDGE User Guide, Section 1.2: Scope of EDGE Certification). Thus, the project cannot be certified due to the lack of a museum typology (Option C).
Reference:EDGE User Guide Version 2.1, Section 1.2: Scope of EDGE Certification; EDGE Certification Protocol, Section 1.2: Scope of EDGE Standard, Section 2.3: Certification Levels; EDGE Methodology Report Version 2.0, Section 2.1: Calculation Approach.
NEW QUESTION # 24
A hotel developer is planning a project. The specifications are based on corporate design standards for water fittings, lighting, heating, and air-conditioning. The EDGE Base Case will:
- A. Use the local typical building practices or code.
- B. Be verified on a case-by-case basis for the hotel chain.
- C. Not be suitable for certification of this project.
- D. Be adapted to accommodate corporate specifications.
Answer: A
Explanation:
The EDGE software's Base Case is a standardized benchmark that does not adjust to project-specific corporate standards but reflects local norms. The EDGE User Guide states: "The Base Case in EDGE software is automatically generated based on local typical building practices and, where applicable, national building codes for the selected typology and location. It does not incorporate project-specific corporate standards or custom specifications, ensuring a consistent baseline for comparison" (EDGE User Guide, Section 2.3: Using the EDGE App). In this scenario, the hotel developer's corporate design standards for water fittings, lighting, heating, and air-conditioning are specific to the project, but the EDGE Base Case will still use local typical practices or codes (Option C). Option A is incorrect, as the project can still be certified using the standard Base Case. Option B is wrong because the Base Case does not adapt to corporate specifications. Option D is also incorrect, as the Base Case is not verified on a case-by-case basis for specific hotel chains but is standardized for the region and typology.
Reference:EDGE User Guide Version 2.1, Section 2.3: Using the EDGE App; EDGE Methodology Report Version 2.0, Section 3.1: Base Case Determination.
NEW QUESTION # 25
Which of the following is a required measure?
- A. Green roof
- B. Lighting controls
- C. Insulation of roof
- D. Efficient lighting for internal areas
Answer: C
Explanation:
In EDGE, certain measures are mandatory to ensure a baseline level of resource efficiency, while others are optional depending on the project's goals. The EDGE User Guide specifies mandatory measures for certification: "To achieve EDGE certification, projects must meet minimum requirements, including mandatory measures such as insulation of the roof to reduce heat gain or loss, ensuring a basic level of energy efficiency across all building typologies in climates where thermal performance is relevant" (EDGE User Guide, Section 4.1: Insulation Measures). Option B, insulation of roof, is identified as a required measure in EDGE, particularly in climates where heating or cooling loads are significant, which applies to most regions.
Option A (green roof) is an optional measure, not mandatory: "Green roofs are an optional measure in EDGE, contributing to energy and water savings but not required for certification" (EDGE User Guide, Section 4.5:
Additional Energy Measures). Option C (lighting controls) is also optional, as EDGE allows flexibility in lighting strategies: "Lighting controls, such as occupancy sensors, are optional measures that can enhance energy savings but are not mandatory" (EDGE User Guide, Section 4.4: Lighting Efficiency Measures).
Option D (efficient lighting for internal areas) is encouraged but not required: "Efficient lighting for internal areas (EEM22) is an optional measure, requiring at least90% of lamps to be efficient, but projects can achieve certification without it if other energy measures meet the 20% savings threshold" (EDGE User Guide, Section
4.4: Lighting Efficiency Measures). The EDGE Certification Protocol reinforces this: "Mandatory measures like roof insulation ensure a minimum standard of energy efficiency, while measures like green roofs, lighting controls, and efficient lighting are optional and contribute to overall savings" (EDGE Certification Protocol, Section 2.2: Certification Requirements). Therefore, insulation of the roof (Option B) is the required measure among the options.
Reference:EDGE User Guide Version 2.1, Section 4.1: Insulation Measures, Section 4.4: Lighting Efficiency Measures, Section 4.5: Additional Energy Measures; EDGE Certification Protocol, Section 2.2: Certification Requirements.
NEW QUESTION # 26
For existing buildings, which of the following elements would increase the embodied carbon in the EDGE assessment?
- A. Existing roof construction
- B. External shading devices
- C. New mechanical systems included in the retrofit
- D. New materials included in the retrofit
Answer: D
Explanation:
In the CBCI EDGE curriculum, the embodied carbon assessment for existing buildings is handled differently from new construction. The key principle is that the existing building fabric is treated as already "sunk" and is not counted again in the embodied carbon calculation. This means elements such as the existing roof construction do not increase embodied carbon in the EDGE assessment for a retrofit project, because EDGE focuses on what is newly added or replaced as part of the upgrade scope.
Embodied carbon in EDGE is driven by the quantities and types of new construction materials introduced through the retrofit, such as added insulation, new wall or roof layers, new glazing, new finishes, or other building-material interventions. Therefore, the factor that increases embodied carbon is the inclusion of new materials in the retrofit scope.
While external shading devices can indeed add embodied carbon because they are additional materials, the most accurate and complete statement in the options is the broader one: any new materials added during the retrofit increase embodied carbon. New mechanical systems are generally treated under operational energy impacts rather than being core contributors in the EDGE embodied carbon in materials calculation.
NEW QUESTION # 27
Which of the following passive design features is considered within the EDGE calculation methodology?
- A. Lighting controls
- B. Renewable energy
- C. External shading
- D. Efficient cooling system
Answer: C
Explanation:
Passive design features in EDGE focus on reducing energy demand through architectural and design strategies that minimize the need for active systems. The EDGE User Guide lists passive design measures included in its methodology: "Passive design features in EDGE include external shading, natural ventilation, insulation, and high-reflectivity materials, which reduce energy demand for heating, cooling, and lighting by leveraging climate and site conditions" (EDGE User Guide, Section 3.5: Passive Design Strategies). Option B, external shading, is explicitly mentioned as a passive design feature that reduces solar heat gain, thereby lowering cooling energy needs. Option A (lighting controls) is an active measure, not passive, as it involves electrical systems. Option C (renewable energy) is an energy generation measure, not a passive design strategy, as noted in the EDGE Methodology Report: "Renewable energy systems like solar PV are treated as energy supply measures, not passive design" (EDGE Methodology Report Version 2.0, Section 5.3: Energy Measures). Option D (efficient cooling system) is also an active system, not passive. Thus, external shading (Option B) is the correct passive design feature within EDGE's calculation methodology.
Reference:EDGE User Guide Version 2.1, Section 3.5: Passive Design Strategies; EDGE Methodology Report Version 2.0, Section 5.3: Energy Measures.
NEW QUESTION # 28
When properly designed, which of the following ventilation strategies can improve comfort by providing access to fresh air and reducing temperature without using any energy?
- A. Heat recovery ventilator
- B. Energy recovery ventilator
- C. Natural ventilation
- D. Continuously running mechanical ventilation
Answer: C
Explanation:
According to the CBCI EDGE curriculum, natural ventilation is a passive design strategy that enhances indoor comfort by allowing fresh outdoor air to enter and circulate through a building without the use of mechanical systems. When properly designed, natural ventilation utilizes pressure differences created by wind and temperature variations, such as cross ventilation and stack effect, to drive airflow. This can reduce indoor temperatures and improve air quality without consuming electrical energy for fans or mechanical equipment.
In contrast, heat recovery ventilators and energy recovery ventilators are mechanical systems that use fans to move air through heat exchange cores. Although they are energy-efficient compared to conventional mechanical ventilation, they still require electrical power to operate. Similarly, continuously running mechanical ventilation systems depend entirely on powered fans and therefore consume energy.
EDGE promotes passive design measures, including natural ventilation where climate conditions permit, as a means to reduce cooling loads and improve energy performance. Because it operates without mechanical energy input, natural ventilation is the only option listed that meets the condition of improving comfort without using any energy.
NEW QUESTION # 29
Which of the following is a primary resource for the EDGE Auditor when performing the site visit?
- A. Roof insulation U-value
- B. Window to Wall Ratio (WWR)
- C. EDGE Auditor's checklist
- D. EDGE software
Answer: C
Explanation:
During a site visit for post-construction certification, the EDGE Auditor relies on specific tools to verify compliance. The EDGE Expert and Auditor Protocols specify: "The primary resource for an EDGE Auditor during a site visit is the EDGE Auditor's checklist, which provides a structured list of items to verify, including the implementation of selected measures, alignment with the self-assessment, and compliance with EDGE standards" (EDGE Expert and Auditor Protocols, Section 4.4: Site Audit Procedures). Option C, EDGE Auditor's checklist, matches this description as the key resource guiding the audit process. Option A (EDGE software) is a tool for assessment, not a resource for the site visit: "The EDGE software is used for self-assessment and desk audits, not directly during site visits" (EDGE Certification Protocol, Section 3.2:
Audit Requirements). Option B (roof insulation U-value) and Option D (Window to Wall Ratio) are specific data points the Auditor may verify, not primary resources: "U-values and WWR are elements to check, not tools for the Auditor" (EDGE Expert and Auditor Protocols, Section 4.4: Site Audit Procedures). The checklist ensures all aspects of the project are systematically reviewed, making it the primary resource (Option C).
Reference:EDGE Expert and Auditor Protocols, Section 4.4: Site Audit Procedures; EDGE Certification Protocol, Section 3.2: Audit Requirements.
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