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57 Cards in this Set
- Front
- Back
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How many points/credits can you earn from Energy and Atmosphere?
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17
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How many pre-requisites are there in Energy and Atmosphere?
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3
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What is EA pre-requisite 1?
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Fundamental Commissioning of the Building Energy Systems.
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What is EA pre-requisite 2?
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Minimum Energy Performance
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What is EA pre-requisite 3?
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Fundamental Refrigerant Management
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What is EA Credit 1?
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Optimize Energy Performance
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What is EA Credit 2?
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On-Site renewable energy
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What is EA Credit 3?
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Enhance Commissioning
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What is EA Credit 4?
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Enhanced Refrigerant Management
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What is EA Credit 5?
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Measurement & Verification
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What is EA Credit 6?
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Green Power
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What is the intent of EA pre-req 1: Fundamental Commissioning of the Building Energy Systems?
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Verify that the building's energy related systems are installed, calibrated and perform according to the owner's requirements, basis of design, and construction documents.
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What are the benefits of commisioning?
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Benefits of commissioning include reduced energy use, lower operating costs, reduced contractor callback, better building documentation, improved occupant productivity, and verification that the systems perform in accordance with the owner's project requirements.
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What is the 1st step in the requirements for EA pre-requisite 1: Fundamental Commissioning of the building Energy Systems?
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Designate an individual as the Commissioning Authority to lead review and oversee the completion of the commissioning process activities. The CxA shall have documented commissioning authority experience in at least two building projects, individual serving as the CxA shall be independent of the project's design and construction mgmt, though they may be employees of the firms providing those services. The CxA may be a qualified employee or consultant of the owner. The CxA shall report results, findings and recommendations directly to the owner. For projects smaller than 50,000 sf, the CxA may include qualified persons on the design or construction teams who have the required experience.
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What is the 2-6th step in the requirements for EA pre-requisite 1: Fundamental Commissioning of the building Energy Systems?
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The owner shall document the Owner's Project Requirements (OPR). The design team shall develope the basis of design (BOD). The CxA shall review these documents for clarity and completeness. The owner and design team shall be responsible for updates to their respective documents. Develop and incorporate commissioning requirements into the construction documents. Develop and implement a commissioning plan. Verify the installation and performacnce of the systems to be commissioned. Compelte a summary commissioning report.
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In EA pre-req 1, describe the commissioning process.
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Commissioning process activities sahll be completed for the following energy-related systems, ata minimum. HVAC and refrigeration sytems and associated controls, lighting and daylighting controls, domestic hot water systems, renewable energy systems.
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EA pre-req 1 potential technologies & strageties part 1.
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In order to meet this pre-req, owners are required to use qualified individuals to lead the commissioining process. Qualified individuals are identified as those who posess a high leve lof experience in the following areas: Energy systems design, installation and operation. Commissioning planning and process mgmt. Hands-on field experience with energy systems performance, interaction, start-up, balancing, testing, troubleshooting, operation, and maintenance procedures. Energy systems automation control knowledge.
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EA pre-req 1 potential technologies & strageties part 2.
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Owners are encouraged to consider including water-using systems, building envelope systems, and other systems in the scope of the commissioning plan as appropriate. The building envelope is an important component of a facility which impacts energy consumption, occupant comfort and indoor air quality. While it is not required to be commissioned by LEED, an owner can receive significatn financial savings and reduced risk of poor indoor air quality by including building envelope commissioning.
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EA pre-req 1 potential technologies & strageties part 3.
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The reference guid provides guidance on the rigor expected for this prerequiste for the following: Owner's Project Requirements, Basis of Design, Commissioning Plan, Commissioning Specification, Performance Verification Documentation, Commissioning Report.
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What is the intent of EA pre-req 2: Minimum Energy Performance?
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Establish the minimum level of energy efficiency for the proposed building and systems.
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What are the requirements of EA pre-req 2: Minimum Energy Performance?
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Design the building project to comply with both the mandatory provisions (Sections 5.4,6.4,7.5, 8.4, 9.4, and 10.4) of ASHRAE?IESNA standard 90.1-2004 and the prescriptive requirements (Sections 5.5,6.5,7.5, and 9.5) or performacne requirements (Section 11) of ASHRA/IESNA Standard 90.1-2004
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What are the potential technologies & strategies of EA pre-req 2: Minimum Energy Performance?
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Design the building envelope, HVAC, lighting, and other systems to maximize energy performacne. The ASHRAE 90.1-2004 User's Manual contains worksheets that can be used to document compliance with this pre-req. For projects pursuing points under EA Credit 1, the computer simulation model may be used to confirm satisfaction of this prerequisite.
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What is the intent of EA Pre-requisite 3- Fundamental Refrigerant Management?
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reduce onzone depletion
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What are the requirements of EA Pre-Req 3: Fundamental Refrigerant Management?
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Zero us of CFC-based refigerante in new base building HVAC&R systems. When reusing existing base Building HVAC equipment, complete a comprehensive CFC phase-out conversion prior to project completion. Phas-out plans extending beyond the project completion date will be considered on their merits. Small HVAC units <.5lbs of refrigerant are not considered part of the base building system and are not subject to the requirements of this credit.
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What are the potential technologies & strategies for EA pre-req 3: Fundamental Refrigerant Management.
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When reusing existing HVAC systems, conduct an inventory to identify equipment that uses CFC refrigerants and provide a replacement schedule for these refrigerants. For new buildings, specify new HVAC equipment in the base building that uses no CFC refrigerants.
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What is the intent of EA Credit 1: Optimize Energy Performance?
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Achieve increasing levels of nergy performance above the baseline in the prereuisite standard to reduce environmental and economic impascts associated with excessive energy use.
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What are some special requirements about EA credit 1: Optimize Energy Performance?
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New construction must get at least 2 points (14% minimum energy cost savings)ONly projects registered prior to June 26,2007 may pursue 1 point under EAc1.
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How many points can you acheive under EA credit 1: Optimize Energy Performance?
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10 max Energy analysis done for the building performance rating method must include ALL of the energy costs within and associated with the building project.
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In order to get EA credit 1: Optimize Energy Performance you must do what?
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Comply with the mandatory provisions in ASHRAE/IESNA standard 90.1-2004. It must include all the energy costs within and associated with the building project and must be ocompared against a baseline building that complies with appendix G to standard 90.1-2004.
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What are the requirements for EA credit 1: Optimize Energy Performance
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There are a lot, look at the pook pg 175.
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How many options are available for EA credit 1: Optimize Energy Performance?
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4 total options. Option one yields 1-10pt, option two yields 4 pts, option three yields 2-5pts, option 4 offers 1 pt. New projects CAN NOT use option 4.
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What is so special about Option three in EA credit 1: Optimize Energy Performance.
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3 points are availabe for office, school, public assembly, retail projects under 100,000 sf that compy with sectoins 1 and 2 of the core performance guide. 2 pts are available for all other project types under 100,000 sf except health care, warehouse, or laboratory projects, that implement the basic requireemtns of the core prerformance guide.
ADDITONAL 2 POINTS are available under option 3 in which projecs implement performance strategies listed in section three, three strategies will yield 1 pt. Any strategies are apllicable EXCEPT 3.1 cool roofs, 3.8 night venting, 3.13 additional commissioning. |
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What are the potential technologies & strategies for EA credit 1: Optimize Energy Performance?
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Dsign the building envelope and systems to maximize energy performance. Use a computer simulation model to assess the energy performance and identify the most cost-effective energy efficiency measures. Quantify energy performance as compared to a baseline building.
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What is the intent of EA Credit 2: On-Site Renewable Energy?
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Encourage and recognize increasing levels of on-site renewable energy self-supply in order to reduce environmental and economic impacts associated with fossil fuel energy use.
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How many points can you acheive rom EA Credit 2: On-Site Renewable Energy?
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1-3 pts
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What are the requirements for EA Credit 2: On-Site Renewable Energy?
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Use on-site renewable energy systems to offset building energy cost. Calculate project performance by expressing the energy produced by the renewable systems as a perscentage of the building annual energy cost and using the table belwo to determine the nuimber of points achieved.
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How do you determine the amount of points you will receive for renewable energy under EA Credit 2: On-site renewable energy?
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Use the building annual energy cost calculated in EA credit 1 or use the department of Energy (DOE) commercial buildings energy consumption survey (CBECS) database to determine the estimated electricity use. 2.5% renewable = 1pt, 7.5% renewable = 2, 12.5% renewable = 3.
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What are the potential technologies and strategies for EA Credit 2: On-site renewable energy?
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Asses the project for non-polluting and renewable energy potential including solar, wind, geothermal, low-impact hydro, biomass and bio-gas strategies. When applying these strategies, take advantage of net metering with the local utility.
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What is the intent of EA credit 3: Enhanced comissioning?
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Begin the commissioning process early during the design process and execute additional activities after systems performance verification is completed.
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What are the requirements for EA Credit 3: Enhanced Commissioning?
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Ther is a lot. Look at pg 211. Implement, or have a contract in place to implement, the following additional commissioning process activities in addition to the requirements of EA pre-req 1 and in accordance with this reference guide:
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What are the potential technologies & strategies for EA credit 3: Enhanced Commissioning?
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Although it is preferable that the CxA be contracted by the owner, for the enhanced commissioning credit, the CxA may also be contracted through the design firms or construction management firms not holding construction contracts. The reference guide provides detailed guidance on the rigor expected fro following process activities: commissioning design review, commissioning submittal review, systems manual.
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What is the intent of EA credit 4 Enhanced Refrigerant Management?
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Reduce ozone depletion and support early compliance with the Montreal Protocol while minimizing direct contributions to global warming.
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What are the requirements for EA credit 4: Ehanced Refrigerant Management?
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Do not use refrigerants or select refrigerants and HVAC&R that minimize or eliminate the emission of compounds that contribute to ozone depletion and global warming. Look at formula on pg 217.
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What does LCODP stand for?
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Lifecycle Ozone Depletion Potential
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what does LCGWP stand for?
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Lifecycle Direct Global Warming Potential
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What does GWPr stand for?
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Global Warming Potential of Refrigerant
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What does ODPr stand for?
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Ozone Depletion Potential of Refrigerant.
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What does Mr stand for?
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End-of-life Refrigerant Loss
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What does Rc stand for?
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Refrigerant charge
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What does Life stand for?
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Equipment life
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What are the potential technologies & strategies for EA credit 4: Enhanced refrigerant management?
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Design and operate the facility without mechanical cooling and refrigeration equipment. Where mechanical cooling is used, utilize base building HVAC and refrigeration systems for the refrigeration cycle that minimize direct impact on ozone depletion and global warming.
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What is the intent of EA credit 5: Measurement & Verification?
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Provide for the ongoing accountability of building energy consumption over time.
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What are the requirements for EA Credit 5: Measurement & Verification?
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Develop and implement a Measurement & Verification (M&V) plan consistent with option d: calibrated simulation or option b, energy conservation measure isolation, as specifice in the international performance measurement & verification protocol Volume III: Concepts and options for determing energy savings in new construction April 2003. The M&V period shall cover a period of no less than one year of post-construction occupancy.
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What are the potential Technologies & strategies for EA credit 5: Measurement & Verification?
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Develop an M&V plan to evaluate building and/or energy system performance. Characterize the building and/or energy systems through energy simulation or engineering analysis. Install the necessary metering equipment ot measure energy use. Track performance by comparing predicted performance to actual performance, borken down by component or system as appropriate. Evaluate enrgy efficiency by comparing actual performance to baseline performance.
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What is the intent of EA credit 6: Green Power?
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Encourage the development and use of grid-source, renewable energy technologies on a net zero pollution basis.
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What are the requirements for EA credit 6: Green Power?
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Provide at least 35% of the building's electricity from renewable sources by engaging in at least a two-year renewable energy contract. Renewable sources are as defined by the center for resource solutions (CRS) gren-e prodcuts certification requirements. Determine the baseline electricity use- use the annual electricity conspumption from the results of EA Credit 1 or use the department of energy (DOE) commercial buildings energy consumption surbvey(CBECS) database to determine the estimated electricity use.
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What are the potential technologies & strategies for EA credit 6: Green Power?
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Determine the energy needs of the building and investigate opportunities to engage in a green power contract. Green power is derive from solar, wind, geothermal, biomass or low-impact hydro sources. Visit www.gree-e.org for details about the green-e program. Other sources of green power are eligible if they satisfy the green-e program's technical requirements. Renewable energy certificates (RECs), tradable renewable certificates (TRCs), green tags, and other forms of green power that comply with green-e technical requirements can be used to document compliacne with EA credit 6 requirements.
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