Term
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Definition
electricity from fossil fuels-extraction, transportation, refining, distribution=negative impact; coal rinsed with water-billions of gallons of sludge in ponds; mining-health, danger; fossil-generation-carbon dioxide released, global climate change; coal fired- nitrogen oxide=smog, sulfur dioxide=acid rain; natural gas-nitrogen oxide, greenhouse gases; nuclear power-accidents, disposal; hydroelectric-disrupt water flow and wildlife.
green buildings-reduce amount of energy required and use benign forms |
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Term
| Prerequisite 1- Fundamental Commissioning of the Building Energy Systems- intent |
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Definition
| Verify energy systems are installed, calibrated, and perform according to owner's project requirements, basis of design, and construction documents. |
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Term
| Prerequisite 1- Fundamental Commissioning of the Building Energy Systems- benefits |
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Definition
| reduced energy use, lower operation costs, reduced contractor callbacks, better building documentation, improved occupant productivity, and verification that the systems perform in accordance with owner's project requirements |
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Term
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Definition
| the process of verifying and documenting that the facility and all of its systems and assemblies are planned, designed, installed, tested, operated and maintained to meet the owner's project requirements |
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Term
| Owner's Project Requirements |
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Definition
| (OPR) written document that details the functional requirements of a project and the expectations of how it will be used and operated. |
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Term
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Definition
| (BOD) design info necessary to accomplish the owner's project requirements- system descriptions, indoor environmental quality criteria, pertinent design assumptions, references to codes, standards,etc |
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Term
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Definition
| document that outlines organization, schedule, allocation of sources, and documentation requirements of commissioning process |
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Term
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Definition
| document that records the results of the commissioning process, including the as-built performance of the HVAC system and unresolved issues |
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Term
| Commissioning Specification |
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Definition
| contract document that details the commissioning requirements of the construction contractors |
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Term
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Definition
| process of inspecting components for the commissioned systems to determine if they are installed properly and ready for systems performance testing |
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Term
| System Performance Testing |
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Definition
| process of determining the ability of the commissioned systems to perform in accordance with the owner's project requirements, basis of design, and construction documents |
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Term
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Definition
| Heating, Ventilation, Air Conditioning, and Refrigeration |
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Term
| Prerequisite 1- Fundamental Commissioning of the Building Energy Systems- Requirements 1 |
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Definition
| 1. designate commissioning authority to lead, review, and oversee completion of commissioning activities; experience in at least 2 building projects; independent of design and construction management but may be an employee of the same firms and may be employee or consultant of owner; reports results, findings, and recommendations to owner; projects smaller than 50,000 sq ft-CA may include ppl on design and construction teams |
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Term
| Prerequisite 1- Fundamental Commissioning of the Building Energy Systems- Requirements 2 |
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Definition
| owner documents Owner's project requirements; design team develops Basis of design; CxA reviews these documents; owner and design team update documents |
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Term
| Prerequisite 1- Fundamental Commissioning of the Building Energy Systems- Requirements 3 |
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Definition
3. develop and incorporate commissioning requirements into construction docs
4. develop and implement a commissioning plan
5. verify the installation and performance of systems to be commissioned
6. summary of commissioning report |
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Term
| Prerequisite 1- Fundamental Commissioning of the Building Energy Systems- Commissioned Systems |
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Definition
1.HVAC&R
2. lighting and daylight controls
3. domestic and hot water systems
4. renewable energy systems |
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Term
| Prerequisite 1- Fundamental Commissioning of the Building Energy Systems- required individuals |
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Definition
For commissioning process, qualified in:
1. energy systems design
2. commissioning planning and process mgmt
3. hands-on field experience with energy systems-all aspects
4. energy systems automation control knowledge |
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Term
| Prerequisite 1- Fundamental Commissioning of the Building Energy Systems- Submittal |
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Definition
Construction Submittal.
1. name and company info for the CxA
2. confirm 6 required tasks completed
3. narrative description of the systems that were commissioned and results of process |
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Term
| Prerequisite 2 Minimum Energy Performance-intent |
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Definition
| establish the minimum level of energy efficiency for the proposed building systems. |
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Term
| Prerequisite 2 Minimum Energy Performance-requirements |
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Definition
| design the building to comply with the mandatory provisions of ASHRAE, and the prescriptive or performance requirements of ASHRAE |
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Term
| Prerequisite 2 Minimum Energy Performance-strategies |
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Definition
| design the building envelope, HVAC, lighting, and other systems to maximize energy performance; ASHRAE users manual has worksheets that can document compliance with this prerequisite |
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Term
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Definition
| American Society of Heating Refrigerating and Air-Conditioning Engineers; standard 90.1-minimum requirements for the energy-efficient design of buildings, except low rise residential buildings- compliance chart page 167 of LEED; provisions of standard do not apply to single family homes, multi-family structures of 3 stories or less above grade, manufactured (mobile/modular) homes, buildings that do not use either fossil fuel or electricity, or equipment or portions of building systems that use energy primarily for industrial/manufactural/commercial processes |
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Term
| Prerequisite 2 Minimum Energy Performance-submittal |
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Definition
Design Submittal.
1. confirm that the project meets requirements of ASHRAE Std. 90.1-2004
2. optional narrative with special circumstances |
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Term
| Prerequisite 2 Minimum Energy Performance-general topic requirements of ASHRAE |
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Definition
| building envelope, HVAC, service water heating, power, lighting, other equipment |
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Term
| Prerequisite 2 Minimum Energy Performance-2 approaches |
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Definition
1. Energy Cost Budget Method-Std. 90.1-2004 section 11- set up and execute a building simulation to demonstrate compliance
2. Performance Rating Method- Std. 90.1-2004 appendix G- required for EA Credit 1 |
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Term
| Prerequisite 3 Fundamental Refrigerant Management- intent |
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Definition
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Term
| Prerequisite 3-Fundamental Refrigerant Management- requirements |
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Definition
| zero use of CFC-based refrigerants in HVAC&R in new buildings; when reusing building HVAC complete a CFC phase-out conversion prior to project completion; phase-out plans extending beyond project completion will be considered on their merits |
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Term
| Prerequisite 3 Fundamental Refrigerant Management-implementation |
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Definition
alternative compliance path- third party to state that system replacement is not economically feasible- that is if the simple payback of replacement is greater than 10 years;
if CFCs must be used, reduce annual leakage; consider various CFC substitutes |
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Term
| Prerequisite 3 Fundamental Refrigerant Management-Submittal |
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Definition
Design Submittal.
1. confirm project does not use CFC refrige.
OR
1. confirm project has phase-out plan
2. narrative description of plan: dates, refrigerant quantities as a percentage of overall project equiment |
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Term
| Ozone Depleting Potential |
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Definition
ODP: highest rating to lowest rating (1-0)
1. chlorofluorocarbons
2. hydrochlorofluorocarbons
3. hydroflourocarbons
4. natural refrigerants- CO2,NH3,Propane |
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Term
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Definition
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Term
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Definition
| CFCs- hydrocarbons that deplete the stratospheric ozone layer |
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Term
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Definition
| HCFCs- refrigerants that cause significantly less depletion of the stratospheric ozone layer compared to CFCs |
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Term
| Credit 1-Optimize Energy Performance- intent |
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Definition
| achieve increasing levels of energy performance above the baseline in the prerequisite standard to reduce environmental and economic impacts associated with excessive use. |
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Term
| Credit 1-Optimize Energy Performance- requirements |
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Definition
| 1 of 3 compliance paths, must be in compliance with EA prerequisite 2. |
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Term
| Credit 1-Optimize Energy Performance- requirements -compliance path 1 |
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Definition
Whole Building Energy Simulation:
1-10 points awarded according to ASHRAE/IENSA Standard 90.1-2004
1. Must comply with mandatory provisions of ASHRAE (Sections 5.4, 6.4, 7.4, 8.4, 9.4, and 10.4);
2. must include all energy costs with and associated with the building project;
3. and must be compared against a baseline building that complies with Appendix G to Standard 90.1-2004; default process energy cost is 25% of the total energy cost for the baseline building- if process energy cost is less than 25% of baseline, include documentation to show process energy inputs are appropriate
needed: computer simulations- 1 of proposed design, 4 baseline design simulations |
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Term
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Definition
| office and miscellaneous equipment, laundry, computers, elevators, escalators, kitchen cooking/refrigeration, lighting exempt from the lighting power allowance |
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Term
| Regulated (non-process) energy |
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Definition
| lighting, HVAC, service water heating for domestic or space heating purposes |
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Term
| Credit 1-Optimize Energy Performance- requirements -compliance path 2 |
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Definition
Prescriptive Compliance Path-4 points available:
Comply with the prescriptive measures of the ASHRAE Advanced Energy Design Guide for Small Office Buildings 2004.
Restrictions:
1. Buildings under 20,000 sq ft
2. Buildings must be office occupancy
3. must comply with all applicable criteria in the Advanced Energy Design Guide for the appropriate climate zone |
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Term
| Credit 1-Optimize Energy Performance- requirements -compliance path 3 |
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Definition
Prescriptive Compliance Path- 1 point available:
Comply with the Basic Criteria and Prescriptive Measures of the Advanced Building Benchmark Version 1.1 (some exceptions pg 174)
Restriction: appropriate climate zone |
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Term
| Credit 1-Optimize Energy Performance- strategies |
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Definition
| design building envelope and systems to maximize energy performance, computer simulation model, quantify energy performance as compared to a baseline building; if local code has analysis of Department of Energy standards- that analysis may be used with ASHRAE. |
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Term
| ASHRAE/IESNA 90.1-2004 Appendix G |
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Definition
| appendix for rating the energy efficiency of building designs- used to quantify performance that substantially exceeds requirements of Standard 90.1. |
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Term
| ASHRAE/IESNA 90.1-2004 Appendix G Components |
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Definition
For compliance path 1 of credit 1-
Section:
5-Building Envelope
6-HVAC
7-Service Water Heating
8-Power
9-Lighting
10-Other Equipment |
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Term
| Advanced Building Benchmark Version 1.1 |
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Definition
| For compliance path 3 for Credit 1: New Buildings Institute- provides a method for exceeding national codes, provide a standardized method for determining building performance |
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Term
| ASHRAE Advanced Energy Design Guide for Small office buildings 2004 |
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Definition
| for compliance path 2 for credit 1 |
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Term
| Performance Rating Method of Appendix G is a modification of the Energy Cost Budget (ECB) Method |
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Definition
| a model using ECB will not be accepted under credit EA 1 |
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Term
| Performance Rating Method of Appendix G and ECB Method Differences |
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Definition
pg 177.
1. Building schedules,
2. baseline building envelope: orientation, opaque assemblies, vertical fenestration
3. Baseline Building HVAC System: type selection, baseline fan power, baseline system sizing |
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Term
| Credit 1-Optimize Energy Performance-compliance path 1- "Proposed Building Performance" |
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Definition
| total annual energy cost in dollars projected by the Proposed Design simulation is called "Proposed Building Performance" |
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Term
| Credit 1-Optimize Energy Performance-compliance path 1- "Baseline Building Performance" |
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Definition
| average of the total projected annual energy costs for the 4 baseline design simulations in dollars; 4 baseline design energy models are identical to each other except orientation is different, and window SHGCs are revised |
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Term
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Definition
| the design and disposition of windows and other exterior openings of a building. |
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Term
| Credit 1- Optimize Energy Performance- Option 1- example of format-pg 185-191 |
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Definition
1. General Building energy model information table
2. Baseline and Proposed Design input parameters table
3. Baseline Performance table
4. Baseline Design and Proposed Design Results, Percentage Improvement table |
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Term
| Credit 1- Optimize Energy Performance- Option 1- percentage improvement formula |
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Definition
| Percentage Improvement= 100 x (1- (proposed building performance/baseline building performance)) |
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Term
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Definition
| rating a building earns using the energy star portfolio manager to compare building energy performance to similar buildings in similar climates, a score of 50 represents average building performance |
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Term
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Definition
| capacity of a unit, maximum a unit will draw |
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Term
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Definition
| all equipment that is plugged into the electrical system, from office equipment to refrigerators |
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