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LEED defs
| Term | Definition |
|---|---|
| ASHRAE 90.1 | set minimum reqs for the E efficient design of buildings, including HVAC and lighting systems |
| ASHRAE 62 | establishes ventilation requirements for acceptable indoor air quality |
| ASHRAE 55 | establishes acceptable thermal environmental conditions for occupancy |
| community connectivity | addresses ways to reduce pollution by reducing the number of single occupant drivers |
| American National Standards Institute (ANSI) | serves as admin and coordinator of US private sector voluntary standardization system |
| American Society of Heating, Refrigerating and AC Engineers (ASHRAE) | mission is to advance the arts and sciences of heating, ventilating, air conditioning and refrigerating to serve humanity and promote a sustainable world |
| ASHRAE 52.2-1999 | establishes a test procedure for evaluating the performance of air cleaning devices as a fxn of particle size |
| Minimum Efficiency Reporting Value (MERV) | ratings go from 1-16, with 1 filtering least and 16 filtering most. LEED usually requires 8 or better during construction and 13 or better for occupied buildings |
| American Society for Testing and MAterials (ASTM) | source for tech standards for materials, products, systems and services |
| US Code of Fed Regs (CFRs) | codification of the general and permanent rules published in the Fed Reg by the executive departments and agencies of the Fed LEED uses CFRs to define farmland and wetlands |
| CAA Title VI Rule 608 | EPA established regulations on the use and recycling of O3 depleting compounds |
| Commercial Buildings Energy Consumption Survey (CBECS) | national sample survey that collecti nfo on the stock of US commercial buildings, their E related building characteristics, and E consumption and expenditures |
| EcoLogo | provides customers with assurance that the products and services bearing the logo meet stringent standards of env leadership |
| Energy Policy Act of 1992 (EPAct) | created standards and laws to increase clean E use and improve overall E efficiency in US. The act covers building codes, utilities, HVAC, lighting, renewable E and water flow of fixtures |
| Energy Star | joint program of USEPA and USDoE helping us all save $ and protect the env through E efficient products and practices. E Star qualified office products meet E consumption specifications and use 30%-75% less electricity than standard equipment |
| Energy Star Portfolio Manager | helps track and assess E and Water consumption within individual buildings as well as across and entire building portfolio |
| FloorScore Testing Program | (by Resilient Floor Covering Institute) tests and certifies flooring products adopted in CA. Products include: vinyl, linoleum, laminate, wood, ceramic, and rubber flooring, wall base and associated products |
| Forest Stewardship Council | international certification and labeling system for products that come from responsibly managed forests and verified recycled sources. |
| 100% FSC | all wood is from well managed forests |
| Mixed Source FSC | both wood from FSC certified forests, recycled, and other noncontroversial sources |
| Recycled FSC | 100% recycled content |
| Green-e | energy cert prog is a voluntary certification and verification program for renewable E products (3 types of renewable E: RECs, utility green pricing progs, competitive elec products) |
| Green Label and Green Label Plus | created by Carpet and Rug institute, these programs set VOC limits for carpet (GLP) and cushion (GL) |
| Green Seal | independent, nonprofit org that promotes the manufacture and sale of env responsible consumer products |
| Illuminating Eng Society of NA (IESNA) | specifies lighting power densities for external lighting to help reduce light pollution |
| ISO 14000 | product oriented standards include Env Labels and Declaration, LCA, and Design for Environment. Intended to be applicable for assessing env performance of prods and services as well as providing guidance for improving env performance |
| ISO 14201 | standard regulates self-declared env claims |
| Montreal Protocol | international treaty that has the goal of phasing out CFCs and HCFCs in refrigerants for new and existing equipment |
| South Coast Air Quality Management District (SCAQMD) | public agency in SoCal w the mission to maintain healthful air quality |
| WaterSense | partnership program sponsored by EPA, helping consumers identify water efficient products and programs |
| Widespread Principles on the US Response to GW | a set of principles, people and orgs can sigh to show support for addressing the issue of climate change |
| adaptive plant | non-native plants that use less fertilizer, pesticides and water in a given landscape |
| adaptive reuse | process of adapting old structures for purposes other than those initially intended |
| agrifiber product | products made from ag fiber such as wheat board and straw board |
| air quality standards | level of pollutants prescribed by regs that are not to be exceeded during a given time in a defined area |
| airborne pollutant | any substance in air that could in high conc, harm man, other animals, veg or material |
| baseline building performance | total building E costs annually |
| baseline v design | the comparison between a standard gauge and the estimated in a building's design scenario |
| baseline v actual use | the comparison between a standard gauge and and actual result |
| biofuel | a solid, liquid or gaseous fuel derived from relatively recently dead biological material and is distinguished from fossil fuels |
| biomass | a renewable E source |
| bioswale | landscape elements designed to slow the flow of stormwater and increase GW recharge while also removing silt and pollution from surface runoff water |
| blackwater | wastewater from toilet flushing, can include water from kitchen sinks or laundry facilities |
| Btu | describes the heating or cooling capacity of a system or fuels |
| building commissioning | process of verifying, in new construction, that all the systems and subsystems are efficiently designed and installed properly to achieve the owner's project requirements |
| building density | floor area of the building/total area of the site |
| building envelope/shell | exterior surface of the building including all walls, windows, floor, and roof |
| building footprint | the area of the building as defined by the perimeter of the structure |
| carbon overlay tool | tool used by USGBC to weight credits in the LEEd system. Credits that reduce GHG emissions are given more wieght |
| chiller | machine that removes heat from a liquid via a vapor compression or absorption refrigeration cycle |
| commissioning | a systematic process of assuring that a building and its systems performs in accordance with the design intent and the owner's requirements |
| composite wood | wood manufactured by binding together the strands, particles, fibers or veneers of wood, together with adhesives, to form composite materials |
| construction waste management plan | admin and procedural requirements for salvaging, recycling and disposing of non-haz demotion and construction waste |
| conventional irrigation | watering using above ground sprinkler heads |
| cooling tower | heat removal devices used to transfer process waste heat to the atm |
| credit interpretation rulings (CIRs) | process for project teams to obtain tech guidance on how LEED requirements pertain to their projects |
| development density | total square footage of buildings in a particular area divided by acre amount of the same area |
| development footprint | the area of the project site that has been disturbed for development |
| dry/detention pond | basins whose outlets have been designed to detain stormwater runoff for some minimum time, do not have a large permanent pool of water |
| energy use intensity (EUI) | unit of measurement that describes a building's energy use relative to its size |
| fenestration | any opening in a building such as windows, doors, skylights, curtain walls, etc. designed to permit the passage of air, light, vehicles or people |
| floor area ratio | the relationship between the total building floor area and the allowable land area the building can cover |
| gray water | non-industrial wastewater generated from domestic processes such as dish washing, laundry and bathing |
| hard cost | purchase price of a hard asset such as masonry, wood, steel, carpet, tile, mechanical systems, roofing |
| infill development | development that occurs within established urban areas where the site or area either is a vacant place between other developments or has previously been used for another urban repose |
| LEED | third party cert prog and the nationally accepted benchmark for the design, construction and operation of high performance green buildings |
| LEED category | how prerequisites and credits are grouped depending on the building type and rating system |
| LEED credit | project earn points by meeting the requirements of optional credits in order to earn points towards certification |
| LEED intent | specifies the env goal of each LEED credit |
| LEED Online | online software used to manage the entire LEED project certification process and manage credits |
| LEED credit checklist | excel spreadsheet that helps project teams track their credits against requirements for certification |
| LEED points | LEED ratings are achieved through earning points in each of the 6 LEED categories |
| LEED project boundary | the portion of the project submitted for LEED cert |
| LEED TAGs | provide a consistent source of sound tech advice with respect to products, tools and services |
| Life cycle assessment (LCA) | investigation and valuation of the env impacts of a given product or service; evaluates en performance |
| life cycle costing (LCC) | the evaluation of the total cost of a building or product over its useful life, including initial, maintenance, repaire and replacement costs as well as savings; LCC evaluates economic performance |
| low impact development (LID) | approach to land development (or redevelopment) that works with nature to manage stormwater as close to its source as possible |
| material reuse | materials are reused in a way that is the same or similar to how it was used before |
| off-gassing | the slow release of a gas that was trapped or adsorbed in some material |
| open grid pavement | pavement that is less than 50% impervious and contains vegetation in the open cells |
| post-consumer material | recycled material generated from the waste of household, commercial, industrial, or institutional end-users |
| post-consumer recycled content | the percentage of material in a product that was consumer waste. It was generated by household, commercial, industrial, or institutional end-users and can no longer be used for its intended purpose |
| pre-consumer content | content from industry scraps that was diverted from the waste stream and used for other purposes |
| renewable energy certificates (RECs) | tradable env commodities in the US which represent proof that 1 MWh of electricity was generated from an eligible renewable E resource |
| street grid density | centerline miles/ square mile,measuring a particular road down its center |
| sustainable | meeting the needs of the present without compromising the ability of future generations to meet their own needs |
| US Green Building Council (USGBC) | a member-based nonprofit org whose mission is to transform the way buildings and communities are designed, built and operated, enabling and env and socially responsible, healthy and prosperous env that improves the quality of life; created LEED |
| value engineering | a review process that identifies and selects the lowest life cycle cost options in design, materials and processes that achieves the desired level of performance reliability and customer satisfaction |
| VOC | compounds that have high VP and low H2O solubility, and therefore can enter the air easily |
| wet/retention pond | pond designed to hold a specific amt of water indefinitely |
| xeriscaping | landscaping and gardening in ways that reduce or eliminate the need for supplemental irrigation |
| zoning | method of land use regulation use dby local govt in most developed countries |
| LEED for NC | designed to guide and distinguish high-performance commercial and institutional projects Does not include facility alterations and additions Can include major renovations |
| LEED for Commercial Interiors | benchmark for tenant improvement market that gives the power to make sustainable choices |
| LEED for Existing Buildings: Operations and Maintenance | provides a benchmark for building owners and property managers to measure operations, improvements and maintenance |
| LEED Core and Shell | sustainable design for new core and shell construction Can do a pre-certification process |
| What must a project satisfy for certification? | 1. meet MPR 2. satisfy all prereqs 3. satisfy combinations of credits that achieve a certain # of points for the desired certification level |
| MPR purpose | 1. provide guidance on what types of projects are eligible for certification 2. project the integrity of LEED 3. reduce the # of issues that come from the certification process |
| all projects must (MPRs-7 of them) | 1. comply with all env laws 2. be a permanent and complete structure 3. use a reasonable site boundary 4. have a min floor space (CI:250SF, rest:1000sf) 5. meet occ reqs 6. share all E and H2O use with USGBC 7. gfa must be no less than 2% gla |
| certification process (commercial) | 1. registration 2. application 3. preliminary review 4. preliminary review response 5. final review 6. accept or appeal 7. appeal review 8. certification or denial |
| credit/prereq statuses: anticipated clarify awarded denied | anticipated-- project team can reasonably assume the credit will be achieved clarify-- more info needed awarded-- requirements have been met & points are earned denied-- requirements not met |
| basic services (18) | bank, church, supermarket, day care, dry cleaner, fire station, salon, hardware store, library, medical office, park, pharmacy, post office, restaurant, school, theatre/museum, community center, gym |
| methods that limit erosion and sedimentation (6) | mulching, erosion control blankets, silt fencing, berms and construction ponds, seeding, straw bales |
| What is the goal of the water efficiency credits? | reduce the quantity of water needed for buildings and landscaping reduce municipal water use reduce the need for treatment of wastewater |
| Chlorofluorocarbons (CFCs) CFC-12 CFC-11 | CFC-12: OPD=1, GWP=10720 CFC-11: ODP=1, GWP=4680 |
| Hydrofluorocarbons (HCFCs) HCFC-22 HCFC-123 | HCFC-22: ODP=.04, GWP=1780 HCFC-123: ODP= .02, GWP=76 |
| Hydrofluorocarbons (HFCs) HFC-23 HFC-134a | HFC-23: ODP=0, GWP=12240 HFC-134a: ODP=0, GWP=1320 |
| Natural Refrigerants--HCs Ethane Propane Butane | Ethane: ODP=0, GWP=3 Propane: ODP=0, GWP=3 Butane: ODP=0, GWP=3 |
| Natural refrigerants-- other CO2 NH3 H2O Air | CO2: ODP=0, GWP=1 rest: ODP=0, GWP=0 |
| Halons | used as fire extingiushing agents that contribute to ODP production ended on Dec 31, 1993 |
| Ways to obtain green power | 1. purchasing green power directly from the provider 2. purchasing green power indirectly from the power provider 3. purchasing green certificates |
Created by:
lerickson
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