Leed Prep Ga

Front 1

Why was GBCI formed?

Back 1

ISO recommendations do not permit an accreditation or certification body to be subordinate to the organization that set the standard. (ISO 17024)

Hint 1

pg. 3

Front 2

Unacceptable uses of GBCI or USGBC logos or trademarks?

Back 2

1. Logo should not be copied from websites or publications.
2. Entire logo must be used.
3. The appearance of logos should be preserved.
4. Logo should not be resized to less than 20% or more than 380% of original size.
5. Logo should not be resized to less than 50 pixels or more than 200 pixels for web use.
6. The LEED logo should not be used on product packaging or in advertising.
6. The LEED for Homes logo is not a symbol that a person is officially certified or authorized to work on LEED for Homes projects.

Hint 2

pg. 13

Front 3

What is TRACI and how does it relate to LEED?

Back 3

the Tool for the Reduction and Assessment of Chemical and other Environmental Impacts is established by the National Institute of Standards and Technology and used to properly weight the available LEED credits

Hint 3

pg. 20

Front 4

What are the minimum gross square footage requirements for a LEED certified project?

Back 4

1,000 gross square feet for LEED NC, CS, and EBOM; 250 gross sq ft for LEED CI

Hint 4

pg. 24

Front 5

What is FTE?

Back 5

full time equivalent is the number of total hours worked divided by the maximum number of compensable hours in a work year.

Hint 5

pg. 145

Front 6

What is the occupancy MPR for LEED EBOM?

Back 6

the project must be fully occupied for at least one year preceding submission of the certification application and at least 75% of spaces within the building must be physically occupied at normal capacity during that time.

Hint 6

pg. 24

Front 7

What is a sunset date?

Back 7

from the time that registration for an old rating system is closed, a project team has six years to complete the certification application under the then-current rating system. Project teams must also demonstrate a "substantial level of application activity" within four years of registration.

Hint 7

pg. 24

Front 8

How long does a project team have to complete a LEED application?

Back 8

within 2 years of project completion (certificate of occupancy or similar)

Hint 8

pg. 24

Front 9

What are the 10 MPR's that are referenced in LEED Prep GA?

Back 9

1. prerequisites of target rating system;
2. legal compliance;
3. be a building;
4. reasonable site boundary;
5. FTE compliance (partial);
6. floor area requirements;
7. occupancy rates (EBOM only)
8. timing of process;
9. USGBC access to bldg data;
10. minimum bldg-to-site area ratio

Hint 9

pg. 24

Front 10

What are the 7 categories that make up the LEED 2009 rating systems?

Back 10

1. Sustainable Sites (SS)
2. Water Efficiency (WE)
3. Energy and Atmosphere (EA)
4. Materials and Resources (MR)
5. Indoor Environmental Quality (IEQ)
6. Innovation in Design/Operations (ID or IO)
7. Regional Priority (RP)

Hint 10

pg. 25

Front 11

How does one earn points in ID Credit 1?

Back 11

by demonstrating exemplary performance in surpassing credit requirements and/or by making use of innovative approaches to sustainability ( up to 3 pts for exemplary performance and up to 5 pts for comprehensive strategies)

Hint 11

pg. 25

Front 12

How many points can be earned for IO Credit 1?

Back 12

4 (3 of which may be met through exemplary performance)

Hint 12

pg. 25

Front 13

Describe IO Credit 3.

Back 13

one point may be earned under LEED EBOM by documenting operating costs as described in the Op. & Maint. reference guide

Hint 13

pg. 26

Front 14

How many prerequisites are there under LEED NC and CS?

Back 14

8 (1 in SS, WE & MR; 2 in IEQ; and 3 in EA)

Hint 14

pg. 26

Front 15

How many prerequisites are there under LEED CI?

Back 15

7 (the same as LEED NC only without the SS prerequisite)

Hint 15

pg. 26

Front 16

Describe Default Occupancy Counts...

Back 16

the developer of a speculative building may not know what types of tenants will move in when the building is complete; USGBC provides data tables to enable applicants to use default occupancies when actual are unknown

Hint 16

pg. 27

Front 17

How many prerequisites are there under LEED EBOM?

Back 17

9 (1 in WE; 2 in MR; and 3 in EA and EQ)

Hint 17

pg. 28

Front 18

How many prerequisites are there under LEED Schools?

Back 18

10 (1 in WE and MR; 2 in SS; and 3 in EA and IEQ)

Hint 18

pg. 31

Front 19

What are the three additional categories found in the LEED for Homes rating system?

Back 19

1. Innovation and Design Process
2. Locations and Linkages
3. Awareness and Education

Hint 19

pg. 39

Front 20

How many prerequisites are there in the LEED for Homes rating system?

Back 20

18 (1 in AE; 2 in EA and SS; 3 in ID and MR; and 7 in EQ)

Hint 20

pg. 38

Front 21

How does the point system work under LEED for Homes?

Back 21

136 possible points; number of pts required depends on size of home and number of bedrooms; neutral home requires 45, 60, 75 and 90 points for each level of certification

Hint 21

pg. 40

Front 22

How many prerequisites are there in the LEED for Neighborhood Development rating system?

Back 22

13 (3 in NPD; 4 in GIB; and 6 in SLL)

Hint 22

pg. 41

Front 23

What are the four credit categories under the LEED ND rating system?

Back 23

1. Smart Location and Linkage
2. Neighborhood Pattern and Design
3. Green Infrastructure and Buildings
4. Innovation and Design Process

Hint 23

pg. 41

Front 24

accreditation profile:

Back 24

an individual's listing in the LEED Professional Credentialing Directory

Front 25

acid rain:

Back 25

acidic precipitation in the form of rain

Front 26

adapted plants:

Back 26

plants indigenous to a locality or cultivars of native plants that are adapted to the local climate and are not considered invasive species or noxious weeds, and which require only limited irrigation following establishment, but do not require active maintenance such as mowing and provide habitat value and promote biodiversity through avoidance of monoculture plantings.

Front 27

adaptive reuse:

Back 27

the process of adapting old structures for new purposes.

Front 28

adhesive:

Back 28

a substance to bond two materials

Front 29

advanced technology vehicle (ATV):

Back 29

a type of alternative vehicle that uses advanced technology for powertrains, emissions controls, and other vehicle features that allow for improved environmental performance. electric hybrid vehicles and fuel cell vehicles are examples.

Front 30

agrifiber product:

Back 30

products made from agricultural fiber.

Front 31

air changes per hour (ACH)

Back 31

a value representing the number of times each hour that an enclosure's total volume of air is exchanges with fresh or filtered air.

Front 32

albedo:

Back 32

reflective power; specifically the fraction of incident radiation (as light) that is reflected by a surface or body (as the moon or a cloud).

Front 33

alternative fuel vehicle (AFV):

Back 33

a vehicle that uses low-polluting, non-gasoline fuel such as electricity, hydrogen, propane or compressed natural gas, liquid natural gas, methanol, or ethanol. efficient gas-electric hybrid vehicles are included in this group for LEED purposes.

Front 34

angle of maximum candela:

Back 34

the direction in which a luminaire emits the greatest luminous intensity.

Front 35

anticorrosive paints:

Back 35

coatings formulated and recommended for use in preventing the corrosion of ferrous metal substrates.

Front 36

aquatic system:

Back 36

ecologically designed treatment systems that utilize a diverse community of biological organisms (e.g., bacteria, plants, and fish) to treat wastewater to advanced levels.

Front 37

aquifer:

Back 37

an underground water-bearing stratum of permeable rock, sand, or gravel that supplied groundwater, wells, or springs.

Front 38

aromatic compounds:

Back 38

defined by Green Seal Standard GS-11 as "hydrocarbon compounds containing one or more 6-carbon benzene rings in the molecular structure."

Front 39

assembly recycled content:

Back 39

includes the percentages of post-consumer and pre-consumer content of a specific assembly or product. the determination is made by dividing the weight of the recycled content by the overall weight of the assembly.

Front 40

balancing damper:

Back 40

an adjustable plate used to regulate airflow in a duct.

Front 41

baseline building performance:

Back 41

the annual energy cost for a building design intended for use as a baseline for rating above standard design, as defined in ANSI/ASHRAE/IESNA Standard 90.1-2004, Informative App. G

Front 42

basis of design (BOD)

Back 42

includes design information necessary to accomplish the owner's project requirements, including systems descriptions, indoor environmental quality criteria, other pertinent design assumptions (such as weather data), and references to applicable codes, standards, regulations, and guidelines.

Front 43

bedroom:

Back 43

Defined in LEED for Homes as "any room or space that could be used or is intended to be used for sleeping purposes and meets local fire and building code requirements."

Front 44

best management practice (BMP):

Back 44

in the context of stormwater management, BMP's are effective, practical, structural or nonstructural methods that prevent or reduce the movement of sediment, nutrients, pesticides and other pollutants from the land to surfacewater or groundwater, or that otherwise protect water quality from potential adverse effects of construction activities. These practices are developed to achieve a balance between water quality protection and construction within natural and economic limitations.

Front 45

bioaccumulants:

Back 45

substances that increase in concentration in the living organisms exposed to them because they are very slowly metabolized or excreted.

Front 46

biodiversity:

Back 46

biological diversity in an environment as indicated by numbers of different species of plants and animals. the variety of life in all forms, levels and combinations, including ecosystem diversity, species diversity and genetic diversity.

Front 47

biomass:

Back 47

plant materials such as trees, grasses and crops that can be converted to heat energy to produce electricity

Front 48

bioremediation:

Back 48

the treatment of pollutants or waste (as in an oil spill, contaminated groundwater, or an industrial process) by the use of microorganisms (as bacteria) that break down the undesirable substances. Bioremediation is generally a form of in situ remediation, and can be a viable alternative to disposal in a landfill or incineration.

Front 49

bioretention:

Back 49

a BMP for stormwater management that utilizes soils and both woody and herbaceous plants to remove pollutants from stormwater runoff.

Front 50

blackwater:

Back 50

wastewater containing biological material such as feces or food waste, which must be treated before it can be safely released or reused. wastewater from toilets and urinals is always considered blackwater. wastewater from kitchen sinks (perhaps differentiated by the use of a garbage disposal), showers, or bathtubs may be considered blackwater by state or local codes.

Front 51

borate:

Back 51

chemical used as a wood preservative; it is nontoxic to humans and pets, but kills termites, carpenter ants, and cockroaches and prevents fungal decay.

Front 52

breathing zone:

Back 52

the region within an occupied space between planes 3 feet and 6 feet above the floor and more than 2 feet from the walls or fixed aid conditioning equipment.

Front 53

brownfield site:

Back 53

with certain legal exclusions and additions, the term "brownfield site" means real property, the expansion, redevelopment, or reuse of which may be complicated by the presence or potential presence of a hazardous substance, pollutant, or contaminant.

Front 54

buildable land:

Back 54

portion of a site suited for construction and not occupied by public streets, roads, or rights-of-way, existing structures, or parks.

Front 55

building density:

Back 55

the floor area of the building divided by the total area of the site (square feet per acre).

Front 56

building energy performance baseline:

Back 56

the average building performance for the specific type of building. for building types covered by Energy Star, this is a score of 50. For building types not covered by Energy Star, the building energy performance baseline is established with historic building energy use data and/or energy data from other, similar buildings.

Front 57

building envelope:

Back 57

the exterior surface of a building's construction-the walls, windows, roof and floor. also referred to as the building shell.

Front 58

building footprint:

Back 58

the area on a project site that is used by the building structure and is defined by the perimeter of the building plan. parking lots, landscapes, and other non-building facilities are not included in the building footprint.

Front 59

building integrated photovoltaics (BIPV):

Back 59

photovoltaic system integrated in building's external materials, such as its facade or roof.

Front 60

building-related illness:

Back 60

diagnosable illnesses that can be directly attributable to airborne building contaminants.

Front 61

built environment:

Back 61

human-made additions to or alterations of a site.

Front 62

candela:

Back 62

the base unit of luminous intensity in the International System of Units. A candela is equal to the luminous intensity, in a given direction, of a source that emits monochromatic radiation of a specific frequency and intensity.

Front 63

car sharing:

Back 63

a system under which multiple households share a pool of automobiles, either through cooperative ownership or through some other mechanism.

Front 64

carbon dioxide (CO2)

Back 64

a heavy colorless gas that does not support combustion, dissolves in water to form carbonic acid, is formed especially in animal respiration and in the decay or combustion of animal and vegetable matter, is absorbed from the air by plants in photosynthesis, and is used in the carbonation of beverages.

Front 65

CO2 monitoring:

Back 65

an indicator of ventilation effectiveness inside buildings. CO2 concentrations greater than 530 parts per million above outdoor CO2 conditions are generally considered an indicator of inadequate ventilation. Absolute concentrations of CO2 greater than 800 to 1000 parts per million are generally considered an indicator of poor breathing air quality.

Front 66

catchment area:

Back 66

surface area of a roof that captures water to be used in a rainwater harvesting system.

Front 67

central vacuum system:

Back 67

built-in vacuum system used for removing dirt and debris from floors and capturing in a remote receptacle.

Front 68

chain of custody:

Back 68

a document that tracks the movement of a wood product from the forust to a vendor and is used to verify compliance with FSC guidelines. a vendor is defined as the company that supplies the wood products to a project contractors or subcontractors for on-site installation.

Front 69

charrette:

Back 69

colalborative design effort undertaken in a short period of time that brings together members of a project team to brainstorm and evaluate design opportunities and approaches.

Front 70

chemical component restriction:

Back 70

a set of restrictions set by the Green Seal Standard GS-11 requiring that the manufacturer demonstrate that the chemical compounds included on the Chemical Component Restrictions list are not used as ingredients in the manufacture of the product.

Front 71

chlorofluorocarbon (CFC):

Back 71

any of several simple gaseous compounds that contain carbon, chlorine, fluorine, and sometimes hydrogen, that are used as refrigerants, cleaning solvents, and aerosol propellants and in the manufacture of plastic foams, and that are believed to be a major cause of stratospheric ozone depletion.

Front 72

circulation loop:

Back 72

part of a building's plumbing system that returns cold water to a heating element rather than down the drain until hot water reaches the faucet.

Front 73

climate zone:

Back 73

temperature zone defined by the International Energy Conservation Code.

Front 74

combustion exhaust gases:

Back 74

gases resulting from fossil fuel combustion, such as CO2, carbon monoxide, sulfur dioxide and nitrogen oxide.

Front 75

cogeneration:

Back 75

the simultaneous production of electrical or mechanical energy (power) and useful thermal energy from the same fuel/energy source such as oil, coal, gas, biomass, or solar.

Front 76

comfort criteria:

Back 76

specific original design conditions that shall at a minimum include temperature (air radiant and surface), humidity, and air speed, as well as outdoor temperature design conditions, outdoor humidity design conditions, clothing (seasonal), and activity expected. (ASHRAE 55-2004)

Front 77

commissioning (Cx):

Back 77

The process of ensuring that systems are designed, installed, functionally tested, and capable of being operated and maintained to perform in conformity with the owner's project requirements.

Front 78

commissioning authority (CxA):

Back 78

person or team that acs as a commissioning agent.

Front 79

commissioning plan:

Back 79

a document defining the commissioning process that is developed in increasing detail as the project progresses through its various stages.

Front 80

commissioning report:

Back 80

the document that records the results of the commissioning process, including the as-built performance of the HVAC system and unresolved issues.

Front 81

commissioning specification:

Back 81

the contract document that details the objective, scope, and implementation of the construction and acceptance phases of the commissioning process as developed in the design-phase commissioning plan.

Front 82

commissioning team:

Back 82

includes people responsible for working together to carry out the commissioning process.

Front 83

compensating shower valve:

Back 83

a valve that keeps water temperature in the shower constant when other household appliances, such as a dishwasher or washing machine, are in use.

Front 84

completed design area:

Back 84

the total area of finished ceilings, finished floors, full height walls and demountable partitions, interior doors, and built-in case goods in the space when the project is completed; exterior windows and exterior doors are not included.

Front 85

composite panel:

Back 85

panels made from several materials. plywood and oriented strand board are two examples.

Front 86

composite wood:

Back 86

a product consisting of wood or plant particles or fibers bonded together by a synthetic resin or binder (i.e., plywood, particleboard, osb, medium density fiberboard, composite door cores). for the purposes of LEED requirements, products must comply with the following conditions:
1. the product is inside the building's waterproof system.
2. composite wood composites used in assemblies are included.
3. the product is part of the base building system.

Front 87

composting toilet system:

Back 87

dry plumbing fixtures that contain and treat human waste by means of microbiological processes.

Front 88

Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA):

Back 88

commonly known as Superfund, this act addresses abandoned or historical waste sites and contamination. it was enacted in 1980 to create a tax on the chemical and petroleum industries and provided federal authority to respond to releases of hazardous substances.

Front 89

concentrate:

Back 89

a product that must be diluted by at least eight parts by volume water prior to its intended use.

Front 90

conditioned space:

Back 90

the part of the building that is heated, cooled, or both, for the comfort of occupants.

Front 91

constructed wetland:

Back 91

an engineered system designed to simulate natural wetland functions and remove contaminants from wastewater.

Front 92

construction and demolition (C&D) waste:

Back 92

includes waste and recyclables generated from the construction, renovation, and demolition or deconstruction of pre-existing structures. Debris from land clearing, including soil, vegetation, rocks, and so forth, is not included.

Front 93

construction, demolition and land clearing (CDL) waste:

Back 93

includes waste and recyclables generated from the construction, land clearing (e.g., vegetation but not soil), renovation, and demolition or deconstructing of pre-existing structures.

Front 94

construction IAQ management plan:

Back 94

a document specific to a building project that outlines measures to minimize contamination in the building during construction, and to flush the building of contaminants prior to occupancy.

Front 95

contaminant:

Back 95

an unwanted airborne constituent that may reduce the acceptability of the air.

Front 96

conventional irrigation:

Back 96

the most common irrigation system used in the region where the building is located. a common conventional irrigation system uses pressure to deliver water and distributes it through sprinkler heads above the ground.

Front 97

conventional turf:

Back 97

grass; a lawn that must be watered, fertilized and mowed.

Front 98

corrected design ventilation rate (CDVR):

Back 98

the design ventilation rate divided by the air change effectiveness.

Front 99

Credentialing Maintenance Program:

Back 99

Continuing education required to keep LEED AP credentials in good standing. LEED GA's are required to complete 15 hours of training biennially, 3 hours of which must be LEED specific. LEED AP's with specialty must complete 30 hours of training biennially, 6 hours of which must be LEED specific.

Front 100

curfew hours:

Back 100

Locally determined times when greater lighting restrictions are imposed. When no local or regional restrictions are in place, 10:00pm is generally regarded as a default curfew time.

Front 101

daylight factor (DF)

Back 101

the ratio of exterior illumination to interior illumination, expressed as a percentage. The variables used to determine the daylight factor include the floor area, window area, window geometry, visible transmittance, and window height.

Front 102

daylight glazing:

Back 102

vertical window area that is located 7 feet 6 inches above the floor of the room glazing at this height is the most effective at distributing daylight deep into the interior space.

Front 103

daylighting:

Back 103

the controlled admission of natural light into a space through glazing with the intent of reducing or eliminating electric lighting. by utilizing solar light, daylighting creates a stimulating and productive environment for building occupants.

Front 104

demand-controlled circulation:

Back 104

allows hot water to be immediately available through use of a looped system.

Front 105

density:

Back 105

number of structures on a site or in an area. LEED measures residential density as dwellings per acre of buildable land available for residential use, and commercial density as floor area ratio per net acre of available buildable land.

Front 106

design light output:

Back 106

the light output of light bulbs at 40% of their useful life.

Front 107

detention pond:

Back 107

a pond that captures stormwater runoff and allows pollutants to drop out before release to a waterbody. a variety of detention pond designs are available. with some utilizing only gravity while others use mechanical equipment such as pipes and pumps to facilitate transport. some ponds are dry except during storm events while other ponds store water permanently.

Front 108

development footprint:

Back 108

the area within the project site that has been impacted by any development activity. hardscape, access roads, parking lots, non-building facilities, and building-structures are all included in the development footprint.

Front 109

direct line of sight to perimeter vision glazing:

Back 109

the approach used to determine the calculated area of regularly occupied areas with direct line of sight to perimeter vision glazing. the area determination includes full height partitions and other fixed construction prior to installation of furniture.

Front 110

distribution uniformity:

Back 110

measures how uniformly water is applied to an area from an irrigation system.

Front 111

disturbed lot area:

Back 111

part of a site directly affected by construction.

Front 112

diverted waste:

Back 112

trash or construction debris that is not sent to a landfill, but is disposed of through recycling or other reuse measures.

Front 113

drip irrigation:

Back 113

a high-efficiency irrigation method in which water is delivered at low pressures through buried mains and sub-mains. from the submains water is distributed to the soil from a network of perforated tubes or emitters. drip irrigation is a type of micro-irrigation.

Front 114

dry well:

Back 114

underground cistern that collects runoff and distributes it over a large area to increase absorption into the soil and minimize erosion.

Front 115

dual-flush toilet:

Back 115

fixture with two flush volumes. dual-flush toilets use less water to dispose of liquid waste than solid waste. the user specifies the volume of water to be used.

Front 116

durability:

Back 116

defined by LEED for Homes as "the ability of a building or any of its components to perform its required function in its service environment over the period of time without unforeseen cost for maintenance or repair.

Front 117

ecological restoration:

Back 117

the process of assisting in the recovery and management of ecological integrity, which includes a critical range of variability in biodiversity, ecological processes and structures, regional and historical context, and sustainable cultural practices.

Front 118

ecologically appropriate site feature:

Back 118

natural site elements that maintain the ecological integrity of the site, which may include native/adapted vegetation, waterbodies, exposed rock, unvegetated ground, and other features that are part of the historic natural landscape within the region and provide habitat value.

Front 119

ecosystem:

Back 119

a basic unit of nature that includes a community of organisms and their non-living environment linked by biological, chemical, and physical processes.

Front 120

edge development:

Back 120

defined by LEED for Homes as "a group of homes that extend an existing community beyond its borders but remain connected to it"; at least 25% of the edge development perimeter must border an existing neighborhood.

Front 121

embodied energy:

Back 121

the total energy used during the entire life cycle of a commodity for its manufacture, transportation, and disposal, as well as the inherent energy captured within the product itself.

Front 122

emissions offset:

Back 122

emissions reductions from one set of actions that are used to offset emissions caused by another set of actions.

Front 123

emissivity:

Back 123

the ratio of the radiation emitted by a surface to the radiation emitted by a blackbody at the same temperature. also called emittance.

Front 124

energy conservation measure (ECM):

Back 124

installation of equipment or systems, or modification of equipment or systems, for the purpose of reducing energy use and/or costs.

Front 125

Energy Star:

Back 125

US DOE initiative to indicate appliances and products which use acceptable amounts of energy or contribute to energy efficiency.

Front 126

Energy Star Home:

Back 126

A homes that uses 15% less energy than it would if it were constructed to the requirements of the 2004 International Energy Efficiency Code. To be labeled an Energy Star Home, the project must submit data to Energy Star for evaluation.

Front 127

Energy Star Portfolio Manager

Back 127

rating system that allows a building manager to compare and monitor building energy performance of all buildings in a company's portfolio.

Front 128

environmental attributes of green power:

Back 128

emission reduction benefits that result when green power is used instead of conventional power sources.

Front 129

environmental tobacco smoke (ETS):

Back 129

secondhand smoke. airborne particles emitted from the burning ends of cigarettes, pipes and cigars or exhaled by smokers. these particles contain about 4000 different compounds, up to 40 of which are known to cause cancer. the particles can be inhaled by persons located nearby.

Front 130

environmentally preferable products:

Back 130

products identified as having a lesser or reduced effect on health and the environment when compared with competing products that serve the same purpose.

Front 131

environmentally preferable purchasing:

Back 131

a US federal-wide program (Executive Order 13101) that encourages and assists executive agencies in the purchasing of environmentally preferable products and services.

Front 132

erosion:

Back 132

a combination of processes through which materials of the earth's surface are loosened, dissolved, or worn away, and transported from one place to another by natural agents (such as water, wind, or gravity).

Front 133

eutrophication:

Back 133

the process by which lakes or ponds age. water, through natural or human sources, becomes rich in nutrients (such as phosphates) and promotes the proliferation of plant life (especially algae) that reduces the dissolved oxygen content of the water and often causes the extinction of other organisms within the waterbody.

Front 134

evapotranspiration:

Back 134

loss of water from the soil both by evaporation and by transpiration from the plants growing thereon.

Front 135

exfiltration:

Back 135

uncontrolled outward air leakage from conditioned space through unintentional openings in ceilings, floors and walls to unconditioned spaces or the outdoors caused by pressure differences across these openings due to wind, inside-outside temperature differences (stack effect), and imbalances between supply and exaust air flow rates (ASHRAE 62.1-2004)

Front 136

exhaust air:

Back 136

the air removed from a space and discharged to outside the building by means of a mechanical or natural ventilation systems.

Front 137

existing building commissioning:

Back 137

developing a building operation plan that identifies current building operating requirements and needs, conducting tests to proactively determine if the building and fundamental systems are operating in accordance with the building operation plan, and making any repairs needed so that the building and fundamental systems are operating according to the plan.

Front 138

ex situ remediation:

Back 138

remediation of contaminated soil and groundwater by removing it to another location, typically a treatment facility. pump-and-treat technology is a traditional method of ex situ remediation that uses carbon filters and incineration. more advanced methods of ex situ remediation include chemical treatment and use of biological reactors.

Front 139

filtration basin:

Back 139

a basin that removes sediment and pollutants from stormwater runoff using a filter medium such as sand or gravel to avoid clogging a sediment trap is usually included to remove sediment from stormwater before filtering.

Front 140

fixture sensors:

Back 140

motion sensors that automatically turn lavatories, sinks, water closets, and urinals on and off. sensors may be hard-wired or battery operated.

Front 141

flat coatings:

Back 141

coatings that register a gloss of less than 15 on an 85-degree meter, or less than 5 on a 60-degree meter.

Front 142

floodplain:

Back 142

level land that may be submerged by floodwaters.

Front 143

fly ash:

Back 143

the solid residue derived from incineration processes. fly ash can be used as a substitute for some of the portland cement in concrete.

Front 144

footcandle:

Back 144

a unit of illuminance equal to one lumen of light falling on an area of one a square foot from a one candela light source at a distance of one foot.

Front 145

formaldehyde:

Back 145

a naturally occurring VOC found in small amounts in animals and plants. Formaldehyde is carcinogenic and an irritant to most people when present in high concentrations-causing headaches, dizziness, mental impairment, and other symptoms. when present in the air at levels above .1 parts per million, it can cause watery eyes; burning sensations in the eyes, nose and throat; nausea; coughing; chest tightness; wheezing; skin rashes; and asthmatic and allergic reactions.

Front 146

friable:

Back 146

easily crumbled. often used to describe asbestos that can be reduced to dust by hand pressure.

Front 147

full disclosure:

Back 147

for products that are not formulated with listed suspect carcinogens, full disclosure is defined as (1) disclosure of all ingredients (both hazardous and nonhazardous) that make up one percent or more of undiluted product, and (2) use of concentration ranges for each of the disclosed ingredients.

Front 148

full-cutoff luminaire:

Back 148

luminaires that have no direct uplight (no light emitted above horizontal) and comply with the glare requirement limiting intensity of light from the luminaire in the region between 80 and 90 degrees.

Front 149

full-time equivalent (FTE):

Back 149

the number of total hours worked divided by the maximum number of compensable hours in a work year.

Front 150

full-time equivalent building occupant:

Back 150

a measurement of occupancy determined by taking the total number of hours that all building occupants spend in the building during the peak eight-hour occupancy period, and dividing by eight hours. for buildings used for multiple shifts each day, the shift with the greatest number of FTE building occupants determines the overall FTE building occupants for the building.

Front 151

functional performance testing (FPT):

Back 151

the process of determining the ability of commissioning systems to perform in accordance with the owner's project requirements, basis of design, and construction documents.

Front 152

glare:

Back 152

any excessively bright source of light that creates discomfort or decrease in visibility.

Front 153

glazing factor:

Back 153

the ratio of interior illuminance at a given point on a given plant (usually the work plane) to the exterior illuminance under known overcast sky conditions. LEED uses a simplified approach for its credit compliance calculations. the variables used to determine the daylight factor include the floor area, window area, window geometry, visible transmittance (Tvis), and window height.

Front 154

global warming potential (GWP):

Back 154

a measure of how much a given mass of greenhouse gas is estimated to contribute to global warming. it is a relative scale that compares the gas in question to that of the same mass of carbon dioxide (whose GWP, by definition, is 1).

Front 155

grassed swale:

Back 155

trenches or ditches covered with vegetation to encourage subsurface infiltration, similar to infiltration basins and trenches. they utilize vegetation to filter sediment and pollutants from stormwater.

Front 156

graywater:

Back 156

defined by the Uniform Plumbing Code (UPC) in App. G as untreated household wastewater that has not come into contact with toilet waste. graywater includes water from bathtubs, showers, bathroom wash basins, and water from clothes washer and laundry tubs, but not wastewater from kitchen sinks or dishwashers.

Front 157

green cleaning:

Back 157

the use of cleaning products and practices that have reduced environmental impacts in comparison with conventional products and practices.

Front 158

greenfield:

Back 158

a site that has not been previously developed or graded and that remains in a natural state.

Front 159

greenhouse gas:

Back 159

gases such as carbon dioxide, methane, and CFCs that are relatively transparent to higher-energy sunlight, but which trap lower-energy infrared radiation.

Front 160

green rater:

Back 160

in LEED for Homes, an individual that performs field inspections and performance testing of LEED for Homes measures.

Front 161

group multi-occupant space:

Back 161

conference rooms, classrooms and other indoor spaces used as places of congregation for presentations, training sessions, and so on. individuals using these spaces share the lighting and temperature controls. group multi-occupant spaces do not include open office plans that contain standard individual workstations.

Front 162

halon:

Back 162

a substance used in fire suppression systems and fire extinguishers in buildings. halons deplete the stratospheric ozone layer.

Front 163

hard costs:

Back 163

in a building project, the costs of labor and materials. compare with soft costs.

Front 164

hardscape:

Back 164

structures such as fountains, benches and gazebos that are incorporated into a landscape design.

Front 165

hazardous waste:

Back 165

waste material that presents a risk to human or environmental health.

Front 166

heat island effect:

Back 166

urban air and surface temperatures that are higher than nearby rural areas. Principal contributing factors include greater numbers of dark, non-reflective surfaces such as roofs and parking lots, elimination of trees and vegetation, waste heat from vehicles, factories and air conditioners, and reduced airflow near tall buildings and narrow streets.

Front 167

high-efficiency particulate air (HEPA) filter:

Back 167

a filter designed to remove at least 99.97% of the airborne particles measuring .3 microns in diameter that pass through it.

Front 168

high-efficiency toilet:

Back 168

toilet that uses 1.3 gallons per flush or less.

Front 169

high-occupancy vehicle:

Back 169

a vehicle with more than one occupant

Front 170

high-volume copier:

Back 170

a machine used to copy many pages on a regular basis.

Front 171

Home Energy Rating System (HERS):

Back 171

part of the Energy Star program; evaluates a residential building energy consumption relative to IECC requirements.

Front 172

horizontal view at 42 inches:

Back 172

the approach used to confirm that the direct line of sight to perimter vision glazing remains available from a seated position. section drawings that include the installed furniture can be used to determine if a direct line of sight is present.

Front 173

HVAC systems:

Back 173

heating, ventilating, and air conditioning systems used to provide thermal comfort and ventilation for building interiors.

Front 174

hybrid vehicle:

Back 174

a vehicle that uses a gasoline engine to drive an electric generator and uses the electric generator and/or storage batteries to power an electric motor that drives the wheels.

Front 175

hydrochlorofluorocarbon (HCFC):

Back 175

a refrigerant used in a building equipment that depletes the stratospheric ozone layer, but to a lesser extent than a CFC.

Front 176

hydrofluorocarbon (HFC):

Back 176

a refrigerant that does not deplete the stratospheric ozone layer. however, some HFCs have high global warming potential and, thus, are not environmentally benign.

Front 177

hydronic system:

Back 177

heating/cooling system that uses water to transfer heat.

Front 178

illuminance:

Back 178

the luminous flux per unit area at any given point of an intercepting surface.

Front 179

impervious surface:

Back 179

a surface that promotes runoff of precipitation instead of infiltration into the subsurface. the imperviousness, or degree of runoff potential, can be estimated for different surface materials.

Front 180

imperviousness:

Back 180

resistance to penetration by a liquid, calculated as the percentage of area covered by a paving system that does not allow moisture to soak into the earth below the paving system.

Front 181

individual occupant workspaces:

Back 181

workspaces in which individuals occupy standard worksptations for the purpose of conducting individual tasks. these workstations can be located in private offices or multi-occupant spaces, such as open office areas.

Front 182

indoor adhesive, sealant, and/or sealant primer product:

Back 182

defined as an adhesive or sealant product applied on site, inside the building's weatherproofing system.

Front 183

indoor air quality (IAQ):

Back 183

the nature of air inside the space that affects the health and wellbeing of building occupants.

Front 184

indoor carpet system:

Back 184

carpet, carpet adhesive, or carpet cushion product installed on site, inside the building's weatherproofing system.

Front 185

indoor environmental quality (IEQ):

Back 185

a qualitative and quantitative evaluation of the air quality and other factors such as comfort, noise, lighting, ergonomic stressors (such as poorly designed workstations and tasks) and job-related psychosocial stressors.

Front 186

infill development:

Back 186

development of vacant or underused parcels within a developed urban area.

Front 187

infiltrate:

Back 187

to permeate something by penetrating its pores or interstices; to pass into by filtering or permeating.

Front 188

infiltration:

Back 188

uncontrolled inward air leakage to conditioned spaces through unintentional openings in ceilings, floors, and walls from unconditioned spaces or the outdoors caused by the same pressure differences that induce exfiltration.

Front 189

infiltration degree days:

Back 189

sum of heating and cooling degree days.

Front 190

infiltration basin and trench:

Back 190

land forms used to encourage subsurface infiltration of runoff through temporary surface storage.

Front 191

infrared emissivity

Back 191

also known as thermal emissivity, a parameter between 0 and 1, or 0% and 100%, that indicates the ability of a material to shed infrared radiation (heat).

Front 192

in situ remediation

Back 192

remediation of a site that involves treatment of contaminants without leaving the site, using technologies such as injection wells and reactive trenches. these methods utilize the hydraulic gradient of groundwater and usually require only minimal disturbance of the site.

Front 193

integrated part load value (IPLV):

Back 193

a measure of the efficiency of an air conditioner under a variety of conditions-that is, when the unit is operating at 25%, 50%, 75% and 100% of capacity and at different temperatures.

Front 194

integrated pest management (IPM):

Back 194

the coordinated use of pest and environmental information and pest control methods to prevent unacceptable levels of pest damage by the most economical means, and with the least possible hazard to people, property and the environment.

Front 195

interior lighting power allowance:

Back 195

the maximum light power in watts allowed for the interior of a building.

Front 196

interior nonstructural components reuse:

Back 196

determined by dividing the area of retained components by the larger of the area of the prior condition or the area of the completed design.

Front 197

International Building Code (IBC):

Back 197

a model building code published by the International Code Council (ICC) that provides complete regulations covering all major aspects of building design and construction relating to fire and life safety and structural safety.

Front 198

invasive plants (or invasive species):

Back 198

both indigenous and non-indigenous species and strains that are characteristically adaptable and aggressive, have a high reproductive capacity and tend to overrun the ecosystems the inhabit. collectively, they are one of the great threats to biodiversity and ecosystem stability.

Front 199

laminate adhesive:

Back 199

an adhesive used in wood and agrifiber products (veneered panels, composite wood products contained in engineered lumber, door assemblies, etc.)

Front 200

landfill:

Back 200

a waste diposal site for the deposit of solid waste from human activities.

Front 201

least-toxic pesticides:

Back 201

these include boric acid and disodium octoborate tetrahydrate; silica gels; diatomaceous earth; nonvolatile insect and rodent baits in tamper-resistant containers...

Front 202

life-cycle analysis (LCA):

Back 202

a holistic evaluation of the environmental effects of a product or activity, which analyzes the entire life cycle of a particular material, process, product, technology, service, or activity.

Front 203

life-cycle cost (LCC) analysis:

Back 203

a method of measuring the total cost of a system, device, building, or other investment over its expected useful life by summing the costs of the initial investment, replacements, operations, maintenance, and repair of an investment, and subtracting resale value.

Front 204

life-cycle inventory (LCI):

Back 204

an accounting of the energy and waste associated with the creation of a new product through use and disposal.

Front 205

light pollution:

Back 205

waste light from building sites that produces glare, compromises astronomical research, and adversely affects the environment. waste light is light that does not increase nighttime safety, utility, or security and needlessly consumes energy and natural resources.

Front 206

lighting power density (LPD):

Back 206

the installed lighting power per unit area.

Front 207

local heat island effect:

Back 207

higher air and surface temperatures in an area caused by absorption of solar energy by surrounding structures or surface materials.

Front 208

local zoning requirements:

Back 208

local government regulations imposed to promote orderly development of private lands and to prevent land use conflicts.

Front 209

low-impact development:

Back 209

defined by the US EPA as an approach to land development that attempts to manage stormwater as close to the source as possible.

Front 210

low-slope roof:

Back 210

a roof slope with an incline of less than 2 inches per foot.

Front 211

lot:

Back 211

parcel of land on which a project is built. lot boundaries are defined in the property owner's deed.

Front 212

lumen:

Back 212

a unit of luminous flux equal to the light emitted in a unit solid angle by a uniform point source of one candle intensity.

Front 213

makeup air:

Back 213

any combination of outdoor and indoor transfer air intended to replace exhaust air and exfiltration (ASHRAE 62.1)

Front 214

mass transit:

Back 214

transportation facilities designed to transport large groups of persons together in vehicles such as buses or trains.

Front 215

mechanical ventilation:

Back 215

ventilation provided by mechanical powered equipment, such as motor-driven fans and blowers, but not by devices such as wind-driven turbine ventilators and mechanically operated windows.

Front 216

MERV:

Back 216

stands for minimum efficiency reporting value. a measure of filture efficiency based on a test method established by ASHRAE. Values range from 1 (very low) to 16 (very high).

Front 217

metering controls:

Back 217

manual-on/automatic-off controls that are used to limit the flow time of water. these are most commonly installed on lavatory faucets and showers.

Front 218

methylmercury:

Back 218

any of a variety of toxic compounds of mercury containing the complex CH3Hg-that often occur as pollutants and that bioaccumulate in living organisms, especially in the higher levels of a food chain.

Front 219

microirrigation:

Back 219

irrigation systems with small sprinklers and microjets or drippers designed to apply small volumes of water. the sprinklers and microjets are installed within a few inches of the ground, while drippers are laid on or below grade.

Front 220

mitigated stormwater:

Back 220

precipitation falling on a site that does not become runoff. runoff is defined as stormwater leaving the site by means of uncontrolled surface streams, rivers, drains, or sewers. factors affecting stormwater mitigation include site perviousness, stormwater management practices (structural and nonstructural), and on-site capture and reuse of rainwater.

Front 221

mixed-mode ventilation:

Back 221

a ventilation strategy that combines natural ventilation with mechanical ventilation, allowing a building to be ventilated either mechanically, naturally, or, at times, using mechanical and natural ventilation simultaneously.

Front 222

monitoring points:

Back 222

locations where measurement sensors are installed.

Front 223

native/adapted vegetation:

Back 223

plants indigenous to a locality or cultivars of native plants that are adapted to the local climate and are not considered invasive species or noxious weeds.

Front 224

native plants:

Back 224

plants that have been adapted to a given area during a defined time period and are not invasive.

Front 225

natural area:

Back 225

areas covered with native or adapted vegetation or other ecologically appropriate features.

Front 226

natural ventilation:

Back 226

ventilation provided by thermal, wind, or diffusion effects through doors, windows, and other intentional openings in the building.

Front 227

net metering:

Back 227

a system of metering and billing that allows on-site generators to send excess electricity flows to the regional power grid. these electricity flows offset a portion of the electricity flows drawn from the grid.

Front 228

no-disturbance zone:

Back 228

area undisturbed during construction.

Front 229

non-flat coating:

Back 229

a coating that registers a gloss of 5 or greater on a 60-degree meter and gloss of 15 or greater on an 85-degree meter.

Front 230

non-friable:

Back 230

too hard to be reduced to dust by hand (often used to describe asbestos).

Front 231

non-occupied space:

Back 231

space used by maintenance personnel that is not open for use by occupants. janitorial, storage and equipment rooms are examples of non-occupied spaces.

Front 232

nonporous sealant:

Back 232

a substance used as a sealant on nonporous materials, such as plastic or metal. nonporous materials do not have openings in which fluids may be absorbed or discharged.

Front 233

nonpotable water:

Back 233

water that is not suitable for human consumption without treatment. the treatment method must meet or exceed EPA drinking water standards.

Front 234

non-regularly occupied space:

Back 234

corridors, hallways, lobbies, break rooms, copy rooms, storage rooms, kitchens, restrooms, stairwells, and so forth.

Front 235

non-roof impervious surface:

Back 235

any surface on a site with a perviousness of less than 50% no including the roof of the building.

Front 236

non-water using urinal:

Back 236

also called waterless urinal; a urinal that uses no water but instead replaces the water flush with a specially designed trap that contains a layer of buoyant liquid that floats above the urine layer.

Front 237

occupied zone:

Back 237

the region normally occupied by people within a space. Per AHRAE 55-2004, it is defined to generally consist of the space between the floor and 6 feet above the floor, more than 3.3 feet from outside walls/windows or fixed heating, ventilating, or air conditioning equipment, and more than 1 foot from internal walls.

Front 238

offgassing:

Back 238

the emission of volatile organic compounds from synthetic and natural products.

Front 239

on-site wastewater treatment:

Back 239

localized treatment systems designed to transport, store, treat and dispose of waste-water volumes generated on the project site.

Front 240

open site area:

Back 240

the total site area less the footprint of the building.

Front 241

open space area:

Back 241

defined by local zoning requirements; consult the authority having jurisdiction. if local zoning requirements do not clearly define open space, it is defined for the purposes of LEED as the property area minus the development footprint.

Front 242

open grid pavement:

Back 242

defined for LEED purposes as pavement that is less than 50% impervious and contains vegetation in the open cells.

Front 243

operation and maintenance staff:

Back 243

staff or contractors involved in operating, maintaining, and cleaning the building and site.

Front 244

outdoor air:

Back 244

the ambient air that enters a building through the ventilation system, through intentional openings for natural ventilation, or by infiltration (ASHRAE 62.1-2004).

Front 245

outdoor lighting zone definitions:

Back 245

Developed by IDA for the Model Lighting Ordinance, these definitions provide a general description of the site environment/context and basic lighting criteria.

Front 246

owner's project requirements (OPR):

Back 246

an explanation of the ideas, concepts, and criteria that the owner regards as important to the success of the project. previously called design intent.

Front 247

paints and coatings:

Back 247

defined by the Green Seal Standard GS-11 as "liquid, liquefiable, or mastic composition that is converted to a solid, protective, decorative, or functional adherent film after application as a thin layer.

Front 248

parking subsidy:

Back 248

the cost of providing occupant parking that is not recovered through parking fees.

Front 249

pedestrian access:

Back 249

a route by which pedestrians can walk to community services without being blocked by walls, freeways, or other barriers.

Front 250

percentage improvement:

Back 250

the percentage of energy cost savings for the proposes building performance versus the baseline building performance.

Front 251

permeable surfaces:

Back 251

materials used as a substitute for impermeable surfaces which allow runoff to infiltrate into the subsurface. these surfaces are typically maintained with a vacuuming regimen to avoid potential clogging and failure problems. porous pavement is one type of permeable surface.

Front 252

personal environmental controls (PEC):

Back 252

means by which individuals in a workspace can control heating, ventilation, and lighting (as opposed to being controlled by timers and sensors.)

Front 253

perviousness:

Back 253

the percentage of the surface area of a paving material that is open and allows moisture to pass through the material and soak into the earth below the paving system.

Front 254

phenol-formaldehyde:

Back 254

a type of formaldehyde that is offgassed only at high temperatures. it can be used in either indoor or outdoor products.

Front 255

photovoltaic energy:

Back 255

electricity produced by photovoltaic cells, which convert the energy in sunlight into electricity.

Front 256

picogram:

Back 256

one trillionth of a gram

Front 257

picograms per lumen hour:

Back 257

a measure of the amount of mercury in a lightbulb per unit of light delivered over its useful life.

Front 258

point source:

Back 258

a discrete conveyance of a pollutant, such as a pipe or human-made ditch. as stated in the NPDES Permit Program Basics, a point source is "any discernable, confined and discrete conveyance..."

Front 259

pollutant:

Back 259

defined by NPDES in the Clean Water Act as "any type of industrial, municipal, and agricultural waste discharged into water."

Front 260

polychlorinated biphenyl (PCB):

Back 260

any of a number of potentially toxic and environmentally persistent mixtures of synthetic organic chemicals that have similar chemical structures and physical properties.

Front 261

porous sealant:

Back 261

a substance used as a sealant on porous materials, such as wood, fabric, paper, corrugated paperboard, or plastic foam.

Front 262

post-consumer recycled content:

Back 262

the percentage of material in a product that is recycled from consumer waste.

Front 263

post-consumer waste:

Back 263

waste material generated by households or by commercial, industrial and institutional facilities in their role as end users of the product, which can no longer be used for its intended purpose. examples include construction and demolition debris, materials collected through curbside and drop-off recycling programs, broken pallets, discarded products and urban maintenance waste.

Front 264

post-consumer waste recycling:

Back 264

the recycling of materials collected from consumer waste following consumer use of the products containing these materials.

Front 265

post-industrial recycled content:

Back 265

the percentage of material in a product that is recycled from manufacturing waste.

Front 266

post-industrial waste recycling:

Back 266

the recycling of materials collected from industrial processes. this includes collection and recycling of waste from industrial processes within the same manufacturing plant or from another manufacturing plant.

Front 267

potable water:

Back 267

water suitable for drinking which is supplied from wells or municipal water systems.

Front 268

pre-consumer content:

Back 268

as defined in ISO 14021, material diverted from the waste stream during the manufacturing process. materials such as rework, regrind, and scrap that could be reclaimes within the same manufacturing process that generated them are excluded. examples in this category include planer shavings, polytrim, sawdust, chips, bagasse, sunflower seed hulls, walnut shells, culls, trimmed materials, print overruns, over-issue publications, and obsolete inventories.

Front 269

preferred parking:

Back 269

parking spots that are preferentially available to particular users, usually closer to the main entrance of the project, exclusive of spaces designated for handicapped.

Front 270

previously developed site:

Back 270

In LEED for Homes, "a lot consisting of at least 75% previously developed land."

Front 271

primer:

Back 271

a material applied to a substrate to improve the adhesion of a subsequently applied finish material or adhesive.

Front 272

prime farmland:

Back 272

defined in US CFR, Title 7, Part 657.5 as "land that has the best combination of physical and chemical characteristics for producing food, feed, forage, fiber and oilseed crops, and is also available for these uses."

Front 273

prior condition area:

Back 273

the total area of finished ceilings, finished floors, full height walls, and demountable partitions, interior doors and built-in case goods that existed when the project area was selected. exterior windows and exterior doors are not considered part of the prior condition area.

Front 274

process water:

Back 274

water used for industrial processes and building systems such as cooling towers, boilers, and chillers.

Front 275

productivity:

Back 275

the quantity and quality of employee output per unit time.

Front 276

property area:

Back 276

the total area within the legal property boundaries of a site, which encompasses all areas of the site, both constructed and non-constructed.

Front 277

proposed building performance:

Back 277

the annual energy cost calculated for a proposed design, as defined in ANSI/ASHRAE/IESNA Standard 90.1-2004, Informative App. G.

Front 278

provider:

Back 278

In LEED for Homes, "an organization that recruits, trains and coordinates LEED for Homes Green Raters to serve as third-party verifiers for LEED homes. Providers are the official certifiers of LEED for Homes on behalf of USGBC."

Front 279

radon:

Back 279

radioactive gas that vents from the ground. known to be carcinogenic.

Front 280

rapidly renewable material:

Back 280

an agricultural product, either fiber or animal, that takes 10 years or less to grow or raise and then harvest in an ongoing and sustainable fashion.

Front 281

rated power:

Back 281

the nameplate power on a piece of equipment. it represents the capacity of the unit and is the maximum a unit will draw.

Front 282

receptacle load:

Back 282

the electrical load due to all equipment plugged into the electrical system, from office equipment to refrigerators.

Front 283

recirculated air:

Back 283

the air removed from a space and reused as supply air.

Front 284

reclaimed material:

Back 284

salvaged or reused material integrated into a new project in its original state.

Front 285

recycled content:

Back 285

calculated by dividing the weight of recycled material by the total weight of an assembly.

Front 286

recycling:

Back 286

the collection, reprocessing, marketing, and use of materials that were diverted or recovered from the solid waste stream.

Front 287

refrigerants:

Back 287

the working fluids of refrigeration cycles. refrigerants absorb heat from a reservoir at low temperatures and reject heat at higher temperatures.

Front 288

regionally extracted materials:

Back 288

materials generated from a raw material within a 500-mil radius of the project site.

Front 289

regionally manufactured materials:

Back 289

materials which are assembled as finished products within a 500-mile radius of a project site. assembly, as used for this LEED definition, does not include on-site assembly, erection, or installation of finished components, as in structural steel, miscellaneous iron, or systems furniture.

Front 290

regularly occupied space:

Back 290

areas where workers are seated or standing as they work inside a building; in residential applications, this refers to living and family rooms.

Front 291

relative humidity:

Back 291

the ratio of partial density of water vapor in the air to the saturation density of water vapor at the same temperature and total pressure.

Front 292

remediation:

Back 292

the process of cleaning up a contaminated site by physical, chemical, or biological means.

Front 293

renewable energy:

Back 293

energy from sources that are renewed on an ongoing basis, such as sun, wind, and small hydro-power. the sun's energy can be captures through photovoltaic or thermal solar energy systems. it can be captured through bioenergy (energy generated from a crop, such as ethanol from corn); however, the amount of bioenergy captured must be weighed against the amount of fossil fuel energy consumed to produce it.

Front 294

renewable energy certificate (REC):

Back 294

a representation of the environmental attributes of green power, sold separately from the electrons that make up the electricity. RECs allow the purchase of green power even when the electrons are not purchased.

Front 295

Resource Conservation and Recovery Act (RCRA):

Back 295

RCRA focuses on active and future facilities. enacted in '76, it gives the EPA authority to control hazardous wastes from cradle to grave, including generation, transportation, treatment, storage, and disposal. some non-hazardous wastes are also covered under RCRA.

Front 296

retained components:

Back 296

the portions of the finished ceilings, floors, full height walls and demountable partitions, interior doors and built-in case goods that existed in the prior condition and remain in the completed design.

Front 297

return air:

Back 297

air removed from conditioned spaces that is either recirculated through the building or exhausted to the outside.

Front 298

reuse:

Back 298

a strategy to return materials to active use in the same or a related capacity.

Front 299

risk assessment:

Back 299

a methodology used to analyze potential health effects caused by contaminants in the environment. Information from the risk assessment is used to determine cleanup levels.

Front 300

R-Value:

Back 300

measure of thermal resistance.

Front 301

salvaged materials:

Back 301

construction materials recovered from existing buildings or construction sites and reused in other buildings. common salvaged materials include structural beams and posts, flooring, doors, cabinetry, brick and decorative items.

Front 302

salvaged material (offsite):

Back 302

building materials recovered from an off-site source.

Front 303

salvaged materials (onsite):

Back 303

building materials recovered from and reused at the same building site.

Front 304

sealant:

Back 304

any material with adhesive properties that is formulated primarily to fill, seal, or waterproof gaps or joints between two surfaces.

Front 305

seasonal affective disorder (SAD):

Back 305

a form of depression triggered by a decrease in exposure to sunlight.

Front 306

sedimentation:

Back 306

the addition of soils to bodies of water by natural or human-related activities. sedimentation decreases water quality and accelerates the aging process of lakes, rivers and streams.

Front 307

setpoint:

Back 307

a normal range outside which an automatic control system will take action.

Front 308

shared (group) multi-occupant space:

Back 308

includes conference rooms, classrooms, and other indoor spaces used as places of congregation. individuals who use these spaces share the lighting and temperature controls. these spaces should have, at a minimum, a separate zone with accessible thermostat and air-flow control.

Front 309

sick building syndrome (SBS):

Back 309

a situation in which the occupants of a building experience acute discomfort and poor health effects after time spent in the building, often with symptoms disappearing soon after leaving the building, but without any specific identifiable cause.

Front 310

site assessment:

Back 310

an evaluation of aboveground (including facilities) and subsurface characteristics of a site, including its geology and hydrology, to determine whether a release of some type of pollutant has occurred, as well as its extent and concentration. information gathered during a site assessment is used to support remedial action decisions.

Front 311

soft costs:

Back 311

include design fees, taxes, permit fees, office and project management expenses directly related to the project, insurance, legal fees, closing costs and finance charges, and contingency monies.

Front 312

soil waste:

Back 312

unneeded or unusable soil from construction, demolition or renovation projects.

Front 313

solar heat gain coefficient (SHGC):

Back 313

measure of a window's effectiveness in blocking heat.

Front 314

solar reflectance:

Back 314

a measure of the ability of a surface material to reflect visible, infrared, and ultraviolet light, measured on a scale of 0 to 1. by definition, white paint (titanium dioxide) has a solar reflectance of 1, while black paint has a solar reflectance of 0. solar reflectance is also called albedo.

Front 315

solar reflectance index (SRI):

Back 315

a measure of a material's ability to reject solar heat, as shown by a small temperature rise. by definition a standard black is 0 and a standard white is 100.

Front 316

source reduction:

Back 316

reducing waste by reducing the amount of unnecessary material brought into a building. purchasing products with less packaging is an example of source reduction.

Front 317

space occupied for critical visual tasks:

Back 317

rooms used for tasks like reading and computer monitor use.

Front 318

square footage of a building:

Back 318

the total area in square feet of all rooms of a building, including corridors, elevators, stairwells and shaft spaces.

Front 319

steep-slope roof:

Back 319

a roof slope with an incline equal to or greater than 2 inches per foot (9.5 degrees).

Front 320

stormwater runoff:

Back 320

water volumes created during precipitation events which flow over surfaces into sewer systems or receiving waters. all water from precipitation that leaves the project site boundaries on the surface is considered to be stormwater runoff volumes.

Front 321

submetering:

Back 321

metering added to a building's owner and managers to track water and energy use and where it is occurring. submetering is in addition to meters installed by utility companies for billing purposes; it can be used to bill utility use to building tenants.

Front 322

supply air:

Back 322

the air delivered by mechanical or natural ventilation to a space, composed of any combination of outdoor air, recirculated air, and transfer air.

Front 323

sustainable forestry:

Back 323

the practice of managing forest resources in a manner that meets the long-term forest product needs of humans while maintaining the biodiversity of forested landscapes.

Front 324

sustainable purchasing policy:

Back 324

the preferential purchasing of products that meet sustainability standards.

Front 325

sustainable purchasing program:

Back 325

includes the development, adoption and implementation of an organizational policy that outlines the types of materials that should be purchased to meet specified sustainability criteria. this can include office paper, office equipment, furniture, furnishings, and other types of building materials for use in the building and on the site.

Front 326

swale:

Back 326

a low lying and often wet stretch of land. artificially-constructed swales are often used to control water run-off

Front 327

system lifetime:

Back 327

the length of time from installation to until a system needs to be replaced.

Front 328

system operator:

Back 328

a facility management staff person who is responsible for the operation of the building and for receiving and responding to HVAC system out-of-range performance alarms.

Front 329

system performance testing:

Back 329

the process of determining the ability of a commissioned system to perform in accordance with the owner's project requirements, basis of design, and construction documents.

Front 330

tertiary treatment:

Back 330

the highest form of wastewater treatment, which includes the removal of nutrients, and organic and solid material, along with biological or chemical polishing (generally to effluent limits of 10mg/L BOD5 and 10mg/L TSS).

Front 331

thermal bridge:

Back 331

an area within the building envelope where heat transfers from inside to outside or vice versa.

Front 332

thermal comfort:

Back 332

a condition of mind experienced by building occupants expressing satisfaction with the thermal environment.

Front 333

thermal emissivity (or thermal emittance):

Back 333

the ratio of the radiant heat flux emitted by a sample to that emitted by a blackbody radiator at the same temperature.

Front 334

thermal envelope:

Back 334

building exterior and insulation.

Front 335

threatened species:

Back 335

an animal or plant species that is likely to become endangered within the foreseeable future.

Front 336

tipping fees:

Back 336

fees charged by a landfill for disposal of waste. the fee is typically quoted per ton of waste.

Front 337

total phosphorous (TP):

Back 337

organically bound phosphates, polyphosphates and orthophosphates in stormwater, most of which originate with fertilizer application. chemical precipitation is the typical removal mechanism for phosphorous.

Front 338

total suspended solids (TSS):

Back 338

particles or flocs that are too small or light to be removed from stormwater by settling. suspended solid concentrations are typically removed by filtration.

Front 339

tuck-under parking:

Back 339

a ground-level parking area established with the building footprint.

Front 340

turbidity:

Back 340

stirred-up or suspended sediment in water. turbidity in lakes and estuaries affects water clarity, light penetration, and suitability as a habitat for aquatic plants and animals.

Front 341

underground parking:

Back 341

a tuck-under or stacked parking structure that minimized the exposed parking surface area.

Front 342

ureaformaldehyde:

Back 342

a combination of urea and formaldehyde used in some glues; it may emit formaldehyde at room temperature.

Front 343

utility metering:

Back 343

the use of meters by utilities to measure consumption.

Front 344

U-value:

Back 344

measure of thermal conductivity. the inverse of R-value.

Front 345

variable air volume (VAV):

Back 345

a type of HVAC system that varies the volume of conditioned air delivered to rooms.

Front 346

vegetated (green) roof:

Back 346

a roof of a building that is partially or completely covered with vegetation and soil or another growing medium planted over a waterproofing membrane.

Front 347

vegetated filter strip:

Back 347

strips of vegetation designed to filter sediment and pollutants from stormwater. strips are appropriate for treating low-velocity surface sheet flows in areas where runoff is not concentrated. they are often used as pretreatment for other stormwater measures, such as infiltration basins and trenches.

Front 348

vegetated roof:

Back 348

roof partially or fully covered by vegetation which can minimize runoff and moderate interior temperatures.

Front 349

ventilation:

Back 349

the process of supplying air to and removing air from interior spaces by natural or mechanical means for the purpose of controlling air contaminant levels, humidity, or temperature within the space.

Front 350

verification:

Back 350

the full range of checks and tests carried out to determine if all components, subsystems, systems, and interfaces between systems operate in accordance with the contract documents. in this context, "operate" includes all modes and sequences of control operation, interlocks, and conditional control responses, and specified responses to abnormal or emergency conditions.

Front 351

visible transmittance (Tvis):

Back 351

The fraction of visible light that passes through a glazing surface. A higher Tvis value indicates that a greater amount of visible spectrum incident light is passing through the glazing.

Front 352

vision glazing:

Back 352

Glazing that provides views of outdoor landscapes to building occupants for vertical windows between 2.5 feet and 7.5 feet above the floor. windows above and below this range do not count as vision glazing for LEED credits.

Front 353

volatile organic compound (VOC):

Back 353

organic compounds that vaporize (become a gas) at normal room temperatures. the specific organic compounds addressed by the referenced Green Seal Standard GS-11 are identified in US EPA Refence Test Method 24.

Front 354

walk-off mats:

Back 354

mats placed inside or outside building entrances to remove dirt from people's feet and equipment entering the building.

Front 355

waste disposal:

Back 355

the process of eliminating waste by means of a burial in a landfill, combustion in an incinerator, dumping at sea, or some other way that is not recycling or reuse.

Front 356

waste diversion:

Back 356

waste management activities that divert waste from disposal through incineration or landfilling. typical waste diversion methods are reuse and recycling.

Front 357

waste reduction policy:

Back 357

a policy that includes (1) a statement describing the organization's commitment to minimizing waste disposal by using source reduction, reuse, and recyling, (2) assignment of a responsibility within the organization for implementation of waste reduction program, (3) a list of general actions that will be implemented in the waste reduction program, and (4) a description of the tracking and review component in the waste reduction program to monitor waste reduction and improve waste reduction over time.

Front 358

watershed:

Back 358

a drainage basin. the extent of land where water from rain or snow melt drains downhill into a body of water such as a lake, river, dam, estuary, wetland, or sea. the drainage basin includes the streams and rivers that convey the water, as well as the land surfaces from which water drains into those channels, separated from adjacent basins by drainage divides.

Front 359

weathered radiative property:

Back 359

the solar reflectance and thermal emissivity of a roofing product after three years of exposure to the weather.

Front 360

wetland vegetation:

Back 360

plants that require saturated soils to survive and certain tree and other plant species that can tolerate prolonged wet soil conditions.

Front 361

wood waste:

Back 361

unneeded or unusable wood from construction, demolition, or renovation projects.

Front 362

Workplace Hazardous Materials Information System (WHMIS):

Back 362

The Canadian standard of hazard communication, which incorporates cautionary labeling of containers of controlled products, the use of material safety data sheets (MSDS), and worker education and training programs.

Front 363

xeriscaping:

Back 363

landscaping that does not require supplemental irrigation, using plants whose need for water is matched to the local climate, and preparing the soil to reduce water loss to evaporation and runoff.

Front 364

zero emissions vehicle (ZEV):

Back 364

a vehicle that produces no emissions or pollution when stationary or operatin.

Front 365

What are the four categories where credits may be earned under LEED ND

Back 365

Smart Location and Linkages
Neighborhood Pattern and Design
Green Infrastructure and Buildings
Innovation and Design Process

Hint 365

pg. 41

Front 366

What are the three additional categories where credits may be earned under LEED for Homes?

Back 366

Innovation and Design Process
Locations and Linkages
Awareness and Education

Hint 366

pg. 39

Front 367

What are the 9 principles of Integrated Project Delivery?

Back 367

mutual respect and trust
mutual benefit and reward
collaborative innovation and decision making
early involvement of key participants
early goal definition
intensified planning
open communication
appropriate technology
organization and leadership

Hint 367

pg. 55