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LEED > Glossary > Flashcards

Glossary Flashcards

1
Q

abandoned property

A

property left behind intentionally + permanently

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2
Q

abandoned land

A

land not being used at present time, may have utilities and infrastructure in place

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3
Q

Are an easement or other land rights defined as abandoned property because they’re not being used?

A

No

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4
Q

adapted plant

A

not native to the region

has characteristics that allow it to live in the area

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5
Q

do adapted plants pose the same problems as invasive species?

A

No

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6
Q

added antimicrobial treatment or

added microbial agent

A

substance added to a product to kill or inhibit the growth of micro-organisms

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7
Q

name a product that exhibits natural antimicrobial properties

A

linoleum

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8
Q

Has science proven that antimicrobial treatments reduce infection transfer in building products more effectively than standard cleaning products?

A

No

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9
Q

adjacent site

A

at least 25% of its boundary borders parcels that are previously developed sites

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10
Q

In calculating boundaries to determine whether a site is an adjacent site, what is not considered and excluded?

A

Intervening rights-of-way, and any fraction of the boundary that borders a water body

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11
Q

alternative daily cover (ADC)

A

Material used to cover a solid waste landfill at the end of each day

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12
Q

What is ADC used to control in a landfill?

A

Vectors, fires, odors, blowing litter, and scavenging

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13
Q

alternative fuel

A

low-polluting, non-gasoline fuels

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14
Q

7 examples of alternative fuels

A

electricity, hydrogen, propane, compressed natural gas, liquid natural gas, methanol, ethanol

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15
Q

alternative water source

A

source of non-potable water other than public utilities, on-site surface sources, and subsurface freshwater

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16
Q

5 examples of alternative water sources

A

graywater, on-site reclaimed water, rainwater, captured condensate, and rejected water from reverse osmosis systems

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17
Q

What is the annual sunlight exposure (ASE) metric used to describe?

A

The potential for visual discomfort in interior work environments

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18
Q

What is annual sunlight exposure measured as?

A

The percentage of an analysis area that exceeds a specified direct sunlight illuminance level more than a specified number of hours per year

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19
Q

What does ADC stand for?

A

Alternative daily cover

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20
Q

What does ASE stand for?

A

Annual sunlight exposure

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21
Q

appurtenance

A

A built-in, non-structural portion of a roof system

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22
Q

5 examples of appurtenances

A

Skylights, ventilators, mechanical equipment, partitions, solar energy panels

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23
Q

What does ASE1000,250 report?

A

The percentage of sensors exposed to more than 1000 lux of sunlight for more than 250 hours per year before blinds are deployed to block sunlight

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24
Q

assembly

A

A product formed from multiple materials (e.g. concrete) or a product made up of subcomponents (e.g. a workstation)

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25
Q

attendance boundary

A

school district boundaries

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26
Q

average LED intensity (ALI)

A

illumination output for LED lamps

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27
Q

What standard specifies the illumination output for LED lamps?

A

International Commission on Illumination Standard 127-2007

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28
Q

base building

A

materials and products that make up the building

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29
Q

Does the base building include flooring and wall coverings?

A

Yes, it includes things that are permanently and semi-permanently installed in the project

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30
Q

casework

A

box-shaped woodwork like dressers, desks, and tables

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31
Q

What does ALI stand for?

A

average LED intensity

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32
Q

baseline building performance

A

annual energy cost for a building design; used as a baseline for comparison with an above-standard design

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33
Q

baseline condition

A

Before LEED project was initiated. State of the project site on the date the developer acquired rights to a majority of its buildable land

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34
Q

baseline water consumption

A

A comparison of water use with and without the designed improvements

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35
Q

What two cases for building water use are compared in baseline water consumption?

A

First case - code-compliant fixtures with no additional savings
Second case - design case or actual water meter data

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36
Q

basis of design (BOD)

A

Information necessary to accomplish the owner’s project requirements

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37
Q

What does BOD stand for?

A

basis of design

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38
Q

What four categories of information are included in a basis of design?

A

(1) system descriptions
(2) indoor environmental quality criteria
(3) design assumptions
(4) references to applicable codes, standards, regulations, and guidelines

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39
Q

What three types of paths can comprise a bicycle network?

A

(1) off-street bike paths or trails
(2) on-street bicycle lanes
(3) streets designed for 25 mph

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40
Q

How wide does an off-street bike path need to be to be considered part of a bicycle network?

A

At least 8 feet wide for a 2-way path and at least 5 feet wide for a 1-way path

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41
Q

How wide does a bike lane need to be to be considered part of a bicycle network?

A

At least 5 feet wide

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42
Q

bicycling distance

A

The distance between origin and destination if you ride entirely on a bicycle network

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43
Q

bio-based material

A

Non-food products made entirely or mostly of biological products, renewable agricultural materials, or forestry materials

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44
Q

What is the limitation that LEED places on bio-based material?

A

For the purposes of LEED, bio-based material excludes leather and animal hides.

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45
Q

blackwater

A

Water that must be discharged to the sanitary drainage system, according to the International Plumbing Code.

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46
Q

What’s included in blackwater?

A

Water containing urine or feces. Some state or local codes also consider water from kitchen sinks, showers, or bathtubs as blackwater.

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47
Q

What does PEER stand for?

A

Performance Excellence in Electricity Renewal

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48
Q

What does TRUE stand for?

A

Total Resource Use and Efficiency

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49
Q

What are the 8 areas that LEED projects address?

A 
Carbon
Energy
Water
Waste
Transportation
Materials
Health
Indoor environmental quality
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50
Q

How many points to be LEED certified?

A

40-49 points

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51
Q

How many points to be LEED Silver certified?

A

50-59 points

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52
Q

How many points to be LEED Gold certified?

A

60-79 points

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53
Q

How many points to be LEED Platinum certified?

A

80+ points

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54
Q

blowdown

A

removing makeup water from a cooling tower or recirculation system to reduce dissolved solids

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55
Q

How does an evaporative condenser condense refrigerant?

Why does this mean that impurities in the supply water are a concern?

A

An evaporative condenser obtains its ability to condense the refrigerant by evaporating a portion of the water recirculated over the condensing coil. As the water evaporates, any impurities present in the supply water remain in the unit.

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56
Q

brownfield

A

property or development plans which may be complicated by pollutants

57
Q

BUG rating

A

a luminaire classification system that classifies lights by: B (backlight), U (uplight) and G (glare)

58
Q

Where is the BUG rating from

A

The IES / IDA Model Lighting Ordinance (MLO)

59
Q

What do IES and IDA stand for?

A

Illuminating Engineering Society and International Dark-Sky Association

60
Q

buildable land

A

The part of a site where construction can occur

61
Q

Name two types of land that buildable land excludes when used in density calculations

A

Public rights of way and land excluded from development by law

62
Q

building exterior

A

A structure’s primary and secondary weatherproofing system and all building elements outside that system

63
Q

building interior

A

everything inside a structure’s weatherproofing membrane

64
Q

bus rapid transit

A

enhanced bus system that operates on exclusive transit rights of way, such as bus lanes

65
Q

carbon offset

A

a unit of CO2 equivalent that is reduced, avoided, or sequestered

66
Q

chain of custody (CoC)

A

a procedure that tracks a product from harvest to end use

67
Q

What does CoC stand for?

A

chain of custody

68
Q

charrette

A

an intensive multiparty workshop to collaboratively produce design optioins

69
Q

chlorofluorocarbon (CFC)-based refrigerant

A

a fluid containing hydrocarbons that absorbs heat from a reservoir at low temperatures and rejects heat at higher temperatures

70
Q

Why are CFC’s harmful to the environment?

A

They cause depletion of the stratospheric ozone layer

71
Q

civil twilight

A

When the center of the sun is geometrically 6 degrees below the horizon - at dawn or dusk

72
Q

When is the best time to distinguish terrestrial objects clearly under good weather conditions?

A

Civil twilight

73
Q

Why is civil twilight important from a lighting design perspective?

A

To tell when artificial light is normally required to carry on outdoor activities

74
Q

classroom or core learning space

A

a space regularly used for educational activities

75
Q

What standard refers to classroom or core learning space?

A

ANSI S12.60

76
Q

clean waste

A

nonhazardous materials left over from construction and demolition

77
Q

Name two materials that are excluded from clean waste

A

Lead and asbestos

78
Q

clear glazing

A

Window glass that you can see through

79
Q

diffused glazing

A

Window glass that is used only for daylighting - you can’t see clearly through it

80
Q

closed-loop cooling

A

A system that acts as a heat sink for heat-rejecting building and medical equipment by recirculating water

81
Q

Do all closed-loop cooling systems use potable water?

A

No

82
Q

What’s an example of non-potable water that can be used in a closed-loop cooling system?

A

Recycled process water harvested from an air handlers’s cooling coil condensate

83
Q

What does LCA stand for?

A

life cycle assessment (of GHG emissions)

84
Q

color rendering index

A

a measurement that compares how an artificial light source displays hues as compared with an incandescent light

85
Q

what scale does a color rendering index use? what do higher numbers indicate?

A

0 to 100

The higher the index number, the more accurately the light is rendering colors

86
Q

What is the color rendering index of incandescent lighting?

A

Above 95

87
Q

What is the color rendering index of standard high-pressure sodium lighting, such as orange-hued roadway lights?

A

Approximately 25

88
Q

What is the color rendering index of many fluorescent lights which use rare earth phosphors?

A

80 and above

89
Q

combination oven discharge

A

Water released from an oven that includes a steam cycle or steam option

90
Q

combined heat and power

A

An integrated system that captures unused heat and produces electrical power

91
Q

What is combined heat and power (CHP) also known as?

A

Cogeneration

92
Q

commingled waste

A

Building waste streams that are combined and hauled away for sorting into recyclable streams

93
Q

What is commingled waste also known as?

A

Single-stream recycling

94
Q

commissioning (Cx)

A

The process of verifying and documenting that a building meets the owner’s project requirements

95
Q

commissioning authority (CxA)

A

The person who leads commissioning process activitie

96
Q

conductivity

A

The measurement of the level of dissolved solids in water using electric current

97
Q

Is conductivity affected by temperature?

A

Yes

98
Q

What temperature is conductivity measured at for standardization?

A

25°C

99
Q

conventional irrigation

A

A region’s most common system for watering plants by non-natural means

100
Q

What is a common conventional irrigation system?

A

Using pressure to deliver water and distribute it through sprinkler heads

101
Q

cooling tower blowdown

A

The water discharged from a cooling tower

102
Q

Why would water typically be discharged from a cooling tower?

A

Because salinity or alkalinity has caused scaling

103
Q

Why wouldn’t you use cooling tower blowdown in landscape irrigation?

A

It may be too saline

104
Q

cradle-to-gate assessment

A

Analysis of a product’s partial life cycle

105
Q

What phases does cradle-to-gate assessment omit?

A

Use and disposal

106
Q

cultural landscape

A

An officially designated geographic area that includes cultural and natural resources associated with something that has cultural value (like a person, event, or activity)

107
Q

current facilities requirements (CFR)

A

the implementation of the owner’s project requirements, developed to confirm the owner’s current operational needs and requirements

108
Q

What does CFR stand for?

A

Current facilities requirements

109
Q

dedicated storage

A

A designated area sized and allocated for a specific task

110
Q

Where can you find information about handling or disposal methods for sensitive waste streams like mercury, sensitive documents, batteries, or biomedical waste?

A

The municipality’s safe storage and disposal procedures, or EPA guidelines

111
Q

demand response (DR)

A

A change in electricity use by demand-side resources in response to changes in the price of electricity or to incentive payments

112
Q

Why are incentive payments part of demand response?

A

Incentive payments may be designed to induce lower electricity use when market prices are high or when the system reliability is jeopardized

113
Q

demand response (DR) vent

A

a specific period of time when the utility or ISO calls for a change in electricity use from its program participants

114
Q

What is a demand response event also called?

A

A curtailment event.

115
Q

What does BPDO stand for?

A

Building product disclosure and optimization

116
Q

demountable partition

A

a temporary interior wall

117
Q

Where in particular might demountable partitions be prevented from being used, and why?

A

In a health care facility, where acoustical concerns or embedded equipment, like in a surgery suite, may exist

118
Q

densely occupied space

A

where the design occupant density is 25+ people per 1000 square feet

119
Q

density

A

A measure of the total building floor area or dwelling units relative to the buildable land on a parcel of land

120
Q

Does density include structured parking?

A

No

121
Q

departmental gross area (DGA)

A

The floor area of a clinical department

122
Q

What does DGA stand for?

A

Departmental gross area

123
Q

How is departmental gross area calculated?

A

From the centerline of the walls separating the department from adjacent spaces

124
Q

Are walls and circulation spaces within a department’s area included in the departmental gross area calculation?

A

Yes

125
Q

development footprint

A

the total land area of a project site covered by buildings, streets, parking areas and other typically impermeable surfaces constructed as part of the project

126
Q

differential durability

A

when two materials with different life spans make up one component

127
Q

Why is differential durability important in the context of green building?

A

Because if one material wears out and can’t be separated or replaced, the whole product must be thrown away

128
Q

direct access

A

Seems to be a hospital-related concept. A means of entering a space without having to leave the floor or pass through another room, like another patient’s room or a major public space

129
Q

direct sunlight

A

An interior horizontal measurement of 1,000 lux or more of direct beam sunlight

130
Q

What is accounted for in the measurement of direct sunlight?

A

window transmittance and angular effects

131
Q

What does direct sunlight exclude?

A

The effect of blinds

132
Q

What are two things that cannot contribute to the direct sunlight measurement?

A 
Reflected light (i.e. zero bounce analysis)
Diffuse sky component
133
Q

What organization provides the definition of direct sunlight?

A

IES

134
Q

district energy system (DES)

A

A central energy conversion plant and transmission and distribution system that provides thermal energy to a group of buildings

135
Q

What’s an example of a district energy system?

A

A central cooling plant on a university campus

136
Q

What is not an example of a district energy system?

A

A central energy system that provides only electricity

137
Q

What does DES stand for?

A

district energy system

138
Q

diverse use

A

a distinct, publicly available business that provides goods or services intended to meet daily needs

139
Q

What is not included in “diverse use”?

A

Automated facilities such as ATMs or vending machines

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