Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

LHAP Year 4 > 404 Sustainable Landscape Tech > Flashcards

404 Sustainable Landscape Tech Flashcards

1
Q

The 5 key steps in green roof instillation are

A

Pre-design. Design. Contracting. Instillation. Maintenance.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

The 4 team members involved in a green roof are

A

Horticulturists. Architects. Engineers. Roofing company.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What 3 plant groups would be used on a extensive green roof

A

Sedums, Mosses, Perennials

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What 3 plant groups would be used on semi-extensive green roof

A

Perennials. Small Shrubs. Lawns

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What 3 plant groups would be used on an intensive green roof

A

Shrubs, Trees, Lawns.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is the maximum pitch of an intensive green roof

A

5%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Is irrigation required on a extensive green roof

A

No. Unless they are sloped or in southern areas

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Do semi-extensive and intensive green roofs require irrigation

A

Yes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Which green roof style is has the lowest maintenance and cost

A

Extensive green roofs.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Which green roof would require the most depth of growing media

A

Intensive green roof

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Do Intensive green roofs accommodate human use

A

Yes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Installation components referred to as Black Arts are critical Non-living elements or living architectural components

A

Non-living elements

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Installation components referred to as Green Arts are critical Non-living elements or living architectural components

A

Living architectural components

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Waterproofing would be a Green or a Black art

A

Black Art

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Drainage and root barriers are Green or Black Arts

A

Black Art

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

The very first layer of a green roof is

A

The load bearing component

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Hardscaping would be a green or black art

A

Black art

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Are paving stones used on a green roof typically as thick as paving stones used for on-ground hardscaping

A

No, they are typically thinner

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Be lightweight and able to drain (high Pt)
Have water holding capacity
What causes plants to use/lose water
Be anchored so it doesn’t blow off the roof! (Systems such as parapets, grids and strapping, or Db / mat type media)
Be capable of supporting life longer term (high CEC / stability for 50 years). These are all musts for

A

Green Roof Media

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Coarse Sands, Diatomaceous Earth, Expanded Clay, Perlite, Rock Wool, Pumice, Scoria, Vermiculite, and Zeolite. These media components are added for

A

Porosity and CEC

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Scoria is what

A

Volcanic rock that SINKS in water.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

High CEC aluminosilicate minerals used for porosity and CEC is called

A

Zeolite

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Being able to survive extreme exposures
Being capable of adapting to moisture extremes
Having root systems that thrive in relatively shallow soil profile. These are all musts for

A

Vegetation used on green roofs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Are irrigation systems always necessary for a green roof.

A

No

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

What 3 factors effect the need for irrigation on a green roof

A

Climate. Media. Plant type

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Is weeding still needed on a green roof

A

Yes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Are prescribed burns a fire management strategy employed to control fire risk on a green roof

A

Yes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Do extensive green roofs require fall arrest systems for workers

A

Yes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

GRP stands for

A

Green Roof Professional

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

The weight of a completed extensive green roof is between

A

75-180kg

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

The weight of a completed intensive green roof is between

A

500-2000kg

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

Weight on a green roof is considered to be saturated or unsaturated

A

Saturated

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

The purpose of the root barrier is too ensure

A

There is not root incursion into the substrate layer.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

What is the classic way of testing waterproofing on a green roof

A

The bathtub test

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

What is the newer way of testing waterproofing on a green roof

A

Low voltage electric conductance or High Voltage Spark Testing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

What is the projected lifespan of a green roof

A

250 years

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

Because of the lifespan of green roof media what does green roof media need to be

A

Stable

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

Could be shale or slate. Super heated minerals are expanded. This describes which green roof media component

A

Expanded clay

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

Soft, chalk like, sedimentary rock. Crumbles into powder. 86% silica, 5% sodium, 3% magnesium, 2% iron. This describes which green roof media component

A

Diatomaceous Earth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

Manufactured from rock. Can be in block or mat format. This describes which green roof media component

A

Rock Wool

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

What is the definition of a living wall

A

A supported vertical system

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

What are two benefits of Green Roofs

A

Reduce Urban Heat Islands and Stormwater management

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

Vegetation, Growing medium, Irrigation and Drainage in one system. These are all components of

A

Living Walls

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

Transpirational cooling, Biophilia. Urban Agriculture. Heating a cooling benefits. Air purification. Sound barriers. Are benefits of ? and ?

A

Green roofs and Living walls.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

What are the 2 primary types of Living Walls

A

Modular. Integrated.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q

System of containers mounted to a structural or free standing wall. This describes what type of living wall

A

Modular

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q

Soil, water, and plants built into the wall itself. This describes what type of living wall

A

Integrated

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
48
Q

Arguably, the most viable in Alberta… although not always considered “living walls”. This describes ?

A

Green Facades

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
49
Q

Common green wall Epiphyte plants include

A

Orchids, Bromeliads, Christmas Cactus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
50
Q

Common green wall Hydrophytes include

A

Water Lily, Cypress Grass, Arum Lily

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
51
Q

Common Wetland, Rainforest (Shade - Sun) Geophytes for green walls include

A

Inch Plant, Spider Plant

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
52
Q

Common Wetland, Rainforest (Shade) Geophytes include

A

Peace Lily, Golden Pothos.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
53
Q

Plants that live in the Under Canopy are known as

A

Epiphytes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
54
Q

Plants growing at Ground Level are known as

A

Geophytes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
55
Q

Plants growing in or on water a known as

A

Hydrophytes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
56
Q

The key to succesfully using plant material in any space is

A

Site Inventory analysis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
57
Q

Right plant for the right place refers to

A

Site Inventory Analysis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
58
Q

5 Things to consider in site inventory analysis includes

A

Lighting. Moisture. Porosity of the media. Climate. What plant material is wanted.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
59
Q

The biggest concern with fertigation is

A

Salt build up in the soil.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
60
Q

The one thing with interior maintenance of living walls is that sometimes a ? certificate is needed

A

Lift certification

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
61
Q

White crusting on soil is a sign of

A

A build up of salts.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
62
Q

Purpose built gardens that handle large amounts of water, debris and minerals found in runoff. This describes a

A

Rain Garden

63
Q

Storm water runoff comes from (3pnts)

A

Roof of buildings. Landscapes. Hardscapes - parking lots & roads

64
Q

Rain gardens are designed to be

A

Drained.

65
Q

Two methods for drainage in rain gardens are

A

Under-drains. Percolation.

66
Q

Groundwater recharge =

A

Catchment

67
Q

Slow and direct flow =

A

Swales

68
Q

The professional name for a rain garden is

A

Bioretention cell.

69
Q

A high water table is defined as

A

Water within 1.2m of the soil surface

70
Q

Should there be ever be standing water in a rain garden days after a rain event

A

No

71
Q

How far must rain gardens be from the foundation of a building

A

3m

72
Q

What is the maximum slope for a raingarden

A

12%

73
Q

Sizing constant for a rain garden is based on

A

Distance away from house.

74
Q

What are the 10 layers shown here

A
  1. Load bearing component. 2. Insulating system. 3. Waterproofing 4. Drainage 5. Filter. 6. Substrate. 7. Vegetation. 8. Rainwater drainage. 9. Perimeter intervention. 10. Separation devices
75
Q

What are the top two benefits of Green Roofs that are causing them to gain traction worldwide in urban centers (solutions to worldwide problems)

A

Urban Heat Island reduction and Storm Water management

76
Q

An extensive green roof must have

A

A Fall Arrest cable for maintenance workers to tie onto

77
Q

The Green Roof components starting at the BOTTOM (on top of the plywood sheeting) and going up. (7pnts)

A

Sheeting, Waterproofing, Root Barrier, Drainage, Filter Fabric, Media, Plants

78
Q

Which component may be omitted from the green roof design if the media is a mat type product?

A

Filter Fabric

79
Q

Which component of a Green Roof is absolutely critical to the success of the entire project?

A

The waterproof membrane test proving negative for leaks

80
Q

What is the purpose of Flashing and Counter-flashing when designing a Green Roof?

A

Ensures no water can run down the wall beneath the waterproof membrane.

81
Q

Which plant material type would be a poor choice for an extensive green roof?

A

Tree species

82
Q

Which maintenance strategies might be employed regularly by a company managing an extensive Green Roof?

A

Prescribed burns

83
Q

What is the expected lifespan of a Green Roof?

A

150 years

84
Q

What is one way to increase the Oxygen content inside a building such as an office complex or retail center?

A

Make an HVAC inlet within 1m of a Green Roof or Living Wall

85
Q

An intensive urban agriculture green roof, with full sun exposure in the Lethbridge area would have a ? water requirement

A

High

86
Q

Rain gardens should appear dry after ? hours. As a rule of thumb.

A

4

87
Q

Irrigation is sourced from holding tanks that collect rainwater. This irrigation method is used of ? sites

A

Net Zero

88
Q

Who is usually the Project Manager on a green roof team?

A

Green Roof Professional

89
Q

A green roof is designed for condominium residents that includes a yoga deck surrounded by vertical gardens and a bar area. There are several shade trees and native plantings on the far end of it. This green roof is classed as:

A

Intensive

90
Q

What is the primary reason for the recent increase in green roof installation over the past two decades?

A

Increased Legislation

91
Q

What media has the the best Cation Exchange Capacity and aeration?

A

Expanded Clay

92
Q

Why are solar panels and green roofs often paired with one another?

A

Transpirational cooling increases solar panel efficiency

93
Q

Man made soils that are altered or adjusted to maximize a certain function such as infiltration and biofiltration are known as

A

Engineered soils

94
Q

What makes a Engineered soil

A

Testing

95
Q

Which group of plants would do well in a living wall setting where there is a lot of atmospheric moisture, lots of light, and a loose organic media?

A

Epiphytes - Orchids, Bromeliads and Christmas Cacti

96
Q

What special training would you need if you plan to specialize in interior living wall maintenance?

A

Lift Certification

97
Q

What is a major concern with continual Fertigation of an interior green wall?

A

Buildup of salts

98
Q

Plants for rain garden design should be ? (3 pnts)

A

Able to withstand extreme conditions. Tap rooted. Small in initial size.

99
Q

The formula for rain garden sizing is ?

A

Total area draining x size factor constant.

100
Q

Ensure the same math is completed: Measure the roof area and the average rainfall event for the area to ensure appropriate volume is available
Ensure there is overflow provision that will not flood a basement
Consider a design that is elevated, with a tap for easier water usage
Consider a design with a surface filter and no access to sunlight (algae)
Ensure customers know to empty it in the Fall!. These are considerations for the use of ?

A

Rain Barrels

101
Q

Identify source and sink
Excavate
To Clay
To Desired soil depth
Line it or leave clay base
Cut any Drainage in / out
Set boulders, stones, and rock.
These are the steps in constructing a ?

A

Swale

102
Q

Although water still flows along a surface (usually) it is also designed to move through and away. This describes a ?

A

Bioretention Swale

103
Q

A swale transports water where ?

A

To a known location

104
Q

Designed to allow Settling of Debris
Water Flows through various Media
Water exits via drain pipes.
May require clearing out of sediment periodically. This describes a ?

A

Bioretention Swale

105
Q

Can a street be considered a sink as long as the water is slowed down before reaching it?

A

Yes

106
Q

Surface drainage, slowing the flow =

A

Swales

107
Q

Catchment and draining (GROUNDWATER RECHARGE) =

A

Basins / Rain Gardens

108
Q

Standing / slow moving water being purified =

A

Constructed Wetlands

109
Q

Biotic approaches for erosion control include

A

Hydroseed, Stoloniferous/Rhizomatous

110
Q

Plant native species of grass, trees and shrubs within how many weeks of construction start

A

3 weeks when conditions are favorable

111
Q

A gabion basket is an example of a ? erosion control

A

Non-living

111
Q

Can species used for erosion control be invasive

A

No

112
Q

True or false Government of Alberta Spec states that buried material may be left in-ground when removing.

A

True

113
Q

Greenloxx is an example of a

A

Retaining wall.

114
Q

1.Construct posts with filter fabric media to remove sediment from stormwater volumes flowing through the fence.
2.The lower edge of the fence is to be vertically trenched and covered by backfill.
3.Filter fabric should be a pervious sheet of polypropylene, nylon, polyester, polyethylene or equivalent and have the following characteristics:
These are the steps for installing ?

A

Silt Fence

115
Q

How deep should silt fence be buried

A

6”

116
Q

How high should silt fence be

A

1m

117
Q

RECP stands for

A

Rolled Erosion Control Products

118
Q

Straw Mats
Jute Mats
Coir and Coir/Straw blend Mats
Fiber rolls.
These are all examples of

A

Rolled Erosion Control Products (RECP)

119
Q

TRM stands for

A

Turf Reinforcement Mat

120
Q

Silt fence should be inspected how often

A

Biweekly or after any major rain event.

121
Q

A systematic approach whereby the benefits of an item are weighed against the costs associated with it to determine its value. This describes a ?

A

Cost Benefit Analysis

122
Q

Identification of Green, infrastructure and Grey alternative, Costs involved in installation of both, Benefit Valuation of both
Return on Investment projections. This is the information required for ?

A

Cost Benefit Analysis

123
Q

The 3 Costs of Green Infrastructure are ?

A

Capital, Maintenance, Replacement.

124
Q

Total cost needed to bring a project to a commercially operable status. This describes ? costs.

A

Capital Costs

125
Q

The amount of money a business must currently spend to replace an essential asset. This describes ? costs.

A

Replacement Costs

126
Q

Costs required to keep the infrastructure in good working order. This describes ? costs.

A

Maintenance Costs

127
Q

Replacement Costs apply over time? True or False

A

True

128
Q

Comparing apples to apples is an example of comparing ?

A

Equivalence

129
Q

Looking for the price of the alternative in order to figure out the benefit value is which benefit valuation method

A

Avoided Cost Method

130
Q

Pricing how the grey alternative is actually harmful is which method of benefit valuation

A

Damage Cost Avoided Method

131
Q

Estimating value based on isolation of variables that increase market value is which method of benefit valuation

A

Hedonic Pricing Method

132
Q

Directly asking people how much more they’d be willing to pay for something they don’t currently have is what method of benefit valuation

A

Contingent/Choice Value Method

133
Q

Estimating the value of something based on what it would cost to replace it is which method of benefit valuation is this

A

Replacement Cost Method

134
Q

Establishing the value of an item by what it would cost to install something else, that’s easier to price, that would function equivalently is what method of benefit valuation is this

A

Substitute Cost Method

135
Q

The three basic categories of benefits are

A

Tangible/financial benefits. Environmental/social benefits. Emotional/Psychological benefits.

136
Q

To value a bioretention swale’s stormwater management capability, we look at the cost of stormwater management for a municipality. Which benefit valuation method is this ?

A

Avoided Cost Method

137
Q

How much money is being spent to try and clean waterways or filter out silt and sediment being washed into natural water bodies? Which benefit valuation method is this

A

Damage Cost Avoided Method

138
Q

Compare 2 residences of equal value, but one has a fully landscaped yard and one has just lawn. Which benefit valuation method is this ?

A

Hedonic Pricing Method

139
Q

Valuing Green Roofs by asking people how much more they’d be willing to pay to have access to a green space with their apartment. Which benefit valuation method is this ?

A

Contingent Value Method

140
Q

Estimating the value of a green roof based on the cost of an equivalent number of asphalt roofs that would be installed during the lifespan of that green roof. (If a Green roof lasts 50 years and a standard asphalt is only 20…). Which benefit valuation is this ?

A

Replacement Cost Method

141
Q

Valuing a green roof by instead pricing: Asphalt shingles, Plus air purification system, Plus water management/cleaning system, Plus wellness days for staff… Which benefit valuation is this ?

A

Substitute Cost Method

142
Q

What does LEED stand for

A

Leadership in Energy and Environmental Designs

143
Q

Environmental/Social benefits include what 4 pnts ?

A

Biodiversity/Habitat. Job creation. Improved productivity. Noise reduction.

144
Q

What are some other benefits that are perhaps harder to value?

A

Reduced crime. Improved aesthetics. Improved access to recreational space. Educational opportunities.

145
Q

What tends to drive development ?

A

Legislation

146
Q

2 Low Impact Development strategies that are traditionally chosen for infiltration and groundwater recharge.

A

Rain gardens. Permeable Pavement.

147
Q

The sustainable landscape technology that would most effectively combat the Urban Heat Island is:

A

Rain garden

148
Q

What is the main difference between the job process and quoting for Green infrastructure projects versus traditional landscaping projects?

A

Maintenance - although all jobs should have a maintenance plan, Green Infrastructure projects are more likely to fail without proper maintenance

149
Q

What is an important characteristic of Green Roof Media?

A

Has maximum porosity but also supports plants

150
Q

Which erosion control method serves multiple purposes as a soil retainer in land formation, potential water purification tool (straining debris), and “slowing the flow” in ditches

A

Gabion Basket

151
Q

What mulch is best for a Rain Garden?

A

Natural Wood Mulch

152
Q

You are part of a task force that has been asked to assign a dollar value to the rainwater that can be harvested from a Green Roof, as well as it’s carbon capture potential and insulation properties. This is called:

A

Benefit valuation

153
Q

Evaluating the Cost of the equivalent grey infrastructure (all of the components required to function the same as the green one would). This is ?

A

Substitute cost

LHAP Year 4 (10 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions