Defining Environmental Impacts Associated with the Project

ASSIGNMENT 1 – WRITTEN ASSIGNMENT
Please choose ONE of the following hypothetical scenarios (Scenario A or Scenario B) described on pages 2-5.
For the scenario you choose, make sure to answer Parts 1 and Part 2 below. Word count = 1000 words max.
e)
ENVIRONMENTAL DEFINITIONS
EIA is concerned with predicting environmental impacts and seeking to facilitate decision making on the basis of
the assessment of the significance of these predictions. This definition begs the question of what is an
environmental impact? How should we define the term? This is a question of more than academic interest since
our view will influence the approach we take to identifying, measuring and mitigating impacts. A clear definition of
an impact should also help us differentiate impacts from other terms such as sources, effects, receptors and the
environment.
PART 1: Defining Environmental Impacts Associated with the Project (i.e. the Baseline Study)
Try to arrive at a formal and carefully worded definition of environmental impact as a result of considering as
broad a range as a possible of implications of this proposal. You will probably need to arrive at a definition of
environment, before you can decide what is an environmental impact. Provide a scoping discussion of the receiving
environment. This could include some or all of the issues listed below. You may choose to add additional issues
to this list:
• noise
• water pollution
• air pollution
• aesthetics
• heritage
infrastructure
• biodiversity
• native vegetation
• traffic congestion
• safety
• indigenous communities
• loss of retail trade etc.
PART 2: Examining a Major Aspect of Significance of the Project
This part of the assignment requires you to identify a major aspect of significance of the project proposal, with
discussion of how you would analyze the environmental impact/s. You may choose to set in place guidelines to
help you arrive at a decision.
It may help to consider the problem in a series of stages, for example, what will the development consist of, what
inputs and outputs might it have, what and who will be affected, are there positives and negative effects to
consider?
Your analysis (in relation to the major aspect of significance), should conclude with a decision about whether the
project proposal should be rejected, approved or approved with conditions. If you approve with conditions, then
these should be noted.
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Scenario A
A new dual carriageway road bypass is proposed for Highway One at Port Wakefield (in South Australia) which will
allow highway unobstructed traffic flow at highway speeds (110km/h). One grade separated interchange will be
built where Highway One intersects the Copper Coast Highway (serving the Yorke Peninsula), a new interchange
will be built south of Port Wakefield and there will be an overpass to cross a local rural road immediately east of
Port Wakefield. Part of the existing Highway immediately north of Port Wakefield will be removed and realigned
to allow optimal integration with the northern interchange. There will also be realignment of the Copper Coast
Highway into the interchange. The project is expected to cost $375m. Figure 1 illustrates the existing Highway
through Port Wakefield to be bypassed, and Figure 2 is a sketch illustrating the proposed highway bypass.
Figure 1: Highway One at Port Wakefield: the existing situation.
(Source: http://www.weekendnotes.com/im/001/05/port81.JPG accessed 4/8/17)
ARCH 5041 (2019) Environmental Impact Assessment N
3
Figure 2: The (hypothetical) proposed new bypass for Highway One at Port Wakefield, South Australia
(Source: Google Earth Pro and You Doodle)
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Scenario B
A new marina is proposed for West Beach, west of Adelaide (South Australia). The development will include 65
boat berths, marina basins and boating facilities, an entrance channel and breakwater. The development will be in
front of the Henley Sailing Club. The proposed size and site of development is shown in Figure 3. The majority of
works would be on the foredunes and beach. A breakwater, proposed to protect the entrance to the marina, is to
be built on the tidal flats. A similar sized marina exists in Mackay, Queensland (Figure 4).
Figure 3: Proposed marina location at Henley Beach (yellow) and breakwater (brown), South Australia. Source: Google Maps
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5
Figure 4: Mackay Marina Village: a comparable marina is proposed (in this assignment) for West Beach.
Source: www.mackaymarina.com ©, (Accessed 28/7/2019

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Defining Environmental Impacts Associated with the Project

ASSIGNMENT 1 – WRITTEN ASSIGNMENT
Please choose ONE of the following hypothetical scenarios (Scenario A or Scenario B) described on pages 2-5.
For the scenario you choose, make sure to answer Parts 1 and Part 2 below. Word count = 1000 words max.
ENVIRONMENTAL DEFINITIONS
EIA is concerned with predicting environmental impacts and seeking to facilitate decision making on the basis of
the assessment of the significance of these predictions. This definition begs the question of what is an
environmental impact? How should we define the term? This is a question of more than academic interest since
our view will influence the approach we take to identifying, measuring and mitigating impacts. A clear definition of
an impact should also help us differentiate impacts from other terms such as sources, effects, receptors and the
environment.
PART 1: Defining Environmental Impacts Associated with the Project (i.e. the Baseline Study)
Try to arrive at a formal and carefully worded definition of environmental impact as a result of considering as
broad a range as a possible of implications of this proposal. You will probably need to arrive at a definition of
environment, before you can decide what is an environmental impact. Provide a scoping discussion of the receiving
environment. This could include some or all of the issues listed below. You may choose to add additional issues
to this list:
• noise
• water pollution
• air pollution
• aesthetics
• heritage
• infrastructure
• biodiversity
• native vegetation
• traffic congestion
• safety
• indigenous communities
• loss of retail trade etc.
PART 2: Examining a Major Aspect of Significance of the Project
This part of the assignment requires you to identify a major aspect of significance of the project proposal, with
discussion of how you would analyze the environmental impact/s. You may choose to set in place guidelines to
help you arrive at a decision.
It may help to consider the problem in a series of stages, for example, what will the development consist of, what
inputs and outputs might it have, what and who will be affected, are there positives and negative effects to
consider?
Your analysis (in relation to the major aspect of significance), should conclude with a decision about whether the
project proposal should be rejected, approved or approved with conditions. If you approve with conditions, then
these should be noted.
ARCH 5041 (2019) Environmental Impact Assessment N
2
Scenario A
A new dual carriageway road bypass is proposed for Highway One at Port Wakefield (in South Australia) which will
allow highway unobstructed traffic flow at highway speeds (110km/h). One grade separated interchange will be
built where Highway One intersects the Copper Coast Highway (serving the Yorke Peninsula), a new interchange
will be built south of Port Wakefield and there will be an overpass to cross a local rural road immediately east of
Port Wakefield. Part of the existing Highway immediately north of Port Wakefield will be removed and realigned
to allow optimal integration with the northern interchange. There will also be realignment of the Copper Coast
Highway into the interchange. The project is expected to cost $375m. Figure 1 illustrates the existing Highway
through Port Wakefield to be bypassed, and Figure 2 is a sketch illustrating the proposed highway bypass.
Figure 1: Highway One at Port Wakefield: the existing situation.
(Source: http://www.weekendnotes.com/im/001/05/port81.JPG accessed 4/8/17)
ARCH 5041 (2019) Environmental Impact Assessment N
3
Figure 2: The (hypothetical) proposed new bypass for Highway One at Port Wakefield, South Australia
(Source: Google Earth Pro and You Doodle)
ARCH 5041 (2019) Environmental Impact Assessment N
4
Scenario B
A new marina is proposed for West Beach, west of Adelaide (South Australia). The development will include 65
boat berths, marina basins and boating facilities, an entrance channel and breakwater. The development will be in
front of the Henley Sailing Club. The proposed size and site of development is shown in Figure 3. The majority of
works would be on the foredunes and beach. A breakwater, proposed to protect the entrance to the marina, is to
be built on the tidal flats. A similar sized marina exists in Mackay, Queensland (Figure 4).
Figure 3: Proposed marina location at Henley Beach (yellow) and breakwater (brown), South Australia. Source: Google Maps
ARCH 5041 (2019) Environmental Impact Assessment N
5
Figure 4: Mackay Marina Village: a comparable marina is proposed (in this assignment) for West Beach.
Source: www.mackaymarina.com ©, (Accessed 28/7/2019

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