Consultant by Department of Transport to Design a Route for this New Floraville Bypass - Engineering Assignment Help

Assignment Task :

1 INTRODUCTION
A state highway, known as Caldervalley Highway, currently passes through Floraville, a growing rural centre with a population of 30,000. As a result of the township's economic growth, the traffic using the highway has increased, leading to moderate to severe delays.
The increased traffic has had negative environmental and social impacts for the residents of Floraville and recently there have been several accidents involving vehicles and pedestrians.

2 WHAT YOU NEED TO DO
In response to these problems, the Department of Transport commissioned a study that concluded the solution was to construct a new two-lane two-way road to bypass Floraville.
You have been contracted as a consultant by Department of Transport to design a route for this new Floraville bypass. The route must be designed to provide for the safe and efficient movement of vehicles around Floraville while keeping construction costs, land acquisition and environmental impacts to minimum levels.

Working in a group, your task in this preliminary design phase is to propose, design and evaluate alternative alignment(s) for the new bypass. The design must comply with Austroads standards, e.g. Austroads Guide to Road Design.
 
3 PRELIMINARY DESIGN METHODOLOGY
3.1 Stakeholder identification
You are initially asked to identify stakeholders who are likely to be affected or influence the road project, with relevant justifications.
3.2 Initial route identification
Your first key design task is to identify ONE, TWO, or THREE routes (if group size is 2, 3, or 4 respectively) for preliminary design evaluation. The rationale for initial route  Dr Long Truong 2 selection is at your discretion but clearly you will need to consider restraints imposed by the topography of the site, the township itself, the environmentally sensitive areas and the costs of construction.

3.3 Alignment design
a) Develop the alignment(s) for the bypass route(s) having regard to the co-ordination of horizontal and vertical alignments and the technical, environmental and social design constraints. This will involve the selection and computation of horizontal alignment geometry and vertical curve design making proper provision for sight distance and requires consideration of curve radius, super-elevation development, transition length, vertical curve length and geometry, grades etc.
• You should use Civil 3D for designing the alignment and generating drawings. Note that Road Project Map 2020.dwg is available on LMS, where the existing ground surface was already coded.
• However, you MUST also provide manual calculations for horizontal and vertical curves. Other design checks, e.g. curve radius, super-elevation development, transition length, vertical curve length, maximum grades, design form etc, MUST also be discussed.
b) Set chainage points at 20m intervals commencing at the take-off point. Note that for this exercise, the design line shall be the centreline.

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