Course Title: Carry out geometric road design

Part B: Course Detail

Teaching Period: Term1 2016

Course Code: CIVE5678

Course Title: Carry out geometric road design

School: 130T Vocational Engineering

Campus: City Campus

Program: C6093 - Advanced Diploma of Engineering Design

Course Contact: Program Manager

Course Contact Phone: +61 3 9925 4468

Course Contact Email: engineering-tafe@rmit.edu.au


Name and Contact Details of All Other Relevant Staff

Muhammad Ozair Mian

Room 57.05.34

Tel: 9925 8312   (Ext: 58312)

Email: muhamad.mian@rmit.edu.au

Nominal Hours: 40

Regardless of the mode of delivery, represent a guide to the relative teaching time and student effort required to successfully achieve a particular competency/module. This may include not only scheduled classes or workplace visits but also the amount of effort required to undertake, evaluate and complete all assessment requirements, including any non-classroom activities.

Pre-requisites and Co-requisites

EDX130B – Use technical mathematics (basic)
EDX140B – Use technical mathematics (advanced)
EDC040B – Perform measurements and layout tasks on construction sites.
EDC050B – Prepare drawings required in the construction of rural roads.

Course Description

This unit covers the competency to design and calculate the geometry of both rural and urban roads using relevant Australian road design standards.


National Codes, Titles, Elements and Performance Criteria

National Element Code & Title:

EAC050B Carry out geometric road design

Element:

1. Design and calculate the horizontal alignment of a roadway centreline.

Performance Criteria:

1.1 Tabulated data is extracted as required.
1.2 The data required to detail the horizontal alignment of the road centreline is calculated.
1.3 The maximum super-elevation to be attained is determined.
1.4 Where applicable, transition curve data is determined.
1.5 The data is clearly displayed in sketch and table form.

Element:

2. Design and calculate the vertical alignment of a roadway centreline.

Performance Criteria:

2.1 Tabulated data is extracted as required.
2.2 The data required to detail the vertical alignment of the road centreline is calculated.
2.3 The data is clearly displayed in sketch and table form.

Element:

3. Design and calculate the combined horizontal and vertical alignment of a roadway centreline.

Performance Criteria:

3.1 Tabulated data is extracted as required.
3.2 The data required to detail the combined horizontal and vertical alignment of the road centreline is calculated.
3.3 The data required to detail the left/right pavement edge levels is calculated.
3.4 The data required to detail the left/right shoulder point levels is calculated.
3.5 The data is clearly displayed in sketch and table form.

Element:

4. Design an intersection at grade for a given design vehicle.

Performance Criteria:

4.1 Tabulated data is extracted.
4.2 Turning templates are correctly used.
4.3 The data required to horizontally and vertically define the intersection is calculated.
4.4 The finished pavement is correctly contoured.
4.5 All information is clearly detailed on a drawing.


Learning Outcomes


  


Details of Learning Activities

           

You will be involved in the following learning activities to meet requirements for this course.

• Lectures/tutorials
• Practicals/discussions
• Journals/research Work/team Work
• Presentations
• Self-directed learning
• Site visit/excursion/guest speaker (TBA)


Teaching Schedule

           

Week   Topics DeliveredResource and Activities                                Elements / Performance criteriaAssessment Tasks
1
Introduction to the subject
  • Introductory concepts
  • Teaching and assessment schedules
     
Activities:
  • Directed Study - geometric road design
  • 1.2, 2.2, 3.2, 3.3, 3.4, 4.3
  •  Mid-semester exam
2 -3


Road user and vehicle characteristics

  • Traffic stream components
  • Dealing with diversity
Driver characteristics

  • Visual characteristics of drivers
  • Perception reaction characteristics of drivers
  • Pedestrian characteristics
  • Impact of drug and alcohol
  • Impacts of aging on road users
  • Psychological, Personality, and Related Factors

Vehicle characteristics

  • Concept of the Design Vehicle
  • Braking Characteristics
  • Acceleration Characteristics
  • Turning characteristics of vehicles
     

Activities:

  • Directed study - relevant standards
  • Problem solving
  • 1.2, 2.2, 3.2, 3.3, 3.4, 4.3
     
  •  Mid-semester exam
     

4


Speed parameters and sight distance:

  • Operating and design speeds
  • Manoeuvre sight distance
    Elements of sight distance
  • Stopping sight distance
  • Overtaking sight distance
     

 

Activities:

  • Directed study - relevant standards
  • Problem solving
  • 1.2, 2.2, 3.2, 3.3, 3.4, 4.3
     
  •  Mid-semester exam
     
5
Traffic Flow and Queuing Theory:
  • Traffic flow, speed and density
  • Basic traffic stream models
  • Speed-density model
  • Flow-density model
  • Speed-flow model
     
Activities:
  • Directed study -- relevant standards
  • Problem solving 
     
  • 1.2, 2.2, 3.2, 3.3, 3.4, 4.3

 

  • Mid-semester exam
6


Highway Capacity and level of service   analysis:

  • Level of service
  • Calculate service measures and determine LOS
  • Determine free-flow speed
     
Activities:
  • Directed study -- relevant standards
  • Problem solving 
     
  • 1.2, 2.2, 3.2, 3.3, 3.4, 4.3

 

  • Mid-semester exam
7
Mid-semester exam (closed book)
 

 

  • 1.2, 2.2, 3.2, 3.3, 3.4, 4.3
     
 

8- 10


Geometric design of roads: Horizontal alignment

  • Types of circular curves
  • Terminology of circular curves
  • Length and radius of circular curves
  • Use of transition curve
  • Types of transition curve
  • Length of transition curve
  • Road cross-sections
  • Slopes 
  • Chainages 
  • Circular curves design methods
  • Superelevation lengths
  • Calculation of superelevation
  • Radial force and design speed
  • Spirals
  • Side friction
  • Laying out method for circular curve
  • Laying out method for transition curve
  • Calculate position of superelevation runoff
     

Activities: 

  • Directed study 
  • Problem solving
  • Work on Assignment 1 in class
  • 1.2, 1.3,1.4 1.5
  • Assignment 1 (due in Week 12)
  • End of semester exam
     

11- 13


Geometric design of roads: vertical alignments
 
  • Purpose of vertical curves
  • Types of vertical curves
  • Assumptions made in vertical curve calculations
  • Gradients
  • Change of grades
  • Calculate length of vertical curve
  • Select appropriate gradient for the vertical curve design
  • Calculations for setting out vertical curve
  • Crest curve criteria
  • Sag curve criteria
  • Calculate curve crest high point
  • Calculate curve sag low point
     
Activities:
  • Directed study 
  • Problem solving
  • Work on Assignment 2 in class
     
  • 2.1, 2.2, 2.3
  • Assignment 2 (due in Week 15)
  • End of semester exam
     
14


Combined horizontal and vertical alignment

  • Coordination of horizontal and vertical alignment
     


Activities:

  • Directed study 
  • Problem solving
  • Work on Assignment 2 in class
  • 3.1, 3.2, 3.3, 3.4, 3.5
  •  End of semester exam
     

15


Traffic control and analysis at intersections:

  • Types of intersections
  • Signalised intersections
  • Un signalised intersections
  • Roundabouts
     

Activities:

  • Directed study -- relevant standards
  • Problem solving 
     
  • 4.1, 4.2, 4.3, 4.4, 4.5
  • End of semester exam

16


Design of Intersection at grade:
  • Designing and calculating intersections at grade.
  • Kerb and channels – types
  • Kerb and channel – horizontal alignment e.g. three centre curves
  • Kerb and channel grading
  • Traffic islands
  • Medians
     

Activities:

  • Directed study -  design and calculate intersection at grade.
  • Problem solving 
     
  • 4.1, 4.2, 4.3, 4.4, 4.5
  • End of semester exam

17 - 18

End of semester exam

 

  •  2.1, 2.2, 2.3, 3.1, 3.2, 3.3, 3.4, 3.5, 4.1, 4.2, 4.3, 4.4, 4.5
  • End of semester exam


Learning Resources

Prescribed Texts

Design standards include current AUSTROADS publications – ‘Urban Design Guide’, ‘Rural design Guide’, and ‘Guide for the design of intersections at grade’


References


Other Resources

1. Work notes.
2. Calculator, ruler and pencil.
3. Prescribed text books
4. Access to blackboard notes.
5. AutoCAD Civil 3d software access at home.


Overview of Assessment

Assessment are conducted in both theoretical and practical aspects of the course according to the performance criteria set out in the National Training Package. Students are required to undertake summative assessments that bring together knowledge and skills. To successfully complete this course you will be required to demonstrate competency in each assessment tasks detailed under the Assessment Task Section.

Your assessment for this course will be marked using the following table:

NYC (<50%) Not Yet Competent

CAG (50-59%) Competent - Pass

CC (60-69%) Competent - Credit

CDI (70-79%) Competent - Distinction

CHD (80-100%) Competent - High Distinction


Assessment Tasks

           

The assessment is conducted in both theoretical and practical aspects of the course according to the performance criteria set in the National Training Package.
Assessment may incorporate a variety of methods including written/oral activities and demonstration of practical skills to the relevant industry standards.
Participants are advised that they are likely to be asked to personally demonstrate their assessment activities to their teacher/assessor.
Feedback will be provided throughout the course. To successfully complete this course you will be required to demonstrate competency in each assessment task detailed under Assessment Tasks section of Course Guide Part B.

Assignments:
Assignment 1: Selection of preferred road alignment & horizontal alignment design  : 15%
Assignment 2: Vertical alignment design and setting out vertical curve : 15%

Exams
Mid-semester exam: 30%
End of semester exam: 40%


Student has also to show an understanding of Occupational Health and Safety to an extent indicated by the following aspects:

  • basic legal requirements covering occupational health and safety in the workplace
  • the requirements for personal safety in the workplace
  • identifying potential workplace hazards and suggested measures for accident prevention
  • working safely with electrical tools or equipment

Assessment requirements also include:

- Attendance and satisfactory completion of prescribed practical exercises ,
- Evidence of participation in and satisfactory completion of work simulation projects.

- Satisfactory completion of class assignment work
- timely submission and standard presentation for all assessment material / documentation


Assessment Matrix

            Assessment vs EAC050B Elements and Performance Criteria 

            EAC050B Elements & Performance Criteria
Assessments1.11.21.31.41.52.12.22.33.13.23.33.43.54.14.24.34.44.5
Assignment 1XXXXX             
Exam 1XXXXX             
Assignment 2     XXXXXXXX     
Exam 2     XXXXXXXXXXXXX

Other Information

           

Student directed hours involve completing activities such as reading online resources, assignments, individual student-teacher course-related consultation. Students are required to self-study the learning materials and complete the assigned out of class activities. The estimated time is minimum 20 hours outside the class time.

Credit Transfer and/or Recognition of Prior Learning (RPL):

You may be eligible for credit towards courses in your program if you have already met the learning/competency outcomes through previous learning and/or industry experience. To be eligible for credit towards a course, you must demonstrate that you have already completed learning and/or gained industry experience that is:

• Relevant
• Current
• Satisfies the learning/competency outcomes of the course

Please refer to http://www.rmit.edu.au/students/enrolment/credit to find more information about credit transfer and RPL.

Study and Learning Support:

Study and Learning Centre (SLC) provides free learning and academic development advice to you. Services offered by SLC to support your numeracy and literacy skills are:

• Assignment writing, thesis writing and study skills advice
• Maths and science developmental support and advice
• English language development

Please refer to http://www.rmit.edu.au/studyandlearningcentre to find more information about Study and Learning Support.

Disability Liaison Unit:

If you are suffering from long-term medical condition or disability, you should contact Disability Liaison Unit to seek advice and support to complete your studies.

Please refer to http://www.rmit.edu.au/disability to find more information about services offered by Disability Liaison Unit.

Late Submission:

If you require an Extension of Submittable Work (assignments, reports or project work etc.) for seven calendar days or less (from the original due date) and have valid reasons, you must complete an Application for Extension of Submittable Work (7 Calendar Days or less) form and lodge it with the Senior Educator/ Program Manager.

The application must be lodged no later than one working day before the official due date. You will be notified within no more than two working days of the date of lodgement as to whether the extension has been granted.

If you seek an Extension of Submittable Work for more than seven calendar days (from the original due date), you must lodge an Application for Special Consideration form under the provisions of the Special Consideration Policy, preferably prior to, but no later than two working days after the official due date.

Submittable Work (assignments, reports or project work etc.) submitted late without approval of an extension will not be accepted or marked.

Special Consideration:

Please refer to http://www.rmit.edu.au/students/specialconsideration to find more information about special consideration.

Plagiarism:

Plagiarism is a form of cheating and it is very serious academic offence that may lead to expulsion from the university.

Please refer to http://www.rmit.edu.au/academicintegrity to find more information about plagiarism.

Email Communication:

All email communications will be sent to your RMIT email address and you must regularly check your RMIT emails.

Course Overview: Access Course Overview