Assignment 1
SVY3107 Geodetic Surveying B
Contents
1. Assignment information 3
1.1. Introduction 3
1.2. Assignment topics 3
1.3. Assignment Value 3
1.4. Due Date 4
1.5. Late penalty 4
1.6. Assignment presentation guidelines 4
1.7. Submission Instructions 5
1.8. Equipment Required 5
1.9. Further questions 5
2. Assignment Body 6
2.1. Introduction 6
2.2. Tasks (200 marks total) 8
2.2.1. Task 1 – AUSGeoid (30 marks) 8
2.2.2. Task 2 – Survey sketch (20 marks) 8
2.2.3. Task 3 – Triangles, triangles and more triangles (60 marks) 8
2.2.4. Task 4 – Arc to Chord to Arc to Chord… (50 marks) 9
2.2.5. Task 5 (40 marks) 9
2.3. Rubric/Marking guide 9
1. Assignment information
1.1. Introduction
For this assignment, you’ll be the surveyor in charge of a large survey to establish control for a significant infrastructure plant development. You’ll be tasked with preparing information and resources for your field team, and undertaking a variety of calculations and analysis on their observations.
1.2. Assignment topics
This assignment focuses on content in Modules 1 to 3. Additional knowledge from prerequisite subjects will also need to be utilised.
For more information on the course topics that this assignment relates to, please see the course specification page. This is linked through the course StudyDesk. Individual courses can be searched here.
1.3. Assignment Value
Assignment 1 is a 20% (200 mark) assessment. A summary of mark distribution for the assignment is given in Table 1.3.
Task 1 30 marks
Task 2 20 marks
Task 3 60 marks
Task 4 50 marks
Task 5 40 marks
TOTAL 200 marks
Table 1.3: Mark distribution for Assignment 1
1.5. Late penalty
Please refer to the University Procedure for Assessment – https://policy.usq.edu.au/documents/14749PL
If you are in a situation where you believe you are going to need to request an extension for an assignment, it is advisable to get in contact with the lecturer as soon as possible – the day an assignment is due is not appropriate!
1.6. Assignment presentation guidelines
It is expected that you will submit a report style submission for this assignment – professional report writing and presentation is a skill that should be developed alongside technical knowledge throughout your university career. The USQ library has many resources about assignment structure and writing for students that can be accessed here.
At minimum, your report should contain:
• A title page indicating the course code (SVY3107), assignment number, and your name and student number
• Clearly labelled answers linking them to the relevant assignment questions
• Page numbers
Your report should be submitted in PDF file format to ensure formatting issues between different software packages is avoided.
Any published material you refer to should be properly referenced and included in a bibliography or list of references at the end of your assignment. You should use the Harvard AGPS style of referencing. See the library website for further details on referencing.
All the information required to address the assignment questions needs to be included in your report, however you are required to also submit a copy of your spreadsheet that is used to address task 2. This spreadsheet will be tested with an independent set of data by the marker, so ensure any values that are needed for answering other parts of the assignment are included in the PDF file (i.e. make sure your answers for task 3 are in your PDF not just in the spreadsheet!).
Some tips for the presentation of your spreadsheet are:
• Make sure all columns have clear headings
• Make sure rows have labels where appropriate, particularly when showing a result
• Use cell outlines and shading to make your spreadsheet easy for people to understand
• Make sure the sheets are labelled appropriately to make it clear which task it is addressing
1.7. Submission Instructions
All submissions should be digital, and made through the StudyDesk Assignment submission link.
Your assignment submission should include:
o 1 PDF file of your assignment
o 1 MS Excel compatible spreadsheet/workbook
Please ensure your name, student number (the 6001234567 number), and course code (SVY3107) appear at least once in the body of your assignment. Please also ensure that you clearly label each of your solutions with the corresponding question number (e.g. Task 1).
Use the following naming convention for your files:
o SVY3107_A1_[SurnameInitial]_[StudentNumber].pdf
o Where [SurnameInitial] is replaced by your surname and your first initial (eg Chris
McAlister would be McAlisterC); and o [StudentNumber] is replaced by your 10 digit student number (e.g. 6001234567)
o Please note the size of your files cannot exceed 100MB.
1.8. Equipment Required
You will need internet access to access the relevant software packages and assignment resources.
You will need to use a spreadsheet program, such as Google Sheets or MS excel to complete this assignment. You have access to Google Sheets through your student account online.
1.9. Further questions
If you have any questions about the assignment, please contact the course examiner Chris McAlister via the Course Slack assignments channel.
2. Assignment Body
2.1. Introduction
You have been asked by a client to examine some old traverse data between marks on a site where they will be developing significant infrastructure. While most of the original survey data has been lost, there are a number of connections between different marks that have been provided to you as shown below in Table 2.1.1, Table 2.1.2 and Table 2.1.3. All coordinates have been transformed to GDA2020.
Station number Latitude Longitude AHD Height AUSGeoid2020 (N)
Station 1 -27° 45’ 43.9192” 143° 56’ 0.0080” 137.261m To be determined
Station 2 No data available No data available No data available No data available
Station 3 -28° 05’ 43.2384” 144° 07’ 55.6608” 141.277m To be determined
Station 4 No data available No data available No data available No data available
Station 5 To be determined To be determined To be determined To be determined
Table 2.1: Point coordinate information
From H.I To H.I Azimuth Observed Distance Ellipsoidal distance
Station 1 1.541m Station 2 1.769m 103° 24’ 08.49” 24074.998m To be determined
Station 2 1.769m Station 3 1.438m 186° 58’ 06.24” No data available To be determined
Station 3 1.438m Station 4 1.501m 290° 18’ 17.39” 32261.107m To be determined
Station 4 1.501m Station 1 1.567m 22° 41’ 49.01” 27817.578m To be determined
Station 2 1.769m Station 5 1.842m 249° 51’ 38.27” No data available 21381.290m
Station 3 1.438m Station 5 1.842m 325° 55’ 41.52” No data available 28976.501m
Table 2.2: Available traverse information
Data Value
Scale factor 1.00056
Instrument 1st velocity correction 0.3872 ×???? c=278.96 – × ???? × 10-6
1+0.003661×????
Prism constant (after calibration) -0.030
Temperature 32 °C
Pressure 1010 mb
Table 2.1.3: Field data provided
2.2. Tasks (200 marks total)
Please see below for the tasks you need to complete.
You may use excel or similar to undertake the calculations, however you must ensure a copy of the results are pasted into your final report. Reports that direct the reader to refer the spreadsheet will get zero marks for that task. Also ensure all your calculations are clearly labelled and explained for the reader.
2.2.1. Task 1 – AUSGeoid (30 marks)
Using the data provided to you;
a) determine the AUSGeoid Values for Stations 1 and 3 (10 marks)
b) Briefly discuss your choice of AUSGeoid model, explaining what the main components of that model are and why it is best suited to this data (20 marks)
2.2.2. Task 2 – Survey sketch (20 marks)
Using the data provided, develop an appropriate sketch (hand drawn is ok) to show the data provided to you clearly. Ensure all the stations are clearly annotated with the data associated with them, and that provided information is clearly distinguished from calculated or determined data (20 marks)
2.2.3. Task 3 – Triangles, triangles and more triangles (60 marks)
Before looking at the larger traverse, completing some initial calculations on the closed shapes in the survey is advisable.
Using your knowledge of spherical and spheroidal triangles, for the triangle formed by Stations 2, 3 and 5, determine:
a) The geodetic internal angles (10 marks)
b) The distance between Station 2 and 3 (10 marks)
c) The excess in the triangle (10 marks)
d) The plane internal angles (10 marks)
e) Coordinates of station 2 and station 3 (20 marks)
You can assume that the skew normal and deflection of vertical corrections have already been made to the angles.
2.2.4. Task 4 – Arc to Chord to Arc to Chord… (50 marks)
You will eventually need to reduce the traverse to determine how reliable the previous survey was. As you’ll want to check the survey by running the traverse from multiple directions, you need to develop a spreadsheet that will allow you to reduce the distance measurements to the ellipsoid.
Some tips in making your spreadsheet:
• Ensure the input fields are clear and that there are appropriate instructions included so it is easy to use and understand.
• Each step should be clearly labelled, and any solutions should be clearly identified
• You may select your own input values for any variables not provided in this assignment sheet, but they must be clearly documented.
NOTE: Your spreadsheet will be validated with another dataset as part of the marking process.
2.2.5. Task 5 (40 marks)
Using the spreadsheet you developed in Task 4, and the additional data provided in the table below calculate the ellipsoid distance of the traverse lines between Stations:
a) 1-2 (10 marks)
b) 1-4 (10 marks)
c) 3-4 (10 marks)
d) 2-3 (10 marks)
2.3. Rubric/Marking guide
To further understand how you can achieve marks for each task, please refer to the rubric below.
Question 100% 85% 75% 50% 25% 0% Marks
1a – AUSGeoid A result was provided with the following criteria:
• Complete calculations were undertaken
• The work was clearly presented in a logical progression
• The correct result was generated A result was provided with minor errors or omissions. A result was provided with one of the criteria missing A result was provided with two criteria missing. No attempt was made 10
1b – AUSGeoid A discussion was provided that met the following criteria:
• A comprehensive understanding of AUSGeoid was demonstrated
• A comprehensive understanding of the components was demonstrated
• A comprehensive synthesis of AUSGeoid to the project was made A discussion was provided with minor omissions or errors. A discussion as provided that was missing one of the criteria A discussion was provided that was missing two of the criteria A discussion was provided but was missing three of the criteria No attempt was made 20
2 – Survey sketch A sketch is provided with the following criteria:
• The stations are clearly identified
• The layout is clear and unambiguous allowing a clear understanding of the data
• Appropriate labels and symbols are used to provide clarity A sketch is provided with minor errors or omissions in the criteria A sketch is provided with one criteria missing. A sketch is provided with two criteria missing. A sketch is provided with significant omissions or errors in the provided criteria. No attempt was made. 20
3.a A result was provided with the following criteria:
• Complete calculations were undertaken
• The work was clearly presented in a logical progression
• The correct result was generated A result was provided with minor errors or omissions. A result was provided with one of the criteria missing A result was provided with two criteria missing. No attempt was made 10
3.b A result was provided with the following criteria:
• Complete calculations were undertaken
• The work was clearly presented in a logical progression
• The correct result was generated A result was provided with minor errors or omissions. A result was provided with one of the criteria missing A result was provided with two criteria missing. No attempt was made 10
3.c A result was provided with the following criteria:
• Complete calculations were undertaken
• The work was clearly presented in a logical progression
• The correct result was generated A result was provided with minor errors or omissions. A result was provided with one of the criteria missing A result was provided with two criteria missing. No attempt was made 10
3.d A result was provided with the following criteria:
• Complete calculations were undertaken
• The work was clearly presented in a logical progression
• The correct result was generated A result was provided with minor errors or omissions. A result was provided with one of the criteria missing A result was provided with two criteria missing. No attempt was made 10
3.e A result was provided with the following criteria:
• Complete calculations were undertaken
• The work was clearly presented in a logical progression
• The correct results were generated A result was provided with minor errors or omissions. A result was provided with one of the criteria missing A result was provided with two criteria missing. No attempt was made 20
4 – Calculations A spreadsheet is provided with the calculations to reduced distances to the ellipsoid complete and correct A spreadsheet is provided with minor errors or omissions in the calculations, that would have little to no impact on the solution. A spreadsheet is provided with minor errors or omissions in the calculations that would impact the solution. A spreadsheet is provided with significant errors in the calculations, but a solution could be generated. A spreadsheet is provided with significant errors in the calculations that would impact the solution, and no solution could be generated. No attempt was made. 50
5.a The spreadsheet provided with the following criteria:
• completed the calculations to reduced distances to the ellipsoid
• generated the correct answer The solution had minor input errors that had little to no impact on the solution The solution had minor input errors that had an impact on the solution A solution was provided with one criteria missing A solution was provided with two criteria missing No attempt was made. 10
5.b The spreadsheet provided with the following criteria:
• completed the calculations to reduced distances to the ellipsoid
• generated the correct answer The solution had minor input errors that had little to no impact on the solution The solution had minor input errors that had an impact on the solution A solution was provided with one criteria missing A solution was provided with two criteria missing No attempt was made. 10
5.c The spreadsheet provided with the following criteria:
• completed the calculations to reduced distances to the ellipsoid
• generated the correct answer The solution had minor input errors that had little to no impact on the solution The solution had minor input errors that had an impact on the solution A solution was provided with one criteria missing A solution was provided with two criteria missing No attempt was made. 10
5.d The spreadsheet provided with the following criteria:
• completed the calculations to reduced distances to the ellipsoid
• generated the correct answer The solution had minor input errors that had little to no impact on the solution The solution had minor input errors that had an impact on the solution A solution was provided with one criteria missing A solution was provided with two criteria missing No attempt was made. 10
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University of Southern Queensland | SVY3107 Assignment 1 2021
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