Project Brief:
Part 1: Vertical control
As part of the pre-design information required for the re-development of the K- block within the University of South Wales’s Treforest campus, some surveying activities are needed to be implemented around the development site. The survey activities involve a closed levelling survey, where reduced levels are required for various observation/stake points as indicated below and shown in Appendix 1.
Point A – Top of drain cover 1 Point B – Top of RC wall Point C – Top of drain cover 2 Point D – Top of pavement Point E – Top of bottom stairs Point F – Top of drain cover 3 Point G – Top of drain cover 4 Point H – Top of corner kerb Point I – Top of drain cover 5
The reduced level for the Temporary benchmark (TBM) was identified as 69.650m.
⦁ Using the rise and fall method sheet in Appendix 2, conduct a levelling survey of the identified observation/stake points around the development site.
(Refer to practical survey Risk Assessment in Appendix 4).
⦁ Record the data obtained from the various line of sights (intermediate sights and fore sights) in your booking sheet.
⦁ Evaluate the Reduced Levels (RL) on the booking sheet and carry out the mathematical check.
⦁ Verify the accuracy of the levelling survey and comment accordingly.
⦁ Produce a sketch of the vertical section along the line of levelling survey and explain the process/procedures you have taken to accurately carry out the levelling survey.
Part 2: Horizontal control
Using a Total station, the horizontal angular measurement of some identified target points are required to be taken from specific station positions within the K-block site
(Refer to practical survey Risk Assessment in Appendix 4).
⦁ Record the horizontal circle readings for the target points in the booking sheet shown in Appendix 3.
⦁ Determine the mean horizontal circle readings for the identified target points from your allocated instrument position.
⦁ Evaluate the mean horizontal angles for the target points.
⦁ Describe with annotated sketches the process you obtained the horizontal angular measurements on-site using a Total Station from your allocated instrument position.
Submission requirements:
⦁ All calculations should be well presented in terms of language, explanation of each stage of the work, style and layout.
⦁ Submission should be in a single report format showing the following
⦁ Cover page,
⦁ List of Contents page
⦁ Page numbers
⦁ Headers and Footers (if applicable)
⦁ Text should be Font Size – 12 for main body of text
⦁ Text should be justified
⦁ Referenced using the Harvard System of Citing References
⦁ Each task clearly identified in the following order Introduction, Part 1 – Vertical control, Part 2 – Horizontal control and Conclusion
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