This is a flow chart I created for my assistant so that he is to remember when he go for another field work
- Step 1 – Input lot bearing and distance into CAD and TSM system (the interest lot and some neighbor lot)
- Step 2 – check the precomp plan and ensure the precomp has been approved.
- Step 3 – look for the site and boundary with TSM system using GPS
- Step 4 – Once find one boundary stone on the site and immediately do sun observation. Bearing can be using compass for compute the station coordinate.
- Step 5 – Compute the sun observation and get the true bearing before start traverse.
- Step 6 – While traversing the survey lot, try to attempt to find all the old marks on the ground. The purpose is the find a baseline for the survey. Minimum requirement is 2 old marks in position with a sun observation. However, it is advised to get 3 old marks to prove in position.
- Step 7 – Try to set station near to the boundary mark but should be 2 meter apart from station. The problem for too close is the surveyor difficult to read the boundary mark)
- Step 8 – Ensure the traverse is above first class ( close bearing should less than 1’ 15”)
- Step 9- Compute baseline with the existing data. Computation of new should be straight forward. However, PO computation sometimes is a bit troublesome where there are many loops can be computed. Select the best answer either in difference in bearing or distance.
- Step 10 – Compute PO adjusted with the acceptable baseline
- Step 11 – Compute the missing marks, new marks or refixation from the nearby station.
- Step 12- back to site for refix and plant the marks.
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