1. NETWORK LEVELING & CONTOURING 1 A contour line is a line that passes through points having the same elevation. It is produced by intersecting imaginary horizontal surface(s) with the earth topography (10.00)

2. 2 NETWORK LEVELING & CONTOURING

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7. 7 Contour Interval: Contour Interval: The vertical distance between any 2 consecutive contour lines (to be selected based on Topography, Cost, Applications)

8. 8  Different types of lines should be used for contours of major elevations.

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15. 15 Field Procedure: (Method 1) NETWORK LEVELING & CONTOURING 1-Network Alignment

16. 16 Field Procedure: (Method 1) NETWORK LEVELING & CONTOURING 2-Leveling

17. 17 Field Procedure: (Method 1) NETWORK LEVELING & CONTOURING 3-Contour Map 4 4.55 5 4 3.5 4.5 55.55 33.544.555.565 6 33.544.5 5.5 64.5 3.5 Contour Interval: The vertical distance between any 2 consecutive contour lines (to be selected based on Topography, Cost, Applications)

19. 4.9 55.56 6 54.543.8 3 3.5 6 6.5 4.5 5 5.5 4

20. 20 Field/Office Procedure: (Method 2) NETWORK LEVELING & CONTOURING

21. 21 Spot Elevations

22. 22 Spot Elevations File

23. 23 Grid File Generation

24. 24 Contour Map

25. 25 3D View

26. 26 NEW TECHNOLOGIES LASER LEVELING LASER SCANNING TOPCON FARO THANK YOU..