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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)

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2 NETWORK LEVELING & CONTOURING

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

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

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

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

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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)

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

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

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21 Spot Elevations

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22 Spot Elevations File

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23 Grid File Generation

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24 Contour Map

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25 3D View

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