Classified in Geology

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Road Stages

1. Pioneering: Removal of trees to allow for road installation
2. Clearing and grubbing: Removal of vegetation, rocks, stumps, and other Obstacle
3. Establishing the subgrade: smoothing the grade and cutting or filling the grade As necessary
4. Establishing final road grade: adjusting final grade and finishing road template
5. Installing drainage structures                   
6. Surfacing the road                           Road Shapes
7. Stream crossings                              - Insloped:  sloped in towards uphill side of terrain into a ditch
8. Maintenance                                    - Outsloped
9. Closure                                             - Crowned

Culvert Diameter
D= (A/.005454)^.5

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