Forest Road Engineering Guidebook - Ministry of Forests
Forest Road Engineering Guidebook - Ministry of Forests
Forest Road Engineering Guidebook - Ministry of Forests
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Appendices<br />
<strong>Forest</strong> <strong>Road</strong> <strong>Engineering</strong> <strong>Guidebook</strong><br />
1. Field identification <strong>of</strong> soils . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161<br />
2. Vertical (parabolic) curves. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165<br />
3. Plotting data: plan and pr<strong>of</strong>ile information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171<br />
4. Statement <strong>of</strong> construction conformance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177<br />
5. Tables to establish clearing width . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179<br />
6. Sample road inspection and maintenance report. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187<br />
7. Sample road deactivation inspection report . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191<br />
8. Example field data form for deactivation field assessments. . . . . . . . . . . . . . . . . . . . . . 193<br />
9. Example road deactivation prescription content requirements . . . . . . . . . . . . . . . . . . . . 195<br />
10. Landslide risk analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197<br />
Figures<br />
1. Typical benchmarks and reference.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12<br />
2. Typical roadway on moderate slopes with no additional clearing.. . . . . . . . . . . . . . . . . . 15<br />
3. Example <strong>of</strong> material volume variation with time for various stages <strong>of</strong><br />
road construction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18<br />
4. Sample <strong>of</strong> general arrangement and layout (simple creek crossing). . . . . . . . . . . . . . . . . 44<br />
5. Sample <strong>of</strong> general arrangement and layout (complex creek crossing). . . . . . . . . . . . . . . 45<br />
6. High water width cross-sectional area. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53<br />
7. Typical roadway on gentle slopes with no additional clearing. . . . . . . . . . . . . . . . . . . . . 59<br />
8. Typical permanent roadway on moderate slopes (best practice). . . . . . . . . . . . . . . . . . . . 60<br />
9. Permanent road in low likelihood <strong>of</strong> landslide terrain (acceptable practice). . . . . . . . . . 65<br />
10. Typical 5-year road showing debris placement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66<br />
11. Slash and debris disposal by piling and burning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67<br />
12. Slash and debris disposal by burying.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68<br />
13. Slash and debris disposal by trenching. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69<br />
14. Slash and debris disposal by scattering. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71<br />
15. Overlanding cross-section with corduroy.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82<br />
16. Overlanding cross-section with inverted stumps.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82<br />
17. Typical snow road. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88<br />
18. One-season winter road. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89<br />
19. Simple log culvert. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106<br />
20. Fill containment for log culvert. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109<br />
21. Plan and pr<strong>of</strong>ile <strong>of</strong> a ford crossing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118<br />
22. Cross-ditch installation across an intact road.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137<br />
23. Cross-ditch installation across full road pullback. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138<br />
vii
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