Forest Road Engineering Guidebook - Ministry of Forests

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Forest Road Engineering Guidebook Figure 10. Typical 5-year road showing debris placement. 66
Piling and burning Burnable slash and debris Firebreak* to be 2 times the width of the slash and debris pile (not to scale) Figure 11. Slash and debris disposal by piling and burning. Forest Road Engineering Guidebook Piling and burning (Figure 11) may be considered as an alternative to burying in areas with flatter terrain, heavy slash loading, and moderate to high pest or fire hazard, and where smoke management objectives can be met. Where possible, use natural openings and landings. • pile slash and debris at least twice the width of the pile away from standing timber • to facilitate efficient burning, ensure that the slash pile contains as little soil as is possible • ensure that slash is piled tightly, using a brush blade or excavator • excavate a fireguard down to mineral soil around each burn pile to prevent ground fire escape • ensure that a Burning Reference Number has been obtained before initiating the burn. The use of burning racks can be very useful to ensure that a hot clean burn results. This eliminates the need to push in or re-pile debris that does not burn cleanly. * Firebreak required by the Forest Fire Suppression and Prevention Regulation 67
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Endhauling road fill pullback Endha
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Office review tion prescription and
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• vehicle usage (4-wheel drive, A
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Care should be taken in verifying i
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Field observations (prescription in
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Appendix 1. Field identification of
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Soil consistency Soil density The c
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Appendix 2. Vertical (parabolic) cu
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Design speed (km/h) Design speed (k
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Table A2.4. Vertical curve elements
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• PWL and HWL, where applicable
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Appendix 5. Tables to establish cle
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1. To compensate for a cut at the c
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Appendix 8. Example field data form
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Appendix 10. Landslide risk analysi
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• the type of materials involved
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Table A10.2. Example of a qualitati
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Table A10.7. Example of consequence
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