Forest Road Engineering Guidebook - Ministry of Forests

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Forest Road Engineering Guidebook 172 • title block indicating road name, kilometre, date of survey, and scale (horizontal and vertical) • special notes indicating land district, road width, survey level, and datum of elevation • all legal boundaries and plan numbers • all monumentation found and tied within 300 m of the P-line, including a traverse tie table. A key map should also be included on the first drawing of the set to a scale of 1:50 000. Note that no curves are required where I is less than or equal to 5°. Profiles should include the following information: • chainage and elevation equations • description of soils (at least every 200 m or at soil change) • terrain features (creeks, rivers, swamps, wet areas, riparian areas, etc.) • penetration depths at swamps and wet areas to solid ground, if possible • grade lines completed with percent grades labelled (adverse or negative) • grade breaks at grade changes of 2% or less • vertical curves at grade changes greater than 2% • turnout locations and dimensions • design notes (extra ditching, lateral ditching, road widenings, etc.) • culvert locations with recommended diameter, length, and skew • kilometre stations • primary excavation and primary embankment volumes summarized in bank cubic metres at 200 m intervals • secondary embankment (gravel) volumes summarized in bank cubic metres at 200 m intervals • waste and borrow locations, quantities in bank cubic metres, and quantity movements • scale: H = 1:2000; V = 1:200 • 100 m of existing road grade and horizontal alignment at junction • balance points and direction of material movement • position of cut and fill slope changes
• PWL and HWL, where applicable • span lengths for bridges • all control points • design templates • K values if used for vertical curves. Forest Road Engineering Guidebook 173
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Page 132 and 133: Forest Road Engineering Guidebook 1
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Page 159 and 160: Endhauling road fill pullback Endha
Page 161 and 162: Office review tion prescription and
Page 163 and 164: • vehicle usage (4-wheel drive, A
Page 165 and 166: Care should be taken in verifying i
Page 167 and 168: Field observations (prescription in
Page 169 and 170: Forest Road Engineering Guidebook B
Page 171 and 172: Appendix 1. Field identification of
Page 173 and 174: Soil consistency Soil density The c
Page 175 and 176: Appendix 2. Vertical (parabolic) cu
Page 177 and 178: Design speed (km/h) Design speed (k
Page 179 and 180: Table A2.4. Vertical curve elements
Page 181: Forest Road Engineering Guidebook A
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Page 189 and 190: Appendix 5. Tables to establish cle
Page 191 and 192: 1. To compensate for a cut at the c
Page 193 and 194: Forest Road Engineering Guidebook T
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Page 203 and 204: Appendix 8. Example field data form
Page 207 and 208: Appendix 10. Landslide risk analysi
Page 209 and 210: • the type of materials involved
Page 211 and 212: Table A10.2. Example of a qualitati
Page 215 and 216: Table A10.7. Example of consequence
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