Mitigation measures


1.1: Hydroseeding

Category 1 : NBS FOR EROSION CONTROL - Living approach / NBS for erosjonsreduksjon - levende materialer

1.2: Turfing

Category 1 : NBS FOR EROSION CONTROL - Living approach / NBS for erosjonsreduksjon - levende materialer

1.3: Tree bushes direct/pit planting (Live transplanting)

Category 1 : NBS FOR EROSION CONTROL - Living approach / NBS for erosjonsreduksjon - levende materialer

1.4: Live/inert fascines and straw wattles

Category 1 : NBS FOR EROSION CONTROL - Living approach / NBS for erosjonsreduksjon - levende materialer

1.5: Brush mattresses

Category 1 : NBS FOR EROSION CONTROL - Living approach / NBS for erosjonsreduksjon - levende materialer

1.6: Brush layering

Category 1 : NBS FOR EROSION CONTROL - Living approach / NBS for erosjonsreduksjon - levende materialer

1.7: Live stakes (Live poles)

Category 1 : NBS FOR EROSION CONTROL - Living approach / NBS for erosjonsreduksjon - levende materialer

1.8: Live smiles

Category 1 : NBS FOR EROSION CONTROL - Living approach / NBS for erosjonsreduksjon - levende materialer

2.1: Geotextiles (Rolled erosion control products)

Category 2 : NBS FOR EROSION CONTROL - Combined living/not living approach / NBS for erosjonsreduksjon - kombinerte levende/ikke levende materialer

2.2: Drainage blankets

Category 2 : NBS FOR EROSION CONTROL - Combined living/not living approach / NBS for erosjonsreduksjon - kombinerte levende/ikke levende materialer

2.3: Beach replenishment/nourishment

Category 2 : NBS FOR EROSION CONTROL - Combined living/not living approach / NBS for erosjonsreduksjon - kombinerte levende/ikke levende materialer

2.4: Rip-rap

Category 2 : NBS FOR EROSION CONTROL - Combined living/not living approach / NBS for erosjonsreduksjon - kombinerte levende/ikke levende materialer

2.5: Rock dentition

Category 2 : NBS FOR EROSION CONTROL - Combined living/not living approach / NBS for erosjonsreduksjon - kombinerte levende/ikke levende materialer

3.1: Removal of (actual or potentially) unstable soil/rock mass

Category 3 : MODIFYING THE SLOPE GEOMETRY - mass distribution

3.2: Removal of loose or potentially unstable blocks/boulders (trimming and scaling)

Category 3 : MODIFYING THE SLOPE GEOMETRY - mass distribution

3.3: Removal of material from driving area

Category 3 : MODIFYING THE SLOPE GEOMETRY - mass distribution

3.4: Substitution of material in driving area with light weight fill

Category 3 : MODIFYING THE SLOPE GEOMETRY - mass distribution

3.5: Addition of material to the area maintaining stability

Category 3 : MODIFYING THE SLOPE GEOMETRY - mass distribution

3.6: Terracing (NBS)

Category 3 : MODIFYING THE SLOPE GEOMETRY - mass distribution

4.1: Surface drainage works (Ditches, Channels, Pipeworks)

Category 4 : MODIFYING THE SURFACE WATER REGIME – Surface drainage

4.2: Local regrading to facilitate runoff

Category 4 : MODIFYING THE SURFACE WATER REGIME – Surface drainage

4.3: Sealing tension cracks

Category 4 : MODIFYING THE SURFACE WATER REGIME – Surface drainage

4.4: Impermeabilization (Geo Membranes, Impervious facing)

Category 4 : MODIFYING THE SURFACE WATER REGIME – Surface drainage

4.5: Vegetation - Hydrological effects (NBS)

Category 4 : MODIFYING THE SURFACE WATER REGIME – Surface drainage

4.6: Hydraulic Control Works (Channel Lining and Check Dams)

Category 4 : MODIFYING THE SURFACE WATER REGIME – Surface drainage

4.7: Diversion channels

Category 4 : MODIFYING THE SURFACE WATER REGIME – Surface drainage

4.8: Live pole drains (NBS)

Category 4 : MODIFYING THE SURFACE WATER REGIME – Surface drainage

4.9: Live/rock check dams (NBS)

Category 4 : MODIFYING THE SURFACE WATER REGIME – Surface drainage

5.1: Shallow trenches filled with free-draining material

Category 5 : MODIFYING THE GROUNDWATER REGIME – Deep drainage

5.2: Deep trenches filled with free-draining material

Category 5 : MODIFYING THE GROUNDWATER REGIME – Deep drainage

5.3: Sub-horizontal drains (conventional drilling)

Category 5 : MODIFYING THE GROUNDWATER REGIME – Deep drainage

5.4: Sub-horizontal drains (directional drilling)

Category 5 : MODIFYING THE GROUNDWATER REGIME – Deep drainage

5.5: Small and medium diameter vertical wells - general aspects

Category 5 : MODIFYING THE GROUNDWATER REGIME – Deep drainage

5.5: Vertical small diameter (< 800m) Wells - relief of artesian pressure

Category 5 : MODIFYING THE GROUNDWATER REGIME – Deep drainage

5.5: Vertical small diameter (< 800m) Wells - Underdrainage of perched acquifer

Category 5 : MODIFYING THE GROUNDWATER REGIME – Deep drainage

5.5: Pumps

Category 5 : MODIFYING THE GROUNDWATER REGIME – Deep drainage

5.5: Vertical small diameter (<800 mm) Wells - Siphoning

Category 5 : MODIFYING THE GROUNDWATER REGIME – Deep drainage

5.5: Vertical medium diameter (1200-1500mm) Wells- gravity drainage through base conductor

Category 5 : MODIFYING THE GROUNDWATER REGIME – Deep drainage

5.5: Vertical large diameter (>2000mm) Wells – gravity drainage through base conductor

Category 5 : MODIFYING THE GROUNDWATER REGIME – Deep drainage

5.5: Caisson (> 5-6m), with gravity drainage (and secondary sub-horizontal drains)

Category 5 : MODIFYING THE GROUNDWATER REGIME – Deep drainage

5.6: Drainage tunnels, Adits, Galleries with secondary drains or as outlet for wells

Category 5 : MODIFYING THE GROUNDWATER REGIME – Deep drainage

6.1: Vegetation - mechanical effects (NBS)

Category 6 : MODIFYING THE MECHANICAL CHARACTERISTICS OF THE UNSTABLE MASS

6.2: SUBSTITUTION

Category 6 : MODIFYING THE MECHANICAL CHARACTERISTICS OF THE UNSTABLE MASS

6.3: Compaction from surface

Category 6 : MODIFYING THE MECHANICAL CHARACTERISTICS OF THE UNSTABLE MASS

6.4: Deep compaction (vibrocompaction – vibroreplacement - vibrodisplacement)

Category 6 : MODIFYING THE MECHANICAL CHARACTERISTICS OF THE UNSTABLE MASS

6.5: Mechanical deep mixing with lime and/or cement

Category 6 : MODIFYING THE MECHANICAL CHARACTERISTICS OF THE UNSTABLE MASS

6.6: Low pressure grouting with cementitious or chemical binder

Category 6 : MODIFYING THE MECHANICAL CHARACTERISTICS OF THE UNSTABLE MASS

6.7: Jet grouting

Category 6 : MODIFYING THE MECHANICAL CHARACTERISTICS OF THE UNSTABLE MASS

6.8: Modification of groundwater chemistry (e.g. lime piles)

Category 6 : MODIFYING THE MECHANICAL CHARACTERISTICS OF THE UNSTABLE MASS

7.1: Counterfort drains (trench drains intersecting basal shear plane)

Category 7 : TRANSFER OF LOADS TO MORE COMPETENT STRATA

7.2: Piles

Category 7 : TRANSFER OF LOADS TO MORE COMPETENT STRATA

7.3: Barrettes (diaphragm walls)

Category 7 : TRANSFER OF LOADS TO MORE COMPETENT STRATA

7.4: Caissons - Mechanical effects

Category 7 : TRANSFER OF LOADS TO MORE COMPETENT STRATA

7.5: Soil nailing

Category 7 : TRANSFER OF LOADS TO MORE COMPETENT STRATA

7.6: Dowels and harnessing

Category 7 : TRANSFER OF LOADS TO MORE COMPETENT STRATA

7.7: Rock Bolting

Category 7 : TRANSFER OF LOADS TO MORE COMPETENT STRATA

7.8: Strand anchors

Category 7 : TRANSFER OF LOADS TO MORE COMPETENT STRATA

7.9: Soil nail and root technology - SNART (Hybrid)

Category 7 : TRANSFER OF LOADS TO MORE COMPETENT STRATA

8.1: Reinforced Soil Structures

Category 8 : RETAINING STRUCTURES TO IMPROVE THE SLOPE STABILITY

8.2: Gabion walls

Category 8 : RETAINING STRUCTURES TO IMPROVE THE SLOPE STABILITY

8.3: Crib walls

Category 8 : RETAINING STRUCTURES TO IMPROVE THE SLOPE STABILITY

8.4: Drystack masonry walls

Category 8 : RETAINING STRUCTURES TO IMPROVE THE SLOPE STABILITY

8.5: Mass concrete or masonry walls

Category 8 : RETAINING STRUCTURES TO IMPROVE THE SLOPE STABILITY

8.6: Reinforced concrete stem walls

Category 8 : RETAINING STRUCTURES TO IMPROVE THE SLOPE STABILITY

8.7: Vegetated gabions (Hybrid)

Category 8 : RETAINING STRUCTURES TO IMPROVE THE SLOPE STABILITY

8.8: Live crib walls (NBS)

Category 8 : RETAINING STRUCTURES TO IMPROVE THE SLOPE STABILITY

8.9: Vegetated slope gratings (Hybrid)

Category 8 : RETAINING STRUCTURES TO IMPROVE THE SLOPE STABILITY

9.1: Deflection structures (Berms)

Category 9 : PASSIVE CONTROL WORKS FOR DEVIATING THE PATH OF A LANDSLIDE

9.2: Rock sheds

Category 9 : PASSIVE CONTROL WORKS FOR DEVIATING THE PATH OF A LANDSLIDE

9.3: Channelization structures (Lateral walls)

Category 9 : PASSIVE CONTROL WORKS FOR DEVIATING THE PATH OF A LANDSLIDE

10.1: Debris racks

Category 10 : PASSIVE CONTROL WORKS FOR DISSIPATING THE ENERGY OF A LANDSLIDE

10.2: Baffles (Impediments)

Category 10 : PASSIVE CONTROL WORKS FOR DISSIPATING THE ENERGY OF A LANDSLIDE

10.3: Check dams

Category 10 : PASSIVE CONTROL WORKS FOR DISSIPATING THE ENERGY OF A LANDSLIDE

10.4: Attenuator systems

Category 10 : PASSIVE CONTROL WORKS FOR DISSIPATING THE ENERGY OF A LANDSLIDE

10.5: Afforestation (NBS)

Category 10 : PASSIVE CONTROL WORKS FOR DISSIPATING THE ENERGY OF A LANDSLIDE

10.6: Live gully breaks (NBS)

Category 10 : PASSIVE CONTROL WORKS FOR DISSIPATING THE ENERGY OF A LANDSLIDE

11.1: Rigid barrier

Category 11 : PASSIVE CONTROL WORKS FOR ARRESTING AND CONTAINING LANDSLIDES

11.2: Flexible barriers

Category 11 : PASSIVE CONTROL WORKS FOR ARRESTING AND CONTAINING LANDSLIDES

11.3: Ditches and embankments

Category 11 : PASSIVE CONTROL WORKS FOR ARRESTING AND CONTAINING LANDSLIDES

11.4: Debris retention basin

Category 11 : PASSIVE CONTROL WORKS FOR ARRESTING AND CONTAINING LANDSLIDES