Difference between revisions of "Costs of solutions"

From FIThydrowiki
Jump to navigation Jump to search
(Created page with "One of the goals of the FIThydro project is to determine the financial costs of implementing mitigation measures (solutions). {| class="wikitable" |- style="text-align:cent...")
 
Line 13: Line 13:
 
| rowspan="9" style="text-align:center;" | Habitat
 
| rowspan="9" style="text-align:center;" | Habitat
 
| rowspan="4" style="text-align:center;" | Instream habitat  adjustments
 
| rowspan="4" style="text-align:center;" | Instream habitat  adjustments
| Placement of spawning gravel in   the river
+
| [[Placement of spawning gravel   in the river]]
 
| style="vertical-align:bottom;" | 10
 
| style="vertical-align:bottom;" | 10
 
| style="vertical-align:bottom;" | 100
 
| style="vertical-align:bottom;" | 100
 
| style="vertical-align:bottom;" | per cubic meter
 
| style="vertical-align:bottom;" | per cubic meter
 
|- style="vertical-align:middle;"
 
|- style="vertical-align:middle;"
| Placement of stones in the river
+
| [[Placement of stones in the river]]
 
| style="vertical-align:bottom;" | 50
 
| style="vertical-align:bottom;" | 50
 
| style="vertical-align:bottom;" | 150
 
| style="vertical-align:bottom;" | 150
 
| style="vertical-align:bottom;" | per cubic meter
 
| style="vertical-align:bottom;" | per cubic meter
 
|- style="vertical-align:middle;"
 
|- style="vertical-align:middle;"
| Cleaning of substrate - ripping, ploughing and flushing
+
| [[Cleaning of substrate - ripping, ploughing and flushing]]
 
| style="vertical-align:bottom;" | 1
 
| style="vertical-align:bottom;" | 1
 
| style="vertical-align:bottom;" | 50
 
| style="vertical-align:bottom;" | 50
 
| style="vertical-align:bottom;" | per square meter
 
| style="vertical-align:bottom;" | per square meter
 
|- style="vertical-align:middle;"
 
|- style="vertical-align:middle;"
| Placement of dead wood and debris
+
| [[Placement of dead wood and debris]]
 
| style="vertical-align:bottom;" | 10
 
| style="vertical-align:bottom;" | 10
 
| style="vertical-align:bottom;" | 150
 
| style="vertical-align:bottom;" | 150
Line 34: Line 34:
 
|- style="vertical-align:middle;"
 
|- style="vertical-align:middle;"
 
| rowspan="3" style="text-align:center;" | Re-storing habitat
 
| rowspan="3" style="text-align:center;" | Re-storing habitat
| Removal of weirs
+
| [[Removal of weirs]]
 
| style="vertical-align:bottom;" | 2,000
 
| style="vertical-align:bottom;" | 2,000
 
| style="vertical-align:bottom;" | 1,000,000
 
| style="vertical-align:bottom;" | 1,000,000
 
| style="vertical-align:bottom;" | per weir
 
| style="vertical-align:bottom;" | per weir
 
|- style="vertical-align:middle;"
 
|- style="vertical-align:middle;"
| Construction of a 'river-in-the-river'
+
| [[Construction of a 'river-in-the-river']]
 
| style="vertical-align:bottom;" | 50
 
| style="vertical-align:bottom;" | 50
 
| style="vertical-align:bottom;" | 5,000
 
| style="vertical-align:bottom;" | 5,000
 
| style="vertical-align:bottom;" | per meter
 
| style="vertical-align:bottom;" | per meter
 
|- style="vertical-align:middle;"
 
|- style="vertical-align:middle;"
| Construction of off-channel habitats
+
| [[Construction of off-channel habitats]]
 
| style="vertical-align:bottom;" | 1
 
| style="vertical-align:bottom;" | 1
 
| style="vertical-align:bottom;" | 100
 
| style="vertical-align:bottom;" | 100
Line 50: Line 50:
 
|- style="vertical-align:middle;"
 
|- style="vertical-align:middle;"
 
| rowspan="2" style="text-align:center;" | Shore-line habitat
 
| rowspan="2" style="text-align:center;" | Shore-line habitat
| Environmental design of  embankments and erosion protection
+
| [[Environmental design of  embankments and erosion protection]]
 
| style="vertical-align:bottom;" | 10
 
| style="vertical-align:bottom;" | 10
 
| style="vertical-align:bottom;" | 150
 
| style="vertical-align:bottom;" | 150
 
| style="vertical-align:bottom;" | per meter
 
| style="vertical-align:bottom;" | per meter
 
|- style="vertical-align:middle;"
 
|- style="vertical-align:middle;"
| Restoration of the riparian zone vegetation
+
| [[Restoration of the riparian zone vegetation]]
 
| style="vertical-align:bottom;" | 1
 
| style="vertical-align:bottom;" | 1
 
| style="vertical-align:bottom;" | 50
 
| style="vertical-align:bottom;" | 50
Line 62: Line 62:
 
| rowspan="19" style="text-align:center;" | Fish migration
 
| rowspan="19" style="text-align:center;" | Fish migration
 
| rowspan="12" style="text-align:center;" | Downstream
 
| rowspan="12" style="text-align:center;" | Downstream
| Migration  barrier removal
+
| [[Migration  barrier removal]]
 
| style="vertical-align:bottom;" | 2,000
 
| style="vertical-align:bottom;" | 2,000
 
| style="vertical-align:bottom;" | 1,000,000
 
| style="vertical-align:bottom;" | 1,000,000
 
| style="vertical-align:bottom;" | per project
 
| style="vertical-align:bottom;" | per project
 
|- style="text-align:center; vertical-align:middle;"
 
|- style="text-align:center; vertical-align:middle;"
| style="background-color:#F00; text-align:left;" | Operational measures (turbine operations, spillway passage)
+
| style="background-color:#F00; text-align:left;" | [[Operational measures (turbine operations, spillway passage) ]]
 
| colspan="2" style="vertical-align:bottom; background-color:#F00;" | NA
 
| colspan="2" style="vertical-align:bottom; background-color:#F00;" | NA
 
| style="vertical-align:bottom; background-color:#F00; text-align:left;" |  
 
| style="vertical-align:bottom; background-color:#F00; text-align:left;" |  
 
|- style="text-align:center; vertical-align:middle;"
 
|- style="text-align:center; vertical-align:middle;"
| style="background-color:#F00; text-align:left;" | Sensory, behavioural barriers (electricity, light, sound,  air-water curtains)
+
| style="background-color:#F00; text-align:left;" | [[Sensory, behavioural barriers (electricity, light, sound,  air-water curtains)]]
 
| colspan="2" style="vertical-align:bottom; background-color:#F00;" | NA
 
| colspan="2" style="vertical-align:bottom; background-color:#F00;" | NA
 
| style="vertical-align:bottom; background-color:#F00; text-align:left;" |  
 
| style="vertical-align:bottom; background-color:#F00; text-align:left;" |  
 
|- style="text-align:center; vertical-align:middle;"
 
|- style="text-align:center; vertical-align:middle;"
| style="background-color:#DDEBF7; text-align:left;" | Fish-friendly turbines
+
| style="background-color:#D9E1F2; text-align:left;" | [[Fish-friendly turbines ]]
| colspan="2" style="vertical-align:bottom; background-color:#DDEBF7;" | 500,000
+
| colspan="2" style="vertical-align:bottom; background-color:#D9E1F2;" | 500,000
| style="vertical-align:bottom; background-color:#DDEBF7; text-align:left;" | per turbine
+
| style="vertical-align:bottom; background-color:#D9E1F2; text-align:left;" | per turbine
 
|- style="text-align:center; vertical-align:middle;"
 
|- style="text-align:center; vertical-align:middle;"
| style="background-color:#DDEBF7; text-align:left;" | Skimming walls (fixed or floating)
+
| style="background-color:#D9E1F2; text-align:left;" | [[Skimming walls (fixed or floating)]]
| colspan="2" style="vertical-align:bottom; background-color:#DDEBF7;" | 3,000
+
| colspan="2" style="vertical-align:bottom; background-color:#D9E1F2;" | 3,000
| style="background-color:#DDEBF7; text-align:left;" | per m3/second
+
| style="background-color:#D9E1F2; text-align:left;" | per m3/second
 
|- style="vertical-align:middle;"
 
|- style="vertical-align:middle;"
| Bypass combined with other solutions
+
| [[Bypass combined with other solutions]]
 
| style="vertical-align:bottom;" | 10,000
 
| style="vertical-align:bottom;" | 10,000
 
| style="vertical-align:bottom;" | 25,000
 
| style="vertical-align:bottom;" | 25,000
 
| per m3/second
 
| per m3/second
 
|- style="vertical-align:middle;"
 
|- style="vertical-align:middle;"
| style="background-color:#FF0;" | Fish guidance structures with narrow bar spacing
+
| style="background-color:#FF0;" | [[Fish guidance structures with narrow bar spacing]]
 
| style="vertical-align:bottom; background-color:#FF0;" | 2,000
 
| style="vertical-align:bottom; background-color:#FF0;" | 2,000
 
| style="vertical-align:bottom; background-color:#FF0;" | 40,000
 
| style="vertical-align:bottom; background-color:#FF0;" | 40,000
 
| style="background-color:#FF0;" | per m3/second
 
| style="background-color:#FF0;" | per m3/second
 
|- style="vertical-align:middle;"
 
|- style="vertical-align:middle;"
| style="background-color:#FF0;" | Fish guidance structures with wide bar spacing
+
| style="background-color:#FF0;" | [[Fish guidance structures with wide bar spacing]]
 
| style="vertical-align:bottom; background-color:#FF0;" | 2,000
 
| style="vertical-align:bottom; background-color:#FF0;" | 2,000
 
| style="vertical-align:bottom; background-color:#FF0;" | 40,000
 
| style="vertical-align:bottom; background-color:#FF0;" | 40,000
 
| style="background-color:#FF0;" | per m3/second
 
| style="background-color:#FF0;" | per m3/second
 
|- style="vertical-align:middle;"
 
|- style="vertical-align:middle;"
| style="background-color:#FF0;" | Downstream fish protection system using electro shock technique
+
| style="background-color:#FF0;" | [[Downstream fish protection system using electro shock   technique]]
 
| style="vertical-align:bottom; background-color:#FF0;" |  
 
| style="vertical-align:bottom; background-color:#FF0;" |  
 
| style="vertical-align:bottom; background-color:#FF0;" |  
 
| style="vertical-align:bottom; background-color:#FF0;" |  
 
| style="background-color:#FF0;" |  
 
| style="background-color:#FF0;" |  
 
|- style="text-align:center; vertical-align:middle;"
 
|- style="text-align:center; vertical-align:middle;"
| style="background-color:#F00; text-align:left;" | Bottom-type intakes (Coanda screen, Lepine water intake,  etc.)
+
| style="background-color:#F00; text-align:left;" | [[Bottom-type intakes (Coanda screen, Lepine water intake,  etc.) ]]
 
| colspan="2" style="vertical-align:bottom; background-color:#F00;" | NA
 
| colspan="2" style="vertical-align:bottom; background-color:#F00;" | NA
 
| style="vertical-align:bottom; background-color:#F00; text-align:left;" |  
 
| style="vertical-align:bottom; background-color:#F00; text-align:left;" |  
 
|- style="text-align:center; vertical-align:middle;"
 
|- style="text-align:center; vertical-align:middle;"
| style="background-color:#FF0; text-align:left;" | Other  types of fine screens
+
| style="background-color:#FF0; text-align:left;" | [[Other  types of fine screens]]
 
| style="vertical-align:bottom; background-color:#FF0;" |  
 
| style="vertical-align:bottom; background-color:#FF0;" |  
 
| style="vertical-align:bottom; background-color:#FF0;" |  
 
| style="vertical-align:bottom; background-color:#FF0;" |  
 
| style="vertical-align:bottom; background-color:#FF0; text-align:left;" |  
 
| style="vertical-align:bottom; background-color:#FF0; text-align:left;" |  
 
|- style="text-align:center; vertical-align:middle;"
 
|- style="text-align:center; vertical-align:middle;"
| style="background-color:#FF0; text-align:left;" | Vertical  slot fishways
+
| style="background-color:#FF0; text-align:left;" | [[Vertical  slot fishways]]
 
| style="vertical-align:bottom; background-color:#FF0;" |  
 
| style="vertical-align:bottom; background-color:#FF0;" |  
 
| style="vertical-align:bottom; background-color:#FF0;" |  
 
| style="vertical-align:bottom; background-color:#FF0;" |  
Line 118: Line 118:
 
|- style="vertical-align:middle;"
 
|- style="vertical-align:middle;"
 
| rowspan="7" style="text-align:center;" | Upstream
 
| rowspan="7" style="text-align:center;" | Upstream
| Complete or partial migration  barrier removal
+
| [[Complete or partial migration  barrier removal]]
 
| style="vertical-align:bottom;" | 2,000
 
| style="vertical-align:bottom;" | 2,000
 
| style="vertical-align:bottom;" | 1,000,000
 
| style="vertical-align:bottom;" | 1,000,000
 
| style="vertical-align:bottom;" | per project
 
| style="vertical-align:bottom;" | per project
 
|- style="vertical-align:middle;"
 
|- style="vertical-align:middle;"
| Nature-like fishways
+
| [[Nature-like fishways]]
 
| style="vertical-align:bottom;" | 5,000
 
| style="vertical-align:bottom;" | 5,000
 
| style="vertical-align:bottom;" | 20,000
 
| style="vertical-align:bottom;" | 20,000
 
| style="vertical-align:bottom;" | per vertical meter
 
| style="vertical-align:bottom;" | per vertical meter
 
|- style="vertical-align:middle;"
 
|- style="vertical-align:middle;"
| Pool-type fishways
+
| [[Pool-type fishways]]
 
| style="vertical-align:bottom;" | 10,000
 
| style="vertical-align:bottom;" | 10,000
 
| style="vertical-align:bottom;" | 100,000
 
| style="vertical-align:bottom;" | 100,000
 
| style="vertical-align:bottom;" | per vertical meter
 
| style="vertical-align:bottom;" | per vertical meter
 
|- style="vertical-align:middle;"
 
|- style="vertical-align:middle;"
| Baffle fishways
+
| [[Baffle fishways]]
 
| style="vertical-align:bottom;" | 5,000
 
| style="vertical-align:bottom;" | 5,000
 
| style="vertical-align:bottom;" | 100,000
 
| style="vertical-align:bottom;" | 100,000
 
| style="vertical-align:bottom;" | per vertical meter
 
| style="vertical-align:bottom;" | per vertical meter
 
|- style="text-align:center; vertical-align:middle;"
 
|- style="text-align:center; vertical-align:middle;"
| style="background-color:#DDEBF7; text-align:left;" | Fishways for eels and lampreys
+
| style="background-color:#D9E1F2; text-align:left;" | [[Fishways for eels and lampreys]]
| colspan="2" style="vertical-align:bottom; background-color:#DDEBF7;" | 600
+
| colspan="2" style="vertical-align:bottom; background-color:#D9E1F2;" | 600
| style="vertical-align:bottom; background-color:#DDEBF7; text-align:left;" | per meter length
+
| style="vertical-align:bottom; background-color:#D9E1F2; text-align:left;" | per meter length
 
|- style="vertical-align:middle;"
 
|- style="vertical-align:middle;"
| style="background-color:#FF0;" | Fish lifts, screws, locks, and others
+
| style="background-color:#FF0;" | [[Fish lifts, screws, locks, and others]]
 
| style="vertical-align:bottom; background-color:#FF0;" | 10,000
 
| style="vertical-align:bottom; background-color:#FF0;" | 10,000
 
| style="vertical-align:bottom; background-color:#FF0;" | 500,000
 
| style="vertical-align:bottom; background-color:#FF0;" | 500,000
 
| style="vertical-align:bottom; background-color:#FF0;" | per project
 
| style="vertical-align:bottom; background-color:#FF0;" | per project
 
|- style="text-align:center; vertical-align:middle;"
 
|- style="text-align:center; vertical-align:middle;"
| style="background-color:#F00; text-align:left;" | Truck transport
+
| style="background-color:#F00; text-align:left;" | [[Truck transport]]
 
| colspan="2" style="vertical-align:bottom; background-color:#F00;" | NA
 
| colspan="2" style="vertical-align:bottom; background-color:#F00;" | NA
 
| style="vertical-align:bottom; background-color:#F00; text-align:left;" |  
 
| style="vertical-align:bottom; background-color:#F00; text-align:left;" |  
Line 153: Line 153:
 
| rowspan="8" style="text-align:center;" | Sediment
 
| rowspan="8" style="text-align:center;" | Sediment
 
| rowspan="2" style="text-align:center;" | Rout-ing
 
| rowspan="2" style="text-align:center;" | Rout-ing
| Drawdown  reservoir flushing
+
| [[Drawdown  reservoir flushing]]
 
| style="vertical-align:bottom;" | 1
 
| style="vertical-align:bottom;" | 1
 
| style="vertical-align:bottom;" | 50
 
| style="vertical-align:bottom;" | 50
 
| style="vertical-align:bottom;" | per cubic meter
 
| style="vertical-align:bottom;" | per cubic meter
 
|- style="text-align:center; vertical-align:middle;"
 
|- style="text-align:center; vertical-align:middle;"
| style="background-color:#F00; text-align:left;" | Sediment sluicing
+
| style="background-color:#F00; text-align:left;" | [[Sediment sluicing]]
 
| colspan="2" style="vertical-align:bottom; background-color:#F00;" | NA
 
| colspan="2" style="vertical-align:bottom; background-color:#F00;" | NA
 
| style="vertical-align:bottom; background-color:#F00; text-align:left;" |  
 
| style="vertical-align:bottom; background-color:#F00; text-align:left;" |  
 
|- style="text-align:center; vertical-align:middle;"
 
|- style="text-align:center; vertical-align:middle;"
 
| rowspan="4" | Removal
 
| rowspan="4" | Removal
| style="background-color:#F00; text-align:left;" | By-passing  sediments
+
| style="background-color:#F00; text-align:left;" | [[By-passing  sediments ]]
 
| colspan="2" style="background-color:#F00;" | NA
 
| colspan="2" style="background-color:#F00;" | NA
 
| style="vertical-align:bottom; background-color:#F00; text-align:left;" |  
 
| style="vertical-align:bottom; background-color:#F00; text-align:left;" |  
 
|- style="text-align:center; vertical-align:middle;"
 
|- style="text-align:center; vertical-align:middle;"
| style="background-color:#F00; text-align:left;" | Off-channel reservoir storage
+
| style="background-color:#F00; text-align:left;" | [[Off-channel reservoir storage]]
 
| colspan="2" style="vertical-align:bottom; background-color:#F00;" | NA
 
| colspan="2" style="vertical-align:bottom; background-color:#F00;" | NA
 
| style="vertical-align:bottom; background-color:#F00; text-align:left;" |  
 
| style="vertical-align:bottom; background-color:#F00; text-align:left;" |  
 
|- style="vertical-align:middle;"
 
|- style="vertical-align:middle;"
| Mechanical removal of fine sediments (dredging)
+
| [[Mechanical removal of fine sediments (dredging)]]
 
| style="vertical-align:bottom;" | 5
 
| style="vertical-align:bottom;" | 5
 
| style="vertical-align:bottom;" | 10
 
| style="vertical-align:bottom;" | 10
 
| style="vertical-align:bottom;" | per cubic meter
 
| style="vertical-align:bottom;" | per cubic meter
 
|- style="text-align:center; vertical-align:middle;"
 
|- style="text-align:center; vertical-align:middle;"
| style="text-align:left;" | Minimizing the sediment arrival to the reservoir
+
| style="text-align:left;" | [[Minimizing the sediment arrival to the reservoir]]
 
| colspan="2" style="vertical-align:bottom;" | 150,000
 
| colspan="2" style="vertical-align:bottom;" | 150,000
 
| style="vertical-align:bottom; text-align:left;" | per Vortex tube
 
| style="vertical-align:bottom; text-align:left;" | per Vortex tube
 
|- style="text-align:center; vertical-align:middle;"
 
|- style="text-align:center; vertical-align:middle;"
 
| rowspan="2" | Restoration in rivers
 
| rowspan="2" | Restoration in rivers
| style="background-color:#F00; text-align:left;" | Removal of bank protection
+
| style="background-color:#F00; text-align:left;" | [[Removal of bank protection]]
 
| colspan="2" style="vertical-align:bottom; background-color:#F00;" | NA
 
| colspan="2" style="vertical-align:bottom; background-color:#F00;" | NA
 
| style="vertical-align:bottom; background-color:#F00; text-align:left;" |  
 
| style="vertical-align:bottom; background-color:#F00; text-align:left;" |  
 
|- style="text-align:center; vertical-align:middle;"
 
|- style="text-align:center; vertical-align:middle;"
| style="background-color:#F00; text-align:left;" | Debris removal
+
| style="background-color:#F00; text-align:left;" | [[Debris removal]]
 
| colspan="2" style="vertical-align:bottom; background-color:#F00;" | NA
 
| colspan="2" style="vertical-align:bottom; background-color:#F00;" | NA
 
| style="vertical-align:bottom; background-color:#F00; text-align:left;" |  
 
| style="vertical-align:bottom; background-color:#F00; text-align:left;" |  
Line 191: Line 191:
 
| rowspan="3" style="text-align:center;" | Environmental flow
 
| rowspan="3" style="text-align:center;" | Environmental flow
 
| rowspan="2" style="text-align:center;" | General flow regime
 
| rowspan="2" style="text-align:center;" | General flow regime
| style="background-color:#FF0;" | Mitigating  reduced annual flow and low flow measures
+
| style="background-color:#FF0;" | [[Mitigating  reduced annual flow and low flow measures ]]
 
| style="vertical-align:bottom; background-color:#FF0;" |  
 
| style="vertical-align:bottom; background-color:#FF0;" |  
 
| style="vertical-align:bottom; background-color:#FF0;" |  
 
| style="vertical-align:bottom; background-color:#FF0;" |  
 
| style="vertical-align:bottom; background-color:#FF0;" |  
 
| style="vertical-align:bottom; background-color:#FF0;" |  
 
|- style="vertical-align:middle;"
 
|- style="vertical-align:middle;"
| style="background-color:#FF0;" | Mitigating reduced flood peaks, magnitudes and frequency
+
| style="background-color:#FF0;" | [[Mitigating reduced flood peaks, magnitudes and frequency]]
 
| style="vertical-align:bottom; background-color:#FF0;" |  
 
| style="vertical-align:bottom; background-color:#FF0;" |  
 
| style="vertical-align:bottom; background-color:#FF0;" |  
 
| style="vertical-align:bottom; background-color:#FF0;" |  
Line 202: Line 202:
 
|- style="vertical-align:middle;"
 
|- style="vertical-align:middle;"
 
| style="text-align:center;" | Short-term flow regime
 
| style="text-align:center;" | Short-term flow regime
| style="background-color:#FF0;" | Mitigating  rapid, short-term variations in flow (hydro-peaking operations)
+
| style="background-color:#FF0;" | [[Mitigating  rapid, short-term variations in flow (hydro-peaking operations)]]
 
| style="vertical-align:bottom; background-color:#FF0;" |  
 
| style="vertical-align:bottom; background-color:#FF0;" |  
 
| style="vertical-align:bottom; background-color:#FF0;" |  
 
| style="vertical-align:bottom; background-color:#FF0;" |  
 
| style="vertical-align:bottom; background-color:#FF0;" |  
 
| style="vertical-align:bottom; background-color:#FF0;" |  
 
|}
 
|}

Revision as of 08:34, 5 August 2020

One of the goals of the FIThydro project is to determine the financial costs of implementing mitigation measures (solutions).

Library of possible measures Min Max Unit
[Euro] [Euro]
Habitat Instream habitat adjustments Placement of spawning gravel in the river 10 100 per cubic meter
Placement of stones in the river 50 150 per cubic meter
Cleaning of substrate - ripping, ploughing and flushing 1 50 per square meter
Placement of dead wood and debris 10 150 per meter
Re-storing habitat Removal of weirs 2,000 1,000,000 per weir
Construction of a 'river-in-the-river' 50 5,000 per meter
Construction of off-channel habitats 1 100 per square meter
Shore-line habitat Environmental design of embankments and erosion protection 10 150 per meter
Restoration of the riparian zone vegetation 1 50 per square meter
Fish migration Downstream Migration barrier removal 2,000 1,000,000 per project
Operational measures (turbine operations, spillway passage) NA
Sensory, behavioural barriers (electricity, light, sound, air-water curtains) NA
Fish-friendly turbines 500,000 per turbine
Skimming walls (fixed or floating) 3,000 per m3/second
Bypass combined with other solutions 10,000 25,000 per m3/second
Fish guidance structures with narrow bar spacing 2,000 40,000 per m3/second
Fish guidance structures with wide bar spacing 2,000 40,000 per m3/second
Downstream fish protection system using electro shock technique
Bottom-type intakes (Coanda screen, Lepine water intake, etc.) NA
Other types of fine screens
Vertical slot fishways
Upstream Complete or partial migration barrier removal 2,000 1,000,000 per project
Nature-like fishways 5,000 20,000 per vertical meter
Pool-type fishways 10,000 100,000 per vertical meter
Baffle fishways 5,000 100,000 per vertical meter
Fishways for eels and lampreys 600 per meter length
Fish lifts, screws, locks, and others 10,000 500,000 per project
Truck transport NA
Sediment Rout-ing Drawdown reservoir flushing 1 50 per cubic meter
Sediment sluicing NA
Removal By-passing sediments NA
Off-channel reservoir storage NA
Mechanical removal of fine sediments (dredging) 5 10 per cubic meter
Minimizing the sediment arrival to the reservoir 150,000 per Vortex tube
Restoration in rivers Removal of bank protection NA
Debris removal NA
Environmental flow General flow regime Mitigating reduced annual flow and low flow measures
Mitigating reduced flood peaks, magnitudes and frequency
Short-term flow regime Mitigating rapid, short-term variations in flow (hydro-peaking operations)