Note: the info on this page is temporary, for demonstration purposes File:Broken
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 sediment arrival to 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)
|
|
|
|
