| About
this website |
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About IAL seepage management
project |
| Seepage
risk, potential |
| Identification
and measurement |
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General
issues in channel seepage identification and measurement |
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Recommended
approach and techniques |
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1
Define objectives |
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2
Collate site physical condition data |
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3
Evaluate site condition data |
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4
Select seepage measurement techniques |
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5
Implement seepage measurement techniques |
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6
Interpret results |
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Techniques
for identification and measurement |
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Inflow-outflow
tests: summary |
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Inflow-outflow
tests: principle, method |
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Inflow-outflow
tests: applicability, practical implementation, experience
from the trials, indicative costs |
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Pondage
tests: summary |
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Pondage
tests: principle, method |
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Pondage
tests: applicability, practical implementation, experience
from the trials, indicative costs |
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Point
measurement: summary |
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Point
measurement: principle, method |
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Point
measurement: applicability, practical implementation, experience
from the trials, indicative costs |
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Soil
and geological profile classification: summary |
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Soil
and geological profile classification: principle, method |
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Soil
and geological profile classification: applicability, practical
implementation, experience from the trials, indicative costs |
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Groundwater
assessment: summary |
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Groundwater
assessment: principle, method |
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Groundwater
assessment: applicability, practical implementation, experience
from the trials, indicative costs |
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Geophysical
surveys: summary |
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Geophysical
surveys: principle, method |
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Geophysical
surveys: applicability, practical implementation, experience
from the trials, indicative costs |
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Remote
sensing: summary |
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Remote
sensing: principle, method |
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Remote
sensing: applicability, practical implementation, experience
from the trials, indicative costs |
| Remediation |
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Approach
to seepage remediation assessment |
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1.
Identify and quantify the seepage problem |
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2.
Determine remediation objectives |
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3.
Collect and evaluate site information |
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4.
Review remediation objectives |
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5.
Determine assessment criteria |
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6.
Select potential techniques |
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7.
Consider all possible options |
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8.
Prepare cost estimates |
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9.
Decision to pursue seepage remediation |
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10.
Undertake economic analysis |
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11.
Prioritise techniques |
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12.
Select remediation technique |
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13.
Undertake remediation works |
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14.
Develop and implement maintenance program |
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15.
Monitor effectiveness |
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Channel
seepage remediation techniques |
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Earthen
lining techniques |
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Compacted
earthen liners |
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Clay
lining example: Channel 12 |
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Clay
lining example: Waranga Western Channel |
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Other
Australian examples |
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Channel
bank remodelling |
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Loose
earthen linings |
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Bentonite
treatments |
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Modified
soil earthen linings |
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Soil
sealants |
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Hard
surface lining techniques |
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Concrete |
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Shotcrete |
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Grouted
fabric mats |
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Soil-cement
lining |
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Flumes
and pipes |
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Tiles
and bricks |
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Asphalt |
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Flexible
membrane lining techniques |
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Flexible
membrane materials |
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Covered
liners |
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High-density
polyethylene (0.75mm) |
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Geosynthetic
clay liners |
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Exposed
liners |
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High-density
polyethylene (2mm Exposed) |
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High-density
polyethylene (1.5mm Exposed) |
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Linear
low-density PE and very low-density PE (1.5mm) |
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DamSeal |
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Unreinforced
polypropylene (1mm) |
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Unreinforced
polypropylene (0.75mm) |
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Reinforced
polypropylene (1.1mm) |
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EPDM
Rubber |
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Butyl
Rubber |
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Asphalt |
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Groundwater
intervention techniques |
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Core
trenching |
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Groundwater
pumping |
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Vegetation |
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Tile
drains |
| Remediation
costs, benefits |
| Prioritisation
of works |
| Project
review |
| Case
studies |
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Donald
Main Channel |
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Waranga
Western Channel |
|
Case study template |
| Downloads |
| Glossary |
| References |
| How
to use this website |
| Copyright |
| Disclaimer |
| Privacy |
| Contact
us |
| Site
Map |
