Geosynthetics June/July 2019 - 40
Streambank restoration using engineered bank stabilization
hardwood mulch, topsoil, Profile
Products ProGanics (pellets) and permanent seed mixture.
* Native trees, shrubs and other plants
were planted in the tops of the EBS
units and various locations along the
slope to reestablish a vegetated riparian
buffer (Figure 9).
Figure 10 depicts the Mountain
Creek project vegetation establishment
in September 2018 nine months following construction.
Conclusion
FIGURE 9 To restore the riparian buffer zone in the restoration area, the Red Bank Elementary
"Stream Team" planted native trees and shrubs in the SCOURLOK units.
FIGURE 10 Permanent vegetation establishment
40
Geosynthetics | June July 2019
The top row of the EBS units were
filled, backfilled and compacted with existing clay soils located on the project site.
An organic growth media was placed in
the top 4-6 inches (10-15 cm) of the top
units to allow for vegetation establishment.
One hundred and five feet (32 m)
of streambank was restored using the
EBS system while the HPTRM + EEAs
were used to stabilize and prevent erosion
to the reconstructed 3H:1V backslope
(Figure 8 on page 41).
In order to establish permanent vegetation, the following materials were used
on the project site:
* Profile Products ProGanics and a
starter fertilizer were placed on the
reconstructed slope prior to the
HPTRM + EEAs installation.
* Profile Products Flexterra hydromulch with permanent seed was
sprayed on top of the HPTRM.
* The EBS vegetated pockets and
tops were filled with a mixture of
The Mountain Creek streambank restoration project began in early December
2017 and was completed in January
2018. One hundred and five feet (32
m) of streambank and the above slope
were successfully restored and stabilized.
This restoration protected Red Bank
Elementary School's access road, prevented additional sediment from being
deposited in an impaired watershed and
most importantly provided a safe outdoor nature classroom where students
can continue to take part in restoration
efforts of the Mountain Creek watershed.
By combining rigid metal cells internally lined with a nonwoven geotextile
and an outside HPTRM wrap, an easily constructible gravity-wall system is
now available for streambank, shoreline
and slope stabilization. The HPTRM
wrap provides a flexible exterior, controls erosion and improves system durability while forming pockets that can
be filled with mulch or other media to
promote and sustain vegetation. The
durable geotextile lining allows the rigid
cells to be filled with earth, sand, gravel,
crushed rock and other granular material.
Potential projects range from landscaping
enhancements for residential and commercial properties to large-scale shoreline
protection, as well as landslide repairs
requiring a toe buttress.
Geosynthetics June/July 2019
Table of Contents for the Digital Edition of Geosynthetics June/July 2019
Geosynthetics June/July 2019 - Cover1
Geosynthetics June/July 2019 - Cover2
Geosynthetics June/July 2019 - 1
Geosynthetics June/July 2019 - 2
Geosynthetics June/July 2019 - 3
Geosynthetics June/July 2019 - 4
Geosynthetics June/July 2019 - 5
Geosynthetics June/July 2019 - 6
Geosynthetics June/July 2019 - 7
Geosynthetics June/July 2019 - 8
Geosynthetics June/July 2019 - 9
Geosynthetics June/July 2019 - 10
Geosynthetics June/July 2019 - 11
Geosynthetics June/July 2019 - 12
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Geosynthetics June/July 2019 - 14
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Geosynthetics June/July 2019 - 16
Geosynthetics June/July 2019 - 17
Geosynthetics June/July 2019 - 18
Geosynthetics June/July 2019 - 19
Geosynthetics June/July 2019 - 20
Geosynthetics June/July 2019 - 21
Geosynthetics June/July 2019 - 22
Geosynthetics June/July 2019 - 23
Geosynthetics June/July 2019 - 24
Geosynthetics June/July 2019 - 25
Geosynthetics June/July 2019 - 26
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Geosynthetics June/July 2019 - 40
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Geosynthetics June/July 2019 - 53
Geosynthetics June/July 2019 - 54
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Geosynthetics June/July 2019 - 56
Geosynthetics June/July 2019 - Cover3
Geosynthetics June/July 2019 - Cover4
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