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MSE berms have
been used in roadway applications for more than 40 years and in
landfill applications for approximately 20 years. Geosynthetic
experts have done extensive research to test, document and support
the use of MSE berms and predict that properly maintained MSE berms
will last for hundreds of years before a structural failure of the
berm would occur.
Significant utilization of MSE berms has increased as many existing
landfills are nearing capacity and the siting of new landfills is
very difficult. Owners and environmental agencies are now exploring
ways to optimize the capacity of existing landfill footprints. One
way to do this is to construct properly engineered perimeter berms
around a landfill facility. One optimization technology is the use
of mechanically stabilized earth (MSE) berms. MSE berms consist of
compacted earth reinforced with geosynthetic layers.
MSE berms provide
more disposal capacity on the existing footprint of a landfill by
building a vertical structure (the MSE berm) around the base of the
landfill (or partly around the landfill), and then filling the space
between the berm and the existing sideslope with waste. MSE berms
may also create capacity by allowing the landfill to be built
higher.
Pinnacle Design/Build -
MSE Berm Project Profiles
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South Hadley Landfill Expansion,
South Hadley, MA
PROJECT
FACTS:
Wall
Area
= 15,000 SF;
Max Ht
= 45 FT
CHALLENGE:
The owner of this landfill required additional capacity for
municipal waste at its existing landfill located in central
Massachusetts
SOLUTION:
A 45 foot vertical expansion of the landfill was achieved by
constructing a MSE Berm along the perimeter of the existing
landfill. The project’s civil engineer ARM Group,
Inc.
designed the MSE Berm to include their patent pending solar
panel foundation support posts.
VALUE:
Pinnacle Design/Build constructed the MSE Berm reinforced
with Tensar geogrids. Half of the MSE Berm utilized a green
facing that will blend with the surrounding vegetation and
provide a “green solution”. The solar panel section of the
MSE Berm was constructed with a wire facing filled with
crushed rock.
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Western Berks Landfill,
Birdsboro, PA
PROJECT
FACTS:
Wall
Area
= 50,000 SF;
Max Ht
= 45 FT
CHALLENGE:
The owner of this landfill required additional capacity for
municipal waste at its existing landfill located in central
Pennsylvania.
SOLUTION:
A 45 foot vertical expansion of the landfill was achieved by
constructing a MSE Berm along the perimeter of the existing
landfill.
VALUE:
Pinnacle Design/Build constructed the vegetated MSE Berm
reinforced with Tensar geogrids. The MSE Berm’s green
facing blended nicely with the surrounding area and provided
a “green solution”.
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Lake View Landfill,
Erie, PA
PROJECT
FACTS:
Wall
Area
= 25,000 SF;
Max Ht
= 45 FT
CHALLENGE:
The owner of this landfill required additional capacity for
municipal waste at its existing landfill located in
northwestern Pennsylvania.
SOLUTION:
A 45 foot vertical expansion of the landfill was achieved by
constructing a MSE Berm along the perimeter of the existing
landfill.
VALUE:
Pinnacle Design/Build constructed the vegetated MSE Berm
reinforced with Tensar geogrids. The MSE Berm’s green
facing blended nicely with the surrounding area and provided
a “green solution”. The Berm was constructed in just one
month, meeting the owner's time sensitive schedule.
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