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Placement Area Data
Dredge Maneuvering Characteristics
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4
Dredging
Operational
Characteristics
Analyses
This
chapter
presents
the
dredge's
operational
characteristics
analyses.
These
analyses
were conducted to determine the
Beachbuilder's
ability
to dredge and
place
material
in a designated
marsh
construction
site, and to
provide
MVN
with
production
information.
This
information
can
be
used
as a
basis
for
future
cost
estimates
to
evaluate
the
feasibility
of
using
this
dredging
method at the
HOP
and
other
sections
on the
Mississippi
River.
These
analyses
are
presented
to
address
the
following
aspects:
Dredge
Maneuvering
Characteristics:
Actual
time
interval
required
to
move
the
hard
point.
Actual
time
intervals
required
for
handling
anchors
.
Delay
intervals
when
dredging
is
halted
for
vessel
passage
categorized
for
different
locations
(i.e.,
RDB
or
LDB
halves of the
channel)
and
vessel
sizes.
Amount
of
time
required
to back
down
and
reposition
for
each
cut.
Cross-channel
maneuvering
capabilities
(lateral
maneuvering
speed)
Results
of
pilot
survey
regarding
dustpan
use
in
navigation
channel.
Dredge
Production
Characteristics:
Individual
advance
rates
per cut
and
average
rates
for
entire
project.
Average
bank
height
for
each
advance.
Total
production
and
production
rate
for
each
advance.
Average
production
rates
for
entire
demonstration.
Estimation
of
high
and
low
range of
average
production
rates.
Time-series
plots
of
production.
23
Chapter
4
Dredging
Operational
Characteristics
Analyses
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