2.
Response
to
Comments
2.9
Individual
Responses
to
Comments
from
Organizations
Part
of
the
consideration
for
employing
this
strategy
is
the
potential
effects
on
neighboring
sites
such
that
the
process
does
not
cause
instability
of
the
Bay
Mud
or
adjoining
exposed
slopes,
for
example.
Deep
dynamic
compaction
and
other
methods
of
site
preparations
such
as
surcharging
with
stockpiled
soils
have
been
used
successfully
at
numerous
sites
with
similar
underlying
Bay
Mud
deposits
to
provide
adequate
building
sites
without
causing
underlying
Bay
Mud
soils
to
fail.
To
clarify
its
intent,
Mitigation
Measure
4.E-2a
is
revised
to
read
as
indicated
in
Final
EIR
Chapter
3.0.
Groundborne
vibrations
generated
during
construction
are
addressed
in
Section
2.27.2
of
the
Final
EIR
and
in
Responses
through
Section
4.E,
Geology,
Soils,
and
Seismicity
,
of
the
Draft
EIR
provides
detailed
descriptions
of
the
geotechnical
hazards
that
are
present
at
the
Baylands
Project
Site
including
seismic
hazards,
settlement,
differential
settlement,
liquefaction,
sand
boils,
lateral
spreading,
slope
stability,
decomposition
of
refuse,
and
Bay
Mud
consolidation.
These
hazards
are
widespread
throughout
the
San
Francisco
Bay
Area
since
numerous
developments
have
been
placed
on
artificial
fill
materials
and
Bay
Mud
deposits
of
varying
thicknesses.
Current
geotechnical
practices
and
building
code
requirements
are
based
on
the
best
available
science
that
incorporates
research
and
observed
effects
of
older
structures.
The
history
of
development
in
the
Bay
Area
has
included
many
areas
around
the
Bay
perimeter
where
marshlands
have
been
filled
with
a
variety
of
materials
and
debris
and
subsequently
developed.
As
a
result,
much
is
known
about
geotechnical
engineering
characteristics
of
the
Bay
Mud
deposits
as
well
as
older
refuse
filled
areas.
As
included
in
the
Draft
EIR,
Mitigation
Measures
4.E-2a,
4.E-2b,
and
4.E-3
would
require
that
all
project
development
be
designed
and
constructed
in
accordance
with
industry
practices
and
current
California
Building
Code
requirements.
Pursuant
to
the
requirements
of
CEQA,
the
Baylands
EIR
evaluates
the
environmental
changes
that
would
result
from
implementation
of
the
proposed
development
program
described
in
Chapter
3,
Project
Description
.
Where
Project
Site
development
would
result
in
a
significant
impact,
mitigation
measures
are
required
to
be
implemented
as
part
of
Baylands
development.
Since
the
Kinder
Morgan
site
is
not
within
the
Baylands
Project
site,
and
no
development
is
proposed
for
the
Kinder
Morgan
facility,
the
City
does
not
have
authority
to
impose
mitigation
measures
on
Kinder
Morgan
in
the
Baylands
EIR.
See
19
for
discussion
of
land
use
compatibility
between
proposed
Project
Site
development
and
the
Kinder
Morgan
tank
farm.
See
Response
All
development
within
the
Project
site
will
be
required
to
be
designed
and
Brisbane
Baylands
Final
EIR
2.9.2-76
May
2015