“Allow
for
(sufficient)
time
if
you
plan
to
build
a
wind
park
in
that
region,”
Christiansen
told
a
conference
on
offshore
wind
energy
in
Hamburg.
Water
depths
of
between
23-
and
44-metres
as
well
as
a
tricky
geology
are
particularly
challenging,
Christiansen
said.
Next
to
sand
and
sedimentary
till
formed
in
the
melting
process
of
the
ice-age
glaciers,
foundations
have
to
fight
their
way
through
extensive
layers
of
chalk
below
the
Baltic's
seabed.
Guidelines
from
Germany’s
maritime
and
hydrographic
agency
on
how
to
deal
with
chalk
deposits
are
very
complicated,
Christiansen
said.
EnBW
is
using
both
monopile
and
jacket…