WALL 1
Before Dennis
(survived Ivan) - Blue Mountain Beach
Note the darker part of the wall vs.
the lighter part towards the top....
This was the height of the sand dune
that covered the wall before Ivan.
After Dennis
(wall vanished without a trace)
Before Dennis (damaged
by Ivan) - Yellow house,
Blue Mtn Beach
After Dennis (wall
for yellow house disappeared)
WALL 3
Before Dennis and
after Ivan
(survived Ivan) - Miramar Beach
After Dennis
Wall failed but lasted long enough to save pools. House on
left lost their pool because they had no
retaining wall
Close-up of above
wall - note failed anchor pilings
Here's an after
Dennis shot of what appears to be a stout wall - note the tighter spacing of
pilings.
This wall is located just east of the above wall.
Dead-man cabling
method is not known.
What happens when the
left end of the wall is not continued....
Note erosion behind wall ("scouring").
WALL 5
Although this vinyl wall was not fully
complete at time of failure, it is very apparent that the anchor pilings
failed (shown pulled out and laying on side) which allowed to the wall to collapse forward.
WALL 6
The photo below is that of a geotextile
tube. In the end, it seemed to offer little protection. Keep in mind
this property is about DOUBLE this distance as far as Blue Mountain Beach from
where the Hurricane Dennis hit. The elevation of this particular wall is
too low to protect us at Blue Mountain Beach. The higher the wall is, the
further out the base must be. (see Geotube Report)
