Clontarf Flood Defense

I would like to know what would be the likely cost of a steel hydrolic
wall which could be elevated when the sea threatens the coast road at
Tarf. Such a solution would leave unaffected the sea vista and remove
the security fears at one swoop.

I will vote against any permanent mound or wall solution that impinges
on the view and impairs the local amenity. I can imagine that the sea
at Clontarf will be a pond in two hundred years from silting and
regeneration. But we will be long gone.

Thanks to the large group who have e-mailed me on the subject. DCC
supporters are notably by their entire absence!