a single groyne cost about £5,000 per metre http://www.mjanderson.chislehurst.btinternet.co.uk/coastseadefence.htm this is where find more of the cost of sea defences :D
A groyne is a hydraulic structure that is used to interrupt water flow and to keep sediment from moving. Groynes can cost up to $770,000.
Groynes are used for blowing bubbles .
it cost 50$
Wooden groynes work belkhebra
2 million for just the building the tower was an additional cost
i think a Costco building should only cost from about a thousand to a thousand and a fifty
Groynes prevent or slow down erosion.
smurfit-stone building
how much does it cost for a 30-40 commerical building 6 inches thick
it cost 1p to build this building
15000