Re. intermittent Queens Wharf dolphins for large cruise ships. Now that approval has been given for these to proceed, a compromise arrangement could be achieved.
NZ has the engineering expertise to construct concrete anchors on the seabed onto which concrete columns could be lowered (and secured with bolts) each year to cater for the cruise ship season only and to be removed at the end of each season.
A temporary wharf structure could be barged out and either lowered over the columns or bolted around the columns.
This option would clearly have an initial higher capital cost and ongoing annual