Ms Clare McGrath:

When our consultants are examining proposals to provide solutions where there are levels of risk we need to address, they consider all solutions to deliver the protection. We can do the hard engineering and put walls up in the middle of the river or whatever. However, this will not work at a local level. We have to work through what is technically viable and what is feasible socially, economically and environmentally. This is done at project level, and it is the reason we have variations between-----