please empty your brain below

Wow, one day I will have to go and see that ...

Wow! looks great,pity I missed it,(did not know about raising) thanks for posting the report and pictures.

Did it myself in the late-80s DG. Only to be underwhelmed afterwards by the Barrier's visitor centre - no actual tour of the control room or the tunnel linking each side of the Thames - rather a cheap sub-Disney audio-visual display complete with "London Smog" and a "scary" river pirate. The real barrier would be an excellent choice for next weekend's Open House (but isn't...).

It looks like a childs toy, if you have seen the Delta plan in the Netherlands.

Surely it's high tide downstream and low tide upstream? Otherwise it sounds like you are trying to keep the flood waters in London....

dg writes: Oops, yes, now switched, thanks.

Unless it rains a lot

I thought the barrier was to protect against a storm surge from the north sea which is surely more to do with high tide and air pressure than rain?

Rob's right, if the Thames is flooding then the last thing you want is the barrier up.

The real problem is if you get flooding and a storm surge and a spring tide at the same time.

I thought I read somewhere that the barrier was used 3 times in anger between "opening" and 1999, but was used 6 times in 1999 alone. Does that sound right?

I remember one (sunny) day the Thames coming up through a grate in Duke Shore Place and running out into Narrow Street.











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