Will Richmond’s Never Tested Floodwall Work? News by Michael C. Hild - September 11, 2018September 11, 201823 I was checking out the Richmond Railway Museum in Manchester one day when one of the historians said: "you know, this whole area of Manchester, including this building, was submerged during Hurricane Agnes. That's why they built the floodwall, but it's never been battle tested since it was built." Hurricane Florence