"Just steps from the Hudson River, the construction site was partially flooded. “Their mandate was to figure out how the building would have stayed open in a storm like this,” said Steven Witkoff, the developer. “They came back with a list of five things, and we implemented every single one.”
The efforts delayed the project by some six weeks and added as much as $3 million to its cost."
Best to spend the Money on PV and some back up power, as hindsight tells us that Gasoline, after a major events seems to be in short supply, but the Sun always comes up!