Just over a year after Hurricane Sandy washed through his Long Island, N.Y., home, I sat down to talk with Rich Sangiorgi, a contractor with 30 years in commercial exteriors. In addition to his thriving commercial business, Rich runs a modular house building company. And he is now teaming up with Joe DeNicholas, the sixth-generation house mover who successfully raised Sangiorgi's waterfront home 11 feet higher than it stood a year ago.We sat on the unheated second floor while a vibrating plate compacted fresh fill beneath the house. It was the final phase of elevating the home, yet the project...

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