| 摘要 |
A structure for encapsulating an existing building includes an underpinning system for mounting on the existing building. The underpinning system includes a perimeter frame assembly with side and end rails, outrigger assemblies mounted on the side rails and scissor jack assemblies mounted on the end rails. A shell system is mounted on the perimeter frame assembly and includes side walls, end walls and a roof. Door assemblies are installed in the end walls. A method of encapsulating an existing building includes the steps of providing an underpinning system, fastening the underpinning system to the existing building, providing a shell system with side walls, end walls, a roof and an open bottom, and receiving the existing building through the shell system open bottom for placing the shell system in covering relation over the existing building. The encapsulating method further includes the steps of fastening the shell system to the underpinning system and injecting insulating foam into an interstitial space formed between the shell system and the existing building.
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