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Recently, there are a lot of fires breaking out at special structures. To suppress this fire breakdown at early stage is very important because it leads to bigger damage in case of special structures. For early suppression, outer wall of building has to be destroyed and need waterproofing for Ignitiontemperature. So far there is no equipment developed local and all of them are imported from a broad. In this study, In this study, The CAE analysis was the Leading-in of the boom conditions for thedevelopment of demolition fire according to the environment of Korea. As a result of this, could beconfirmed that decreases stress reduction. maximum 51% to 12% depending on the part. It was possiblestructural integrity and design. about Telescopic Boom and Outrigger on the basis of this result.