The process of destroying and reconstructing a physical structure (house, factory, high rise building etc.) and using its recycled material to reconstruct or renovate other building or part of it is known as demolition and reconstruction of a building. This process is widely used in the construction sector by construction businesses and companies and is a highly profiting method .It has become highly popular nowadays because of its cost effectiveness and its proper functioning. It has become one of the most environment friendly ways of construction because of its properties to use the waste created during the deconstruction of building material which can be reused to create other lower grade products whose grade can be improved by other physical and chemical processes. This waste can also be used in landfills and mixing with concrete to reconstruct structures. It is at the same time one of the most effective and dangerous method too because of its process which is to be done very ca