Demolishing a building does not always mean that the structure was built on the wrong grounds and that government or political matters are involved. As you all know, every building has a life span that mostly depends on the design and material used. For instance, if the building has an estimated life span of eighty to a hundred years or so and that time passes, then the building is considered not safe for living and for other neighbouring buildings' safety. However, there can be other reasons that lead to the demolition of a building. These could be that old structures are being replaced with new ones, the building loses its stability or suddenly incurs structural damage or small buildings are replaced with substantial commercial buildings. In such cases, demolition does not simply take place; instead, there is a process that is followed to ensure complete success. Below is the procedure followed in building demolitions.
Surveying of the buildings and removal of hazardous material
In this process, the study of different parameters is undertaken on the building and the surrounding environment. This includes the types of materials used in the construction, any presence of hazardous materials, wastewater, toxic chemicals and any explosive or flammable materials. Shared facilities like staircases and partition walls are also put into consideration during this process. If any hazardous materials are found in the investigation site of demolition (for example, asbestos minerals, which are mostly found in dump places), then a specialised team is taken in to do the removal before the demolition of the building.
Preparation of the demolition plan
After the survey and removal of potentially harmful materials, a detailed plan is then made to illustrate the different processes that are to be involved. This includes the location of the building to be demolished and the distance at which it stands from its neighbouring buildings. The structural system that supports the structure is then checked to determine the plan and procedure of demolishing the building. Also, a plan showing all the safety measures to be taken for the protection of the surroundings is compiled, and that includes catch fans, safety nets, protective screens and covered walkways.
Development of safety measures
All workers, site managers and engineers, including machine operators, are informed of the potential hazards and the process to be undertaken. Finally, every flammable material is then removed from the area of operation unless it is part of the demolition, workers put on safety gear and firefighting appliances are stationed in the area until the demolition process is complete.