BIM or Building Information Modelling could be a method for making and managing info on a construction project across the project lifecycle. one among the key outputs of this method is that the Building info Model, the digital description of each side of the engineered quality. This model attracts info assembled collaboratively and updated at key stages of a project. making a digital Building info Model permits people who move with the building to optimize their actions, leading to a bigger whole life price for the quality.