BIM or Building Information Modelling is a process for creating and managing information on a construction project across the project lifecycle. One of the key outputs of this process is the Building Information Model, the digital description of every aspect of the built asset. This model draws on information assembled collaboratively and updated at key stages of a project. Creating a digital Building Information Model enables those who interact with the building to optimize their actions, resulting in a greater whole life value for the asset.

BIM data can be used to illustrate the entire building life-cycle, from cradle to cradle, from inception and design to demolition and materials reuse. Spaces, systems, products and sequences can be shown in relative scale to each other and, in turn, relative to the entire project. And by signaling conflict detection BIM prevents errors creeping in at the various stages of development/ construction.

CHALLENGES OF INDIAN REAL ESTATE SECTOR

The main challenges faced by Indian building industry are significant schedule and cost overrun, which is mainly occurring due to wastage of material, poor coordination, significant rework and lack of information sharing. Let us point the main issues faced by firms involved in built environment as follows.

INFLUENCE OF TECHNOLOGY IN REAL ESTATE SECTOR

The bigger challenges faced by Real estate sector can be solved up to a limit with the emergence of technologies like BIM models. A lot of different IT-enabled project management tools have been introduced in the real estate market and the industry can ensure more efficient project delivery with the help of these technological tools. Such technologies can act as a catalyst to change the real estate companies in India and redefine their space in the country for both now and in the future. They can make tremendous changes in all areas like construction, project management, business management, marketing and customer service etc

BETTER OUTPUT THROUGH BIM COLLABORATION

BIM creates a collaborative working relationship among all project partners including various design disciplines, contractor, specialists, suppliers and customer, using a single shared 3D model. As a result, everybody involved in the project will focus on achieving best value throughout the project from project inception to eventual decommissioning.

OPTIMIZED PERFORMANCE

As swift and accurate comparison between various design options is possible with BIM, it can develop more efficient, sustainable and cost-effective solutions.

BETTER FORECAST

Using BIM, project team can build the project in a virtual environment before construction started. This virtual model rehearses complex procedures, optimizes temporary works and plans procurement of materials, manpower and equipment. As BIM can provide the owners and operators with a visual representation of the project at an early stage, they get a clear idea about the design intent. So, they can suggest modification in the design to get the output they really want.

QUICK PROJECT TURNAROUND

As BIM allows changes in design concept in early stage of the project, last minute design changes can be avoided. Similarly, it uses standard design elements and so complex construction details can be solved before the project starts. Moreover, it produces fabrication and construction drawings from the model, uses data to control construction equipment and checks design integrity and estimate quantities. All these features of BIM will help the construction industry to save time up to 50%.

ENHANCED SAFETY MEASURES

The designs using BIM can optimize public safety with the help of crowd behaviors and fire modeling capability. Asset managers can enhance operational safety using the 3D model. Contractors can also review complex details or procedures before the project starts and it avoids construction risks.

ELIMINATION OF ERRORS AT EARLY DESIGN STAGE

The single 3D model can integrate multidisciplinary design inputs that enable to identify and resolve interface issues prior to construction. It eliminates chances of redesign and save time and costs. Using this model, we can also integrate existing and new assets seamlessly.

Building information modelling (BIM) offers rich opportunities for all the varied property professionals to use information throughout the property life cycle. BIM assists in managing design and construction data through virtual construction. Expanding access to BIM could enable property professionals, to utilise relevant data that could improve the quality and accuracy of their professional services.

BIM has the potential to link digitised property data to Real estate regulatory authority.

• A simple initial system could be done to ascertain the value of the data (cost, quantity and quality). Over time, the availability of data could be extended to allow access for the buyers and other real estate professionals. This results in creating efficiency, transparency and accountability in the real estate sector.
• BIM provides the spatial and visual accuracy of virtual building models which helps the regulatory authority and buyers to verify that the intended design is actually built. will be possible for a wider range of corporate real estate professionals and investment surveyors to offer more
• The value of using BIM data is that, as more property stock is delivered and maintained via BIM-enabled processes, it will be possible for a wider range of corporate real estate professionals and investment surveyors to offer more accurate advice and services to clients/buyers.
• BIM makes cost and quantity estimation at various phases of the construction easy for the builders to plan the requirement of cost at each stage of the construction.