The sequence can be played back to simulate the planned construction. In 4D Planning, activity bars on a Gantt chart are linked to corresponding elements of a 3D model (including plant & equipment) using additional software. It has removed the challenge associated with normal scheduling of construction sequences of misunderstanding brought by the lack of visualization. In this article we investigate the values and benefits that 4D Planning intends to create simultaneously with the barriers and constrains that need to be addressed to minimize the cost and time of construction projects and maximize the benefits and effectiveness how 4D planning supports some of the most common scheduling practices is also a matter of interest. Another approach that gains more and more ground is the linkage of 4D BIM with the Lean construction practices. The opportunities of 4D planning also improve procurement management and spatial constraints reinforcing and supplement the location-based scheduling. It’s gaining momentum in the industry by providing both tangible and intangible benefits for it which are set out here. It provides precise and useful construction project information for teams.
The visualization of the schedule using 4D planning methods if combined with other scheduling methods facilitates communication and decision making throughout planning and execution phase.ĤD BIM modeling visualization incorporates start and finish date data for the supply and installation of construction components and reveals the importance of them in relation to the overall project. The fourth dimension of BIM focuses on linking the 3D geometrical models with time and scheduling. This method is based on Building Information Modeling (BIM) which is a process that came to revolutionize the workflow of the Engineering, Procurement and Construction (EPC) Industry. The purpose of 4D construction planning and scheduling is to enrich the planning process and achieve improved communications and stakeholder engagement.
This BIM-centric approach towards project management technique has a very high potential to improve the project management and delivery of construction project, of any size or complexity.
The construction of the 4D models enables the various participants (Designers, supplier, consultant, contractors, and clients) of a construction project, to visualize the entire duration of a series of events and display the progress of construction activities through the lifetime of the project. Linking BIM to project management tools in an accessible and affordable way brings huge benefits to the planning process and the efficiency of construction projects.
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