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By Sarah Gibson


Any construction consists of a number of sections. Each section requires specific expertise to handle. Current modeling technologies allow different actors to come up with various models for their tasks. This is later brought together to form a larger model that represents an entire construction. For this reason, different errors arising from integration are inevitable. Clash detection CA at an early stage is vital for a smooth development process. To understand this concept, read through the following summary.

A defect in a construction is a state whereby various components are not coordinated as they should leading to clattering. BIM enables stakeholders to spot and reverse these misalignment while designing. The main cause of misalignment is the need to combine different models built by various stakeholders. Normally, tasks are divided among team members such as architects, mechanical, environmental and electrical engineers. Typically, each of these develops their own models which are later combined to make an entire project. Due to the variance in documentation and elements, there is no doubt that some components will conflict after integration.

There are numerous types of conflicts. The most common one is hard clutter. This occurs when two elements occupy a similar space. For instance, there could be pipework running through a steel beam. If these errors are detected during construction, it might be very challenging to fix them. Another type is soft conflict. It occurs when a component is denied geometric buffering it needs. An example of this is where an air conditioning system has limited space for access, maintenance or safety due to a close beam.

It is said that prevention is better than cure. This concept also applies to the building. Before beginning a task, stakeholders should put in place mechanisms to prevent basic problems. For example, there should be a document to coordinate the work of various team members, how and when each should deliver. Additionally, each member should be guided by a set of predefined procedures.

It is inevitable to have errors no matter how much prevention techniques are put in place. How errors would be detected traditionally is different from how it is done in BIM methodology. Initially, team members would work on separate drawings then tracing documents would be produced during organized checkpoints. However, BIM depends on a set of software and automated tools that vary depending on what task an individual is working on.

Once a clatter is noticed, what follows is resolving. Resolution is based on the kind of error. When a conflict is noted, an entire model is scanned to bring out other similar instances. Normally, when a single instance is solved, the solution is duplicated in others. It is vital to review and cancel conflicts early during the design phase.

The future for BIM technique of identifying and solving issues early is likely to be better. Where stakeholders worked on projects independently, they will now be required to operate on a single mock-up. Consequently, a number of errors will be reduced as the need for assimilation of various models is eliminated.

BIM is a useful building tool. Most significantly, it helps engineers to detect and correct clatters during the design stage.




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