BIM : An Effective Way to Reduce Rework and Increase Efficiency
As the architecture, engineering and construction (AEC)
industry faces tremendous pressure to deliver optimal projects within stringent
deadlines, improving process efficiency and reducing rework is certainly the
need of the hour. The design and construction-related rework is one of the
critical factors that adversely affect productivity, profitability and timely
completion of projects for both contractors and owners. Besides, it impacts
designers, subcontractors, MEP (M&E) engineers, consultants and the entire
downstream chain. In comparatively larger and more complex projects, the
design-build rework can negatively influence the entire project workflow, delay
project delivery, and cost more than what was originally estimated.
As mechanical, electrical, and plumbing systems account for a
significant value of the project, the prudent use of building information
modelling (BIM) tools to effectively coordinate MEP (M&E) systems helps
reduce rework and increase productivity. On the other hand, the lack of
well-planned interdisciplinary MEP (M&E) coordination results in
duplication of efforts, major interferences and design clashes on site, as well
as fabrication changes and errors.
Since BIM requires comprehensive pre-construction planning
and multidisciplinary coordination, its adoption by the MEP (M&E) team
increases technical interoperability among various members during building
services coordination. In BIM-led MEP (M&E) coordination, building services
designers, consultants, and subcontractors are involved during the design and
planning stage. One of the most crucial factors for an effective and accurate
coordination exercise is to decide on a specific protocol for creating virtual
architectural, structural, mechanical, electrical, plumbing and fire protection
models of the same facility. Subsequently, the team should agree on mechanisms
to merge the models from different trades and create a combined coordinated
services MEP model.
All the above positive effects of MEP (M&E) BIM
coordination make the design-build process more efficient by increasing
project’s schedule compliance whilst reducing design and construction-related
rework.
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