There is a large inventory of existing buildings in the U.S. that are in various states of repair and disrepair. Renovation versus building new makes a lot of sense economically and socially. The use of BIM modelling (Building Information Modeling) for renovation projects can bring in huge benefits in terms of time and cost saving. Despite many advances in technology, designers, contractors and engineers are still tracing over the paper documents of our predecessors while making a plan for renovation.
The design workflow for a renovation starts with some sort of accounting for all of the existing conditions that will be affected by the project. The architect procures as many of the old design documents or paper sheets as he or she can. There is a bigger chance that the paper sheet set may be incomplete, or not reflective of all renovations and changes made to the building since its initial construction. So, the architect performs field-measurements to fill in the missing information, and to check the as-built conditions versus the design documents.
Before the new design proposals can be done, the architect has to engage in tracing over the existing drawings. This process takes a considerable amount of time. When you add BIM modelling, it becomes even more time-consuming. How do we transform an existing building in all its glory into a 3D digital model suitable for BIM purposes? The article describes two methods you can use to start the design of your renovation project 'without a trace'.
The design workflow for a renovation starts with some sort of accounting for all of the existing conditions that will be affected by the project. The architect procures as many of the old design documents or paper sheets as he or she can. There is a bigger chance that the paper sheet set may be incomplete, or not reflective of all renovations and changes made to the building since its initial construction. So, the architect performs field-measurements to fill in the missing information, and to check the as-built conditions versus the design documents.
Before the new design proposals can be done, the architect has to engage in tracing over the existing drawings. This process takes a considerable amount of time. When you add BIM modelling, it becomes even more time-consuming. How do we transform an existing building in all its glory into a 3D digital model suitable for BIM purposes? The article describes two methods you can use to start the design of your renovation project 'without a trace'.
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