“Change or die” is the shortened version of Charles Darwin’s famous quote.
A little while ago I was in a meeting with a director of a major developer in London, trying to convince him of using 3D CAD (or BIM) models to help in construction projects and one comment put forcefully to me was… “I’ve built many a building with a pencil, paper and a fax machine so why should I spend money on 3D CAD information?“ I think we have all met these dinosaurs and we know what their future beholds!
So, what is the value in changing to a 3D modelling world, as it does require a more accurate definition of design intent and so will cost more?
Firstly, anyone who has drawn in 2D, either on a drawing board or in a 2D CAD systems knows that you can hide, or obscure detail where you don’t know what to do, and so pass a problem further down the chain for someone else to solve – usually during construction which inevitably incurs cost.
Also, in more complex buildings, how do you ensure that there are no clashes? In the oil and gas industry, they used to have model makers building process plants to scale from drawings to confirm this detail. Even in recent times, Roll-Royce Aerospace used to build a wooden model of prototype engines to understand the complex pipework that encases a jet engine.
Read more on the DTE Blog and download the white paper.
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