In the light of the moon a little egg lay on a leaf - it was the owner's vision for a new building
One sunday morning the sun came up and POP, out of the egg came a tiny caterpillar - it was the architects transforming the client vision into a rough building design
The model caterpillar was very hungry for more details and data so he started looking for some food
On monday he ate through data about the spaces and the usage of the facility. But he was still hungry
On tuesday he ate through data about the structural works of the building. But he was still hungry
On wednesday he ate through data about the building services systems. But he was still hungry
On thursday he ate through data about the cost of the building. But he was still hungry
On friday he ate through data about the building schedule. But he was still hungry
On saturday as the construction commenced he ate bim objects, manufacturer's data sheets, punch lists, site photos, commissioning reports and o&m manuals.
That night he had a stomach ache!
The next day the caterpillar verified as-built conditions and after that he felt better
Now he wasn't hungry anymore and he wasn't a little design-model anymore. He was a big fat as-built model.
He built a small house called a pre-operational phase cocoon. He stayed inside for more than two weeks. Then he nibbled a hole in the cocoon, pushed his way out and… he became a beautiful butterfly. The big fat as-built model had metamorphosed into a lightweight and nimble facility management model
We originally wrote this little fairy tale a while back inspired by the Eric Carle classic The very hungry Caterpillar. However as we had recently published The three little BIM pigs we thought we should hold on with another BIM fairy tale for a while. Then we just forgot about the whole thing - until we read this great blog piece by Zolna Murray that also make the parable of the caterpillar to butterfly transformation.
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