At NBS we regularly preach about the importance of specification.
https://www.thenbs.com/knowledge/10-reasons-you-should-write-a-specification
In addition to articles like the one above, I think this tweet tells the story of why specifications are vital.
I think the photographs and the selected comments tell the full story.
A 3D model may look nice. It may help generate drawings. It may help with clash detection. But...
...if it's not linked to a robust specification that defines:
A. Product quality
B. Execution
C. Verification and submittals
...then you risk getting poor outcomes. And poor outcomes may be a lot worse than aesthetic issues such as stone-effect polystyrene falling off your block work.
10 reasons why specifications are vital:
- https://www.thenbs.com/knowledge/10-reasons-you-should-write-a-specification
Find out more about writing specifications with NBS Chorus:
- http://www.thenbs.com/chorus
Credit to: @peakay81 for in the tweet I took the screengrab from.