Detractors of BIM say claims about its cost and productivity benefits remain unsubstantiated, while advocates point to the need for better client education and application of the right level of detail.

While BIM has recently emerged as one of the biggest trends amongst industries involved with the development of built environments, there are some who believe that the technology is failing to deliver on its much-touted benefits. David Chandler, veteran construction consultant and former chairman of Coates Hire Limited, is one such…