The moves towards standardisation and the effort to bring the industry into a manufacturing culture mindset come to a head when the job comes to site. How do we make Building sites more efficient? 17% of onsite onsite drywall installation, for instance, is re-work. How do we reduce wasted work and materials? How do we put data management and sharing at the heart of multiple relationships, priorities and timelines? How do we make design liability fair and collaboration easier? If we start with culture change here, how does it feed back up the supply and procurement chain? The raft of questions just throws up more questions; but at least they are being asked.