I remember it well !
I know a bit about this as i was, er.....conected to someone inside the company at the time and i was told that there were many long hours spent shredding documents and replacing them and adding others.
It was obvious what had happened and although the winds were very high that night, properly erected, all that might have blown off was some of the netting.
Kwikform didn't pull out after that, they changed their trading name to RMD and hired stuff out until a few years ago when they re-introduced the Kwikform name and they are currently called RMDKwikform, trading out of the same yard where they were at the time of the collapse, with (i'm led to believe), many of the staff from that time still employed somewhere in the company.