From: "Mehdi M. Khabbazan" <MKhabbazan(--nospam--at)allott.co.uk>
Date: Fri, 09 Feb 2001 17:38:14 +0000
Story drifts should not be added up. It is normally the maximum drift which is
Joseph Ward wrote:
> We have had engineers tell us that stair systems must accommodate building
> drift at the magnitude of 4 inches (in one case) per floor each direction.
> The stair manufacturer then suffered the costly task of replacing
> connections. Our concern is that when a building drifts 4 inches any
> direction, what happens to doors, windows, and all other components? What
> happens when you add this up over several stories?