Archived posting to the Leica Users Group, 2005/03/11
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]thanks for all the help: I learn heaps here. I had forgotten that story along with most of the 1980 trip. On 12/03/2005, at 12:45 PM, Richard S. Taylor wrote: > Actually what they did was replace the panes that blew out with > unpainted plywood so the building looked for all the world like a > skinned tree for the first years of its life. Actually, sucked out is > more correct. They popped loose due to the vacuum that formed on one > side of the building in high winds. > > Part of the solution, as I recall, was to modify the damper at the top > of the building to reduce sway in high winds. That plus changes to > the window frames did the job. > > This may be apocryphal, but after the fix people were still very wary > of working in the building in high winds until one of the lead > engineers got a running start and threw himself at one of the floor to > ceiling windows on a top floor. The window didn't pop out and > everybody relaxed, at least a little bit. > > Glad I never had to demonstrate the veracity of one of my designs > quite so personally. > > > >> It is the "New" John Hancock building at Copley Place. Designed by >> I.M. >> Pei, construction was completed, I think, circa 1976. They had >> enormous >> problems with the glass skin; window panes kept popping out and >> crashing >> to the street and the tower spent much of its first years swaddled in >> scaffolding. The window problem eventually was solved by replacing >> the >> gaskets or some such engineering miracle. >> >> Buzz Hausner > > (snip) > -- > Regards, > > Dick > Boston MA > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information > > Alastair