Thanks everyone for your support and offers of help for the archive. We
have to wait for the engineers reports etc, and then make careful plans for
the future, whether we stay in the building or move to a new location here.
But, sincere thanks and I'll keep you updated when I know more.
On Thu, Feb 24, 2011 at 5:35 PM, Richard L. Hess
<[log in to unmask]>wrote:
> You don't want to go there---it's like saying that Titanic was
> "unsinkable". Structures are designed to safely survive a certain design
> lateral and vertical acceleration. Up until the Northridge quake, most
> equipment rooms for TV were designed for 1.0 G lateral and 0.5 G vertical.
> Some seismic records in the 1994 Northridge quake pointed to vertical
> accelerations approaching 1.0 G. I don't know what current design
> accelerations are. I have heard that the Chile quake of a year or so ago has
> caused some rethinking of code requirements, and I don;t know what the
> accelerations were for the 1964 Alaska quake, but the tsunami that caused
> was a different challenge in coastal areas as was the Indian Ocean tsunami.
> Nothing is "proof"!
> On 2011-02-23 11:05 PM, Steven C. Barr wrote:
>> are quake-proof
> Richard L. Hess email: [log in to unmask]
> Aurora, Ontario, Canada (905) 713 6733 1-877-TAPE-FIX
> Quality tape transfers -- even from hard-to-play tapes.