One thing we have done here (to help protect against raised floor movement
such as sags, etc...)
Leveling pads are on two layouts, one for L&D frames and another for S
frames.
We put L & D frames next to each other and fill out the end of the ATL with
S frames...
this lets us cut 4 pieces of rather stout angle iron to run under the
leveling feet of the atl
one piece under the front feet of the L&D frames
one piece under the back feet of the L&D frames
one piece under the front feet of the S frames
and one piece under the back feet of the S frames
We don't anchor these down to the floor because these are mainly to just
spread the load across the floor tiles BUT in an earthquake zone one might
do the same and then bolt the angle iron down to the floor to keep the whole
unit from walking across the floor.
Once again, just my random thoughts...
Dwight
-----Original Message-----
From: Thomas Denier [mailto:[EMAIL PROTECTED]]
Sent: Thursday, September 06, 2001 10:45 AM
To: [EMAIL PROTECTED]
Subject: Re: IBM 3494
Quoting "Cook, Dwight E" <[EMAIL PROTECTED]>:
> Are you on a ship ?
His telephone area code indicates that he is in California. I have
seen pictures of household water heaters that fell over during
earthquakes in California. Some types of computer equipment are as
tall in proportion to their width as a water heater, so there is real
reason for concern about equipment falling over during an earthquake.
I am not sure a blanket policy of bolting down equipment is warranted.
A 3494 is nearly as wide as it is tall.
> If this is to mainly keep the equipment from walking off (like a 3494
> would)
> I would just do the following...
> Remember you have to be real careful not to screw up the alignment when
> you
> attempt to "bolt it down"
My edition of the "Magstar 3494 Tape Library Introduction and Planning
Guide" (GA32-0279-08) has about half a page of discussion of earthquake
effects (listed under "Earthquake" in the index). This material seems
to be arguing against the idea of a rigid attachment to building
structure. Instead, it recommends flexible restraints that will
decouple the 3494 from the earthquake energy.
