On Tue, Mar 10, 2020 at 4:26 PM David Mathog <mat...@caltech.edu> wrote:
> On Tue, 10 Mar 2020 15:36:42 -0400 Scott Atchley wrote: > > > To make the exercise even more fun, what is the weight per square foot > > for > > immersion systems? Our data centers have a limit of 250 or 500 pounds > > per > > square foot. > > I am not an architect but... > > Aren't there two load values for a floor? The one I think you are > citing is the amount of weight which can safely be placed in a "small" > floor area without punching through or causing other localized damage, > the other is the total weight that can be placed on that floor without > the building collapsing. If the whole data center is on the ground > floor sitting right on a concrete slab with no voids beneath it I would > expect the latter value to be huge and not a real concern, but it might > be less than (500 pounds per square foot) X (total area) on the 2nd or > higher floors. > There is the static load and rolling load. I was quoting the static load for our current raised floors. I agree that ground floor slab should be effectively unlimited and it is unclear what our second floor concrete-over-steel floor can hold.
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