[Beowulf] Power per area

[Scott Atchley]

On Tue, Mar 10, 2020 at 4:26 PM David Mathog <mathog at 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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