On Fri, 19 Feb 2016 09:29:43 -0600
swalker wrote:

On Thu, 18 Feb 2016 16:41:59 -0600, swalker wrote:

I should have been clear in my question.

budget is always important

but there are one or two places that sell used data center raised
flooring

meant for heavy stuff and traffic but not sure about a dusty environ

probably not cheap but it is modular


if you go plywood you would want to use the best you can afford
and be prepared to maintain the floor

how much head space do you have because if you have enough you
could go with 2x6 or 2x8 etc and have some storage in the floor