Dear Dan:
I have another possible solution which is a bit different. My office
building was originally constructed as a silent movie house in 1915 and some
time later the owner decided to convert the twenty foot ceiling in to a two
story affair, with a one bedroom apartment upstairs. Instead of building
supports for the second floor from the bottom, the second floor was suspended
from the heavy timbers used in the construction of the roof. Rods which are
approximately one half inch in diameter were secured to the roof support
timbers and then extended downward about nine feet where they were secured to
the floor joists on which the second floor was constructed. The rods were
placed where petitions
were to be constructed, so as to hide them. It works, but a large person who
jumps up and down up there can really get a lot of shaking going on.
Dan my man, you might wish to emulate this approach and use either strong
coil springs or bungee cords to suspend your basement floor? Just think of
the effects this could have on your parties.
Yours Truly,
Mr. Schultz's cousin
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