I did not see about the ceiling... In that case one could construct a frame like Charlie is talking about, or just use toe jacks to raise and crib up...
you may be better served by something like I bought, it's mobile, has a 2 micron filter, can run 6'' if you want. The price is kinder on the wallet,...
I work with Stainless steel, so it like wood is NON-magnetic (At least the kind I use, lower grades and stainless for high temp is magnetic). Gloves...
Depending on how old that delta is, the best you'll be able to do is a splitter. You can also make your own splitter and add it to the throat plate....