Fireplace dilemma

Hi:
In the top floor condo which I recently bought there is a 52"-wide frame for a fireplace, with a masonry chimney directly over it on the roof. But there is no fireplace - the whole frame is completely sheetrocked. Condos to my left and right have fireplaces, as well as a condo directly below me.
So I cut a hole in the sheetrock of the frame and what do I see: a flue pipe for a Heatilator HD 42AI fireplace, resting on my concrete floor and going all the way up to the roof (20 feet). This is a 10" outer pipe and 8" inner pipe, SC300 series from Heatilator. I also see the fluepipe from the neighbor below me who has a working Heatilator fireplace running in parallel to my pipe to the roof.
Then I realize why they never installed a fireplace in my unit, even though they installed a flue pipe. The frame is filled with some sort of lattice-like massive structural support structure, made of 1/4"-thick L-shaped steel beams, resting in the four corners of the sheetrock frame (bolted to the concrete floor), and going up all the way to the ceiling, obviously supporting SOMETHING. The flue pipe is in the middle of it. Because of this structure there is no place for a 42", or even 36" fireplace. The clearance between the massive vertical support beams is only 34". My guess is that they HAD to support something late in construction (maybe boiler), so they used my shaft.
What WOULD fit inside that structure is a wood-burning stove. Can I use the existing flue pipe for that? Otherwise I guess I can forget about any kind of fireplace (there is no gas in my unit).
Thanks for any advice.
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Fireplace pipe and woodstove pipe are not the same. But, you may be able to put a woodstove in the room and run the woodstove pipe (UL103HT) into the chase with a "T". Contact a local fireplace company.
--
John Galbreath Jr.
http://www.firelogs.com /
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