Moving a support poles for my I-beam

I have a basement - roughly 44 foot wide,
with a steel I-beam spanning the width.
It is supported by 3 - steel poles
- roughly 11 feet a part.

| |----11-----|
|----------o-----------o-----------o-----------|
| |


I want to move at least one of the poles,
so that I can have more open room to finish the basement.

| |-------14-----|
|----------o-----------o--------o--------------|
| |

I was thinking that I could install an additional I-beam
(wood/steel) along side the exisiting
- setting one side on the foundation,
the other on an additional pole
- next to the one I move.

Will that work?

What I would really like is to move two poles,
purchasing an I-beam to span over 33 feet.

| |-------14-----| |-------14-----|
|----------o--------------o-----o--------------|
| ||| | |
||| |
---
---

the poles would move up against the stairway supports, so the poles would be taking up no real space.

Will this work? Can I do this - or do I need to hire someone?

 

The first thing you should do is get a Structural Engineer to look at it. This will tell you several things. 1. Can it even be done with out your house falling in, 2. Exactaly where to place your posts for the proper support, and 3. Will you need additional support. This would be a very wise move. It could save you alot of headaches.