How'd your jacking project end up?
I'm about to do the same to the center girder of my (1.5 story 1200 square foot) house. What rig do I need to use? (i.e. bottle jacks? what size? how many? How to transmit jacking lift from jacks up the 8' from the basement slab to the girder that supports the main floor? Posts? How to connect the jacks to the posts? How to stabilize the jack/post assembly? Any other thoughts?