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Does the wall need to be cut above the joists? Can the existing wall hang down to the bottom of the bottom joist chord? this would allow you to sandwich the wall below the joists with some channels, and then cut the wall below the channels. The channels would support the wall, joists, etc.

What about a beam above on the floor inside of the wall, supported each end, then some sort of saddle thru the floor to hang the joists why the wall is removed, a new beam put in place, then your shoring beam reomved. Thats if you have enough room to slide in a shoring beam on the second floor...

What about bearing and stability, i.e. foundations?

Does anyone know what column 14 is for in this table? I understand it that I can increase my stresses for this amount? Does everyone agree?

I thought appendix D took this into account with group factors. I like the idea of DBA's welded on to take the load.

I think that whoever has the majority of the structure should be EOR. I.E, PEMB engineer is EOR and they need to shop out the foundations...I know there are reasons not for this, but it would add some validity to their designs

Yea, I am surprised there are not more of these type posts with all the snow we are having in the midwest/east

I didnt know what a gerber beam was. All they taught us in College was sky hooks and structural paint.

http://www.aolnews.com/nation/article/ice-rink-roof-collapses-in-pennsylania/19357928 Picture at the web site

Do you need to leave space for air flow, i.e. not block to the bottom of the sheathing?

More pictures http://www.mysanantonio.com/slideshows/Sinkhole_causes_landslide.html?c=n#8

Not sure how this was constructed for sure, but a few rebars might have helped. didnt look like there was any if concrete

what is your span? is the slab simply supported?

How are the girders holding up? a 6x6 girder supporting joists sounds fishy. any pictures?

I have seen them done out of Tilt-up, or site cast precast.

Wouldnt this be akin to fall protection, i.e. safety engineer? They are usually structural type engineers.

I had asked ford for a Chevy 350 in a truck once, but they said that our product does not come that way, that they do their product that way for a reason. It was not required when you bid the job, so unless you think the owner will provide more future work, make sure you are covered for your...

Some will have contractor specific details though, and proprietary items in the panels.

When you say from the top, you mean down from the top? I would say you are ok, If the bars are in teh top, they are really compression bars if anything. Perhaps a sketch would help

wouldnt the maximum be what you need for design? Min cover for concrete against earth should be 3 inches