A: No, Mike
A: The best place to find answer to your question and ensure the rating matches your application orientation Is on the OZCO building products website. You can find engineering information you need on this site; https://ozcobp.com/product/2-rafter-clips-ls/
A: The wood structure should carry the weight with this clip. It is only for mostly wind and depends on the design. I used mine for a pergola, top sun screen with 4x6 x 12'
A: The problem you are trying to fix should be solved with a different solution. There is a reason the floor is moving or the pedestals are failing.
A: The kit comes as depicted in the photo.