Finally decided to go ahead with Sump in Basement and have the plumbing going through the dry wall from the main level.. Below few pics of the work done these past few days..
Spaflex used for both Main and Emergency drains after the overflow box and Returns.
Main Drain
Back view
Gatevalve on Main drain
Not to forget the GFCI install
Drains Closeup
Basement connection..
Spaflex.. loads of em...
Please do post your feedback on what you think...Thanks