First contract engineer for design of "Gantry" system.
Next throw out a few RFP's and wait for the RFI's from various contractors of the GC and Metal Working variety.
Then approach the client with the initial contact costs and further proposal. Once they, or you are realeased from the hospital, you may or may not get the go ahead to proceed.
If you get the go ahead, have the welding shop get your brackets and platform ready for the GC to install, via a proffessional rigging crew subbed out by him at 20% mark-up. Get the Engineer to sign-off, change your bulb, same in reverse for removal. Patch and paint NIC.
"Well - I oughta....." -Jackie Gleason