I level my frames at 28" then add slate and re-level depending on amount of movement, and floor usually end up around 30-31" at cloth bed. set bet would be next time you get ready to reclothe, break table all the way down so you can remove feet and get them powder coated and reset and level then...
Depends on the environment of the table, climate controlled bees wax or Brunswick's blue wax, if outside in the summer than condo otherwise wax can melt.
Look up 3m10 neoprene cement Slocum V4117 both are contact adhesives that will hold the cloth. if you can't find either of those try Spray 77 you'll need to let them tack up before you attempt to install otherwise cloth will move.
Pictured is a set of Anniversary rails from a Sport King that I upgraded the rails on. 2 had figure 8's and 4 of them had floating nut plates I removed and replaced them with Stafast inserts.
My understanding is that the floating nut plate was developed in 47, which would go along with the Anniversary line, transitioning into the Sport King just prior to the Gold Crown. I've replaced them on anniversary rails, which I have seen Both the figure 8 and floating nutplate.
metal trim on the outside edge of the rail is screwed on, the Formica I don't know of Anyone that does that replacement as a regular service I have heard of guys tackling a single rail never an entire set.
New cushions and rail hardware, especially if you have the floating inserts in the rail. if you get new cushions the subsoil needs replaced to keep proper playing surface dimensions and beveled to accept modern cushions.