Don't use heavy gauge strings.
There are a few ways of addressing tail-lift:
If it happens, just buy another tailpiece and put that on to start from the beginning again.
Don't over-tighten the 3 screws under the bridge.
Get a Hipshot replacement bridge (if you like the look of them).
Put an extra two screws through the end of the tailpiece to bolt it back down (unsightly, but RIC did it on some).
Get a RIC v2 bridge, which eliminates the issue; it does need new holes drilling, though.
Come up with a Heath-Robinson fix of your own, for example slotting a bent-steel bracket under there somehow.
Get a custom made tailpiece which is stronger (I looked into it, but a local aluminium workshop wasn't interested in doing a short run of them).
Put a Badass or Schaller 3D bridge on the bass - it does need the under-bridge bays to be filled in, though. Geddy Lee had a Badass on his and RIC themselves used Schallers on the 4004 and 4003/5 models. (Some folks even put Kahler whammy bridges on their Rics.)