It's on the maps. It isn't really a time saver, it is shorter distance wise, but for a lot of it you will be driving at 30-40 kmh, so you don't save any time.
Josh Lavigne says that the raps go straight down from the bivi boulder.
In the Piche/atkinson guide this is labelled "difficult rappels possible" but it's since been coveniently bolted with rap anchors.
You can see in the first photo how it just missed the fake granite, Furry Creek golfcourse sign.
Maybe they can replace the old sign with a brand new carved granite boulder now!