When you change that pipe and disturb the others, you'll find that the other hoses may start to leak. Best to check them all and change all the clips for decent ones. The thinner the better. Halfords do a box of 10 for £3 or so that will do the job perfectly (not the petrol pipe clips but their smallest 'norma' branded jubilee clips - you'll need to loosen them slightly first as they are a very snug fit)). No matter what anyone tells you, don't try to re-use the original clips, they are one time use only and will break when re-tightened or leak.
Following on from the above forum thread the OEM bore is actually 7mm internal (It's printed on the genuine replacement pipes from Renault), which is why 8mm can leak but you can usually get away with it.
There have been a few mods to the fuel pipes early and late. Some just need to be cut down and some are completely different. Make sure you get the right ones for your year and if they are too long don't panic just trim them using the original (if it is original!) as a pattern.
All much easier if you remove the left hand plenum chamber and the fuel pressure regulator.
It's worth putting some heat protective sleeving (like black split corrugated conduit) over the pipe that runs very close to or touches the inlet manifold.
PS Fix it now or make sure you have 'fire and theft' on your policy