To get the ballast right up to the platform edges in a nice neat straight line, I needed to figure out how to apply it. Because of the overhanging lip of the platforms it was not possible to accurately sprinkle the sand or add glue mixture in the traditional way.
I opted to make some templates from card:
I marked these with a centre line and fixed them in place using Copydex glue, then went about applying ballast in the tried and tested way.
Once dried (overni