a solution might be to remove the differences between those loadings (you might need some additionally step to adjust othe rparts in your environment and/or to store these qvd's twice - one time not qualified and another with qualifying).
Beside your differences in the load-script it might be an alternative approach to load in general both plants and the differentiating between them happens per selection (maybe with triggers) or per section access.
the idea of assimilating the two load_scripts is good - but it would be just too much effort to adjust all the apps "further down" which happen to use qvd_files from both plants.
The plants have separate databases, that is why we have separate load_scripts.
Okay, I guess I'll just have to adapt my script and use two separate LOADs for the different plants.