There is a fantastic search box on the green belt on each and every page. Everything is in there, you just have to make efforts. Its a gold mine.
To answer your confusion:
You dont have to bother on RPL part. Go ahead and submit assessment. Noone can predict the outcome, however, 'most' of the ECEs have 4 year deducted from work ex - all depends on your subjects
In my case, only 2 years were deducted though i'm ECE as well. I am guessing there are very few cases like that.