There is a predicted figure (thru the tools) and there is an "actual figure" which comes out later in the dayraikky wrote:its like what is said above knowledge is key. but most people would rather moan and cry about it than do owt about it. there are plenty of rules in place for this kind of thing and many others. you just have to know the system.
lfor example
if your model traffic is 50000 for a Monday. and you manager than calculates it all out and comes out with 50000 as the actual figure. that means everything should be able to be completed without any overtime.if its over, say 1000, the manager will prob have a rough idea beforehand and bring part timers in early to compensate for this.if its under, then there are more hours in the office than workload,(hence the need for lapsing) so if your traffic is above model, then its likely that you may even go over on your duty. this information is gold for you so use it.
now the problem can be that managers might not even bother to check the traffic. I think a lot of it is computed but our manager says this gives an incorrect figure so we count all our boxes or large small etc and he challenges these figures to his dsm etc.
(if im wrong about the above tha correct me but this is what our manager told us ..
and they are poles apart