I'm a sorter, so:
1. PD's throwing stuff that goes to their PD down the missort slide and then sending it back to the sort aisle...they do realize that we are just going to send it right back there, yes?
2. Related to #1, but worse. PD's downsliding their own stuff, then shutting off their belt, so not only is our recycle belt overloaded with non-recycles, but now we have nowhere to put them.
3. Outbound putting open packages and/or overgoods on recycle belt. And they can't seem to ever be halfway about it - as in not just one flap untaped but the entire box literally destroyed with its contents spilling out.
4. Outbound putting irregs on recycle belt. Trains drive past the PD's all the time, give it them, gee, what a concept. Again, they never seem to be halfway about this...it's like 100 lbs or a big piece of metal/plastic with no cardboard whatsoever on it.
5. People who decide to wrap the entire box with tape, so I'm having to constantly look back while in the middle of sorting to make sure it isn't going to slide back down the top belt and hit me in the head.
6. People who use non-standard UPS labels with microscopic font, city/state seperated by several inches from street adress, from/to addresses switched, handwritten labels that look like they were done drunk/stoned and with their non-writing hand, or how nobody seems to have figured out that it would cause less confusion to put the new label directly overtop of the old one, instead of making me guess which one in the approx 3 seconds I have to sort the box.
7. Small sort telling us "bags and envelopes only" 30 minutes after the shift starts when our volume is really low.
8. Management who constantly bitch at the sorters about every single nitpicky thing, while they don't care if the unloaders can't even do their job, which is about the biggest no-brainer in the hub, properly, or if an outbound belt is off for 20 minutes straight several times a week.