I appreciate that you are trying to appear keen and do a good job - I get that.
However, there is a fine line with all of that, and being safe and getting a good night’s sleep too.
Robroy offered some very good advice - these are LIMITS…, not Targets.
If any planner planned me as such to run 15 hours a day then they themselves need re-schooling. If this that or the other couldn’t get there, oh well ■■■■ happens, roads have been a ■■■■■ today.