All,
Just been checking the start times etc and I think leaving from McD's at 6:45 might be a little tight to get there on time.
Practise, which is only 2 lots of 3 minutes, starts at 8am.
Therefore I suggest leaving at 6:15 am.
Have a look here for details of the day
http://www.oople.com/forums/showthread.php?t=168027
Also, if you have a 12v DC car / leisure battery you might want to bring it as the field doesn't have any power, but I think the under cover pitting area does