Cheers for that Slicker this is the geezer I was about to phone 
. Brit pete I think that advert is for Finedon Mills 
Decided to email 'em through the website and see if anything comes of it. Looks like they have 4 on 2 off as usual shift pattern on specific jobs but maybe different on tramping. Will post up any info I get in case anyone else interested.
Mackem you aint wrong m8 I remember tipping once at Leith flour mill took 2.5 hours in high wind I nearly cra$$ed meself. 6 psi max or something stupid. Daren’t even get in the cab to make a cup of tea.
Cement could be a pain in a big tipping tank due to ullage some of the big tippers are nearly twice the capacity of smaller 2 pot belly tanks.