What bb29510 and additionally whenever you want if you think a truck is to wet. I like to observe the whole placement, more hours and I've never had a Super get pissed about me making them spin the drum until the truck is in spec, i've heard rumors that is common but never happened to me [2thumbsup]
Thanks for the reference material, I'll at least find a copy of the aci standard somewhere. My boss told me he'd kill me if I sign a water ticket or anything of that nature. I believe there's an older addition Portland cement book in my lab floating around, I'll take a look at that. I looked at...
I'm a newly certified concrete tech and have been certified in soils for a little bit. Soils was easy to tell what was acceptable because moisture was the only thing I had to really watch out for. I trained for a while under some good techs and learned the general acceptability range for...