Send a certified letter to the concrete supplier, get it tested, and then let them know how much it is going to cost to tear it out and repour the job.
Don't forget to charge your overhead and normal profit on it, treat it like a regular job, also for the demo and disposal of the mix he dumped on your job.
When they dispatch the truck they should put the time on the delivery ticket, sounds like the driver stopped for lunch after he picked up the load, I doubt the driver still works there.
Don't forget to charge your overhead and normal profit on it, treat it like a regular job, also for the demo and disposal of the mix he dumped on your job.
When they dispatch the truck they should put the time on the delivery ticket, sounds like the driver stopped for lunch after he picked up the load, I doubt the driver still works there.