[Rumplemeyer]

I worked on the “Big Dig”, if a concrete supplier furnished materials not meeting the mix design the resident engineer and his testing lab didn’t do their job, not the contractor.

[Rumplemeyer]

The fine was $50 million dollars, I don’t think that made cheating worth it, do you?

[HighWheeler]

Isn’t the contractor ultimately responsible for all the material bought and people they hire? If not who is?

Someone has to provide the material specs to the suppliers, qualify the supplier, order the materials, then do on-site tests for things like at-pour concrete cylinders and steel samples for the lab tests. Who else would be responsible for that? Who hired the resident engineer and tesing lab?