Getting back to the OP's message: Why did you let them continue to work on your project? I would have fired them & then hire the two West Indian guys, even if you had a fixed price contract with the incompetents. Eight guys? Incredible!
Thoughts entering one's mind need not exit one's mouth!
As I age my memory fades .... and that's a load off my mind!
"We Live In The Land Of The Free, Only Because Of The Brave"
“The problems we face today are there because the people who work for a living are outnumbered by those who vote for a living."
"Socialism is a philosophy of failure, the creed of ignorance, and the gospel of envy, its inherent virtue is the equal sharing of misery." Winston Churchill