alt Hacker NewsConsider the turnover rate as an geometric series.
Also 1 foreman in the electrical field runs effectively 50 guys max if good, and smaller sites might be 10 men to a foreman. I currently have 3 foreman running 5 to 6 guys each at my current company (2 close sites of 3)
50:1
10:1
Big range, but still a lot of workers for every foreman.
(Father in law did 35yr in carpentry and teaching job corps)