They are probably talking about aerial. Not bad money for 1/2 hours work; Back when I was younger, and faster, I did one, tap to the ground block in 18 minutes, and it was correct and looked like a professional did it. Piece work man; That's what it's coming too. Underground takes longer and requires a different type of labor. Pays better.
This is CABL.com posting #260049. Tiny Link: cabl.co/mbfOv