The cranes being driven out of the assembly plants at Grove, Manitowoc, Link Belt, Krupp and Liebherr, are not your grandfather's or even your father's models.
I was raised on the construction adage: “More guys fall off of shallow pitches than steep ones,” and it has certainly proven true in my 35 years of construction history.
The elements required for establishing proper roof maintenance guidelines on metal roof systems are similar to maintenance conducted on conventional systems.