Greg...
I didn't comprehend that the job was that large.
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Out my way, the AHJ still won't permit Romex beyond 3 floors.
Chicago is paranoid about fires -- hence EMT forever...
California is paranoid about earthquakes -- hence MC is pushed where the NEC would settle for Romex.
MC does have one overriding advantage in commercial construction: it can tolerate structures still open to the elements. That can make it, ultimately, the cheapest way to go: the time to completion can be drastically shortened.
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In my entire career, I only had one job where the boss wanted to transition from MC to Romex. It was a horrific mistake on his part: the Romex space was too small. Just transitioning wasted whatever materials savings he thought might be had.
Ultimately, he made enough mistakes -- on enough jobs -- to take himself out of the game. His biggest mistake was alienating his foremen while sucking up to his apprentices.
This is a tick seen all too often in the trades: the boss can't leave his own foreman's cap behind -- and treats his (foreman) subordinates like they're still his rivals for promotion -- even though he owns the whole firm!
(Mentally, he was trapped: 'competing' with the design solutions and management grace of his own top men. Doing so, he failed to function as the top manager, top salesman.)
Last edited by Tesla; 12/28/13 06:28 AM.