Seeking wisdom from those who have installed a lift

Steve welder said

If I was the owner of this building and saw that chain fall on a trolley up on that roof beam, it would be taken down immediately.

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My old Drummer and Best Friend (RIP) dad had a fleet maintenance ( semis) shop in Channelside. Same deal, with a remote, it could run from one end of the building back to the other, AND Side to Side. That Red Iron is strong as heck. I've shot a lot of metal to that stuff over the years.