Let's put this another way. If I had used 1x or 2x wood rafter ties in place of the cables, no one would bat an eye, because that's how it's usually done. I checked the code book, and the specified connection between rafter tie and rafter are three 8d nails face nailed.
What is the shear...
I see I'm a little late responding to this thread, but I'll put my .02 in anyway:
I work at heights everyday and am familiar with OSHAs regs.
The anchorage must be capable of supporting 5,000lbs. per worker. However, personnel using personal fall arrest systems with a body harness must have...
Thanks for the help, guys.
Good thought on the wind load pushing the walls in - I hadn't thought of that. There are two heavy timbers perpendicular to the ridge that support the upper floor, I'm sure these would resist any wind - however I'm not in a special wind zone anyway.
The cables are...
I have built a new roof over my house. It's a 12:12 pitch and spans 22' total. This will be a cathedral ceiling, but I installed a ridge board (2x12) not a ridge beam. I have installed collar ties (2x4@16"oc)at about 8' high above the plates.
I installed the rafters (2x8 16"oc) to a 2x12...
