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18 votes

What's the purpose of this lumber resting on top plate of the wall?

That's standard practice to create backing for drywall (or plaster lath) where walls are parallel with ceiling framing members. It's reasonable that the carpenter would've used extra subfloor material ...
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Will i compromise the structural integrity of my I-joist if i hang two 4×8 garage storage racks

In this publication from TJI it tells you where you can drill and cut the I-joist web. In bold letters it days DO NOT cut flanges.
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1 vote

Is it even feasible to drill two 8" holes in the load bearing wall of a high rise?

Following up on Ed Beal's idea, I'd consider windows in two different ways: Sealed Windows If your windows are permanently sealed, as is often the case in high-rise buildings, I would not cut it at ...
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Is it even feasible to drill two 8" holes in the load bearing wall of a high rise?

I would be looking at cutting holes in the windows, it is doubtful that large holes will be allowed, and even less likely that you will be able to install a split system on the exterior, however the ...
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3 votes
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Is it even feasible to drill two 8" holes in the load bearing wall of a high rise?

TL;DR You will not be laughed out of the room. It requires two 8" holes drilled into the wall with their centers 12.7" apart. Should be fine, you ever seen the size of a window? All my ...
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