Advice On Mounting 3 PTZs On 10' Pole Atop a Roof

I need advice for mounting 2 or even 3 full size/weight high end PTZ's on the same pole atop a roof. The pole will stand 10'ft above the roof lip surface so will likely need to be at least 12'ft tall. It will be heavily bolted/bracketed to the inside of the roof lip which is 4"in thick brick.

It can't have much sway in high winds though so I'm thinking a 4x4"in square metal tube that would likely need to be 1/4"in aluminum or 1/8"in steel to minimize wind sway with that much top weight and PTZ' at 6'ft, 8'ft and 10'ft (top of pole) mounted around three sides of the pole in a 270 degree, 3' sided spiral up.

Anyone have any advice on manufacturers who pre-make pole mount kits like this is this something I'll have to find someone to custom cut/build?

And any thoughts/concerns about do's/dont's in this scenario, please let me know. The closest example I could find in concept is this picture of a rooftop pole mount however it looks like a 2"x2"in pole and mine will get 10'ft above the lip with 3 heavyweight PTZ's.

Thanks in advance and looking forward to feedback.

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