New Orleans ain't the only thing sinking!

[sonc]

This roof is flat , Have a look at the big Carrier on the right.

http://www.imagewiz.net/images/hvactalk/167003_101_0155.JPG

[absrbrtek]

Looks like another adapta curb with out the support rail under the condenser and the roof. Your other pics going to look like this also.

[ozone drone]

It's that damned Ozone Hole (no relation) causing a localized negative gravity imballance again

[Green Mountain]

There MUST be a roof drain in the middle of the HVAC equipment parking lot. Everything pitches towards it.