Improper Ductwork Approved?

I saw a good one today, and it took me a while to catch on.

What do you guys think of this?

A 10 Ton Package Unit with a capped, and I do mean capped - with slips, drives and a cap, return air duct about 10 feet away from the unit.

It was in a school so it had to have, of course, smoke/heat detec

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