This was put in at the office where my wife works.Either no permit was pulled or I have lost all faith in inspectors.
They must have ran out of conduit. The building occupants were also curious why the building was under such a negative pressure.Well here is why.
Nice hole patch. But wait. This hole in the return duct is plenty large enough for 4 tons of air.
[Edited by Boss on 12-28-2003 at 10:26 PM]