The permit states that the equipment weighs 475#.  I doubt that but what ever it weighs, four screws is not enough.

The blocks are nailed to each other.

A gas valve is always a nice touch.

And I know that because......

The wood slats are not attached to the steel support base.

This is a disconnect for a roof mounted package unit. The outlet box to the right has a receptacle. It won't be a deadly receptacle until something is plugged in and turned on.  It's not that easy to pack so many violations in such a small space.