Originally Posted by nealtw
I have never understud this rule. You're not allowed to have a drain in the garage because gas could get in the system, but it is ok to to drain the driveway into the perimeter drain where it could vent up thru the down spouts. If the sump in the basement is a sealed unit I might consider hooking up this drain.
Fumes in a closed space where there may ignition sources vs. fumes into the open air which quickly dissipate?
Post the text, there may a logical fallacy in the way it's phrased. I know for sure this happens in the NEC.
With 80 or so fallacies it's hard to miss all of them.