Originally Posted by
SirJman
There's a special immigration queue for Intl->Dom transit passengers (near the transit counters). These are always empty and quick. You needn't worry about clearing the main immigration/security checkpoints.
I assumed, based on his original post implying that he has 2 separate tickets, that the Bangkok Airways ticket would not be considered International so he would have to clear Customs at SVB. If they were together he might not.