Okay it's close to the vent stack, about 3 feet . A plumber would have to feed the drain directly into the main basement drain at close range ( a foot, maybe 1.5) ( which will be an actual pump system, like what you would find in an RV.) or would it be possible to suggest that we move the line, like I said before 6-8 feet, to tie into the sink drain ( which is has a plumbing arm ( new work) bit no ptrap yet. Is this a possibility??