Vent line

[downrange]

I am starting a new bathroom in my basment and will be breaking out concrete to run my drain lines. can anyone tell me were i need to run my vent line from? there should be an attachment

 

[Prashster]

You should have vents for each fixture, including the ejector pump. They can all tie in together (check code for min height).

The shower, toilet, and ejector are in a convenient line. But the sink will have to be vented and then possibly tied into the other fixture vents in the ceiling.