Connect Bathroom Group and laundry into common drain?

Discussion in 'IPC Plumbing Code Questions' started by Jerry17, Dec 19, 2018.

  1. Jerry17

    Jerry17 New Member

    Dec 18, 2018
    I been reading this forum before but this is my first time posting.
    I'm doing master bath and laundry right next to it. All on the 2nd floor then connects together and has to go thru first floor to the basement. From WC to the elbow changing direction from horizontal to vertical I only have 24 inches. It would simplify things if I can connect my laundry and bathroom together before connects to 3" drain. However I'm worrying that this would be against code since laundry sink at wash machine would become part of my bath group and wet drain even laundry would have its own vent? Is this correct?

    Thank you for great community and education. Branch01.jpg

    BTW I'm using IPC 2015.
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