Adding Washer Drain to Existing Sink

[Mjlax50]

Hello - I am trying to add a washer to an area that has an existing sink. Is this a viable way to do it? I live in the northeast US.

I don't have much room to get the new Tee/Wye for the washer under the existing Tee for the sink. There is a toilet drain connected to the main stack below all of this in the floor if that matters at all.