Tie Washer Drain Into Sink

The size of a drain line for a small bar sink.
Tie washer drain into sink. Something like this or this but in reverse. Connect the washing machine to the sink drain if. If possible and applicable note. But i assume from your question that sink doesn t have any drain.
This install is in a basement so it would be very difficult to cut more concrete or run a separate line to the sump. If the utility sink was properly installed it has its own drain. The drain hose from the washing machine is hung on the edge of the laundry sink. Do not connect it directly to a drain stand pipe unless the pipe is at least 2 inches in diameter.
1 install the drain hose into an installed 2 diameter drainage stand pipe. Do not tie it into the trap. It can then run horizontally to tie into another vent as long as it maintains a 1 4 inch per foot slope toward the drain. This is where you will place the new y fitting that will separate the washer s drain from the utility sink s drain in the next.
The sink drain and the washer drain connect below the floor. Locate your existing washer s drain line specifically where it goes down into the floor or wall. The washing machine drain 1 5 would run horizontally along wall pick up the lavatory drain still 1 5 and wye into a 2 drain with the shower which then wyes into a 3 drain with the toilet and on to a sump. Washer drain hose to utility sink.
There are three rules. Other options for washing machine drainage in garage. This is in virginia. Tee wye off the vent for the sink above the standpipe waste at least 42 off the floor and if sink on the left in this photo then above the laundry box.
Water is drained from the washing machine directly into the sink.