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Old 10-15-2015, 09:36 AM   #1
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drain lines for washing machine relocation

Hello all, I am planning out a relocation of my washing machine and laundry sink in the basement. They will be moved across a room to the opposite wall about 20' away. I am familiar with basic installation techniques, cutting and joining pipe, etc, but I do not have the knowledge to decide what size pipe to use, which fittings, and so on. Any advice is appreciated!

See diagram:

Some questions I have:
-is the plan permissible as shown in the diagram?
-what size pipe to use for drain portion and vent portion?
-what fittings to use - I assume sanitary tees for connecting to old vent, and wye + 1/8 turn for connecting to the new drain line?
-is the dotted vent branch necessary?
-anything I might be missing?

Any other constructive comments are welcome. Thanks in advance for your help. I am happy to provide any other information that might be needed.
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Old 10-15-2015, 12:43 PM   #2
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Run a vertical vent in between the drains 1.5 inch pipe. The traps for the washer and LT sink must come off horizontal with no rise. Run 2 inch the entire drain. Use a wye for the LT pickup not a tee. Vertical on the vent means 45 degree angle minimum from the vent connection. You will also need a permit in Ohio for inspection. This is a circuit vent. Does anything drain down where your connecting? The vertical drain your tying into must be 3 inch now.
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