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Thread: Typical drain pipe size for IPC code?

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    Default Typical drain pipe size for IPC code?

    I was going to use 1-1/2" drain pipe for sinks, tub/shower, utility sink, and washing machine drain that will all lead into the 4" drain. My question is should I use a larger diameter like 2" or will the 1-1/2" be just fine ?

    IPC Plumbing Code
    International Plumbing Code

    Georgia's Construction Codes
    Mandatory Code:
    Georgia State Minimum Standard Mechanical Code (International Mechanical Code with Georgia State Amendments)
    Last edited by Terry; 08-23-2009 at 11:24 AM.


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