Minnesota Department of Labor and Industry


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Final Interpretations

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Inquiries can be sent to dli.ccldboards@state.mn.us

  Plumbing Board Final Interpretations
Gutter installation (Nov. 21, 2011)
Sump pumps and discharge piping (March 14, 2011)
35-foot limitation on horizontal plastic piping (March 14, 2011)
ASSE Standard 1017 certified valves (Aug. 18, 2010) 
Sizing of building drains and branches (May 11, 2009)


Plumbing Board Executive Committee



































Minnesota Department of Labor and Industry contact information
Minnesota Department of Labor and Industry
443 Lafayette Road N., St. Paul, MN  55155 (
directions/maps)
Phone:  (651) 284-5005 or 1-800-DIAL-DLI (1-800-342-5354); TTY:  (651) 297-4198
Send comments and questions to Communications at dli.communications@state.mn.us.