Commercial Plumbing Code Guides

• Uniform Plumbing Code and Oregon Plumbing Specialty Code (OPSC)

  • Chapter 3: Location of Main Water Supply Shut-off Valve and Protection of Water Supply Piping in Unconditioned Space -- UPC/3/#1 - 3/1/99

  • Chapter 3: Shared Drywells Serving More than One Lot - OPSC/3/#2 - 6/1/17

  • Chapter 6: Rainwater Harvesting Systems for Interior Use or Combined Interior and Exterior Use -- UPC/6/#2 - 9/1/15

  • Chapter 7: Procedure for Inspecting Sewer Bores -- UPC/7/#1 - 7/1/96

  • Chapter 7: Requirements for Private Sewer Easements for Sewers that Cross Property Lines-OPSC/7/#2 - 7/10/18

  • Chapter 7: HDPE Sewer Pipe Under an Existing Building and/or Within an Existing Building Envelope - OPSC/7/#3 - 5/1/18

  • Chapter 7: Reduced drain pipe diameter for conversions to showers - OPSC/7/#5 - 6/1/15

  • Chapter 7: Simplex Pumps in Commercial Buildings -- OPSC/7/#6 - 5/16/16

  • Chapter 9: Air Admittance Valves in Existing Commercial or Industrial Buildings – OPSC/9/#1 – 4/3/19

  • Chapter 11: Alternative Methods for Stormwater Drainage -- UPC/11/#1 - 7/1/96

  • Chapter 11: Location of Drywells in Relation to Property Lines and Buildings - OPSC/11/#2 - 6/1/17