Commercial Plumbing Code Guides

Code guides provide answers about the application of specific codes.

Uniform Plumbing Code and Oregon Plumbing Specialty Code (OPSC)

• Download PDF fileCommercial Plumbing Code Guide UPC - Chapter 3: Location of Main Water Supply Shut-off Valve and Protection of Water Supply Piping in Unconditioned Space(9.7 Kb)
• Download PDF fileCommercial Plumbing Code Guide OPSC - Chapter 3: Shared Drywells Serving More than One Lot(114.2 Kb)
• Download PDF fileCommercial Plumbing Code Guide UPC - Chapter 6: Rainwater Harvesting Systems for Interior Use or Combined Interior and Exterior Use(235.63 Kb)
• Download PDF fileCommercial Plumbing Code Guide UPC - Chapter 7: Procedure for Inspecting Sewer Bores(9.49 Kb)
• Download PDF fileCommercial Plumbing Code Guide OPSC - Chapter 7: Requirements for Private Sewer Easements for Sewers that Cross Property Lines(276.15 Kb)
• Download PDF fileCommercial Plumbing Code Guide OPSC - Chapter 7: HDPE Sewer Pipe Under an Existing Building and/or Within an Existing Building Envelope(256.5 Kb)
• Download PDF fileCommercial Plumbing Code Guide OPSC - Chapter 7: Reduced drain pipe diameter for conversions to showers(107.25 Kb)
• Download PDF fileCommercial Plumbing Code Guide OPSC - Chapter 7: Simplex Pumps in Commercial Buildings(114.12 Kb)
• Download PDF fileCommercial Plumbing Code Guide OPSC - Chapter 9: Air Admittance Valves in Existing Commercial or Industrial Buildings(169.48 Kb)
• Download PDF fileCommercial Plumbing Code Guide UPC - Chapter 11: Alternative Methods for Stormwater Drainage(8.09 Kb)
• Download PDF fileCommercial Plumbing Code Guide OPSC - Chapter 11: Location of Drywells in Relation to Property Lines and Buildings(116.75 Kb)

More Code Guides 

• City Code Guides 
• Commercial Building Code Guides 
• Commercial Mechanical Code Guides
• Commercial Electrical Code Guides
• Residential Code Guides
• Rescinded Code Guides

You can also read more about these codes, rules and guides: state building codes and related administrative rules and interpretations, City codes, City administrative rules, Business Practice Policies, program guides, Building Official's determinations, PBOT Codes and Guides, MOUs/IGAs and request a change to City codes or recommend a regulatory improvement change.