Guidelines and policies for contractors, installers and other interested persons

The following documents are available as downloads in Microsoft Word format or otherwise indicated:

• 3-Compartment (Restaurant) Sinks
  
  
• Access for Hot Water Tanks
  
  
• Air Admittance Valves
  
  
• Bathroom (Horizontal) Wet Venting (PDF)
  
  
• Barrier Type Floor Drain Trap Seal Protection Devices (PDF)
  
  
• CSST Piping Termination Within a Vented Gas Fireplace
  
  
• Chemical Dispenser Installation and Backflow Protection (PDF)
  
  
• Circuit Venting (PDF)
  
  
• Combining Multiple Relief Line Discharge Sizing
  
  
• Control valve requirements for showers and combination bathtub/showers, including claw-foot bathtubs with showers (PDF)
  
  
• Double-Wye and Double-Combination Fittings in Horizontal Drain Lines (PDF)
  
  
• Dishwasher Drainage Discharge Piping and Airgap (Johnson Tee)
  
  
• Electrical Bonding of Corrugated Stainless Steel Tubing in Fuel Gas Systems (PDF)
  
  
• Espresso Stand Permit and Inspection Requirements (PDF)
  
  
• Fuel Gas Piping in Townhouses (PDF)
  
  
• Hydronic Piping in Concrete Slabs (PDF)
  
  
• Horizontal Vents and Fittings for Vent Connections to Trap Arms Below Flood Rim (PDF)
  
  
• Indirect Waste Receptor Location for Condensate Drains (PDF)
  
  
• Macerating Toilet Systems
  
  
• Medical Gas Permit and Review Memo (PDF, updated July 1, 2011)
  
  
• Medical Gas Piping Installer Test Form
  
  
• Multiple Shower Head/Body Spray Shower Drain Sizing (PDF)
  
  
• Piping Support and Mid-Story Guides
  
  
• Plastic Water Service Termination Within a Building
  
  
• Rainwater Harvesting and Connection to Plumbing Fixtures Policy (PDF)
  
  
• Reduced Shower Size for Replacing an Existing Bathtub (PDF)
  
  
• Underground Piping (PDF)
  
  
• Water Heater Relief Valve Termination
  
  
• Water Reuse Permit and Review Memo (PDF)
  
  
• Water Temperature Limited Device Chart (PDF)