PUD Cross Connection Presubmittal Resource Documents

Overview

  • Determine the backflow requirements for the domestic, irrigation and the fire protection services.
  • Domestic services will require Double Check Assemblies or Reduced Pressure Zone Assemblies. (This will be determined by the processes that will be present on site.)
  • Irrigation services require Reduced Pressure Zone Assemblies.
  • Fire protection services will require Double Check Detector Check Assemblies. 
  • Any installation shall adhere to manufacturers specifications for installation whether it is a vertical or horizontal installation. 
  • Backflow assemblies shall be installed within 3 to 6 feet of the provided water service.
  • If an assembly is to be installed inside or a greater distance than what is stated, the Cross Connection Coordinator shall be contacted for approval.

Presubmittal Resources