EUGENE WATER  &  ELECTRIC  BOARD

The following regional installation standards for backflow assemblies are available to help you design and install required equipment. The printer-friendly PDFs are provided for your convenience by the Eugene Water & Electric Board, Springfield Utility Board, Rainbow Water District and City of Eugene Planning and Development department.

• Air gap

• Atmospheric vacuum breaker (AVB)

• Pressure vacuum breaker assembly (PVB)
• Spill-resistant vacuum breaker assembly (SVB)
• Double check valve assembly (DCV) below grade
• Double check valve assembly (DCV) above grade
• Reduced pressure backflow assembly (RP) below grade
• Reduced pressure backflow assembly (RP) above grade

• Double check valve assembly (DCV) below grade
• Double check valve assembly (DCV) above grade
• Ames SS/SE DCV below grade
• Ames SS/SE DCV above grade
• Febco "N" pattern DCV below grade
• Febco "N" pattern DCV above grade
• Reduced pressure backflow assembly (RP) below grade
• Reduced pressure backflow assembly (RP) above grade

• 2.0 inch detector double check valve assembly (DDC) below grade
• 2.0 inch detector double check valve assembly (DDC) above grade
• 2.5 inch and larger detector double check valve assembly (DDC) below grade
• 2.5 inch and larger detector double check valve assembly (DDC) above grade
• Ames SS/SE DDC below grade
• Ames SS/SE DDC above grade
• Febco "N" pattern DDC below grade
• Febco "N" pattern DDC above grade

Read EWEB's Tester Handbook.

For more information about the backflow prevention assembly regional design standards, call EWEB's Water Engineering and Planning department at (541) 685-7000.