ABPA "NEED TO KNOW" CRITERIA
I. INTRODUCTION
- Local Backflow cases and incidents
II. HYDRAULIC AND BACKFLOW PRINCIPLES
- Give definition and show example of:
- Pressure
- atmospheric
- absolute
- negative
- gauge
- static
- fluctuating
- column of water
- gradient
- Venturi effect
- Aspirator effect
- Backflow
- backpressure
- backsiphonage
- Cross Connection
- indirect connection
- direct connection
- Degree of hazard
- pollutant / non-health hazard
- contaminant / health hazard
- Service protection
- Internal protection
III. THEORY OF BACKFLOW AND CROSS CONNECTION
- Hydraulics of water in piping
- How backflow occurs
- Types of actual cross connections
- Degrees of hazard
IV. CODES AND REGULATIONS IN A CROSS-CONNECTION CONTROL PROGRAM
- Federal regulation
- State regulation
- Local regulations
- Adopted plumbing code
V. AGENCY'S RESPONSIBILITIES AND ACTIONS IN A CROSS-CONNECTION
CONTROL PROGRAM
- Water purveyor
- Health authority
- Plumbing inspector
- Tester/contractor
- Consumer
VI. MECHANICAL EQUIPMENT FOR CROSS-CONNECTION CONTROL
- History of assembly development
- Approval and the approval process
- USC Foundation for Cross Connection Control and Hydraulic Research
(USC FCCCHR)
- American Society of Sanitary Engineering (AS SE)
- International Association of Plumbing & Mechanical Officials (IAPMO)
- Canadian Standards Association (CSA)
- American Water Works Association (AWWA)
- Underwriters Lab/Factory Mutual (UL/FM)
- Local
- Air Gap
- design and operation
- application and specific uses
- installation requirements
- inspection
- Atmospheric Vacuum Breaker (AVB)
- design and operation
- component breakdown
- application and specific uses
- installation requirements
- troubleshooting and repair
- inspection
- Pressure Vacuum Breaker Assembly (PVB)
- design and operation
- component breakdown
- application and specific uses
- installation requirements
- field test procedure
- field test reporting
- troubleshooting and repair
- Spill-Resistant Vacuum Breaker Assembly (SVB)
- design and operation
- component breakdown
- application and specific uses
- installation requirements
- field test procedure
- field test reporting
- troubleshooting and repair
- Double Check Assembly (DC) and Double Check Detector Assembly (DCDA)
- design and operation
- component breakdown and different styles
- application and specific uses
- installation requirements
- field test procedure
- field test reporting
- troubleshooting and repair
- Reduced Pressure Assembly (RP) and Reduced Pressure Detector Assembly
(RPDA)
- design and operation
- component breakdown and different styles
- application and specific uses
- installation requirements
- field test procedures
- field test reporting
- troubleshooting and repair
- Special conditions that can affect operation of assemblies
- hot water
- thermal expansion
- pressure fluctuation
- freezing conditions
- manifold installations
- critical services
- accessibility
- location
- Other devices
- Non-testable backflow preventers
- Unapproved/unlisted assemblies
- Field test equipment
- different types
- periodic check of accuracy
- calibration
- Tester responsibility
- tester safety procedures during test and repair
- test report distribution and record keeping
- educational groups and organizations
- local cross connection control program
|
Copyright 1998 American Backflow Prevention Association | 15 September 1998 - revised 6 october 2001 |