Cross-Connection Control Surveyor – Written Exam

Verify that these objectives were covered in your course

  1. Introduction
    • Types of back flow prevention assemblies and devices
    • Application and installation
    • Repairer Responsibilities

  2. General knowledge pertaining to:
    • Consensus standards writing organizations
    • Listing agencies
    • Reading blueprints
    • Codes and regulations from Federal, State and local levels
    • Testing laboratories
    • Professional associations

  3. Hydraulics & science pertaining to:
    • Backflow
    • Backpressure
    • Backsiphonage
    • Cavitation
    • Differential pressure
    • General knowledge of testing and trouble shooting
    • Rigging (weight load)
    • Special tool requirements
    • Spring containment
    • Thermal expansion
    • Torque requirements
    • Turbulence
    • Types of fasteners
    • Vacuum
    • Venturi Principle

  4. Safety precautions and hazards during cross connection control surveys
    • Animals and insects
    • Confined spaces
    • Electricity
    • General safety
    • Vehicle traffic

  5. Knowledge of common, potential, recurring and protected cross connections found within:
    • Funeral homes, general industries, medical facilities, offices, restaurants, etc.

  6. Product performance knowledge:
    • Assembly working pressure (minimum and maximum)
    • Assembly working temperature (minimum and maximum)
    • Backflow, backpressure and backsiphonage
    • Continuous pressure
    • Degree of hazard
    • Installation with respect to device orientation, direction of flow and elevation
    • Local codes
    • Pressure loss

  7. Parts, terminology & identification, and application & installation for the following:
    • Air Gap (ANSI A112.1.2)
    • Atmospheric Type Vacuum Breakers (ASSE 1001)
    • Anti-siphon Fill Valves (Ballcocks) for Gravity Water Closet Flush Tanks (ASSE 1002)
    • Hose Connection Vacuum Breakers (ASSE 1011)
    • Backflow Preventer with Intermediate Atmospheric Vent (ASSE 1012)
    • Reduced Pressure Principle Backflow Preventers (ASSE 1013)
    • Double Check Backflow Prevention Assemblies (ASSE 1015)
    • Vacuum Breaker Wall Hydrants, Freeze Resistant, Automatic Draining Type (ASSE 1019)
    • Pressure Vacuum Breaker Assembly ( ASSE 1020)
    • Drain Air Gaps for Domestic Dishwasher Applications (ASSE 1021)
    • Backflow Preventer for Beverage Dispensing Machines (ASSE 1022)
    • Dual Check Backflow Preventers (ASSE 1024)
    • Dual Check Valve Type BF for Carbonated Beverage DispensersASSE 1032)
    • Laboratory Faucet Backflow Preventers (ASSE 1035–current edition)
    • Reduced Pressure Detector Fire Protection Backflow Prevention Assembly (ASSE 1047)
    • Double Check Detector Fire Protection Backflow Prevention Assemblies (ASSE 1048)
    • Hose Connection Backflow Preventer (ASSE 1052)
    • Spill Resistant Vacuum Breaker (ASSE 1056)

  8. Conducting a survey
    • Actions taken prior to conducting a cross connection control survey
    • Notification to proper authorities
    • Notification to premise occupants
    • Display proper identification

  9. Conducting a survey - Safety inspection
    • Field evaluation for safety hazards regarding Federal, State and local safety regulations
    • Confined spaces – ventilation, access, oxygen content
    • Chemical, electrical or flammable hazards
    • Hazards related to elevation of devices
    • Hazards to the surveyor and other persons
    • Security for Backflow Prevention Assemblies

  10. Conducting a survey - Checklist
    • Complete a cross connection control survey checklist which includes systems identification, assembly and device locations and potential and actual cross connections
    • Record the physical identification of backflow prevention assemblies including:
      • Type of device, manufacturer, model number, serial number, size, location, type of shut off valves, building address, observations
    • Connection control surveyor data including:
      • Surveyor’s printed name and signature, surveyor’s identification, and date and time of cross connection control survey.

  11. Conducting a survey - Documentation
    • Review of the actions taken after completing a cross connection control survey inspection:
      • Completion of the proper documentation.

  12. Vocabulary and definitions

I verify that the above mentioned instructional objectives have been covered in my course of instruction.