ASSE 5120 study materials
ASSE 5120 study resources

ASSE 5120 study plan

ASSE 5120 · Give each week a clear focus.

8 weeks · About 7 hours per week

Week 1

Backflow Fundamentals and Cross-Connection Concepts & Hydraulics and Pressure Principles

  • Define backflow, backsiphonage, and backpressure, and diagram three cross-connection scenarios from memory.

  • Classify the five common backflow prevention device types by their mechanical principle and hazard level.

  • Explain how pressure differentials and elevation changes drive reverse flow using the continuity and Bernoulli relationships.

  • Solve five pipe-flow problems converting between psi, feet of head, and flow rate to reinforce hydraulic intuition.

Your checkpoint

A one-page cross-connection and hydraulics reference sheet with device classifications, formulas, and a worked pressure-conversion example.

Week 2

Backflow Prevention Assemblies and Device Identification & Backflow Fundamentals and Cross-Connection Concepts

  • Identify and label the internal components of RPZ, DCVA, PVB, SVB, and AVB assemblies from memory.

  • Compare the protection level, installation orientation, and code-allowed applications of each assembly type.

  • Trace the flow path through each assembly during normal operation and during a backflow event.

  • Match ten field scenarios to the correct device type and justify each choice in writing.

Your checkpoint

A device-identification matrix covering five assembly types with components, protection level, orientation, and application notes.

Week 3

Field Testing Procedures and Test Equipment & Hydraulics and Pressure Principles

  • List the required test equipment for each assembly type and describe its calibration and maintenance requirements.

  • Sequence the field test procedure for an RPZ, including differential pressure readings and acceptable ranges.

  • Perform the DCVA, PVB, and SVB test sequences step by step, recording each gauge reading and pass/fail criterion.

  • Diagnose three common test failures (leaking check, fouled relief valve, gauge error) and state the corrective action.

Your checkpoint

A written test-procedure checklist for all five assembly types with gauge readings, pass/fail thresholds, and failure diagnosis notes.

Week 4

Field Testing Procedures and Test Equipment & Backflow Prevention Assemblies and Device Identification

  • Complete ten timed practice test scenarios across all assembly types, recording every reading and result.

  • Explain how to verify gauge accuracy and account for gauge error in differential pressure calculations.

  • Document a complete RPZ field test from setup through teardown, including safety checks and record entries.

  • Identify and correct three procedural errors in sample test forms.

Your checkpoint

A completed mock field test report for an RPZ and DCVA, including readings, pass/fail determinations, and a corrected error log.

Week 5

Codes, Standards, and Regulatory Requirements & Backflow Fundamentals and Cross-Connection Concepts

  • Summarize the scope and key requirements of the applicable plumbing and cross-connection control standards.

  • Explain the roles of the authority having jurisdiction, certified tester, and water purveyor in compliance.

  • Outline the annual testing, tagging, and notification requirements for backflow assemblies.

  • Compare installation requirements for containment versus isolation protection in three building types.

Your checkpoint

A regulatory summary table mapping five standards to their testing, installation, and recordkeeping requirements.

Week 6

Field Testing Procedures and Test Equipment & Codes, Standards, and Regulatory Requirements

  • Apply code requirements to ten installation and testing scenarios and identify compliance gaps.

  • Explain the tester's legal and ethical obligations when recording and reporting test results.

  • Describe the procedure for handling a failed assembly, including notification, tagging, and retest.

  • Review sample test forms for completeness and regulatory compliance.

Your checkpoint

A compliance audit of ten sample test reports with a written finding and correction for each.

Week 7

Safety, Records, and Professional Practice & Field Testing Procedures and Test Equipment

  • Describe safe work practices for field testing, including depressurization, PPE, and confined-space awareness.

  • Outline a records management system for test reports, calibration logs, and customer notifications.

  • Explain professional communication and liability considerations when interacting with customers and authorities.

  • Complete a full timed practice exam and score it by domain.

Your checkpoint

A safety and records checklist plus a scored practice exam with a domain-by-domain error analysis.

Week 8

Field Testing Procedures and Test Equipment & Backflow Prevention Assemblies and Device Identification

  • Re-test all weak areas identified in the practice exam until each reaches a passing threshold.

  • Perform a final timed mock exam under test-day conditions.

  • Review all device identification and test procedure notes for accuracy and completeness.

  • Prepare a test-day checklist covering equipment, documentation, and timing strategy.

Your checkpoint

A final mock exam score report showing domain-level improvement and a completed test-day readiness checklist.

Milestones

Week 2: Score at least 80% on a self-made device identification quiz covering all five assembly types and their components.

Week 4: Complete a full RPZ and DCVA mock field test with all readings within acceptable ranges and no procedural errors.

Week 6: Correctly apply code requirements to at least 8 of 10 installation and testing scenarios.

Week 8: Achieve at least 75% overall on the final timed mock exam with no domain below 70%.