Pre-Job Briefing: Rehearse the Critical Step

Human Performance weekly series: lesson 4 of 52.

A 5–10 minute crew discussion, plus time to verify the actual controls. The crew talk and Word version are public. Separate supervisor and attendance records are included with free Safety & Systems membership.

Why this matters

A briefing becomes useful when the crew can describe how the work will unfold. Focus on the step where sequence, timing or a handoff matters most. With hazardous action prevented, talk through who acts, what must be verified first and what happens if the expected condition is absent. Find the gap before the work reaches it.

Learning objective

Explain the critical step’s sequence, assigned roles, required control evidence and response to an unexpected condition before the crew starts.

Key hazards or failure points

Two people assuming the other owns a check; premature action; conflicting sequences; an omitted handoff; confusion over who can authorize the next step; briefing completion mistaken for work release.

Practical controls

• Use the current task plan to select a consequential step for discussion. Identify its prerequisites and expected result. Keep every other required check and work instruction in force.
• Assign the performer, required checker, communicating roles and decision authority. Explain the sequence in the controlling procedure; do not create a shortcut during the briefing.
• Rehearse a foreseeable interruption or missing prerequisite verbally. Agree the site’s pause, notification and restart process. Include affected crews and anyone taking over a role.

Verify It in the Field

• With equipment untouched and hazardous movement prevented, ask each role to state its action and what must happen first. Compare the answers with the current work instruction. Resolve a different sequence before exposure.
• Ask the designated checker to identify the control’s criterion, safe verification method and actual evidence. Record the finding and time. If the check is still pending, identify the hold point; describing a check does not complete it.
• Use a safe discussion scenario: the required result is missing or the handoff is interrupted. Have the crew name who holds the step, who is contacted and how authorized restart occurs. Correct gaps and repeat the rehearsal without operating equipment.

Stop and reassess

Hold the affected step for an unassigned responsibility, contradictory sequence, incomplete required check or unexpected result. Use the defined safe-state and notification procedure. A change in people, equipment or scope may require another briefing and checks. Resume only after the required resolution, authorization and shared understanding.

Crew discussion questions

• Who acts next, and what must be confirmed first?
• Where could our handoff fail or become ambiguous?
• What happens if the expected result is missing?

For each required control, record its acceptance source and criterion, safe verification method, responsible checker, actual result and time. Use VERIFIED, HOLD/NOT VERIFIED, or N/A with a reason. A tick alone is not evidence. Complete all applicable task inspections; do not enter danger or improvise a test to fill out a form.

Leader preparation and practical detail

Two roles assume the other completed a check

Illustrative situation: the performer believes the leader has confirmed a prerequisite, while the leader expects the performer to obtain the required verification. Pause the rehearsal at that point. Identify the role required by the governing procedure and establish how the result reaches the person who depends on it. Use an actual recorded finding when available; otherwise leave the prerequisite pending. The briefing exposes the ownership gap but does not fill it with a new signature.

Make the rehearsal about the sequence

Ask the person performing the step to explain the preceding condition, intended action and expected result. Then ask the receiving role what information completes the handoff. Work through a missing-result example without operating equipment. Where a formal independent or concurrent verification is required, retain its specified people and method. A conversational repeat-back cannot replace technical verification or independence requirements.

Scale the discussion to the work

Spend time on unusual configurations, interacting crews and consequences that cannot be readily reversed. A short familiar job still needs its important controls, while an unfamiliar complex activity may require planning, training or an approved practice setup beyond a toolbox talk. Avoid a long checklist monologue. Record a useful output: a corrected sequence, a clarified owner or an unresolved condition that keeps a specific step on hold.

Link to communication support without duplicating it

Use the existing Inclusive Safety Briefings resource when language, format, noise or access prevents participation. This lesson’s specific focus is the operational sequence and ownership of critical checks. After suitable communication support is in place, repeat the practical rehearsal so the crew can explain the next step and its prerequisite. Both access to the discussion and accurate task coordination matter.

Short supervisor field check

• Selected critical step and prerequisites match the current work instruction.
• Performer, checker, communication roles and decision authority are assigned.
• Safe verbal rehearsal confirms sequence and handoff responsibilities.
• Actual check evidence is distinguished from pending prerequisites.
• Unexpected-result response, changes and authorized restart are understood.

Confirm the relevant trained/authorized people, unresolved items, interim protection, correction owner and recheck. Record required release authority and rebrief anyone affected. The separate sheet supports these records; it does not replace a specialist inspection, permit or engineering determination.

Attendance and follow-through

Use the separate attendance sheet for participants, roles, discussion concerns, actions and late-arrival rebriefs. Attendance is not proof of competence, functioning controls or authorization to work. Keep completed records private under employer procedures.

Source acknowledgment

This resource draws on the U.S. Department of Energy’s DOE-HDBK-1028-2009, Human Performance Improvement Handbook, Volume 2 (June 2009). Todd Jerome Jenkins makes no claim of authorship or copyright ownership in the original U.S. Government work. New explanations, examples, exercises and layouts are Todd Jerome Jenkins adaptations. No endorsement by DOE or the U.S. Government is implied. Third-party material credited in the handbook remains attributed to its source; this notice does not claim rights in that material.

Source excerpt: Volume 2/VOLUME 2 PRE-JOB BRIEFING.pdf; Printed pp. 34, 35, 36, 37. The June 2009 handbook supplies concepts; this lesson uses original explanations and exercises.

Technical scope and references

References reviewed October 9, 2026. DOE human-performance tools and OSHA recommended practices support preparation and discussion; they do not establish universal technical acceptance criteria. Apply the current task procedure, manufacturer instructions, permit and required competent or qualified decisions. A successful exercise does not replace required training, technical verification or work authorization.

1. DOE-HDBK-1028-2009, Volume 2 — Pre-Job Briefing — June 2009 guidance, printed pages 34–37: task-specific preparation, critical activities, roles, interaction, contingencies and proportionate briefing detail. Source-specific nuclear practices, event claims and universal shift-frequency claims are not adopted.
2. OSHA — Hazard Prevention and Control — Recommended practices, action items 3 and 6: responsibility and control verification. This rehearsal is an original practice example, not an OSHA-mandated generic briefing format.

Connect this discussion to your JHA/JSA

Use the JHA/JSA planning and field-verification worksheet to record the actual task steps, hazards, responsible roles and controls. No task-specific worked example is linked for this topic yet. Return to What Changed Today? when the plan or conditions change.

Related Todd Jerome Jenkins articles: How to Conduct a Job Safety Analysis and What Is Human and Organizational Performance?.

Related crew discussions

• Pre Job Jha Jsa
• Human Performance Pre Job Check

Continue the weekly series

• Lesson 3: Job-Site Review: Does the Place Match the Plan?
• Lesson 5: Self-Checking: Confirm the Item, Action and Result

Put one check into practice

Use the free JHA/JSA planning and field-verification worksheet to record today’s change, the required protection and the evidence needed before exposure.