Change Management: Verify Readiness Before the Switch

Human Performance weekly series: lesson 41 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 planned change has a transition period: people may have different instructions, equipment may be partly replaced and a control owner may be unclear. Prepare that period as carefully as the final arrangement. Before the switch, establish which conditions permit the next step and who has evidence that they are met.

Learning objective

Explain a planned change’s transition, affected controls and release conditions, then verify readiness before relying on the new arrangement.

Key hazards or failure points

Old and new instructions mixed; affected crews omitted; protection removed too early; incomplete installation; unclear control ownership; training assumed; a successful first use mistaken for completed follow-up.

Practical controls

• Define what changes, when and who is affected, including other shifts and employers. Use the applicable change-approval process. Identify protection needed before, during and after the transition.
• Assign transition tasks, required checks and release decisions to the appropriate people. Resolve conflicting instructions and provide the required training, equipment and support before affected work begins.
• Agree hold points, communication and an approved contingency if readiness is not achieved. Keep required protection effective throughout the change. Do not assume returning to the previous arrangement is automatically safe.

Verify It in the Field

• Walk through the transition on paper with affected roles. At each stage, identify the controlling instruction, required protection and responsible person. Record gaps where work could start before the new control is ready.
• Before release, have designated people compare actual conditions with the governing procedure, design, permit or equipment criteria. Record required inspection results, verifier and time. A delivery, installation notice or training invitation is not completed readiness evidence.
• Ask affected workers to explain the next authorized step, remaining restriction and stop contact. After implementation, check the arrangement at the planned review point for usability and control performance. Record actual findings and unresolved items; maintain necessary holds.

Stop and reassess

Hold the switch or affected work for missing approval, incompatible instructions, unverified protection or an uncovered transition stage. Use the defined safe-state and notification process. Resume only after required corrections, checks and authorization. Reassess unexpected effects; the original approval does not cover every later change.

Crew discussion questions

• Where could protection be lost during this transition?
• Who decides that the next stage is ready?
• What evidence will we review after the switch?

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

The final arrangement is ready on paper

Illustrative situation: an access route will change when a new work area opens. The final plan is approved, but one crew is still using the old route while barriers are being moved. Review the intermediate stages, who controls access and when the new route may be used. Keep people separated from the exposure under the approved transition arrangement. A final drawing does not establish protection during installation.

Treat readiness as evidence tied to a decision

Define what must be complete before the responsible authority releases a stage. Depending on the actual work, evidence may include an approved instruction, completed inspection or required practical training. The appropriate source supplies acceptance criteria and authorized roles. This general lesson does not replace a formal management-of-change, permit or commissioning process where one applies. Record pending requirements honestly rather than treating a promised completion as a release basis.

Check what the change does to real work

Set a review point that reflects the change’s risks and operating conditions. Ask affected crews what became easier and what new difficulty appeared, then compare control performance with its criteria through the approved safe method. An unexpected problem may require a hold and further review. The contingency must be authorized for the actual condition; reversing a change without review can create a different hazard.

Short supervisor field check

• Scope, affected people and applicable change process are identified.
• Each transition stage has an instruction, control and owner.
• Required preparation and checks have actual acceptable results.
• Crew understands restrictions, contingency and release authority.
• Post-change review verifies performance and assigns remaining issues.

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 CHANGE MANAGEMENT.pdf; Printed pp. 93, 94. 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 — Change Management — June 2009 illustrative guidance, printed pages 93–94: affected-worker input, planning, ownership, communication and follow-through. The transition-readiness exercise is original; no universal regulatory change process is asserted.
2. HSE — Organisational Change — UK regulator guidance on transition risks, affected people, transferred responsibilities and changed-role support; not a U.S. legal requirement.
3. OSHA — Hazard Prevention and Control — Recommended practices, action items 3 and 6: assign responsibility and verify implemented protection.

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

• Project Planning: Make Safe Work Achievable
• Project Review: Resolve Interfaces Before Release

Continue the weekly series

• Lesson 40: Independent Oversight: Find the Blind Spots
• Lesson 42: Benchmarking: Study the Practice Before Adopting It

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.