JHA / JSA / AHA builderStructural Steel Final Bolting JHA
A JHA breaks the work into steps, hazards and controls. Use this example to build a draft for your actual job and review it with your crew.
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Step 1 of 4 · Working draft
Your job
Tell Jenkins what you’re planning and where the work will happen. Use the actual job details.
Use the published example’s suggestions when they fit your task, or write your own steps. These are planned controls, not verified worksite conditions.
Describe an observable step, how someone could be harmed, and the control that acts on that hazard. Identify who checks it and what evidence is needed.
Walk through the plan with the people doing the work. Resolve missing controls and agree who checks them. Moving to the next step does not approve the work.
Confirm people, equipment and emergency arrangements
Record changes, checks, and open actions
Walk the work area, review with the crew, and resolve missing controls. Follow the required approval process. This tool does not judge completeness, verify signatures or authorize work.
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Your Structural Steel Final Bolting JHA
Walk through the job in order. Use these possible hazards, planned controls and checks to start a conversation about your actual work.
011. Accept the connection work area
Possible hazards: Removing a temporary bolt or loading an incomplete frame can cause instability.
Planned controls: Erection supervisor identifies connections released for final bolting and support that must remain. Crew holds any proposed bolt removal or alignment change for the designated authority.
Check before work: Compare released connection marks and temporary support with the erection plan.
022. Establish protected access
Possible hazards: Workers or tools can fall from the platform or through openings.
Planned controls: Use the approved access and fall protection for the actual steel erection activity. Separate people below and arrange tools and materials against falling.
Check before work: Supervisor checks access, opening protection and the applicable fall-system inspection before entry.
033. Check bolts and tightening equipment
Possible hazards: Wrong assemblies or uncontrolled tool reaction can cause connection defects or hand injuries.
Planned controls: Identify the specified bolt assemblies and tool setup. Inspect sockets, drives and reaction arrangements; establish a hand position outside the reaction path.
Check before work: Bolting lead matches assemblies and tool settings to the connection procedure.
044. Install and tighten the released connection
Possible hazards: Torque reaction, pinch points and awkward reach can injure the operator.
Planned controls: Follow the specified installation sequence from stable access. Keep fingers out of aligned holes and reaction zones; use appropriate alignment tools without unapproved connection changes.
Check before work: Lead checks the first connection against the installation procedure and monitors tool reaction.
055. Resolve a misfit or defective assembly
Possible hazards: Forcing a fit or substituting a bolt can damage the connection and expose workers to sudden movement.
Planned controls: Stop the affected connection, identify it and seek the required erection or design disposition. Stop and secure the tool before changing accessories.
Check before work: Lead records the affected connection and confirms disposition before rework.
066. Inspect and hand over
Possible hazards: An unrecorded incomplete connection can mislead the next crew.
Planned controls: Keep required installation and inspection records, identify open connections and retain access restrictions until the designated release. Secure tools and loose materials.
Check before work: Supervisor reconciles completed and open connection marks with the receiving crew.
Example scope and starting conditions
A bolting crew will complete specified bolted connections on a stabilized building frame using powered tightening tools from protected access platforms. Initial erection connections remain under the erector’s control. This fictional learning example records planned controls; it supplies no actual inspections or work authorization.
- Current connection drawings and the specified installation and inspection method are available.
- The erection supervisor releases the work area and confirms temporary stability and protected access.
- This excludes initial connecting under a suspended load, field welding and alteration of existing loaded connections.
Know when to pause
- Support or connection release is uncertain.
- Assemblies, installation method or access changes.
- Misfit, damaged threads or uncontrolled tool reaction occurs.
After a pause, correct the condition, reassess the work, and obtain required authorization before restarting.
Free example and template
No account required. The worked example contains planned controls. The blank template is for your own work; neither includes fabricated inspection results, signatures or approval.
Worked exampleNeed help? Ask Jenkins
Jenkins · Your Safety Concierge
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For managers
Does the team have what it needs to carry out the plan? Give the crew time, equipment and support, and make it clear who will resolve anything that is missing.
Manager checks and supporting resources
Confirm the people doing the work have the time, equipment, information and support to carry out the plan. Agree who checks the controls and who resolves open actions.
Questions to resolve before work
- Which connection and installation method is specified?
- Who confirms stability and controls any bolt removal?
- What tool setup and inspection evidence does this connection require?
Training and qualifications to confirm
- Actual bolting method and safe handling of tool reaction.
- Steel erection fall training for the assigned role under 1926.761.
Confirm the actual training evidence for the assigned people. A toolbox talk does not establish competence.
Decisions that change the plan
Does this example specify a universal bolt torque?
No. Use the project’s specified connection and installation method with its inspection criteria. A generic torque value could be wrong for the assembly and method.
What must be recorded before this example is used on a job?
Replace the scenario with the actual work, identify additional hazards with the crew, and record the applicable instructions, responsible people, inspection findings, unresolved actions and required authorization. A planned verification is not an inspection result.
Keep planning connected
Resources that support this JHA
Additional tools for task planning and safe work. Start with the free resources; explore paid options only when they meet an additional need.
Toolbox talks for the work
Prepare a practical crew discussion.
Steel Erection: Verify Readiness and Release →Powered Tools: Check the Tool, Guard and Accessory →Fall Prevention: Verify the Controls →Dropped Objects: Secure the Work Above →Steel Bolting: Check the Tool and the Reaction Path →
Safety program resources
Review procedures, roles, and requirements.
Browse the existing catalog and confirm the scope and purchase availability of each program.
Browse safety programs →
Paid service · Availability
Task-specific training and qualifications
Explore applicable training and qualification needs.
Task-specific training services are not currently available to book here. Start with the free training-needs lookup; a toolbox talk or online course alone does not establish competence or employer authorization.
Review training needs · Free →People, equipment, emergency arrangements and open actions are recorded in the guided JHA’s Crew review step.
Open the crew review step →For safety professionals
How do we know the planning process and controls are working? Connect what the crew reports with field checks, risk decisions and the evidence behind your system.
Industry context, SIF, control verification and AHA review
Guidance and evidence
Review the method, risk decisions and evidence behind the plan. Use the actual jurisdiction, equipment instructions, employer process and project requirements.
Task-by-task control and verification rationale
1. Accept the connection work area
Hazard: Removing a temporary bolt or loading an incomplete frame can cause instability.
Control: Erection supervisor identifies connections released for final bolting and support that must remain. Crew holds any proposed bolt removal or alignment change for the designated authority.
Verification: Compare released connection marks and temporary support with the erection plan.
Why this belongs in the analysis: Final bolting is not authority to change erection stability.
2. Establish protected access
Hazard: Workers or tools can fall from the platform or through openings.
Control: Use the approved access and fall protection for the actual steel erection activity. Separate people below and arrange tools and materials against falling.
Verification: Supervisor checks access, opening protection and the applicable fall-system inspection before entry.
Why this belongs in the analysis: Access protection must suit the erection phase and role.
3. Check bolts and tightening equipment
Hazard: Wrong assemblies or uncontrolled tool reaction can cause connection defects or hand injuries.
Control: Identify the specified bolt assemblies and tool setup. Inspect sockets, drives and reaction arrangements; establish a hand position outside the reaction path.
Verification: Bolting lead matches assemblies and tool settings to the connection procedure.
Why this belongs in the analysis: A familiar wrench does not establish the correct installation method.
4. Install and tighten the released connection
Hazard: Torque reaction, pinch points and awkward reach can injure the operator.
Control: Follow the specified installation sequence from stable access. Keep fingers out of aligned holes and reaction zones; use appropriate alignment tools without unapproved connection changes.
Verification: Lead checks the first connection against the installation procedure and monitors tool reaction.
Why this belongs in the analysis: The connection procedure supplies acceptance criteria; the JHA controls exposure.
5. Resolve a misfit or defective assembly
Hazard: Forcing a fit or substituting a bolt can damage the connection and expose workers to sudden movement.
Control: Stop the affected connection, identify it and seek the required erection or design disposition. Stop and secure the tool before changing accessories.
Verification: Lead records the affected connection and confirms disposition before rework.
Why this belongs in the analysis: Misfit is a changed condition rather than permission to improvise.
6. Inspect and hand over
Hazard: An unrecorded incomplete connection can mislead the next crew.
Control: Keep required installation and inspection records, identify open connections and retain access restrictions until the designated release. Secure tools and loose materials.
Verification: Supervisor reconciles completed and open connection marks with the receiving crew.
Why this belongs in the analysis: Handover communicates actual status, not assumed completion.
Compare control wording
| Needs improvement | More useful for this scenario |
|---|---|
| Be careful around the equipment. | Identify the specified bolt assemblies and tool setup. Inspect sockets, drives and reaction arrangements; establish a hand position outside the reaction path. |
| Check the area before starting. | Erection supervisor identifies connections released for final bolting and support that must remain. Crew holds any proposed bolt removal or alignment change for the designated authority. |
Common questions
Can this be used as a JSA?
Use the Task | Hazard | Control structure if it meets the employer’s format. Adapt the boundaries, controls, verification and records to the actual job.
Does this provide a completed USACE AHA?
No. Use the project’s required AHA process, risk method, supporting fields and acceptance requirements. The existing formwork AHA explains the additional structure.
Are these resources part of a paid course?
This walkthrough, browser draft builder and downloads are free public resources, separate from Academy course enrollment.
References and source note
- OSHA 1926.754 Structural steel assembly and metal decking
- OSHA 1926.760 Steel erection fall protection
- OSHA 1926.761 Steel erection training
- OSHA 1926.300 Hand and power tools
Original worked example developed for the stated scenario. Primary references support the planning framework; the actual equipment manual, product instructions and project design must supply applicable operating and acceptance criteria. Use actual equipment instructions and site requirements alongside these references. Reference review: October 9, 2026.
Developed by Todd Jerome Jenkins, MS, CSP · Edition v1.0 · October 9, 2026
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