JHA / JSA / AHA builderPrecast Hollow Core Floor Erection 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 Precast Hollow Core Floor Erection JHA
Walk through the job in order. Use these possible hazards, planned controls and checks to start a conversation about your actual work.
011. Release bearings and sequence
Possible hazards: An incomplete bearing or missing shore can lead to plank collapse.
Planned controls: Erection lead verifies receiving supports, specified bearing details and temporary shoring against the producer’s current erection documents. Keep the lift on hold for unresolved support geometry.
Check before work: Lead records receiving conditions before the first plank lift.
022. Inspect and rig the plank
Possible hazards: Damaged prestressed concrete or an incompatible clamp can fail during lifting.
Planned controls: Qualified rigging personnel verify member marks, damage status and the producer’s specified lifting system. Use its required safety devices and attachments; refer damage or uncertain handling points for technical disposition.
Check before work: Rigger compares plank and gear identification with the handling instructions.
033. Clear and lift
Possible hazards: A long plank can rotate or strike the erection crew.
Planned controls: Control the travel path and access below, use agreed crane signals and manage orientation from planned safe positions. Keep personnel clear of the suspended member and do not improvise riding or guidance from beneath it.
Check before work: Lift lead confirms the path before each pickup.
044. Seat the plank
Possible hazards: Misaligned bearing or a trapped hand can cause crushing or loss of support.
Planned controls: Land in the documented sequence onto the specified bearing and supports. Use positioning tools and protected receiving positions; verify full required seating and stability before releasing lifting equipment.
Check before work: Erection lead checks both bearing ends against the current criteria.
055. Protect the developing floor
Possible hazards: Open joints, edges or a partly supported plank can cause falls or overload.
Planned controls: Maintain the stage-specific fall protection, opening protection and access limits. Permit walking or material placement only under the producer/design release for that erection stage; keep unapproved loads off the floor.
Check before work: Lead checks protection and load restrictions after each completed section.
066. Hand over for joint work
Possible hazards: Later crews may assume the planks are fully accepted or cut prestressing steel.
Planned controls: Identify unfinished connections, keyway grouting, topping and support restrictions. Mark any planned openings and require producer/engineer approval for alterations; transfer the actual stage release to the next crew.
Check before work: Receiving lead confirms restrictions before joint work or loading.
Example scope and starting conditions
A specialist precast erection crew will crane-set identified prestressed hollow-core floor planks on released bearing lines in a new building. Permanent joint work and subsequent construction loading are later activities. This fictional learning example describes planned controls; it records no actual inspection or work authorization.
- The producer’s erection documents establish member identity, handling attachments, bearing, temporary support and sequence.
- Open edges and incomplete floor bays have a planned fall-protection and rescue arrangement.
- This excludes double tees, wall panels, field cutting of strands, core drilling and unplanned stockpiling on placed planks.
Know when to pause
- Damaged member, unsuitable lifting gear or bearing mismatch.
- Temporary support or fall protection cannot be maintained.
- An unplanned opening, stockpile or altered erection sequence is requested.
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.
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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
- How are plank identity, lift attachments and bearing requirements verified?
- What temporary supports and permitted walk-on conditions apply at each stage?
- Who releases the installed floor for later trades and loading?
Training and qualifications to confirm
- Member-specific handling, bearing checks and erection-stage access instruction.
- Applicable crane/rigger/signal roles and fall-protection training for the actual operation.
Confirm the actual training evidence for the assigned people. A toolbox talk does not establish competence.
Decisions that change the plan
Can a service opening be cut wherever a core looks clear?
No. Hollow-core openings and strand effects need the producer’s and project engineer’s approved details. This erection analysis authorizes no drilling, cutting or prestressing alteration.
What must the crew record for actual use?
Identify the actual equipment and work boundaries, responsible people, applicable criteria, inspection findings and open actions. Resolve changes with affected crews and obtain required project authorization before work.
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.
Rigging: Before the Load Moves →Fall Prevention: Verify the Controls →Line of Fire: Swing Radius & Suspended Loads →
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. Release bearings and sequence
Hazard: An incomplete bearing or missing shore can lead to plank collapse.
Control: Erection lead verifies receiving supports, specified bearing details and temporary shoring against the producer’s current erection documents. Keep the lift on hold for unresolved support geometry.
Verification: Lead records receiving conditions before the first plank lift.
Why this belongs in the analysis: Member delivery does not establish the bearing’s readiness.
2. Inspect and rig the plank
Hazard: Damaged prestressed concrete or an incompatible clamp can fail during lifting.
Control: Qualified rigging personnel verify member marks, damage status and the producer’s specified lifting system. Use its required safety devices and attachments; refer damage or uncertain handling points for technical disposition.
Verification: Rigger compares plank and gear identification with the handling instructions.
Why this belongs in the analysis: A wall-panel insert method is not automatically a hollow-core method.
3. Clear and lift
Hazard: A long plank can rotate or strike the erection crew.
Control: Control the travel path and access below, use agreed crane signals and manage orientation from planned safe positions. Keep personnel clear of the suspended member and do not improvise riding or guidance from beneath it.
Verification: Lift lead confirms the path before each pickup.
Why this belongs in the analysis: Plank length creates a swing exposure beyond the hook position.
4. Seat the plank
Hazard: Misaligned bearing or a trapped hand can cause crushing or loss of support.
Control: Land in the documented sequence onto the specified bearing and supports. Use positioning tools and protected receiving positions; verify full required seating and stability before releasing lifting equipment.
Verification: Erection lead checks both bearing ends against the current criteria.
Why this belongs in the analysis: A plank touching one support is not a verified landing.
5. Protect the developing floor
Hazard: Open joints, edges or a partly supported plank can cause falls or overload.
Control: Maintain the stage-specific fall protection, opening protection and access limits. Permit walking or material placement only under the producer/design release for that erection stage; keep unapproved loads off the floor.
Verification: Lead checks protection and load restrictions after each completed section.
Why this belongs in the analysis: A visually continuous floor can still have incomplete structural work.
6. Hand over for joint work
Hazard: Later crews may assume the planks are fully accepted or cut prestressing steel.
Control: Identify unfinished connections, keyway grouting, topping and support restrictions. Mark any planned openings and require producer/engineer approval for alterations; transfer the actual stage release to the next crew.
Verification: Receiving lead confirms restrictions before joint work or loading.
Why this belongs in the analysis: Prestressed members require a controlled alteration process.
Compare control wording
| Needs improvement | More useful for this scenario |
|---|---|
| Work carefully and wear PPE. | Control the travel path and access below, use agreed crane signals and manage orientation from planned safe positions. Keep personnel clear of the suspended member and do not improvise riding or guidance from beneath it. |
| Check that everything is ready. | Erection lead verifies receiving supports, specified bearing details and temporary shoring against the producer’s current erection documents. Keep the lift on hold for unresolved support geometry. |
Common questions
Can this example be used as a JSA?
Adapt its Task | Hazard | Control analysis to the employer’s format and actual conditions. The example is a teaching aid, not evidence that controls were checked.
What changes if the project requires an AHA?
Use the governing AHA format, risk method, supporting records and acceptance process. The published formwork AHA demonstrates that additional structure; changing a JHA title does not supply it.
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 1926.704 Precast concrete
- OSHA 1926.501 Duty to have fall protection
- PCI Hollowcore technical questions
Original instructional scenario with planned controls. Primary references support hazard planning. Use actual equipment and product instructions, project design and employer requirements to establish field 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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