JHA / JSA / AHA builderFlying Slab Form Relocation 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 Flying Slab Form Relocation 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 the identified table for relocation
Possible hazards: Early support removal can overload the partly cured slab or leave the table without a stable load path.
Planned controls: Formwork lead identifies the table and obtains the actual strength-based removal determination, current relocation method and reshoring requirements. Resolve changes to unit size, attachments or support conditions with the responsible designer before disengagement.
Check before work: Lead checks the table identity and support-release records against the planned move.
022. Prepare both levels and the lift
Possible hazards: An obstructed route, unready receiving bay or unknown load can expose workers to a falling form.
Planned controls: Lifting team verifies unit weight, designated pick arrangement and crane capacity for the actual path. Prepare receiving supports, clear loose items and close the affected areas below; establish protected departure and receiver positions with the agreed signals.
Check before work: Lift lead checks the path and receiving supports with the formwork lead.
033. Transfer to relocation supports
Possible hazards: Lowering or releasing supports in an assumed order can tip the table or trap hands.
Planned controls: Trained crew follows the actual system procedure to transfer the table from casting supports to its designed relocation supports. Maintain the prescribed restraint and keep workers out of pinch and crush points; stop if a support binds, moves or loses contact.
Check before work: Formwork lead verifies stable support and required restraint at the transfer hold point.
044. Complete roll-out and crane pickup
Possible hazards: The table can run beyond support, swing unexpectedly or expose a worker at the departure edge.
Planned controls: Use the released roll-out and pickup sequence, designated attachment points and controlled worker positions. Retain each support or restraint until the procedure permits its release and the next support condition is verified. Keep workers off the moving form and outside its fall zone.
Check before work: Assigned signaler and formwork lead confirm the pickup hold point before free lifting.
055. Land and secure the table
Possible hazards: An uneven landing or early rigging release can overturn the form and crush a receiver.
Planned controls: Operator and signaler guide the unit to the prepared bay with receivers in protected positions. Land it on the specified supports and complete the required restraint and connection checks before the authorized rigging release; do not improvise packing to fit the bay.
Check before work: Formwork lead confirms bearing and restraint before the lifting team disconnects.
066. Inspect and hand over the relocated unit
Possible hazards: Relocation damage or an assumed pour release can carry a defect into the next slab.
Planned controls: Record actual component and support findings after the move and protect the unit against interference. Hand over remaining setup, access and pre-pour review actions to the next formwork lead; preserve the casting level’s reshoring restrictions.
Check before work: Lead records defects and open actions and confirms both-level handover responsibilities.
Example scope and starting conditions
A trained formwork and lifting team will relocate one designed reusable flying slab table from its casting level to a prepared receiving bay on the next building level. The actual system procedure governs support transfer, roll-out, crane pickup and landing. The example ends with the table supported and handed over for the next setup. This fictional learning example describes planned controls; it records no actual inspection or work authorization.
- The employer establishes the concrete-strength basis for form removal and any required reshoring before the table is disengaged; moving the table does not release reshores.
- Current form-system and lift documents identify the unit, attached components, relocation supports, lifting arrangement, permitted conditions and receiving support layout.
- This is partial coverage of flying forms, limited to reusable floor-form relocation. New shoring assembly, gang wall panels, concrete placement, tiered shore design and removing reshoring require separate analyses.
Know when to pause
- The strength or reshoring basis is missing, changed or inconsistent with the intended move.
- A table support, restraint or attachment behaves differently from the released system procedure.
- The lift path, edge protection, signals, weather conditions or receiving supports no longer meet the plan.
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
- Which actual strength and support records permit this table to leave the casting level?
- How does the system remain stable through each transfer from casting supports to relocation supports and crane support?
- Who confirms protected receiver access and the receiving bay before the form approaches the edge?
Training and qualifications to confirm
- Form-system-specific lowering, relocation-support, roll-out and landing instruction for assigned operators; recognize incompatible parts and unapproved substitutions.
- Role-specific rigging and signaling instruction together with the staged edge protection, exclusion boundaries and rescue arrangements for this move.
Confirm the actual training evidence for the assigned people. A toolbox talk does not establish competence.
Decisions that change the plan
Does the elevated slab formwork erection example cover flying-table reuse?
No. That example builds a shore, bearer and deck system. Relocation transfers an already assembled floor unit through changing support conditions and requires its own system method, lift plan and strength-based casting-level release.
What must the crew record for actual use?
Record the table identity and weight basis, drawing and manual revisions, strength/removal determination, reshoring restrictions, lift and receiving arrangements, assigned hold-point roles, actual findings and unresolved actions. Keep these records separate from the next pour release.
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.
Form Stripping: Verify the Release and Reshoring →Rigging: Before the Load Moves →Fall Prevention: Verify the Controls →
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 the identified table for relocation
Hazard: Early support removal can overload the partly cured slab or leave the table without a stable load path.
Control: Formwork lead identifies the table and obtains the actual strength-based removal determination, current relocation method and reshoring requirements. Resolve changes to unit size, attachments or support conditions with the responsible designer before disengagement.
Verification: Lead checks the table identity and support-release records against the planned move.
Why this belongs in the analysis: An available crane does not establish that the slab or table is ready.
2. Prepare both levels and the lift
Hazard: An obstructed route, unready receiving bay or unknown load can expose workers to a falling form.
Control: Lifting team verifies unit weight, designated pick arrangement and crane capacity for the actual path. Prepare receiving supports, clear loose items and close the affected areas below; establish protected departure and receiver positions with the agreed signals.
Verification: Lift lead checks the path and receiving supports with the formwork lead.
Why this belongs in the analysis: The departure, suspended travel and landing conditions must all be ready together.
3. Transfer to relocation supports
Hazard: Lowering or releasing supports in an assumed order can tip the table or trap hands.
Control: Trained crew follows the actual system procedure to transfer the table from casting supports to its designed relocation supports. Maintain the prescribed restraint and keep workers out of pinch and crush points; stop if a support binds, moves or loses contact.
Verification: Formwork lead verifies stable support and required restraint at the transfer hold point.
Why this belongs in the analysis: A generic jack or roller sequence cannot describe every flying form.
4. Complete roll-out and crane pickup
Hazard: The table can run beyond support, swing unexpectedly or expose a worker at the departure edge.
Control: Use the released roll-out and pickup sequence, designated attachment points and controlled worker positions. Retain each support or restraint until the procedure permits its release and the next support condition is verified. Keep workers off the moving form and outside its fall zone.
Verification: Assigned signaler and formwork lead confirm the pickup hold point before free lifting.
Why this belongs in the analysis: The transition to crane support is a planned load transfer, not a push-and-catch operation.
5. Land and secure the table
Hazard: An uneven landing or early rigging release can overturn the form and crush a receiver.
Control: Operator and signaler guide the unit to the prepared bay with receivers in protected positions. Land it on the specified supports and complete the required restraint and connection checks before the authorized rigging release; do not improvise packing to fit the bay.
Verification: Formwork lead confirms bearing and restraint before the lifting team disconnects.
Why this belongs in the analysis: A form touching the floor may still lack its designed stable support.
6. Inspect and hand over the relocated unit
Hazard: Relocation damage or an assumed pour release can carry a defect into the next slab.
Control: Record actual component and support findings after the move and protect the unit against interference. Hand over remaining setup, access and pre-pour review actions to the next formwork lead; preserve the casting level’s reshoring restrictions.
Verification: Lead records defects and open actions and confirms both-level handover responsibilities.
Why this belongs in the analysis: Relocation handover is separate from pre-pour acceptance and reshoring removal.
Compare control wording
| Needs improvement | More useful for this scenario |
|---|---|
| Push the table out and let the crane take it. | Formwork and lift leads release the staged support transfers, prescribed restraints and pickup hold point before roll-out starts. |
| It landed, so disconnect. | Formwork lead verifies the actual bearing and required restraint at the receiving bay before authorizing rigging release. |
Common questions
Can this example be used as a JSA?
Adapt its Task | Hazard | Control analysis to the employer’s JSA format and the actual work. Confirm the assigned checks and record real findings before relying on the plan.
What changes if the project requires an AHA?
Use the project’s governing AHA format, risk method, supporting records and acceptance process. The published formwork AHA illustrates that additional structure; this JHA does not establish an AHA risk rating or acceptance.
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 1926.703 Cast-in-place concrete and form removal
- IHSA Construction Health and Safety Manual: Formwork
- OSHA 1926.1417 Crane operation
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. This example supplies no inspection findings or work authorization. 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 13, 2026
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