JHA / JSA / AHA builderCaptured Stick Curtain Wall Installation 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 Captured Stick Curtain Wall Installation 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 bay design and work area
Possible hazards: Unaccepted anchors or conflicting work below can turn a small assembly into a falling load.
Planned controls: Review current system and project drawings, member labels and support sequence. Verify protected access, exclusion below and the accepted substrate before taking components to the edge.
Check before work: Lead records drawing revision, substrate release and the assigned observer for the exclusion area.
022. Stage individual members and glazing
Possible hazards: Long profiles or leaning glass can slide; unsupported reaching exposes installers to falls and cuts.
Planned controls: Use secured staging matched to component weights. Maintain clear access and the planned lift path; arrange tools and members within the protected reach envelope.
Check before work: Crew checks staging restraint and access before moving the first member to the bay.
033. Assemble and restrain the stick frame
Possible hazards: A partly connected mullion or transom may rotate or drop before the bay becomes stable.
Planned controls: Install members in the approved sequence while maintaining their designed temporary restraint. Fit specified anchors and splices; do not release support on the strength of an alignment fastener.
Check before work: Responsible installer verifies connection and restraint acceptance before transferring support to the frame.
044. Prepare glass supports and set the IGU
Possible hazards: Missing support blocks, glass-edge contact or premature suction release can cause pane failure or a fall.
Planned controls: Inspect the approved glass supports and contact surfaces. Set the identified pane using the accepted handling plan, keep workers out of pinch points and maintain handling restraint until designated mechanical retention is complete.
Check before work: Glazing lead checks pane identity and bearing, and confirms handling restraint remains engaged for the final retention stage.
055. Complete captured retention and weather details
Possible hazards: An incomplete pressure plate can leave glass insecure; careless finishing can obstruct the drainage path.
Planned controls: Complete the specified pressure plates, fastenings, gaskets and seals from protected positions. Apply the actual system acceptance criteria and preserve its drainage details; quarantine missing or damaged parts.
Check before work: Record retention and drainage inspections against the actual system release criteria before authorizing handling-device release and fitting covers.
066. Accept the bay and release the work zone
Possible hazards: Unrecorded incomplete joints or loose components expose the next crew and people below.
Planned controls: Inspect the finished bay and account for tools and offcuts. Record unfinished interfaces, then remove temporary support and reopen the area only through the agreed acceptance sequence.
Check before work: Supervisor confirms bay status, support release and the separate decision to reopen below.
Example scope and starting conditions
A glazing crew assembles one mechanically captured stick curtain-wall bay on a new building, then sets its specified IGU. Protected upper-floor work positions, lifting arrangements and the project-designed anchor layout are already released. This fictional learning example describes planned controls; it records no actual inspection or work authorization.
- Partial curtain-wall and elevated-glazing coverage: one site-assembled captured bay, with no factory unitized-module erection or structural-silicone bonding.
- The accepted system details identify anchors, member splices, glass supports, drainage and pressure-plate retention.
- Work-platform erection and lifting-system setup are separately accepted; the area below is closed to other work.
Know when to pause
- Pause for changed anchor substrate, missing member restraint, glass damage, incomplete retention or loss of the exclusion below.
- Reassess if the work changes to a unitized module, structural bond, unprotected platform or different system.
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
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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
- Who accepts the designed anchors, splice arrangement and temporary restraint for the partly assembled bay?
- What prevents falls and dropped components throughout assembly, glazing and fixing inspection?
- Which exact system checks release member support and then release the glass-handling equipment?
Training and qualifications to confirm
- Train installers on the accepted stick-system member support, anchorage, glazing retention and inspection sequence.
- Verify handling, protected access and dropped-object control competencies for the actual elevated work positions.
Confirm the actual training evidence for the assigned people. A toolbox talk does not establish competence.
Decisions that change the plan
How is this different from unitized curtain-wall installation?
This bay is built from separate members on site and then mechanically captures a separate pane. The unitized example lifts a factory-built module; its module-support and connection release do not cover this progressive assembly sequence.
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.
Fall Prevention: Verify the Controls →Rigging: Before the Load Moves →Barricades: What Does This Boundary Keep Out? →
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 bay design and work area
Hazard: Unaccepted anchors or conflicting work below can turn a small assembly into a falling load.
Control: Review current system and project drawings, member labels and support sequence. Verify protected access, exclusion below and the accepted substrate before taking components to the edge.
Verification: Lead records drawing revision, substrate release and the assigned observer for the exclusion area.
Why this belongs in the analysis: A familiar-looking curtain-wall profile does not establish the required anchor arrangement.
2. Stage individual members and glazing
Hazard: Long profiles or leaning glass can slide; unsupported reaching exposes installers to falls and cuts.
Control: Use secured staging matched to component weights. Maintain clear access and the planned lift path; arrange tools and members within the protected reach envelope.
Verification: Crew checks staging restraint and access before moving the first member to the bay.
Why this belongs in the analysis: Staging must remain safe as components are removed and the remaining load distribution changes.
3. Assemble and restrain the stick frame
Hazard: A partly connected mullion or transom may rotate or drop before the bay becomes stable.
Control: Install members in the approved sequence while maintaining their designed temporary restraint. Fit specified anchors and splices; do not release support on the strength of an alignment fastener.
Verification: Responsible installer verifies connection and restraint acceptance before transferring support to the frame.
Why this belongs in the analysis: The bay acquires its support progressively; visual alignment is not proof of stability.
4. Prepare glass supports and set the IGU
Hazard: Missing support blocks, glass-edge contact or premature suction release can cause pane failure or a fall.
Control: Inspect the approved glass supports and contact surfaces. Set the identified pane using the accepted handling plan, keep workers out of pinch points and maintain handling restraint until designated mechanical retention is complete.
Verification: Glazing lead checks pane identity and bearing, and confirms handling restraint remains engaged for the final retention stage.
Why this belongs in the analysis: The load needs the designed support and retention rather than friction against a gasket.
5. Complete captured retention and weather details
Hazard: An incomplete pressure plate can leave glass insecure; careless finishing can obstruct the drainage path.
Control: Complete the specified pressure plates, fastenings, gaskets and seals from protected positions. Apply the actual system acceptance criteria and preserve its drainage details; quarantine missing or damaged parts.
Verification: Record retention and drainage inspections against the actual system release criteria before authorizing handling-device release and fitting covers.
Why this belongs in the analysis: Decorative caps can hide missing retention components without providing their function.
6. Accept the bay and release the work zone
Hazard: Unrecorded incomplete joints or loose components expose the next crew and people below.
Control: Inspect the finished bay and account for tools and offcuts. Record unfinished interfaces, then remove temporary support and reopen the area only through the agreed acceptance sequence.
Verification: Supervisor confirms bay status, support release and the separate decision to reopen below.
Why this belongs in the analysis: A glazed appearance does not tell another trade which connections remain incomplete.
Compare control wording
| Needs improvement | More useful for this scenario |
|---|---|
| Work carefully and wear PPE. | Install members in the approved sequence while maintaining their designed temporary restraint. Fit specified anchors and splices; do not release support on the strength of an alignment fastener. |
| Check that everything is ready. | Review current system and project drawings, member labels and support sequence. Verify protected access, exclusion below and the accepted substrate before taking components to the edge. |
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
- Kawneer 1600 Wall System 1 architectural manual
- OSHA 1926.501 Duty to have fall protection
- OSHA 1926.503 Fall protection training
- OSHA 1926.21 Safety training and education
- OSHA 1926.102 Eye and face protection
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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