JHA / JSA / AHA builderReady-Mix Chute Washout 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 Ready-Mix Chute Washout 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 washout location
Possible hazards: An unsuitable standing area or overflow can expose workers and contaminate surrounding ground or drains.
Planned controls: Site contact identifies the released truck position and suitable watertight container. Check integrity, available capacity and weather-related overflow risk; hold washout when a proper facility or material-handling route is unavailable.
Check before work: Contact and driver study the container and approach before the truck enters.
022. Position and establish separation
Possible hazards: Truck movement can strike pedestrians or crush a person against the container.
Planned controls: Keep the approach and positioning zone clear using agreed driver-guide signals where needed. Driver parks and secures the truck under its instructions; maintain protected pedestrian routes and space outside chute swing and wheel paths.
Check before work: Movement lead checks the boundary; driver confirms the stationary condition before deployment.
033. Deploy the permitted rinse arrangement
Possible hazards: Chute sections or hoses can swing, pinch hands or create awkward reaching positions.
Planned controls: Driver follows the actual chute-locking and rinse instructions, arranging ground-level access and supported hose routing. Keep hands from closing joints and avoid climbing on the chute or container; pause if the planned reach is inadequate.
Check before work: Driver checks chute security and access before water is enabled.
044. Rinse into containment
Possible hazards: Alkaline washwater and concrete residue can burn skin or eyes; uncontrolled spray can reach other workers.
Planned controls: Use the permitted rinse method directed into the container with nearby people outside the splash area. Select cement-resistant gloves, clothing and eye/face protection for the exposure; keep washing supplies accessible and remove contaminated protection promptly.
Check before work: Driver monitors the stream and site contact checks splash separation and response supplies.
055. Monitor and secure the collected material
Possible hazards: A leaking or overfilled container can spread wet residue; a hose on the ground can trip the next worker.
Planned controls: Stop rinsing before capacity or containment is compromised and report leaks promptly. Maintain the site’s required reserve for weather and subsequent use; secure the waste area and hose routes without entering the container or treating washwater on site.
Check before work: Contact records actual capacity or leak findings and arranges the next collection action.
066. Secure the truck and hand over
Possible hazards: Unsecured chutes can swing during departure; an unreported full container can expose the next delivery.
Planned controls: Driver shuts down rinse equipment and secures all chutes and hoses in the instructed travel configuration. Contact transfers container condition, restrictions and collection needs to the responsible site person before reopening vehicle access.
Check before work: Driver checks travel security; site contact confirms the waste handover and exit route.
Example scope and starting conditions
A ready-mix driver and site contact will rinse external mixer chutes into a designated watertight washout container after a building concrete delivery. Work stays at ground level using the truck’s permitted rinse and chute arrangements; collected washwater remains contained for the site’s approved handling route. This fictional learning example describes planned controls; it records no actual inspection or work authorization.
- The site provides a released standing area, separated access and a container suitable for anticipated washwater and residue.
- Truck/chute deployment, rinse equipment and travel configuration follow this vehicle’s instructions.
- This is partial coverage of concrete cleanup and truck operations. Drum entry, pump-line cleaning, hardened-concrete breaking, treatment and discharge to drains or soil are excluded.
Know when to pause
- Container leaks, capacity is inadequate or rainfall changes overflow risk.
- Ground-level access, chute locks or the separated vehicle route is lost.
- Splash exposure, contaminated PPE or an uncontrolled waste/discharge route develops.
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
What brings you here today? Choose what you’re working on, or tell Jenkins about your situation.
Jenkins matches your words to published starting points. Keep names and private job details in your working draft. Suitable free resources come first.
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
- Where is the released washout position and how will vehicle movement remain separated from people?
- Who verifies container integrity, available capacity and the route for collected material?
- Can the driver rinse every included chute from the planned safe position without climbing or reaching into moving equipment?
Training and qualifications to confirm
- Vehicle-specific chute deployment, rinse equipment, securing and ground-level access instruction for the driver.
- Instruction in washout containment, alkaline splash protection, spill reporting and the site’s waste handover arrangements.
Confirm the actual training evidence for the assigned people. A toolbox talk does not establish competence.
Decisions that change the plan
Can clean-looking rinse water go into the nearest drain?
No such discharge is included here. Cementitious washwater remains in the designated containment and follows the site’s authorized handling arrangements; clear appearance does not establish an acceptable disposal route.
What must the crew record for actual use?
Record the washout location, truck/rinse arrangement, container condition and available capacity, vehicle boundary, actual exposure or spill findings, responsible site contact and collected-material handover. Obtain site-specific waste requirements rather than treating this example as a discharge permit.
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.
Mobile Equipment: Separate People from Movement →Wet Concrete: Prevent Skin and Eye Contact →Housekeeping Is a Control →
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 washout location
Hazard: An unsuitable standing area or overflow can expose workers and contaminate surrounding ground or drains.
Control: Site contact identifies the released truck position and suitable watertight container. Check integrity, available capacity and weather-related overflow risk; hold washout when a proper facility or material-handling route is unavailable.
Verification: Contact and driver study the container and approach before the truck enters.
Why this belongs in the analysis: A convenient empty patch of ground is not a washout facility.
2. Position and establish separation
Hazard: Truck movement can strike pedestrians or crush a person against the container.
Control: Keep the approach and positioning zone clear using agreed driver-guide signals where needed. Driver parks and secures the truck under its instructions; maintain protected pedestrian routes and space outside chute swing and wheel paths.
Verification: Movement lead checks the boundary; driver confirms the stationary condition before deployment.
Why this belongs in the analysis: The washout area combines vehicle movement with a fixed receiving object.
3. Deploy the permitted rinse arrangement
Hazard: Chute sections or hoses can swing, pinch hands or create awkward reaching positions.
Control: Driver follows the actual chute-locking and rinse instructions, arranging ground-level access and supported hose routing. Keep hands from closing joints and avoid climbing on the chute or container; pause if the planned reach is inadequate.
Verification: Driver checks chute security and access before water is enabled.
Why this belongs in the analysis: Ground-level work must remain ground-level throughout this bounded example.
4. Rinse into containment
Hazard: Alkaline washwater and concrete residue can burn skin or eyes; uncontrolled spray can reach other workers.
Control: Use the permitted rinse method directed into the container with nearby people outside the splash area. Select cement-resistant gloves, clothing and eye/face protection for the exposure; keep washing supplies accessible and remove contaminated protection promptly.
Verification: Driver monitors the stream and site contact checks splash separation and response supplies.
Why this belongs in the analysis: Containment protects the site while planned positions and PPE protect people.
5. Monitor and secure the collected material
Hazard: A leaking or overfilled container can spread wet residue; a hose on the ground can trip the next worker.
Control: Stop rinsing before capacity or containment is compromised and report leaks promptly. Maintain the site’s required reserve for weather and subsequent use; secure the waste area and hose routes without entering the container or treating washwater on site.
Verification: Contact records actual capacity or leak findings and arranges the next collection action.
Why this belongs in the analysis: Washout planning continues after the driver finishes rinsing.
6. Secure the truck and hand over
Hazard: Unsecured chutes can swing during departure; an unreported full container can expose the next delivery.
Control: Driver shuts down rinse equipment and secures all chutes and hoses in the instructed travel configuration. Contact transfers container condition, restrictions and collection needs to the responsible site person before reopening vehicle access.
Verification: Driver checks travel security; site contact confirms the waste handover and exit route.
Why this belongs in the analysis: Vehicle closeout and containment closeout both need an accountable person.
Compare control wording
| Needs improvement | More useful for this scenario |
|---|---|
| Wash the chute somewhere out of the way. | Site contact releases a watertight container with suitable capacity and a separated truck position before rinsing begins. |
| Leave the washout for somebody else. | Contact records actual container condition and transfers collection needs and restrictions to the designated site person before the next delivery. |
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
- US EPA Concrete washout best management practice
- NRMCA Mixer truck safety and jobsite chute rinse-off
- OSHA 1926.21 Safety training and education
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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