JHA / JSA / AHA builderStorm Drain Installation JHA Example
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 Storm Drain Installation JHA Example
Walk through the job in order. Use these possible hazards, planned controls and checks to start a conversation about your actual work.
01Confirm the drainage boundary and utility route
Possible hazards: Unexpected runoff or a damaged service floods the work area while workers are below grade.
Planned controls: The supervisor coordinates utility locating and verifies the drainage connections with the responsible owner. Establish a suitable flow-control or dry-work arrangement and weather response; do not rely on an unattended pump as the only protection.
Check before work: Trace where water can arrive from, identify unresolved connections and record the person responsible for monitoring changes.
02Receive and stage pipe and precast components
Possible hazards: A pipe rolls, a stacked component shifts, or a person is caught during unloading.
Planned controls: The receiving lead arranges stable support and restraint compatible with the components. Separate pedestrians from unloading, use the planned handling equipment and preserve a clear route to each lifting point.
Check before work: Verify the delivered item and weight match the plan; check restraints and ground support before releasing transport securing devices.
03Excavate and establish the protected work zone
Possible hazards: Cave-in, water accumulation or unstable adjacent ground exposes workers installing bedding and joints.
Planned controls: The excavation competent person evaluates conditions and checks the selected protective system against its design or tabulated data. Arrange protected access and required egress; keep workers out of unsafe ground and suspended-load paths.
Check before work: Check the actual depth, system arrangement, access and added loads from stored pipe and lifting equipment before worker exposure.
04Remove old sections and lower new components
Possible hazards: A lifted piece falls or swings; a worker is trapped between the component and trench protection.
Planned controls: The lifting lead verifies weights, approved lifting points, rigging and equipment suitability. Inspect rigging and remove defective gear. For this teaching scenario, clear personnel from the receiving area during lowering and use the agreed signal system.
Check before work: Confirm capacity for the actual configuration and load path, positive control of access, and a stable landing location.
05Join pipe and complete external sealing
Possible hazards: Movement at the joint traps fingers; awkward handling strains workers; wet mortar contacts skin or eyes.
Planned controls: The foreman permits approach only after the component is stable. Use suitable alignment tools and planned handling aids, keeping hands out of the closing joint. For mortar, provide the assessed skin and eye protection and washing arrangements.
Check before work: Verify bedding support, stable pipe position and room to work within protection; confirm no one must enter the pipe or chamber.
06Backfill, secure openings and hand over
Possible hazards: Compaction plant strikes a worker, protection is removed too early, or someone enters an unsecured new chamber.
Planned controls: The supervisor coordinates backfill and system removal, separates workers from plant, and installs the planned opening protection. Restore drainage only through the agreed process after affected workers and equipment are clear.
Check before work: Inspect the work boundary, covers or barriers, remaining openings and drainage status; communicate unresolved items to the next crew.
Example scope and starting conditions
A fictional crew plans to replace a storm-drain run and set a precast inlet in a closed construction area. The network can receive runoff from beyond the work boundary. An excavator will prepare the trench and lower compatible pipe sections; a separately assessed lifting arrangement will handle the inlet. Workers join pipe from protected trench positions. This example excludes pipe or chamber entry, live-flow work and contaminated-water remediation. It adds drainage isolation, rolling materials and lifting interfaces to excavation planning.
- Identify upstream catchments, connected drains, weather triggers and the person controlling diversion or isolation. Local clear weather does not rule out incoming water.
- Define component weights, lifting points, bedding, trench protection and equipment capacity for the planned position.
- Plan utility verification, delivery access, component storage and protected access for joints and grade checks.
- Keep entries into pipes and completed chambers outside this example; evaluate any proposed entry separately under the applicable construction requirements.
Know when to pause
- Withdraw from affected below-grade work for rising water, an unexpected connection, upstream flow change or a weather trigger; reassess the drainage and excavation arrangements.
- Re-plan when the delivered component, weight, lifting attachment or excavation dimensions differ from the assessed arrangement.
- Stop a proposed entry into a chamber or pipe. Evaluate the space and establish the applicable entry process before anyone crosses the opening.
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.
Decisions that change the plan
Rain starts uphill while the trench remains dry. What changes?
Apply the agreed weather trigger and evaluate upstream inflow before exposure continues; do not wait for water to reach the workers.
A worker must climb inside the inlet to finish sealing. Is that covered?
No. Stop and evaluate the proposed entry separately, including classification, controls and any required permit and rescue arrangements.
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.
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Safety program resources
Review procedures, roles, and requirements.
Browse the existing catalog and confirm the scope and purchase availability of each program.
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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
Confirm the drainage boundary and utility route
Hazard: Unexpected runoff or a damaged service floods the work area while workers are below grade.
Control: The supervisor coordinates utility locating and verifies the drainage connections with the responsible owner. Establish a suitable flow-control or dry-work arrangement and weather response; do not rely on an unattended pump as the only protection.
Verification: Trace where water can arrive from, identify unresolved connections and record the person responsible for monitoring changes.
Why this belongs in the analysis: Connected storm drains expose the crew to conditions beyond the immediate trench.
Receive and stage pipe and precast components
Hazard: A pipe rolls, a stacked component shifts, or a person is caught during unloading.
Control: The receiving lead arranges stable support and restraint compatible with the components. Separate pedestrians from unloading, use the planned handling equipment and preserve a clear route to each lifting point.
Verification: Verify the delivered item and weight match the plan; check restraints and ground support before releasing transport securing devices.
Why this belongs in the analysis: Storage is part of the JHA because a round pipe remains capable of movement after the delivery vehicle leaves.
Excavate and establish the protected work zone
Hazard: Cave-in, water accumulation or unstable adjacent ground exposes workers installing bedding and joints.
Control: The excavation competent person evaluates conditions and checks the selected protective system against its design or tabulated data. Arrange protected access and required egress; keep workers out of unsafe ground and suspended-load paths.
Verification: Check the actual depth, system arrangement, access and added loads from stored pipe and lifting equipment before worker exposure.
Why this belongs in the analysis: A box selected for the pipe run may not protect the larger excavation needed for an inlet.
Remove old sections and lower new components
Hazard: A lifted piece falls or swings; a worker is trapped between the component and trench protection.
Control: The lifting lead verifies weights, approved lifting points, rigging and equipment suitability. Inspect rigging and remove defective gear. For this teaching scenario, clear personnel from the receiving area during lowering and use the agreed signal system.
Verification: Confirm capacity for the actual configuration and load path, positive control of access, and a stable landing location.
Why this belongs in the analysis: Eye contact with the operator does not protect someone standing beneath or beside an uncontrolled load.
Join pipe and complete external sealing
Hazard: Movement at the joint traps fingers; awkward handling strains workers; wet mortar contacts skin or eyes.
Control: The foreman permits approach only after the component is stable. Use suitable alignment tools and planned handling aids, keeping hands out of the closing joint. For mortar, provide the assessed skin and eye protection and washing arrangements.
Verification: Verify bedding support, stable pipe position and room to work within protection; confirm no one must enter the pipe or chamber.
Why this belongs in the analysis: The task changes from lifting to close-contact fitting, so the line-of-fire decision must change too.
Backfill, secure openings and hand over
Hazard: Compaction plant strikes a worker, protection is removed too early, or someone enters an unsecured new chamber.
Control: The supervisor coordinates backfill and system removal, separates workers from plant, and installs the planned opening protection. Restore drainage only through the agreed process after affected workers and equipment are clear.
Verification: Inspect the work boundary, covers or barriers, remaining openings and drainage status; communicate unresolved items to the next crew.
Why this belongs in the analysis: A completed inlet becomes a new access and confined-space management issue, not merely a finished concrete component.
Compare control wording
| Needs improvement | More useful for this scenario |
|---|---|
| Storm drain is dry, so entry is safe. | Identify connected flows and atmospheric or other entry hazards; this example authorizes no pipe or chamber entry. |
| Use a trench box and keep hands clear. | Verify protection at the actual joint location, stabilize the pipe, select an alignment method and identify where hands and bodies stay during movement. |
Common questions
Is storm-drain installation just an excavation JHA?
No. Excavation controls remain essential, but connected runoff, pipe restraint, precast lifting, joint movement and the creation of enclosed spaces add distinct decisions.
Does Subpart AA apply to every open trench?
Its scope excludes construction work regulated by excavation Subpart P. A separate pipe, manhole or chamber can require confined-space evaluation; do not label everything below grade the same way.
Can I reuse the example's risk rating?
No site rating is assigned here. Evaluate actual conditions and verified controls using the project's method; a historical score is not transferable evidence.
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 1926.651 — Excavation water, utilities, access and inspection
- OSHA 1926.652 — Protective-system selection and use
- OSHA 1926.251 — Rigging inspection and capacity
- OSHA 1926.250 — Materials storage
- OSHA 1926.1201 — Construction confined-space scope
- OSHA 1926.1203 — Confined-space evaluation
This original walkthrough was informed by review of uploaded examples, then rewritten for the stated fictional scenario using current primary references. It does not reproduce a source document or its approval record. Use actual equipment instructions and site requirements alongside these references. Reference review: October 6, 2026.
Developed by Todd Jerome Jenkins, MS, CSP · Edition v1.0 · October 6, 2026
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