1
Set the scene
Start with context
Fill the frame
2–3 ft for close-ups; keep ladders, cords and workers fully in view.
OSHA Compliance Guide
Heat Exposure Prevention
Support water, rest, shade, and response planning.
Use preliminary visual checks for visible heat-prevention provisions, then confirm conditions, work-rest decisions, and worker health through a qualified site process.
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Try it on a heat exposure & stress photo
OSHA Scan may flag visible concerns. A photo cannot measure temperature, humidity, heat index, workload, acclimatization, hydration, or illness.
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Use the real site or facility name. If you save the scan after signup, it becomes the report name.
Three angles, one deeper scan
Only the wide shot is required — every extra angle gives the AI more places to look.
Required: Set the scene — one wide shot lets the AI sweep the whole area at once
Stand at the entry point and capture corner to corner: floors, ladders, scaffolds, and everyone at work
or choose from your library
Drop a job-site photo or walkthrough video
Click to upload, drag & drop, or snap a photo on site. Photos scan free in about 15 seconds — no signup, no card. Video walkthroughs (up to 3 min) run on a free account.
Results in ~15sReferences relevant OSHA standardsPrivate - deleted in 48h unless you save it
Accuracy boosters
Small habits, sharper scans
2
Capture clearly
Make the frame usable
Light it right
Keep the sun or lights behind you — glare and shadows hide hazards.
Tap to focus
Tap the hazard on screen and hold still one second — blur can't be flagged.
3
Choose the useful view
Give the AI room to understand
Go landscape
Turn your phone sideways — a wider frame catches more of the scene.
No job-site photo handy?
or scan with video
Only upload photos you have permission to use, and avoid images showing personal, customer, or confidential information. Demo photos and results are held privately for up to 48 hours so you can save them to a free account; unclaimed photos are deleted automatically. Results are an AI-assisted preliminary review, not an official OSHA determination.
What the AI can and can't detect
OSHA Scan reads a single photo. That makes it fast and easy for anyone on site — but it also means it has real limits. Here's an honest look at both.
What it can catch from a photo
- Missing or incorrect PPE that is visible in the frame
- Unprotected edges, open holes, and visible fall hazards
- Housekeeping, trip, and blocked walkway or exit hazards
- Visible electrical, struck-by, and equipment-guarding hazards
What a photo can't tell it
- Hazards hidden from view or anything outside the photo
- Exact heights, distances, weights, or measurements
- Training records, procedures, or how equipment is actually used
- Full legal compliance or an official OSHA pass/fail determination
A photo cannot measure temperature, humidity, heat index, workload, acclimatization, hydration, or illness. It may show visible preparation cues only; OSHA Scan is not a medical, physiological, or environmental heat assessment.
Important Limitation: A photo cannot measure temperature, humidity, heat index, workload, acclimatization, hydration, or illness. It may show visible preparation cues only; OSHA Scan is not a medical, physiological, or environmental heat assessment.
Quick Answer
Heat-illness prevention combines hazard recognition, water, rest, shade or cooling, work planning, acclimatization, supervision, training, and prompt response. Federal OSHA's heat-specific rule remains proposed, not final, as of this review.
Reference: OSH Act Section 5(a)(1); OSHA heat rulemaking
Understanding Heat Stress Hazards
Heat illness risk can occur indoors or outdoors and is affected by temperature, humidity, sun or radiant heat, physical work, clothing, and whether a worker is acclimatized. Controls must reflect the actual workday and workforce, not only what a photo shows.
OSHA's federal heat-specific rulemaking page describes an August 30, 2024 notice of proposed rulemaking; it is not a final federal heat-specific standard. Use current OSHA guidance, the General Duty Clause, related standards, and the applicable state-plan requirements.
Water
Provide accessible hydration
Rest
Plan recovery and cooling
Shade
Provide a cool recovery area
General Duty
Current federal enforcement framework
Paused
Spotting Visible Heat-Preparation Cues
The reviewed scene shows a worker pausing in a hot outdoor scene. Visual review can prompt a check of water, shade, work planning, and supervision; it cannot detect temperature or illness.
1
Water and shade cues
Note whether visible hydration or shaded recovery provisions appear available near active work; confirm access and sufficiency in person.
2
Sun-exposed work
Flag direct-sun work, heavy clothing, or strenuous tasks as prompts to review heat controls, not as proof of heat stress.
3
New-worker planning
Use the image to trigger a check of acclimatization and supervisor coverage for new or returning workers.
4
Response readiness
Check the written response process, communication, and trained personnel; a photo cannot identify symptoms or medical urgency.
Preventing Heat Illness
The reviewed scene represents an active, sun-exposed worksite and supports a water, rest, and shade workflow. Controls must be selected from actual conditions and applicable jurisdiction.
Water, rest, shade
Make cool water, recovery breaks, and shade or cooling accessible at the worksite.
Acclimatization
Plan a gradual workload and close supervision for new, returning, or otherwise unacclimatized workers.
Engineering and schedules
Use airflow, cooling, task rotation, earlier scheduling, and other controls suited to the exposure.
Buddy and response system
Train supervisors and workers to notice, report, and respond to symptoms; do not rely on a visual model to diagnose illness.
Paused
Heat Safety Training
Train workers and supervisors on the site's current heat plan, controls, acclimatization, symptoms, communication, and emergency response.
- Recognize and report signs and symptoms of heat-related illness
- Use water, rest, shade, cooling, work-rest, and buddy-system procedures
- Understand acclimatization and the added risk for new or returning workers
- Follow site emergency procedures and obtain prompt medical help when needed
Documenting Heat Prevention
Keep the plan version, hazard assessment, weather or heat-index source and time, work-rest decisions, acclimatization steps, control checks, training attendance, supervisor observations, incidents, and corrective close-out. Attach a dated photo only as evidence of a visible setup.
Do not use a photo to claim a safe temperature, adequate hydration, or absence of illness. Record and verify the measurements, worker condition, and response process separately.
Photo-based reviews support documentation. Your responsible program owner must arrange on-site verification by people with the qualifications and designated roles required for the task.
OSHA Requirements & Safety Guidance
Review the cited requirements, proposals, and educational guidance separately. State plans may have additional or different requirements.
OSH Act §5(a)(1)
General Duty Clause
Current federal framework for recognized hazards likely to cause death or serious physical harm; it is not a heat-specific standard.
OSHA rulemaking · proposed
Heat Injury and Illness Prevention rulemaking
OSHA's proposed rule is not a final federal heat-specific regulation as of 2026-09-11; the NPRM was published August 30, 2024.
OSHA guidance
Heat prevention
Educational guidance on water, rest, shade, controls, supervision, and training; verify applicable state-plan requirements.
OSHA · 2026
Heat exposure QuickCard
Current educational QuickCard on heat-illness risks and visible prevention steps; it does not create a new federal standard.
State plans
Check state-plan requirements
State-plan jurisdictions may impose additional or different heat requirements; confirm the applicable agency and work setting.
Frequently Asked Questions
Q.Is there a final federal OSHA heat standard?
A.No final federal heat-specific standard was identified on OSHA's rulemaking page as of September 11, 2026. OSHA describes an NPRM and continues to provide guidance; the General Duty Clause, related standards, and state-plan requirements still need review.
Q.Can a photo tell if a worker is overheated?
A.No. A photo cannot determine temperature, heat index, physiological state, hydration, acclimatization, or illness. It can only prompt a review of visible provisions and the written response process.
Q.What should a heat plan document?
A.Document site hazards and conditions, controls, water/rest/shade, acclimatization, supervision, training, communication, and emergency response, with jurisdiction-specific requirements and dated verification.
Related Safety Resources
About the Author
Reviewed by OSHA Scan Editorial
Last updated September 11, 2026
This content is produced by the OSHA Scan Editorial team and reviewed with AI assistance. It is general safety information, not legal or compliance advice. OSHA Scan is an independent tool and is not affiliated with, endorsed by, or certified by OSHA or the U.S. Department of Labor.
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