What this is
What is a machine guarding inspection?
What is a machine guarding inspection?
An examination of guarding on a machine covering fixed guards and their fixings, interlocked guards and their function, control devices, and whether guarding remains effective during the non-routine tasks people actually perform.
Why focus on defeat rather than absence?
Because a missing guard is visible and gets fixed. A guard defeated during jam clearance, changeover or cleaning is present at every inspection and absent whenever the task occurs, which is the condition under which most machinery injuries happen.
Scope
When is a machine guarding inspection required?
This inspects installed guarding. Design assessment and energy control are separate.
Use this template when
- Routine inspection of guarding on machinery in use
- After maintenance, modification or any work requiring guard removal
- Following an incident, near miss or observed reach past guarding
- Introduction of new or relocated machinery, and after changes to product or process
- Verification that interlocks function as intended rather than merely appearing intact
Do not use it for
- Machine risk assessment, which assesses the machine across its lifecycle and determines what guarding is needed
- Energy control procedures, which cover isolation for servicing
- Safety function validation, which tests control system performance against a designed level
- Pre-use checks by operators, which are shorter and more frequent
- Modification and conformity assessment, which applies where guarding is altered
Compliance mapping
Which OSHA 1910 Subpart O requirements does this satisfy?
Machine guarding is prescriptively regulated and consistently among the most cited areas in enforcement.
| Clause | Requirement | Where it lands |
|---|---|---|
| 29 CFR 1910.212(a)(1) | One or more methods of guarding to protect from hazards including point of operation, nip points and rotating parts | Fixed guarding |
| 29 CFR 1910.212(a)(3) | Point of operation guarding preventing any part of the body being in the danger zone during the operating cycle | Fixed guarding |
| 29 CFR 1910.212(a)(5) | Fan blades guarded where the periphery is less than seven feet above the floor | Fixed guarding |
| 29 CFR 1910.219 | Mechanical power transmission apparatus guarding requirements | Fixed guarding |
| 29 CFR 1910.147 | Energy control during servicing, including where guards are removed | Non routine tasks |
| ISO 14119 | Interlocking devices associated with guards, including measures against defeat | Interlocks and controls |
| ISO 13849 | Performance level for safety-related control system parts, including interlock circuits | Interlocks and controls |
| CSA Z432 | Safeguarding of machinery, the Canadian standard aligned with the ISO approach | Header |
What it does not cover
- Machine risk assessment, which determines what guarding is required across the lifecycle.
- Energy control procedures, specifying isolation for servicing and maintenance.
- Safety function validation, testing interlock and control system performance against the designed level.
- Operator pre-use checks, which are shorter, more frequent and differently scoped.
- Conformity assessment, which applies where guarding has been modified.
How to complete it
How to complete a machine guarding inspection, step by step
Look for defeat, test interlocks rather than observing them, and treat routine removal as a design finding.
Wear at a gap, polished edges where hands pass, tape residue on an interlock, missing fasteners on a panel, an unofficial tool nearby, a spare actuator key. These are durable records of what happens between inspections and they are more informative than anything anyone will tell you during one.
Open the guard and confirm the machine stops or cannot start. An interlock that is bypassed, taped or actuated by a spare key looks identical to one that works. Where the design permits easy defeat with a common tool, that is itself a finding under ISO 14119.
The most productive question in a guarding inspection. The answer usually describes a task requiring access the guard prevents, and it identifies the specific circumstance under which the guarding is not in place. That is a design finding rather than a compliance one.
Guards removed for maintenance are a recurring source of subsequent injury, either because they are not refitted or because they are refitted incorrectly. Reinstatement should be verified before restart as a defined step rather than assumed from the work being complete.
What auditors find
Most common machine guarding inspection findings
Guarding findings concentrate on defeat and on the tasks that cause it.
| Finding | Clause | What fixes it |
|---|---|---|
| Interlock bypassed, taped or defeated with a spare actuator. | ISO 14119 | Address the task requiring access; defeat indicates the guard blocks necessary work. |
| Guard refitted with missing fasteners after maintenance. | 1910.212(a)(1) | Verify reinstatement before restart as a defined step. |
| Point of operation accessible during the operating cycle. | 1910.212(a)(3) | The most serious guarding failure and the most heavily cited subsection. |
| Guard removed routinely for jam clearance or changeover. | 1910.147 | Routine removal is a design finding; redesign access or provide a safe method. |
| Interlocks observed rather than tested. | ISO 13849 | Open the guard and confirm the machine stops; defeated interlocks look normal. |
| Power transmission components unguarded. | 1910.219 | Belts, chains, shafts and couplings have specific requirements frequently overlooked. |
| Guarding addresses contact but not ejection. | 1910.212(a)(1) | Flying chips and parts require containment as well as access prevention. |
| Improvised tool kept near the machine. | 1910.212(a)(1) | An unofficial implement indicates an undocumented task requiring access. |
| Guard modified locally without assessment. | CSA Z432 | Local modification changes the protection and may constitute a substantial modification. |
| Same defeat found repeatedly at the same machine. | 1910.212(a)(1) | Recurrence is conclusive that the task cannot be done with the guard in place. |
Case in point
Case in point: the polished gap
An inspector examining a packing machine found all guards present, all fasteners in place and all interlocks apparently intact. The machine had passed six consecutive quarterly inspections on the same basis.
On the fixed guard beside the infeed there was a gap of about eighty millimetres where the guard met the frame, and the painted edges of that gap were worn back to bare metal and polished smooth on both sides. Nothing about the guard was non-compliant on its own terms. The wear pattern recorded several thousand instances of a hand passing through it.
Asked what happened when a pack jammed at the infeed, the operator explained that reaching through was quicker than stopping the line, and that everyone did it.
The template
The template, field by field
The form exactly as it installs. Every field, option, score and conditional rule is editable, and the links to other templates come with it.
7 sections
- Reference
- SAF-027
- Archetype
- Inspection
- Record ID
- INSP-2026-000
- Scoring
- Percent with knockout items
- Direction
- High is good
- Singleton
- No
- Basis
- OSHA 1910 Subpart O, CSA Z432
- Links
- Links Asset; feeds Finding, work order
- Tags
- Inspection, Machine
- Sections
- 7
- Fields
- 54
- Follow up fields
- 11
- Repeating sections
- 1
- Links out
- 6
Header
13 fieldsInspection ID*
Auto sequence. Format INSP-2026-00000.
The record's own ID. Other templates point at this value.
Status*
Drives who this goes to next.
- Planned2 pts
- In progress2 pts
- Complete3 pts
- Deferred0 pts
- Open0 pts
- Closed3 pts
- Overdue0 pts
Date and Time*
Inspection Type*
Scheduled, unscheduled, follow up or post incident.
Site*
Site ID*
Format SITE-000.
Links to FDN-001 Site ID
Area*
The area within the site.
Exact Location
Drop a pin for anything hard to find.
Machine*
Asset ID*
Format AST-0000.
Links to FDN-002 Asset ID
Risk Assessment
Risk ID
Format RSK-2026-00000.
Links to FDN-012 Risk ID
Guards Match The Assessment
A guard that is present but not the one the risk assessment specified is a finding. So is a guard that can be reached around.
Fixed guarding
6 fieldsGuards Fitted As Specified*
- Pass2 pts
- Partial1 pt
- Fail0 pts
- N/Aexcluded from denominator
Fixings Secure And Complete*
- Pass2 pts
- Partial1 pt
- Fail0 pts
- N/Aexcluded from denominator
Requires A Tool To Remove*
- Pass2 pts
- Partial1 pt
- Fail0 pts
- N/Aexcluded from denominator
Reach Distances Adequate*
- Pass2 pts
- Partial1 pt
- Fail0 pts
- N/Aexcluded from denominator
Gaps Within Standard*
- Pass2 pts
- Partial1 pt
- Fail0 pts
- N/Aexcluded from denominator
No Damage Or Deformation*
- Pass2 pts
- Partial1 pt
- Fail0 pts
- N/Aexcluded from denominator
Interlocks and controls
6 fieldsInterlocks Function*
- Pass2 pts
- Partial1 pt
- Fail0 pts
- N/Aexcluded from denominator
Interlocks Not Defeated*
- Pass2 pts
- Partial1 pt
- Fail0 pts
- N/Aexcluded from denominator
Emergency Stops Function*
- Pass2 pts
- Partial1 pt
- Fail0 pts
- N/Aexcluded from denominator
Emergency Stops Reachable*
- Pass2 pts
- Partial1 pt
- Fail0 pts
- N/Aexcluded from denominator
Trip Devices Function*
- Pass2 pts
- Partial1 pt
- Fail0 pts
- N/Aexcluded from denominator
Two Hand Controls Function*
- Pass2 pts
- Partial1 pt
- Fail0 pts
- N/Aexcluded from denominator
Non routine tasks
6 fieldsCleaning Access Safe*
- Pass2 pts
- Partial1 pt
- Fail0 pts
- N/Aexcluded from denominator
Jam Clearing Access Safe*
- Pass2 pts
- Partial1 pt
- Fail0 pts
- N/Aexcluded from denominator
Setting Access Safe*
- Pass2 pts
- Partial1 pt
- Fail0 pts
- N/Aexcluded from denominator
Defeated Guard Found*
A defeated guard stops the machine immediately, whatever else this inspection scores.
- No2 pts
- Yes0 pts
Machine Stopped
Case ID
A defeated guard is reported as an incident, not just a finding.
Thread key
Observed deficiencies
Repeats7 fieldsResult*
- Pass3 pts
- Pass with conditions2 pts
- Fail0 pts
Severity
- Minor3 pts
- Moderate1 pt
- Serious0 pts
Element Tag
Groups deficiencies by hazard type across every template.
Deficiency Detail
Photo Evidence
Fixed On The Spot
Finding ID
Raise a finding record where this needs tracking to closure.
Links to FDN-015 Finding ID
Related records
1 fieldWork Order ID
The order raised to restore guarding.
Links to MNT-002 Work Order ID
Result
15 fieldsItems Assessed*
Excludes anything marked N/A.
Items Failed*
Score Percent*
Calculated on submission. High is good. N/A items leave the denominator.
Result Band*
- Pass3 pts
- Caution1 pt
- Fail0 pts
Completeness Percent*
How much of the template was actually answered. A high score on a half completed form is not a high score.
Findings Raised
Highest Severity Found
- Observation3 pts
- Minor2 pts
- Major0 pts
Action Required*
Raise the action record, then enter its reference here.
- No2 pts
- Yes0 pts
Priority
- High0 pts
- Medium1 pt
- Low3 pts
CAPA ID
Format CAPA-2026-00000.
Links to FDN-014 CAPA ID
Action Owner
Next Inspection Due
Notes
Inspected By*
Signature*
SAF-027 · record IDs look like INSP-2026-000 · Links Asset; feeds Finding, work order
Open in KnowellaRun it with agents
From a document you fill in to a programme that runs itself
The inspection examines guarding in place. What fails is looking for absence rather than defeat, and the jam nobody asked about.
Records defeat evidence rather than presence, tests interlocks as a required step, and flags repeat defeat at the same machine as a design finding.
Links guard removal during maintenance to a reinstatement verification before restart, rather than assuming it from job completion.
Connects guarding defeat to the tasks producing it, so jam clearance and changeover access become engineering work rather than repeated observations.
Covers the specific non-routine tasks where access is required, which generic machine training does not address.
This template lives in KnowSafe — safety and compliance. Incidents, hazards, permits, inspections and the critical controls behind them.
Meet KnowSafe→Glossary
Machine Guarding Inspection definitions and key terms
- Point of operation
- The area where the machine performs work on the material, and the location of the most severe guarding failures.
- Interlocked guard
- A guard connected to the control system so that opening it stops the hazardous motion or prevents it starting.
- Defeat
- Circumventing a guard or interlock, addressed explicitly in ISO 14119 which requires measures to minimise the possibility.
- Nip point
- Where two rotating parts, or a rotating part and a fixed surface, converge and can draw in a body part.
- Fixed guard
- A guard held in place permanently or by fasteners requiring a tool to remove.
- Power transmission apparatus
- Belts, chains, shafts, couplings and gears, with their own guarding requirements under 1910.219.
- Ejection hazard
- Risk from material or components thrown from a machine, requiring containment rather than access prevention.
- Reinstatement verification
- Confirmation that guards removed for maintenance were correctly refitted before the machine restarts.
FAQ
Frequently asked questions about machine guarding inspection
What should an inspection actually look for?+
Evidence of defeat rather than evidence of absence. Missing guards are visible and get fixed; guards defeated during jam clearance or changeover are present at every inspection. Look for worn paint at gaps, polished edges, tape residue on interlocks, missing fasteners, and unofficial tools kept near the machine.
How should interlocks be checked?+
By testing them: open the guard and confirm the machine stops or cannot start. Observation cannot distinguish a functioning interlock from one that is bypassed, taped or actuated by a spare key kept on the machine. Where the design allows easy defeat with a common tool, that is a finding in its own right under ISO 14119.
What is the most productive question to ask?+
What happens when it jams. The answer nearly always describes a task requiring access the guard prevents, performed frequently, under time pressure. That identifies the exact circumstance under which the machine is unguarded and reframes the finding from compliance to task design.
Why does guard reinstatement matter so much?+
Because guards removed for maintenance are a recurring source of subsequent injury, either not refitted or refitted with missing fasteners or misaligned. The person injured is usually not the person who removed it, and reinstatement is assumed from the work being complete rather than verified as a step before restart.
Is guarding still a major citation area?+
Yes. Machine guarding under 1910.212 was among OSHA's ten most frequently cited standards in fiscal year 2025 and has featured consistently for years. The subsections cited most often involve point of operation exposure, which is also where injuries are most severe.
Keep going
Related templates and programmes
Industries this is written for
Programmes this belongs to
Used together in Workplace Inspection
Audit Finding Record
Records a single audit finding with its evidence, clause reference and classification
Finding
Records a single deficiency picked up during an audit, inspection or check
General Workplace Inspection
A broad walk through of an area covering the common hazards
Housekeeping Inspection
Checks that walkways, work areas and storage are clear, clean and in order
PPE Compliance Inspection
Checks that the right protective equipment is available, in good condition and being worn
Electrical Safety Inspection
Checks panels, cords, outlets and portable equipment for damage and safe access
More in Safety Inspections
General Workplace Inspection
A broad walk through of an area covering the common hazards
Housekeeping Inspection
Checks that walkways, work areas and storage are clear, clean and in order
PPE Compliance Inspection
Checks that the right protective equipment is available, in good condition and being worn
Electrical Safety Inspection
Checks panels, cords, outlets and portable equipment for damage and safe access
Ladder Inspection
Checks each ladder for damage, missing feet, loose rungs and correct labelling
Fall Arrest Equipment Inspection
Checks harnesses, lanyards and connectors for wear, damage and expiry
Written and reviewed by
Siddarth Singh
Founder & Chief Executive Officer, Knowella
Certified Safety Professional and industrial and systems engineer with more than a decade inside food supply chain, freight and manufacturing operations. This page was written against the current text of the standards it cites, not against secondary summaries of them.
- Certified Safety Professional (CSP), Board of Certified Safety Professionals
- MBA, University of Chicago Booth School of Business
- MS and BS, The Ohio State University, Industrial and Systems Engineering
- Six Sigma Black Belt
Sources and last review. Reviewed 16 August 2026 against:
- 29 CFR 1910 Subpart O, machinery and machine guarding, particularly 1910.212 and 1910.219, OSHA
- OSHA Top 10 most frequently cited standards, fiscal year 2025
- ISO 14119, interlocking devices associated with guards, including defeat prevention
- ISO 13849-1, safety-related parts of control systems
- CSA Z432, safeguarding of machinery (Canada)
This page is general guidance, not legal advice. Confirm requirements with your jurisdiction’s regulator.