Hazardous Area Verification

Updated: over a week ago

Hazardous Area Verification

General Information

1. Is a Hazardous Area Verification dossier being maintained?


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2. Is the dossier available on site?


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3. When was the last classification completed?


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4. Are the standards written in the dossier still applicable as of today?


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5. Have there been amendments to the guidelines?


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6. Has the dossier been modified to reflect these changes?


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7. Does the dossier include a cover sheet?


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8. Does the dossier include the purpose and function?


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9. Does the dossier include classification principles and methods?


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10. Does the dossier include dust characteristics of materials handled at the facility?


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11. Does the dossier include all dust types handled onsite?


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Data Required

1. What is the minimum Dust Layer Ignition Temperature (Degrees Celsius)?


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2. What is the Minimum Dust Cloud Ignition Temperature (Degrees Celsius)?


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3. What is the Temperature Class (T-Rating)?


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4. What is the Minimum Dust Cloud Ignition Energy (mJ)?


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5. What is the Combustibility Rating (BZ)?


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6. Is the dust conductive or non-conductive?


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7. What is the Explosion Rating (St)?


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8. Is all the required info about Dust Characteristics included in the dossier?


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9. Are classification report sheets available?


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10. Are the results of the report sheets defined correctly?


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11. Do all areas have classification report sheets?


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Requirements Of Report Sheets

1. Who performed the classification?


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2. Please enter the site address, installation name, location description


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3. Is the area defined?


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4. What is the source of release?


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5. Enclosure or room confinement


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6. Is dust layer present at the time of classification?


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7. Is housekeeping evident during classification?


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8. Zone classification of area


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9. What is the extent of the zone?


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10. Dust layer identification completed?


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11. Additional Comments/Details


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12. Does the classification report include all its requirements?


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13. Have any classification drawings been included or linked in the dossier?


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14. Do the drawings include equipment location by number?


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15. Do the drawings include temperature ratings of areas?


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16. Do the drawings include areas identified by zone hatching as per the relevant clauses?


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17. Is all equipment used identified in the dossier?


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Required Equipment Information

1. Manufacturer’s part number?


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2. Certificate numbers available?


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3. Have risk assessments been completed for non-compliant equipment?


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4. Have risk assessments been attached or linked?


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5. Have all certificates been included or linked in the dossier?


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6. What is the certificate number?


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7. What is the date of expiry?


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8. What is the location of the equipment?


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9. A brief description of the equipment?


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10. Does the dossier include an intrinsic system?


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11. If yes, are all intrinsic systems recorded?


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12. Has there been any maintenance of the equipment?


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13. If yes, have records been updated to reflect the maintenance work?


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14. When was the last maintenance carried out?


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15. Have there been any audits or inspections?


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16. Have records been included to reflect the audits?


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17. When was the last inspection carried out?


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18. Have circuits been identified and mapped correctly?


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19. Have there been changes to circuits or any new circuits since the last inspection?


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20. What is the electrical licence number?


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Checklist by GoAudits.com – Please note that this checklist is intended as an example. We do not guarantee compliance with the laws applicable to your territory or industry. You should seek professional advice to determine how this checklist should be adapted to your workplace or jurisdiction.

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