Hazard Assessment Risk Factor What Mitigation technique: Question: response is needed to get Mitigation Tech Any suspended dust in air? Yes Control accumulation and apply Where? housekeeping. SEE NFPA 664 or 654 OSHA 1910.22 WAC 296-800-22005 (Sawmill 296-78-71019) (296-62-100 Equipment electrically No Test & Ground all electrical equipment as grounded? needed. SEE NFPA 664 or 654 (WAC 296-78-71019) Any energized damaged Yes Repair or Replace. electrical conduits? Any exposed wiring that Yes Repair and Upgrade to electrical code. short, or cause a spark? Is HOT WORK controlled by No Implement written program-Formulate procedures-Acquire equipment & Train a permit system? employees. WAC 296-24-695 Are there any ENCLOSURES Yes Review NFPA 68, 69, 664, 654 depending on dust type. Housekeeping WAC where combustible dust is present? Are there ANY IGNITION Yes SEE NFPA 664 for methods of preventing SOURCES that can ignition source transmission possibly reach the inside of a process enclosure? to today, was there a Yes Implement controls specified under NFPA deflagration or explosion 664 and housekeeping. WAC event involving combustible dust? Do you have engineering No Engineering should be used to control an explosion and to collect dust. They must be controls in place for on a periodic maintenance and testing combustible dust? schedule. Do you have administrative No Perform a dust accumulation rate controls in place for assessment and set up a house keeping plan combustible dust? to control the dust according to NFPA code 664 or 654. Housekeeping WAC
Hazard Assessment Risk Factor Question: What response is needed to get Mitigation Tech Mitigation technique: Any suspended dust in air? Where? Yes Control accumulation and apply housekeeping. SEE NFPA 664 or 654 OSHA 1910.22 WAC 296-800-22005 (Sawmill 296-78-71019) (296-62-100 Equipment electrically grounded? No Test & Ground all electrical equipment as needed. SEE NFPA 664 or 654 (WAC 296-78-71019) Any energized damaged electrical conduits? Yes Repair or Replace. Any exposed wiring that short, or cause a spark? Yes Repair and Upgrade to electrical code. Is HOT WORK controlled by a permit system? No Implement written program-Formulate procedures-Acquire equipment & Train employees. WAC 296-24-695 Are there any ENCLOSURES where combustible dust is present? Yes Review NFPA 68, 69, 664, 654 depending on dust type. Housekeeping WAC Are there ANY IGNITION SOURCES that can possibly reach the inside of a process enclosure? Yes SEE NFPA 664 for methods of preventing ignition source transmission to today, was there a deflagration or explosion event involving combustible dust? Yes Implement controls specified under NFPA 664 and housekeeping. WAC Do you have engineering controls in place for combustible dust? No Engineering should be used to control an explosion and to collect dust. They must be on a periodic maintenance and testing schedule. Do you have administrative controls in place for combustible dust? No Perform a dust accumulation rate assessment and set up a house keeping plan to control the dust according to NFPA code 664 or 654. Housekeeping WAC
ComDustAppQA-InspectionChecklist.docx