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E. I. DuPont De Nemours Co. Fatal Hotwork Explosion
FINAL REPORT: E.I. DuPont De Nemours Co.
Location: Buffalo, NY
Accident Occurred On: 11/09/2010
Final Report Released On: 04/19/2012
Accident Type: Hot Work - Explosion and Fire
Company Name: E. I. DuPont De Nemours Co.

statistics

Total # of Recommendations
4
Total # of Open Recommendations
0
Total # of Closed Recommendations
4
Total % of Open 0 vs. Closed 100

investigation information

Image
Accident Description
Two contractors were performing welding atop a 10,000 gallon slurry tank when hot sparks ignited flammable vapors inside the tank, causing an explosion that killed one contractor and seriously injured another.
Investigation Status
The CSB Board Members unanimously approved the final report 3-0 at a public meeting in Buffalo, NY, on April 19, 2012.


 

Recommendations

E. I. duPont de Nemours and Company
2011-01-I-NY-1

Develop and enforce corporate-directed policies and procedures which will require all DuPont facilities to audit their hot work permitting systems prior to initiating hot work to ensure that:

  • All potential explosion hazards associated with hot work activities are identified and mitigated
  • All relevant forms required for permits are completed in accordance with corporate policies and industry standards (including NFPA 326 and NFPA 51B)
  • Appropriate DuPont personnel officially approve hot work permits, by signature or equivalent, consistent with DuPont policies

 

Status: Closed - Acceptable Action
Closed - Acceptable Action (C - AA) - The recipient has completed action on the recommendation. The action taken meets the objectives envisioned by the Board.
 

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2011-01-I-NY-2

Revise corporate policies and procedures to require that all process piping, or similar connections to tanks or vessels be positively isolated, (using closed valves, blind flanges or pancake blanks) and the equipment appropriately vented before authorizing any hot work.

Status: Closed - Acceptable Action
Closed - Acceptable Action (C - AA) - The recipient has completed action on the recommendation. The action taken meets the objectives envisioned by the Board.
 

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2011-01-I-NY-3

Revise corporate policies and procedures to require that the atmosphere inside the container be monitored for flammable vapor prior to performing any welding, cutting, or grinding on the container surface.

Status: Closed - Acceptable Action
Closed - Acceptable Action (C - AA) - The recipient has completed action on the recommendation. The action taken meets the objectives envisioned by the Board.
 

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2011-01-I-NY-4

Revise corporate policies and procedures to require air monitoring for flammable vapor inside the container for the duration of the hot work consistent with industry standards (NFPA 326, NFPA 51B). Create a policy for determining criteria for requiring continuous or periodic testing for the duration of hot work.

Status: Closed - Acceptable Action
Closed - Acceptable Action (C - AA) - The recipient has completed action on the recommendation. The action taken meets the objectives envisioned by the Board.
 

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Related Video

Hot Work: Hidden Hazards
4/20/2012 1:00:00 PM
Safety video detailing 2010 hot work accident at DuPont Buffalo read more

Download QuickTime Video

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