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D.D. Williamson & Co. Catastrophic Vessel Failure
FINAL REPORT: Final Investigation Report
Location: Louisville, KY
Accident Occurred On: 04/11/2003
Final Report Released On: 03/12/2004
Accident Type: Release
Company Name: D.D. Williamson and Co.

statistics

Total # of Recommendations
10
Total # of Open Recommendations
0
Total # of Closed Recommendations
10
Total % of Open 0 vs. Closed 100

investigation information

Image
Accident Description
On the morning of April 11, 2003, one worker was killed at the D.D. Williamson food additive plant in Louisville, Kentucky, when a process vessel became overpressurized and failed catastrophically. The failure caused a release of aqueous ammonia as well as extensive damage to the plant, which manufactures caramel coloring.
Investigation Status
The Board voted 4-0 to approve the final investigation report on March 12, 2004, at a public meeting in Louisville.


 

Recommendations

Commonwealth of Kentucky
2003-11-I-KY-7

Communicate to the owners of pressure vessels, mechanical contractors, engineering consulting companies, and insurance companies doing business in Kentucky that used pressure vessels are not exempt from registration and initial inspection before being placed in service in Kentucky.

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.
 

D.D. Williamson and Co., Inc.
2003-11-I-KY-1

Institute procedures to ensure that pressure vessels are designed, fabricated, and operated according to applicable codes and standards.

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.
 

2003-11-I-KY-2

Audit all vessels at all D. D. Williamson facilities and ensure that they are: Equipped with adequate overpressure protection, as warranted. Equipped with alarms or interlocks, as warranted.

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.
 

2003-11-I-KY-3

Implement a program to review existing equipment when it is used for new purposes and when safety devices are removed or altered.

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.
 

2003-11-I-KY-4

Implement a hazard evaluation procedure to determine the potential for catastrophic incidents and necessary safeguards.

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.
 

2003-11-I-KY-5

Audit manual control of process conditions, such as temperature and pressure, and determine if safeguards are needed.

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.
 

2003-11-I-KY-6

Upgrade written operating procedures and train operators on the revised procedures.

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.
 

Mechanical Contractors Association of Kentucky
2003-11-I-KY-8

Communicate to your members that used pressure vessels are not exempt from registration and initial inspection before being placed in service in Kentucky.

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.
 

National Board of Boiler and Pressure Vessel Inspectors
2003-11-I-KY-10

Communicate the findings of this report to your membership.

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.
 

Risk and Insurance Management Society (RIMS)
2003-11-I-KY-9

Communicate the findings of this report to your membership.

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.
 

 
 

Related News

DSCN0417
Board Approves Final Report on Last Year's Explosion at D.D. Williamson & Co., Citing Improper Installation, Lack of Emergency Relief Valves, Damage History of Caramel Processing Vessel
3/12/2004
Louisville, KY, March 12, 2004 - In a final report approved today, the U.S. Chemical Safety and Hazard Investigation Board (CSB) said the April 11, 2003, explosion and resulting ammonia release at the D.D. Williamson & Co. plant in Louisville were caused by over-pressurization of an eight-foot-tall food additive processing tank. The CSB said the accident could have been prevented had the company installed an emergency pressure relief valve on the tank. The CSB also noted that the tank that exploded had a history of prior damage.
read more
DSCN0433
CSB to Present Final Report on D.D. Williamson Explosion at Public Meeting in Louisville, Kentucky, Friday March 12, 2004
2/26/2004
(Washington, DC - February 26, 2004) The U.S. Chemical Safety and Hazard Investigation Board (CSB) has scheduled a public meeting in Louisville, KY, on Friday, March 12, to present the final report into the cause of last yearÂ?s explosion and ammonia release at the D.D. Williamson & Co. plant.
read more
DSCN0442
CSB Sending Investigation Team To Explosion Site In Louisville, KY
4/11/2003
(Washington, DC, April 11, 2003) The U.S. Chemical Safety and Hazard Investigation Board is deploying a team of investigators to conduct a preliminary inquiry into the explosion and ammonia gas release at the D.D. Williamson & Co. food additive manufacturing plant in Louisville, KY.
read more
 
 
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