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P&ID Safety Case Study Texas City Refinery Disaster. Narrated by Kevin Lin and Eric Gauthier. www.chron.com. www.chron.com. Texas City. Plant Background. 460,000 barrels/day 11 million gallons. 1800 employees. 1200 acres. Operation Unit.
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P&ID Safety Case StudyTexas City Refinery Disaster Narrated by Kevin Lin and Eric Gauthier www.chron.com www.chron.com
Texas City Plant Background 460,000 barrels/day 11 million gallons 1800 employees 1200 acres
Operation Unit http://www.bp.com/liveassets/bp_internet/us/bp_us_english/STAGING/local_assets/downloads/t/final_appendix_01_08.pdf Pg A-11
Operation Unit Raffinate Splitter http://www.bp.com/liveassets/bp_internet/us/bp_us_english/STAGING/local_assets/downloads/t/final_appendix_01_08.pdf Pg A-11
Operation Unit Relief Valves Raffinate Splitter http://www.bp.com/liveassets/bp_internet/us/bp_us_english/STAGING/local_assets/downloads/t/final_appendix_01_08.pdf Pg A-11
Operation Unit Stack Relief Valves Raffinate Splitter Blowdown Drum http://www.bp.com/liveassets/bp_internet/us/bp_us_english/STAGING/local_assets/downloads/t/final_appendix_01_08.pdf Pg A-11
www.economist.com Disaster Strikes • Isomerization Unit • Overflow of Distillation Tower • Overpressurization • Flooding with hydrocarbons • 15 workers killed • 180 injured www.wikipedia.org
What Went Wrong? Stack Relief Valves Raffinate Splitter Blowdown Drum http://www.bp.com/liveassets/bp_internet/us/bp_us_english/STAGING/local_assets/downloads/t/final_appendix_01_08.pdf Pg A-11
What Went Wrong? Stack Relief Valves Raffinate Splitter Blowdown Drum http://www.bp.com/liveassets/bp_internet/us/bp_us_english/STAGING/local_assets/downloads/t/final_appendix_01_08.pdf Pg A-11
What Went Wrong? Stack Relief Valves Raffinate Splitter Blowdown Drum http://www.bp.com/liveassets/bp_internet/us/bp_us_english/STAGING/local_assets/downloads/t/final_appendix_01_08.pdf Pg A-11
What Went Wrong? Stack Relief Valves 5x9000 gallon tanker trucks Raffinate Splitter Blowdown Drum http://www.bp.com/liveassets/bp_internet/us/bp_us_english/STAGING/local_assets/downloads/t/final_appendix_01_08.pdf Pg A-11
What Went Wrong? Stack Relief Valves Raffinate Splitter Blowdown Drum http://www.bp.com/liveassets/bp_internet/us/bp_us_english/STAGING/local_assets/downloads/t/final_appendix_01_08.pdf Pg A-11
Prevention Measures—Engineering • Improve Process Control • Automated emergency shutdown system • Location of Relief Valve • Top of tower for greater control of vaporization • Blowdown/Stack Flare Relief System
Prevention Measures—Human Control • Positive Work Enviroment • Management Enforcement Of: • Process safety • Operations performance • Systematic risk reduction • Training
Remember, YOU are responsible for maintaining a safe workplace!!