Assignment - The Hub Oil LI.pdf

12/15/23, 8:39 AM Assignment - The Hub Oil LI - Graded: Attempt review https://eclass.srv.ualberta.ca/mod/quiz/review.php?attempt=14143507&cmid=7288202 1/35 Started on Tuesday, 14 November 2023, 10:54 AM State Finished Completed on Friday, 24 November 2023, 11:55 PM Time taken 10 days 13 hours Marks 47.54/64.00 Grade 74.27 out of 100.00

12/15/23, 8:39 AM Assignment - The Hub Oil LI - Graded: Attempt review https://eclass.srv.ualberta.ca/mod/quiz/review.php?attempt=14143507&cmid=7288202 2/35 Question 1 Correct Mark 6.00 out of 6.00 Imagine if you will, a refinery had a small fire, but not catastrophic like those that make the global headlines. A root cause analysis was done on this fire, of which one root from the "loss incident" through to the latent cause. You have been assigned to match the actual cause from the root to the category and sub-category as illustrated in this graphic: (Note: The "match" choices in the question for the intermediate causes are denoted as "First Intermediate" and "Second Intermediate" only to aid in your selection and scoring. There is no significance to the "First" or "Second" except as it relates to the automatic scoring function on eClass quizzes.)

12/15/23, 8:39 AM Assignment - The Hub Oil LI - Graded: Attempt review https://eclass.srv.ualberta.ca/mod/quiz/review.php?attempt=14143507&cmid=7288202 3/35 Petrol released from pump casing resulting in a petroleum fire  Pump casing corroded (failed)  Casing material was incompatible  Improper material was used  Pump design was incorrect  The refinery design program did not include a standard to design pumps for this process service.  Incident description (abbreviated) Immediate Cause: Sub-standard condition Intermediate Cause Intermediate Cause Basic Cause: Engr&Design – inadequate technical design Latent Cause - Inadequate Performance Standards: relates to RME#7 DC&SU Your answer is correct.

12/15/23, 8:39 AM Assignment - The Hub Oil LI - Graded: Attempt review https://eclass.srv.ualberta.ca/mod/quiz/review.php?attempt=14143507&cmid=7288202 4/35 The correct answer is: Petrol released from pump casing resulting in a petroleum fire → Incident description (abbreviated), Pump casing corroded (failed) → Immediate Cause: Sub-standard condition, Casing material was incompatible → Intermediate Cause, Improper material was used → Intermediate Cause, Pump design was incorrect → Basic Cause: Engr&Design – inadequate technical design, The refinery design program did not include a standard to design pumps for this process service. → Latent Cause - Inadequate Performance Standards: relates to RME#7 DC&SU

12/15/23, 8:39 AM Assignment - The Hub Oil LI - Graded: Attempt review https://eclass.srv.ualberta.ca/mod/quiz/review.php?attempt=14143507&cmid=7288202 5/35 Question 2 Correct Mark 5.00 out of 5.00 Please recall the PEAP model of losses (People, Environment, Assets, Production). Match the following with the correct PEAP category for the losses at The Hub Oil Loss Incident: Two (2) fatalities, and six (6) people struck by shrapnel at the Hub Oil Plant  Large noxious plume of black smoke over several days; volume of hydrocarbons released through surface run-off.  Entire facility destroyed; loss of personal and company vehicles.  Facility permanently shut down - can no longer process used oil for recycling at rate of 15 million litres per year.  Wide residential areas were evacuated, with exposure to potentially harmful emissions.  People - Workers Environment Assets Production People - General Public Your answer is correct. People - Workers: Two (2) fatalities, and six (6) people struck by shrapnel at the Hub Oil Plant People - General Public: Wide residential areas were evacuated, with exposure to potentially harmful emissions. Environment: Large noxious plume of black smoke over several days; volume of hydrocarbons released through surface run-off. Assets: Entire facility destroyed; loss of personal and company vehicles. Production: Facility permanently shut down - can no longer process used oil for recycling at rate of 15 million litres per year. Distractor: The light-rail commuter line running just north of the plant was temporarily shut-down as a precautionary measure.

12/15/23, 8:39 AM Assignment - The Hub Oil LI - Graded: Attempt review https://eclass.srv.ualberta.ca/mod/quiz/review.php?attempt=14143507&cmid=7288202 6/35 The correct answer is: Two (2) fatalities, and six (6) people struck by shrapnel at the Hub Oil Plant → People - Workers, Large noxious plume of black smoke over several days; volume of hydrocarbons released through surface run-off. → Environment, Entire facility destroyed; loss of personal and company vehicles. → Assets, Facility permanently shut down - can no longer process used oil for recycling at rate of 15 million litres per year. → Production, Wide residential areas were evacuated, with exposure to potentially harmful emissions. → People - General Public

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