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Unit VII Case Study Read the incident scenario, and write a

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Unit VII Case Study Read the...
Unit VII Case Study
Read the incident scenario, and write a response that is at least three pages in length. Your response must include answers to the questions being asked. All sources used, including the textbook, must be referenced. Paraphrased and/or quoted materials must have accompanying in-text and reference citations in APA format.
Scenario:
You are the Refinery Emergency Response Coordinator for an incident at the SJV Refinery which has been in operation since 1966. The refinery processes 120,000 bbls of crude oil per day, which has a sulfur content of 2.5 percent. The refinery converts crude oil to naptha, light oil, and heavy oils using the Atmospheric/Vacuum Distillation Unit with key equipment such as the following:
 naptha, kerosene, gasoline, and diesel hydrotreaters;
 isomerization unit;
 naptha reformer;
 fluid catalytic cracker;
 coker;
 hydrocracker;
 polymerization unit (petrochemical section of the refinery polymerizing olefin gases to produce polyethylene);
 sulfur recovery Claus plant (catalytic reactors); and
 distillate/gasoline blending tanks.
The refinery was initiating work on a major plant turnaround at the time of the incident to complete required maintenance repairs, mechanical integrity inspections, and modifications to existing equipment. Twenty contractor companies (approximately 150 employees) have been contracted to perform this work under the direction of refinery staff. All of the contractor workers completed the refinery orientation training.
Work for the contractor crews is assigned/scheduled each morning. On the day of the incident, the day-shift (6 am to 6 pm) crew had been tasked with isolating the acid gas feed stream for the Claus unit. Due to other work priorities, the crew did not isolate the line as planned. A shift turnover for the night contractor crew did not happen due to mandatory safety training that delayed their arrival at the worksite. Upon their arrival at the work site, the night crew held a job safety analysis (JSA) review of the scheduled task (line breaking of the acid gas feed line to replace a segment) to be performed and the hazards present. No pressure gauges or monitoring was present to indicate that the acid gas feed line was operational. The crew initiated the line breaking activity (open the line to the atmosphere) at approximately 7:45 pm under self-contained breathing apparatus (SCBA), which almost immediately resulted in the uncontrolled release of acid gas. A nearby ignition source from a welding operation ignited the flammable gas. The following actions were initially taken:
 The evacuation alarm was sounded and the refinery emergency response team (ERT) was activated.
 The plant manager and the local fire department were notified of the incident.
 The incident command was established at the refinery office near the main refinery access gate to the south (this
is the furthest distance within the refinery boundary from the incident location).
 The refinery ERT incident commander implemented actions required under the approved refinery emergency
response plan.
 The ERT was not able to immediately isolate the acid gas feed pipeline.
 The fire department arrived on location and assumed the incident command of the event.
Submitted: 1 year ago.Category: Short Essay (2 pages or less)
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5/9/2016
Writer: Mr. Gregory White, Master's Degree replied 1 year ago
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Customer reply replied 1 year ago
Here was the questions that needed answers. due to length don't think you received it. can you complete? The refinery encompasses an area measuring 2000 feet by 1400 feet. The Claus unit is located in the most northern part of the refinery, approximately 1350 feet from the main refinery access gate to the south. The polymerization unit is operating directly adjacent to the Claus unit.
BOS 3640, Interactions of Hazardous Materials 3
 The nearest residential community is located approximately 1000 feet to the northeast of the refinery.
 A plastic recycling plant is located along the south fence boundary of the refinery.
 A major interstate highway runs directly parallel to the plant, approximately 1/4 of a mile directly north of the
refinery.
 The ambient temperature on the day of the incident was 85° F and the wind was blowing at 7 mph from the
southwest to the northeast.
 Work crews were scheduled to work 12-hour shifts, 24-hours a day, to complete the refinery turnaround.
 Due to the age of the refinery, SJV has implemented a robust mechanical integrity program.
 The refinery has a trained ERT that can respond to incidents.
 Fixed water monitors are present throughout the refinery to extinguish refinery equipment fires. The refinery ERT
does not fight fires past the incipient stage.
 The refinery has received notices of violation (NOVs) from the local air district in the past several years due to gas
and liquid leaks from piping components, such as valves, compressor/pump seals, and for excess sodium dioxide
(SO2) emissions related with their sulfur plant.
 Due to historical discharges of organic compounds, groundwater monitoring wells are present down gradient of
the facility. Groundwater underlying the plant has historically been encountered at 30 feet below ground surface.
 Hydrogen sulfide is present in the acid gas feed to the Claus plant. The H2S concentration of the acid gas feed is
approximately 70 percent by volume. H2S and sulfur dioxide (SO2) have the following physical properties:
Physical Property
H2S
SO2
Specific Gravity at 68oF (20oC)
1.54
1.4
Vapor Density (Air=1)
1.18
2.22
Flashpoint
-116oF (-82.4oC)
Not Applicable
Autoignition Point
500oF (260oC)
Not Applicable
Lower Explosive Limit
4.3%
Not Applicable
Upper Explosive Limit
46%
Not Applicable
IDLH
100 ppm
100 ppm
Questions:
1. Discuss the hazards posed by the interaction of the hazardous materials present at the refinery and adjacent facilities, including the resulting by-products of the incident fire and acid gas release.
2. As the lead refinery representative on the unified incident command (UIC), what actions should be taken by the UIC to respond to this incident (please consider all receptors).
3. If the polymerization unit is engulfed in the fire, how will this affect your response?
4. All emergency responders participated in the post-incident critique. What corrective actions should be
implemented by the refinery to prevent the reoccurrence of this incident?
Writer: Mr. Gregory White, Master's Degree replied 1 year ago
After going through my resources, I do not have what is necessary to complete at this time.I am opting out and opening up to the other professionals and messaging a couple who might be able to help. Someone should be with you shortly.
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Customer reply replied 1 year ago
did you provider:Coal gasification electric power plants...
Coal gasification electric power plants are now operating commercially in the United States and in other nations. This technology produces clean-burning hydrogen that can be transferred to customer facilities by pipeline. Hydrogen can also be transported in bulk by highway or rail.
If there is aspill of liquid hydrogen, why will it likely burst into flame spontaneously?
Why do experts recommend the use of a thermal-imaging camera for detecting a hydrogen leak from a pipe fitting connected to a steel cylinder of hydrogen?
Your total response must be at least 200Sulfur is one of the world’s most important raw materials. Fires involving sulfur pose some unique hazards.
Why are secondary fires likely to result near burning bulk quantities of sulfur? What precautions should be taken to prevent these secondary fires?
What are the two common allotropes of sulfur? Discuss some commercial uses of sulfur.
Your total response must be at least 200 words in length.Meyer, E. (2014). Chemistry of hazardous materials (6th ed.). Upper Saddle River, NJ: Pearson.
02 April 2016 11:3203 April 2016 07:26
Mr. ***** ***** Mr. ***** *****
Writing Tutor
Hello, my name is Greg.Is there any other information you can send to see if I can assist on it this for you? If you have any documents you can upload, you can do so to mediafire.com or box.com and share the link here with us.If I had a model and could provide that as a model (would have to check files to see if I have one), would that be sufficient or are you seeking a fully written new model document?09 April 2016 10:01
Just the definition of Coal gasification. new model doc
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