Podcast
Questions and Answers
- Emergency Shutdown (ESD) system is a network of valves and buttons that automatically stop the flow of LNG from ______ in case of an emergency.
- Emergency Shutdown (ESD) system is a network of valves and buttons that automatically stop the flow of LNG from ______ in case of an emergency.
tanks
- Each ESD button is labeled with a ______ indicating its location.
- Each ESD button is labeled with a ______ indicating its location.
sign
- The valves used to control the flow of LNG and vapor are linked to become ESDs when ______.
- The valves used to control the flow of LNG and vapor are linked to become ESDs when ______.
activated
- ESDs can be manually activated by operators or triggered by gas detectors or ______ safety relay faults.
- ESDs can be manually activated by operators or triggered by gas detectors or ______ safety relay faults.
Signup and view all the answers
- When ESD is activated, power is cut to motor actuated and electric control solenoid valves controlling the ______ out valves.
- When ESD is activated, power is cut to motor actuated and electric control solenoid valves controlling the ______ out valves.
Signup and view all the answers
- Storage Site #1 and #2 have Boiler ESD buttons that shut down the burner on each of the boilers and the ______ heating system in case of an emergency.
- Storage Site #1 and #2 have Boiler ESD buttons that shut down the burner on each of the boilers and the ______ heating system in case of an emergency.
Signup and view all the answers
- Alarms activate to alert operators of monitored events, and unique alarm notifications are sent out to individual ______ numbers.
- Alarms activate to alert operators of monitored events, and unique alarm notifications are sent out to individual ______ numbers.
Signup and view all the answers
- Gas detectors have a 60-minute manual override during LNG tanker offloads to prevent alarms at ______ LEL.
- Gas detectors have a 60-minute manual override during LNG tanker offloads to prevent alarms at ______ LEL.
Signup and view all the answers
- To restore the site to normal conditions after an alarm or ESD, operators need to acknowledge the alarm and return the ESD buttons to their ______ position.
- To restore the site to normal conditions after an alarm or ESD, operators need to acknowledge the alarm and return the ESD buttons to their ______ position.
Signup and view all the answers
- The distribution system also has unique alarm notifications sent out to individual operator’s phone numbers for low and high distribution ______.
- The distribution system also has unique alarm notifications sent out to individual operator’s phone numbers for low and high distribution ______.
Signup and view all the answers
- Operators need to follow SOP 7150 Fire Detection Equipment Maintenance after an alarm has been ______.
- Operators need to follow SOP 7150 Fire Detection Equipment Maintenance after an alarm has been ______.
Signup and view all the answers
- Clearing hazardous environments or situations is necessary before restoring the storage site to ______ conditions.
- Clearing hazardous environments or situations is necessary before restoring the storage site to ______ conditions.
Signup and view all the answers
Study Notes
Emergency Shutdown and Alarms at LNG Storage Sites
- Emergency Shutdown (ESD) system is a network of valves and buttons that automatically stop the flow of LNG from tanks in case of an emergency.
- Each ESD button is labeled with a sign indicating its location.
- The valves used to control the flow of LNG and vapor are linked to become ESDs when activated.
- ESDs can be manually activated by operators or triggered by gas detectors or fire eye safety relay faults.
- When ESD is activated, power is cut to motor actuated and electric control solenoid valves controlling the LNG tank out valves.
- Storage Site #1 and #2 have Boiler ESD buttons that shut down the burner on each of the boilers and the glycol heating system in case of an emergency.
- Alarms activate to alert operators of monitored events, and unique alarm notifications are sent out to individual phone numbers.
- Gas detectors have a 60-minute manual override during LNG tanker offloads to prevent alarms at 25% LEL.
- To restore the site to normal conditions after an alarm or ESD, operators need to acknowledge the alarm and return the ESD buttons to their normal position.
- The distribution system also has unique alarm notifications sent out to individual operator’s phone numbers for low and high distribution pressure.
- Operators need to follow SOP 7150 Fire Detection Equipment Maintenance after an alarm has been activated.
- Clearing hazardous environments or situations is necessary before restoring the storage site to normal conditions.
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
Description
Test your knowledge about emergency shutdown and alarms at LNG storage sites with this quiz. Learn about the functions and features of the emergency shutdown (ESD) system, including its valves and buttons, and how it can be manually or automatically activated. Explore the various alarms that alert operators of monitored events, as well as the procedures for restoring the site to normal conditions after an alarm or ESD. Gain a greater understanding of the safety measures and protocols involved in managing LNG storage sites.
