LOT 202.46 Aux Fuel Oil Storage & Transfer

Question 1

• LOT 202.46 Aux Fuel Oil Storage & Transfer*
• • *

What does the Aux Fuel Oil System supply?

Answer 1

• *Aux Boiler**
• Abandoned*

ESF DGs (6)

BOP DGs (2)

LTG DG

Fire Pumps (3)

TSC DGs (2)

Question 2

• LOT 202.46 Aux Fuel Oil Storage & Transfer*
• • *

What indications are there in the MCR for the Aux Fuel Oil Storage System?

Answer 2

• CP003*
• *Standby DG Fuel tank level**
• CP009*
• *Aux Boiler Trouble**

Question 3

• LOT 202.46 Aux Fuel Oil Storage & Transfer*
• • *

What are the switch postions for the aux fuel oil pumps on the local panel?

Answer 3

• *Normal**
• Allows start from ZLP-635*
• *Start**
• Pumps starts if AFOST Level ≥ 36”*

Question 4

• LOT 202.46 Aux Fuel Oil Storage & Transfer*
• • *

What powers the aux fuel oil transfer pumps?

Answer 4

MCC 12K1 / MCC 12K2

Fill pump is MCC 12K2

Question 5

• LOT 202.46 Aux Fuel Oil Storage & Transfer*
• • *

What are the switch postions for the aux fuel oil pumps on the remote panel? (Located in Aux Boiler House)

Answer 5

• *Stop**
• Does not prevent local start*
• *Auto**
• Maintains header pressure #42*
• *Start**
• Pumps starts if AFOST Level ≥ 36”*

Question 6

• LOT 202.46 Aux Fuel Oil Storage & Transfer*
• • *

Describe the flowpath of the aux fuel oil storage & transfer system?

Answer 6

FO Tank → Strainer → Pump → Header