Q83 — Relay Room Fire PORV Block Valve
000067AA2.04 (4.3)
Given:
• Unit 2 is at 100% Power.
• The crew receives confirmation of a fire in the Unit 2 Relay Room.
• The crew enters S2.OP-AB.FIRE-0001, Control Room Fire Response.
In accordance with S2.OP-AB.FIRE-0001, Which ONE of the following completes the statements below?
At 2RP2 Panel, the crew will SELECT "FIRE ____(1)_____ CONTROL AREA".
Based on the location of the fire, the crew ____(2)_____ required to DISPATCH an Operator to align the PORV Block Valve circuits to EMERG CLOSE per S2.OP-AB.FIRE-0001 Attachment 15, "PORV – EMERG CLOSE/NORMAL ALIGNMENT".
• Unit 2 is at 100% Power.
• The crew receives confirmation of a fire in the Unit 2 Relay Room.
• The crew enters S2.OP-AB.FIRE-0001, Control Room Fire Response.
In accordance with S2.OP-AB.FIRE-0001, Which ONE of the following completes the statements below?
At 2RP2 Panel, the crew will SELECT "FIRE ____(1)_____ CONTROL AREA".
Based on the location of the fire, the crew ____(2)_____ required to DISPATCH an Operator to align the PORV Block Valve circuits to EMERG CLOSE per S2.OP-AB.FIRE-0001 Attachment 15, "PORV – EMERG CLOSE/NORMAL ALIGNMENT".
A. (1) INSIDE (2) is NOT
B. (1) INSIDE (2) is
C. (1) OUTSIDE (2) is NOT
D. (1) OUTSIDE (2) is
▶ Show Answer & Explanation
✓ B. Correct. IAW S2.OP-AB.FIRE-0001(Q), Control Room Fire Response, if the fire area is the Relay Room (cooled by normal Control Room Area Air Conditioning) "FIRE INSIDE" will be selected. The procedure then ensures inventory control by closing the PORVs, Block Valves, and implementing Attachment 15 to align the PORV Block Valve circuits to EMERG CLOSE.
✗ A. Incorrect. The first part is correct. Plausible because the candidate may not remember that the spurious opening of a PORV / Block valve is a concern with a Relay Room Fire. The candidate may remember that the PORVs and Block valves are closed from the control room per the procedure, but not remember the Attachment 15 requirement.
✗ C. Incorrect. Plausible because the candidate may not remember that the Relay Room is part of the Control Room Area (cooled by normal Control Room Area Air Conditioning) and believe the proper selection would be "FIRE OUTSIDE". Plausible because the candidate may not remember that the spurious opening of a PORV / Block valve is a concern with a Relay Room Fire. The candidate may remember that the PORVs and Block valves are closed from the control room per the procedure, but not remember the Attachment 15 requirement.
✗ D. Incorrect. Plausible because the candidate may not remember that the Relay Room is part of the Control Room Area (cooled by normal Control Room Area Air Conditioning) and believe the proper selection would be "FIRE OUTSIDE". The second part is correct.
Ref: S2.OP-AB.FIRE-0001(Q), Control Room Fire Response and bases | LO: N/A | Source: Bank, Salem 17-01 Audit Exam, SRO Q8 | Cognitive: Fundamental
Connections
- Related systems: Pressurizer Level & Press Control
- Related procedures: AB.FIRE-0001 — Control Room Fire Response
- Related exam: 2020 NRC Written Exam