JPM Sim-h — Perform a Containment Pressure Relief
Sim | RO/SRO | A2.02 (3.0/3.0)
Location: Simulator
Time-Critical: No
Alternate Path: Yes
Estimated Time: 10 minutes
Initial Conditions:
- Salem Unit 2 is at 100% power
- Preparations to perform a containment pressure relief per Section 5.1 of S2.OP-SO.CBV-0002, Containment Pressure - Vacuum Relief System Operation, are complete.
Initiating Cue:
- The CRS directs you to perform a containment pressure relief per Section 5.2 of S2.OP-SO.CBV-0002.
Time-Critical: No
Alternate Path: Yes
Estimated Time: 10 minutes
Initial Conditions:
- Salem Unit 2 is at 100% power
- Preparations to perform a containment pressure relief per Section 5.1 of S2.OP-SO.CBV-0002, Containment Pressure - Vacuum Relief System Operation, are complete.
Initiating Cue:
- The CRS directs you to perform a containment pressure relief per Section 5.2 of S2.OP-SO.CBV-0002.
Task Standard:
The task is satisfactorily met when the applicant has placed containment pressure relief in service per step 5.2.3.B of S2.OP-SO.CBV-0002, and upon a high radiation alarm, manually closes 2VC5 and 2VC6 valves to isolate the radiological release from containment per step 5.2.5 of S2.OP-SO.CBV-0002 OR per Attachment 1 of S2.OP-AB.RAD-0001.
The task is satisfactorily met when the applicant has placed containment pressure relief in service per step 5.2.3.B of S2.OP-SO.CBV-0002, and upon a high radiation alarm, manually closes 2VC5 and 2VC6 valves to isolate the radiological release from containment per step 5.2.5 of S2.OP-SO.CBV-0002 OR per Attachment 1 of S2.OP-AB.RAD-0001.
▶ Show Critical Steps & Key Actions
| Step | Critical Element | Standard |
|---|---|---|
| 5.2.2 | Record Release Data on Attachment 2, Section 1.0 | Records Pressure Relief Start, Initial Containment Pressure, and initial readings on radiation monitors 2R41D (preferred) and 2R12A. |
| 5.2.3.A | Monitor available radiation monitors 2R41D and 2R12A | Sets up trend on Plant Computer or monitors Radiation Monitors on 2RP1. |
| 5.2.3.B * | If containment pressure <0.5 psig, OPEN 2VC6, 2VC5, and PRESSURE RELIEF DAMPER | Confirms containment pressure < 0.5 psig. Depresses OPEN bezels for 2VC6, 2VC5, and PRESSURE RELIEF DAMPER on 2CC1 and verifies Red OPEN bezels are LIT. |
| 5.2.4 | Record time 2VC5 and 2VC6 are opened in Control Room Narrative Log | Extra NCO will record the open time. |
| 5.2.5 * | Upon high radiation alarm (OHA A-6 RMS HI RAD OR TRBL on 2R41D), manually CLOSE PRESSURE RELIEF DAMPER, 2VC6, and 2VC5 | Depresses CLOSE bezel pushbuttons for PRESSURE RELIEF DAMPER, 2VC6, and 2VC5 and verifies the Green bezels are LIT. (Alternate path — automatic closures have been defeated; applicant must manually close to isolate the release.) |
Alternate Procedural Path (S2.OP-AB.RAD-0001):
If the applicant enters S2.OP-AB.RAD-0001 instead of using step 5.2.5 of S2.OP-SO.CBV-0002, the following actions are also acceptable:
If the applicant enters S2.OP-AB.RAD-0001 instead of using step 5.2.5 of S2.OP-SO.CBV-0002, the following actions are also acceptable:
| Step | Action | Standard |
|---|---|---|
| 3.1 | Determine affected Radiation Monitor | Determines 2R41D is the affected monitor. |
| 3.2 | Is the alarm valid? | Determines the alarm is VALID. |
| 3.3 | Announce on Plant PA system | Makes page announcement with affected monitor number, name, and location. |
| 3.4 | Direct Shift Rad Pro to complete Station Status Checklist | Notifies Rad Pro of actions. |
| 3.5 | Notify SM/CRS to refer to ECG, ODCM, Tech Specs | Notifies CRS of required actions. |
| 3.6 | Initiate applicable attachment for 2R41D | Initiates Attachment 1 Step 10. |
| 10.1 * | Ensure 2VC1, 2VC4, 2VC5, and 2VC6 are CLOSED | Depresses CLOSE bezel pushbuttons for 2VC5 and 2VC6 and verifies Green bezels are LIT. |
Key Decision Point:
The alternate path begins when OHA A-6 (RMS HI RAD OR TRBL) alarms due to 2R41D high radiation during the containment pressure relief. The automatic isolation of the pressure relief dampers and 2VC5/2VC6 has been defeated by malfunctions — the applicant must recognize the alarm and manually close 2VC5 and 2VC6 (at minimum) to isolate the radiological release. This can be done via step 5.2.5 of S2.OP-SO.CBV-0002 or via S2.OP-AB.RAD-0001, Attachment 1, Step 10.
The alternate path begins when OHA A-6 (RMS HI RAD OR TRBL) alarms due to 2R41D high radiation during the containment pressure relief. The automatic isolation of the pressure relief dampers and 2VC5/2VC6 has been defeated by malfunctions — the applicant must recognize the alarm and manually close 2VC5 and 2VC6 (at minimum) to isolate the radiological release. This can be done via step 5.2.5 of S2.OP-SO.CBV-0002 or via S2.OP-AB.RAD-0001, Attachment 1, Step 10.
Ref: S2.OP-SO.CBV-0002 (R18), S2.OP-AB.RAD-0001 (R30), S2.OP-AR.ZZ-0001 (R60) | Task: N0220080101 | System: 029 Containment Purge System | K/A: A2.02 — Ability to predict the impacts of Adverse environmental conditions affecting radioactive release on the Containment Purge System and use procedures to correct, control, or mitigate the consequences | Source: New | View JPM PDF
Connections
- Related procedures: S2.OP-SO.CBV-0002 — Containment Pressure Vacuum Relief System Operation, AB.RAD-0001 — Radiation Monitor Abnormality
- Related systems: Containment, RPS/SSPS
- Related exam: 2023 NRC Operating Exam