ML23325A015
| ML23325A015 | |
| Person / Time | |
|---|---|
| Site: | Byron  |
| Issue date: | 05/31/2023 |
| From: | Jack Giessner NRC/RGN-III/DORS/OB |
| To: | Constellation Energy Generation |
| Travis Iskierka-Boggs | |
| Shared Package | |
| 22122A028 | List: |
| References | |
| Download: ML23325A015 (1) | |
Text
Form 3.2-2 Control Room/In-Plant Systems Outline Facility: Byron Nuclear Station Date of Examination: 10/16/23 Operating Test Number: 2023-301 Exam Level:
RO SRO-I SRO-U System/JPM Title Type Code Safety Function Control Room Systems
- a. Respond to Uncontrolled Rod Motion (CR-1-03-0) 001A3.09 Ability to monitor automatic operation of the CRDS, including:
Rod speed and direction 3.7/3.6 M, A, S 2021 Cert 1
- b. Letdown Orifice Operation 004A4.06: Ability to manually operate and/or monitor in the control room:
Letdown isolation and flow control valves (3.8)
M, S Bank 2
- c. Increase SI Accum Pressure - 1SI8875B fails to close 006A4.02, Ability to manually operate and/or monitor in the control room:
Valves (4.0/3.8)
D, A, S, L 2021 Cert 3
- d. Perform 1BOSR MS-Q1 041A4.02 Ability to manually operate and/or monitor in the control room: Steam dump / cooldown valves (3.6)
N, S New 4S
- e. Start RCFC in Low Speed 022 A4.01: Ability to manually operate and/or monitor in the control room: CCS fans (3.7)
D, EN, S 2019 Cert 5
- f.
Reclose U1 345 KV Ring Bus (CR-6-03-21) 062A4.01, Ability to manually operate and/or monitor in the control room: All breakers (including available switchyard) (3.3/3.1)
D, S 2021 Cert 6
- g. Remove an Area Rad Monitor from Service (CR-7-03-0) 072A4.01Alarm and interlock set point checks and adjustments (3.0/3.3)
D, S Bank 7
- h. Start 1B CW pump -1CW001B fails to open 075A4.02: Ability to manually operate and/or monitor in the control room:
Circulating water pump (3.1)
D, A, S Bank 8
In-Plant Systems
- i.
Manually Operate _MS018A (S/G PORV) per BOP MS-6 due to S/G Overpressure 068AA1.01: Ability to operate and/or monitor the following as they apply to Control Room Evacuation: S/G atmospheric relief valve (3.8)
D, E 2019 NRC 4P JPM.b was replaced from proposed due to Simulator MST crashes while running proposed JPM.
- j.
Perform a local emergency start of the 2B AF pump (Start with Bypass) 061A2.04: Ability to (a) predict the impacts of the following on the Auxiliary/Emergency Feedwater System and (b) based on those predictions, use procedures to correct, control, or mitigate the consequences of those abnormal operations: AFW pump failure or improper operation (4.1/4.0)
D, E, A, R Bank 4S
- k. Purge the Main Control Room from the Remote Shutdown Panel (0B Train) 068AA1.12.02: Ability to operate and/or monitor the following as they apply to Control Room Evacuation: Auxiliary shutdown panel (4.2)
D, E, R 2021 Cert 9
Code License Level Criteria RO SRO-I SRO-U (A)lternate path 4-6 4 4-6 2-3 (C)ontrol room (D)irect from bank 9 8 8
4 (E)mergency or abnormal in-plant 1 3 1
1 (EN)gineered safety feature (for control room system) 1 1 1
1 (L)ow power/shutdown 1 1 1
1 (N)ew or (M)odified from bank (must apply to at least one alternate path JPM) 2 3 2
1 (P)revious two exams (randomly selected) 3 1 3
2 (R)adiologically controlled area 1 2 1
1 (S)imulator
Form 3.2-2 Control Room/In-Plant Systems Outline Facility: Byron Nuclear Station Date of Examination: 10/16/23 Operating Test Number: 2023-301 Exam Level:
RO SRO-I SRO-U System/JPM Title Type Code Safety Function Control Room Systems
- a. Respond to Uncontrolled Rod Motion (CR-1-03-0) 001A3.09 Ability to monitor automatic operation of the CRDS, including:
Rod speed and direction 3.7/3.6 M, A, S 2021 Cert 1
- b. Letdown Orifice Operation 004A4.06: Ability to manually operate and/or monitor in the control room:
Letdown isolation and flow control valves (3.8)
M, S Bank 2
- c. Increase SI Accum Pressure - 1SI8875B fails to close 006A4.02, Ability to manually operate and/or monitor in the control room:
Valves (4.0/3.8)
D, A, S, L 2021 Cert 3
- d. Perform 1BOSR MS-Q1 041A4.02 Ability to manually operate and/or monitor in the control room: Steam dump / cooldown valves (3.6)
N, S New 4S
- e. Start RCFC in Low Speed 022 A4.01: Ability to manually operate and/or monitor in the control room: CCS fans (3.7)
D, EN, S 2019 Cert 5
- f.
Reclose U1 345 KV Ring Bus (CR-6-03-21) 062A4.01, Ability to manually operate and/or monitor in the control room: All breakers (including available switchyard) (3.3/3.1)
D, S 2021 Cert 6
- g.
- h. Start 1B CW pump -1CW001B fails to open 075A4.02: Ability to manually operate and/or monitor in the control room:
Circulating water pump (3.1)
D, A, S Bank 8
In-Plant Systems
- i.
Manually Operate _MS018A (S/G PORV) per BOP MS-6 due to S/G Overpressure 068AA1.01: Ability to operate and/or monitor the following as they apply to Control Room Evacuation: S/G atmospheric relief valve (3.8)
D, E 2019 NRC 4P JPM.b was replaced from proposed due to Simulator MST crashes while running proposed JPM.
- j.
Perform a local emergency start of the 2B AF pump (Start with Bypass) 061A2.04: Ability to (a) predict the impacts of the following on the Auxiliary/Emergency Feedwater System and (b) based on those predictions, use procedures to correct, control, or mitigate the consequences of those abnormal operations: AFW pump failure or improper operation (4.1/4.0)
D, E, A, R Bank 4S
- k. Purge the Main Control Room from the Remote Shutdown Panel (0B Train) 068AA1.12.02: Ability to operate and/or monitor the following as they apply to Control Room Evacuation: Auxiliary shutdown panel (4.2)
D, E, R 2021 Cert 9
Code License Level Criteria RO SRO-I SRO-U (A)lternate path 4-6 4 4-6 2-3 (C)ontrol room (D)irect from bank 9 8 8
4 (E)mergency or abnormal in-plant 1 3 1
1 (EN)gineered safety feature (for control room system) 1 1 1
1 (L)ow power/shutdown 1 1 1
1 (N)ew or (M)odified from bank (must apply to at least one alternate path JPM) 2 3 2
1 (P)revious two exams (randomly selected) 3 1 3
2 (R)adiologically controlled area 1 2 1
1 (S)imulator