ML22236A017

Initial License Exam Forms ES-301-2

ML22236A017
Person / Time
Site:	Dresden
Issue date:	05/14/2021
From:	Chuck Zoia NRC/RGN-III/DRS/OLB
To:	Exelon Generation Co
Zoia C
Shared Package
ML20136A310	List: ML22235A756 ML22235A757 ML22236A016 ML22236A017 ML22236A018 ML22236A020
References
Download: ML22236A017 (4)

Text

ES-301 Control Room/In-Plant Systems Outline Form ES-301-2 Facility: DRESDEN Date of Examination: 4/19/2021 Exam Level: RO SRO-I SRO-U Operating Test Number: 2021-301 Control Room Systems:* 8 for RO, 7 for SRO-I, and 2 or 3 for SRO-U System/JPM Title Type Code* Safety Function

a. 241000.A4.06 DEHC - Establish RPV Cooldown With Bypass D, S 3 Valves

b. 204000.A4.06 RWCU - Rapidly Secure RWCU System With D, S 2 Reactor at Pressure

c. 207000.A4.01 A - ISO COND - Startup With Failure of the M/U M, EN, S, A 4 System

d. 223001.A1.08 CORE SPRAY - Raise Unit 2 Torus Water Level D, EN, S 5 Using Core Spray

e. 700000.AA2.05 Electric Grid Disturbance During Shutdown N, L, S 6 Operations

f. 215003.A4.06 NI - IRM Detector Position Rod Block Functional D, L, S 7 Test

g. 295018.AA2.05 SW - Swap Service Water Pumps With a Loss of N, S, A 8 System Pressure

h. 271000.A4.09 OFF GAS - Align Charcoal Adsorber Filters in M, S, A 9 Parallel Mode In-Plant Systems:* 3 for RO, 3 for SRO-I, and 3 or 2 for SRO-U

i. 202001.K4.04 Isolate Seal Purge D, L, R 1

j. 295028.A1.03 Bypass the Trip of Drywell Coolers D, P, E 5

k. Generic 2.1.30 (295003.AA1.02) Diesel Generator 2/3 Local D, A, R 6 Manual Start

• All RO and SRO-I control room (and in-plant) systems must be different and serve different safety functions, all five SRO-U systems must serve different safety functions, and in-plant systems and functions may overlap those tested in the control room.

• Type Codes Criteria for RO /SRO-I/SRO-U

ES-301 Control Room/In-Plant Systems Outline Form ES-301-2 (A)lternate path 4-6/4-6 /2-3 (C)ontrol room (D)irect from bank 9/ 8/ 4 (E)mergency or abnormal in-plant 1/ 1/ 1 (EN)gineered safety feature 1/ 1/ 1 (control room system)

(L)ow-Power/Shutdown 1/ 1/ 1 (N)ew or (M)odified from bank including 1(A) 2/ 2/ 1 (P)revious 2 exams 3/ 3/ 2 (randomly selected)

(R)CA 1/ 1/ 1 (S)imulator

ES-301 Control Room/In-Plant Systems Outline Form ES-301-2 Facility: DRESDEN Date of Examination: 4/19/2021 Exam Level: RO SRO-I SRO-U Operating Test Number: 2021-301 Control Room Systems:* 8 for RO, 7 for SRO-I, and 2 or 3 for SRO-U System/JPM Title Type Code* Safety Function

a. 241000.A4.06 DEHC - Establish RPV Cooldown With Bypass D, S 3 Valves

b. 204000.A4.06 RWCU - Rapidly Secure RWCU System With D, S 2 Reactor at Pressure

c. 207000.A4.01 A - ISO COND - Startup With Failure of the M/U M, EN, S, A 4 System

e. 700000.AA1.01 Electric Grid Disturbance During Shutdown N, L, S 6 Operations

f. 215003.A4.06 NI - IRM Detector Position Rod Block Functional D, S 7 Test

g. 295018.AA2.05 SW - Swap Service Water Pumps With a Loss of N, S, A 8 System Pressure

h. 271000.A4.09 OFF GAS - Align Charcoal Adsorber Filters in M, S, A 9 Parallel Mode In-Plant Systems:* 3 for RO, 3 for SRO-I, and 3 or 2 for SRO-U

i. 202001.K4.04 Isolate Seal Purge D, L, R 1

j. 295028.A1.03 Bypass the Trip of Drywell Coolers D, P, E 5

k. 264000.A4.04 Diesel Generator 2/3 Local Manual Start D, A, R 6

• All RO and SRO-I control room (and in-plant) systems must be different and serve different safety functions, all five SRO-U systems must serve different safety functions, and in-plant systems and functions may overlap those tested in the control room.

• Type Codes Criteria for RO /SRO-I/SRO-U

ES-301 Control Room/In-Plant Systems Outline Form ES-301-2 (A)lternate path 4-6/4-6 /2-3 (C)ontrol room (D)irect from bank 9/ 8/ 4 (E)mergency or abnormal in-plant 1/ 1/ 1 (EN)gineered safety feature 1/ 1/ 1 (control room system)

(L)ow-Power/Shutdown 1/ 1/ 1 (N)ew or (M)odified from bank including 1(A) 2/ 2/ 1 (P)revious 2 exams 3/ 3/ 2 (randomly selected)

(R)CA 1/ 1/ 1 (S)imulator