ML20153A831

ES-301-2 SRO, Control Room/In-Plant Systems Outline

ML20153A831
Person / Time
Site:	Quad Cities
Issue date:	04/10/2020
From:	NRC/RGN-III
To:	Exelon Generation Co
Roach G
Shared Package
ML19121A185	List: ML20153A820 ML20153A823 ML20153A826 ML20153A827 ML20153A829 ML20153A830 ML20153A831 ML20153A832 ML20153A833 ML20153A834
References
Download: ML20153A831 (2)

Text

ES-301 Control Room/In-Plant Systems Outline Form ES-301-2 Facility: Quad Cities Date of Examination: 3/16/2020 Exam Level: RO SRO-I SRO-U Operating Test Number: ILT 18-1 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. Initiate standby liquid control with a failure of RWCU to isolate. A, D, S 1

[Standby Liquid Control System; 211000 A4.06 3.9/3.9]

b. Pressurize the main steam lines D, L, S 3

[Main and Reheat Steam; 239001 A4.01 4.2/4.0]

c. HPCI startup for injection with loss of CCST suction path A, L, N, S 2

[High Pressure Coolant Injection System; 206000 A2.06 3.3/3.5]

d. Place RHR/LPCI in torus cooling mode D, S 5

[RHR/LPCI Torus/Suppression Pool Cooling Mode; 219000 A1.08 3.7/3.6]

e. Shutdown the RCIC system D, S 4

[Reactor Core Isolation Cooling System; 217000 A4.03 3.4/3.3]

f. N/A N/A N/A

g. Perform a reactor protection system functional test with a failure to A, D, S 7 trip

[Reactor Protection System; 212000 A4.02 3.6/3.7]

h. Startup SBGT with failure of MCC 19-4 A, EN, N, S 9

[Standby Gas Treatment System; 261000 A2.07 2.7/2.8]

In-Plant Systems:* 3 for RO, 3 for SRO-I, and 3 or 2 for SRO-U

i. Place the 1/2 RBCCW pump in operation on Unit 1. N, R 8

[Component Cooling Water System; 400000 2.1.30 4.4/4.0]

j. Inject water into the RPV using the condensate system crosstie D, E, R 2

[Reactor Low Water Level; 295031 EA1.11 4.1/4.1]

k. Locally startup and emergency diesel generator with failure of the A, D, R 6 vent fan.

[Emergency Generators (Diesel/Jet); 264000 A3.03 3.4/3.4]

ES-301 Control Room/In-Plant Systems Outline Form ES-301-2

• 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 R /SRO-I/SRO-U (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