ML15231A839
ML15231A839 | |
Person / Time | |
---|---|
Site: | Davis Besse ![]() |
Issue date: | 03/06/2015 |
From: | NRC/RGN-III |
To: | FirstEnergy Nuclear Operating Co |
Reeser D | |
Shared Package | |
ML15217A099 | List: |
References | |
Download: ML15231A839 (1) | |
Text
ES-301 Control Room/In-Plant Systems Outline Form ES-301-2 Facility: Davis Besse Date of Examination:__6/15/15 thru 6/26/15 __
Exam Level: RO SRO(I) SRO(U) Operating Test No.: __DB NRC 2015__
Control Room Systems@ (8 for RO); (7 for SRO-I); (2 or 3 for SRO-U)
System / JPM Title Type Code* Safety Function S1 - (001) / Transfer Rods from the Auxiliary Power Supply (Alt Path - Undesired rod motion) (JPM New) N, A, S 1 S2 - (004) / Recover from Letdown Isolation on High Temp (JPM 017) D, S 2 S3 - (005) / Start Decay Heat Pump 1 following a loss of DHR (Alt Path - Cooler Outlet Valve Fails open) (JPM New) N, A, S, L 4P S4 - (055) / Actions for Steam Leak on Gland Steam Header (Alt Path - Trip Reactor) (JPM 020) D, A, S, L 4S S5 - (026) / Initiate Containment Spray (Alt Path - Spray header develops leak) (JPM New) N, A, S, EN 5 S6 - (062) / Transfer Essential 4160Kv Bus C1 to Alternate D, S 6 (JPM 017)
S8 - (029) / Purge Containment in Mode 5 (Alt Path - Supply fan fails to start) (JPM 162) D, A, S, L 8 In-Plant Systems@ (3 for RO); (3 for SRO-I); (3 or 2 for SRO-U)
P1 - (004) / Perform Att. 5 of Control Room Evacuation D, E, R 2
DB-OP-02508, CTRM Evacuation (JPM 048)
P2 - (064) / Restore EDG to supply 4160 Essential Bus D, E 6 DB-OP-02538, Loss of D2P and DBP (JPM 079)
P3 - (078) / Bypass and isolate the in service air dryers D, E 8 DB-OP-02528, IA Malfunctions (JPM 078)
@ All RO and SRO control room (and in-plant) systems must be different and serve different safety functions; all 5 SRO-U systems must serve different safety functions; in-plant systems and functions may overlap those tested in the control room.
- Type Codes Criteria for RO / 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 NUREG-1021, R9 Supplement 1 FENOC Facsimile Rev. 1