ML15231A837

2015 Davis-Besse Nuclear Power Station Initial License Examination ES-301-2 RO Systems Outline

ML15231A837
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: ML15231A834 ML15231A836 ML15231A837 ML15231A839 ML15231A840 ML15231A841 ML15232A050 ML15232A078 ML15245A226 ML15245A228 ML15245A470 ML15260B206
References
Download: ML15231A837 (1)

Text

NUREG-1021, R9 Supplement 1 FENOC Facsimile Rev. 1 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 (JPM 017)

D, S 6

S7 - (016) / Exchange RC Flow Inputs from RPS Ch1 to RPS Ch2 (JPM 048)

D, S 7

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 DB-OP-02508, CTRM Evacuation (JPM 048)

D, E, R 2

P2 - (064) / Restore EDG to supply 4160 Essential Bus DB-OP-02538, Loss of D2P and DBP (JPM 079)

D, E 6

P3 - (078) / Bypass and isolate the in service air dryers DB-OP-02528, IA Malfunctions (JPM 078)

D, E 8

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 (C)ontrol room (D)irect from bank (E)mergency or abnormal in-plant (EN)gineered safety feature (L)ow-power / Shutdown (N)ew or (M)odified from bank including 1(A)

(P)revious 2 exams (R)CA (S)imulator 4-6 /4-6 /2-3 9 / 8 / 4 1 / 1 / 1 1 / 1 / > 1 (control room system) 1 / 1 / 1 2 / 2 / 1 3/ 3 / 2 (randomly selected) 1 / 1 / 1