ML12132A318

2012 Dresden Nuclear Power Station Initial License Examination ES-301-2 - RO

ML12132A318
Person / Time
Site:	Dresden
Issue date:	04/05/2012
From:	David Reeser Operations Branch III
To:	Nelson J Exelon Generation Co
Shared Package
ML11354A121	List: ML12132A315 ML12132A316 ML12132A317 ML12132A318 ML12132A319 ML12132A320 ML12132A321 ML12132A322 ML12132A323 ML12132A324 ML12132A325 ML12132A327 ML12132A328 ML12284A310 ML12284A317 ML12284A326 ML12284A332 ML12284A336 ML12284A338 ML12284A342 ML12284A366 ML12284A373 ML12284A378 ML12291A685 ML12291A688
References
Download: ML12132A318 (1)

Text

ES-301 Control Room/In-Plant Systems Outline Form ES-301-2 Facility: Dresden Date of Examination: 08/06/2012 Exam Level: RO SRO-I SRO-U Operating Test Number: 11-1 (2012-301)

@

Control Room Systems (8 for RO); (7 for SRO-I); (2 or 3 for SRO-U, including 1 ESF)

Safety System / JPM Title Type Code*

Function

a. SBLC - INJECTION WITH PUMP AND RWCU ISOLATION FAILURES A, P, S 1 (211000.A4.08)

b. FW - ALTERNATE WATER INJECTION USING STANDBY COOLANT D, L, S 2 (295031.A1.08)

c. MAIN STEAM - UNISOLATE ONE LINE USING ALTERNATE METHOD D, S 3 (239001.A4.01)

d. ISO COND - SHUTDOWN (207000.A4.05) D, S 4

e. TORUS COOLING - LOWER WATER LEVEL (219000.A4.02) D, L, S 5

f. EDG - PERFORM SURVEILLANCE TESTING, WITH SCRAM A, L, P, S 6 (264000.A4.05)

g. NI - IRM DETECTOR TEST, WITH FAILURE TO MEET ACCEPTANCE A, N, S 7 CRITERIA (215003.A4.06)

h. SBGT - START SBGT WITH A FAILURE OF REACTOR BLDG TO A, D, S 9 ISOLATE (261000.A2.13)

@

In-Plant Systems (3 for RO); (3 for SRO-I); (3 or 2 for SRO-U)

i. CRD - CROSSTIE FOR ALTERNATE INJECTION (295031.A1.08) D, E, R 2

j. ISO COND - MAKEUP PUMP LOCAL OPERATION WITH COOLING A, N 4 WATER FAILURE (207000.A2.05)

k. IA - CROSS CONNECT 3C IAC TO UNIT 2 ONLY (300000.G.2.1.30) N, R 8

@ All RO and SRO-I 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 (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, Page 23 of 27