ML16343B043

7 to Updated Final Safety Analysis Report, Chapter 14, Table 14.2.8-1, Time Sequence of Events, Pages 1 - 2

ML16343B043
Person / Time
Site:	Cook
Issue date:	10/24/2016
From:	Indiana Michigan Power Co
To:	Office of Nuclear Reactor Regulation
Shared Package
ML16336A263	List: AEP-NRC-2016-42, Fire Protection Program Change Summary ML16336A225 ML16336A228 ML16336A238 ML16336A291 ML16336A292 ML16336A294 ML16336A295 ML16336A297 ML16336A298 ML16336A299 ML16336A300 ML16336A301 ML16336A302 ML16336A303 ML16336A304 ML16336A305 ML16336A306 ML16336A308 ML16336A309 ML16336A310 ML16336A311 ML16336A312 ML16336A313 ML16336A314 ML16336A315 ML16336A316 ML16336A317 ML16336A318 ML16336A319 ML16336A320 ML16336A322 ML16336A323 ML16336A324 ML16336A325 ML16336A327 ML16336A328 ML16336A329 ML16336A330 ML16336A332 ML16336A333 ML16336A334 ML16336A336 ML16336A337 ML16336A338 ML16336A339 ML16336A340 ML16336A341 ML16336A342 ML16336A345 ... further results
References
AEP-NRC-2016-42
Download: ML16343B043 (2)

Text

IINNDDIIAANNAA AANNDD M MIICCHHIIGGAANN PPOOW WEERR DD.. CC.. CCOOOOKK NNUUCCLLEEAARR PPLLAANNTT UUPPDDAATTEEDD FFIINNAALL SSAAFFEETTYY AANNAALLYYSSIISS RREEPPOORRTT Revision:

16.1 Table: 14.2.8-1 Page:

1 of 2 UNIT 2 TIME SEQUENCE OF EVENTS Accident Event Time (sec)

Main Feedwater Line Rupture (With Power)

Main feedwater line rupture occurs 10.0 Low-low steam generator water level trip signal initiated 16.0 Rods begin to fall into core 18.0 SIS low pressurizer pressure setpoint reached 78.0 Feedwater isolation (Loops 2, 3, 4) 86.0 SIS flow starts 106.0 SIS low steamline pressure setpoint reached in two loops 239.8 Steamline isolation (All loops) 250.8 Auxiliary feedwater starts to deliver to intact steam generators 610.0 Steam generator safety valve setpoint reached in intact steam generators 910.0 Core decay heat plus RCP heat decreases to auxiliary feedwater heat removal capacity

~1500.0 Pressurizer safety valve setpoint reached Never reached Main Feedwater Line Rupture (Without Power)

Main feedwater line rupture occurs 10.0 Low-low steam generator water level trip signal initiated 16.0 Rods begin to fall into core 18.0 RCS pumps begin to coastdown 20.0 SIS low steamline pressure setpoint reached in two loops 150.6 Feedwater isolation (Loops 2,3,4) 158.6 Steamline isolation (All loops) 161.6 SIS flow starts 189.0

IINNDDIIAANNAA AANNDD M MIICCHHIIGGAANN PPOOW WEERR DD.. CC.. CCOOOOKK NNUUCCLLEEAARR PPLLAANNTT UUPPDDAATTEEDD FFIINNAALL SSAAFFEETTYY AANNAALLYYSSIISS RREEPPOORRTT Revision:

16.1 Table: 14.2.8-1 Page:

2 of 2 UNIT 2 TIME SEQUENCE OF EVENTS Accident Event Time (sec)

Auxiliary feedwater started to deliver to intact steam generators 610.0 Steam generator safety valve setpoint reached in intact steam generators 668.0 Core decay heat decreases to auxiliary feedwater heat removal capacity

~1200.0 Pressurizer safety valve setpoint reached Never reached