Text

Updated Safety Analysis Report (USAR) Revision 35, Section 7, Plant Instrumentation and Control Systems
	ML18155A451
Person / Time
Site:	Prairie Island
Issue date:	05/18/2018
From:	; Xcel Energy, Northern States Power Company, Minnesota
To:	; Office of Nuclear Reactor Regulation
Shared Package
ML18155A439	List: L-PI-18-018, Updated Safety Analysis Report (USAR) Revision 35, Appendix I, Postulated Pipe Failure Analysis Outside of Containment; ML18155A440; ML18155A445; ML18155A446; ML18155A447; ML18155A448; ML18155A449; ML18155A450; ML18155A451; ML18155A452; ML18155A453; ML18155A454; ML18155A455; ML18155A456; ML18155A457; ML18155A465; ML18155A466; ML18155A467; ML18166A204; ML18166A205; ML18166A206; ML18166A208; ML18166A209; ML18166A210;
References
	L-PI-18-018
	Download: ML18155A451 (243)
	v • d • e

PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT

1212 PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT

PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT

PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT (1)

PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT

Containment Area Monitors (1R-2, 2R-

2) The containment area monitors provide local and remote alarms to detect elevated radiation while storing or handling fuel in containment. Per Reference 77, this monitor provides compliance with 10CFR50.68.b.6.Spent Fuel Area Monitor (R-

5) The spent fuel area monitor provides local and remote alarms to detect elevated radiation while storing or handling new or spent fuel in the spent fuel pit enclosure. Per Reference 77, this monitor provides compliance with 10CFR50.68.b.6.

PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT

NOTES1 I. T emperotures ore measured In the hot and cold legs. 2. Pressure Is measured at the pressurizer.

TAVG (LOOP A) TAVG (LOOP A) TAVG (LOOP 8) TAVG (LOOP 8) I I ' t AUCTIONEERING NUCLEAR NUCLEAR FLUX UNIT FLUX SIGNAL COMPENSATION UNIT (HIGHEST T AV~ t I TO PRESSURIZER CONTROL GROUP CONTROL LEVEL PROGRAMMER l SIGNAL SPEED AND DIRECTION , j_ LEAD-LAG LEAD-LAG AVERAGE SEQUENTIAL ROD COMPENSATION

-COMPENSATION

-TEMPERATURE CONTROL UNIT UNIT UNIT CONTROL UNIT CAUTOMA TIC CONTROL> Tref RODS IN RODS OUT (CONTROL (CONTROL Tref AVERAGE GROUP> GROUP> STEAM DUMP CONTROL TEMPERATURE PROGRAMMER t PERMISSIVE CIRCUITS TURBINE LOAD PERMISSIVE CIRCUIT SIGNAL (ROD INTERLOCKS>

STEAM DUMP CUTOUT STEAM DUMP MANUAL ROD ..J VALVES CONTROL < z C, iii a.. STEAM GENERATOR Z2 PERMISSIVE CIRCUITS CONTROL ROD .... PRESSURE (ROD INTERLOCKS)

-ACTUATORS CONTROL I 0 .... (.) ' REACTOR TRIP CONTROL ROD BREAKER I DRIVE MECHANISMS CONTROL ROD _ REACTOR TRIP POWER SUPPLY BREAKER 2 SIMPLIFIED BLOCK DIAGRAM OF REACTOR CONTROL SYSTEMS OWN L. BORCHARDT DATE 6-23-99 NORTHERN STATES POWER COMPANY SCALE: NONE I PRAIRIE ISLAND NUCLEAR GENERATING PLANT CHECKED CAD FIGURE 7 .2-1 REV. 18 FILE U0720!.DGN RED WING MINNESOTA I 2 3 4 5 6 7 8 9 10 II 12 13 I I I A B A A C s D s D C C E s s F-A B B A G-D C D H-A B B A I s s J C C K s D s L A A M CONTROL ROD CLUSTER BANKS Control Bank I <A> 8 Control Bank 2(8) 4 Control Bank 3<C> 5 Control Bank 4 (D) 4 Shutdown (S) 8 -TOTAL 29 CONTROL ROD CLUSTER BANKS OWN L. BORCHARDT DATE 6-23-99 NORTHERN STATES POWER COMPANY SCALE, NONE CHECKED CAO PRAIRIE ISLAND NUCLEAR GENERA TING PLANT FIGURE 7 .2-2 REV. 18 FILE U07202.DGN RED WING loltlESOTA llr) C DI ; IF~ i "'c ;;t 6 en ..., ' CJ 18 C, z -0 ;o > :5 iii iii ls r :u (11 ~1 r o rr, ITI m~!!l ~i: Io , :;; ;,I C') I>"' nlTI ::o-,, oz c, o Z ITI i1~ ~n O i r-0 -I,, Al z~ C') -< " r z -I 11 s C -ii I :,I N I c., :a .... CD HIGH POWER MODE 1257. FEED FLOW INCREASING)

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+ LEVEL CONTR0U.ER H.P. MOOE LEVEL CONTROLLER L.P.MOD£ FLOW CONTR<U.ER HJ'. MOOE + AUTO MODE SELECTION STEAM FEED PRESS PRESS 6.P CORRECTION VALVE LIFT CALCULATION

& LINEARIZATION VALVE SEotENCM:

I TRACKM; BYPASS MAIN Top Detector EXCORE DETECTORS Bottom Detector NI 301 Course R 304 Fine R 311 Course R 305 NI 302 61 Meter Ima+/- 10% Gain=4+/-10%

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TP301 (Test Point) (Isolation Amplifiers)

.-------.---<(+

Output) NM 306 (2.083 volts) Gain=4+/-10%

25K lK lK 25K Fine Course (Panel) (Inside) R303 R312 NM 310 SUMMING AMPLIFIER TP302 (Test Point) Gain=4+/-10%

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+% 61 Meter -% (From Bottom Detector)

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SUM OF TOP AND BOTTOM DETECTOR CURRENTS vs POWER. <CHANNEL <3) OWN L. BORCHARDT DATE 6-23-99 SCALE, NOE . . ' CHECKED CAO FILE U07303.DGN NORTHERN STATES POWER COMPANY PRAIRIE ISLAND NUCLEAR GENERATING PLANT RED DIG la-lNESOTA FIGURE 7.3-3 REV. 18 O O O O O 0 S!S?cowvNO 11 1111 11 11111 LL:::) ..J ..J ,,., 0 If) 0 0 Cl'.'. w 3: 0 0... _J _J ::) L,__ <O ' $2 I I II I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I II I I I I I I I I I I I I I I I I I (J) 0... <( <(~D...WO'.'.W(/)

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-TOP VIEW 1-1q-04 SCALE, NONE '----v---'

NIS RACK I U0735.OGN NORTHERN STATES POWER COMPANY PRAIRIE ISLAND NUCLEAR GENERATING PLANT RED WING MINNESOTA FIGURE 7.3-5 REV. 26 a.. a.. D a.. a.. a.. a: a: z a: a: a: I-I-I-I-I-I-I-w w w w _J z I-I-(j) a: <I 0 <I <I ::, ::, a: a: I (j) z I-D (j) -z z a: D I-0 0 I-a: a: I w I-I-X u. ::, ::, ::, a: > 0 CJ') a: I-I-(j) a.. I-w (j) <I ::, a: a: 0 D w a.. I-a.. w z z X I w ::, D r D _J D z u. I <I I a: z w 0 D w a: a: D z w I-z <I <I 3 ::, a: a: 0 w a.. z a: a: w w w 3 3 D 0 z 0 a.. <I a.. a: w u a: ::, 0 (j) OWN V SHACKLETON OATE 04-21-05 CHECKED CAO FILE U07403.OGN (j) ::.:: u 0 _J a: w I-z a.. D a.. a: z a: I-I-I-I-X w w ::, V) D _J a: I I-a.. a: ::, a: w w I-0 z z X ::, w ::, D _J (j) z ::, u. <I CD a: z 0 a.. w a: L I-I-::, <I ::, a.. w 0 z I-w z L w <I a: D _J w z 0 I-<I 0 z a: u I a: a: D lJ.J 0 3 I-I 0 u a.. <I w a: a: 0 (j) I-z <I-D wa:w a: I-CD LOGIC MATRICES a.. a.. a.. a.. a.. a: a: a: a: a: I-I-I-I-I-a: a: 3 w _J 0 w 0 a: w I-::.:: _J ::, > <I <I u. CJ') w w (j) _J a: w a: I-w z CD z a: I a.. D w <I D a.. _J I L 0 3 w ::, 0 0 a: z a.. u _J w N CD I-a: a: a: z 0 w a: ::, <I N ::, I-I-_J (j) u 0 a: (j) <I 0 w ::, w u a: (j) a: CJ') a.. a: 3 w 0 0 a: I-a.. u _J w _J a: w I-<I 3 a: 0 I-<I a: w z w D L <I w I-CJ') 3 0 _J I 3 0 _J REACTOR PROTECTION SYSTEMS NORTHERN STATES POWER COMPANY PRAIRIE ISLAND NUCLEAR GENERATING PLANT R£0 WING "81MSOTA J:\CAD\PRI\USAR\U07403.DGN 04/21/2005 12:04:18 PM w a: ::, a: I-wa.. <J I-<J 0 a: w > 0 I-I-OW <J D <J > a: > <I <I ::, I-f--(j) (j) w L a: 0 a.. I-CJ') I-I-a: z w O w <I uCDCD _J ZoL 0 0 Wz <I ffi <I G u a: t!: a.. z 0 -o I-01--u GN

'3 HIGH NEUTRON FLUX RATE REACTOR TRIP '3 POWER RANGE HIGH NEUTRON FLUX RATE REACTOR TRIP NORTt-ERN STATES POWER COt,FANY PRAIRIE ISLAND NUCLEAR GENERATING PLANT RED WIG IIINNESOTA

'3 1/2 SCALE, tOIE FIGURE 7 .4-4 REV. 21 n C ::c :Ii ITI z n " r-ITI C m 0 ;;u n ::c J> ::u C -I "TIO C -J> l> i;; C -4 ITI C 0 a, ..... I .... N 0 ';> (JI IO b IO Cl z ;g ;!j;! ITI z vi §J r -4 ::c z~ Oz a z 111 B C -4 S n !'j 1i r l"1 V, Ii ::ti "0 !c;,i ~11'1~ .... z >IT'ln ::ti 0 ~ -I "0 - Zz (;") -< "lJ r z -I 'Tl i5 C ll m .... I CJI ll .... CD (I) r !JI z 0 z ITI ;t < C') ' t> --i 0 0 z --i BANK :::0 POSITION 0 SIGNAL in r z l> C') z re ITI n ""tJ :c :::0 l> 0 z --i Z ITI ITI 0 r :::::! -o z (I) -< (I) --i ITI 3:: TWO DETECTOR PAIRS PER LOOP (8 TOTAL> HOT LEG__, CH CH CH r--e-IV III II I I I EMERGENCY RESPONSE COMPUTER SYSTEM COMPUTER SOFTWARE 6 T EVIA TION ALARM LO ALARM LO-LO ALARM (COMMON FOR ALL FOUR BANKS) "6T T,WG VOLTAGE DIVIDER PRESSURIZER PRESSURE SIGNAL REACTOR TRIP (2/4) -COLD LEG FROM NIS f6 UPPER t LOWER FUNCTION GENERATOR OVERTEMPERATURE OVERPOWER 6T SET POINT 6T SET POINT OVERTEt-PERATURE OVERPOWER 6 T SET POINT INDICATION ROD WITHDRAWAL STOP 12/4) 6T SET POINT INDICATION REACTOR TRIP (2/4) CH CH CH I/L f(TAVGl IV III II ,-~-LOOP DEFEAT SWITCH I CH II,IIl,IV 1 DEVIATION

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I LOGIC RELAY COILS LOGIC RELAY CONTACTS <MATRIX> I I L-§1 I I PROCESS SENS~S OR TRANSMITTERS CONTAINMENT WALL ANALOG PROTECTION RACKS REACTOR TRIP BISTABLES

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<CONDENSED>

STEAM WATER LEVEL TEMPERATURE BARRIER N.O. BELLOWS CHAMBER VERTICAL DISTANCE KEPT TO <1 FT CAPILLARY

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(,..2'.J-99 U074098.DGN NORTHERN STATES POWER COMPANY PRAIRIE ISLAND NUCLEAR GENERATING PLANT RED WING MINNESOTA SCALE: NONE FIGURE 7.4-9B REV. 18

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--' a.. W->0<: w I---' c;: 00 --' u O iti --' c;: --' a.. W---' c;: 00 --' u O itj --' c;: z 3: w 0~ a, I v, U) --' a.. V) I ... W-> c;: I ID CD w I-a, --' c;: <( a.. 00 a.. 0 'It Oo ... --' u 0--' 0 O iti --' --' c;: z 0 0 z " (!) c;:

SCALE: NONE FIGURE 7.4-10 REV. 35 ow~.o. SULLIVAN CHECKED ANNUN. CH. TEST SIGNAL .,..___ l INJECTION MCK 7 PROCESS SENSOR --------------------------
---TEST-OPERATE SWITCH DATE CAD FILE POWER SUPPLY LOGIC TEST SWITCH INTERPOSING RELAY BISTABLE TRIP SWITCH BISTABLE TRIP RELAYS D TEST POINT LOGIC TEST SWITCH ..._ __ INTERPOSING RELAY BASIC ELEMENTS OF A PROCESS PROTECTION ANALOG CHANNEL NORTHERN STATES POWER COMPANY SCALE: NONE PROVING LAMP U074'.1.0GN PRAIRIE ISlAND NUCLEAR GENERATING PLANT ltfD WING MINNE:.OTA FIGURE 7.4-11 REV. 18 OWN T. Mll..LER 0£CKED AL = ALARM BUF = BUFFER F = SPECIAL FUNCTION (SUCH AS A PRESSURE COMPENSATION UNIT OR LEAD/LAG COMPENSATION)
FC = FLOW CONTROLLER COFF-ON UNLESS OUTPUT SIGNAL IS SHOWN) FI = FLOW INDICATOR FT = FLOW TRANSMITTER Hr LRT = HIGH LEVEL REACTOR TRIP HI PRT = HIGH PRESSURE REACTOR TRIP I/I = ISOLATION CURRENT REPEATER !SOL = ISOLATION (OTHER THAN I/I ) LC = LEVEL CONTROLLER (OFF /ON UNLESS OUTPUT SIGNAL IS SHOWN) LI = LEVEL INDICATOR L/L LEAD/LAG L-LOW,LOL
= LOW LEVEL LO LRT = LOW LEVEL REACTOR TRIP LO PRT = LOW PRESSURE REACTOR TRIP Lref = PROGRAMMED REFERENCE LEVEL LT= LEVEL TRANSMITTER NC= NUCLEAR FLUX CONTROLLER NE= NUCLEAR FLUX DETECTOR NI = NUCLEAR FLUX INDICATOR NM = NUCLEAR FLUX SIGNAL MODIFIER NQ = NUCLEAR POWER SUPPLY PC= PRESSURE CONTROLLER (OFF-ON UNLESS OUTPUT SIGNAL IS SHOWN) PI = PRESSURE INDICATOR PM = PRESSURE SIGNAL MODIFIER Pref= PROGRAMMED REFERENCE PRESSURE PS= POWER SUPPLY PI = PRESSURE INDICATOR PT= PRESSURE TRANSMITTER QM = NUCLEAR FLUX SIGNAL MODIFIER R/I = RESISTANCE TO CURRENT CONVERTER RT= RESISTANCE TEMPERATURE DETECTOR S = CONTROL CHANNEL TRANSFER SWITCH (USED TO MAINTAIN AUTO CHANNEL DURING TEST OF THE PROTECTION CHANNEL> SI = SAFETY INJECTION T = BUILT IN TEST POINT TC= TEMPERATURE CONTROLLER TE= TEMPERATURE ELEMENT TI = TEMPERATURE INDICATOR TJ = TEST SIGNAL INSERTION JACK TM = TEMPERATURE SIGNAL MODIFIER TP = TEST POINT 4> U,L = OUT OF CORE UPPER OR LOWER ION CHAMBER FLUX SIGNALS DATE CAD FILE 6-23-99 007412.DGN ANALOG SYSTEM SIGNALS NORTHERN STATES POWER COMPANY PRAIRIE ISLAND NUCLEAR GENERATING F'LANT RED WING MINIESOTA SCALE* NONE I FIGURE 7.4-12 REV. 18 DC POWER SOURCE #1
UV TB-1 AII A2H~ Al A2 flrt EVENT RECORDER *
UV UV AB-2 TB-2 Bl I "HB3 Bl B2 EVENT RECORDER
FOR TRIP BREAKERS TB-1 & TB-2, THE TRIP LOGIC ALSO ENERGIZES THE BREAKER'S SHUNT TRIP COIL. r". BYPASS BREAKER BYPASS BREAKER r". (AB-1) (AB-2) ~,_] [,_._ CONTROL ROD POWER SUPPLY TRIP (ONLY ONE OF THREE POLES SHOWN) TRIP BREAKER BREAKER (TB-1) (TB-2) TRIP LOGIC CHANNELS ow~.D. SULLIVAN DATE 6--23-99 NORTHERN STATES POWER COMPANY SCALE, NONE DC POWER SOURCE #2
UV AB-1 CONTROL RODS CHECKED CAD FILE U074A3.DGN PRAIRIE ISLAND NUCLEAR GENERATING PLANT RFD WING MINNl1/4OTA FIGURE 7.4-13 REV. 18 DW~.D. MJLllVAN CHECKED BREAKER #1 TEST PANEL 0000 TRIP © SHUNT COIL TEST TEST CLOSE 00 TRIP CLOSE ©© EVENT RECORDER Sl S2 S3 [21 (2) (2) SHUNT TEST © SHUNT COIL BLOCK 0000 PBl PB2 PB3 PB4 P7 P8 NAME PLATE FOR SWITCH POSITION AND FUNCTION PlO P9 BREAKER #2 TEST PANEL 0000 TRIP © SHUNT COIL TEST TEST CLOSE 00 TRIP CLOSE ©© EVENT RECORDER Sl S2 S3 (2) (2) (2) SHUNT TEST © SHUNT COIL BLOCK 0000 PBl P7 p PB3 P8 NAME PLATE FOR SWITCH POSITION AND FUNCTION PB4 PlO TRIP LOGIC CHANNEL TEST PANELS DATE CAO FILE (,...2;$,-99 U074M.DGN NORTHERN ~TATE~ POWER COMPANY PRAIRIE ISLAND NUCLEAR GENERATING PLANT ltfD WING MINNE:.OTA SCALE, NONE I FIGURE 7.4-14 P9 REV. 18 SAFETY INJECTION ACTUATION CONTAINMENT ISOLATION CONTAINMENT PRESSURE STEAM LINE ISOLATION CONTAINMENT SPRAY Tovg 1/2 STEAM LINE FLOW PER LOOP SAFETY---.
INJECTION HIHI
...----MANUAL STEAM LINE PRESSURE PER LOOP SAFETY INJECTION, CONTAINMENT ISOLATION PRESSURE ACTUATION STEAM LINE ISOLATION
<PER LOOP) DWN JDS D.\Tf 6-23--99 Cl1ECl<fD l'OQltCT NO. ETNSUR 8630 REVISIONS PRESSURIZER PRESSURE SAFETY INJECTION, CONTAINMENT ISOLATION , a
N'f"D I CEKT. ENGINEERING SAFETY FEATURE LOGIC DIAGRAM CAO fl..E. U074A5.DGN NORll-tERN STATES POWER COMPANY PRAIRIE ISLAND NUCLEAR GENERATING PLANT IIED WING, MINNBOT/1 SC"'-' NONE FIGURE 7.4-15 REV. 18 v, AC-1 PROTECTION RACK #1 AC-2 PROTECTION RACK #2 PROTECTION RACK #3 PENETRATION ASSEMBLY CONTAINMENT WALL ENGINEERED SAFETY FEATURE BISTABLES ANALOG ANALOG RACK(S) RACK(S) t-----~--~-----L-=======-1

~ ~------------------, I I I I Cl IA L:3---------------:-l 01 IA~ 02 IA~ 03 ----------------.

LOGIC RELAY COILS TRAIN "A" SLAVE RELAYS .T T----T T. ., II A" SAFEGUARDS COMPONENTS 0 I LOGIC RELAY CONTACTS (MATRICES)
RESET SWITCH (CONTROL BOARD) I l_~ ,--I I M I I 0 \ 1-MASTER ACTUATING RELAYS ENERGIZE TO OPERATE (MECHANICALLY LATCHED) SLAVE RELAY CONTACTS TO ACTUATE INDIVIDUAL COMPONENTS ACTUATION CIRCUITS OF ENGINEERED SAFEGUARDS I l_~ I RELAY RACK(S) l_~ TRAIN "B" SLAVE RELAYS I I----I I v "B" SAFEGUARDS COMPONENTS ow~.D. SULLIVAN DATE 6-23-99 NORTHERN STATES POWER COMPANY SCALE: NONE V 2 CHECKED CAO FILE U074A6.DGN PRAIRIE ISLAND NUCLEAR GENERATING PLANT RED WIN(.; MINNE~OTA FIGURE 7.4-16 REV. 18
g 0 G) [Tl

:lE z z 0 a, . -< z I 111 , ""' "'"' 1'"' C I I_ Tl'IMBLE I SE.Ill 111\BLE ;i. En C) 0 )> 9 :!::j ::!! !'1:1 r m Ill 1 1 I~ 0 ;:u m ;!! z I ,. en -I i ;:u C ~I~! s: 111 I I TllrnMnrn11r>I I' Tn b m,.-Tnni, m I I I I I . 1-Tll!MRL~I
~EAL J flllLE *;n z l~i! 6 I I z 0 0 )> C ,, m ;= 11 I "-IP'n.!~I
,,~,~~~I ... , ... ,J TfllMBLE LOW P/!Essur1g SEAL !!I '-r 0 .EB ,, <ii ,, !!! I i I~ l~I I 1 1 I I l~I COMPRE~SION (10LLAR C: 0 ... gi b (;) z I~ I~ "' (C FIGURE.7.6-1 01047869 20 18 16 14 U') r-z UJ 12 > UJ _J <I: r-10 0 r-LL 0 r-8 z UJ u a:: UJ 6 0.. 4 2 -24 10 FLUX MAPS PERCENT DIFFERENCE DISTRIBUTION FOR THERMOCOUPLE DATA 27 THERMOCOUPLE MAPS STANDARD DEVIATION FOR 1377 SAMPLES = 3.43% ---WITH NORMALIZATION FACTORS **************
WITHOUT NORMALIZATION FACTORS ... ... 16 ' .. 8 -4 0 4 PERCENT DIFFERENCE N N 8 % DIFFERENCE
-F -F x 100 -6 H T /C 6 H FLUX N F 6H FLUX PERCENT DIFFERENCE DISTRIBUTION FOR THERMOCOUPLE DATA 12 16 20 24 OWN J.C. SULLIVAN DATE 6-23-99 NORTHERN STATES POWER COMPANY PRAIRIE ISLAND NUCLEAR GENERATING PLANT RED WING MINESOTA SCAL.Ea NONE I CHECl<ED ~E U07602.dgn FIGURE 7 .6-2 REV. 18 WH.J.o. SULLIVAN ECKED 5-PATH ROTARY TRANSFERS-----
VESSEL SEAL REACTOR VESSEL rrrrr,, I I I I I I I I I CORE 0 I I I I I I I I I L.. I j_j_J_ I ...J 1 111 1 I I I I I I I I I I I I I I I 10-PATH ROTARY TRANSFER DEVICES THIMBLE GUIDE TUBES THIMBLE SEAL LINE SEAL TABLE (4) DRIVE UNITS TYPICAL LAYOUT SHOWN TYPICAL ARRANGEMENT OF MOVABLE MINIATURE NEUTRON FLUX DETECTOR SYSTEM (ELEVATION VIEW) DATE 6-23-99 CAD 007603.DGN FILE NORTHERN STATES POWER Cat-PANY PRAIRIE ISLAND NUCLEAR GENERATING PLANT RED WING MDIESOTA SCALE, HONE FIGURE 7 .8-3 REV. 18 A B C D E F G H I J K L M ~) 0 0 C 0 0 0 0 @ @ (g (g 0 () @ @ () @ @ 0 0 0 @ @ @ 0 @ @ 0 0 0 0 0 1 2 3 4 5 6 7 8 q 10 11 12 13 @ = CENTER CORE REGION 0 = OUTSIDE CORE REGION OWN T. MILLER LOCATION OF INCORE THERMOCOUPLES DATE CAO U07604.DGN FILE NORTHERN STATES POWER COMPANY PRAIRIE ISLAND NUCLEAR GENERATING PLANT FED WOO MINESOTA FIGURE 7 .6-4 REV. 23
LEGEND: ;b-TRIAXIAL PEAK RECORDING ACCELEROGRAPH (PASSIVE) 0 TRIAXIAL ACCELEROMETER
-CONTAINMENT BUILDINGS
@ TRIAXIAL ACCELEROMETER -AUXILIARY BUILDING KEY P.S.&E. Co. FUNCTIONAL TITLE APPROXIMATE GRID LOCATION No. TAG No. a 28395 UNIT 1 CONTM. LOW TRIAXIAL ACLRMTR. 25.5/200/697.5/1 REAC. BLDG. b 28396 UNIT 1 CONTM. HIGH TRIAXIAL ACLRMTR. 32.5/190/765.5/1 REAC. BLDG. C 28399 AUX. BLDG. TRIAXIAL ACLRMTR. J.0/9.0/695/AUX.
BLDG. d 28398 UNIT 2 CONTM. HIGH TRIAXIAL ACLRMTR. 29/95/765.5/2 REAC. BLDG. e NOT USED f 28410 AUX. BLDG. TRIAXIAL ACLRGRPH.
J.0/9.0/695/AUX.
BLDG. g 28411 UNIT 1 CONTM. LOW TRIAXIAL ACLRGRPH.
25.5/185/697.5/1 REAC. BLDG. h 28412 UNIT 1 CONTM. HIGH TRIAXIAL ACLRGRPH.
32.5/190/765.5/1 REAC. BLDG. i 28413 UNIT 2 CONTM. HIGH TRIAXIAL ACLRGRPH.
29/95/765.5/2 REAC. BLDG. j 28414 UNIT 2 CONTM. LOW TRIAXIAL ACLRGRPH.
29/95/697.5/2 REAC. BLDG. k 28415 AUX. BLDG. SFP TRIAXIAL ACLRGRPH.
N.8/9.0/755/AUX.
BLDG. I 28416 AUX. BLDG. FAN FL. TRIAXIAL ACLRGRPH.
J.0/9.0/755/AUX.
BLDG. m 28417 TURB. BLDG. GND. FL. TRIAXIAL ACLRGRPH.
C.9/8.4/695/TURB.
BLDG. n 28418 TURB. BLDG. OPER. FL. TRIAXIAL ACLRGRPH.
C.6/8.8/735/TURB.
BLDG. 0 28419 SCRN. HSE. LOW TRIAXIAL ACLRGRPH.
C1.0/8 .8/f,70/SCRN.
HSE. p 28420 SCRN. HSE. HIGH TRIAXIAL ACLRGRPH.
C 1.0/8 .8/f,95/SCRN.
HSE. q 28357 SCRN. HSE. CW PIPING TRIAXIAL ACLRGRPH.
B }9/9 .5/~80.5/SCRN.
HSE. r 28358 SCRN. HSE. CW PIPING TRIAXIAL ACLRGRPH.
C 1.5/9 .7/f,92/SCRN.
HSE. s 28359 SCRN. HSE. CW PIPING TRIAXIAL ACLRGRPH.
C1.5/8 .3/f,92/SCRN.
HSE. t 28364 AUX. BLDG. VC PIPING TRIAXIAL ACLRGRPH.
L.1/7.0/741.5/AUX.
BLDG. u 28365 AUX. BLDG. AFW PIPING TRIAXIAL ACLRGRPH.
H.7/6.9/709.5/AUX.
BLDG. ,..-A ;b-EL. 695' p,M PA SCREENHOUSE
b-._ A EL. 670' SECTION A-A ,..-1/ TURB. BLDG . .-,-CLASS I AISLE --C -------------
.. -------------------------B --D ---E -V AUX. n ,tl:i--EL.
735' SHIELD BLDG. SHIELD I BLDG. I BLDG. \ I m ,tl:i--EL.
695' UNIT 11 UNIT I ----D --C --E SECTION 8-8 PLANT PLAN VIEW UNITII UNITI EL. 765'-6" d EL. 755' EL. 765'-6" b i ,tl:i--0 ,tl:i--0 EL. 735' h % f ,tl:i--C a EL. 697'-6" @) EL. 695' EL. 697'-6" 0 j ,tl:i--g~ SECTION C-C SECTION D-D SECTION E-E I DATE 04-21-05 I I I I ! I DWN VLS SIGNIFICANT NO. I CHECKED GROUP I 1 2 I 3 I 4 I 5 I CLI PROJECT NO. ETNSUR APP'D & CERT. LOCATION OF SEISMIC INSTRUMENTATION CAD FILE: U07901.DGN NORTHERN STATES POWER COMPANY SCALE NONE I PRAIRIE ISLAND NUCLEAR GENERATING PLANT FIGURE 7.9-1 REV. 35 RED WING, MINNESOTA CAD FILE: U07901.DGN 6 0 CD 0 0 U) T"" 0 n C :I: :E m n z "' ;i el :z: r r m :u i? -I m 8 en ;::! I N § (,) I b U) U) i .,, J> ::c :I: J> .... CJ) ::c .... J> rn n .... cnz ' £: 53 CJ z -I CJ) CJ:I: ~zi CJ) C
n u, J> I r -I n :[I rn --; !IC),, C rn o J> -4 z :IE > rn m --; ::c :u ....... j~ 0 z,, z C')~ .,, -< r r 0 J> z C) -I ....... n '11 iq Q J> r C !!1 JI z 0 m z m :-,I ... ... I ... JI ... m SERVICE BUILDING 115 VAC POWER <INVERTER BACKED> (03 / 04 BACKED> REDUNDANT DATA HIGHWAY FROM FEEDWATER CONTROL SYSTEM A B C D El A Fl A I I E2 A F2 A I I TIME I (RESET AFTER DELAY 3D SECONDS) -.-SERVICE BUILDING I I I OUTPUT POWER PANEL
n-, .-n-, CARD INPUT CARDS AMSAC/DSS CABINET SERVICE BUILDING OUTPUT Y POWER cARo I rn, t II I , PANEL A STEAM GENERATOR 1 WIDE RANGE LEVEL B STEAM GENERA TOR 1 WIDE RANGE LEVEL
BLOCK C STEAM GENERATOR 2 WIDE RANGE LEVEL** D STEAM GENERATOR 2 WIDE RANGE LEVEL* E REACTOR COOLANT PUMP 1 BREAKER OPEN *
F REACTOR COOLANT PUMP 2 BREAKER OPEN *
NOTE:THE RESET IS ON ONE CONTROL ROOM SWITCH THE OPERATOR TRIP AND BLOCK CONTACTS ARE ON A SECOND CONTROL ROOM SWITCH *PRESENTLY IN FEEDWATER CONTROL SYSTEM ** NEW 1/0 A ONE CONTACT IS WIRED TO TWO SEPARATE PLC CARDS CONTACTS CSEE NOTE) Tl -TURBINE/DSS TRIP 1 AFW A -START AUX FEEDWATER TRAIN A 99027 T2 -TURBINE/DSS TRIP 2 AFW B -START AUX FEEDWATER TRAIN B

ML18155A451

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