ML24109A098

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1 to the Updated Safety Analysis Report, Drawings
ML24109A098
Person / Time
Site: Monticello Xcel Energy icon.png
Issue date: 04/17/2024
From:
Northern States Power Company, Minnesota, Xcel Energy
To:
Office of Nuclear Reactor Regulation
Shared Package
ML24109A128 List:
References
L-MT-24-002
Download: ML24109A098 (1)
v • d • e


Text

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INSTRUMENT PRIMARY LINE AC IN-LINE FLOW INDICATOR METERING ORIFICE PLATE OR INSULATED UNION INSULATED COUPLING SAMPLE TUBING) RADIATION DETECTOR SAMPLE TEST POINT EXPANSION JOINT TEMPERATURE TCV A B DIAPHRAM OPERATED CONTROL (HAND WHEEL AS SPECIFIED) PACKED STEM (TYPICAL) ELECTRIC MOTOR OPERATED (O-C LIGHT SHOWN ONLY FOR MORE THAN ONE SET) DIAPHRAM OPERATED CONTROL (CLOSES ON AIR FAILURE) (OPENS ON AIR FAILURE) INDICATES DOUBLE PRESSURE CONTROL SELF-CONTAINED PISTON-AIR OPERATED LEVEL LCV 8 PCV D AO FLOW FCV SELF-CONTAINED CONTROL RELIEF AIR SUPPLY DE-ENERGIZED CLOSED ENERGIZED CLOSED HYDRAULIC OPERATED SOLENOID (3 WAY) HO SV MO N.E. CV CV FI FE SN SAMPLE COOLER (ROTAMETER) SAMPLE NOZZLE VAR SC RE SX PSD FM RELEASE VALVE VACUUM AIR (MAY CONTAIN FLOW METER CHECK VALVE EXCESS FLOW RUPTURE DISC TDR TIME DELAY AUTOMATIC CONTROL POSITIONER PNEUMATIC PP L LIGHT ALARM DIGITAL INPUT INSTRUMENT COMPUTER A COMPUTER ANALOG INPUT PT COMPUTER RELAY T ELECTRICAL AND THERMOCOUPLE LEADS INSULATED (ONLY) LINE INSULATED AND HEAT TRACED LINE INSTRUMENT CAPILLARY TUBING PIPE SPEC. CHANGE POSITIVE DISPLACEMENT CENTRIFUGAL LOWER PIPE CLASS THIS WELD IS IN THE NSP CONTROLLED DRAWING NUMBER CONTAINMENT PENETRATION (UNSLEEVED) CONTAINMENT PENETRATION CONTAINMENT PENETRATION WITH INACCESSIBLE WELDS FOR IWE INSPECTION DRAWING REFERENCE DRAWING COORDINATE BURIED PIPE TYPICAL NOTATION PUMPS 7 A B OR NH-XXXXX (D,5) M-XXX INSIDE OUTSIDE (SLEEVED) 6 C30 INSULATED (ONLY) LINES C10 C FIRE PROTECTION SYMBOLS CLOSED OPEN C O FHS LOW HIGH H L D P S C S Px FIRE HOSE STATION 5 FIRE HYDRANT CENTRIFUGAL FAN SPRINKLER ALARM SPRINKLER PREACTION HOSE STATION HOSE CABINET DELUGE VALVE VALVE VALVE INTAKE LOUVER PRESSURE TAP SOLDERED DUCT EXHAUST SUPPLY "Y" TYPE STRAINER FLOW NOZZLE ELEMENT OPEN DRAIN FUNNEL DRAIN SYSTEM ATMOSPHERIC VENT FLEXIBLE CONNECTION EJECTOR OR EDUCTOR INCREASER, REDUCER HOSE CONNECTION (H.C.) BLIND FLANGE (B.F.) CONTROL AIR CONTROL AIR PROCESS AIR (FAIL CLOSED) LOSS OF SUPPLY SUPPLY NH-36032 C D GATE (NORMALLY OPEN) 3 WAY CONTROL VALVE GATE (NORMALLY CLOSED) THREE WAY FOUR WAY ANGLE LOSS OF CONTROL AIR (FAIL OPEN) LEAK OFF SEAL WATER GLOBE VALVE DIAPHRAGM OPERATED DIAPHRAGM OPERATED EXPLOSIVE ACTUATED VALVE GLAND STOP CHECK ANGLE GLAND RV ATM BUTTERFLY FLOW CONTROL STOP CHECK STRAIGHT SAUNDERS TYPE PLUG OR BALL NEEDLE OPERATED BUTTERFLY SWING MANUAL REMOTE CHECK CHECK GLOBE VALVES (ORW) YS XJ FE ST DT AV STEAM TRAP AIR VENT DRAIN TRAP SYMBOLS EXHAUST HEAD CLOSED DRAIN UNION WELD CAP SCREWED CAP 8 CONTROL ROOM POWER SUPPLY SPECIAL ELECTRIC E/S CONTROL ROOM BOARD MOUNTED COMBINATION INSTRUMENT INSTRUMENT BOARD MOUNTED PR TR HAND SWITCH HAND CONTROL PR OR STATION DENOTES TERMINAL NUMBER TRANSDUCER LOCALLY MOUNTED ELECTRICAL PNEUMATIC FOR MULTI-CHANNEL INSTRUMENT OR OR LOCAL BOARD INSTRUMENT LOCALLY MOUNTED LR MOUNTED PS INSTRUMENTATION PROCESS LINE MAIN PROCESS LINE AUXILIARY BOILER CODE PIPING INSTRUMENT CONTROL AIR TUBING MARK No. LINE IDENTIFICATION LETTERS BASKET STRAINER PIPE CLASS LINE NUMBER SIGHT FLOW GLASS BASKET STRAINER SPECTACLE FLANGE INSULATING FLANGE RESTRICTING ORIFICE LINE NUMBERS FD2-10"-DE VALVE SIZE LINES VALVE NUMBERS AND 3"-54 OR PIPE SIZE (DUPLEX) LOGIC RO SYMBOLS BS BS FG IF (SIMPLEX) C18 C08 HS C04 LOCAL BOARD NUMBER (TYPICAL) M.P.L. No. GE-APED HCS E/P (10-120) PI C52 7 6 HVAC SYMBOLS BOARD NUMBER (TYPICAL) CONTROL ROOM CONTROL ROOM (TYPICAL) BOARD NUMBER HS C23 LOW V-DF-XXX C H C FD DX E C HCS C01 PT-1 P/E INSTRUMENT VARIABLE H L H C PO DIRECT EXPANSION COOLING COIL HEATING ELEMENT FILTER HIGH OR LOW EFFICIENCY, FREE AIR PASSAGE ROUGHING FILTER HEPA OR CHARCOAL. BALANCE DAMPER MANUAL SHUT-OFF OUTSIDE AIR DUCT COOLING COIL FIRE DAMPER FIRE DAMPER OR INTAKE TORNADO DAMPER EXHAUST TORNADO DAMPER BACKDRAFT DAMPER MOTOR OPERATED ISOLATING DAMPER OPERATED DAMPER STANDARD MOTOR PNEUMATIC OPERATED MANUAL DAMPER DAMPER HEATING COIL LOW-LEAKAGE UNIT HEATER 5 A.L. - AIR LOCK AUXILIARY PANEL OR RACK NORMALLY ACCESSIBLE TO OPERATOR BEHIND PANEL INSTRUMENT OR NORMALLY INACCESSIBLE FUNCTION PRIMARY CONTROL PANEL NORMALLY ACCESSIBLE TO OPERATOR MONTICELLO NUCLEAR GENERATING PLANT This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. A = SERVICE INLET E = SERVICE OUTLET F = PRECOAT INLET / BACKWASH OUTLET K = SYSTEM DRAIN VALVE M = AIR INLET (PLANT AIR) N = BACKWASH SUPPLY VALVE P = PRECOAT TANK FILL VALVE Q = SLOW VENT VALVE R = RECYCLE, RETURN, RECOVERY, RINSE INLET U = VESSEL DRAIN VALVE V = FAST VENT W = BACKWASH INLET / PRECOAT OUTLET VALVE X = PRECOAT TANK RETURN Y = PRECOAT TANK OUTLET VALVE Z = AUXILIARY TANK OUTLET VALVE VALVE LETTER DESIGNATIONS SHARED DISPLAY, SHARED CONTROL, HMI PROGRAMMABLE LOGIC CONTROLLER FUNCTION COMPUTER FUNCTION (INCLUDING DISTRIB. CNTL. SYS.) 4 XXX XXXX XXXX XX XXXX XXX FOLLOWING VALVE LETTER A, B, C, D, E = VESSEL TAG LETTER 3 XXX XXXX XXXX XX XXXX XXX FIELD MOUNTED XXX XXXX XXXX XX XXXX XXX XXXX XXXX XXX XX XXXX XXX MONTI CAD DWG ` ' NH-36032 REV M-100 SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A - EQUIPMENT (CLOSED) RADWASTE - INDICATED DOUBLE PACKED STEM - ACID WASTE (CORROSIVE, CAUSTIC) - ATOMIC POWER EQUIP. DEPT. OF G.E. CO. - CONNECTION NUMBER ON EQUIPMENT DRAWING P&ID - LEGEND - DENOTES NORMALLY ENERGIZED - DENOTES NORMALLY DE-ENERGIZED - WATER COLUMN STATIC PRESSURE - FURNISHED WITH ASSOCIATED EQUIPMENT - NORMAL WASTE (CONVENTIONAL) - MEETS A.P.E.D. REQUIREMENTS FOR NUCLEAR SERVICE - FURNISHED BY A.P.E.D. Energy NORTHERN STATES POWER COMPANY Xcel 2 21 sm - FAIL CLOSED - FAIL-AS-IS - BACKDRAFT DAMPER - BALANCE DAMPER - AIR SUPPLY - FIRE DAMPER - MECHANICAL ALTERNATOR - INTEGRATOR - FAIL OPEN - LOCK CLOSE - LOCK OPEN = WINTER (CFM) = SUMMER (CFM) = TEMP ROOM WINTER = TEMP ROOM SUMMER = TEMP SUPPLY WINTER = TEMP. SUPPLY SUMMER - SANITARY WASTE - OILY WATER WASTE - FLOOR (OPEN) RADWASTE - REMOTE MANUAL - PLANT PROTECTIVE SYSTEM - SET POINT N.E. - TOTAL W.C.S.P. SW t W. t t t RS RW SS TOT. P.P.S S. SW S.P. OW R.M. NW ORW F.C. L.O. N.D. N. M.A. L.C. F.D. INT F.O. F.A.I. A.P.E.D. CRW D. A/S BDD BD AW L.O. L.C. SCALE: NONE 1 COLOR LEGEND QUALITY GROUP D 81 J A B MISCELLANEOUS INSTRUMENT SYMBOLS TRC RRC PoR FRC LRC PRC CONTROLLER FUNCTION PRESSURE DIFFERENTIAL HYDROGEN ION CONC CURRENT TO VOLTAGE VOLTAGE TO CURRENT TEMPERATURE DIFFERENTIAL TOTAL ORGANIC CARBON LEVEL DIFFERENTIAL HYDROGEN RADIATION DISSOLVED OXYGEN VIBRATION DENSITY SEISMIC SAMPLE SPEED POSITION POWER OXYGEN TEMPERATURE CONDUCTIVITY PRESSURE NEUTRON POWER MOISTURE NEUTRON PERIOD NEUTRON LEVEL FLOW VARIABLE MEASURED dL dT 2 H DI D Sm A Do V S AI R Sp Po Wa 2 O RI SpI PoI 2 O I SpC DC PoC WaC DR SmR VR RR WaR O R 2 RIC METER FI,FG P PI NWa M NP N pH NPI NI MI T F L C dP TI LI,LG CI dPI TYPE INDICATOR PIC PR PC TC dPC FC LC MR NPR NR pHR TR FR CR dPR LR TIC FIC LIC dPIC BLIND RECORDER INDICATING 4 TIS FIS dPIS LIS PIS ADD SUFFIX "E" TO INSTRUMENT SYMBOL (eg FE, TE, LE) ADD SUFFIX "T" TO INSTRUMENT SYMBOL (eg FT, TT, LT) DOIT dLS SmS VS RS SpS PoS 2 O S CIT INDICATING TRANSMITTER RECORDING TRANSMITTERS ELEMENTS PS FSL LSL FSH LSH NS MS TS CS dPS FS LS SWITCH (LOW) SWITCH (HIGH) SWITCHES SpD Spt FITS LITS NA INDICATING TRANSMITTING SWITCH INDICATING SWITCH AMPLIFIER DRIVE Pt PCp NWaCp NCp NWat NPt Nt Tt Ft Lt TCp LCp FCp Tre Fre PERIOD OR RATE OF CHANGE RELAY OR AUTO SELECTOR COMPUTING DEVICE 3 MISCELLANEOUS ABBREVIATIONS: RM VM Sx Sc H AN 2 dTA DOAN 2 O AN dPY PX CM TX FX LX MONITOR TEST POINTS COOLER FY F ISOLATOR SUMMER ANALYZER ALARM E/I I/E CHK: APPR: DWN: APPR: CHK: DWN: CONVERTER 76 77 11951 JJP 3-4-08 RMG 3-12-08 BJR 3-11-08 01121715 11006 AR 4-29-11 DDW 4/29/11 JJP 4-29-11 A/R EC EC 2 REVISIONS 1 C D 10915,11312 APPR: NTM 6-9-13 CHK: DWN: GMP 6-9-13 JJP 6-7-13 78 EC FOOT VALVE MLS MANUAL LOADING STATION 24308 APPR: BJH 11-18-14 CHK: DWN: BAL 9-15-14 JJP 9-12-14 79 EC CLOSED SPACER 25011 APPR: RAD 1-28-15 CHK: DWN: BAL 1-28-15 JJP 1-28-15 80 EC PAGE 3 ADDED TO.PDF DOC. PERISTALTIC 24504 APPR: BAL 4-9-15 CHK: DWN: JCG 4-9-15 JJP 4-9-15 81 EC 81

MONTICELLO NUCLEAR GENERATING PLANT Xcel

MONTICELLO NUCLEAR GENERATING PLANT Xcel

OFF-GAS SAMPLE PUMP RETURN OG1B-10"-HC 1"-130 LOW 2ND STAGE STEAM PRESSURE NH-36159 NX-7993-1-1, 2 & 4 NH-36241 M-115 NX-7823-4-17, 4 & 5 MS-34-2 MS-34-1 MS-33-1 MS-33-2 MS-24-2 MS-23-2 MS-23-1 MS-24-1 NH-36035-2 STEAM FROM PRIMARY M-102 NH-36033 L O C C07 E-1B CONN 5 TO CONDENSER M-104 NH-36035 FROM SV-1083A & B M-103 NH-36034 A 12" B C D C07 1083 HS M-131 NH-36049-3 (A,6) OG1B-12"-HC OG1B-12"-HC 8 (D,8) L O C C07 FROM WEST HALF OF CONDENSER FROM EAST HALF OF CONDENSER A/S M-131 NH-36049-3 (A,6) HS 1084A SV 1084A F.O. 12" N.D. PS9-3"-ED (D,1) (E,3) SV 1084B F.O. N.D. PS9-2"-ED 7 MS-22-2 OG1B-16"-HC MS-37-2 HS 1084B A/S MS-38-2 D109-1"-EF EF MS-32-2 2" F.O. C205 PS9-2"-ED 8 7 MS-37-1 MS-22-1 MS-38-1 EF D108-1"-EF MS-29-1 3/4"-130 MS-32-1 RR30-3/4"-HB 2" F.O. C205 MS-28-1 OG-2-1 12"-V29 12" RS1-3"-GB OG1B-12"-HC RS1-3"-GB RR28-1 1/2"-HC OG1A-16"-HC RR31-3/4"-HB X) CN-142-1"-EN1C RV34-6"-HB SLOPE 6 E-1B CONN 29 TO CONDENSER NH-54817-4 (C,1) TRAP RETURN RECOMBINER STEAM M-104 NH-36035 (D,5) C252 7373B PI EF HS A H C252 ED GB 2" 3" PS9-2"-GB RS1-3"-GB 6" D109-1"-HS C205 RR50-3/4" 4" 5 AIR FROM CONDENSER E-1A M-103 NH-36034 A NOZZLE 1ST STAGE EJECTOR E-2B F.W. M-105 NH-36036 (A,3) 12 1/2" OG-177 HS HB HB HS 3/4" AIR OG1B-16"-HC OG-25-2 OG-26-2 DT 1258 1257 DT 3/4" 3/4" (D,1) RR55-1"-GB 12" MS-27-2 12"-V29 OG-1-2 RV33-6"-HB X) SLOPE TO CONDENSER E-1B CONN 29 M-104 NH-36035 C252 7373A PI EF HS A H C252 ED GB 3" 2" PS9-2"-GB C07 1246 PI D108-1"-HS MS-29-2 3/4"-130 (D,6) 6 RS1-3"-GB 6" C205 4" RR49-3/4" E-2A EJECTOR AIR RR53-1/2"-EF RR30-3/4"-HB HS HB HB HS F.W. M-105 NH-36036 (A,5) 11 OG-1-1 MS-27-1 12"-V29 OG1A-12"-HC 12" A NOZZLE 1ST STAGE RS1-3"-GB 5 1 1/2"-130 1 1/2"-JB D17-2"-HB 1 1/2"-130 OG-40-2 IED PROCESS RADIATION MONITORING SYSTEM NUCLEAR BOILER SYSTEM STEAM SUPPLY REFERENCE DRAWINGS: IED PRIMARY CONTAINMENT ISOLATION SV PS 1178B 1085B OG-67-2 2. 1. 3. A NOZZLE 2ND STAGE TO CONDENSER E-1B CONN. 15 NH-36035 INTER-CONDENSER OG-3-2 MS-25-2 1178A RR54-1"-GB M-104 (A,8) OG1A-16"-HC 1ST STAGE B NOZZLE 12" MS-28-2 12"-V29 OG-2-2 RS1-3"-GB 7991-8 LOOP SEAL RR29-1 1/2"-HC OG-21 2"-V19 TE 2" X) NH-36035 B NOZZLE 2ND STAGE 1085B AO MS-26-2 A L C252 OG-4-2 C205 PS 6" F.C. (A,8) RS1-3"-GB 6" 4 AIR PURGE F.W. LOW 2ND STAGE STEAM SUPPLY PRESSURE M-105 NH-36036 (A,3) HC JB A L C252 C205 NH-54818-1 NH54817-4 (D,4) M-142 NH-36159 HI RAD TIMER (C,8) SERVICE OG-39 1 1/2"-JB 1"-130 OG-37-2 OG30-1"-ED OG-186 OG3-1"-ED SEAL LOOP INTER-CONDENSER OG-176 3/4" OG-40-1 HC JB 1/2" 1ST STAGE B NOZZLE DT 1254 1255 DT TO CONDENSER E-1B CONN. 15 M-104 MS-25-1 OG-25-1 3/4" 3/4" OG-26-1 A NOZZLE 2ND STAGE RS1-3"-GB RR52-1-GB RR53-1-GB 6" OG-3-1 1177A PS C205 OG2-6"-ED M-105 NH-36036 (A,5) F.W. 3/4"-130 HWC-3 A L C252 2"-V19 OG-20 X) 2" OG-67-1 D16-2"-HB MS-26-1 1085A AO F.C. OG-4-1 A L C252 4 6" RS1-3"-GB 1085A SV B NOZZLE 2ND STAGE 1177B PS C205 (D,4) 3/4"-130 HWC-4 OG2-1"-ED NH-54818-1 HI RAD TIMER NH-36159 M-142 NH54817-4 (C,8) OG2-1"-ED X) FOR DETAILS OF SCHEME SEE M-104 (B,1) (NH-36035) This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. NORTHERN STATES POWER COMPANY MONTICELLO NUCLEAR GENERATING PLANT Energy P&ID STEAM JET AIR EJECTORS T-72 SEPARATOR OG-23 2"-JB HIGH MAIN STEAM OG1A-6"-HC OG1B-6"-HC 3 A/S M-131 NH-36049-11 (B,2) OG-22-1 10"-V29 M-131 NH-36049-11 HS 52-104 ROOM IN PUMP LOCATED OG-22-2 10"-V29 M-142 (C,6) OG-189 OG1A-10"-HC A/S 1825A SV (C,2) AO 1825A N.E. 1825B AO F.C. F.C. CLOSE VALVES 1825B SV TRIP PUMP AUTO INIT. DIV I GROUP II N.E. DIV I RADIATION REF. 1,2,3 2 Xcel SERVICE WATER M-110 NH-36041 6"-N14 OG7-6"-ED CONDENSER P-3 VACUUM PUMP MECHANICAL RR42-2" RR48-1/4" NOTE: RR47-1"-HC RR46-1"-HC RR47-1/4"-HC COOLER E-3 SEAL WATER OG6-5" MOUNTED ON TANK ( ) 5" RR46-2"-HC 2452 RR43-1 1/4" LG 10"-26 OG-24 PUMP P-70 RECIRC. SEAL YS 2453 (B,5) OG6-10"-ED 1 1/4" OG-29 OG-43 FILTER F7 OG-188 OG-37-1 7991-9 SJAE ROOM VENT TE X X) 3 OG3-6"-ED OG3-10"-ED M-141 NH-36047-1 (A,5)(B,6) 8"-HC TO RECOMBINER OG3-10"-ED NH-54817-4 (B,1) 2 SERVICE WATER NH-36035-2 MONTI CAD DWG ` ' M-104-1 M-114-1 NH-85509 (B,1) AUTO INIT. GROUP II CONDENSATE SCALE: sm NONE 1 V64-1/4" OG6-10"-HC OG-66 D11-2"-HC MVP TRIP 3/4" 10" X 8" RED. OG6-8"-HC RR45-3/4"-HC OG-42 1"-19 ED HC RR44-1"-HC ON TANK MOUNTED ( ) LCV 1836 V64-10"-HC OG6-10"-GC SLOPE GC ED 52-104 HS HC GC CST-24 YS 1837 1"-19 1"-HB OFF-GAS RADIATION STEAM HIGH MAIN DIV II REF. 1,2,3 NH-36159 LINE M-142 (B,6) DIV II TO REV 83 C A B RMG 3-12-08 15325 JJP 3-15-10 BJR 3-11-08 01121715 JJP 3-4-08 JPC 3-17-10 PEB 3-15-10 16937 BJR 10-21-10 BAL 10-21-10 JJP 10-20-10 NEO 3-8-11 BAL 3-7-11 JJP 3-7-11 REVISIONS 14372 BL 3-10-11 BAL 3-10-11 JJP 3-9-11 CLOSED OPEN 10"-29 OG-28 C-80 POS 3499 POS 3500 POS 3498 APPR: APPR: CHK: DWN: 80 APPR: CHK: DWN: 81 52-104 KS EC EC 17001 77 APPR: DWN: 78 CHK: CHK: CHK: DWN: 79 APPR: DWN: EC EC A/R EC 11951 1 C D 16861 APPR: DZ 4-25-11 CHK: DWN: BAL 4-18-11 JJP 4-18-11 82 EC SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A AO 1084B AO 1084A PI 7246 VRV 1824 FI 3146 PSD 2901 TX 1249 PI 7371 PT 1247 C07 1247 PI ST 1276 CV 1243 E/P 1247 PC 1247 1245 RV FI 3145 TE 7991-7 7991-6 TE 7991-5 TE 1244 RV PC 1246 E/P 1246 CV 1242 PI 7370 PT 1246 ST 1275 TX 1248 PI 7979 APPR: 600000686596 CHK: DWN: 600000677406 JJP 2-19-20 83 601000001601 ADDT'L. 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MONTICELLO NUCLEAR GENERATING PLANT Xcel

CV 3490 CV 3489 FW-90-1 5617-TA1,TA2, FE 8 'B' FEEDWATER TO REACTOR M-115 NH-36241 (A,6) NOZZLE REACTOR C06B-2 NOZZLE REACTOR NH-36037 M-115 NH-36241 (A,2) `A' FEEDWATER TO REACTOR N-4C TO CONDENSER E-1A CONN. 3 M-105 NH-36036 (D,1) FW10-10"-HF TE 7990-23 A B N-4A C D 4382A 4383A SEE NOTE 3, 4, & 5 4382B FE 4383B FW10-8"-DE TE 7990-16 CFW204 dP FT X) FW2A-14"-ED 5617B 5617 FW2B-14"-ED 14"-SpN10 RO 3473 5617A2,B2 TE N-4B D7 1615 TE 10"x8" X) HF CFW152 N-4D C06 P E/S HS RO 2116 DE 1149 1149 PT C06 PR C207 5617-TA3, FW-309-1 1615

TB4, RA3,
TB3, RB4
RB3, RA4,
TA4, FCP ED FE FW-309 BRK DE 1232 FW-201 FW-201-1 FW-308-1 DE MO FW-88-3 RO 3472 FW11-14"-ED FW11-14"-ED ED RO 3002 8'-SP-N116 FW-308 8'-SP-N116 FW-200 14"-SpN10D 1614 HS 8

1614 BRK 4232 MO HB ORW RV37-1"-HB V76-1"-HB FW2A-14"-DE HB HB HB V77-1"-HB FW2B-14"-DE ORW BELOW EL. 951'-0" V77-1"-DE VENT CFW199 CFW200 CFW202 ORW 1"-110 FW-89-2 FW-88-2 FW10-8"-DE FW-200-1 FW-88-1 FW10-8"-DE FE C C C ORW RV38-1"-HB D124-1"-DE V75-1"-DE VENT HB 1"-110 FW-86-2 1"-110 FW-84-2 DE 1"-110 1"-110 FW-85-2 1"-110 FW-83-2 FW-90-2 RV 1147 D123-1"-DE V74-1"-DE FW-84-1 1"-110 FW-86-1 1"-110 HB 7426 4291 DOIT 7427 AIT CIT 1"-110 FW-83-1 1"-110 FW-85-1 1146 RV V76-1"-DE 5617A1,B1 1"-110 FW-89-1 B8 CFW203 dP FT TE 5617A TE DE 7 6 5 C06 1148 TR T CFW146 T CFW148 SEE NOTES 3, 4, & 5 H.P. HEATER E-15A H.I.P. HEATER E-14A FW2A-14"-DE P CFW156 C06 C06F-5 E/S FW2B-14"-DE SEE NOTES 3, 4, & 5 H.P. HEATER E-15B H.I.P. HEATER E-14B NX-7832-3-1 THRU 6 E/S 728E989 P CFW155 FEEDWATER CONTROL C06F-4 C06 SN FW-163-1 FW-161-1 FW-159-1 FW-155-1 FW-153-1 FW-153-2 FW-159-2 FW-155-2 FW-161-2 TO TI-1711 1148B 6-16B SN 1711N 1711L FW2B-14"-DE 14" TE TE TE 1711M 1148A 6-16A 7426 4291 FW-163-2 3032 7427 DO 1711K AE CE SX TE FW2A-14"-DE 14" C213 TE TE TO TR-1148 (D,6) TO TI-1711 PANEL C20 CONTROL ROOM CONTROL ROOM PANEL C20 TO TI-1711 SEE NOTES 3, 4, & 5 1"-110 TB1,TB2, RB1,RB2 RA1,RA2, 7 FT F CFW161 6-50A 6-50B FE 6-11B T CFW147 FT C200B F CFW162 T CFW149 FE 6-11A M-104 NH-36035 (C,2) M-104 NH-36035 (B,2) T CFW151 PT 5302 TE 5008 STEAM STEAM C200B M-103 NH-36034 (B,6) M-103 NH-36034 (C,6) 5301 5007 CFW150 PT TE T STEAM STEAM C200A AC FW2-6"-DE 6-54B TE FW2-6"-DE Po CFW207 Po CFW206 C200A TE 6-54A C213 SX 3031 6 EXTR. STEAM SPILL INTERLOCK TO VALVE CV-1036 BRK 1207 BRK 1231 EXTR. STEAM SPILL 1"-110 1"-110 M-103 NH-36034 (D,4) 6-12A 6-12B C06 POS CFW010 L O C C06 FW2-6"-DE POS 1827 1"-110 1"-110 6"-N10 FW-82-2 FW-80-2 D122-1"-DE FW-81-2 HB DE C06 1134 HS C06 1133 HS TO TI-1711 PANEL C20 CONTROL ROOM TE-1148B POS 1826 E/P 6-13 FW-80-1 FW-81-1 FW-82-1 6"-N10 1"-110 1"-110 ORW 1/2"-7 FW-118 DE HB D121-1"-DE (B,7) FROM VALVE CV-1075 NH-36035 INTERLOCK TO C O NH-119259 TO GEZIP 14"-SpN10 FW-78-2 FW-79-2 CV D120-1"-DE HB DE O C C06 L L 1134 FW-77-2 1"-110 (B,7) MO 1"-110 1"-110 FW-198 FW-199 M-104 (D,5) L O C C06 DE HB FW-117 14"-SpN10 1/2"-7 POS CFW001 CV 6-13 D119-1"-DE CV ORW FW-77-1 1"-110 FW-78-1 FW-79-1 1133 MO FW-67-2 14"-SpN214U FW-67-1 14"-SpN214U 1 1/2"-210 14"-SpN10U FW-68-2 1 1/2" V84-1"-DE FW-251 HB FW2-14"-DE V73-1"-DE FW-74-2 1"-110 FW-73-2 1"-110 FW-110-2 VENTS 1"-110 1"-110 FW-75-2 FW-68-1 14"-SpN10U FW2-14"-DE V83-1"-DE 1"-110 FW-75-1 1"-110 FW-74-1 V72-1"-DE 1"-110 FW-110-1 1"-110 FW-111-1 VENTS FW-73-1 1"-110 HB TE 7990-12 FW-71-2 1"-110 1"-110 FW-111-2 V82-1"-DE ORW 1"-110 FW-72-2 FW4-8"-DE FW-109-2 FW-108-2 1"-110 1"-110 HB V71-1"-DE X) F.O. TE 7990-11 V81-1"-DE ORW 1"-110 FW-72-1 1"-110 FW-71-1 FW-108-1 FW-109-1 1"-110 1"-110 HB V70-1"-DE F.O. FW3-8"-DE X) 5 TE 1711J FW-167-2 MONTICELLO NUCLEAR GENERATING PLANT This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. X) FOR DETAILS OF SCHEME SEE M-104 (B,1) (NH-36035) TRANSDUCERS) AND PIPE TEMPERATURE (FROM THE THERMOCOUPLE THE CROSSFLOW XT SIGNAL PROCESSING UNIT (FCP-5617) USES FEEDWATER VELOCITY AND DENSITY (FROM ULTRASONIC TEMPERATURE ELEMENT) TO CALCULATE FEEDWATER FLOW. FW-167-1 TE 1711H C213 NH-100320 4 (C,1) 3 HYDROGEN INJECTION M-2500 P-2B C201 C201 HYDROGEN INJECTION NH-100320 M-2500 (C,1) TO CONDENSER E-1A CONN. 25 M-105 NH-36036 (E,6) C200A FEED PUMP (HALF-CAPACITY) 1"- FW-66-2 TO CONDENSER E-1A CONN. 26 M-105 NH-36036 (E,6) (HALF-CAPACITY) FEED PUMP 1"- FW-66-1 TE 7990-29 C200A C06 1130 PI PT 1130 C06 1131 PI PT 1131 TE 7990-26 C06 C06B-1 E/S L O C C06 P CFW131 FW2B-14"-DE 8" 8" 1 P CFW130 L O C C06 C06 C06A-5 E/S FW2A-14"-DE 8" 8" FW-185-1 FW-186-1 1 FW4-8"-DE C06 152-204 HS M-106-1 FW-65-2 REACTOR 152-204 P-2B 1"- X) RECIRC. C200B RFP SEALS 12 C C06 152-104 HS M-106-1 RECIRC. FW3-8"-DE REACTOR FW-65-1 P-2A 152-104 1"- X) RFP SEALS 11 C 4 C06 CO6A-3 E/S RV 1128 RV 1129 1 1/2"GB C06 CO6A-4 E/S M-131 NH-36049-3 (D,6) 1 1/2"GB C06 1121 PI C4B-16"-GB PT 1121 C200B FW-64-2* 1"- 1 PS 1123 L 3/4"DE C200A C06 1120 PI PT 1120 FW-64-1* 1"- PS 1122 L 1 3/4"DE P CFW129 1 1/2"-7 FW-61-2 16"-X26 FW-179-2 FW-62-2 1"-130 1" C06 97-9 TDR A/S FE 1103 ORW 1 1/2" F CFW168 C200B FW-179-1 1 1/2"-7 FW-62-1 1"-130 FW-61-1 16"-X26 1 1/2" ORW P CFW128 FE 1100 ORW ORW M-103 NH-36034 (D,5)(C,1)(B,3) POS 1118 16"-X26 FW-58-2 POS 1119 FW-59-2 1"-130 CV-1072, CV-1126A & CV-1126B AND INTERLOCK TO SPILL VALVES M-103 NH-36034 (C,5)(C,7)(B,7) L.P. HTR. DUMP VALVE CV-1051 1 1/2"-210 FW-252 FW-59-1 1"-130 16"-X26 FW-58-1 C200B 1"-19 FW-60-2 FIC 3490 C7-16"-GB C4A-16"-GB FW-60-1 1"-19 EXTR. STEAM VENT GZP-125 FROM GEZIP NH-119259 (C,7) 1 1/2"-7 & CV-1199B AND CV-1033, CV-1199A L.P. HTR. DUMP VALVE CV-1012 EXTR. STEAM SPILL VALVES INTERLOCK TO 3 SX 3029 1"GBD 3/4"-130 CONTAINS STAINLESS REPLACEMENT TUBING. REFER TO MOD. 97Q040. FW-57-2 RV 1113 3/4"-130 1"GBD FW-148-2 3/4"GBD FW-147-2 1"GBD 1"GBD RV 1112 NOTES: 3. 1 2. 1"GBD FW-148-1 3/4"GBD FW-147-1 1"GBD 1"GBD 3/4"-130 FW-56-2 FW-55-2 1"-19 VENT 1"GBD FW-56-1 FW-55-1 VENT 1"GBD 3/4"-130 1"-19 FW-57-1 VENT P&ID CONDENSATE & FEEDWATER NH-36037 REV NORTHERN STATES POWER COMPANY Energy Xcel 2 sm SCALE: NONE 1 93 MONTI CAD DWG ` ' M-106 SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A COULD AFFECT THE CROSSFLOW SYSTEM PRIOR TO IMPLEMENTING CONDENSATE HEATER E-12A FROM L.I.P. M-105 NH-36036 (E,6) CONDENSATE HEATER E-12B M-105 NH-36036 (E,3) FROM L.I.P. SEE NH-36037-3 CHANGES TO THE FEEDWATER SYSTEM CONFIGURATION SUCH CHANGES. DO NOT USE CALCIUM SILICATE (CAL-SIL) INSULATION ON THE PORTIONS OF THE FEEDWATER SYSTEM PIPING NEAR THE CROSSFLOW TRANSDUCERS. CONTAMINATION OF THE TRANSDUCER-TO-PIPING CONNECTION CAN IMPACT THE ACCURACY OF THE CROSSFLOW EQUIPMENT. ACCURACY OF THE CROSSFLOW EQUIPMENT. EVALUATE THE POTENTIAL FOR NOISE AND FLOW PROFILE IMPACTS WHICH DOWNSTREAM OF THE #15 HEATERS COULD IMPACT THE TO TI-1711 NOTE 7 I.P. HEATER E-13A C4A-16"-GB 1"-19 FW-54-1 I.P. HEATER E-13B 1"-19 FW-54-2 C4B-16"-GB TO TI-1711 NOTE 7 (AC AUX L.O. PUMP P-71A) FOR LUBE OIL SYSTEM (AC AUX L.O. PUMP P-71B) R.F.P. P-2B R.F.P. P-2A TX 1109 T CFW145 TX 1106 T CFW144 M-104 NH-36035 (A,2) STEAM STEAM M-103 NH-36034 (A,6) 5. 4. 2 C06 1243 HS C06 4243 HS QUALITY GROUP D COLOR LEGEND REVISIONS 1 AF A B C D FW-154-2 FW-156-2 FW-160-2 FW-162-2 FW-162-1 FW-160-1 FW-156-1 FW-154-1 3/4"-19 POE-1515A VE-1513A VE-1512A VE-1511A VE-1510A TE-1712F TE-1712E ELEMENT TE-1507A TE-1506A TE-1505A P-2A (C-297A) P-2B (C-297B) ELEMENT LS-1520A TE-1508A TE-1509A TE-1712G TE-1712H TE-1712J TE-1500A TE-1501A TE-1502A TE-1503A VT-4135A VT-4130A VT-4129A VT-4128A VT-4127A TE-1504A VT-4135B VT-4130B VT-4129B VT-4128B VT-4127B TE-1504C TE-1503C TE-1502C TE-1501C TE-1500C TE-1712P TE-1712N TE-1712M TE-1509B TE-1508B VE-1513B VE-1512B VE-1511B VE-1510B TE-1712L TE-1712K TE-1507D TE-1506D TE-1505C LS-1520B POE-1515B SEE TABLE FOR SENSOR ELEMENT AND COMPUTER-POINT-

SUMMARY

FOR ASSOCIATED COMPUTER POINTS. CONDENSATE AND REACTOR FEEDWATER TEMPERATURE AND VIBRATION MONITOR VC PLC-VMS-04 (RFP-C06 A H P-2B) PLC-VMS-03 P-2A) (RFP-H VC C06 A MULTI 1712 TR C20 A C06 H (RFP P-2A) (RFP P-2B) C06 A H (COND P-1A) (COND P-1B) C06 A C06 A H H C297B C297A (E,1) NH-36036 M-105 MATERIAL UPGRADES IN LINES C4A/B-16"-GB, FW2A/B-14"-DE SEE ISOMETRICS NX-13142-1, NX-13142-2, NX-13142-52, NX-13142-53 AND NX-13142-135. AND FW3/4-8"-DE TO ELIMINATE HELB CRACKS. 6. ORW ORW C06 1103 HS 3490/P CV BREAKER TRIP FT 3490 FT 3490-1 FIS 3490 C200B TO TDR 162-204 (B,4) TO TDR 162-204 (B,4) FROM TDR 162-204 TRIP OUTPUT (B,4) QUICK TRACK III REF. NX-236624-6-2 C06 162-204 TDR FROM PS-1123 (B,4) (B,3) FIS-3490 FROM (B,4) TRIP 3489/P CV A/S C06 1100 HS BREAKER P-2A TRIP QUICK TRACK III REF. NX-236624-6-2 (C,4) PS-1122 FROM 162-104 (C,4) TRIP C06 TDR FROM (C,3) FIS-3489 C200A C200A 3489-1 3489 FT FT C200A TO TDR 162-104 3489 (D,4) FIS 162-104 TO TDR (D,4) FROM TDR 162-104 TRIP OUTPUT (D,4) FIC 3489 F CFW167 M-131 NH-36049-3 (D,6) C06 97-8 TDR ORW ORW 2" DE DE 1" 2" A DET.1 FW-186-2 FW-185-2 B DET.1 ORW ORW ORW C557 CV 6-12B/P 6-12A/P C556 CV 1"-110 FW-271-2 B DET. 1 (FW WARMUP LINE) FW-270-2 1"-110 RO 1133 1132 RO TO FW4-8"-DE FW-270-1 FW-271-1 1"-110 1"-110 FW-275 3/4"-110 3/4"-110 FW-274 3/4"-110 FW-276 3/4"-110 FW-277 3/4"-110 3/4"-110 FW-273 FW-272 A FW3-8"-DE TO FW12-1"-DE FW12A-1"-GB FW12A-1"-DE FW12B-1"-GB FW12B-1"-DE ABANDONED-IN-PLACE. 7. NOTE 7 NOTE 7 NOTE 7 NOTE 7 3/4"-130 FW-185-6 3/4"-130 FW-185-5 24204 APPR: WS 5-18-15 CHK: DWN: BAL 5-18-15 JJP 5-18-15 89 EC 26537 APPR: CWB 12-16-15 CHK: DWN: BAL 12-15-15 JJP 12-10-15 90 EC 25778 APPR: SJH 3-2-17 CHK: DWN: BAL 3-2-17 JJP 3-1-17 91 EC C4B-20"-GB 6MODMMO27316 APPR: 600000528232 CHK: DWN: 600000528256 JJP 4-15-19 92 C200B 1 1 L PS 1124 L PS 1125 APPR: 600000686596 CHK: DWN: 600000677406 JJP 2-19-20 93 601000001601 ADDT'L. PAGE ADDED TO.PDF DOC.

M-138 TO CRW NH-36044 (B,6) 2" 2" NH-36044 (B,6) TO CRW M-138 A 6 B 5 4 C D NH-36038 E 6 5 4 REFERENCE DRAWINGS: 3 2 1 A B 3 2 C D REVISIONS 1 E NH-36038 MONTI CAD DWG ` ' This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. SCALE: NONE M-107 T Xcel NORTHERN STATES POWER COMPANY MONTICELLO NUCLEAR GENERATING PLANT Energy sm P & ID CONDENSATE DEMINERALIZER SYSTEM REV 85 TANK T-7A DEMINERALIZER CONDENSATE 72" ID x 7'-7" STR. 4" 4" 4" 4" 6" MA CV 2206 AO 2256 DPS 2211 PT 2216 EA 10" PI 2216 AO 2261 WA 8" C4-14"-GC FWD-85-1 FWD-85-2 14" 10" FWD-101-1 DPT 2231 FWD-79-1 FWD-79-2 BS 2226 FWD-9-1 10" RT26-3"-HC SV 3320A 1/2" IA 1/2" FWD-103-1 1/2" FWD-30-1 YS 3319A 10" FWD-1-1 C9-4"-GC C9-3"-GC FWD-2-1 FWD-102-1 HA AO 2246 AO 2241 6" VA 1" QA FWD-100-1 V20-1"-HC SA4-8"-GC 10" FWD-31 SA4-6"-GC V20-6"-HC C3-10"-GB RV 8011 FE 2206 FT 2206 AO 2236 8" AO 2271 FA AA 8" UA AO 2276 RT8-8"-GC RT3-8"-GC RT2-8"-GC 3/4" 10" FWD-36 C4-10"-GB FWD-37 V20-8"-HC C4-10"-GB SA4-6"-GC TANK T-7B DEMINERALIZER CONDENSATE 72" ID x 7'-7" STR. AO 2247 AO 2242 6" VB 1" QB FWD-100-2 V20-1"-HC V20-6"-HC RV 8012 4" 4" 4" 4" 6" MB AO 2257 DPT 2212 PT 2217 PI 2217 C4-14"-GC FWD-86-1 FWD-86-2 14" 10" AO 2262 WB 8" CV 2207 EB 10" FWD-101-2 DPT 2232 FWD-80-1 FWD-80-2 BS 2227 FWD-9-2 10" RT27-3"-HC YS 3319B 10" FWD-1-2 C9-3"-GC 10" FWD-32 C3-10"-GB FE 2207 FT 2207 AO 2237 8" AO 2272 FB AB 8" UB AO 2277 RT8-8"-GC RT3-8"-GC RT2-8"-GC FROM BODY FEED SYSTEM PRECOAT RETURN/ BACKWASH INLET M-107 NH-36038-3 (C,2) TO CONDENSATE BACKWASH RECEIVING TANK T-33 M-141 NH-36047-1 (B,6) FROM PRECOAT HEADER M-107 NH-36038-3 (B,2) HS 5103 MCC-151 HS 5103 HS 5104 MCC-151 HS 5104 HC GC HC GC GC HC GC HC GC GB GC GB FWD-57-1 GB GC GB GC GB HC GC HC GC HC GC HC GC HC GC BA HC GC BB GB GC GB GC RT3-8"-HC RT2-8"-HC RT8-8"-HC HOLDING PUMP P-12A 249 GPM, B5103 HOLDING PUMP P-12B 249 GPM, B5104 PRECOAT RETURN/ BACKWASH INLET M-107 NH-36038-1 (B,6) TO PRECOAT HEADER M-107 NH-36038-1 (A,6) M-107 NH-36038-1 (A,6) M-107 NH-36038-1 (B,6) M-107 NH-36038-1 (D,6) M-107 NH-36038-1 (D,6) M-107 NH-36038-1 (D,6) M-107 NH-36038-2 (E,6) CE 2322B CIT 2322B CI 2322B CE 2322C CIT 2322C CI 2322C N.O. N.O. N.O. SX 1765 SX 1766 C213B C-80 C-80 C213B C-80 C-80 C CDM101 C CDM102 NH-36829 (B,8) M-144 NH-36829 (B,7) M-144 2206 E/P LATCH S S 2207 E/P LATCH S S DPAH 2211 DPI 2211 H DPT 2211 DPS 2212 DPAH 2212 DPI 2212 H DPS 2232 DPAH 2232 DPI 2232 DPS 2231 DPAH 2231 DPI 2231 CSH 2322B CAH 2322B CSH 2322C CAH 2322C 2206 FAL 2206 FSL I 2206 FQS 2206 FIC FQI 2206A FQI 2206B FIK 2206 2207 FAL 2207 FSL I 2207 FQS 2207 FIC FQI 2207A FQI 2207B FIK 2207 SEE GRAVER PROPOSAL/WORK ORDER FOR EXTENT OF EQUIPMENT FURNISHED BY GRAVER. LEGEND - SEE NH-36032 VALVES AND INSTRUMENTS MARKED WITH "**" ARE NOT PROVIDED BY GRAVER. ONLY PIPING ON ADVANCE PRECOAT SKID BY GRAVER. ALL ON/OFF AUTOMATIC VALVES HAVE 2 LIMIT SWITCHES. NOTES: 1. 2. 3. 4. 5. (C,5) TO E/P-2206 (C,3) TO E/P-2207 (D,3) TO FIC-2206 (C,1) TO FIC-2207 FWD-41 1" FWD-57-2 GB FWD-42 1" C4-24"-GB C3-24"-GB 3/4" FWD-58-1 FWD-58-2 FWD-8-1 FWD-8-2 FWD-29-1 FWD-29-2 SV-2206-2 SV-2206-1 SV-2207-2 SV-2207-1 INSTRUMENT AIR (IA) SUPPLY (NH-36049-11). 6. FROM C9-4"-GC SV 3320B 1/2" IB 1/2" FWD-103-2 FWD-2-2 FWD-102-2 HA N.O. 1/2" FWD-30-2 NH-36049-11 (C,4) M-131 NH-36049-11 M-131 (C,4) FY 2207 FY 2206 FWD-85-3 FWD-86-3 SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A 7. CONTROL VALVES INSTALLED WITH FLOW ARROW POINTING TOWARD DEMIN VESSEL (EC-18312) BY DESIGN. SEE NOTE 7 SEE NOTE 7 23794 APPR: CLT 4-3-14 CHK: DWN: BAL 4-2-14 JJP 4-2-14 84 EC 8. THE "U" AND "W" AO VALVES ARE PINNED CLOSED PER B.06.06-05 AND 2154-33 DURING NORMAL OPERATION DUE TO INTERNAL FLOODING CONCERNS. SEE NOTE 8 SEE NOTE 8 SEE NOTE 8 SEE NOTE 8 24059 APPR: JCG 5-28-15 CHK: DWN: BAL 5-28-15 JJP 5-28-15 85 EC 85 85 85 85

2314 FWD-53 2" NH-36044 (B,6) TO CRW M-138 DPT 2235 DPS 2235 NH-36038-2 TO CONDENSATE BACKWASH RECEIVING TANK T-33 FROM PRECOAT HEADER A B C D E C4-10"-GB NH-36049-11 SV-2210-1 PRECOAT RETURN/ NH-36038-1 (A,1) BACKWASH INLET NH-36038-1 (A,1) NH-36038-1 (A,1) M-107 M-107 M-107 6 2322F CAH CDM105 2322F C-80 CI 2322F 2322F CSH C-80 CIT TO FIC-2210 M-131 (C,3) C (D,4) SV-2210-2 NH-36829 (B,4) C213B M-144 CE 2322F SX 1769 S 2210 E/P S LATCH DPAH 2235 FWD-8-5 DPI 2235 PI 2220 FWD-83-2 BS 2230 10" 10" 2210 CV FWD-40 EE GC GB SA4-6"-GC NH-36038-1 (D,1) NH-36038-1 (D,1) NH-36038-1 (D,1) M-107 M-107 M-107 NH-36038-1 (E,1) M-107 6 C4-24"-GB SA4-8"-GC V20-8"-HC C3-24"-GB 1/2" IE 1/2" FT FE 6" FWD-2-5 HOLDING PUMP P-12E 249 GPM, B5108 RT3-8"-HC RT2-8"-HC RT8-8"-HC 5 RV 8015 FWD-100-5 C4-14"-GC FWD-89-1 FWD-101-5 WE PT 2220 GB FWD-83-1 GC FWD-9-5 RT30-3"-HC AO 2265 BE GC HC 10" H 2215 2260 6" ME AO 2215 DPS DPAH DPI 2215 DPT 2215 4" 4" 4" 4" HC GC FWD-1-5 FWD-89-2 RT8-8"-GC 8" GC HC C9-4"-GC N.O. 14" DEMINERALIZER CONDENSATE TANK T-7E 72" ID x 7'-7" STR. 4 FWD-45 2240 AE FWD-89-3 FWD-102-5 C9-3"-GC 10" RT3-8"-GC UE 2280 AO 8" N.O. HE 2245 GC 2250 VE AO AO HC 1" QE AO V20-6"-HC 3319E GC FWD-103-5 RT2-8"-GC GC HC 8" AO 2275 FE FWD-35 FWD-57-5 GB 10" 1/2" GB 2210 1" C3-10"-GB 10" YS FWD-30-5 2210 V20-1"-HC 5 (C,3) FROM AIR SURGE TANK M-131 NH-36049-9 NH-36036 (B,6) 4 RFP SEAL M-105 SYSTEM C213A C213A TO E/P-2210 2210 FQS 2210A SV 3320E MCC-151 HS 5108 HS 5108 FY 2210 I 2210 FSL FAL 2210 FWD-29-5 2210 2210 FIC 2210B FQI FQI FIK (C,6) DOAN 3102 CDM108 3102 C DOIT 3 NH-36036 (B,4) PACKING EXHAUSTER NH-36038-1 (B,1) TO STEAM M-107 M-105 TO 2322G2 C213A CE FWD-60 FWD-51 FWD-24 FWD-61 FWD-25 FWD-113 3/4" NH-36829 (D,6) CDM107 RAW M-144 CDM505 C C DPAHH 2316 C213A (SEE NOTE 1) C14-21 2 "-GB COND. INJ. LINE NH-236609 (D,6) 1/4" TUBING FW-310 20" BYPASS FAI FW-87 AO 1740 B FW-121 dPT 5400 SX 1302 DOE 3102 CDM100 C06 E/S C06H-4 P C213A 2322G1 CE DPI I 2316 DPS 2316 FWD-78 3 FWD-77-2 FWD-96 C-80 2322G CIT CSH 2322G DPT 2316 DPAH 2316 DPSH 2316 2315 C-80 2322G CI PT CAH 2322G DPAHH 2316 DPSH 2316 2314 FWD-77-1 1/2" (TYP.) PT PI This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. NORTHERN STATES POWER COMPANY MONTICELLO NUCLEAR GENERATING PLANT Energy P & ID CONDENSATE DEMINERALIZER SYSTEM NOTE PCV 2318 CST-116 3/4"-19 1" L80A/19 AGITATOR 2 RV 4398 4398 PSD SET AT 434 PSI RUPTURE DISC 3/4" 3/4" PI 4264 DPS-2316 INTERLOCK & AO-1740 4398 BODY FEED PI PUMP B5111 3/4" 1" P-14 1" REFERENCE DRAWINGS: Xcel FI 4396 S-55 4397 MCC-151 5111 1/2" FWD-56 5111 HS FWD-115 PI CST-115 BODY FEED TANK FWD-64 FWD-54 FWD-20 1"-325 1/4" HS S-9 M FWD-21 1/4" 100 GAL. T-9 FWD-62 3/8" 1/2" 1. CST-192 PCV 4405 CST-191 FWD-116 FWD-63 1/4" LCV 4394 2317 LG 4395 PI 1/2" FWD-65 3/4" C-80 2322A2 C3-24"-GB 2322A1 C213A C213A 1/4" TUBING 2315 PI CE CE SX 2768 RAW C4-24"-GB C-80 CIT 2322A 2322A CSH CI 2322A CDM106 C CDM504 C 2 NH-36829 (D,8) M-144 HS 2322A CAH TAH 2313 FWD-55 2313 TI NH-36038-2 MONTI CAD DWG ` ' M-107 SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A FOR ADDITIONAL AO-1740 DETAILS, SEE NH-36038-4 (AO-1740 CONTROLS) SCALE: sm NONE 1 CONDENSATE NH-85509(B,1) NH-85509(B,1) CONDENSATE 3/4"-HB 1" SERVICE M-114-1 SERVICE M-114-1 REV G 86 A B C EJS 5-18-11 DDW 5-18-11 JJP 5-18-11 REVISIONS 18294 DDW 6-20-11 AWL 6-20-11 JJP 6-20-11 NH-36036 (A,4) TO CONDENSATE BACKWASH RECEIVING TANK T-33 TO FEED WATER HEATERS CONDENSATE OUTLET CONDENSATE NH-36036 (A,4) NH-36047-1 (C,6) M-105 M-141 TT TE 2313 2313 M-105 FROM CHK: APPR: APPR: CHK: DWN: 82 DWN: 83 1 EC EC 18171 D E 18312 APPR: RKJ 11-15-11 CHK: DWN: WGN 10-12-11 JJP 10-6-11 84 EC SEE NOTE 7 23794 APPR: CLT 4-3-14 CHK: DWN: BAL 4-2-14 JJP 4-2-14 85 EC SEE NOTE 8 SEE NOTE 8 24059 APPR: JCG 5-28-15 CHK: DWN: BAL 5-28-15 JJP 5-28-15 86 EC 86 86 86 86 NOTE 2

2. FWD-96 WHITEY VALVE PER EC8143.

86

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~* I/ REVISIONS 117 601000001727 DWN: JJP 10-15-19 CHK: 600000612539 APPR: 600000599227 118 601000001846 DWN: JJP 12-13-19 CH K: 600000640326 APPR: 600000631250 119 601000001771 DWN: JJP 7-30-20 CHK: 600000757746 APPR: 600000693524 120 601000002805 601000002907 DWN: JJP 11-9-21 CHK: 600000936547 APPR: 600000936546 121 601000002083 E f--L--{":aJ---'-r--l....-J GEN. H2 COOLER E-BAL!n EMERGENCY WATER TO CONDENSER E-1A HOTWELL 1i3 I SW-147 I !53 r 18 -418, 1-3 ESW4-3" -HBD , J"X:{, V-EAC-14A 3~' t1 '.\\ ' :_ / ESW1 -3" -HBD P-111 C 6" SW-32-1 r 4 -150 ISW-31-1 ( 4" -54 ISW-32-6 l~W-184-1 1 1/2" L. /Tl\\ r---t.*t--_-, \\!._582 ISW-32-2 (4**-150 ,,,..,.,,,,"'s"'w--,1.a9"4--,2;;i1 I I

  • > VENT GEN. H2 COOLER E-8B@_

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  • "SW-301 I

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  • "r" n 12 156l n 12**-156), * /Fl\\

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  • *t1t2**-55J 3*

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  • 7 (3/4.. 65)

~ 5 4 4* 3* gJ I l"i1 ~ ,I iil '----'....::..:.:....:..._..:..___c;:.;;__JL--'-{)<firD-i>~ CONDENSER M 811 ) ~--,,.. ~ ~ I (DIV I) ~-32 v ~ NH-36665 TURB BLDG I EFT BLD~ ESW-9 ESW-4 I ESW-34 I (D,4) 3"HBD-GT) I ESW-34-1I NOTE 4 C 1"'-65 ) I SW-48 I ~- L: - DWN: JJP 11-16-21 CHK: 600000940143 APPR: 600000789260 122 601000002907 DWN: PRN 07-21-22 CHK: 600001032653 APPR: 600001032652 123 601000003585 601000000439 DWN: ATC 02-28-23 CHK: 600001089599 APPR: 600001089611 I SW-53-1

1.

'7 ISW-217-2I 1" 1" I SW-197 I ISW-218-2I r 5* ,---t--=-----1><::J-----:;:;::::::::::;:::=:::;:;--;::;:::::::::;::::;::::::;:;--1------l--=-----1: r-lSW-214-2I ISW-215-2 7 <X) ~ "v"" ~ -..- ~ ISW-213-2I;;:,. 11Lo (FG\\ tl

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3/4: !~ 3/4"-65 l ISW-214-1I ~W-215-1 '!.t-J

,-----___.!:IS~W~-~19=0-~2;/I I SW-192 I ... I 3* ~.. -- ~ ISW-213-11;;:,. 111.., (FG\\ ISW-193I I SW-127 I CY-150) CONDENSER WATER FOR OFFICE ADDITION CHILLER SEE DWG NH-87125 (t.t10) 3" OFFICE BLDG V-CH-5 AC CHILLER --j UNIT V-CH-1 ___J ~I M-149) NH-36261 (E,4) M 110 2 > TO SERVICE WATER DISCHARGE NH-36041-2 (D,6) .A TL 8 ~ 11L*I 1 1, 1* 11/2""-, \\- \\ SW-207-1 '~ J 1/2*_ 1" P-2A LO. 1"-112 1/2"__:- -C...,C><,J-D _--1 COOLER - 2* ( Tl \\ SW-65-11 \\1§2 ISW-206-1I I SW-126 ( 3**-54 L - 1-----f,X,H (1 1 /2"-65) I SW-128 SW-64-1 1 112 -65 REACTOR BLDG A.C. UNIT V-AC-9 CHANNEL VENT 3/4" -JF lYP Lin (1 1/2"-156) SW-129 I s ISW-278I ~69 11/2" x 21/2" 1104, * ,./'" ISW-148-31 aP t12'"-418J, * (lYP--'-) --'--C-':li.' , V'"",'Tl\\ (3/4"-156) r TYP f942 I SW-131-3I, 1 H--1*x*1--7 _ _,_-1*~ rtffi, I,, ~6

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  • 1 12.-

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  • r~V\\

ISW-277I IJ~, 1'i \\.1~03, r /[SW-148-21 aP ( 12*-415 )'\\, r--:---C-'":f..k ' l/ ITI\\ r941 ISW-131-2I, l -,', tIB, I, 1555 A (B,6) I: * - - '\\ ISW-53-2I <M 146) RAW2 NH-36348 1 1/2" JF - .,2"-JF (A,6) I SW-258 I NOTES: 1. BRASS OR BRONZE TRlt.t.

2. ORANGE LINES ARE INTERNAL FLOODING RELAlID.
3. SS VALVE 6EQVENG27005.

4" 4_ rrD cn4 11-. rni;i uA1\\c unr.~1 c:: ~ ~- ECR 601000003585 FOR VALVE MODELS. \\ I SW-290 I \\L~ H.S. I~sw=--2=8=s~I ISW-291 y COLOR LEGEND -,"'.Sl./l CU<:S '/0-;UIY Cf,:OLI-,,:, H--i~x-~-;---'--111 " "~-"-=--'-------~--~*,,,,,- ~, 1 1 \\ E.::51, 1,, 12- ~

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  • l'. ~

I SW-276I 7 \\.402 *v1SW-148-1I aP [ 12°-418 l ~, ~ '----l:(M-112) -sA.T-r TAT--, '-,IICIIAJIIC.A NH-36664 -SAF£TY RELATED ELECTRICAL A ~-__!(~A,~3) ______________ _!:!-~~~~~~~ITTM!:::!j ,-k ITI\\ r940 ISW-131-1I, l ~ rb-,~... -t--+---D<~::t---:--:--il-'-,', rr m> I,, ~ 4 _tll - / 0 - \\! 11 ~ VC_tj~~NEL DRAIN 1 I SW *14;* 7 1r....;;;._ sw-25 I SW-130-1 lYP ~ (12"-541 (1"-65 1:-JFTYP ,JL 1 [3/4-156) '~ ~ I SW-148-6 I SW-132-1 I l~s=w~-~14~8--~4-r I I SW-148-5 I oRW r 3, 4 - 156 ' --..____.............. c314**-155J REACTOR BLDG C.W. HEAT EXCHANGERS ToRW I sw 148 B 1 This map/document is to assist employees in the performance of their jobs. M-11 Q Your personal safely is provided for by using safely practices, procedures and equipment as described in safety training programs, manuals and SPAR's.,..,.M.,.,O.,.N"'T,,...I...,,C""A"'D-D""W.,.,G,,-,....,A.,.T" P&ID SERVICE WATER SYSTEM ~ Energy-SCALE: NONE REV 123 NORHRN STA1ES POIIER COIIWfY NH 36041 t 3 2 1

ACCESS CONTROL COMPUTER RM V-AC-13C V-AC-13D V-CH-2 V-E-12A X X OFFICE BLDG V-E-12B SEE NOTE #1 TYP INTERNAL REFRIGERANT RELIEF VALVE SW-240-1 A B 8 DEMINERALIZED WATER NH-36039 M-108 (E,4) M-134 NH-36048 (B,8) (TYP OF 3) ACCW-5-3 2" SW-92-2 SW-93 3/4" D. 2-1/2" 2-1/2" SW-240-2 PS 4286 3" 4285B MO 3" 2-1/2" ACCW-12S-3"-JDD 2" ACCW-5-2 2" ACCW-5-1 ACCW-4-1 ACCW-4-2 3" 3" V 3" 3" 4"X3" 4"X3" D D TE X X X 4"X3" TE X D D X X 4"X3" NH-36041-2 C D M-110 NH-36041 (C,3) BLDG REACTOR OFFICE BLDG SW-92-1 3" 4285A MO 3" 2 1/2" SW-188 SW-137 SW1-3"-JF 2" SW-285 SW-120 3"-54 1 1/2" 3/4" 1 1/4" SW-203 SW-221 SW-287 1" SW-201 1" 1" 8 SW-242-1 SW-241-1 ACCW-1-1 ACCW-1-2 ACCW-6-3 DRAIN TO SANITARY SEWER SYSTEM (NF-36571) JD 7 V-AC-12C JD 5/8" 1/4"-JD RV D 1" JB D 1"-JB D 1" 6 2" TICV 9316A ACCW-6-1 SW-243-2 9316B TICV ACCW-6-2 V-AC-12A V-AC-12B 1" D 1" D D 1" 1" D 4"X3" 4"X3" X X X X X X X V X X X 4"X3" 4"X3" ACCW-2-2 ACCW-3-2 SW-241-2 X X V X X X ACCW-2-1 ACCW-3-1 X X X X X 2" 2" V-P-12A SW-242-2 V-P-12B 3"X2" 3"X2" 3"X2" 3"X2" 5 SEE NOTE #1 (TYP) V-ET-12 ACCW-12R-3"-JDD D V SIGHT TUBE LIQUID LEVEL REACTOR M-110 NH-36041 (A,3) SW-288 SW-200 SW-243-1 1 1/4" SW-121 3"-54 V-CH-4 V-CH-6 4687 3/4" CV SW-286 1" 1 1/2" BBA RM SAS RM 4686 SW-220 CV SW-202 SW-189 2 1/2" SW5-3"-JF SW-138 BLDG OFFICE BLDG 7 6 SW5-3"-HBD 5 MONTICELLO NUCLEAR GENERATING PLANT This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's.

1. ALL VENTS AND DRAINS ARE FITTED WITH 3/4" HOSE BIBB VALVES.

4 3 NOTES: 4 3 SHT 2 OF 2 NH-36041-2 M-110-2 REV MONTI CAD DWG ` ' SERVICE WATER SYSTEM P & ID NORTHERN STATES POWER COMPANY Energy Xcel 2 sm SCALE: NONE 1 79 D A B BJR 3-11-08 CHK: DWN: CHK: APPR: APPR: 77 JJP 3-30-10 15913 RMG 3-12-08 BAL 3-31-10 CER 4-23-10 EC 2 DWN: 76 11951 JJP 3-4-08 01121715 1 REVISIONS A/R EC C D (TYP OF 3) (TYP OF 3) SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A 22433 APPR: NEO 8-21-13 CHK: DWN: BAL 8-20-13 JJP 8-20-13 78 EC ACCW-6-4 ACCW-5-4 26170 APPR: NTM 10-6-15 CHK: DWN: SDP 10-6-15 JJP 10-6-15 79 EC 79 79

Xcel MONTICELLO NUCLEAR GENERATING PLANT

CW7-1"-HF 80-2 RBCC-7 A 8 RBCC-4"-142 19-1 2"-130 RBCC-21-1 B RBCC-21-2 4"-142 RBCC-19-4 2"-130 RBCC-51 CW4-8"-HF RBCC-4"-142 19-3 RBCC-77 54-4 RBCC-56-1 55-1 54-1 6 ORW 18-1 4"-237 RBCC-1" 2-2-23A L FS RV 1724 CW4-4"-HF RBCC-57-1 1/2"-130 RBCC-RBCC-RBCC-TE 1720D CW4-2"-HF B

  • ORW 5

(C,3) TE 1720H DRYWELL COOLER 2 1/2"-340 V-CC-1 TYP M-117 NH-36243-1 (B,2) 12 TR-1720 TO RECIRC. PUMP P-200A ORW RBCC-3/4"-65 53-1 CW3-4"-HF RBCC-52-1 1/2"-130 B ORW CW3-2"-HF E-25 56-3 55-3 54-3 55-4 56-4 DRYWELL EQUIP DRAIN SUMP HEAT EXCHANGER L FS ORW ORW RV 18-4 RBCC-4"-237 1" 1727 2-2-23B 2"-130 RBCC-17 1" RV 1723 CW4-4"-HF RBCC-1/2"-130 57-4 RBCC-RBCC-TE 1720G TE 1720C TR-1720 (C,3) ORW 18-3 4"-237 RBCC-1" RV 1726 CW4-2"-HF B

  • RBCC-RBCC-RBCC-CW4-4"-HF RBCC-1/2"-130 57-3 TE 1720F M-117 NH-36243-1 (B,6)

TE 1720L 2 1/2"-340 DRYWELL COOLER TR-1720 (C,3) V-CC-4 TYP 12 M-138 NH-36044 (E,3) ORW 3/4"-65 RBCC-53-4 CW3-4"-HF RBCC-1/2"-130 52-4 V-CC-3 2 1/2"-340 PUMP P-200B TO RECIRC. TYP TE 1720K DRYWELL COOLER (C,3) TR-1720 ORW B RBCC-3/4"-65 53-3 CW3-2"-HF ORW ORW CW3-4"-HF RBCC-1/2"-130 52-3 7 89-2 C D MO 1426 82-2 X-24 RBCC-81-2 RBCC-RBCC-83-2 4"-142 RBCC-19-2 MO-8"-N29AB 86-2 84-2 RBCC-RBCC-85-2 RBCC-RBCC-87-2 C06 MO 4230 HS 1426 C06 4230 HS RBCC-79 CW6-1"-HF NH-36042-2 8 RBCC-M-111 NH-36042 (D,5) 88-2 RBCC-M-121 NH-36247 (E,2) FG 2349 14-1 RBCC-54-2 55-2 56-2 FG 2352 ORW 18-2 RBCC-4"-237 1725 1" RV CW4-4"-HF RBCC-1/2"-130 57-2 RBCC-RBCC-RBCC-TE 1720E 14-4 3/4"-130 RBCC-14-2 RBCC-3/4"-130 FG 2350 14-3 RBCC-3/4"-130 FG 2351 3/4"-19 RBCC-TE 1720J 2 1/2"-340 DRYWELL COOLER TR-1720 (C,3) V-CC-2 TYP P-202D (10-3D) TO RHR PUMP 14 ORW 3/4"-65 RBCC-53-2 CW3-4"-HF RBCC-1/2"-130 52-2 13-4 RBCC-3/4"-19 RBCC-3/4"-19 P-202C (10-3C) TO RHR PUMP P-202B (10-3B) 12 13 TO RHR PUMP P-202A (10-3A) TO RHR PUMP 11 13-2 13-3 90-2 RBCC-3/4"-130 6 3/4"-19 RBCC-SEE RHR PUMP VENT & DRAIN DETAIL (TYP) 5 13-1 4 3 RBCC-HS 1427 MO-4"-29 1427 MO 3344 C25 2"-19 20-1 2 50 1430 MO-4"-29 1430 HS C25 MO 4345 2"-19 RBCC-16 RBCC-RBCC-RBCC-MO-4"-29 1429 HS 1429 MO C25 3345 2"-19 20-2 CW3-8"-HF RBCC-76 81-1 80-1 RBCC-1 A B 92 RBCC-X-23 MO 1428 MO-4"-29 1428 HS C25 4344 RBCC-TE 1720B RBCC-91 82-1 83-1 RBCC-RBCC-85-1 87-1 RBCC-RBCC-RBCC-C06 MO 4229 8"-N237AB RBCC-84-1 86-1 15 HS 4229 RBCC-78 C25 1720 TR C06 H A 90-1 RBCC-4 M-111 NH-36042 (C,8) 3 2 C D REVISIONS 1 ORW ORW ORW ORW ORW RBCC-3/4"-65 57-7 ORW 57-8 3/4"-65 RBCC-ORW 57-5 3/4"-65 RBCC-CHK: APPR: BJR 3-11-08 RMG 3-12-08 DWN: 76 01121715 JJP 3-4-08 11951 EC A/R SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A 19671 APPR: MM 10-18-16 CHK: DWN: BAL 10-17-16 JJP 10-10-16 77 EC NH-36042-2 MONTI CAD DWG ` ' This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. SCALE: NONE M-111-1 A Xcel NORTHERN STATES POWER COMPANY MONTICELLO NUCLEAR GENERATING PLANT Energy sm P&ID REACTOR BUILDING COOLING WATER SYSTEM REV 77 77 77 NOTES: 1. INTERNAL FLOODING RELATED. RHR ROOM WALL (NOTE 1) RHR ROOM WALL (NOTE 1) 77

MONTICELLO NUCLEAR GENERATING PLANT Xcel

Xcel MONTICELLO NUCLEAR GENERATING PLANT

DEMINERALIZER COLLECTOR WASTE T-65 150 GAL WASTE FILTER AID FLOOR DRAIN FILTER AID CRW-70 1/2"-223 CRW-69 1/2"462 RT32-1 1/2"-HE 2"-19 CRW-45 SERVICE CONDENSATE M-114-2 RT20-6"-HC AO-3"-463 SV 2653 AO 2653 RWN39-3"-HC C84 HS LT 2649 E/S C84B-1 TYPICAL FOR F.O. OR F.C. POOL SYSTEM FROM FUEL M-121 NH-36247 (C,4) FROM RHR M-135 NH-36256 (B,2) A B TYPICAL FOR FAI L O C C84 A/S C84 6 VALVES 3"-HC CRW-36 SV ORW HS 3"-29 SYSTEM D70-4"-HC DW21-3"-HC FPW13-4"-HB TW37-4"-HC PX 2869 PX 2868 CRW-37 3"-29 RWN37-3"-HC HS A/S FAI AO C84 VALVES L O C C84 SV AO EDUCTOR MIXING TANK T-23 10' X 25' DIA. 3672 GAL/FT WASTE SURGE 35,000 GAL 2" C84 VENT 4"-HC HC HK FROM CLEANUP ORW RT16-6"-HC PRECOAT PUMP AO 2652 SV 3456 RWN38-3"-HC CH7-2"-HC RATE SET FOR 340 GPM RT18-2"-HC SX 2651 PI 2650 A C84 LS 2649 NH-36046-2 (D,7) 4124 WASTE SURGE PUMP P-31 110 GPM DRAIN FILTER TO FLOOR M-140 TRIP L TO CHEMICAL WASTE TANK M-140 NH-36046 (B,6) 5 3"-237 CRW-38 ORW TO CLEANUP DRAIN LINE M-129 NH-36255 (A,6) AO-3"-463 C84 CRW-23 FAI TO LR-2688 M-140 NH-36046 (B,6) PI 2" SV 2652 C218 TO FUEL POOL FILTER/DEMIN M-136 NH-36257 (A,6) 6"-465 CRW-87 CRW-85 2"-19 RT16-6"-HC CRW-86 FOR 55 GPM RATE SET 2"-466 RT17-3"-HR PCV 3456 A/S CRW-83 4"-465 FAI CH14-2"-HC 4"-463 CRW-88 CRW-106 RATE SET FOR 110 GPM PI CRW-89 1/2"-130 4" M-129 NH-36255 (A,5) AGITATOR CST-105 CRW-72 1/4"-462M3 RT13-1/4" O.D. SS. TBG. CRW-110 RT15-6"-HC PI 2648 PX 2867 WASTE PRECOAT FG 3426 1/4"-276Y CRW-105 CRW-73 1"-130 CRW-117 1/2"-19 2" P-34 PUMP 225 GPM 1"-19 3/8"-HC 4 C88 145 HS 4150A PX 3417 CST-113 1/2"-130 PX 2866 PRECOAT (P.O. M-16) 2" 4" T-30 6"-463 CRW-81 AO 3497 400 GAL A H L C88 LS 2647 WASTE TANK L 1"-19 2"-HC ORW CRW-80 2"-462 CRW-79 CST-38 AGITATOR 1"-130 S-10 HS 1/2"-HC CRW-107 WASTE FILTER AID PUMP P-48 PCV 3261 3/8" PROGRAMMER 1/4"-462M3 CRW-77 TIMERS C88 C96 CRW-75 1/2"-223 PI 3264 PUMP P-46 C96 HS RT11A-1/2"-HC RT11B-1/2"-HC HS C96 1/2"-223 CRW-76 CST-77 SV 3260 TANK T-81 RESIN FEED FUEL POOL CV-10 CRW-74 1"-130 CRW-108 1 1/2"-19 AO 3260 CRW-109 1/2"462 CV-11 1"-HC PI 3263 FAI S-53 SV 3259 PI 3262 AO 3259 S-11 AGITATOR HS TO RT-19-4"-HE VENT NH-36046-2 PUMP P-32 WASTE COLLECTOR 3226 TO FLOOR DRAIN PUMP M-140 NH-36046 (C,6) HS M-141 NH-36047-1 M-138 NH-36044 (C,1) M-128 NH-36254 (B,8) NH-36045 C D E (C,6) FROM CONDENSATE SLUDGE PUMP 10,000 GAL M-140 NH-36046 (E,5) FLOOR DRAIN CROSS-TIE 3"-29 CRW-32 WASTE COLLECTOR FAI (C,4) FROM CLEANUP SLUDGE PUMP ORW RWN36-3"-HC D71-4"-HC CRW-31 2"-19 RWN36-3"-HC CRW-128 CRW-127 FROM TURB. BLDG. FROM CLEANUP BLDG. EQUIP. DRAIN SUMP EQUIP. DRAIN SUMP AO-3"-463 FROM DRYWELL & REACTOR C84 SV 2591 (TYP) HS AO 2591 FAI RWN36-3"-HC SV 2592 AO-3"-463 AO 2592 SYSTEM CRW-126 CRW-100 CRW-26 CRW-24 3/4" PX 2858 RWN31-3"-HC ORW SRW-64 EDUCTOR C84 C84 S-13 MIXING LS 2593 TDS L CRW-25 CRW-58 3"-29 RWN50-6"-HC RWN5-3"-HC RWN20-4"-HC RWN59-4"-HC TANK T-24 1152 GAL/FT SRW-65 6"-29 DW22-3"-HC RWN62-2"-HC HK 4" 3 6 3"-29 CRW-59 dPT 2602 PRO-1 PI 2602C SV 2605C PX 2861 WASTE COLLECTOR FILTER HOLDING PUMP P-35 AO 2598 M-136 NH-36257 (B,4) HC CRW-41 1"-19 1"-223 CRW-40 SA5-1"-JB FC AO 2604 RWN33-3"-HC C84 TO LR-2654 M-114-1 NH-85509 (C,4) M-140 RWN35-3"-HC RWN34-2"-HC NH-36046 (E,5) M-140 NH-36046 (D,5) 1/2" PI 2594 3/4" CRW-29 3"-237 (A,6) M-140 110 GPM 1 E/S C84A-3 C217 CRW-33 SX 2595 C84 LT 2593 3/8" CRW-99 CRW-34 2"-19 3"-29 CRW-35 A C84 TRIP ORW CONDENSATE M-108 NH-36039 (D,6) BACKWASH C84 A H C84 HC TE 2596 TI 2596 TS 2596 AO 2597 FAI SV 2597 AO-3"-463 PX 2860 SC15-3"-HB SV 2604 C96 AO 2605 M-136 NH-36257 (B,2) HS (TYP) RWN32-3"-HC CRW-101-1 HC CRW-39 4 CRW-101-2 HC 3"-237 CRW-84 FAI SV 2598 FAI 4149 C96 CRW-42 1"-223 CRW RV 2600 AO 2599 SV 2599 C96 FG-1 FG 2646 DW11-1"-HC C96 FO C96 1"-HC 3"-237 CRW-43 PRO-1 SV 2603 C96 FC JB PI 2606 HS AO 2603 HC SERVICE AIR M-131 NH-36049-4 (A,6) VENT A/S 15# HB HC SV 2605D SV 2605B C96 1 PI 2602B C96 PS 2602 AO 2602 HS 2602 DW12-3"-HC DW21-3"-HC 5 SV 2605A SV 2602A RT19-3"-HE HS 2602A TO WASTE SLUDGE TANK T-35 AO 2602A RT12-1/4"-S.S. TUBING CRW-78 1/4"-276Y HB A H C96 dPS 2602 PI 2602A HC dPI 2602 M-140 NH-36046-2 (A,6) SV 2601 1" AO 2602D C96 AO 2601 FAI 4" FRC 2605 C96 T-25 COLLECTOR FILTER (P.O. M-31) WASTE RWN44-3"-HC PT 2602B PRO-1 C96 C96 HS 2602B,C&D L C C96 C96 1" A L C96 C96 1" FAI FAI FS 2605 AO 2602C AO 2602B SV 2602B C96 C96 L 1 TANK T-66 M-141 NH-36047-1 (E,1) TO SPENT RESIN M-141 NH-36047-1 (E,5) HC HBD HC V22-1"-HC RT22-3"-HC AO 2613 SV 2613 RT31-3"-HE HS ORW AO-3"-463 FC HC 2"-19 CRW-49 HS HE NH-85509-1 (C,4) M-114-1 CONDENSATE SERVICE SC25-2"-HB FCP 2605 FE 2605 FAI FT 2605 SV 2607 AO 2607 C96 AO-2"-462 2"-223 CST-142 CST-31 FC C217 CRW-44 3"-237 SV 2608 AO 2608 HB SX 2609 HC FAI 4 C19-3"-HS D73-3"-HC M-136 NH-36257 (A,5) RT20-6"-HC HS FURNISHED ON C96 WITH THOSE AO's MARKED TUBING. REFER TO MOD. 97Q040. CONTAINS STAINLESS REPLACEMENT STAINLESS 316 TRIM. CRW-101-1 & 2 AND ASSOC. PIPING FITTINGS PER EC8206. This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. MONTICELLO NUCLEAR GENERATING PLANT POLYMER INJECTION PUMP NH-85509-2 M-141 NH-36047-1 (E,5) 3 SIGNAL FROM COND. M-141 NH-36047-1 (A,5) BACKWASH TRANS. PUMP P-79 PHASE SEPARATORS TO CONDENSATE CRW-91-1 HB HC SERVICE CONDENSATE M-114-2 NH-85509-2 (B,5) NH-36047-1 (B,5) AO 2645B 1/2"-223 CRW-71 SV 2645B SC31-1/2"-HB FC FC (C,5) M-141 TO WASTE M-141 NH-36047-1 (E,4) SLUDGE TO P-39 TIMER TIMER C96 L C96 ORW T-29 AO 2645A SV 2645A CRW-68 1"-462 1"-HC LS 2645 TANK CST-37 1"-130 L 1"-HB 1"-HB 1"-HB L C96 C96 TDS CH26-3/4"-HK CH25-3/4"-HK CRW-91-2 TDS C96 AO 2642 SV 2642 AO 2643 SV 2643 FC FC SV 2641 FC CH27-3/4"-HK CH28-3/4"-HK AO 2641 FC SV 2644 AO 2644 M-141 NH-36047-1 (E,3) M-129 NH-36255 (E,5) SIGNAL FROM CLEANUP SYSTEM BACKWASH LINE C96 CONDENSATE M-114-2 (B,5) SERVICE TO CLEANUP XJ 3483 DISPERSER SC-1"-HB T-70 POLY INJECT. S-46 HS HK PX 2865 CRW-144/RT CRW-146 CRW-148 CRW-143 CRW-144 P-143 RV 145 CH26-3/4"-HK 50 GAL DW16-3"-HS ORW CRW-52-2 3"-29 3" HC HS S-31 TANK EDUCTOR 3"-29M3 CRW-53-2 HS HC MIXING HS PX 2864 4 2 ORW 1/2"-76Y C84 CRW-65 HC 1"-HC CRW-63 1/2"-76Y C84 TRIP 110 GPM PUMP P-36B WASTE SAMPLE M-108 NH-36039 WATER DEMINERALIZED (E,4) DM-260 3/4"-176Y ORW DM-3/4"-HJ 12 HS C84 4115 LT 2623 LS 2623 L NOTES: 3 1 2. CRW-54-2 3"-237M3 PI 2637 A C84 C218 SX 2638 NH-36045 MONTI CAD DWG ` ' M-139 REV SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A P&ID CLEAN RADWASTE SYSTEM TO CONDENSATE NORTHERN STATES POWER COMPANY Energy Xcel sm SV 2639 DW17-3"-HS DW17 AO 2639 HS 3"-29 CRW-56-2 HC AO-3"-463M3 FC C19 C19-3"-HS SCALE: 1 NONE COLOR LEGEND QUALITY GROUP D M-108 NH-36039 (A,2) VIA SC16 STORAGE TANK 88 S A B TO FLOOR DRAIN FILTER T-27 VIA SC14-2"-HBD AO 2620 SV 2621 SV 2620 DW9-3"-HS AO 2621 DW10-3"-HS NH-36046 M-140 SAMPLE TANK TO FLOOR DRAIN FLOOR DRAIN CROSS-TIE C LRW-100 CE 2619 2"-130M3 CRW-92 RETURN LINE FUEL POOL PRECOAT FLOOR DRAIN PRECOAT RETURN LINE NH-36046-2 PCV 2615 RESIN CHARGE RT24-2"-HC dPIS 2617 HS 1"-276Y CRW-51 JB YS 2616 HS HE A H C84 SV 2614 SA5-1"-JB AO-1"-462 AO 2614 FC SX 2618 DW9-3"-HS 1 1/2"-462M3 CRW-50 C217 C217 CRW-46 AO 2611 AO 2612 AO-1"-462 AO-1 1/2"-462 1" FAI AO 2610 AO-3"-463 SV 2610 2"-19 SV 2611 M-141 NH-36047-1 (E,1) TO SPENT RESIN TANK T-66 SV 2612 V33-1 1/2"-HC NH-36046 M-140 (E,2) RT70-3"-HC DW23-2"-HC CRW-48 3"-463 HS 2619A SV 2619A M-131 NH-36049-4 (A,6) SERVICE AIR FO CRW-64 AO 2619A M-140 (D,2) 1"-65 AS-25 AO-3"-463M3 CIT 2619 C217 HS C HC AO-3"-463M3 (E,2) AO-3"-463M3 FAI FAI AO 2619B HS 2619B SV 2619B AO-3"-463 CR 2669 C84 DW12-3"-HC C84 C84 FC CRW-98 CRW-116 DEMIN. BYPASS CRW-90 RWN27-2"-HC NH-36257 CRW-97 3"-237 M-136 3 DW12-3"-HC FLOOR DRAIN LOW CONDUCTIVITY PX 2863 XJ 3482 VENT VENT D72-3"-HC DW13-3"-HS ORW HC CRW-52-1 3" 3"-29 1152 GAL/FT 10,000 GAL TANK SAMPLE WASTE T-31B 12 4" CRW-53-1 3"-29M3 HS HS HC PX 2862 CRW-102-1 CRW-102-2 CRW-114 (E,4) (E,6) WASTE SAMPLE EDUCTOR T-31A 10,000 GAL TANK MIXING 11 4" CRW-96 LT 2622 LS 2622C C84 TRIP E/S C84C-2 WASTE SAMPLE PUMP P-36A 110 GPM DW18-3"-HS C84 HS ORW C84 1115 11 L FAI AO-3"-463M3 PI 2633 DW14-3"-HS AO 2640 SV 2640 3"-237M3 CRW-54-1 A C84 C218 SX 2634 E/S C84C-1 C84 C84 M-140 NH-36046 (E,1) NH-36046-2 M-140 DW15-3"-HS (D,8) A H C84 AO-3"-463M3 2 PEN LR 2622 A H C84 SV 2636 AO 2636 FAI DW21-3"-HC 2 A/R 01094672 M-140 NH-36046 (E,1) LINE DRAIN DISCHARGE M-140 NH-36046 (D,2) TO FLOOR AO-3"-463M3 SV 2635 CRW-60 DW19-3"-HC REMOVABLE SPOOL PIECE 2"-19 AO 2635 DW14 HC HS C19 CRW-56-1 3"-29 FC DW20-2"-HC CRW-61 2"-19 DW21-3"-HC RWN30-2"-HC JJP 4-21-10 DWN: APPR: CHK: KEC 4-21-10 BAL 4-21-10 DWN: APPR: CHK: CHK: APPR: APPR: CHK: DWN: APPR: CHK: DWN: APPR: CHK: DWN: DWN: 82 83 81 80 79 JCG 3-24-08 JJP 4-29-08 JCG 4-29-08 BAL 4-29-08 12408 01117937 KEC 12-9-09 BAL 12-9-09 JJP 12-8-09 12933 EC 9655 EC EC A/R JJP 10-3-07 DZ 3-5-08 11951 BAL 10-11-07 BJR 3-11-08 RMG 3-12-08 12127 BAL 3-20-08 JJP 3-17-08 01113763 JJP 3-6-08 01121715 EC A/R EC A/R SAMPLE PUMP DISCHARGE FLOOR DRAIN 1 78 11592 REVISIONS EC C D E 20192,20195,20310 DWN: CHK: APPR: 84 JCG/JIH 9-14-12 JJP 9-13-12 EC BAL 9-14-12 CRW-82 6"-237 CRW-150 CRW-149 19489 APPR: JCG 3-20-14 CHK: DWN: BAL 3-20-14 JJP 3-20-14 85 EC 3/4"-19 CRW-151 A THIS DRAWING 3/4" A THIS DRAWING 28099 APPR: JCG 3-20-17 CHK: DWN: BAL 3-20-17 JJP 3-20-17 86 EC 6MODWMO27809 APPR: JCG 4-24-18 CHK: DWN: BAL 4-23-18 JJP 4-19-18 87 FROM AO-2689 NH-36046 (A,6) M-140 1 1 2"-HC 88 6MOD00016745 APPR: CHK: DWN: NJM 6-5-18 88 DJS 6-6-18 AJR 6-5-18

MONTICELLO NUCLEAR GENERATING PLANT Xcel

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RV71-1"-HCD L C84 FROM FLOC NH-36045 M-139 AGENT PUMP HK RT37A-3"-HE CENTRIFUGE ORW SC41-1"-HB 2722 AO-4"-463 AO-6"-463 L 3/4"-HK 3/4"-HK AO-6"-463 TDS LT 2764 1/2"-19 CST-70 AO 2765 NH-36049-11 (C,2) M-131 A/S C84 REW7-3"-HC HC HE 8,500 GAL SX 3452 A (D,2) NH-36038-3 M-107 1/2"-130 CST-148 AO-6"-463 A TRIP C84 TRANSFER 450 GPM PUMP P-79 BACKWASH CONDENSATE 6"-237 SRW-3 SRW-4 6"-463 3" CRW 6 4" CST-69 FC RT4-2"-HE FAI PX 2935 1/2"-HB RT4-6"-HE 2"-223 1/2"-HB HE HB SRW-1 2"-19 FC 2" TANK T-26 FLOOR DRAIN COLLECTOR NH-36047-1 CONTINUES TO NH-36035-2 NH-36038-2 NH-36035-2 M-104-1 NH-36046 NH-36038 NH-36036 (C,6) TO COND. B RT25-6"-HE C D E H C84 C84 SV 2708 SV 2719 2913 LE 2913 LS NH-36038-3 M-107 V64-12"-HC RWN51-4"-HC (A,6) COND FILTER/DEMIN BACKWASH M-104-1 (C,2) (C,2) TO 1.75 MIN HOLD-UP LINE (E,6) HOTWELL M-105 M-107 (D,1) M-107 TO M-140 (E,2) M-139 TO WASTE NH-36045 COLLECTOR TANK (E,6) REW7-4"-HC 8"-HC 2911 LE 2911 LS AO-6"-463 SRW-37 RWN52-6"-HC RT42-6"-HE FAI AO 2708 2912 LS 2912 LE HE HK CONDENSATE BACKWASH RECEIVING TANK T-33 V64-18"-HC RO 2591 RT3-8"-HC V20-8"-HC AO 2719 3453 RWN50-6"-HC HC HB LOCAL SRW-18 FAI 4"-29 SX 1"-223 AS-30 FIC 2764 1" AO-6"-463 HC JB HE HC 13,000 GAL AO 2707 A AO-6"-463 SRW-5-1 2"-462 SV 2707 SEPARATOR T-34A CONDENSATE PHASE HC 11 A HE 2696 LT 2709 AO-4"-463 2709 SV RT40-6"-HE FAI RT41-6"-HE AO FAI FAI FAI 2696 LS A A 2696 LI C84 A B1 C84 RT25-6"-HE VD60-3/4"-HC L C84 L L C84 6 SV 2702 RT25-6"-HE TO VENT DUCT 6" AO 2702 FAI VENT AMP VENT HS HS TO PUMPS P-83 A & B START NH-36045 TO SV-2641 & SV-2643 NH-36035-2 POS-3500 TO CRW SUMP S-44 NH-85509 M-114-1 CONDENSATE CRW SC17-2"-HB SV 2765 8"-HC 5 M-138 NH-36044 (B,1) SERVICE (B,5) M-139 (A,3) M-104-1 (C,2) NH-36036 M-105 FROM FW-36 (A,4) 2PEN A H C84 A H C84 TQR 2754 C84 6" A H C84 AS-20-1 AO 2760 AO 2761 SV 2761 SEE NOTE 2 A A H C84 LS 2758 H A 4 HOPPER S-15A 4O FT F.C. F.C. M35 P.O. 10" 3 1"-JB WaI 2757 HS 1"-65 C97 SV 2760 C84 HS AMP C97 1"-65 AS-20-2 M-131 NH-36049-4 SERVICE AIR (C,5) RT46-4"-HE SERVICE CONDENSATE 1/2"-HB AO-1 1/4"-462 SV 2752 HCS 2717 C84 M-114-1 C84 C84 C84 M-137 2"-462 SRW-5-2 AO-6"-463 NH-36043 13,000 GAL CONDENSATE PHASE SEPARATOR T-34B (B,2) M-131 SERVICE AIR NH-36049-4 RT61-1 1/4"-HE CLEAN-UP SLUDGE SYS. SPENT RESIN SYS. COND. WASTE SLUDGE SYS. CONDENSATE/WASTE SLUDGE MIXING PUMP P-39 450 GPM ES C84F-4 LS 2764A M-104-1 SA10-1"-JB POS 3499 NH-36035-2 LI 2764B C84 C80 LS 2764B C84 C84 L (C,2) 6"-237 SRW-7 2716 PI C84 SRW-10 1"-19 NH-36254 M-128 (B,8) SV 2767 HS 2767 A H C84 C84 C84 LI 2764A (C,3) PCV 2907 CRW SRW-8 SRW-8-1 AO 2710 4"-HE 6"-HE AO-6"-463 RWN53-6"-HC FAI SRW-38 FAI TO B1 RT43-6"-HE 2705 2706 2704 2705 AO 2706 AO SV SV 2914 LS 2914 LE 2704 AO L SV 2915 2915 LS LE RT6-6"-HE SV 2710 3" PS 2715 C84 12 HK HE L 2916 LS 2916 LE HC V60-6"-HC A PX 2929 TQS 2752 VS 3419 A C84 TRIP TQE 2754 TQT 2754 CONTROL SWITCHES CONT. ON (A,3) M-139 NH-36045 1/2"-130 CST-139 PI 3413 FG 3421 MOTOR HS WaI 2756 C84 C84 TS 2938 H A TRIP C84 AO-1 1/4"-462 2924 AO SV 2924 FC 2697 H FAI PX 2928 L 4" TDS A HS AO 2711 SV 2711 2697 HE C84 2697 LT FAI FAI FAI A A C84 LI A LS AO-6"-463 C84 PX RT45-6"-HE B2 TO 2923 FS PX H RT63-1 1/4"-HE 2713 AO 2714 AO 2712 AO B2 C84 2713 2714 SV SV 2712 SV M-140 (C,4) NH-36257 M-136 (E,1) NH-36257 NH-36045 NH-36046-2 M-136 M-139 (A,6) (B,4) M-140 (C,6) NH-36046 3/4"-276Y CRW-67-2 CRW-67-1 3/4"-276Y FAI SV 2703 AGENT PUMP M-139 FROM FLOC NH-36045 (A,3) AO 2703 5 FLOOR DRAIN COLLECTOR TK. O'FLOW FUEL POOL FILTER/DEMIN VENT CONVEYOR FLOOR DRAIN SUMP FUEL POOL FILTER/DEMIN. BACKWASH FLOOR DRAIN FILTER BACKWASH & WASTE COLLECTOR FILTER BACKWASH WASTE COLLECTOR FILTER VENT (A,3) A H C84 ORW NH-36045 TO WASTE COLLECTOR A C84 TRIP TQE 2755 TQT 2755 1 1/4"-HE CST-162 CST-161 NOTE 3 SRW21 RT47-5"-HE CENTRIFUGE NH-36047-2 M-141-2 NH-85509 (E,2) TO SHIPPING LINER FLOOR SUMP CV 2717 (C,5) AO 2752 S-14A 11 1"-223 RWN54-4"-HC 1/2"-19 CST-71 NH-36047-2 TO FLUSHLINE M-141-2 SV 2749 AO 2749 SV 2750 AO 2750 3/4" FI 2718 3/4" CST-196 TS 2939 4" H CST-76-1 6"-HC C84 (C,5) FC HE HB SLUDGE TANK T-35 RWN52-6"-HC RESET 1/2"-130 SRW-39 ORW TDS C84 HE HK 11 RWN18-2"-HC V53-1"-HC AO-6"-463 HS C84 C84 FLUSH COMP. L A FAI 7,500 GAL RWN41-4"-HC WASTE V22-1"-HC RT33-8"-HE 6" V61-10"-HC RWN59-4"-HC AO-4"-463 AO-1 1/4"-462 SV 2753 HCS 2734 1 1/4"x1" RED. FLG. RT62-1 1/4"-HE RT60-1 1/4"-HE MOTOR HS VS 3420 TQS 2753 C84 TS 2940 H C84 M-139 TANK (E,6) CST-164 2736 SV CV 2734 AO 2753 C84 RED. FLG. 1 1/4"x1/2" S-14B 12 2736 AO CST-163 1"-19 SRW-22 FAI HE HC AO-6"-463 SV 2721 L C84 RT48-5"-HE SV 2720 AO 2720 AO 2721 C84 LI 2698 A C84 LT 2698 FAI LS 2698 RWN55-3"-HC RT50-4"-HE FAI TO B3 AO L C84 HE B3 LE 2917 LS 2917 HE LE 2918 LS 2918 HC HK HK 1 1/2"-HC RT19-4"-HE RWN62-2"-HC 4 3112 FROM CH27-3/4"-HK FROM CH28-3/4"-HK VENT DUCT RV TO PX 2933 FAI AO 2739 VENT DUCT WASTE COLLECTOR DEMIN RESIN DISCH MONTICELLO NUCLEAR GENERATING PLANT This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. CST-75 DETAIL (TYP. FOR 24) 1"-130 CST-47-68 SRW-14 2"-19 VENT 2"-19 SRW-17 HC 3 SRW-31 PUMP P-44 CENTRIFUGE EFFLUENT NH-36047-2 FROM "B" HOPPER M-141-2 NH-36047-2 HOPPER M-141-2 TO (C,2) (B,3) 6" JB PX 2936 PX 2937 PI 2748 SRW-16 2"-223 HS 2"-19 50 GPM ORW C84 SLUDGE TANK (E,4) TO WASTE RWN62-2"-HC

1. SEE DWG. M-139 (A,6) FOR AO DETAILS.
2. SEE VENDOR DWG. F.P. 5828-M35-12-1
3. FI-2718 AND FI-2735 ABANDONED IN PLACE.

FOR AIR PIPING DETAILS. NOTES: TO CONVEYOR FLOOR DRAIN M-137 NH-36043 SUMP (B,3) 2 FG 3423 3,000 GAL CLEAN-UP PHASE SEPARATOR T-36B CLEAN-UP SLUDGE LS 2747 LS 2747 LS 2747 LI 2747 P-43 250 GPM FAI AO-2"-462 FAI 2699 2727 RT51-4"-HE CENTRIFUGE EFFLUENT TANK T-38 600 GAL FI 2735 A C84 H SV 2751 CST-76-2 1"-223 3/4" 4" 3/4" HB HE TS 2941 H (E,5) NH-85509-2 SERVICE CONDENSATE M-114-2 FC AO 2751 SX 3105 SRW-15 NOTE 3 C84 C218 3,000 GAL V54A-1"-HC HK HE AO-4"-463 2722 SV 1"-HC SEPARATOR T-36A CLEAN-UP PHASE LE 2919 LS 2919 A 6" SV 2723 AO 2723 RT49-4"-HE FAI A HE HK HK HC A 6" 6" A FAI FAI FAI C84 6" 2699 LT LI 4"-237AB SRW-11 RT59-1 1/4"-HE RWN60-4"-HC 4"-HC VENT SRW-6 1"-19 C84 RWN60-4"-HC LT 2747 C84 C84 E/S C84F-5 C84 C84 CRW MIXING PUMP 1"-HC HC RWN56-3"-HC AO-4"-463 AO-4"-463 2727 SV AO B4 TO RT53-4"-HE 2699 2725 AO 2726 AO C84 B4 A 2724 AO LS 2725 2726 SV SV 2724 C84 H SV HE 2733 FAI PI 2" 2732 PS HE HK HK HK V62-6"-HC 12 A V54B-1"-HC 3 AO-3"-463 AO-3"-463 AO 2850 SV 2852 SV 2850 (A,3) 3/4"-276Y CRW-66-2 AO 2852 CRW-66-1 3/4"-276Y 3/4"-HK FAI 3/4"-HK CLEAN-UP FILTER/DEMIN VENTS CLEAN-UP FILTER/DEMIN BACKWASH 2853 2851 FAI AO AO 2851 SV 2853 SV V33-1 1/2"-HC RT31-3"-HE V63-3"-HC 1/2"-130 CST-141 2729 2730 SV 2731 SV 2700 1"-19 SRW-2 3" SERVICE CONDENSATE A H C B L A HH AO 2925 CST-140 1/2"-130 1/2"-19 CST-72 SV 2926 AO 2926 NH-85509 1/2"-HB (D,3)&(E,2) M-114-1 FC A 2921 AO 2728 SV 2728 HK A HE 2930 AO-4"-463 A L PX RT52-4"-HE TDS C84 FAI 2920 LE HK HC HK 6" 6" LE 6" 6" AO-4"-463 RT54-4"-HE C84 HS HE A TRIP B5 TO 2922 FAI FAI FAI LE B5 2730 2731 AO AO C84 2729 AO 2700 LT 3" 4127 SPENT RESIN MIXING PUMP C84 AO-1 1/2"-462 WATER JET EDUCTOR P-81 150 GPM FG 3424 1/2"-19 CST-73 2" 1"-HC HC S-29 FAI CRW RT58-1 1/2"-HE SPENT RESIN RWN52-6"-HC PI 2738 NH-36043 DRAIN SUMP TO CONVEYOR FLOOR RWN57-3"-HC SRW-19 3"-463 3"-237 SRW-13 RT56-3"-HE 2700 LI SV C84 HK HE A H LS C84 AO-4"-SP463 SRW-12 2"-462 PX 2932 M-137 (B,3) A 1,000 GAL TANK T-66 HC A HE 2921 C84 2920 LS C84 V54-1"-HC RT37-3"-HE (E,1) L LS (C,1) 2922 C84 M-129 NH-36255 L LS L 2 TO ASME CLASS 1/QUALITY GROUP A ASME CLASS 3/QUALITY GROUP C SAFETY RELATED MECHANICAL ASME CLASS 2/QUALITY GROUP B SAFETY RELATED ELECTRICAL SPECIAL CONCERNS ITEM REV M-141 MONTI CAD DWG ` ' NH-36047-1 RADWASTE SOLIDS HANDLING SYSTEM PIPING AND INSTRUMENTATION DIAGRAM Energy NORTHERN STATES POWER COMPANY Xcel sm SCALE: 1 NONE QUALITY GROUP D COLOR LEGEND 88 T A HS 2701A CONDENSATE NH-85509 (TYP. FOR 5) AO HS 2904 HS SV 2740 HS FI 2741 CST-78 NH-85509 M-114-1 CONDENSATE SERVICE 1"-HB A HB AO 2740 1"-223 HB HC SV 2739 FC FC CST-41-45 1"-223 HC SV DETAIL HB FC 1"-130 CST-74 AO-2904 SC42-1"-HB AO 2904 C84 SV 2904 RT57-4"-SCH.120 C.S. AO 2701 SV 2701 RT55-4"-SCH. 120 C.S NH-36049-4 AO 2737 AO-4"-SP463 FAI FIC 2701 SV 2737 (C,5) M-131 2701 LT A TRIP C84 C84 LS 2701B C84 L C84 LS A AO-2742 AO-2743 AO-2744 AO-2745 AO-2746 B2 B1 B3 B4 B5 SERVICE M-114-1 B 1"-HB NH-85509 SERVICE CONDENSATE M-114-1 (E,2) C84 DWN: CHK: APPR: DWN: CHK: APPR: DWN: CHK: APPR: DWN: CHK: APPR: 82 TDS C84 C84 H 80 81 79 JJP 6-20-11 AWL 6-20-11 DDW 6-20-11 18294 JJP 4-29-11 DDW 4/29/11 AR 4-29-11 EC KEC 12-9-09 JJP 3-15-10 PEB 3-15-10 JPC 3-17-10 15325 JJP 12-8-09 BAL 12-9-09 11006 EC EC 9655 EC C84 NH-36045 M-139 M-139 NH-36045 WASTE COLLECTOR DEMIN VENT A/S C84F-1 E/S C84 (D,3) (C,4) 2701 LI 1 REVISIONS B C D E 20427 APPR: JPC 8-1-12 CHK: DWN: BAL 7-27-12 JJP 7-26-12 83 EC 25356 APPR: AJW 3-16-15 CHK: DWN: BAL 3-16-15 JJP 3-12-15 84 EC 24489 APPR: AJW 7-15-16 CHK: DWN: BAL 7-15-16 JJP 7-12-16 85 EC 27482 APPR: JCG 11-29-16 CHK: DWN: BAL 11-25-16 JJP 11-16-16 86 EC SRW-71 CST-213 CST-215 PX 2931 PI 3415 SRW-69 PI 3416 SRW-70 CST-214 APPR: 600000686596 CHK: DWN: 600000677406 JJP 2-19-20 87 601000001601 ADDT'L. PAGE ADDED TO.PDF DOC. 601000001803 APPR: 600000686596 CHK: DWN: 600000677406 JJP 3-9-20 88 88 88 1/4" 88 NOTE 4 PI 3414 FG 3422 PX 2934 PI 2766 PX AO 2927 SV 2927 AO 2764 SV 2764 SRW-72 CST-216 88 88 88 4. THREADED FITTINGS DOWNSTREAM CST-148 ECR601000001803.

Xcel MONTICELLO NUCLEAR GENERATING PLANT

MONTICELLO NUCLEAR GENERATING PLANT Xcel

MONTICELLO NUCLEAR GENERATING PLANT Xcel

AI-70-2 AI-70-1 EP-1003 FOR CV-1003 RACK C531 RACK C531 TEST SOLENOID

  1. 3 INTERMED STOP TEST SOLENOID
  2. 3 INTERCEPT NH-36049-2 PCV 4717 N.O/F.C.

AI-442 AI-441 1"-JD NH-36049-3 M-131 NH-36049-11 (C,8) NH-36049-12 NH-36049-14 A B C D AI-36 AI-554 TO RACK C-297A P2A SEAL WATER AI-554-1 TO CV-4121 TO CV-4124 TO CV-4125 TO CALIBRATION REGULATOR 8 AI-558 AI-559 AI-332 AI-440 AI-10 AI-41 AI-38 M-118 NH-36244 (E,1) FW REG CONTROL TO RACK C-557 TO RACK C-556 FW REG CONTROL VALVE CV-6-12A TO RACK C-200A/B TO CV-3132 TO CV-1017 TO E/P-1017 TO E/P-4120 TO E/P-4121 TO CV-4120 VALVE CV-6-12B 8 M-131 M-131 (B,8) (D,8) AI-15 AI-113 AI-35 AI-331 AI-321 AI-330 AI-328 AI-561 AI-560 AI-557 AI-556 AI-144 AI-789 7 CV-1072 CV-1075 AI-407 (SPILL VALVE) CV-1226A & B CV HOOD SPRAY AI-443 TURBINE AIR OIL RELAYS (SPILL VALVE) CV-1036 CV-1033 CV-1199A & B M-132 NH-36050 (D,6) AI-3 AI-4 HEADER CROSS TIE AI-460 AI-67 AI-68 VENT VENT IA6-3"-JD 7 P2B SEAL WATER TO RACK C-297B H2 CONT. M-131 NH-36049-2 (C,2) AI-6-3 AI-329 VALVE AI-6 AI-555-1 AIR SET AI-818 AI-6-1 AI-6-2 CV 1507 2"-JD AI-555 V-AH-5 AIR HANDLING UNIT HEATING BOILER ROOM M-146 (E,5) CV-1621 M-103 NH-36034 (D,4) NH-36348 MAIN CONST. DAY TANK HEATING BOILER M-133 NH-36051-1 (D,3) STATION FOR HTB FW VALVE AO-4321 (B,3) HTB DEAERATOR OVERFLOW LVL TRANS LT-4330 (C,1) HTB BOILER DEAERATOR OVERFLOW LCV LCV-4330 (C,1) HTB DEAERATOR LVL TRANS LT-6184 (C,2) HTB DEARERATOR MAKE-UP LCV LCV-3378 (C,3) SV 1469 M-104 NH-36035 (D,5) AI-414 AI-424 AI-425 AI-423 AI-647-2 AI-417 SV-1051 FOR CV-1051

  1. 11B HEATER DUMP
  2. 11A HEATER DUMP SV-1012 FOR CV-1012 AI-418 AI-647-1 AI-413 TEST SOLENOID AI-416 AI-426
  3. 4 INTERCEPT DRAIN VALVE TO TURBINE GENERATOR SYSTEM BEARING SPRINKLER AI-415 TOP L.O. TANK FRONT STANDARD TEST CONN.

AI-647-4 AI-647-3 6 TEST SOLENOID STOP VALVE

  1. 4 INTERMED ND RACK C-210 PS 1469 SV 1507 AI-145 JD M-131 (A,8)

AI-17 JDE AI-410 AI-411 AI-402 AI-403 AI-404 CV-3489 AI-406 AI-405 AI-435 TO RACK C-558 RECIRC VALVE RECIRC VALVE TO RACK C-559 6 CV-3490 AI-438 PCV HDR VENT TURNING GEAR SOLENOID AI-430 AI-431

  1. 12 AIR EJECTOR TURNING GEAR CV RELAYS SUPPLY TO
  2. 11 AIR EJECTOR TEST SOLENOID
#2 INTERCEPT
  1. 2 INTERMED TEST SOLENOID STOP VALVE
#4 SV RELAY
#3 SV RELAY PCV M-103 NH-36034 NH-36035-2 AI-428 AO-1084A AI-429 AO-1084B AI-433 AI-439 AI-427 AI-422 (D,2)

AO-1083A AI-419 AI-434 AI-420 AI-421 (C,1) AO-1083B AI-459 AI-432 STOP VALVE TEST SOLENOID 

#1 INTERCEPT TEST SOLENOID
  1. 1 INTERMED VALVE SUCTION M-104-1 (A,8) 5 SUPPLY AIR SV-1074 SUPPLY AIR SUPPLY AIR SV-1032 SUPPLY AIR SV-1035 SV-1071 PCV PCV SUCTION VALVE M-131 NH-36049-2 (A,8)
#1 SV RELAY
#2 SV RELAY CV-1019 E/P-1019 FOR CV-1019 CV-1002 "B" MS DRN TK DRN SPARE AI-436 "A" MS DRN TK DRN CV-3133 AI-437
  1. 15A HEATER DRAIN 3/4"-JD AIR SET AI-7 AI-444 PS 1469 5

ACCUM AI-23 1522 PCV AI-291-1 AI-96 AI-293 VENT DG DELUGE TO HOT & COLD LABS

  1. 12 EDG ROOM CV-1531 AI-623 4474 AI-287 AI-288 4475 PI AI-96-1 AI-283 PI AI-117 1/2"-JD 4473 AI-285 PI AI-7-2 AI-79 N.O./F.C.

AI-109 AI-84 AI-110 CV 1469 AI-7-3 XI-4531 TO VM2-6 M-109 NH-36040 (A,5) AI-7-1 SPARE AI-292 SPARE ND AI-290 AI-291 1"-JD AI-108 TRB BLDG DRAIN SIDING DELUGE SPARE VMZ-5 VAH-2 VAH-1 VMZ-1 DIESEL GEN H & V AI-289-1 AI-289 4 AI-111 AI-107 AI-286 AI-281 AI-282 AI-284 AI-280 AI-106 AI-27 DELUGE DIESEL ROOM M-108 NH-36039 (B,2) AO-1345 AI-228 TO INTAKE STRUCTURE SPRINKLER SYSTEM AI-817 AI-105-1 AI-105-2 AI-108-1 SPARE SPARE PI AI-103 AI-104 AI-105 AI-279 4478 AI-229 PCV 1712 4 SPARE SPARE DRAIN AI-70-3 AI-230-1 TO LUBE OIL (FIRE PROTECTION) HEAT ACT. DEVICE AI-230 4479 PI EP-3126 FOR CV-3127 EP-3130 FOR CV-3134 CV-1016 - 13A HTR DUMP EP-3125 FOR CV-3133 CV-1018 14A HTR DUMP CV-1020 15A HTR DUMP CV-1001 "B" MS DRN TK DUMP CV-1003 "C" MS DRN TK DUMP EP-3131 FOR CV-3132 AI-78 P&ID INSTRUMENT AIR - TURBINE BUILDING This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. CV-1014 - 12A HTR DUMP A/S-1228A MSDT A COND. INJECTION A/S-1228C MSDT C COND. INJECTION A/S-1228D MSDT D COND. INJECTION A/S-1228B MSDT B COND. INJECTION Energy MONTICELLO NUCLEAR GENERATING PLANT NORTHERN STATES POWER COMPANY AI-71 AI-333 AI-336 AI-337 AI-335 AI-334 MLS-1228A MSDT A COND. INJECTION MLS-1228B MSDT B COND. INJECTION MLS-1228C MSDT C COND. INJECTION MLS-1228D MSDT D COND. INJECTION NH-236609 (B,3) NH-236609 (D,3) NH-236609 (C,3) NH-236609 (D,3) 3 CV-2509 M-800 NH-36489 (B,3) E/P-1020 FOR CV-1020 CV-1014 E/P-1014 FOR CV-1018 E/P-1018 FOR CV-2589 EP-1004 FOR CV-1004 AI-771-2 AI-771-3 AI-771-4 AI-771-1 DRAIN PUMP HOUSE DIESEL FIRE AI-339 AI-338 AI-341 AI-342 AI-340 AI-344 AI-343 AI-345 CV-1016 E/P-1016 FOR CV-1001 M-800 NH-36489 (B,3) EP-1002 FOR CV-2590 CV-2510 EP-1001 FOR CV-1002 BLEACH SYSTEM 3 AI-9 RACK C-203 AI-75-1 AI-74 AI-772-4 AI-772-3 AI-772-2 AI-772-1 AI-348 AI-349 AI-347 AI-350 AI-346 2 Xcel NH-236609 (D,3) NH-236609 (C,3) NH-236609 (B,3) NH-236609 (D,3) DRAIN M-812 NH-36666 (D,5) BASIN CIRC. AI-77 M-800 NH-36489 PANEL C-101 AI-8 AI-357 AI-353 AI-355 AI-356 AI-354 AI-352 AI-351 AI-358 AI-73 AI-72 "A" MS DRN TK DUMP SPARE CV-3127 WATER M-812 NH-36666 PANEL C-100 2 LEVEL ASME CLASS 1/QUALITY GROUP A ASME CLASS 2/QUALITY GROUP B COLOR LEGEND QUALITY GROUP D SAFETY RELATED MECHANICAL SAFETY RELATED ELECTRICAL SPECIAL CONCERNS ITEM MONTI CAD DWG ` ' ASME CLASS 3/QUALITY GROUP C REVISIONS NH-36049-3 SCALE: sm NONE 1 1 M-131 REV AA 94 A B C D 22458 APPR: NTM 7-15-13 CHK: DWN: BAL 7-15-13 JJP 7-15-13 87 EC AI-35-3 24717 APPR: JOJ 10-29-14 CHK: DWN: AJR 10-23-14 JJP 10-21-14 88 EC 25268 APPR: WMS 2-10-15 CHK: DWN: BAL 2-10-15 JJP 2-10-15 89 EC FW REG CONTROL TO LOW FLOW VALVE CV-6-13 AI-112 19978 APPR: MAC 4-27-15 CHK: DWN: BAL 4-26-15 JJP 4-23-15 90 EC PS 1474 NH-36049-2 (A,4) M-131 PS 1474 NH-36049-2 (A,4) M-131 6MOD00027208 APPR: AJR 8-11-17 CHK: DWN: NJF 8-11-17 NJM 8-10-17 91 EC 6MODWMO27022 APPR: JCG 6-8-18 CHK: DWN: BAL 6-8-18 JJP 6-8-18 92 CV-2480 M-812 NH-36666 (C,6) CV-2481 M-812 NH-36666 (C,5) T-106,T-108 M-812 NH-36666 (B,6) T-107,T-109 M-812 NH-36666 (B,5) AI-461-3 AI-461-1 AI-461-2 AI-75-2 AI-76 AI-461-4 AI-461-5 AI-461-6 4 PCV 5 PCV 601000002239 APPR: 600000708453 CHK: DWN: 600000729138 JJP 6-2-20 93 AI-280-1 601000002296 APPR: 600000723812 CHK: DWN: 600000739189 JJP 6-18-20 94 94

MONTICELLO NUCLEAR GENERATING PLANT Xcel

MONTICELLO NUCLEAR GENERATING PLANT Xcel

AI-570 AI-569 AI-41 8 AI-163 A M-131 NH-36049-3 (D,8) TO OUTBOARD MSIV INTENSIFIERS M-131 NH-36049-15 (A,4) B LIQUID N2 M-130 NH-46162 (D,2) TANK 7 M-130 NH-46162 (D,2) M-130 NH-46162 (D,3) AI-115 M-118 NH-36244 (B,1) AI-116 M-131 NH-36049-15 (D,7) AI-59 AI-29 CV-3269 CV-3440 SV 7478 (OPEN) (CLOSE) HS 7477 N2 VAPORIZER RX 935' WEST PS 7393 PI 7394 PS 7392 CV 7478 AI-29-1 AIR SET NE AI-205-1 AI-219 AI-205 PI 4364 AI-218 FI 6015 AI-206 AI-208 NE SV 7477 AI-207 6 AI-624 SPOOL PIECE REMOVEABLE ALT N SYSTEM NH-36049-10 NH-36049-10 ALT N SYSTEM AI-212 AI-210 A H L C06 AI-209 AI-211 AI-840 (B,6) TO TRAIN `B' M-131 M-131 (D,6) 2 2 TO TRAIN `A' CV 1478 AI-213-10 SUMP RECIRC. M-115 NH-36241 (E,3) AO-2560A & B M-115 NH-36241 (E,2) M-117 NH-36243 (D,5) CHECK VALVE M-138 NH-36044 (E,2) DW EQUIP. DRAIN 5 ARV FLANGE LEAKOFF CHECK VALVE CV-2369 CV-2370 AI-572 AI-574 AI-573 (SEE NOTE 1) AI-571 X-22 SAMPLE SYS. RECIRC. CV-2790 1/4" AI-196 4 AI-195 AI-54-1 3 AI-54 PI AI-214-11 AI-182 AI-53 3/4" AI-70 AI-214-7 AI-13-7 1/4" AI-214-9 AI-214-13 AI-213-9 3/4" This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. MONTICELLO NUCLEAR GENERATING PLANT MODIFICATION PACKAGE 02Q145. VALVE IS 300 POUND RATING. SEE P&ID INSTRUMENT AIR REACTOR BUILDING & DRYWELL C25A (B,3) NH-36243-1 PUMP SEAL "A" RECIRC. M-117 LEAKOFF DAMPER CONTROL AI-213-2 NORTHERN STATES POWER COMPANY Xcel 2 Energy sm NOTES: 1. NH-36241-1 M-115-1 (L-L SET) T-57B T-57G ACCUM T-57A ACCUM ACCUM AI-217-2 AI-214-16 AI-217-7 AI-217-1 T-57E ACCUM AI-217-5 AI-213-1 (D,6) SRV "G" NH-36049-12 MONTI CAD DWG ` ' SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A 1 COLOR LEGEND QUALITY GROUP D SCALE: NONE 81 REV M-131 C A B NH-36049-12 8 C D MSIV PILOT AIR TO OUTBOARD SV 1478 AIR SET HS 1478 C06 NE C C06 L O 7 6 AI-213-11 M-115 NH-36241 (E,5) AI-114-3 VENT M-115 NH-36241 (E,5) CV-2371 RX HEAD LEAKOFF PUMP SEAL "B" RECIRC. M-117 NH-36243-1 (B,5) RX HEAD VENT CV-2372 AI-114-1 AI-114-2 1/4" AI-781 AI-214-4 AI-13-4 AI-214-12 AI-214-14 AI-214-10 3/4" AI-213-12 5 4 3 NH-36241-1 M-115-1 SRV "D" (ADS) T-57C AI-214-15 ACCUM AI-213-7 AI-213-5 T-57F T-57H ACCUM T-57D ACCUM ACCUM AI-217-4 (B,4) AI-213-3 AI-213-6 AI-213-8 AI-213-4 C 11951 JJP 6-18-07 01059540 EAN 6-20-07 BAL 6-18-07 BAL 8-18-09 CLT 8-19-09 BJR 3-11-08 RMG 3-12-08 JJP 3-5-08 14219 JJP 8-17-09 18998 KMF 11-7-11 BAL 11-1-11 JJP 10-28-11 01121715 DWN: APPR: CHK: APPR: CHK: DWN: 79 EC A/R CHK: APPR: DWN: 78 EC DWN: APPR: CHK: 77 76 EC EC 9741 A/R D 2 REVISIONS 1 21396 APPR: WMS 5-7-13 CHK: DWN: PEB 5-7-13 JJP 5-7-13 80 EC PRE BOIL COIL 601000002203 APPR: 600000713177 CHK: DWN: 600000733905 JJP 6-8-20 81 81 NOTE 2 NOTE 2 81 2. AI-214-10 AND AI-213-12 ARE CLOSED DUE TO A LEAK IN THE TUBING (ECR 601000002203).

PS 1474 NH-36049-2 (A,4) M-131 AI-256 JD JB AI-683 AI-630 M-131 AO-2559 V-AC-7A & B M-138 NH-36044 (E,3) A 8 B AIR SET AI-124 AI-268 AI-245 AI-263 RING HEADER AROUND TANK RM HPCI RM 896' AI-121 AI-120 AI-308 AI-119 AI-307 AI-267 AI-671 7 AI-123-1 AI-680 NH-36049-10 (A,6) M-131 OUTSIDE TORUS AI-118 AI-682 AI-269 AI-215 AI-262 TO OFF-GAS STACK NH-54823-2 AI-672 L O C C06 AI-14 AI-246 BY CV-2384 M-143 NH-36258 (A,6) C-120 HPCI RM VENT CV-2384 M-142 NH-36159 (C,3) M-124 NH-36250 (E,4) V-AC-8A & B CV-3503 6 AI-617 & STORAGE BLDG. AI-265 AI-266 AI-681 SV 7956 ACTUATOR AI-616 M-143 NH-36258 (C,6) HS 7956 CV 7956 AO-2896 C06 T-RING SEAL ACCUM NH-36049-10 (D,6) AI-673 M-131 (C,6) AI-122 NH-36258 M-143 (B,6) AI-684 AI-631 AI-632 M-130 NH-46162 (C,4) T-RING SEAL AO-2896 M-143 NH-36258 (A,6) ACTUATOR NH-36258 AO-2383 ACCUM M-143 (B,6) AI-271 AI-270 NH-36049-10 (C,6) AO-2383 AI-629 CV-3267 AI-694 NH-36049-14 NH-36049-2 AI-38 AI-15 M-118 NH-36244 (E,1) M-131 C M-131 NH-36049-3 (D,8) D RX BLDG 935' (A,8) 8 AI-272 AI-663 AI-300 M-143 NH-36258 (C,2) ACTUATOR AO-2377 AI-165 AI-239 AI-38-2 TORUS AREA ND AI-38-3 AI-38-1 AI-449 PS 1469 AIR SET SV 1472 ROOM RCIC AI-30 CV 1472 NO/FC AI-316 NH-36049-10 M-131 AI-662 (C,6) NH-36049-10 M-131 (A,6) AI-665 AI-664 AI-668 AI-318 AI-301 AI-237 AI-236 AI-238 V-AC-6 CV-2848 CV-2849 CV-2082A CV-2082B 7 AI-274 T-RING SEAL NH-36258 AO-2381 M-130 NH-46162 (C,4) AI-613 AI-669 AI-317 AI-614 AI-670 ACCUM AI-615 AI-273 M-125 NH-36251 (C,2) M-125 NH-36251 (B,5) CV-3268 M-126 NH-36252 (C,4) M-125 NH-36251 (C,2) CV-2079 M-2510 NH-161004 (A,3) M-143 NH-36258 (C,3) ACTUATOR AO-2381 AI-274-1 AI-274-2 ACCUM RX BLDG 935' ACCUM NH-36258 T-RING SEAL AO-2377 M-143 (C,1) M-143 (C,3) NH-36258 T-RING SEAL AO-2378 M-143 (C,3) C-122 CAL AIR AI-302 6 TEST NH-36258 This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. CV-2043 AI-183-2 AI-183-1 INSIDE TORUS RING HEADER AI-819 M-138 NH-36043 M-137 FIC-2540 FIC-2558 NH-36044 5 (D,5) (E,3) RBFDS RBEDS M-137 NH-36043 NH-36044 M-138 (D,6) (D,6) AI-822 ACTUATOR & T-RING SEAL X-229B (C,1) AI-183 AO-2379 NH-36258 M-143 (C,3)

  • AO-2382A
  • AO-2382B
  • AO-2382C AI-128 AI-125 AI-221 AI-126 AI-622 AI-127 4

HPCI ROOM DRAIN CV-2394B HPCI ROOM AI-821 AI-820 CV-2046B CV-2394A CV-2046A DRAIN

  • CONT. ON
  • AO-2382K M-143 NH-36258 (B,4)
  • AO-2382E AO-2382H
  • AO-2382F AO-2382G

& CUBICLE DAMPERS 21 CONNECTIONS RWCU F/D VALVES AI-276 M-124 NH-36250 (D,4) CV-2065 M-123 NH-36249 (A,4) M-123 NH-36249 (C,2) M-123 NH-36249 (C,1) 3 IN TORUS BAY 12 IN TORUS BAY 10 EL. 985' TANK RM. PUMP & RADWASTE M-129 NH-36255 (A,3) AI-135 EL. 962' RWCU AREA AI-134 AI-674 AI-677 AI-137 AI-131 NH-36258 ASME CLASS 2/QUALITY GROUP B QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL SAFETY RELATED MECHANICAL T-RING SEAL AO-2387 ACCUM M-143 AI-678 AI-679 NH-36049-14 MONTI CAD DWG ` ' M-131 NH-36049-10 AI-675 M-143 NH-36258 (D,6) MONTICELLO NUCLEAR GENERATING PLANT P&ID INSTRUMENT AIR - REACTOR BUILDING Xcel NORTHERN STATES POWER COMPANY 2 RWCU PUMP DRAIN ROOM Energy sm NH-36881 NH-36881 M-117 NH-36243 (E,6) CV-2791 M-143 NH-36258 (C,6) AI-133 AI-132 AI-138 AI-233 CV-2385 AI-234 AI-618 AI-619 (RETIRED) HT-7243 (E,3) AO-2982 M-145 (D,6) AO-2979 M-145 ACTUATOR NONE SCALE: M-143 NH-36258 (E,6) 1 COLOR LEGEND T-RING SEAL M-143 NH-36258 AO-2386 ACCUM AO-2387 ACTUATOR AO-2386 (D,6) AI-676 (D,6) M-131 (A,6) NH-36049-10 M-131 81 REV J (D,6) A B ADMIN. BLDG. H & V VD-23 TO 26,39,40 MG. RM. H & V ELEC. SHOP AI-129-1 NH-158751 (C,4) M-131 NH-36049-13 (D,8) NH-36049-10 NH-36049-10 M-138 NH-36044 (D,1) M-137 NH-36043 (E,2) (C,6) M-131 AI-667 AI-305 AI-306 AI-666 ACTUATOR M-143 AO-2378 AI-303 AI-304 AO-2561B (C,6) M-131 AO-2541A AO-2561A AO-2541B AI-686 AI-695 AI-685 5 4 AI-136 AI-129 AI-130 ACTUATOR & T-RING SEAL NH-36258 (B,2) M-143 AO-2380 ABOVE 935' EL. 985' RX BLDG. BLDG. ADMIN. RX BLDG AI-129-2 AI-129-4 VD-11 TO 14 AI-136-2 GAS RM. AI-136-1 NH-158751 STBY (C,2) AI-142 AI-319-1 AI-775 AI-275 AI-319 AI-773 I&C SHOP AI-774 3 REVISIONS AO-2978 NH-36881 NH-36881 AO-2945 M-145 M-145 NH-36881 CV-2942 NH-36881 CV-2943 (RETIRED) M-145 HT-7242 M-145 CONTROL AIR AI-129-3 NH-36881 AI-139 AI-140 AI-231 AI-232 AI-141 AO-2944 (C,5) M-145 AI-241 AI-235 AI-242 (D,5) (B,3) (D,2) (C,2) DWN: JJP 5-7-13 WMS 5-8-13 PEB 5-8-13 APPR: CHK: BAL 5-19-06 JCG 5-22-06 JJP 5-17-06 8024 11951 BJR 3-11-08 RMG 3-12-08 JJP 3-5-08 21396 01121715 A/R CHK: APPR: DWN: 78 EC APPR: CHK: DWN: 76 77 EC EC 2 1 C D 21453 APPR: ERN 5-10-13 CHK: DWN: AWL 5-8-13 JJP 5-8-13 79 EC 27714 APPR: JCG 3-28-17 CHK: DWN: AJR 3-27-17 JJP 3-27-17 80 EC 81 6MOD00027208 APPR: AJR 8-11-17 CHK: DWN: NJF 8-11-17 NJM 8-10-17 81 EC

STORAGE BLDG. 3/4"Ø 600# SS AIR PALLET OUTBOARD MSIV SEE DETAIL A SEE DETAIL A SEE DETAIL A SEE DETAIL A AI-11-4 A 8 SEE NX-56483-11 MAIN AIR TO MSIV PISTON VIA MANIFOLD SOLENOID MANIFOLD PILOT AIR TO MSIV AIR VALVE ASSEMBLY 2 1 B DETAIL A OUTBOARD MSIV AO-2-86D 2 1 AO-2-86C 2 3/4" 7 6 5 AI-741 AI-740 A L C03 3/4" RX BLDG. C04 7369 ES AIR100 P C04 4907 PT L H STEAM CHASE 3/4" AI-739 3/4" AI-734 3/4" K-5B AI-733 3/4" 3/4" AI-737 AI-738 K-5A (LOCATION: V-AC-10) AI-765 (LOWER PLATFORM) INTENSIFIERS 3/4" AI-735 AI-736 2" AI-770 AI-764 4907 PS C04 4920 PCV 4919 PI AI-769 FINGER TIGHT SEE DETAIL A SEE DETAIL A SEE DETAIL A SEE DETAIL A AI-11-1 AI-11-2 AI-11-3 C 2 1 OUTBOARD MSIV AO-2-86B 1 OUTBOARD MSIV AO-2-86A 2 1 NH-36049-15 D 8 AI-751 1 1/2" TURBINE BLDG. 1 1/2" STEAM CHASE M-131 NH-36049-12 (B,8) TURBINE BLDG. T-207 ACCUMULATOR TANK 4923 RV 4927 PI 440 PSIG REC. BLDG. 2" OUTSIDE 7 6 5 (IN STORAGE) PALLET PALLET M-131 NH-36049-12 (B,8) 4 AI-59 3/4"Ø JD 3 3/4" 4915A RV AI-29 AI-41 3/4" AI-766 AI-744 AI-745 1" 3/4" 2" AI-743 4917A PI 3000# RATING SS 600# RATING SS 3/4" 330 PSIG 4916A PCV 1" 2 1 A AIR AIR FILL, CGA-590 B (TYPICAL OF TWELVE) CGA-590 BOTTLE VALVE PALLET 4915B RV 3/4" AI-747 AI-748 AI-749 3/4" 2" 1" 4918 PI 3/4" 2" AI-746 4917B PI 4916B PCV 3000# RATING SS 600# RATING SS 3/4" BLANK UNION HALF UNION SOFT SEAL 1" 330 PSIG UNION QUICK CONNECT 4 3 FILL, CGA-590 AIR FILL, CGA-590 C REVISIONS 2 1 D AI-759 AI-758 AI-761 M-115 NH-36241 (E,6) M-115 NH-36241 (E,1) M-115 NH-36241 (C,6) AI-760 M-115 NH-36241 (C,1) 9488 A/R APPR: JIH 11-21-06 CHK: DWN: BAL 11-17-06 JJP 11-17-06 76 EC 01045154 CHK: APPR: BJR 3-11-08 RMG 3-12-08 DWN: 77 JJP 3-5-08 11951 01121715 A/R EC 13054 APPR: MH 8-26-08 CHK: DWN: BAL 8-25-08 JJP 8-25-08 78 EC NH-36049-15 MONTI CAD DWG ` ' This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. SCALE: NONE M-131 A Xcel NORTHERN STATES POWER COMPANY MONTICELLO NUCLEAR GENERATING PLANT Energy sm P&ID AIR SUPPLY TO OUTBOARD MSIV'S REV 81 13600 APPR: GEH 1-7-09 CHK: DWN: BAL 1-6-09 JJP 12-30-08 79 EC 17025 APPR: DM 3-18-11 CHK: DWN: BAL 3-17-11 JJP 3-17-11 80 EC AI-760-1 AI-761-1 AI-758-1 AI-759-1 SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A 601000000981 APPR: 600000420513 CHK: DWN: 600000437501 JJP 10-24-18 81 81

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STACK WRGM's SLOPE F-3B 2"-ED 1/2"-19M3 AIR EJECTOR OFF-GAS FILTERS 1/2" O.D. S.S. TUBING RR26-3/8" RR26-1/2" 18" OG-8-5 MOISTURE SEPARATOR 1/2" O.D. x.049" WALL SS TUBING OG30-1"-ED E-2B DISCHARGE STEAM PACKING EXHAUSTER DISCHARGE (B,2) NH-36249 HPCI TURBINE OFF-GAS M-123 TO MAIN CONDENSER E-1B NH-36035 (D,5) M-104 NH-36035-2 M-104-1 (B,3) NH-36034 M-103 (E,1) CONDENSER VACUUM PUMP DISCHARGE M-104-1 NH-36035-2 (B,1) SUPPLY DILUTION AIR TREATMENT SYSTEM FROM STANBY GAS NH-36881 (C,1) M-145 A M-145 NH-36881 (F,1) B 6 OG29-1/2"-HC EF HC PUMP 17-106 OG6-10"-HC M-155 NH-36267 (A,3) OG29-1"-HC OG30-1"-ED OG5-10"-HC OG24-3"-HC OG-15 3/4"-19 OG-14 3/4"-223 ED OG-16 1"-19 ED HC HC OG27 (18" DUCT) SLOPE OG-8-6 OG29-1/2"-HC SLOPE SLOPE VACUUM PI 7160 1/2"-112TM3 OG-12 OG-17-1 SAMPLE TO AIR EJECTORS BOTTLE NH-36159 C D OFF-GAS SAMPLE SYSTEM C04 E INST AIR FROM NH-36049-11 OFF-GAS SAMPLE RACK 17-116 PCV-7577 AI-838 OG29-1/2"-HC OG-18 3/4"-223 OG-17 3/4"-19 HYPODERMIC NEEDLE 7732 FIC-7578 OG-10 1/2"-112TM3 PI OG-178 OG-179 OG-181 PI 7733 OG-9 7156 PI A L 7158 PCV-7578 dPS 7155 TI FI OG-183 7154 (B,2) OG-180 M-131 HC RR27-1/2" SAMPLER BOX OFF-GAS VIAL 1/2"-112TM3 OG-11 17-136 PI 7159 OG-182 RR27-1/4" OG-8-4 4 SV 3 2 1 RR51-1/2" MIN RR21-1/2" (SS TUBING) HEATER RR24-1/2" HS C10 17-151 RM C02 4902 RR 6 STEAM PACKING HOLDUP LINE (1.75 MIN.) AIR EJECTOR HOLDUP LINE (30 MIN.) FROM STORAGE BLDG. 5 4 HC GALVANIZED STEEL DUCT REACTOR BLDG. COLLECTION MOISTURE FLASK 1/2"-112TM3 OG-13 SLOPE OG3-6"-ED SLOPE SLOPE 1/16"/ft SLOPE 1/16"/ft OG5-14"-HC SLOPE SLOPE NH-54823-2 42" Ø (D,8) LIQUID RETURN 42" Ø 3 SLOPE OFF-GAS STORAGE BLDG. DILUTION AIR SUPPLY NH-51142-1 NH-54823-2 TO OFF-GAS STORAGE (D,8) OG-7-1 PLATE BLANKING OG-7-2 2"-19 1/2"-19M3 FROM OFF-GAS STORAGE (D,6) NH-54823-2 8D 1/2" O.D. S.S. TUBING OG-7-7 1/2" WHITEY 43S4 OG-7-6 ED 0G27-18"-HC 1926 dPIS 6"-ED OG-5-1 6"-N14 6"-N14 F-3A 11 OG5-14"-HC OG-5-2 6"-N14 A H C07 OG-6-2 6"-N14 NH-54817-4 RR25-3/4" 3/4"-130M3 OG-8-1 OG-8-3 RR25-1/2" OFF-GAS VIAL SAMPLER CONTROL PANEL 17-137 LOOP SEAL HC EF GOLE-111-6"-HN2C L L L L 17-355 RS C02 4902 RR C04 C10 17-150A RM 17-104 RR23-1/2" 3/4"-130M3 RR22-1/2" SAMPLE CHAMBER L C C04 A C10 17-150B RM C H A CNE-128-1"-HN2C RECOMBINER TANK V-810 GOLE-119-6"-HN2C REDUCING FLANGE TO DRAIN OG-8 6"x3/4" FROM SYSTEM (B,1) A H C252A 30 MIN. TDR-3 TIMER A EMERG. TIMER C HIGH RADIATION AIR EJECTOR TRIPS 5 4 SAMPLE SMOKE INJECTION NH-36049-14 OG-7-3 (A,6) OG-36 2"-19 FILTER FROM PLANT M-131 AI-62 M-104-1 NH-36035-2 (B,4;D,4) SV QUICK INSTALLED DISCONNECT OG-7-4 1/2" WHITEY 43S4 OG-6-1 OG-7-5 AI-791 AI-791-1 AI-791-2 8D SLOPE AI-63 ED AI-65 1928 SV N.D. 2353 N.D. 3 C24A 2980 HS OG-35 AIR SUPPLY TO STACK SAMPLE STATION SLOPE 1/8" PER FOOT UNLESS OTHERWISE INDICATED. DEPTH OF LOOP SEALS TO BE A MINIMUM OF 36". VENDOR DRAWING NX-9288-14 AIR SUPPLY TO STACK DILUTION FAN DAMPERS This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. NORTHERN STATES POWER COMPANY MONTICELLO NUCLEAR GENERATING PLANT Energy Xcel 2 SLOPE 12 D30-1"-ED 1"-19 6. AIR SUPPLY TO STACK STOP NOTES: 2. 4. 5. 3. 1. SLOPE SLOPE NH-36159 1 MONTI CAD DWG ` ' M-142 SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A SCALE: P&ID OFF-GAS SYSTEM sm NONE AI-65 AI-62 AI-64 D31-1 1/2"-ED REV P 82 A B STAND-BY CONTROL DM-100 3/4"-130 3/4"-130 DM-101 C-20 FAN TROUBLE L O C C07 18" DIA..250 WALL PIPE VD-8000-J29 VD-8000-J11 OG5-14"-HC SLOPE OG3-6"-ED OG-7-8 L O C C07 SLOPE V-EF-18A CV 1928 3E ED 6" ED 11 3311 AI-64 HC HJ ED EF NH-36159-3 NH-36159-2 M-142 C02 17A-S5 HS (C,8) PROBE ASSY. ISOKINETIC M-142 (C,8) VD-8000-J30 OFF-GAS DILUTION FANS VD-8000-J12 FS 8000-J12 18" FS 8000-J11 18" 10" OG-34 1 1/2"-19 C-24 LOW FLOW C24B 2981 HS V-EF-18B 12 4311 L A HC 1 1/2" A L CV 2353 ED OFF-GAS STACK 6D BAFFLE PLT. STRAIGHTENING 8000H-2 SPS 8000H-1 SPS VANES A-358 TYPE 304 S.S. CLASS I (TYP.) 2 14" DIA. PIPE DEMINERALIZED WATER ERF 7-21-08 BAL 7-21-08 JJP 7-15-08 14626 SRR 8-26-09 BAL 8-6-09 JJP 8-5-09 SEE NOTE 6 STACK PIPE VAULT C242B C242A STACK STATION HOSE JB ED DW27-1 1/2"-JB DM-87 APPR: CHK: APPR: CHK: DWN: 79 DWN: EC C M-112 NH-36664 (D,4) ROOM STACK FAN D REVISIONS 12835 78 EC 1 E 21222 APPR: CLT 12-10-12 CHK: DWN: BAL 12-10-12 JJP 12-6-12 80 EC 601000000870 APPR: JPC 8-9-18 CHK: DWN: BAL 8-9-18 JJP 8-9-18 81 OG-17 INTERNALS HAVE BEEN REMOVED SV SV SV 7157 PI 17-131 RE 17-130A RE 17-130B RE HS HS HS HS APPR: 600000686596 CHK: DWN: 600000677406 JJP 2-19-20 82 601000001601 ADDT'L. PAGE ADDED TO.PDF DOC.

1/4 O.D. TUBING A 8 OFF GAS STACK SAMPLER ISOKINETIC NH-36159-2 VENT STATION B C D M-142 NH-36159 (D,2) 8 3/4 O.D. TUBING GRAB SAMPLE OFF GAS STACK WIDE RANGE GAS MONITOR CHANNEL "A" SAMPLE CONDITIONING SKID 7 6 (HIGH RADIATION) LOW FLOW 5 SGM-13-1 SGM-11-1 SGM-14-1 SGM-10-1 SGM-12-1 (TYPICAL) 4 LEAD SHIELDING (FOR BACKFLOW THROUGH ISOKINETIC SAMPLER) COMPRESSED AIR FITTING SGM-2-1 SGM-8-1 SGM-4-1 SGM-6-1 SGM-1-1 7 SGM-5-1 SGM-7-1 SGM-3-1 SGM-9-1 6 "C" PART. PART. I2 I2 I2 "D" PART. I2 SGM-20-1 SGM-16-1 SGM-18-1 (TYPICAL) PREFILTERS SGM-26-1 SGM-22-1 SGM-24-1 SV 4801A SV 4800A SV 4799A (LOW RADIATION) GRAB SAMPLE HIGH FLOW PART. I2 "B" PART. PART. "A" I2 I2 I2 SGM-19-1 SGM-17-1 SGM-15-1 (TYPICAL) PREFILTERS SGM-25-1 SGM-23-1 SGM-21-1 SV 4796A SV 4797A SV 4798A RY-7858A 5 3/4 O.D. (SEE DWG. NX-7993-3-7) P-139A (HIGH RADIATION) 0.06 SCFM PUMP LOW FLOW FLOW CONTROL VALVE 4 3 UNDER RM 80 CHECK SOURCES SAMPLE DETECTION SKID CONTROL RETURN TO STACK TUBING P-138A (LOW RADIATION) 2.0 SCFM PUMP HIGH FLOW FLOW CONTROL VALVE FROM RM 80 FROM RM 80 SV 4805A SV 4804A 1/4 O.D. TUBING CLEAN DRY PURGE GAS LOW PRESSURE MO 4807A SV 4802A SV 4803A CLEAN DRY 1/2 O.D. TUBING PURGE GAS LOW PRESSURE 4 MO 4806A PURGE VALVE DETECTOR FILTER UNDER RM 80 CONTROL GAS DETECTOR MID/HIGH RD72 RD72 SGM-35-1 TO RM 80 M F F T SGM-28-1 UNDER RM 80 CONTROL LOW GAS & BACKGROUND DETECTOR RD52 UNDER RM 80 CHECK SOURCE CONTROL 3 MASS FLOW METER SGM-34-1 M F T F SGM-27-1 (0-5V DC) TO RM 80 SAMPLE INLET GAS GRAB SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A 2 1 SGM-29-1 SGM-31-1 SGM-33-1 GAS GRAB SAMPLE OUTLET SX 1773 QUALITY GROUP D COLOR LEGEND SGM-32-1 FI-7156 SX 1772 A SGM-30-1 RM-7858A 2 DWN: APPR: CHK: 76 REVISIONS 1 JJP 3-5-08 11951 01121715 RMG 3-12-08 BJR 3-11-08 EC A/R B C D 20719 APPR: BJR 3-13-13 CHK: DWN: BAL 3-11-13 JJP 3-8-13 77 EC NH-36159-2 MONTI CAD DWG ` ' This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. SCALE: NONE M-142 B Xcel NORTHERN STATES POWER COMPANY MONTICELLO NUCLEAR GENERATING PLANT Energy sm OFF GAS STACK GAS MONITOR CH. `A' REV 78 RE-7858A-LOW FT-7201A-1 RE-7858A-MID FT-7200A-1 RE-7858A-HIGH 27040 APPR: AJW 10-17-16 CHK: DWN: BAL 10-17-16 JJP 10-11-16 78 EC 78 78

REACTOR VESSEL R-200 (2-1) REW6-3"-ED LEAKAGE (ISOLATION SIGNALS B,D,P) (2-77) 3/4"-SP110M1 3/4"-SP110M1 V15-1"-HB A/S H C03 TO CH. A REF. 2,7,8 HIGH RAD TRIP PRM125 (ISOLATION SIGNAL D) NH-36241 C02 4902 RR TRIP HIGH RAD REF. 2,7,8 TO CH. B PRM126 H C03 A B C R D R E FW2B-14"-ED NH-36037 (B,8) REACTOR CLEANUP (D,7) NH-36254 M-128 RETURN M-106 FEEDWATER `B' 6 LEAKAGE VALVE TEST PS15-3"-EB (ISOLATION SIGNALS B,D,P) TO FEEDWATER (ISOLATION SIGNAL D) C03 (ISOLATION SIGNAL D) (B,6) (D,2) M-128 NH-36254 TR-4926 WATER CLEANUP M-102 NH-36033 REF. 1 CONTROL TO FEEDWATER TO CONDENSER TO REACTOR (B,7) NH-36049-15 M-131 REF. 1 CONTROL C C03 DS H (E,6) C 2-126A TE MAIN STEAM NH-36033 M-102 C C03 (ISOLATION SIGNALS B,D,P) (ISOLATION SIGNAL D) M-128 WATER CLEANUP TO REACTOR TR-4926 (D,2) NH-36254 M-131 NH-36049-15 (B,7) C DS C03 H MAIN STEAM M-102 NH-36033 2-126B TE MST101 F (E,6) (D,6) (D,1) (E,1) 6 PS1-18"-ED MO-3"-N14 C126 C126 REF. 6 (E,6) 1 C 3/4"-SP110M1 C126 3/4"-SP110M1 C03 16A-S6 HS MS-4-1 L O C EB C ED D.C. MS-3-1 TEST C126 TEST PS2-18"-ED C03 16A-S2B HS C03 HS C126 REF. 6 C C292 S39 HS 1 3 2 C126 NH-36049-12 CRW M-131 (D,5) 5 VAR PRESSURE RELIEF NH-36241-1 TO REACTOR CFW192 T PS15-3"-EF 2-140E TT (ISOLATION SIGNALS B,D,P) PS18-8"-ED TEST NH-36049-12 TEST VALVE LEAKAGE FW-247-5 3/4"-130 THERMAL TEE NH-36250 NH-36248 CORE SPRAY M-124 (C,5,) M-122 (D,4,) HPCI MS-6 3/4"-130 5 LT7-3/4"-ED TW3-12"-ED 3/4"-130 FW-93-2 FW-92-2 3/4"-130 14"-NSp218U LEAKAGE VALVE TEST -DBD FW29-3/4" V15-3/4"-ED XDV-2 2"-7M3 L O C C04 (D,5) PS15A-2"-ED/EF C NH-36049-10 XFV-3 XFV-4 HPCI STEAM NH-36249 1"-972 SUPPLY M-123 1"-972 L O C C03 (SCRAM SIGNAL INTERLOCK) L O C C03 (SCRAM SIGNAL REF. 3 INTERLOCK) (2-74) D119-3/4"-ED MO-3"-N14 X-8 MS-5 C126 TEST VALVE LT2-3/4"-ED C L O C C03 L O C C03 ED C03 16A-S5 HS 1"-972 1"-972 EF L O C X-7A L O C C03 L O C C03 (A,3) C M-131 2372 CV ED TEST VALVE LEAKAGE C MS-4-2 C126 MS-3-2 (2-18) N.D. HB HB ED L O C C03 LT3-3/4"-ED L O C C03 REF. 3 L O C C04 2"-130 XDV-3 DC 5 (ISOLATION SIGNALS B,D,P) 2-114A FE TUBING 2-115E 3/4"-19M3 X-49F 2-115A X-49E 3/4"-19M3 ED EF REF. 4 3/4" 6" FW-247-4 DBD PS15B-2"-ED/EF CCD 6" 6" EF ED 3/4"-19M3 TEST 2371 SV ED 3/4"-19M3 (2-17) NH-36049-10 M-131 (A,3) X-7B C PS15B-2"-ED 2371 CV ED DC N.D. DC DCA 2-114B FE X-33C X-33B 2-115-B REF. 4 2-115-F V15-1"-ED A/S M-131 (D,5) 2"-110 XDV-1 FW-96-1"-DBD FW-119-2 L.O. 14"-NSp218U FW-95-2 FW-96-2 3/4"-130 3/4"-130 FW-91-2 ED HB 3/4"-130 FW-247-11 3/4"-130 FW-247-10 FW-94-2 4 TW7-8" VALVE TEST LEAKAGE ED HB X-9A LT9-3/4"-ED 14"-NSp218U FW-97-2 FW2B-10"-ED SPARE FW-98-2 FW-100-2 D56-3/4"-ED FW2B-10"-ED 3/4"-130 FW-101-2 3/4"-130 14"-SpN14 NOTE 1 NOTE 1 N-5A N-9 N-4B N-4A NUCLEAR BOILER INSTRUMENTATION M-116 NH-36242 (E,4) PRESSURE RELIEF NH-36241-1 2-140H TE (B,5) M-115-1 TO REACTOR PRESSURE RELIEF TO REACTOR M-115-1 NH-36241-1 (C,5) TO REACTOR PRESSURE RELIEF NH-36241-1 CFW196 T 2-140A TE 6" 2-71E RV 2-140E TE FW-247-6 M-115-1 (B,5) RTD (C,5) M-115-1 CFW195 T 2-140C TE TC TC RTD 6" V15-2"-ED 2-71B RV 6" V15-2"-ED PS2-18"-ED 6" 4 N-3B 2-71A RV CFW191 T 2-140H TT 6" N-3A 2-71G RV 6" LT1-1"-HB ACCESSIBLE DURING SHUTDOWN) (PIPED TO POINT IN DRYWELL LOW PRESSURE FLANGE LEAKOFF N-14 N-6B N-7 NOTES: MATERIAL CHANGES PER D.C. 81M010 PIPE MATERIAL FROM FEEDWATER NOZZLE SAFE ENDS TO FIRST UPSTREAM ELBOW AND FROM ELBOW TO FIRST WELD UPSTREAM OF ELBOW IS SCH. 80, SA-333, GRADE 6, ELBOW MATERIAL IS SCH. 80, SA-420-WPL6. FOR REFERENCE DRAWING LIST AND GENERAL NOTES SEE P&ID DRAWING No. M-100. FOR REACTOR VESSEL INSTRUMENTATION SEE P&ID DWG. No. M-116. FOR REACTOR RECIRCULATION LOOPS SEE P&ID DWG. No. M-117. REFERENCE DRAWINGS: FEEDWATER CONTROL SYSTEM IED PROCESS RADIATION MONITORING SYSTEM IED REACTOR PROTECTION SYSTEM SCHEMATIC CONTROL DIAGRAM, INBOARD MSIV's LOW LOW SET P&ID PNUEMATIC AND HYDRAULIC CONTROL CIRCUIT SCHEMATIC, OUTBOARD MAIN STEAM ISOLATION VALVES This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. MONTICELLO NUCLEAR GENERATING PLANT 3/4"-SP110M1 MS-3-4 MS-4-4 3/4"-SP110M1 PS3-18"-ED REF. 6 2 IED PRIMARY CONTAINMENT ISOLATION STEAM JET AIR EJECTORS PS15-3"-EF (ISOLATION SIGNALS B,D,P) 3/4"-19M3 2-114C FE 2-115-C TEST (2-20) 2369 SV N.E. T M-116-1 FW-93-1 3/4"-130 FW-92-1 3/4"-130 14"-NSp218U FW-246-4 FW-95-1"-DBD CH2-1 1/2"-ECB TW11-8" 3 FW-98-1 FW2A-10"-ED D55-3/4"-ED FW2A-10"-ED 14"-SpN14 N-4C N-4D N-5B N-10 NOTE 1 NOTE 1 FW-101-1 3/4"-130 FW-119-1 FW-100-1 3/4"-130 L.O. FW-97-1 14"-NSp218U FW-94-1 STANDBY LIQUID CONTROL JET PUMP INSTRUMENTATION LT8-3/4"-ED FW-95-1 3/4"-130 FW-96-1 3/4"-130 LEAKAGE TEST VALVE ED HB 14"-NSp218U X-9B LEAKAGE VALVE CORE SPRAY FW-91-1 3/4"-130 FW-246-11 FW-246-10 3/4"-130 ED HB M-127 TEST 3 PRESSURE RELIEF NH-36241-1 TO REACTOR NH-36241-1 PRESSURE RELIEF TO REACTOR N-3C N-3D 2-71D RV 6" RTD M-115-1 (B,4) HIGH PRESSURE FLANGE LEAKOFF N-13 N-6A 6" M-115-1 (C,4) REFUELING SEAL INSIDE OF DRYWELL PRESSURE RELIEF TO REACTOR M-115-1 NH-36241-1 (C,4) 6" TC 6" TC M-115-1 NH-36241-1 PRESSURE RELIEF TO REACTOR (B,4) FW-246-6 FW-246-5 RTD NH-36049-12 6" 6" REW1-1"-ED PS3-18"-ED (A,4) PS17-3"-ED TE2-113H - TE2-113A - TE2-113B - TE2-113C - TE2-113E - TE2-113F - TE2-113G - TE2-113D - M-131 A/S 2. REACTOR CLEANUP RETURN SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A NH-36242-1 (C,4) NH-36248 FW2A-14"-ED REW6-3"-ED NH-36253 LT6-3/4"-ED FW5-4"-ED FW30-3/4" M-122 -DBD VALVE LEAKAGE TEST RCIC (B,6) NH-36252 M-126 (E,3) 2 M-128 NH-36254 NH-36037 M-106 FEEDWATER `A' (B,5) (D,7) (D,8) 3. 6. 5. 4. 8. 7. REW1-3/4"-EF EF MS-160 1 1/2"-19 NH-36049-10 M-131 (B,3) RCIC STEAM (SCRAM SIGNAL INTERLOCK) LT4-3/4"-ED L O C C03 L O C C03 REF. 3 XFV-5 2-114D FE (ISOLATION SIGNALS B,D,P) 3/4"-19M3 TUBING 6" 2-115-D CCD PS15C-2"-ED/EF ED EF DBD 6" 6" C03 16A-S1D HS C03 HS TEST 2-115-H 3/4"-19M3 X-33F X-33E PS15D-2"-ED/EF ED EF REF. 4 3/4" C (D,5) SUPPLY NH-36251 M-125 1"-972 EF L O C C04 NH-36049-10 C04 HS X-33D 2-115-G 3/4"-19M3 X-33A REF. 4 - APR107 - APR101 - APR100 - APR102 - APR104 - APR106 - APR105 - APR103 ED 2369 CV NH-36049-12 L O C C03 XFV-2 X-7C L O C C03 C M-131 (B,3) (A,4) 1"-972 2-100 LS M-131 A/S L O C C03 L O C C03 LT5-3/4"-ED (SCRAM SIGNAL CONN. 1 1/2"-19 MS-161 FLUSH 1"-972 XFV-7 1"-972 XFV-6 ED C126 L O C C03 L O C C03 INTERLOCK) X-7D REF. 3 1. C126 TEST LEAKAGE VALVE 1. C REW1-1"-EF X-28F LEAKAGE (2-21) 2370 SV C TEST VALVE C126 N.D. 2 2370 CV EF HB 3/4"-SP110M1 3/4"-SP110M1 MS-4-3 C126 MS-3-3 TEST C03 HS L O C C04 1"-19M3 CRW XDV-5 XDV-6 NX-7993-1-1 & 1-2 & NX-7993-3-4 PRM128 NH-36241 MONTI CAD DWG ` ' M-115 REV NUCLEAR BOILER SYSTEM-STEAM SUPPLY P & ID NORTHERN STATES POWER COMPANY Energy Xcel sm NX-7834-1 & NX-7834-2-2 NH-36241-1 M-115-1 NX-7823-4-17, 4 & 5 NH-36035-2 M-104-1 1 SCALE: NX-7831-446 NX-56483-11 NONE (ISOLATION SIGNAL D) NH-36049-15 (ISOLATION SIGNALS B,D,P) M-131 (ISOLATION SIGNAL D) (ISOLATION SIGNAL D) C03 DS (E,6) C126 C126 C PS4-18"-ED TEST REF. 6 C 3 (E,6) MAIN STEAM NH-36033 M-102 C (ISOLATION SIGNALS B,D,P) C126 NH-36049-15 C (E,6) C03 16A-S2C HS C126 XFV-1 REW1-1"-HB 1"-972 A H C04 C55 NH-36033 MAIN STEAM M-102 (E,6) M-131 (C,7) C03 H C55 TO FEEDWATER (ISOLATION SIGNAL D) REF. 1 CONTROL TO REACTOR NH-36254 CONTROL TO FEEDWATER WATER CLEANUP REF. 1 TR-4926 M-128 NX-7832-14 (C,7) C03 C03 H DS REF. 2,7,8 (D,2) C HIGH RAD TRIP TO CH. B H C03 M-128 TO REACTOR WATER CLEANUP TR-4926 NH-36254 (D,2) HIGH RAD TO CH. A REF. 2,7,8 H C03 C TRIP 1 PRM127 R REVISIONS 91 AF A B R C D E PER AR 01385794 VERIFY MATERIAL FOR VALVE XDV-2 AT NEXT AVAILABLE OPPORTUNITY 2. AND RECONCILE IF NECESSARY WITH EXISTING HARDWARE CONFIGURATION. REF DWG NOTE 2 2372 SV 16A-S47 C04 HS C04 HS 16A-S46 25929 APPR: AJW 5-25-16 CHK: DWN: BAL 5-25-16 JJP 5-25-16 88 EC 601000000981 APPR: 600000420513 CHK: DWN: 600000437501 JJP 10-24-18 89 601000000402 APPR: 600000282935 CHK: DWN: 600000528282 JJP 4-15-19 90 2-101 PI 2-102 PS 2-123A TS 2-123B TS 2-123C TS 2-123D TS 2-118A dPIS 2-118B dPIS 2-118C dPIS 2-118D dPIS 6-51C FT MST102 F 2-126C TE 17-230C RE C10 17-251C RM 2-86C AO 2-80C AO 2-71C RV 2-71H RV C03 HS C03 16A-S2D HS C02 4902 RR C03 16A-S1C HS C03 HS 2-86D AO 2-119A dPIS 2-119B dPIS 2-119C dPIS 2-119D dPIS 6-51D FT MST103 F 2-126D TE 2-80D AO 2-71F RV 2-124A TS 2-124B TS 2-124C TS 2-124D TS 17-230D RE C10 17-251D RM C02 4902 RR 2-140F TT 2-140F TE 2-140B TE 2-140D TE CFW197 T CFW198 T CFW190 T CFW189 T 2-140G TT 2-140G TE 2375 POS 2376 POS 2374 MO 2373 MO MST100 F 2-116D dPIS 2-116C dPIS 2-116B dPIS 2-116A dPIS 6-51A FT XFV-8 XFV-9 2-86A AO 2-121D TS 2-121C TS 2-121B TS 2-121A TS 17-230A RE 2-80A AO C10 17-251A RM C02 4902 RR C03 16A-S2A HS C03 16A-S1A HS C03 HS 2-117A dPIS 2-117B dPIS 2-117C dPIS 2-117D dPIS 6-51B FT 2-122A TS 17-230B RE 2-122B TS 2-122C TS 2-122D TS 2-86B AO 2-80B AO C03 16A-S1B HS C03 HS C10 17-251B RM C03 HS APPR: 600000686596 CHK: DWN: 600000677406 JJP 2-19-20 91 601000001601 ADDT'L. 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(PERMISSIVE TO BYPASS SCRAM) REF. 4 2-3-51C M-116-1 NH-36242-1 LIS 2-3-672D 2-3-60B INSTRUMENT LINES TO SLOPE A MINIMUM OF 1/2 INCH PER FOOT TOWARDS INSTRUMENT EXCEPT FOR REACTOR WATER LEVEL INSTRUMENT FCD RECIRC. FLOW CONTROL SYSTEM VENDOR DWG. 729E203 IN TECH. MANUAL NX-7831-411 INSTRUMENT WATER LINES MUST NOT HAVE AIR TRAPS, AND STEAM LINES LINES TO DIFFERENTIAL PRESSURE TRANSMITTERS SHOULD BE AS SHORT VALVES TO BE LOCATED IN IMMEDIATE VICINITY OF INSTRUMENT PANELS LIS 2-3-672A,B,C & D INITIATE ECCS EQUIPMENT ON LOW LOW REACTOR WATER LEVEL. ON HIGH WATER LEVEL, LIS 2-3-672A & B (ONLY) TRIP LINES WHICH MUST HAVE A MINIMUM SLOPE OF 1/4 INCH PER FOOT. NH-36242-2 (C,3) M-116-2 SET OF STAINLESS M-116-2 NH-36242-2 (D,3) C55 C55 C55 C55 C55 C55 2-3-51A C55 2-3-672A 9-95 2-3-680A 9-95 ATWS RECIRC. 2-3-680C L RPV112 NH-36246 PS 2-3-53A A B C121 C PUMP TRIP LIS LIS D 6 C55 TRIP RECIRC. PUMP & INITIATE M-122 M-123 & CORE SPRAY SYSTEMS START STAND-BY DIESEL GEN. CLOSURE OF MAIN STEAM LINE NH-36251 (E,5), CONTRIBUTE TO AUTO BLOWDOWN, INITIATE RHR & RWCU ISOLATION VALVES. PS 2-3-50A RHR SYSTEM REF. 6 AUTO LPCI INITIATION AND AUTO PERMISSIVE FOR LOW LOW LEVEL INTERLOCK FOR CORE SPRAY INITIATION M-120 (B,3) M-121 NH-36247 (B,5) PS 2-3-49A C121 C121 M-122 NH-36248 (B,4) NH-36242-1 TO dPT-2-3-65 M-116-1 (E,6) P RPV110 2-3-61 LY 4107 ES/4100 LI 4107 C292 ISO C292 LT 2-3-178C 2-3-180C C55 2-3-180A LT 2-3-178A PT C55 LT PT NH-36251 (E,5), INITIATE HPCI NH-36247 (D,4) C55 RLM3-1"-DCB RLM1-1"-DCB NH-36242-1 M-116-1 (E,6) 2-3-60A PI 2-3-55A PS L RPV116 SYSTEM E/S 7251B NH-36242-2 M-116-2 BF-16 (D,3) REF. 1 C5 7437B PY PI C5 6-90B L RPV121 6-53B PT C55 3/8"SS LT NH-36249 (D,3), RCIC NH-36249 (D,3), RCIC 2-3-57A 2-3-657A NH-36246 (D,4) NH-36248 (E,3&E,5) M-120 FEEDWATER CONTROL SIGNAL TO M-123 2-3-85B 2-3-657C 2-3-85B LT 2-3-55B PS LI C05 C304A LS C55 2-3-51B C304A PS LIS 2-3-657D M-125 RLM5-1"-DCB M-121 C55 LT 6-52A M-125 LS LIS C55 C304B 2-3-657B 2-3-52B PS LIS C304B 2-3-57B LT PS SEE REF. 5 TYP. OF 29 JUNCTION BOX TO BE LOCATED INSIDE DRYWELL 5 4 RLM1-1"-DCA 1"-DC I-X28-R-A1 3/4"-19M3 I-X28-R-A2 3/4"-19M3 1"-972 XFV-24 XFV-56 1"-972 CRD HATCH X-28A X-6 X 1"CCA-GB I-X54-R-A2 XFV-88 COLUMN FROM ES7251B 1"-CCB-GB BF-51 1"CCA-GB I-X54-R-A1 1"-CCA 2-3-672C 1"-CCA DCB XFV-54 LIS DCA C303A 2-3-72A LT C303A C55 LS 2-3-672E 1"-CCA XFV-52 2-3-72C LT DCB EQUIP. ACCESS RLM5-1"-DCA X-54A X-28B HATCH X-1 FO X-28D X-28C 1"CCA-GB I-X53-R-A DCA L.O. VESSEL "O" @ 949'-5" BLDG. ELEVATION (VESSEL INVERT) 60° N8A CONDENSING L EL. 543'-1/2" (TYP. PT. 2-3-3A & B) RELATIVE TO VESSEL ZERO RLM3-1"-DCA 2-3-3A 2-3-2A CHAMBER C 2"x1" N-12A SHEATHED T/C CABLE STEEL ELEMENTARY DIAGRAM R.V. TEMP. MONITOR FCD HPCI SYSTEM FCD RCIC SYSTEM FCD CORE SPRAY SYSTEM IED FEEDWATER CONTROL SYSTEM IED NEUTRON MONITORING SYSTEM FCD RHR SYSTEM IED REACTOR PROTECTION SYSTEM FDC NUCLEAR BOILER MISC SYSTEM R.P.V. THERMOCOUPLE LOCATIONS & EXTENSION LEAD ROUTING 3. 1. 2. 11. 4. 7. 10. 8. 9. 5. 6. 3 FO NOTES: MUST NOT HAVE WATER TRAPS. SHOWN ON ARRANGEMENT DRAWING. AS PRACTICABLE. REFERENCE DRAWINGS: THE RCIC AND HPCI TURBINES. FOR COMPUTER POINT ID's RPV100 THRU RPV109 QTY 4 SRM CHANNELS QTY 8 IRM CHANNELS QTY 24 LPRM ASSEMBLIES RE RE RE 240° N8B 1. 4. 5. 3. 2. 1"-DC CHAMBER T/C CABLE CONDENSING RLM4-1"-DCA N-12B 2"x1" T/C 2-3-2B RLM2-1"-DCA 2-3-3B XFV-26 1"-972 XFV-57 1"-972 I-X29-R-A1 3/4"-19M3 3/4"-19M3 I-X29-R-A2 X X-29A 3/8"SS PI C56 1"CCA-GB RLM4-1"-DCB I-X54-R-B2 XFV-53 1"-CCA 1"-CCB-GB BF-52 RLM6-1"-DCA X-54B X-29B A,B,C,&D 1"CCA-GB I-X54-R-B1 (TYP. OF 4) C I-X53-R-B 1"CCA-GB X-29C X-29D XFV-89 1"-CCA TERMINALS L.O. 2-3-672B RLM6-1"-DCB 1"-CCA XFV-55 DCA DCB 2-3-672F LIS RLM2-1"-DCB LT 2-3-72B C56 C303B 2-3-72D LT E,3 C56 LS PS (PERMISSIVE TO BY-PASS SCRAM) REF.4 NH-36242 2-3-680E 2-3-680G 2-3-678A E LS LS SCRAM, REF.4 PIS 2-3-678C ATWS RECIRC. PUMP TRIP 9-95 C55 PIS 9-95 C55 TURBINE TRIP MAIN & RFW PUMP 9-95 9-95 SCRAM, REF.4 6 ISOLATION EXCEPT MAIN STEAM LINES & RWCU SCRAM & INITIATE PRIMARY CONTAINMENT (PERMISSIVE TO BY-PASS SCRAM) REF. 4 CONDENSER VACUUM INTERLOCK NH-36248, (E,4), REF. 10 ISOLATION EXCEPT MAIN STEAM LINE & RWCU REF.3 SCRAM REF. 4 & INITIATE PRIMARY CONTAINMENT M-120 CORE SPRAY SYSTEM RHR SYSTEM NH-36246 (D,3) M-122 CONDENSER VACUUM INTERLOCK HEAD ACCESS HATCH 2-3-66A1&A2, 2-3-69 1"-DC POT CENTERLINE 1"-972 XFV-25 NOZZEL FLANGE I-X28-R-E ELEVATION ABOVE TRIP HPCI & RCIC TURBINES NH-36249 (E,5) C303A (NOTE 4) M-123 FACE 5 1'-6 3/8" +/- 1/2" X-53A X-28E FO CONDENSING CHAMBER RLM1-1 1/2"-DCA 2"x1 1/2" 1014'-1 7/16"+/-2" ABOVE VESSEL ZERO (COLD ELEVATION) ELEVATION OF FLANGE FACE 2-3-1 1 1/2"x1" QTY 32 N-11A TE TE 4 X-4 FO TYP. OF 2 TYP. OF 3 2-3-67A1&A2 FLEXIBLE RLM2-1 1/2"-DCA NH-36241 TO DRYWELL EQUIPMENT SUMP STEEL N-11B B1&B2 N7 N8A A1 A2 2"x1 1/2" A3 TE M-115 (E,4) 38H TYP. OF 4 1 1/2"x1" 38D VESSEL WALL ADJACENT TO FLANGE (ONE TE 2-3-69) BOX LOCALLY AE EACH T/C TO HAVE OWN MOUNTED BY TR RECORD ALL RECORDED ON TR-2-3-90 EXCEPT THOSE X-53B X-103 T/C TYPE JUNCTION 2-3-89 TR C21 2-3-90 VESSEL FLANGE (ONE TE 2-3-69) C05 3 TRIP HPCI & RCIC TURBINES NH-36249 (E,5) M-123 NOTE 5 T CONDENSER VACUUM INTERLOCK C303B (NOTE 4) C56 C56 C56 C56 C56 PUMP TRIP (B,4) M-122 NH-36248 PERMISSIVE FOR LOW LOW LEVEL This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. NORTHERN STATES POWER COMPANY MONTICELLO NUCLEAR GENERATING PLANT Energy P&ID VESSEL INSTRUMENTATION NUCLEAR BOILER SYSTEM NX-7834-1 & NX-7834-2-2 NX-7830-2-1 & 2, NX-7830-4-1 THRU 4 NX-7831-58-1 & 2 NX-7832-3-1 THRU 6 NX-7831-178 NX-7822-60-1 THRU 3 NX-8292-15-1 THRU 3 NX-7905-6-1 THRU 3 NX-7833-3 NF-36790 2 Xcel C56 RPV115 LINE & RWCU ISOLATION VALVES. REF. 3 INITIATE CLOSURE OF MAIN STEAM TRIP RECIRC. PUMP REF. 7, AND M-125 NH-36241 (C,4 TYP) INITIATE NH-36248 (E,3&E,5) RHR SYSTEM NH-36247 (D,4) & START STANDBY DIESEL GENERATOR 2-3-85A PS 2-3-53B PI NH-36246 C122 INTERLOCK FOR PS 2-3-50B RHR SYSTEM REF. 6 NH-36242-2 M-116-2 BF-50 (C,3) PT 6-53A C56 M-120 (D,4) C5 7437A C122 PS 2-3-49B 6-90A E/S 7251A PY C56 2-3-658D 2-3-58B LIS 2-3-658B M-122 M-121 CONTRIBUTE TO AUTO BLOWDOWN 2-3-658C INITIATE HPCI NH-36246 (D,4) CORE SPRAY SYSTEM 6-52B LT C56 M-123 2-3-658A 2-3-58A LT C303B C56 C304C LIS C304C LS LT 2-3-52A PS NH-36249 (D,3), RCIC M-115 C5 2-3-51D 2-3-85A C304D LS C05 LI C304D 2 PS LT PS 2-3-55C L L RPV120 NH-36246 AUTO LPCI INITIATION AND AUTO CORE SPRAY INITIATION (B,3) M-120 SYSTEM REF. 1 FEEDWATER CONTROL C122 NH-36247 (B,5) M-121 L RPV119 P RPV114 9-96 2-3-680D TRIP MAIN TURBINE NH-36251 (E,5) M-120 2-3-180B LT C56 2-3-55D PS C56 2-3-180D LT PT 6-58 AND RFW PUMP 2-3-680F LS 9-96 2-3-680H LS 9-96 2-3-178B LIS 2-3-680B LIS PT 9-96 2-3-178D PT SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A NH-36242 MONTI CAD DWG ` ' M-116 SCALE: sm 1 NONE REV AG 81 A CO3 CO3 TO LT 2-3-85B RECIRC. ATWS E/S 7251B 7251A E/S LY 4203 B C D SCRAM REF. 4, INITIATE PRIMARY CONTAINMENT ISOLATION RHR SYSTEM NH-36247, (D,4) REF. 6, VALVE OPENING CORE SPRAY SYSTEM NH-36248, (E,4), REF. 10 & SCRAM REF. 4 & PRIMARY CONTAINMENT ISOLATION EXCEPT MAIN STEAM LINE & RWCU REF. 3 M-121 PERMISSIVE M-122 EXCEPT MAIN STEAM LINES & RWCU REF. 3 (PERMISSIVE TO BYPASS SCRAM) REF. 4 CONDENSER VACUUM INTERLOCK SCRAM, REF.4 2 RPV113 SCRAM, REF.4 TO RECORDER 6-98, C05, REF.1 P 2-3-678B PUMP TRIP ATWS RECIRC. 9-96 PIS PIS 2-3-678D 9-96 15277 REVISIONS JSO 4-24-07 BAL 4-24-07 JJP 4-3-07 BJR 3-11-08 RMG 3-12-08 JJP 3-5-08 01121715 KAB 12-11-09 BAL 12-10-09 JJP 12-10-09 18820 BL 10-6-11 BAL 10-6-11 JJP 10-6-11 ASSIGNMENTS POWER SUPPLY DWN: 78 CHK: APPR: APPR: CHK: DWN: APPR: CHK: DWN: 79 EC EC 76 APPR: CHK: DWN: 77 1 A/R EC EC 7462 11951 E 18580 APPR: BJR 5-13-13 CHK: DWN: PEB 5-13-13 JJP 5-13-13 80 EC C03 2-3-86 LI 4101 ES 25011 APPR: RAD 1-28-15 CHK: DWN: BAL 1-28-15 JJP 1-28-15 81 EC PAGE 3 ADDED TO.PDF DOC.

LI 4108 H FT2 3-64J 40B-E OUTSIDE DRYWELL NOZZLE IDENTITIES (TYP.) JET PUMP & TRANSMITTER MATCHING TRANSMITTERS FOUND ON FT2 3-63A & FT2 3-64A 40A-D FT 2-3-64A,B,C,D,E,F,H,J & K FT2 3-64S & FT2 3-63D A B C D 6 dPT 3-211 & CONTROL ROD HYDRAULIC SYSTEM TRANSMITTERS FOUND ON FT2 3-64V 40D-B 2-3-65 40C-F FT2 3-64L & FT2 3-63C 40D-E A LOOP JP11 TO JP20 40C-B 40D-A FT2 3-64N 40D-F FT2 3-64T FT2 3-64P FT2 3-63D FT2 3-64R 270° FT2 3-64M 40C-C 40C-D A C FT2 3-64U F-UPPER L-LOWER 40D-D 40D-C B D TO FT 2-3-64A FY-7288 2-3-92A FR 7288 C04 FI (B,C,D,E,H,J,K) TYP. FOR 7288 FI LOOP B (C,2) (C,2) RECIRC REC123 C38 C38 F 2-3-93 (C,2) C38 dPI dPT RACK C121 RACK C122 O° 180° PLAN X JP13 JP12 JP11 40C-E FT2 3-63C E-UPPER G J-LOWER FT2 3-64W 40C-A JP19 JP18 H JP16 JP17 JP14 JP15 K JP20 N M JET PUMPS JP9 40A-F FT2 3-64K (TYP.) JP10 M JP7 K JP8 FT2 3-63A 40A-E NON-CALIBRATED (TYP.) JET PUMPS CALIBRATED JP2 JP1 IDENTITIES NOZZLE J-LOWER J.P.I. (TYP) JP5 JP4 JP3 JP6 E-UPPER G dPIS 14-43B dPIS 14-43A & dPT 3-218 NH-36244 TO M-118 (C,1) FROM E/S 2-3-77D (D,1) NH-36248 CORE SPRAY TO M-122 SYSTEM (C,3) 2-3-64G FT NH-36242-1 E NH-36247 INTERLOCK FOR RHR SYSTEM REF. 6 M-116 NH-36242 C121 (C,D,E,H,J,K) TO FT2-3-64B E/S 2-3-88 "SS C03 (D,1) FROM (D,4) (B,6) M-120 NH-36246 6 C121 LS 2-3-73A TO FT2-3-64A (D,4) 3/8"SS M-121 (D,6) NH-36242 M-116 C121 LT 2-3-112B NH-36241-1 (B,8) M-115-1 C121 (DRYWELL) PRIMARY CONTAINMENT JP-1 & JP-6 ONLY CORE PLATE CORE PLATE HIGH PRESSURE TYP. 2 LINES CONNECTION PRESSURE BELOW PRESSURE ABOVE (SEE NOTE 6 FOR TABLE EXPLANATION) EXCESS FLOW CHECK VALVE (XFV) JP INST. LINE PENETRATION TO XFV-43 XFV-44 XFV-45 XFV-46 XFV-47 XFV-48 XFV-49 XFV-50 XFV-42 5 XFV-22 1"-972 XFV-23 1"-972 REACTOR CORE PRESSURE DROP 2-3-87B 1"-972 40B-A B LOOP JP1 TO JP10 40B-B FT2 3-64G 40B-F 40A-A FT2 3-64C F-UPPER 40B-D FT2 3-64H D 40B-C FT2 3-64B 40A-C L-LOWER C A B 40A-B FT2 3-64F FT2 3-63B & FT2 3-64E FT2 3-63B FT2 3-64D 90° F NOTE 5 TYPICAL FOR C121 FT 2-3-63A (D,1) E/S 2-3-88 FROM C 2-3-64F FT 2-3-62 STANDBY LIQUID NH-36253 M-127 CONTROL SYSTEM dPT (D,6) 2-3-63B FT C04 FI XFV-35 XFV-38 XFV-37 XFV-40 XFV-39 XFV-36 XFV XFV-29 XFV-28 XFV-31 XFV-30 XFV-34 XFV-33 XFV-32 XFV-27 XFV-41 PEN. X-40A-C X-40A-B X-40A-D X-40A-A X-40B-F X-40C-B X-40C-A X-40C-C X-40B-C X-40B-E X-40B-D X-40B-A X-40B-B X-40A-F X-40A-E TABLE PEN. X-40C-E X-40C-F X-40D-A X-40C-D X-40D-F X-40D-D X-40D-E X-40D-C X-40D-B SEE PLAN X X-27A X-27B E/S 2-3-77E 3/4"-19M3 1"-DC 3/4"-19M3 3/4"-19M3 (A,6) 1"-DC 1"-DC FROM (D,1) DC ECB DC DC DC DCA ECB 4 RE RE RE XFV VESSEL "O" ELEVATION @ 949'-5" BLDG. (VESSEL INVERT) 1 1/2" ECB ECB N 10 PUMP UNITS CALIBRATED JET THIS TAP ON 60° N8A JP-6 JP-7 JP-15 CALIBRATED JET PUMP UNITS JP-11 & JP16 ONLY THIS TAP ON QTY 24 LPRM ASSEMBLIES QTY 8 IRM CHANNELS QTY 4 SRM CHANNELS JP-16 240° N8B HIGH PRESSURE CONNECTION TYP. 2 LINES HIGH PRESSURE CONNECTION DCA ECB LOW PRESSURE TYP. 2 LINES CONNECTIONS TYP. 8 LINES CONNECTIONS LOW PRESSURE 1"-972 1"-972 2-3-94B LT RPV118 C03 2-3-113 LR E/S E/S 4101 C121 4100 PLR 4102 LY 4108 C292 ISO C292 C292 C121 C38 C03 2-3-91B LI 5 SEE PLAN X 3/4"-19M3 3/4"-19M3 (A,6) DC 1" DC 1" DCA DCA 4 LOW PRESSURE TYP. 2 LINES CONNECTIONS LOW PRESSURE TYP. 8 LINES CONNECTIONS DCA DCA MONTICELLO NUCLEAR GENERATING PLANT This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. TO FT 2-3-64L TO FT 2-3-64M TO FT 2-3-64N 2-3-77D-64 F,G,H,J,K 2-3-77C-64 A,B,C,D,E 2-3-77B-64 S,T,U,V,W TYPICAL OF 4 TO FT 2-3-64P TO FT 2-3-64R ARRANGEMENT DRAWING. FT 2-3-63B -- COMPUTER POINT REC143 FT 2-3-63A -- COMPUTER POINT REC142 X-40AB, LINES 11 TO 20 EXIT THRU PENETRATIONS N8B & X-40CD. SEE PLAN X. ALL INSTRUMENT LINES FROM JET PUMPS 1 TO 10 EXIT THRU PENETRATIONS N8A & VALVES TO BE LOCATED IN IMMEDIATE VICINITY OF INSTRUMENT PANELS SHOWN ON LINES TO DIFFERENTIAL PRESSURE TRANSMITTERS SHOULD BE AS SHORT AS PRACTICABLE. AND STEAM LINES MUST NOT HAVE WATER TRAPS. SLOPE OF 1/4 INCH PER FOOT. INSTRUMENT WATER LINES MUST NOT HAVE AIR TRAPS, EXCEPT FOR REACTOR WATER LEVEL INSTRUMENT LINES WHICH MUST HAVE A MINIMUM INSTRUMENT LINES TO SLOPE A MINIMUM OF 1/2 INCH PER FOOT TOWARDS INSTRUMENT FDC NUCLEAR BOILER MISC SYSTEM IED NEUTRON MONITORING SYSTEM IED FEEDWATER CONTROL SYSTEM REFERENCE DRAWINGS: IED REACTOR PROTECTION SYSTEM FCD RECIRC. FLOW CONTROL SYSTEM VENDOR DWG. 729E203 IN TECH. MANUAL NX-7831-411 R.P.V. THERMOCOUPLE LOCATIONS & EXTENSION LEAD ROUTING X PREFIX IS NOT SHOWN FOR PENETRATIONS ON PLAN X FT 2-3-63D -- COMPUTER POINT REC145 FT 2-3-63C -- COMPUTER POINT REC144 ELEMENTARY DIAGRAM R.V. TEMP. MONITOR FCD CORE SPRAY SYSTEM (DRYWELL) PRIMARY CONTAINMENT (M,N,P,T,U,V,W) TO FT2-3-64L 3 INCORE PROBE TRANSVERSING E/S 2-3-77E (TIP) X-35 A-E SEE PLAN X X-50D 3/4"-19M3 3/4"-19M3 DC DC (A,6) FROM (D,1) 1"-972 XFV-51 1"-972 2-3-64R FT 2-3-87D C04 FI F NOTE 5 TYPICAL FOR 2-3-63D FT 2-3-63C FT 2 T,U,V & W (C,6) (C,6) (C,6) TOTAL REACTOR JET PUMP FLOW TYP. FOR FT 2-3-64L,M,N,P,R, REC136 F 2-3-64S FT FR 7288 FY-7288 2-3-95 dPR/FR CO4 2-3-92B CO4 FI C38 C38 7288 FI C38 10. 11. 9. 8. 6. 7. FCD RCIC SYSTEM FCD HPCI SYSTEM FCD RHR SYSTEM RECIRC. LOOP A REC122 F 3. 2. 1. 5. 4. 5. 4. 6. 1. 3. 2. NOTES: LS 2-3-73B 3 C03 2-3-91A LI C03 7251A E/S 3/4"-19M3 SEE PLAN X 3/4"-19M3 DC DC (A,6) 1"-972 1"-972 L RPV117 C04 2-3-94D NH-36242 C38 3/8"SS C122 C122 LT 2-3-112A (D,3) M-116 TO FT2-3-64L FROM JP12 & 20 (N,P,T,U,V,W) TO FT2-3-64M NH-36241-1 INTERLOCK FOR RHR SYSTEM REF. 6 NH-36246 TO PAS SYS. NH-96042-1 M-115-1 C122 (D,4) C122 M-120 (D,4) (A,6) M-121 NH-36247 (C,8) 2 ASME CLASS 1/QUALITY GROUP A ASME CLASS 3/QUALITY GROUP C SAFETY RELATED MECHANICAL ASME CLASS 2/QUALITY GROUP B SAFETY RELATED ELECTRICAL SPECIAL CONCERNS ITEM REV M-116-1 MONTI CAD DWG ` ' NH-36242-1 Xcel Energy NORTHERN STATES POWER COMPANY sm 1 TO FT 2-3-63A P & ID JET PUMP INSTRUMENTATION NUCLEAR BOILER SYSTEM POWER SUPPLY ASSIGNMENTS E/S 2-3-77A E/S 2-3-77E NX-7822-60-1 THRU 3 NX-8292-15-1 THRU 3 SCALE: NONE NX-7905-6-1 THRU 3 NX-7831-178 NX-7833-3 COLOR LEGEND QUALITY GROUP D NX-7830-2-1 & 2, NX-7830-4-1 THRU 4 NX-7834-1 & NX-7834-2-2 NX-7831-58-1 & 2 NX-7832-3-1 THRU 6 NF-36790 81 A A B C D SPARE SOCKET SPARE SOCKET TO dPT 2-3-65 (D,6) TO dPT 2-3-62 (C,5) TO FT 2-3-63D SPARE SOCKET SPARE SOCKET TO FT 2-3-63C TO FT 2-3-63B 2-3-88 C19 E/S APPR: CHK: APPR: DWN: DWN: APPR: CHK: CHK: DWN: 78 1 77 76 DDW 4-6-11 VJK 4-7-11 BAT 4-3-11 15557 EC JSO 4-24-07 01121715 11951 JJP 3-5-08 RMG 3-12-08 BJR 3-11-08 REVISIONS BAL 4-24-07 JJP 4-3-07 EC A/R 7462 EC E DWN: CHK: APPR: 79 EC 12331 JJP 6-12-12 PEB 6-21-12 EPW 8-2-12 21613 APPR: PEB 3-1-13 CHK: DWN: SLM 3-1-13 JJP 3-1-13 80 EC 25011 APPR: RAD 1-28-15 CHK: DWN: BAL 1-28-15 JJP 1-28-15 81 EC PAGE 3 ADDED TO.PDF DOC.

6 NH-36242-2 E D C B A 6 5 4 3 ,------------------------------7 I I FROM CRO I I CHARGING I I HfADER (EIDH:>,-i><IIB!~<h--~--+--rt><l----Ca-----1><1t-r----'-----lm--;:::iPQ---C><J--~--l>CJ--r-N--.-----r"'-J-----'-----i NH-3624-4 (C,6) 5 I I I L------------------------------~ RACK C-353 4 3 2 CC 2-3-3A CC 2-3-JB 2 1 REVISIONS 76 EC11951 "A/R 01121715 OWN: JJP 3-5-00 CHK: Im 3-1 Hll APPR: RIIG 3-12-()8

1.

INSTRUMENT LINES TO SLOPE A MINIMUM OF 1 /2 INCH PER FOOT TOWARDS INSTR\\JMENT EXCEPT FOR RrACTOR WATER LEVEL INSTRUMENT LINES WHICH MUST HAVE A MINIMUM SLOPE Of 1/4 INCH PER FOOT. INSTRUMENT WATER LINES MUST NOT HAVE AIR TRAPS, AND STEAM LINES MUST NOT HAVE WATER TRAPS.

2.

LINES TO DIFFERENTlAI. PRESSURE 1RANSMIITTRS SHOULD BE IS SHORT IS PRACT1CABLE.

3.

VALVES TO BE l.OCAlED IN IMMEDIATE VICINITY OF INSTRUMENT PANELS SHOWN ON ARRANGEMENT DRAWING. RfEERENCE DRAWINGS*

1.

ED FmMAlER CONIROl SYSIOL....... -----***-.NX-7832-3-11}l!IJ 8

2.

ED NEU1RON IICNTORING SYSIOI.. __.

                  • -**-*****.NX-7830--2-1 a: 2, NX-7830---4-1 111RIJ 4 J.

FllC MJCUNI BOLER MISC SYSTDL....................... --*********.NX-7831-511-1 & 2

4.

ID R£ICTOR PROJEC1lON SYSIOl...................... *--*************.NX-7834-1 a: NX-7834-2-2

5.

R.P.V. 1l£RIIOCOtl'l£ LOCATIONS clc EXlEMSION 1.£1,1) ROU!Nl *......tf"-36790

6.

FUl Rtfl sr,::to,'-----------***************-.NX-7905-6-1 111RIJ l

7.

FUl RECl!C. FUM CONJROl. SYSIOI 'lfNOOR !MG. 729E20l ti Tmf. MN<<.W. NX-7831--411

8.

FUl l-l'CI sr:m!------************--************.NX-8292-15--11}1!1J J

9.

FUl Rae SYSIOI.

                                            • -- -****.............NX-7822-6(1-1 1}l!IJ l
10. FUl CORE SPRAY SYSIOI.._.............
11.

EI..EMENTARY llllGIWI R.Y. TOI'. IIONTOR *..... ---*****.Nl(-7833-3

  • --..NX-7831-178

-~IIIU'A _,__CIA1S=lllll'I NiP MONTICELLO NUCLEAR GENERATING PLANT UNIT 1 _,__GASS IIIU'C -QUMJIY D -SlfEIY RElAIBI lilDWII:#.. SAFETY RElATED EI..ECIRICAL SIGNIFICANT NUMBER 8700 -- RX GROUP 2 3 6 MONTICELLO NUCLEAR GENERATING PLANT P & ID REFERENCE LEG BACKFILL SYSTEM NUCLEAR BOILER SYSTEM NORTHERN STATES POWER COMPANY 1-'S=CALE'-="-: """'NO:.:.aN=-E ---'-"'-" REV

.:....;.7.....

6 -t MINNEAPOLIS NH-36242-2 1 E D C B

MONTICELLO NUCLEAR GENERATING PLANT Xcel

2-2A-F1F2 3/4"-19M3 XFV-78 XFV-79 UPPER 2-2B-J1J2 TO JCT. BOX A 6 B HF HF CLOSED COOLING WATER REACTOR BUILDING CW3-2"-HF CW4-2"-HF M-111-1 (B,5) NH-36042-2 2-2-23B FSL A L RECIRC. LOOP M-117 NH-36243 (A,6) HX. PUMP SEAL UPPER COIL REW13B-28"-DCA REDUCING PRESSURE PUMP SEAL HX. 5 4 3/4"-19M3 XFV-81 DCA TE 2-2-11B SV 2-2-11B AO REDUCING COIL HB PRESSURE FSH 2-2-21B CRW XR-29-2 3/4"-CCA 3/4"-CCA XR-30-2 REW13B-28"-DCA HB REW13B-14-1"-DCA REW13B-23-1"-DCA (2-2-1B) P-200B 12 RECIRC. PUMP SC4-1"-DCA HB DCA LOWER PUMP SEAL CHAMBER CHAMBER PUMP SEAL RECIRC. LOOP (A,5) NH-36243 M-117 DCA X-32F DCA DC 2-2-25B C57 PIT 1"-972 PI 2-2-33B C04 2-2-33A C04 PI 2-2-25A C58 PIT 1"-972 XR-10-4 3/4" 3/4" 3/4" 3/4" XR-10-2B 1"-CCA 1"-CCA XR-10-2 C D HB DCA VE 5603B 5603A VE 5603 REC127 V VM A H LOWER ORW 1"-CCA L38-12 LOWER BEARING T-208B OIL ADDITION RESERVOIR OIL (5 GAL) 4935B SV

  1. 2 MOTOR 4936B SV SLOPE 2-2-22B TE 2-2B-K TE LS LS H

A NH-36243-1 E 6 2-2B-F1F2 XFV-80 V89-1"-DCA XR-9-2 1"-CCA X-32E XR-27-2 DCA DC 1" BKR.152-203

  1. 2 MOTOR LS LS A

L 2-2B-A1A2 TE 2-2B-H1H2 TE TE 2-2B-D1D2 2-2B-C1C2 2-2B-B1B2 TE TE TE 2-2B-E1E2 TE X-38B TE/G1,G2 LOWER GUIDE BEARING E/S 2-2-29 TE/H1,H2 UPPER SEAL CAVITY TE/J1,J2 LOWER SEAL CAVITY TE/K1,K2 BEARING OIL COOLING WATER TE/22 SEAL CAVITY COOLING WATER 2-2-24B C57 PIT C04 PI 2-2-32B C18 CONTROL ROD NH-36244 (A,2) DRIVE M-118 C04 2-2-32A PI 2-2-24A C58 PIT M-118 NH-36244 DRIVE CONTROL ROD (A,3) X-37B LIST OF PUMP & MOTOR THERMOCOUPLES (TYPICAL FOR EACH PUMP) TE/A1,A2 THRUST BRG. UPPER FACE (M-146 & M-147) TE/B1,B2 THRUST BRG. LOWER FACE TE/C1,C2 UPPER GUIDE BEARING TE/D1,D2 MOTOR WINDING `A' (R-244 & R-245) TE/E1,E2 MOTOR WINDING `B' TE/F1,F2 MOTOR WINDING `C' FROM TE (B,6) BOX JCT. 2-2B-G1G2 TE

  • REC130-D1 REC131-D2 REC116-B1 REC117-B2 T

FROM TE (B,2) JCT. BOX (SEE BELOW) 2-2A-G1G2 TE

  • TE VIBRATION SWITCH RESET REF. 1 INTERLOCKS F.C.D.

HS 5 2-2-31 THERMOCOUPLES RECORDED PER PUMP-MOTOR UNIT TE/F1 TR A TE/A1 TE/B1 TE/C1 TE/D1 TE/E1 H TE/G1 TE/K1 TE/22 TE/J1 TE/H1 4 UPPER THIS WAS REDRAWN FROM P&ID M-117 (NH-36243) REV. M2 AND INCORPORATES CHANGES AND AS BUILT INFORMATION BASED ON THE RECIRCULATION PIPING REPLACEMENT PROGRAM. REFERENCE DRAWINGS: RECIRCULATION FLOW CONTROL F.C.D. (GE 729E203) 5828-APED-2A-7 8C8 (DRAWING IS IN TECH. MANUAL NX-7831-411) 3 2 2-2A-J1J2 TO JCT. BOX PRESSURE REDUCING COIL DCA DCA HB CRW 3/4"-CCA XR-29-1 XR-30-1 3/4"-CCA DCA HBB HB 2-2-11A AO 2-2-11A SV REDUCING COIL PRESSURE TE REW13A-28"-DCA (A,3) RECIRC. LOOP M-117 NH-36243 HB X-31F DC DCA P-200A (2-2-1A) REW13A-7-1"-DCA REW13A-5-1"-DCA 11 RECIRC. PUMP HB DCA PUMP SEAL CHAMBER CHAMBER PUMP SEAL LOWER SC1-1"-DCA HF HF CLOSED COOLING WATER CW4-2"-HF CW3-2"-HF M-111-1 NH-36042-2 (A,5) REACTOR BUILDING 2-2-23A L A FSL NOTES: 1. 1. NH-36243 RECIRC. LOOP PUMP SEAL UPPER HX. REW13A-28"-DCA PUMP SEAL HX. (A,2) M-117 1 A B XR-10-1 1"-CCA 1"-CCA XR-10-3 1"-CCA XR-10-2A X-31E V88-1"-DC XR-27-1 DCA DC V88-1"-DCA 1"-CCA XR-9-1 2-2A-B1B2 2-2A-H1H2 BKR.152-103 TE 2-2A-D1D2 MG CONTROL 01103 2-2A-E1E2 TE

  • TE 2-2A-C1C2 TE TE C04 MOTOR
  1. 1 3/4" 3/4" 3/4" 3/4" 2-2A-A1A2 TE LS LS
  • H A

A L DCA HB 5602A 5602B LOWER VE ORW VE 5602 REC126 V VM H A L38-10 SLOPE 4936A SV LS LS 2-2A-22A 2-2A-K TE TE LOWER BEARING RESERVOIR OIL ADDITION (5 GAL) T-208A 4935A SV OIL

  1. 1 MOTOR INTERLOCKS SWITCH RESET VIBRATION HS REF. 1 F.C.D.

3 2 C D REVISIONS 1 E DC 806 APPR: DZ 4-12-07 CHK: DWN: RLJ 4-12-07 JJP 4-2-07 76 EC DWN: CHK: APPR: 77 01059540 JJP 6-18-07 BAL 6-18-07 EAN 6-20-07 9741 EC A/R A/S M-131 NH-36049-12 (D,5) ENERGIZED WHEN B DRIVE MOTOR BREAKER OPEN (A,3) NH-36049-12 M-131 A/S DRIVE MOTOR BREAKER OPEN ENERGIZED WHEN A SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A CHK: APPR: BJR 3-11-08 RMG 3-12-08 DWN: 78 JJP 3-5-08 11951 01121715 A/R EC 10856 APPR: MAC 5-1-09 CHK: DWN: DDW 4-30-09 JJP 4-28-09 79 EC NH-36243-1 MONTI CAD DWG ` ' This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. SCALE: NONE M-117 D Xcel NORTHERN STATES POWER COMPANY MONTICELLO NUCLEAR GENERATING PLANT Energy sm P&ID RECIRC LOOPS, PUMPS & MOTORS NUCLEAR BOILER SYSTEM REV 85 23704 APPR: BJR 3-13-14 CHK: DWN: BAL 3-11-14 JJP 3-11-14 80 EC

  • NOTE 2 THE PRIMARY THERMOCOUPLE FOR THE B RECIRC #1 SEAL CAVITY FAILED A NEW WIRE WAS INSTALLED IN J10 SUCH THAT THE B RECIRC IS NOW FED FROM THE SPARE THERMOCOUPLE J2.

2. 25011 APPR: RAD 1-28-15 CHK: DWN: BAL 1-28-15 JJP 1-28-15 81 EC PAGE 3 ADDED TO.PDF DOC. 23857 APPR: MJW 5-4-15 CHK: DWN: ESS 5-4-15 JJP 4-13-15 82 EC XR-51 XR-50 XR-52 XR-53 RETIRED IN PLACE 26787 APPR: SJH 4-14-17 CHK: DWN: BAL 4-14-17 JJP 4-7-17 83 EC 7239A 7239B 7238A 7238B 7240A 7240B 7241B 7241A

  • SEE NOTE 3
  • SEE NOTE 3 26888 APPR: TKN 5-10-17 CHK:

DWN: BAL 5-1-17 JJP 5-1-17 84 EC

3. XR-27-1 AND XR-27-2 ARE PISTON STYLE CHECK VALVES PER ECR601000001449.

3 4" 3 4" V89-3 4"-DCA D133-11 2"-HB D135-3 4"-HB LT12-3 4"-DCA V1B-3 4"-DCA 3 4" 3 4" 3 4" V1A-3 4"-DCA LT11-3 4"-DCA D134-3 4"-HB D132-11 2"-HBB 3 4" V88-3 4"-DCA 601000001449 APPR: 600000537608 CHK: DWN: 600000537659 JJP 5-3-19 85 85

MONTICELLO NUCLEAR GENERATING PLANT Xcel

3-127 A & B BOTTLE SIZE TYPE "G" NITROGEN ACCUMULATOR N CHARGING SYSTEM NO. A-2 SCRAM VESSEL REACTOR CONTROL UNIT ARE PREFIXED BY 3-13. NOTE: ALL EQUIPMENT NUMBERS WITHIN (CONTROL UNIT SUPPLIED BY G.E.) (TYPICAL FOR 121 UNITS) HYDRAULIC CONTROL UNIT 3/4"-JD SCRAM VALVE PILOT AIR CHANNEL A CHANNEL B DRIVE ROD CONTROL NH-36244 CONTROL UNIT M-118 TEST CONNECTION CRD-114 A B 6 CONTROL UNIT TO HERE 4" OR 6"-DB SCRAM DISCHARGE HEADER CRD-116 1/2"-JD CRD-112 TEST CONNECTION P5 3/4"-DC G.E. B. (E,3) (E,2) 3/4" NOTE: VALVE IS A DUAL SOLENOID THREE WAY POPPET VALVE CONTAINED IN ONE VALVE BODY AND SCHEMATICALLY FUNCTIONS AS DEPICTED. L O C C05 EXHAUST 127 POS (E,6) NH-36244 M-118 G.E. B. NH-36245 TEST CONNECTION C D E B. HIGH POINT VENT 3/4"-460M3 3/4" CONTROL UNIT TO HERE G.E. CRD-102 P4 3/4" 1/2" CRD-140 FOLLOWING BALL CHECK FLUSH INSTALL VALVE FROM N.E. X-38 SLOPE 1/8"/FT A THRU D 3/4"-DC P1 1"-DE EXHAUST WATER TEST CONNECTION CRD-105 1/2"-DC ELEMENT 1/2" 1/2" 136 FILTER 6 P2 1/2" CRD-137 CRD-103 (E,6) B. G.E. NH-36244 M-118 1/2"-DC TO HERE 1/2"-DC 5 TUBE FITTING N CHARGING SYSTEM 2 WITH CAP P6 ELEMENTARY PROTECTION FROM REACTOR EAST L H L C54 WEST L H L C72 CONTROL UNIT TO HERE LAH PAL C05 DIAGRAM CRD-111 1/2" L O C C05 4 1"-DC ACCUMULATOR CHARGING WATER ACCUMULATOR CRW 125 (D,6) CRD-115 CRD-113 CRD-107 1/2" 1/2" NH-36244 M-118 G.E. B. TO HERE CONTROL UNIT PCV 2445 CRD-138 CRD-104 1"-DC COOLING WATER 1/2"-DC TEST CONNECTION HIGH POINT VENT X-37 A THRU D SLOPE 1/8"/FT FOLLOWING INSTALL FLUSH 1"-DC INFORMATION TO POSITION TE SYSTEM POS DRIVES OTHER FROM CONTROL UNIT TO HERE B. G.E. CRD-139 1"-460M3 CRD-101 A H C05 1" CRD005 3-243 TSC 3-244 TR C59 C59 1/2" FILTER ELEMENT 1/2" 1/2" 134 1/2" G.E. TO HERE CONTROL UNIT 1"-DC DRIVE WATER (D,6) B. 5 120 SV 123 SV CRD-86 135 P3 WITHDRAW WITHDRAW INSERT INSERT SETTLE DIAGRAM ELEMENTARY CONTROL FROM MANUAL 1/2" A H C05 1/2" 1/2" ORW TO HERE CONTROL UNIT FILTER ELEMENT G.E. CRD-75 (D,6) M-118 B. NH-36244 4 PI L O C C05 L O C C05 CRD-84 PI 3/4"-CCD (TYP) This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. MONTICELLO NUCLEAR GENERATING PLANT AT CAP P6 REQUIRED TO HCU'S HOOK-UP AS TO INDIVIDUAL 3-29 SV SYSTEM PROTECTION REACTOR 3 VENT A & B BANKS (TYP) 2 CRD-201-1 1/4"- CRD-201-2 3-232B PI 2443 "B" BANK "A" BANK RV SUPPLY CRD AIR HEADER 70 - 75 PSIG NH-36244 M-118 (E,4) CRD-203-2 CRD-202-2 1/4"- CRD-202-1 CRD-203-1 1/4"- 3/4"-73 CRD-76 AI-216-6 CO5 5A-S11 HS PI 3/4"-JD 2 SCRAM DISCHARGE PIPING CHANNEL B CHANNEL A ND NE NE NE NE 1/2" CRD-77 1/2" CRD-78 SLOPE=1/8"/FT 1/2" NH-36043 M-137 (E,4) CRD16A-2"-CCD CCD 1"-CCD (TYP) 3/4"-CCD (TYP) (TYP) L O C C05 ORW 3" L O C C05 PI CRD-90 CRD-88 CRD16A-24"-CCD PI 3 TYP 15 UNITS CRD13A-4"-DB FROM HYDRAULIC CONTROL UNITS TYP 15 UNITS FROM HCU CRD15A-4"-DB CRD14A-6"-DB TYP 31 UNITS FROM HCU CRD17A-1" CCD (A,6) 3/4" DC 3/4" DC (A,6) 3/4" DC (A,6) SCRAM DISCHARGE HEADERS CRD16A-12"-CCD SLOPE=1/8"/FT L O C C05 L O C C05 NH-36044 M-138 CRD-91 CRD-89 PI NO. A-1 SCRAM PI (E,4) CRW 3" CRD16B-2"-CCD CCD CRD16B-24"-CCD 1"-CCD (TYP) (TYP) SCRAM DISCHARGE HEADERS ROD WITHDRAWAL BLOCK NO. B-1 SCRAM (A,6) 3/4" DC (A,6) 3/4" DC (A,6) 3/4" DC CRD16B-12"-CCD CRD14B-6"-DB CRD15B-4"-DB FROM HCU TYP 16 UNITS TYP 13 UNITS CRD13B-4"-DB CONTROL UNITS FROM HYDRAULIC TYP 31 UNITS FROM HCU 2 NH-36245 MONTI CAD DWG ` ' M-119 REV 1 P&ID CONTROL ROD HYDRAULIC SYSTEM NORTHERN STATES POWER COMPANY Energy Xcel sm SCALE: NONE 80 M A B CRD-87 1/2" NO. B-2 SCRAM 1/2" 1/2" C 1/2" L O C C05 CRD17B-1" CCD CRD-85 PI PI L O C C05 CRD-74 ORW APPR: CHK: DWN: 77 12044 JSO 3-25-09 KEC 3-25-09 JJP 3-25-09 EC REVISIONS C D E 20150 APPR: DAM 8-12-12 CHK: DWN: PEB 8-9-12 JJP 8-8-12 78 EC N.E. 117 SV 118 SV EXHAUST SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A 25011 APPR: RAD 1-28-15 CHK: DWN: BAL 1-28-15 JJP 1-28-15 79 EC PAGE 3 ADDED TO.PDF DOC. H 2 O N 2 N 2 127 CV 121 SV 122 SV 3-32C CV 3-32A CV 3-32B CV 3-32D CV 7430B LS 7429B LS 7428D LS 7428C LS 7428E LS 7428F LS 3-33B CV 3-33D CV 7428B LS 7428A LS 3-33A CV 3-33C CV 7428H LS 7428G LS 7429A LS 7430A LS 3-31C SV 3-31D SV 3-31B SV 3-31A SV 2444 PCV 2442 RV 3-232A PI 129 LD 130 PS 131 PI 132 PSD 126 POS 126 CV APPR: 600000686596 CHK: DWN: 600000677406 JJP 2-19-20 80 601000001601 ADDT'L. PAGE ADDED TO.PDF DOC.

MONTICELLO NUCLEAR GENERATING PLANT Xcel 6 5 4 3 2 1 NH-36246 FROM CONDENSATE SERVICE WATER (M-114-1) NH-85509 {A,6) C03 REVISIONS 81 EC20263 DWN: JJP 6-21-12 CHK: BAL 6-22-12 APPR: KMF 6-27-12 E D FT14-408 FT10-978 PERMISSIVE TO OPEN WHEN SHUTDOWN CLG. SUCTION V,,J...VE M0-1989 IS CLOSED {EXCEPT IN ASDS MODE) I I L ______ _ RV51-1 1/2"-H 'r ORW FROM E/S 7251 B "f C B A I t 10-109 ~L ___ _ ~3-r--, co3 I DI]

[JEI39B T

TO FR10-143 { M-121) NH-36247 (C,2) CST-93 2 -130 SC298-2"-GE TW23-12" -GE C03 C03 D100-3/4"-G 0 "' I w C> I 'b 82 EC20651

{BU_

_IT[] ~

~

RHR-16-2 3 4 -130 RHR-17-2 3 4 -130 a:: a:: -I,,, DWN: JJP 4-29-13 CHK: BAL 4-29-13 APPR: J[B 5-1-13 83 EC21396 DWN: JJP 5-8-13 CHK: PEB 5-8-13 APPR: WMS 5-8-13 w C> I I ~ I I I I VALVE LEAKAGE TEST CONN. ~ X-39A L----------------7 TW23-12" -GE RHR-76-2 RHR-75-2 RHR-74-2 w C> I * "' I I@ FROM I F r E/S 4101 r-HR101 TW20-16" -GE FROM PS-10-119A,8,C,D (M-143)~------ NH-36258 DRYWELL HIGH PRESSURE AND REACTOR VESSEL LOW LEVEL (D,4) INTERLOCKS (PERMISSIVE TO OPEN,_ ________ 7 VALVES MANUALLY) 1 I ~-------~--~ I I I I I FROM I t l IS-2-3-73A,8 I REACTOR VESSEL LOW LEVEL D180-1"-GE RHR-64 RHR-34 1 -19 (M-116-1)~---*-- INTERLOCK (PERMISSIVE TO OPEN i I N~E,~ttE~~)1 VALVES ~UALLY) I i FROM ( M-143 )l---------- NH-36258 (x=-29E' M0-12 -N26 ,----------------------..l i I PS-2-3-528 l I I ( M-116) T AUTOMATIC VALVE ACTUATION i I NH-36242 r-----------..------------------- ______________________ j_ ___ _(fi,p~~- ~~~~~~~EHJ:~~.19-Q~Q ____ i_+ (PERJ~~iE TO i -W03 BKR I SEE FUNCTIONAL CONTROL DIAGRAM I OPEN ON REACTOR i HS 4208 1 FOR ADDmONAL INTIERLOCKS) I LOW PRESSURE) I 10A-S148 I t t I I ORW I 'n Li~~~----------------1 _____________ 1 _______________________ 7 FROM FROM CONDENSATE 15 I C03 I C03 1 FS-10-l 23A ,=-,,,----:-=--=, I SERVICE WATER ~ 1 BKR HS 8 I BKR HS (D,5) INSIDE OF DRYWELL O'.l 0 I r-- REACTOR VESSEL R-200 (2 1) I I I '------------"'II VENT 3 4 -130 RHR-24-2 C03~~ I I I I I I I 84 EC25011 3 ADDED TO.PDF DOC. DWN: JJP 1-28-15 CHK: BAL 1-28-15 APPR: RAD 1-28-15 85 EC19671 DWN: JJP 10-10-16 CHK: BAL 10-17-16 APPR: MM 10-18-16 86 EC27023 DWN: JJP 4-21-17 CHK:.4.JR 4-22-17 APPR: WMS 4-23-17 87 601000000410 t----l(M-121) RHR-65-2 f ---~ (M-114-1) I f 433510A-S108 I 433410A-S8B C03).\\ NH-36247 w I RHR-59-2 NH-85509 1 '¢-'L (D,2) 'i' w LEAK I (A,3) I 1 {10-27B

, r--

(10-25B) U&', \\\\B5B ~ I... "' 3 4 -130 RHR-25-2 I I I REACTOR DWN: JJP 1-24-18 CHK: BAL 1-24-18 APPR: DAM 1-24-18 88 601000001601 'i' 1--,.4-,1 TEST I CST 91 I I ~~~~== -~~"" L-..l-- co3 BKR /

  • CONN.

I 1 I 'M0-16 -NW123D __________.J (][]4337 I I 3 4 I 2" -130 I I (VLV POSITION Wl,6=.S12B ~ § SC10D-2"-GE I I TW20-16"-GE (SEE NOTE 1) INTERLOCKS) .--------------- -------- --------------~ I I GE I DB M0-16 -NW14DU C292 r~~ ~~~\\ r----c~;;;;R------~~;-~;-=-2----------------------------------------------!---------------------------' (SEE NOTE 1) 3 4 ~130

II-a'~"--~ ~

~ .---111--;;,;;;-,-" -*--- r---tlll----3 TEST RHR-12-2 - u (10-34B oo9 01 1(10-38B) lOA-Sl 3B CONN. 3 4 -130 7 'f RHR-6-2 ~ 1 16 -NW14 (M-117) .-J==~TO..;.:~..,' :"-...L..-SE*E~N--~~*-1 --,/ ~ ~;r DLAIDR\\I ~C~18" * \\_DLA TW20-16" -DLA RHR-73-2 RHR-72-2 TW40-4"-DBA

RECIRCULATING I

PUMP P-200B it.<2-2-1 B) ,1.-----------,....-..,...... M-121 L. PAGE ADDED TO.PDF DOC. DWN: JJP 2-19-20 CHK: 600000677406 APPR: 600000686596 89 601000002880 DWN: JJP 3-5-21 XFER MO C ~~1 ~~t MO I -6SES 4338 LEAK L------------------------------------------------------------------------7 D97-3/4 -DB I =~~~~* ,,.-~~~~--- ~:=~~:::~ -=-;;::;;~_: X-211A 1 ~~~~ a:: cjj2i ii Mo-10 -N138 M0-4 -N138 3/4" RHR 2 RHR 2 TW25_4.. _ H E

  • _TORUS VALVE LEAKAGE~-

L---------...JL-----------c,<1---------------------'=--'-----------------=- ~. SUPPRESSION/ TEST CONN. ~ TW24-12"-HE 10:l CHAMBER,/ D58-1"-DCA / \\ _R_H_R __ =33~_~2-< CRW I RHR-32-2 I 1-CCA ) BKR HSC04 1l2A-sbe 1 NH-36247 (C,6) RHR-70 RHR-71 CH K: 600000850209 APPR: 600000838214 90 601000002822 DWN: KHP 8-11-22 CHK: 600001023724 APPR: 600000875425 6 TO PAS SYS (NH-96042-1) (B,7) PAS-57-4 C03 BKR (][]8 42101.li1,6=.S16B C292 i LO. A/S { M-131) NH-36049-13 Al-645-4 ACCUMULATOR fEllsJ} ooJC292 ~-~XFER (A,6) r.Al,---""'61'""0--4.,.., I I M0-14 -N138 3 4 -163 w C>

  • I 0 -

I "' ~ I AIR SET I I RHR-8-2 3 -N237 I TW9 '----~-i ( M-122 ) ~-~-------------------- TW8 9 ______.J NH-36248 (B,5) ~ RO {RECIRC) TW21-2"-GE GE 001 r-------;:~:::::::::::::::::::::::::::::::::::;:;;;;:::::;::::;;;:' @5D I @sH~ ~ {RECIRC) TW21-2"-GE ~ I l R.H.R. PUMP P-2020 (l0-3P} ~ TO A.C. INTERLOCK RV49-1 I I I I I RV47-1 1/2"-HB I r~ I I

1.

RHR-4-2 14 -N26 ~ u----::i><h-vi---.... -----+----1---6---IE~ TW19-1 O" -GE TW15-14" -HE L----7 'r 1 ORW L.O. -DB0-2"-GE I LO TW19-14"-GE 5 ~BA ( TYPICAL OF 8 ) ~g 98A THRU 98H I I I I I I I I ' ~ ~6B I I I I I I I L 0 dPT ~ 78458 { I g t- ~------------------11----------- LOOP "B" 4 1 TO TR-4926 REACTOR WATER CLEANUP SYSTEM ( M-128 > NH-36254 (D,2) 3 I I 1"-130 I \\ } L ___________________________ _f:!:_q§ig _________________ J \\ I

V RHR-1-2 14 -N29 3 4 -19 DRW-110 L.O.

TORUS DRAIN PUMP P17 BKR 81119

~

X-224A V129-3/ 4" -HE RHR-48 3 4 -130 NOTES:

1.

VALVE MARK NUMBER WITH PREFIX *w* INDICATES ASA 600 LB VALVE RATED AT 1248 PSl/563'F PER MSS-SP-66.

2.

ALL MDV HAND SWITCHES INDICATED L.C. OR L.O. HAVE KEY LOCKS.

3.

ALL MOV'S INCLUDE HAND SWITCH & POSITION LIGHTS IN IN CONTROL ROOM.

4.

DRAIN CONNECTIONS ON RHR PUMP SUCTION & DISCHARGE TO BE PROVIDED WITH HOSE AND PORTABLE CONDUCTIVITY CELL TO FLOOR DRAINS. r---- ----------? (PERMISSIVE TO OPEN WHEN TORUS SUCTION VALVE M0-1987 IS CLOSED)

5.

SEE NOTE 4 ON DWG. NO. M-121, NH-36247. w l FROM I 'o PAS SYS '!' (NH-96042-1) (A,7) D82-3"-HE a:: 0 ...Ju.. 8 (.!) o_Wz [/)::::lz w;:!:< ...J C/) a:: O'.lzO e; L.a.J [/) ~u=> La..d:!::!@s a:: c.. t-RHR-10-2 3 -N29AB RHR-13-2 1 -19 w I CX) I 0 15 a:: y ORW REMOVABLE SPOOL PIECES INSTALLED FOR TORUS DRAINING FROM

6.

COMBINATION TC/RTD PROBES. RTD'S TO LOCAL JUNCTION RHR LOOP "A" .........,...-/( M-121) BOX ONLY {NJ5304). TE-10-93B-1 (TC), TE-10-938-2 (RTD) TE-10-93D-1 (TC) (SPARE), TE-10-930-2 (RTD) TE-10-94B-1 (TC), TE-10-948-2 (RTD) TE-10-94D-1 (TC), TE-10-94D-2 (RTD) NH-36247 (B,5) (PERMISSIVE TO OPEN WHEN TORUS DISCHARGE VALVE M0-2007 IS CLOSED)

7. SOLENOID VALVE SV-2017, ACTUATOR, LIMIT SWITCHES AND AIR LINES ASSOCIATED WITH VALVE A0-10-468 HAVE BEEN ABANDONED IN PLACE: REFERENCE EC21396.
8. INTERNAL FLOODING RELATED.

COLOR LfGENP -,"-.'--:JH r:1 A'.~\\ /:J,:,,1 ( c1:i1,i:.::.. D93-1"-HE -ASME CLASS 2/QUALITY GROUP B -ASME ClASS 3/QUALJlY GROUP C -QUALllY GROUP D '>H cf ;.1 f : Hf CH.t 11::01 SAFETY RELATED ELECTRICAL This map/document is to assist employees in the performance of their jobs. M-120 Your personal safely is provided for by using safely practices, procedures and equipment as described in safety training programs, manuals and SPAR's. 1-;M.,.,O"'N""T""I....,C'"'A""D,....,,,DW=G.....-.A.;V-rl P&ID RESIDUAL HEAT REMOVAL SYSTEM SCALE: NONE REV 90 ~ Energy-NORHRN STA1ES POIIER COIIWfY NH-36246 2 1 E D C B A

Xcel MONTICELLO NUCLEAR GENERATING PLANT

Xcel MONTICELLO NUCLEAR GENERATING PLANT

AND C03 SPEED TURBINE MISC TURBINE INSTRUMENTATION 23A-S19 3x2 C28-2"-HE D45-3/4"-HE TW38-2"-HE CONDENSATE PUMP P-212 TO PT 23-83 VALVE (CLOSE) NH-36241 MAIN STEAM HPCI-10 3/4"-130 HPCI-23 HPCI-11 3/4"-130 HPCI-75 A 6 SUPPRESSION POOL LT29B-3/4"-HE V52A-2"-HE HPCI-65 B HPCI-66 LT29A-3/4"-HE 2"-130 3/4"-130 HPCI-67 X-217 HPCI-71 2"-130 HPCI-70 LT29C-3/4"-HE HPCI-68 3/4"-130 3/4"-130 HPCI-69 C D R-200 (2-1) REACTOR VESSEL HPCI-83 RS2-20"-HE X-221 D13-2"-HE X-222 2"-19 HPCI-16 HPCI-84 HPCI-85 HPCI-82 RS2-16"-HE 20"x16" L.O. PS2-18"-ED 2300B LEAKAGE HPCI PUMP 23A-S15 NH-36049-14 4 5 FULL OPEN (D,2) MO-2036 IS CLOSE WHEN OIL PUMP P-217 HPCI TURBINE AUX. (NOT SHOWN) HS HPCI-14 2"-223 3/4"-130 HPCI-17 LT29-3/4"-HE TEST LEAKAGE VALVE LEAKAGE VALVE TEST 2"-223 HPCI-15 TEST LT28-3/4"-HB LEAKAGE VALVE 3/4"-19M3 3/4"-19M3 HPCI-9 16"-N237 C V52-1"-HE 1/4" X-49C X-49D M-115 (D,5) V52-16"-HE 1"-972 1"-972 C122 H TRIP HPCI-13 TURBINE TW38-2"-GE HPCI-28 2"-19 HPCI-27 HPCI-78 L L (BOOSTER) C122 H C214 C214 NH-36250 HPCI-8 WATER SUPPLY COOLING HPCI-7 M-124 (C,2) C214 OR OR AND (23-1) P-209 L L C214 TEST TEST (A,4) COOLING WATER NH-36250 (OPEN) A/S ND DC M-124 (C,3) RETURN 3 TW39-2"-HE 2"-223 HPCI-20 TRIPPED HIGH LEVEL) LS-2-3-672 E&F (TRIP ON REACTOR C28-1"-HE TW38-2"-HE VALVE LEAKAGE RS2-18"-HE HPCI-24 C28-1"-HB M-131 A/S DC ND CRW YS D13-3/4"-HB 2051 HPCI-25 C (23-40) LT31-3/4"-HE HPCI-80 HE GE HE HB 2"-19 HPCI-12 D13-2"-HE HPCI-26 C HPCI-59 C120 C03 TO REACTOR RS2-16"-HE C120 PI 23-112 HPCI-60 VESSEL (MAIN) C19 Y80 CKT. 8 23A-S22 HS 23-110 E/S C120 C120 HPCI-58 HPCI-87 M-124 (B,4) NH-36250 TO PT 23-100 (C,2) FROM PS-23-84-A TURBINE TRIP (D,2) NH-36250 M-124 NH-36250 M-124 RV41-2 1/2"-HB ORW 3/4"-130 HPCI-21 RV41-1 1/2"-HE (23-39) D41-1"-HE HPCI-72 HPCI-96 D41-1"-HE HPCI-50 HPCI-49 TW38-2"-HE HS D49-3/4"-HE D50-3/4"-HE CONTROL SIGNAL OUTLET GOVERNING 1x3/4 FROM SPEED GOVERNOR D47-3/4-HE HPCI PUMP (23-2) S-201 DRIVE TURBINE D47-3/4"-ED 18" ED D48-1"-HE HE PRESSURE NH-36242 (D,6)(D,3) M-116 HPCI-94 VESSEL FROM 3/4" HPCI-86 HE FILTER D45-3/4"-ED HPCI-48 VALVE ED HE NH-36249 E 6 GRAPHIC DISPLAY 4 MO-8"-N14D (23-16) M-143 NH-36258 OR HIGH DRYWELL PRESSURE HPCI INITIATED ON LOW LOW REACTOR WATER HIGH FLOW) (CLOSE ON 5 MO-8" PS18-8"-ED BKR 4342 TO MO-2061 & MO-2062 NH-36250 (23-15) 2300A M-124 (A,3) C 23A-S2 HS SLOPE OR (E,3)(E,5) M-116 NH-36242 (OPEN) AND H A C X-11 (D,3) (B,2) NH-36250 M-124 LT30-3/4"-ED FOR STARTUP TURBINE STEAM CONNECTION TEMPORARY HEATING BKR 31205 D.C. HPCI-1 HPCI-2 3/4"-130 3/4"-130 23A-S3 HS C VALVE LIMIT FROM STOP & STEAM ADMISSION SWITCHES GRAPHIC DISPLAY 6" OIL COOLER BEARING OIL SLOPE (CLOSE) (B,2) OIL A-D H OR 7317 SY A-D H NH-36250 M-124 3 P&ID (STEAM SIDE) HIGH PRESSURE COOLANT INJECTION SYSTEM MONTICELLO NUCLEAR GENERATING PLANT NORTHERN STATES POWER COMPANY Xcel This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. 3/4 3/4 HPCI SYSTEM ELEMENTARY DIAGRAM HPCI SYSTEM FUNCTIONAL CONTROL DIAGRAM 3x2 TW39-2"-HE LUBE OIL COOLER E-206 BKR 31202 HPCI-18 2"-223 2 INITIATION OPEN ON HPCI 23-115 (A,4)(C,1) (FROM TE's FOR TURBINE LUBE OIL ALSO SEE DWG's. BLOWER K-200 BKR 31201 GLAND SEAL E-204 CONDENSER GLAND SEAL THRUST BEARING, AND PUMP BEARING (3) TEMPERATURES) BEARING OIL, L.P. BEARING OIL, COOLER OUTLET, CASING (2), H.P. HPCI-64 HPCI-63 HPCI-19 2 C120 D41-1"-HE HPCI-51 RR58-3/4" START ON HPCI INITIATION 23A-S18 HS 1" AND HPCI-57 D45-3/4"-ED PS18-8"-ED HE D44-1"-HE D43-3/4"-HE TURBINE TRIP STOP VALVE HPCI-47 ED HE ED TR C21 SLOPE HPCI SYSTEM WATER SIDE REFERENCE DRAWINGS: 1. 3. 2. OG24-3"-HC SLOPE OFF-GAS M-142 DISCHARGE) NH-36159 (STM PKG EXHR (B,6) MO-8"N14D (A,4) A/S NH-36049-14 M-131 HPCI-73 1"-CCD-GB (OPEN) 23A-S12 ND HS BKR 31206 (23-14) DC 23A-S1 HS (23-53) HPCI-4 D12-1"-EF 1"-19M3 1"-19M3 HPCI-3 1/2"-19 HPCI-90 PS18-8"-ED 8" SLOPE MONTI CAD DWG ` ' NH-36249 Energy sm 1 SCALE: NONE A M-123 85 REV W HPCI-74 1"-19 D12-1"-EF VALVE TEST LEAKAGE NX-8292-12-1 THRU 7 M-124, NH-36250 NX-8292-15-1 THRU 3 LT32-3/4"-EF LT32-3/4"-EF (23-42) HPCI-6 3/4"-130M3 3/4"-130M3 HPCI-5 HS D12-1"-HS EF A/S FULL OPEN (D,2) HPCI-29 1/2"-19M3 DC NE EF DC HS 23A-S11 NH-36049-14 (A,4) NE A/S M-131 MO-2036 IS CLOSE WHEN B NH-36033 M-102 (TO CONDENSER) MAIN STEAM DRAIN (A,6) D C STEAM LEAKAGE A-D OR CLOSE ON SI 7317 C03 H A-D H DETECTION C03 23-111 PI A-D TO TR-4926 CLEAN-UP SYSTEM REACTOR WATER 2 PS18-8"-ED C120 C120 JJP 8-27-10 BAL 8-30-10 KMF 9-2-10 16626 REVISIONS 78 DWN: CHK: APPR: EC 1 E SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A 19540 APPR: PEB 6-6-12 CHK: DWN: BAL 6-6-12 JJP 6-5-12 79 EC 23893 APPR: MLW 6-12-14 CHK: DWN: NJM 6-11-14 JJP 6-2-14 80 EC 25011 APPR: RAD 1-28-15 CHK: DWN: BAL 1-28-15 JJP 1-28-15 81 EC PAGE 3 ADDED TO.PDF DOC. 23705 APPR: TKN 5-14-15 CHK: DWN: BAL 5-8-15 JJP 5-8-15 82 EC SEE NOTE 1 NOTES: 1. HPCI-15 IS AN IN-LINE STYLE CHECK VALVE WITH A SOFT SEAT PER EC23705. 27893 APPR: BJR 5-12-17 CHK: DWN: BAL 5-12-17 JJP 5-12-17 83 EC D41-3/4"-HE 601000000148 APPR: 600000218369 CHK: DWN: 600000508605 JJP 3-15-19 84 LS 23-98/3 LS 23-98/2 LS 23-98/1 OR L H L L H L L H L LI-23-98 TO ALARM LS 23-90/3 LS 23-90/2 LS 23-90/1 OR L H L L H L L H L LI-23-90 TO ALARM PI 23-88 PT 23-89 M-128 NH-36254 (D,1) TE 23-105 TS 23-103 TS 23-104 L O C CV 2046B L O C L O C CV 2046A SV 2046A SV 2046B L O C ST 2045 MO 2036 L O C SV 2043 L O C CV 2043 M-143 NH-36258 (C,4) L O C RO 2409 HO 7 RO 2408 M-121 NH-36247 (C,2) A H RO 2050 PS 23-106 RO 2058 TX 2057 TS 23-102 SCP 7923 TS 23-101 dPS 7310 A H A PS 7311 A L TIS 7268 A H L O C C03 L O C CO3 MO 2035 MO 2034 L O C CO3 L O C C03 FE 3493 L O C RO 2410 HO 8 PI 7250 RO 2411 RO 2412 RV 2056 PI 7252 PI 23-96 PT 23-95 ST 2052 PCV 3492 PS 23-97B PS 23-97A A H PS 23-68C PS 23-68A dPIS 23-76B PS 23-68D PS 23-68B XFV-85 PSD 2038 PSD 2039 PS 23-86 RO 2040 A H dPIS 23-76A XFV-84 SE 7923 LS 7313 LS 7314 RO 2060 A H CV 2394A L O C L O C L O C CV 2394B SV 2394B L O C TX 2059 SV 2394A APPR: 600000686596 CHK: DWN: 600000677406 JJP 2-19-20 85 601000001601 ADDT'L. 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MO-14"-N29AB (23-57) 23-81 TW1-14"-HE X-9A REACTOR CLEAN-UP SUPPRESSION POOL A X-204A-D X-225 6 X-320A-D RINGHEADER X-206B NH-36250 REACTOR VESSEL B C M-120 M-122 (C,4) (C,5) NH-36248 NH-36246 D E TW9-2 1/2"-HE TW24-12"-HE FW2B-14"-ED X-210A TW8-8"-HE X-206A (D,7) M-128 NH-36254 (2-1) R-200 6 HPCI-56 3/4"-130 HPCI-54 HS M-105 NH-36036(A,5) HPCI-100 3/4"-130 L.O. LT14-3/4"-HE 23A-S14 1/8 ORIFICE OR AND MO-2062 OPEN MO-2061 MO-14"-N29AB 5 A H C BKR. 31207 C O L FUEL POOL COOLING AND CLEAN-UP SYSTEM (CLOSE) MO-12"-NSp14DU LT13-3/4"-ED LEAKAGE M-122 NH-36248 (B,4) TW3-12"-ED REW6-3"-ED M-115 FEEDWATER (A,5) NH-36241 TW4-4"-HE 3/4"-130 HPCI-40 HPCI-41 3/4"-130 31211 BKR. O C L (23-19) D.C. SC16-8"-ED HPCI-55 3/4"-130 HPCI-95 23A-S6 D201-3/4"-ED TW50-3/4 VALVE TEST TW50-1/2 HPCI-106 HPCI-107 23-117 PI HPCI-108 HPCI ISOLATION HPCI INITIATION NOTE 1 HPCI-104 HB ED HPCI-105 HPCI-103 1/2" HPCI-102 3/4" HPCI-109 HPCI-101 HS FPW13-6"-HB TEST LINE M-126 RCIC NH-36252 (E,5) M-108 (B,2) NH-36039 5 FW8-4"-HB HPCI-43 8"-237 HB ED SC16-8"-HB MO-8"-29 HPCI-81 14"-N237AB HPCI-31 VALVE TEST LEAKAGE D.C. (23-58) (CLOSE) HPCI-30 3/4"-130 4 (CLOSE) BKR. 31208 L C O D.C. 23A-S13 HS C03 C120 MLS 23A-S8 AI-248 HS 3503 L 23-119 CONTROL LOGIC TO TURBINE C03 FY HPCI-53 (23-20) 23A-S7 31210 BKR. HS D.C. HPCI-52 O C L C Y80 CKT 3 23-108 FIC 4"-N237AB HPCI-42 C03 INITIATION) (CLOSE ON HPCI C120 E/P 3503 NH-36049-14 (A,6) A/S M-131 BKR. 31212 L C O O SC16-10"-HB T-71 Y80, CKT. 8 M-123 NH-36249 23-108 FI FROM (D,4) 23A-S10 HS (OPEN) A L C TW4-4"-ED ED HE PI AI-247 C120 L C O D.C. N.E. (A,3) (CV-3503 AND MO-2071 AND MO-2062 (A,3) FROM POS ON MO-2061 WHEN EITHER MO-2061 OR MO-2062 ARE FULLY OPEN) A/S M-131 NH-36049-14 RECEIVE A CLOSE SIGNAL, ACCUMULATOR 4 AI-611 3/4"-163 HPCI SYSTEM ELEMENTARY DIAGRAM HPCI SYSTEM FUNCTIONAL CONTROL DIAGRAM HPCI SYSTEM STEAM SIDE REFERENCE DRAWINGS: (MAIN) This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. MONTICELLO NUCLEAR GENERATING PLANT (MO-2063 RECEIVES A CLOSE SIGNAL, WHEN FROM POS ON MO-2061 AND MO-2062 (A,3) BOTH MO-2061 AND MO-2062 ARE FULLY OPEN) V93-3/4"-ED OPEN MO-2061 AND MO-2062 (A,3) NOTES: 1. SOLENOID VALVE SV-2069, ACTUATOR, LIMIT SWITCHES AND AIR LINES ASSOCIATED WITH VALVE AO-23-18 HAVE BEEN ABANDONED IN PLACE; REFERENCE EC21396. 2. HPCI-43 DISC TRIM IS STELLITE 21, REFERENCE EC23281. FROM dPIS 23-76 (VALVE CLOSURE ON HPCI STEAM LINE BREAK) M-123 NH-36249 (D,5) 1"-19 HPCI-46 M-108 NH-36039 (C,4)(C,3) L 3/4"-130 HPCI-61 2417 (OPEN ON CNDS STG TANK LOW LEVEL) FROM LS-23-74 AND LS-23-75 (E,2) TO MO-2063 (E,3), MO-2071 (D,4) AND CV-3503 (D,4) 3 3/4"-130 COOLING WATER ORW HPCI-44 HPCI-32 14"-N237AB 23-83 23-109 C03 PT PI TW4-4"-ED (23-41) 2" C120 TW1-14"-HE HE HB 3/4"-130 TW39-2"-HE VENT DRAIN (D,4) D139-1"-HC A THRU D FROM PS 23-68 NH-36249 M-123 (A,3) NH-36249 RETURN V94-3/4"-HC M-123 VENT 1"-19 HPCI-35 CRW 3/4"-130 HPCI-79 3/4"-130 HPCI-88 3/4"-130 HPCI-89 HPCI-62 2416 MO-14"-N29AB 31209 BKR. NH-36039 C16-14"-HE L CONDENSATE STORAGE TANK M-108 11 T-1A 3 (A,4) HPCI-33 14"-N29AB (23-17) D.C. MO 2063 O C L.O. PX LS 23-74 2 12 CONDENSATE STORAGE TANK T-1B TW3-12"-ED ORW ORW (OPEN ON HPCI INITIATION) 23-84B 23-84A VENT 23-99 COOLING M-123 FROM TS 23-101 THRU 23-104 D140-1"-HC NH-36249 NH-36249 M-123 WATER CRW (C,4) 10" PX TW1-14"-HE C120 C120 C120 TW38-2"-GE (E,3) 23-100 P-209 (23-1) 3/4"-130 HPCI PUMP V92-3/4"-HC HPCI-34 PS PS PI L A A H C 23A-S4 HS 1" A 23-75 LS OR L M-126 RV66-1"-HB (A,3) NH-36252 C120 L PT OR FROM E/S 23-110 M-123 (D,4) NH-36249 CRW HPCI-39 HPCI-38 D141-1"-ED 1"-19 1"-19 23-116 TURBINE TRIP NH-36249 (D,4) M-123 HPCI C 1"-19 HPCI-45 D142-1"-ED ORW NH-36252 C03 PI 2 M-126 (A,3) NH-36250 MONTI CAD DWG ` ' M-124 REV SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A P&ID (WATER SIDE) HIGH PRESSURE COOLANT INJECTION SYSTEM M-123, NH-36249 729E816 729E232 NORTHERN STATES POWER COMPANY Energy Xcel sm 1 SCALE: NONE COLOR LEGEND QUALITY GROUP D STEAM SUPPLY DRIVE TURBINE HPCI PUMP 8" 3/4"-130 3/4"-130 VENT HPCI-36 HPCI-37 (C,3) EXHAUST STEAM S-201 M-123 NH-36249 APPR: 77 CHK: APPR: DWN: DWN: 78 DWN: CHK: 76 APPR: APPR: CHK: DWN: 79 APPR: CHK: DWN: 80 APPR: CHK: DWN: 81 CHK: 1 JJP 8-20-10 STL 2-28-12 PEB 2-28-12 JJP 2-28-12 KMF 8-27-10 14179 BAL 4-5-11 JJP 4-5-11 KMF 4-7-11 16751 21396 WMS 4-30-13 PEB 4-29-13 JJP 4-29-13 BAL 8-27-10 EC EC EC DJP 4-14-07 11951 BJR 3-11-08 RMG 3-12-08 JJP 3-5-08 01121715 16624 JJP 4-14-07 MGH 4-14-07 REVISIONS A/R EC EC EC 811 87 Q A B C D E 20039 APPR: DJ 5-21-13 CHK: DWN: PEB 5-21-13 JJP 5-21-13 82 EC TDR N A D (OPEN) 25011 APPR: RAD 1-28-15 CHK: DWN: BAL 1-28-15 JJP 1-28-15 83 EC PAGE 3 ADDED TO.PDF DOC. 23281 APPR: TKN 4-14-17 CHK: DWN: BAL 4-14-17 JJP 4-10-17 84 EC NOTE 2 26208 APPR: WMS 5-3-17 CHK: DWN: AJR 5-2-17 JJP 4-27-17 85 EC AT 001 ED V134-1/2" HPCI-110 HPCI-111 V135-1/2" HPCI-112 HPCI-113 AT 002 ED HPCI-114 HPCI-115 AT 003 ORW V134-1/2" V136-1/2" V134-2"-ED V136-2"-ED V135-2"-ED 3/4" 3/4" 3/4" 601000000410 APPR: DAM 1-24-18 CHK: DWN: BAL 1-24-18 JJP 1-24-18 86 MO 2068 AO 23-18 MO 2067 RO 2908 RO 2066 MO 2061 MO 2062 LS 23-91B LS 23-91A FS 23-78 FE 23-80 FT 23-82 F HPC100 TI 23-87 CV 2065 SV 2065 MO 2071 CV 3503 RV 2064 APPR: 600000686596 CHK: DWN: 600000677406 JJP 2-19-20 87 601000001601 ADDT'L. 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E-205 MISC TURBINE INSTRUMENTATION C04 TURBINE TRIPPED LUBE OIL COOLER D15-3"-HE 3"-N29 RCIC-12 4263 RO TO PT 13-60 TO PT 13-65 3" STEAM CONNECTION TEMPORARY HEATING OG21-2"-HE NH-36252 NH-36252 FW9-2"-ED (13-13) HB TEST LEAK VALVE OG21-2"-HE ORW 2849 SV A 6 SUPPRESSION POOL X-219 RCIC-55 1 1/2"-130 V51A-1 1/2"-HE B (D,7) RCIC-61 1 1/2"-130 RCIC-57 RCIC-59 LT21B-3/4"-HB LT21C-3/4"-HB LT21A-3/4"-HB X-212 X-223 CRW RCIC-70 RCIC-60 3/4"-130 3/4"-130 RCIC-56 3/4"-130 RCIC-58 NH-36049-14 A/S M-131 DC ND RS3-8"-HE RCIC-72 5 TEST LEAK VALVE RCIC-19 3/4"-130 RCIC-54 LT21-3/4"-HE 4 C25-2"-HE ED HE H (D,7) L O C C03 RCIC-16 2"-19 RCIC-18 RCIC-66 RCIC-17 2"-223 RCIC-15 3/4"-130 L O C C04 C25-1"-HE HE L O C C03 (13-12) LT22-3/4"-HE 2"-223 L O C C04 RCIC-63 13A-S12 NH-36049-14 A/S M-131 MO-2078 BEGINS TO OPEN (D,2) DC ND RCIC-11-2 CLOSE WHEN 3/4"-19 RCIC-11-1 3/4"-130 HS C04 VAC BRKR RCIC-62 A C04 C128 MO-2"-110 MO-2078 (D,2) RCIC-96 RCIC-97 VESSEL LOW LEVEL BKR 31107 (13-132) D.C. MO 2096 ORW VESSEL HIGH LEVEL CLOSE ON REACTOR OPEN ON REACTOR 13A-S8 HS C RCIC-94 RCIC-95 TURBINE TRIP C128 RCIC-26 3/4"-19 RCIC-23 RCIC-24 3/4"-19 D15-1"-HE LT23-3/4"-HE TAPS ELBOW C D RCIC-73 RCIC-71 RCIC-10 REACTOR VESSEL (2-1) R-200 PS3 NH-36251 E 6 RCIC CONDENSATE M-126 RETURN C215 C215 NH-36252 V51-1"-HE V51-8"-HE 8"-N237 RCIC-9 1/4" MAIN STEAM NH-36241 (D,2) M-115 C128 A C04 H 2"-223 C RCIC-14 (C,4) 1"-972 1"-972 MO-3"-N14 XFV-86 XFV-87 1300B X-49A 3/4"-19M3 1300A X-49B 13-83 dPIS C122 H OR 13-84 dPIS C122 H HIGH FLOW) (CLOSE ON C21 L L FW5-4"-ED FW5-4"-ED NH-36252 RS3-8"-HE M-126 WATER SUPPLY RCIC COOLING STORAGE TANK FROM CONDENSATE C17-6"-HE PI 13-95 NH-36252 (B,3) C04 (B,2) C128 TO REACTOR M-126 13-92 E/S C128 (C,2) M-126 (A,3) RCIC-2 3/4"-130 RCIC-1 3/4"-130 13-87C PS 13-87A PS AND 13-87B PS 13-87D PS L OR C215 L C215 OR LEAK TEST VALVE OIL PRESSURE M-126 LT19-3/4"-ED BEARING TURBINE 7318 PS 4 LS C04 L A A (OPEN ON PS17-3"-ED BKR 3340 (13-15) 2075 MO L C C04 O 13A-S1 C04 HS C GRAPHIC DISPLAY L C C03 O H C04 A C LOW LEVEL) REACTOR VESSEL NH-36242 M-116 (C,6)&(C,2) 5 X-10 (13-16) MO-3"-N14 (CLOSE) C03 BKR 31104 D.C. C04 L C O C GRAPHIC DISPLAY L C O 13A-S3 HS C04 4 1"-19M3 3/4"-130M3 RCIC SYSTEM PROCESS FLOW DIAGRAM RCIC SYSTEM FUNCTIONAL CONTROL DIAGRAM RCIC SYSTEM WATER SIDE REFERENCE DRAWINGS: LT20-3/4"-EF BKR 31106 (13-32) 3/4"-130M3 RCIC-6 RCIC-5 D14-1"-EF 1 1/4" 3 RCIC-99 CONDENSATE PUMP C04 13A-S14 HS P-210 2 C04 BKR 31101 DC 13A-S15 OG22-1 1/2"-HE 1 1/4" P-211 VACUUM PUMP C24-3"-HE BKR 31102 DC OG20-3"-HE HS BAROMETRIC CONDENSER D49-1"-HE 1"-19 RCIC-27 RCIC-98 RV61-1"-HE 6082 YS D15-3/4"-HE C04 C04 FW9-2"-HE A H C H A E-203 RCIC-21 RCIC-22 YS 4262 RCIC-20 1"-19 D40-1"-HE 2086 RO HE ED D37-1"-HE M-102 1"-19 RCIC-65 TANK VACUUM NH-36033 (A,6) 20 TEST HS EF VALVE LEAK (D,7) NH-36049-14 M-131 A/S STEAM DRAIN CONDENSER) (TO MAIN D14-1 1/2"-HS L O C C03 D14-1"-HS (13-35) L O C C04 (13-34) A/S M-131 NH-36049-14 (D,7) 13A-S11 MO-2078 BEGINS DC NE C04 HS TO OPEN (D,2) CLOSE WHEN DC NE 1 M-126, NH-36252 729E242 729E951 A L O C C04 L O C C03 D14-1"-EF B PS17-3"-ED NH-36049-14 13-68 PT TURBINE TRIP CLOSE ON D38-3/4"-ED GOVERNING D38-1"-HE RCIC-46 (13-2) D39-1"-HE 8" RCIC-45 3/4" RCIC PUMP S-200 DRIVE TURBINE D38-3/4"-ED RO 2085 VALVE OIL PRESSURE FROM GOVERNOR CONTROL SIGNAL 7319 LP BEARING OIL TEMP 7320 HP BEARING OIL TEMP TIS A H C04 TIS H C04 A C04 C296 TRIP C04 C C L O L O C O L MECHANICAL TURBINE BEARING 7403 PI OVERSPEED 5 LS C04 LOCAL C L O C C296 O L MATCH VENDOR'S VALVE 2"-900# R.F. FLANGE TO MO-3"-N123 2079 SV ND (OPEN) C04 13A-S13 HS (D,6) A/S M-131 (13-131) D.C. BKR 31106 (B,5)(C,2) BKR 31103 2" D.C. THROTTLE VALVE TRIP 13A-S23 HS C04 VESSEL HIGH LEVEL 13A-S2 C04 HS PS17-3"-ED VESSEL LOW LEVEL OPEN ON REACTOR CLOSE ON REACTOR C04 13-94 PI FOR STARTUP SLOPE (CLOSE) A-D H 13-79 TS H 13-80 TS A-D OR AND 3 MONITORING STEAM LINE AREA 13-82 H A-D 13-81 TS TS OR H A-D 13-77 TE A-D CLEAN-UP SYSTEM REACTOR WATER TO TR-4926 NH-36254 (C,2) M-128 2 C A 3" 1/2"-19M3 RCIC-28 RCIC-47 RCIC-64 1"-19M3 RCIC-3 1"-CCD-GB RCIC-4 3/4" 3/4" D14-1"-ED D14-1"-EF RCIC-100 1/2"-19 REGULATOR FISCHR TO TURBINE PS22-3/4"-ED C04 SLOPE C128 13-69 PI C128 3/4"-130 RCIC-29 H C D REVISIONS 1 E TURBINE SPEED SE 7925 7925 SCP 7321 SY C04 9957 A/R APPR: MH 2-26-07 CHK: DWN: BAL 2-6-07 JJP 2-5-07 76 EC 01054616 M-126 (D,4) NH-36252 TO CV-2104 TO CV-2104 NH-36252 (D,4) M-126 834 APPR: RES 8-14-07 CHK: DWN: BAL 8-14-07 JJP 8-14-07 77 EC C04 7321 SI CHK: APPR: BJR 3-11-08 RMG 3-12-08 DWN: 78 JJP 3-5-08 11951 01121715 A/R EC SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A 23893 APPR: MLW 6-12-14 CHK: DWN: NJM 6-11-14 JJP 6-2-14 79 EC NH-36251 MONTI CAD DWG ` ' This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. SCALE: NONE M-125 Y Xcel NORTHERN STATES POWER COMPANY MONTICELLO NUCLEAR GENERATING PLANT Energy sm P&ID RCIC (STEAM SIDE) REV 81 25011 APPR: RAD 1-28-15 CHK: DWN: BAL 1-28-15 JJP 1-28-15 80 EC PAGE 3 ADDED TO.PDF DOC. 2076 MO 13-74 LS 2081 ST 2079 CV 2082B SV 2082A SV 2082A CV 2082B CV PI TI 2078 MO 2080 MO 8 HO 13-71 PI 13-70 PT 2098 TX 2099 PX 7323 LS 7322 PS PCV 2097 RV 2095 PX 2094 RO 2092 PCV 6008 PI 4283 SV 13-72B PS 13-72A PS 2848 SV 2848 CV 2849 CV 2089 PSD 2090 PSD 13-78 PS 2091 RO APPR: 600000686596 CHK: DWN: 600000677406 JJP 2-19-20 81 601000001601 ADDT'L. PAGE ADDED TO.PDF DOC.

RCI-7 LE (13-39) D.C. MO 2101 31109 BKR 6"-N237AB FEEDWATER NH-36241 M-115 FW2A-14"-ED A B 6 TW34-10"-HE SUPPRESSION POOL TW13-2 1/2"-HE X-227 NH-36248 NH-36247 (C,4) M-122 (C,2) M-121 X-204A-D X-320A-D RINGHEADER TW12-8"-HE X-210B X-9B NH-36252 C D E REACTOR VESSEL (2-1) R-200 REACTOR CLEAN-UP M-128 NH-36254 (D,7) REW6-3"-DB 6 RCIC-49 D.C. C04 13A-S10 HS C04 13-91 FI RCI100 5 D200-3/4"-ED RCIC-40 3/4"-110 TW5-6"-HE FW6-2"-HE CRW M-122 NH-36248 (B,3) RCIC-50 3/4"-130 3/4"-130 (A,2) ED HB (D,4) MO-6"-N29AB (13-41) 31108 BKR MO 2100 LEAKAGE RCIC-37 2"-223 TEST VALVE F 4 RCIC-31 FROM COND. STORAGE TANK) 6"-N237AB CONTROL LOGIC TURBINE IN PUMP SUCT. LINE (INTERLOCK WITH MOV TEST LEAKAGE VALVE 3/4"-130 RCIC-30 LT24-3/4"-HE (M0-2102) (D,3) C04 13-102 FY C04 13-91 FIC TW5-6"-HE D.C. 2110 MO 3502 MO L O C C04 SC16-10"-HB (13-20) 31111 C04 13A-S6 HS BKR ACCUMULATOR AI-240 3/4"-259 LT25-3/4"-ED RCIC-39 3/4"-110 VESSEL LOW LEVEL) (OPEN ON REACTOR FW5-4"-ED 3/4"-130 RCIC-48 13-22 AO 1/2" C04 13A-S5 HS (13-21) MO-4"-N14D 31112 BKR MO 2107 MO 2106 T-73 RETURN LINE NH-36250 (E,5) M-124 HPCI 5 FW8-4"-HB FW8 FW5 HB ED 31105 BKR RCIC-38 4"-237 31114 BKR RCIC-69 RCIC-68 0-60 PSIG FW5-4"-ED AIR REGULATOR AI-222 C128 13-58 FT 13-56 FE C C-128 FS 13-57 A L C04 NH-36049-14 3/8" AI-612 (C,6) 3/4" M-131 A/S C04 13A-S21 HS MO-6"-N29AB TW5 C17 MO-2078 CLOSE OR MO-2080 OPENS CV-2104 ON REACTOR VESSEL CV-2104 CLOSE SIGNAL FROM LOW LEVEL 2104 SV NE D.C. CLOSE OR MO-2101 (D,3) OPEN FULL LOW-LOW LEVEL OR MO-2100 (A,5) CLOSE ON REACTOR VESSEL C04 3502 HS C04 13A-S7 HS 4 RCIC SYSTEM PROCESS FLOW DIAGRAM RCIC SYSTEM FUNCTIONAL CONTROL DIAGRAM RCIC SYSTEM STEAM SIDE REFERENCE DRAWINGS: PUMP DRIVE TURBINE M-125 NH-36251 RCIC ED RCIC-36 1"-19 RCIC-43 3 FROM E/S 13-92 FROM LS-23-74 OR LS-23-75 (OPEN ON CNDS STG TANK LOW LEVEL) FW6-2"-HE NH-36251 RCIC COOLING NH-36251 WATER (C,4) M-125 13-59 13-60 C04 13-93 PI C-128 FW9-2"-ED C-128 PT PI 1"-19 RCIC-42 NH-36250 (E,2) M-124 (D,4) M-125 HE 2909 RO 2105 RO D156-1"-HE D156-1"-ED 1"-19 RCIC-35 FW5-4"-ED CRW D157-1"-ED 2 FW6-2"-ED L O C C04 (13-27) 2104 CV EXHAUST STEAM (A,5) ARE FULLY OPEN) (CLOSE WHEN MO-2100 & M0-2101 RCIC-32 COOLING TO PUMP BEARINGS CONDENSATE RETURN NH-36251 (D,5) M-125 13-86 TI C04 13A-S9 (D,4) HS RCIC PUMP (13-1) P-207 2520 PX 2519 PX RCIC-93 RCIC-92 RCIC-91 RCIC-90 3/4"-130 RCIC-44 RV73-1"-HE C25-2"-HE RCIC 2103 RV ORW C-128 6"-N29AB 13-66 PI 3 NH-36039 (A,4) M-108 (13-18) C17-6"-HE C17-6"-HE RCIC-41 HE HB D.C. MO-6"-N29AB MO 2102 31110 BKR CONDENSATE STORAGE TANKS VESSEL LOW LEVEL) (OPEN ON REACTOR C04 13A-S4 HS FROM E/S 13-92 NH-36251 3/4"-130 RCIC-33 RCIC-34 3/4"-130 V100-3/4"-ED V99-3/4"-ED ORW VENT A L A H 13-67A 13-67B PS C-128 PS C-128 C-128 13-65 PT C RCIC TURBINE TRIP C (D,4) C04 13-96 PI M-125 2 SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A 1 M-125, NH-36251 729E951 729E242 QUALITY GROUP D COLOR LEGEND A B S-200 SUPPLY STEAM DWN: APPR: CHK: APPR: DWN: CHK: 77 1 76 BJR 3-11-08 RMG 3-12-08 JJP 3-5-08 11951 01121715 A/R EC REVISIONS JJP 2-5-07 01054616 MH 2-26-07 BAL 2-6-07 EC 9957 A/R C D E NH-36252 MONTI CAD DWG ` ' This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. SCALE: NONE M-126 V Xcel NORTHERN STATES POWER COMPANY MONTICELLO NUCLEAR GENERATING PLANT Energy sm P&ID RCIC (WATER SIDE) REV 83 21396 APPR: CHK: DWN: BAT/JJP 4-1-13 78 EC AWL 4-1-13 SCP 4-1-13 25011 APPR: RAD 1-28-15 CHK: DWN: BAL 1-28-15 JJP 1-28-15 79 EC PAGE 3 ADDED TO.PDF DOC. 22787 APPR: WK 5-6-15 CHK: DWN: BAL 5-6-15 JJP 5-6-15 80 EC 26208, 27023 APPR: WMS 5-3-17 CHK: DWN: AJR 5-2-17 JJP 4-27-17 81 EC AT 004 ED V133-1/2" RCIC-86 RCIC-87 V133-2"-ED 3/4" 601000000410 APPR: DAM 1-24-18 CHK: DWN: BAL 1-24-18 JJP 1-24-18 82 APPR: 600000686596 CHK: DWN: 600000677406 JJP 2-19-20 83 601000001601 ADDT'L. PAGE ADDED TO.PDF DOC.

(TEST) P-203A (11-2A) 1/2"-176Y XP-19-1 XP-19-2 1/2"-176Y P-203B (11-2B) (TEST) 42-3301/HS 42-4201/HS A B 6 NH-36241 (A,3) M-115 REACTOR VESSEL R-200 (2-1) NH-36253 2396 POS L O C C05 C D E XP-10 3/4"-130M3 XP-28 1 1/2"-19M3 XP-8 NUCLEAR BOILER DC ECB XP-9 3/4"-130M3 XP-26 XP-27 X-42 CH2-1 1/2"-DC XP-7 XP-6 CH19-3/4"-DC VALVE LEAKAGE TEST VALVE LEAKAGE TEST CH2-1 1/2"-DC NUCLEAR BOILER (C,5) M-116-1 NH-36242-1 XP-29 HIGH POINT VENT XP-30 6 XP-5 1 1/2"-19M3 1 1/2"-951M3 5 D61-1"-HC 4 CH2-1 1/2"-DC 1 1/2" (11-7B) ACCUMULATOR T-204B XP-4-2 1 1/2"-19M3 XP-24-2 1 1/2"-19M3 XP-3-2 D61-1"-HC 1/2" 11-39B RV DC HK XP-12-2 1/2"-65 XP-13 1 1/2"-130M3 CH3-1 1/2"-DC CH18-3/4"-DC CH2-1 1/2"-DC 1"-19M3 CH2-1 1/2"-DC XP-11-14A CH2-1 1/2"-DC 11-67A CH2-1 1/2"-DC 11-53 PI 11-67B L C05 CONTINUITY) CH2-1 1/2"-DC XP-11-14B (LOSS OF CONTINUITY) CH2-1 1/2"-DC L C05 C (LOSS OF CONTINUITY) RELAY CONT. C05 A C05 RELAY CONT. C05 5 2395 CV CH3-1 1/2"-DC XP-11-1 HC DC XP-11-2 (LOSS OF 1"-19M3 CH2 CH3 XP-23 3/4"-130M3 3/4"-130 XP-22 DB DC VENT ACCUMULATOR T-204A CLEANUP SYSTEM ISOLATION VALVES 1 1/2" 1 1/2"-19M3 XP-24-1 (11-7A) XP-4-1 1 1/2"-19M3 PI 11-65 C05 11-52 PT E/S 11-69 (E,3) FROM CH2-1 1/2"-DC XP-3-1 1 1/2"-951M3 D63-1"-HC HS HS 1/2" 11-39A RV DC HK (D,4)(D,7) NH-36254 M-128 1/2"-65 XP-12-1 D63-1"-HC CH3-1 1/2"-HK 1 1/2"-19M3 DEMINERALIZED L ON C05 XP-14 1 1/2"-19M3 WATER (D,1) HS 11A-S1 C05 L ON C05 1"-HJ 1"-276Y DM-53 CH3-1 1/2"-DC DC HK XP-21 4 HC HK DM-54 1"-176Y XP-15 1"-76Y DW-1"-HJ T-201 (11-3) TANK TEST CH3-1 1/2"-HK DC HK V REFERENCE DRAWINGS: STANDBY LIQUID CONTROL F.C.D. STANDBY LIQUID CONTROL PROCESS FLOW DIAGRAM THE TANK DIP TUBE SHALL BE INSTALLED TO READ THE ELEVATION OF THE TOP OF THE TANK OUTLET NOZZLE. THE SUCTION PIPING, PUMPS AND A SHORT SECTION OF DISCHARGE PIPING ARE INSULATED AND ELECTRICALLY HEAT TRACED. THE TEMPERATURE IS REGULATED BY CONTROLLERS TC-4437A THRU D. TI-4603 LOCALLY MOUNTED ON C69, AMBIENT AIR TEMPERATURE. STANDBY LIQUID CONTROL PIPING CH2-1 1/2"-DC FROM PUMPS TO DRYWELL PENETRATION X-42 AND TANKS (G.E. 153F757) 5828-APED-11-9) (G.E. 153F736) 5828-APED-11-8) (C,3) SA-3/4"-JB STANDBY LIQUID CONTROL TANK T-200 (11-1) This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. MONTICELLO NUCLEAR GENERATING PLANT RV29-2"-HK 2 1/2"-29M3 D65A-3/4"-HC DRAIN TO REMOVABLE CONTAINER 3/4" 3 D65B-3/4"-HC CH1-2 1/2"-HS D63-1"-HC RV29-2"-HK XP-2-2 CONTROL PUMP STANDBY LIQUID 12 DRIP PAN 1/2" D67-1"-HC 2 HOSE CONN. XP-25 NOTES: 2. 3. 1. 3. 11-45 LT SLC100 L 2 1/2"-29M3 DM-55 1"-276Y 7994 PI DEMIN. CH1-2 1/2"-HS STANDBY LIQUID CONTROL PUMP 11 DRIP PAN 1/2" (D,1) WATER 4437A TC RV29-2"-HK 2 1/2"-29M3 XP-2-1 DW8-1"-HS DM-56 1"-176Y HJ HS 11-59 TS C69 4437B TC TE 1"-76Y XP-20 HS HC D68-3"-HC XP-17 2 1/2"-29M3 RV29-2"-HK DW6-2 1/2"-HS 3 A/S C69 2 1/2"-237M3 XP-16 CH3-1 1/2"-HK DW6-2 1/2"-HS NH-36049-13 (D,3) M-131 INSTRUMENT AIR TO PT 11-52 (D,4) 11-55 FIC RV29-2"-HK 4599 PI 4437D TC LI 11-66 C05 C69 E/S 11-69 C19 C69 4267 LS C05 XP-1 4437C TC CH1-2 1/2"-HS 1. 2. 3/4"-176Y AS-22 HK 1"-176Y DM-52 JB 3/4"-263 AS-21 1"-276Y DM-51 TO A C05 GROUND HEATER 1 1/2"-HK 1 1/2"-76Y XP-18 HK HC HEATER SPARGER 11-47 LS (HEATER SHUT-OFF) A LOW LOW C05 TANK ON L LOCATED 7449 LT C69 7449 LI L ON OFF VENT C69 DW7-1"-HK HK HJ OR TE 11-50 TS 11-48 TIC C69 A H L C05 E/S 7449 C19 11-70 LS C19 2 11A-S2 HS C69 C NH-36253 MONTI CAD DWG ` ' M-127 REV 1 NF-156965 P&ID STANDBY LIQUID CONTROL SYSTEM NORTHERN STATES POWER COMPANY Energy Xcel sm SCALE: NONE 80 P A B NH-36039 AS-19 NX-7879-4 NX-7879-3-1 (E,4) TO 1044 PCV (E,2) NH-36049-4 M-131 (C,7) FROM WATER DEMINERALIZED M-108 C A H L C05 4603 TI DWN: APPR: APPR: CHK: DWN: CHK: 77 1 76 16884 IL 10-19-10 BAL 10-13-10 JJP 10-12-10 EC REVISIONS JJP 3-5-08 11951 01121715 RMG 3-12-08 BJR 3-11-08 EC A/R C D E 20168 APPR: JWP 9-13-12 CHK: DWN: BAL 9-12-12 JJP 9-11-12 78 EC SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A 25011 APPR: RAD 1-28-15 CHK: DWN: BAL 1-28-15 JJP 1-28-15 79 EC PAGE 3 ADDED TO.PDF DOC. 25660 APPR: JCG 5-11-15 CHK: DWN: BAL 5-11-15 JJP 5-11-15 80 EC SAFETY-RELATED FLEXPRO STAINLESS STEEL FLEXICARB STYLE PN GASKET APPROVED 4. FOR USE RV-11-39 A & B INLET PER EC25660. 80 80 80 NOTE 4 NOTE 4

MONTICELLO NUCLEAR GENERATING PLANT Xcel

MONTICELLO NUCLEAR GENERATING PLANT Xcel

Xcel MONTICELLO NUCLEAR GENERATING PLANT

2830 FIC 6"CV-52B FDPC-2-2 6"-237 RT16B-6"-HC 2833 CR 3PEN 2825 YS 2883 PX 2819 PI A H C88 A H C88 FDPC-5-1 3"-29 PC-51-1 ORW C88 A/S TIMER PROGRAMMER AO-2845 AI-297-1-1 3486 HS FROM (C,6) A/S C88 A B (A,5) 6 TO CR-2833 FPW9-6"-HC FROM PRECOAT TANK C217 HEAT EXCHANGERS FROM FUEL POOL NH-36256 M-135 (B,3) PROGRAMMER TIMER C88 FPC100 C F53A 2794 SX 6"CV-52A M-139 NH-36045 F.C. RT16-6"-HC 2803 AO O L C 6"-237 FDPC-2-1 ACCUM RT16A-6"-HC C217 2833A CE 2833A CIT (E,5) AO-2799 FROM (B,4) PI PCV NH-36257 C D E 2827 dPIS 2829 FE PI-4A 2829 FS C88 TO FI-2829 A L C88 53A1 PCV C88 BACK C88 FRONT AS-18-1 53A PCV C88 2817 HS TIMER PROGRAMMER C88 SV AI-297-6 TO AO-3484 (B,6) FU-53A SV A/S 2829 FIC C88 FIC-1A ToT 2829B FCp NH-36256 FQ-1A M-135 (B,3) C88 NH-85509 PILOT AIR HS 2845 (D,4) SV 2845 2845 AO RT34A-2"-HC 2"CV-57A F.C. C C88 L O 3/4"-HC FE-1A 4150B CST-143-1 2"-HB FS-1A SERVICE M-114-1 COND. L 2"-19 C88 HS 2829A FCp EXT-1A 2829 FT FT-1A 2831 PI 2"-HC PI-2A dPIS-1A HC HK 2829 CV PC-14-1 6"-418M7 (B,3) NH-36045 TO LIQUID RADWASTE M-139 CRW-102-1 (E,2) 2829 HS C88 2829 SV CV-4A M-135 NH-36256 TO FUEL POOL 6 C217 FPC101 C 2795 SX 4" F.C. 6"-HK A H C88 2833B CIT 2833B CE C217 C88 FPWB10-6"-HK A H C88 RT20-6"-HC AI-297-7-1 3485 HS (C,3) 3/4"-HC 5 ORW ALARM ON HIGH TEMP 5614 TS 3484 SV 3484 HS FDPC-9-1 AI-297-6-1 PROGRAMMER HS 2803 TIMER C88 3484 AO C L C88 O FDPC-9-3 3486 AO C88 AI-297-3 2803 SV A/S 3486 SV L C O C ORW 3/4"-HC TO PRECOAT TANK NH-36045 M-139 AO-2846 FROM (C,3) 6"-29 PC-13-1 CH30A-1"-HC HB 2797 PI PI-1A 6"CV-7A F.C. HC PI FDPC-1-1 1"-19 ACCUM HC HE 3/4"-HC PI TYPICAL FOR ALL VALVES 2649 ORW 4 DETAIL "A" FOR "AO" VALVES UNLESS OTHERWISE SHOWN HE FROM LIQUID 3485 AO 3485 FDPC-9-2 RADWASTE M-139 (C,5) NH-36045 CRW-101-1 SV C C88 L O AI-297-1 TO AO-3486 (B,6) HS 2799 PCV 2799 AO C88 L O C TIMER C88 PROGRAMMER 2799 SV A/S HB L (LIMIT STOP) SLUDGE TANK TO WASTE NH-36047-1 M-141 RT33-6"-HE (E,5) F.C. FUEL POOL FILTER/DEMIN T-47A (P.O. M16) 11 C HB FPW10A-6"-HK V37-3/4"-HC 3/4"-130 FDPC-7-1 F.O. HOLDING PUMP 2823 PCV 2823 HS AI-297-2 2823 SV C88 4150B P-55A FUEL POOL 11 AO FPW15A-2-1/2"-HB ACCUM PI L C88 PI-3A 2821 PI 2 1/2"-237 O C FDPC-6-1 FPW15A-3"-HK AI-296-2 SV 2817 A/S 2882 PX PROGRAMMER TIMER C88 HK HB YS-1A HK PCV 2817 AO PCV FDPC-4-1 6"-256M3 6"CV-53A CH29A-1"-HC FDPC-8-1 RT20A-6"-HC 2"CV-51A C FDPC-3-1 1"-19 FPW9C-6"-HC RT33A-6"-HE F.C. 2805 dPT RT20A-6"-HK ACCUM C88 L O PI F.C. HC HK ORW dPIS-2A dPT-1A 2805 dPIS C88 HC HE C88 A H 2815 PCV 6"CV-6A F.C. (B,6) CRS-1 (E,3) PI ACCUM AO SC13A-6"-HB 5 A/S C88 TIMER PROGRAMMER AI-296-4 HS 2815 C88 O L 2815 SV F.C. C LOCAL PANEL A C04 C88 F.P. TROUBLE C F.C. 6"CV-3A RV35-2"-HC RV35-1 1/2"-HC RT33A-6"-HE ORW 2807 C 2801 RV C88 L AO O L C88 O C AI-297-4 2807 PROGRAMMER C88 TIMER 2807 SV HS V78A-1"-HB A/S 1"CV-9A AO PROGRAMMER TIMER C88 2809 AI-297-5 2809 HS 2809 SV A/S C88 FIC-1B NOTE 1 2813 PS AO 2813 AI-296-1 PROGRAMMER TIMER C88 L C O 1"CV-14A C88 2811 AO A/S 2"CV-8A F.C. 2811 2811 HS SV C88 L O 4 TO LIQUID RADWASTE CRW-102-2 NH-36045 AI-296-3 2813 PROGRAMMER TIMER C88 PS-2A HS SV 2813 V53A-2"-HC (E,2) A/S HS 2830 C88 M-139 RV36-2"-HC RV36-1-1/2"-HC PS-2813 & PS-2814 ABANDONED IN PLACE UNDER WRA #72-00875. HS AI-297-10 2800 PROGRAMMER TIMER AI-296-7 AI-297-8 2808 HB HE 3/4"-HC 3 TIMER PROGRAMMER PCV ACCUM AI-297-12 A/S 2804 C88 PI L O C AO 2804 HS 2804 SV C88 AI-297-12-1 3487 HS C88 L C O FDPC-9-4 3487 AO 3487 SV 2 CH30B-1"-HC HB PI-2A 2798 PI FPW9D-6"-HC 5615 TS ALARM ON HIGH TEMP ORW C PC-13-2 6"-29 CRW-101-2 (C,5) NH-36045 1. NOTE: 6"CV-7B F.C. HC PI FDPC-1-2 1"-19 ACCUM FROM LIQUID RADWASTE M-139 2800 AO O C L C88 PCV F.C. AI-296-8 HOLDING PUMP 2824 PCV 2828 dPIS 2826 YS 2830 FE PI-4B FE-1B CST-143-2 RT33B-6"-HE 2"-HB NH-85509 AI-297-7 TO AO-3485 (A,5) A/S (D,4) HS 2846 2846 SV 2846 AO C88 2830 FS TO FI-2830 A L C88 ToT 2830B FCp NH-36256 FQ-1B M-135 (B,3) C88 FS-1B CONDENSATE SERVICE M-114-1 L 2"-19 C88 4150C HS EXT-1B 2830A FCp 2830 FT FT-1B 2832 PI 2"-HC ORW PROGRAMMER TIMER A/S RT34B-2"-HC HC HE 2"CV-57B F.C. L C O C88 3/4"-HC 2824 HS AI-297-11 2824 SV C88 4150C FUEL POOL P-55B 12 FPW15B-3"-HK PC-51-2 3"-29 FDPC-5-2 2820 PI 2885 PX PI-2B dPIS-1B HC HK 2884 PX A/S YS-1B HB HK HK 3 PC-14-2 6"-418M7 2830 CV 2830 SV CV-4B 4" F.C. 6"-HK FPC102 C A H C88 TO CR-2833 (E,5) 2833C CE 2796 SX C217 HB C217 2833C CIT C 6"CV-6B A H C88 2806 dPT CH29B-1"-HC FDPC-8-2 6"CV-53B 2"CV-51B F.O. AO FPW15B-2-1/2"-HB ACCUM PI C88 L PI-3B 2822 PI FDPC-6-2 2 1/2"-237 O C RT20B-6"-HC C FPW10B-6"-HK 2818 AO 6"-256M3 FDPC-4-2 V38-3/4"-HC FDPC-7-2 3/4"-130 ORW RT20B-6"-HK C88 O L F.C. HC HK 6"CV-3B FPW9D-6"-HC FDPC-3-2 1"-19 F.C. ORW 2808 C 2802 RV C88 L AO O FUEL POOL (P.O. M16) T-47B 12 FILTER/DEMIN dPIS-2B dPT-1B 2806 dPIS C88 HC HE TIMER PROGRAMMER C88 2808 SV HS C88 TIMER PROGRAMMER A/S PCV 2816 PI SC13B-6"-HB ACCUM AO AI-296-5 HS 2816 C88 O L 2816 SV PI-6 2834 PI F.C. C88 L O C 1"CV-14B AO 2812 C88 1"-263 AS-26 SC13-6"-HB PCV-1 2835 PCV 2 HC JB 2835 PI SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A 1 C88 TIMER PROGRAMMER 2800 SV A/S F53B PROGRAMMER C88 TIMER C88 A/S A B C AI-297-9 2810 PILOT AIR SV AO 2810 V78B-1"-HB F.C. A/S C88 O L C 1"CV-9B PROGRAMMER TIMER C88 SV 2810 HS C88 BACK C88 FRONT 53B1 PCV FU-53B SV 2818 HS C88 PROGRAMMER C88 TIMER AS-18-2 53B PCV A/S SLUDGE TANK NH-36047-1 AS-45 1"-65 TO WASTE AI-296-6 2814 2814 PS 2814 AO 2"CV-8B 2812 F.C. 2812 HS SV A/S C88 L O V53-2"-HC V53B-2"-HC NOTE 1 2836 PI TIMER PROGRAMMER C88 PS-2B HS SV 2814 SA5-1"-JB PI-5 M-141 (E,5) BACKWASH CONDENSATE NH-36039 (C,6) FROM M-108 NH-36049-4 A/S (B,5) SERVICE AIR M-131 FROM DWN: APPR: CHK: 76 1 JJP 3-5-08 11951 01121715 RMG 3-12-08 BJR 3-11-08 A/R EC REVISIONS C E 17346 APPR: AVW 1-25-11 CHK: DWN: BAL 1-4-11 JJP 1-3-11 77 EC NH-36257 MONTI CAD DWG ` ' This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. SCALE: NONE M-136 N Xcel NORTHERN STATES POWER COMPANY MONTICELLO NUCLEAR GENERATING PLANT Energy sm FUEL POOL FILTER/DEMIN. SYSTEM P & ID REV 79 LOCAL LOCAL 23977 APPR: CWB 2-26-15 CHK: DWN: BAL 2-26-15 JJP 2-12-15 78 EC 2818 SV PROGRAMMER TIMER C88 POS PCV 26770 APPR: CWB 11-21-16 CHK: DWN: BAL 11-16-16 JJP 11-15-16 79 EC 79

MONTICELLO NUCLEAR GENERATING PLANT Xcel

V-EF-9 TO REACTOR BLDG MAIN PLENUM W & EMERG = 0 CFM (SEE NOTE 2 DWG M-155, NH-36267) S = 0-40,000 CFM V-MZ-1 S = 15,400 CFM W = 15,400 CFM A 6 V-MZ-4 B C BD EXHAUST SUPPLY F.D. FIRE DAMPER DUCT PASSAGE DAMPER FREE AIR INTAKE LOUVER BUTTERFLY SOLDERED DUCT BALANCING B.D.B.D VALVE OUTSIDE AIR DAMPER HELB DAMPER BACKDRAFT S HELB EQUIPMENT COIL COIL HEATING COOLING ZONE # S = -- CFM = SUMMER W = -- CFM = WINTER TAG NO. DAMPERS AXIAL FAN FAN CENTRIFUGAL MOTOR OPER BACKDRAFT DAMPERS BALANCE ROUGHING FILTER LEGEND C C V- -- - H C 1 S OR W EMERG. = 0 CFM W = 0 CFM S = 0-28,400 CFM NH-36263 DISCHARGE FROM V-FU-4 (HOT MACHINE SHOP) 1100 CFM - LO 2400 CFM - HI W = 18,000 CFM 4,750 CFM MIN. S = 0 CFM D E OPERATING WHEN tSS = 90° F 6 (SEE NOTE 2 DWG M-155, NH-36267) This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. MONTICELLO NUCLEAR GENERATING PLANT Energy AIR FLOW DIAGRAM - TURBINE BUILDING CABLEWAY BLOWOUT V-EF-12 B.D.D. tRS=104° F tRS=104° F 12 AC/HR tRW=60° F 3 AC/HR ELEV. 911'-0" CONDENSATE PUMPS 300 CFM PIPE AREA UNDER tRS = 130° F tRW = 100° F 1,600 CFM COND. RESIN tRS = 104° F tRW = 74° F PUMP 18 AC/HR 400 CFM B.D.D. BD tRW = 74° F tRS = 104° F 18 AC/HR tSW = 60° F tSS = 90° F BD 2 3 5,700 CFM 1,200 CFM PIPE WAY 400 CFM 5 3,300 CFM 2,400 CFM 1,200 CFM 400 CFM 200 CFM CLEAN R.W ELEV. 908'-0" 8 AC/HR SUMP 6,750 CFM 9,000 CFM 6 AC/HR ELEV. 911'-0" GLAND SEAL COND. AIR EJECTOR & SWITCHGEAR AREA ELEV. 911'-0" RAILROAD ENTRANCE ELEV. 935'-0" tRW = 100° F tSS = 90° F tRS = 130° F 6,500 CFM ELEV. 908'-0" COND. VACUUM PUMP tSW = 120° F BD 1 2,500 CFM 7,200 CFM DOOR (100 CFM EXFILTRATION) 1,900 CFM 70 AC/HR tRS = 96° F 2,200 CFM tRW = 60° F 11 AC/HR HATCH 6 AC/HR tRS = 104° F tRW = 70° F 13 AC/HR 13 AC/HR TANK ELEV. 908'-0" tRW = 74° F tRS = 104° F 3 AC/HR TANK VENT 2,200 CFM DIRTY R.W ELEV. 908'-0" 10 AC/HR 1,600 CFM SUMP TANK 550 CFM 1,200 CFM HATCH (TYP.) 4 COND. DEMIN. ELEV. 925'-0" PIPEWAY 4,750 CFM tRW=74° F SIDE OF CONDENSER NORTH TO 1,620 CFM (TYP.) HATCH PIPE TUNNEL BACKWASH RECEIVING CONDENSATE 250 CFM 22,000 CFM 104° F 140° F SAMPLE 1,200 CFM STATION 1,200 CFM 880 CFM 100 CFM DEMIN. VALVE CELLS EXFILTRATION TO COND. ELEV. 931'-0" GENERATOR 850 CFM 6,900 CFM 10,200 CFM 90° F 104° F B.D.D. V-AC-3A 150 CFM CFM 150 40 CFM C PANEL C V-AC-2 C C 90° F 2,200 CFM V-D-9302 NC, FC 7,200 CFM 9,000 CFM ELEV. 935'-0" SWITCHGEAR AREA NH-36267 M-155 tSS = 90° F tSW = 100° F tSW = 63° F tSS = 90° F C C H C V-CC-27 2 1 SUMMER VENT UNIT V-AH-1 HELB-9 tRS = 104° F tRW = 60° F 10 AC/HR HELB S = 0 CFM W = 13,500 CFM 5 TO SBGT ROOM VENT AREA 128.8 IN2 V-UH-1 C H 850 CFM ALONG WALL V-UH-20 THRU C H 20 UNIT HEATERS EXFILTRATION TO COND. 200 CFM DEMIN. TANK CELLS 4 EL. 951'-0" W = 3/4 AC/HR S = 5 AC/HR OPERATING FLOOR W = 5,000 CFM ELEV. 931'-0" ENCLOSURE PIPE & ELEC. 4.2 AC/HR NH-36035-2 TANK CELLS 3 AC/HR 3 AC/HR 3 TOTAL 100 CFM ELEV. 936'-6" CONDENSATE INFILTRATION DEMIN. VALVE CELLS ELEV. 925'-0" 2 AC/HR (TYP. FOR 8) tRW=60° F tRS=104° F 1,700 CFM 1,700 CFM 100 CFM V-EF-11 6,550 CFM 29,900 CFM INFILTRATION 200 CFM 40 CFM V-AC-3B 40 CFM B.D.D. CONDENSATE B.D.D. DEMIN. 2,400 CFM C C tRW = 60° F - 100° F V-AC-1 tRS = 125° F 5,200 CFM S 95° F 29,900 CFM V-EF-30 C C 125° F 2,000 CFM V-EF-26 B.D.B.D. BD 1,800 CFM MAIN FLOOR HATCH TO RIGGING TRAY 800 CFM S & W M-104-1 (C,2) 2,000 CFM 2 TO DILUTION AIR FANS BECHTEL JOB No. 5828 Xcel NORTHERN STATES POWER COMPANY tSS = 90° F TO NORTH SIDE 911' TUNNEL tSW = 86° F tSW = 60° F tSS = 90° F HELB-7 OF CONDENSOR BD tRS = 104° F tRW = 72° F EMERG. = 61,400 CFM 6,550 CFM S = 54,800 CFM W = 61,400 CFM 2,400 CFM 7,000 CFM 5,200 CFM VENTILATION NH-36267 STACK M-155 TO MAIN 5,200 CFM tRS = 104° F LUBE OIL COOLERS ELEV. 911'-0" RFW PUMPS 5.65 AC/HR tRW = 60° F ROOM OIL LUBE 2 1 HELB V-MZ-6 C H W = 1,000 CFM HATCH FROM WATER TREATMENT S = 6,000 CFM 3 W = 16,400 CFM tRS = 104° F tRW = 60° F S = 9,800 CFM AROUND TURBINE OPENINGS IN FLOOR CONDENSER AREA 8 AC/HR 37,000 CFM TO ZERO BD RIGGING 911' ELEV. tSW = 50° F tSS = 90° F NH-36267 tSS = 90° F tSW = 100° F M-155 SUMMER VENT UNIT S = 0 CFM ZERO TO 37,000 CFM NC, FC 7,200 CFM HELB-8 HELB N.C. N.O. 1 2 V-D-9303 2 TO REACTOR BLDG MAIN PLENUM S = 0-40,000 CFM W & EMERG = 0 CFM V-MZ-5 V-AH-2 tSS = 90° F SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A NH-36263 MONTI CAD DWG ` ' SCALE: sm NONE 1 A REV 79 M-151 H W = 8,100 CFM S = 13,100 CFM S OR W EMERG. = 8,100 CFM tSW = 30° F tSS = 90° F B C REVISIONS 01121715 JJP 3-5-08 RMG 3-12-08 BJR 3-11-08 11951 16179 RKJ 12-6-11 DDW 12-6-11 JJP 12-6-11 16307,10915 AAR 6-6-13 BAL 6-6-13 JJP 6-6-13 EC 78 S = 44,200 CFM W = 44,200 CFM APPR: CHK: DWN: S = 0-28,400 CFM S OR W EMERG. = 0 CFM W = 0 CFM 77 APPR: CHK: DWN: 76 DWN: APPR: CHK: EC A/R EC 1 D E 22453 APPR: NTM 7-15-13 CHK: DWN: BAL 7-15-13 JJP 7-15-13 79 EC 79

Xcel MONTICELLO NUCLEAR GENERATING PLANT

dPT 1800 XJ 1160 1 "-65 1 "-65 CW-42 TANK T-63 VACUUM CONTROL SW-75-1 SW-75-2 C101 (NOTE 1) GATE ISOLATING CW-51-2 VENT NH-36489 VENT A B C N.W. N.W. D TE 5011 8 CW-51-1 10" EPA HOT WATER SPARGER LINES M-800-1 NH-36489-2 (B,8) (B,5) 1" CW-52-2 2 1/2" 1" 2 1/2" CW-52-1 T CWT101 CW-16 36"-456 TT 5011 RTD CW-12-2 CW-12-1 A L C06 A L C06 FOR 4 C.W. GATES PUMP P-50B BKR 2120 WATERBOX SCAVENGING SEPAR T-62B WATER 12 N.W. CONTROL CIRCUIT M-811 NH-36665 (A,4 & A,7) PUMP TRIP C 12 PI 2479 5" 5"- 1 "

PUMP P-50A BKR 3120 WATERBOX SCAVENGING V26 V46 ATMOS WATER SEPAR T-62A 11 N.W. ATMOS 8 11 PI 2478 5"- 5" 1 "

L CWT110 C101 SW-76-2 C06 1853A LS TDR 95-34 5"-54 CW-11-2 1 "- SW-77-2

C101 LS 1853B LT 1853 SV 1910 C06 C06D-2 E/S

1 "-65 SW-78-2

1 "-65

C06 1853A LI 5"-54 CW-11-1 SW-77-1 1 "-

6"-54 SV 1909 CW-43 1 "-65

SW-78-1 SW-76-1 1 "-65

CW-116 CW-118 VRV 1913 CIRCULATING WATER PUMP TT 1808A RTD 36" DE-ICING LINE S-100B - BKR-2314 S-100D - BKR-2315 CW GATE (TYP OF 2) MOTOR OPERATED 7 6 SWB-6A & 6B STILLING WELLS T CDR105 TT 1805 T-221 TX 1812 AI-812-2 AI-812-1 AI-811-1 AI-811-2 TT 1806 T CDR106 TX 1811 M-110 NH-36041 (E,5) FIC 1853 SERVICE WATER SW-74-2 1 "-65

LI 1853B YS 1908 C101 SW-74-1 1 "-65 CS 42-3120 CS 42-2120 LG 1917 PS 1916

YS 1907 PS 1915 7 PI 1914 CW-117 T-220 MO 1157 HS 1157 L O C C06 RTD RTD L O C 3117 BKR V25-6"-JB XJ 1161 90" N.W. dP CDR100 C06 1801 dPI C06 C06E-4 E/S dPT 1801 TX 1814 6 XJ 1817 & O/L CWT132 MO 1851 TE 5044 SX 1845 HS 1851 5044 12 BKR 152-405 P-100B VC 5611 VS 5611A T TT VS 5611B CW-113 5 XJ 1849 CWT130 TE 5042 T TT 5042 TE 5040 5040 CWT119 TT T MV/I C101 MV/I C101 POS 1851 PI 1847 BKR 1331 78" TE 5034 CWT108 T MV/I C101 RTD LP CONDENSER T CDR103 L CWT109 TDR 95-33 (NOTE 2) BYPASS 4"-54 CW-9 CW-10-3 A C06 C06 CW-44-2 A H C06 C06 152-405 CS C 4"-54 CW-10 C C06 1852A LS A TRIP C06 C06 43-102 CS PUMP TRIP C L A VAR 1861 VAR 1859 CW-10-9 TT 1808C (WEST) CW-10-7 CW-10-1 CW-91 2" 4" 4" TT 1808B RTD CW-10-8 CW-10-2 1" 1" 1" 1" 1808D RTD TT RTD C06 1852A LI LT 1852 CW-44-1 LS 1852B L O C C06 90" C101 90" C101 C06 C06D-1 E/S 4" 4" LI 1852B PT 5303 C101 90" C06 1800 dPI (EAST) CW-90 C06 C06E-3 E/S 12 E-1B 5 dP CDR108 2" XJ 1838 2" VAR 1856 HP CONDENSER CW-10-12 1" (A,8) M-800-1 NH-36489-2 This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. MONTICELLO NUCLEAR GENERATING PLANT CV 2589 D21-08 CKT CIRCULATING WATER PUMP A TRIP C06 CW-9-12 CW-10-6 CW-9-6 (C,5) NH-36489-2 M-800-1 4 STILLING WELLS (NOTE 1) ISOLATING S-100C - BKR-1315 MOTOR OPERATED (TYP OF 2) S-100A - BKR-1314 108" 108" GATE C06G-1 E/S C06 CW GATE VENT 108" SWB-5A & 5B BKR 152-305 P-100A 11 VC 5610 VS 5610A CW-9-2 CW-9-8 1" CONDENSER WATER BOX VAR 1858 C101 P CWT100 FIC 1852 4" 3116 BKR HS 1156 MO 1156 CW-9-1 L O C C06 AI-813-1 AI-813-2 AI-814-2 AI-814-1 CW-9-3 4" L O C CW-92 1" CW-9-9 CW-9-7 VAR 1860 4" 4 CW-47 TR 1804 90" C20 VAR 1855 TIMER M-131 NH-36049-3 (B,3) A/S PUMP-DOWN C 1" HS 2589 N.D. A H C06 SV 2589 CW PUMP CW-8 TRIP 1" CW-46-1 1" 90" 1" VAR 1857 CW-9-11 CW-10-5 CW-9-5 1" 1" VAR 1854 4" (C,1) & O/L CWT129 TE 5041 TT 5041 C101 MV/I XJ 1848 3 MO 1850 SX 1844 HS 1850 CWT131 MV/I C101 T TE 5043 TT 5043 VS 5610B CW-112 MV/I C101 CWT118 T TE 5039 TT 5039 T 78" PI 1846 POS 1850 BKR 2316 NH-36664 (B,6) SYSTEM WATER M-112 RHR SERVICE TE 5033 RTD CWT107 T SW6-24"-JF M-800-1 (B,8) NH-36489-2 dPT 1799 TT 1807B CW PUMP TIMER M-131 NH-36049-3 (B,3) POT 1155 L O C C06 D11-08 CV 2509 ATMOS C06 152-305 CS C 1" 4" 2" 2" HS 2509 90" L O C C06 SV 2509 N.D. MO 1155 C06 1155 POI HS 1155 CKT L O C TRIP 6" T CDR104 CW-9-10 CW-10-4 CW-9-4 4" 1" 4" 1" 1" 3 C06 C06E-2 E/S dP CDR109 C06 1799 dPI CW-46 TT 1807A RTD CW-45-2 NH-36046 DISCHARGE RADWASTE M-140 INTERLOCK TO A/S BKR 3115 78" INT N.F. INT. L.F. XJ 1159 PX 1862 108" C06 POI 1154 C L O CW PUMP TRIP M-131 NH-36049-3 (C,3) TIMER A/S TT 1807C RTD RTD CW-10-11 (WEST) HS 2590 SV 2590 N.D. 1" CV 2590 D21-08 CKT TX 1813 NH-36489 MONTI CAD DWG ` ' M-800 REV CLOSED CYCLE SEQUENTIAL BYPASS SWITCH. DISCHARGE STRUCTURES. INTERCHANGEABLE USE AT INTAKE AND TWO CONCRETE GATES PROVIDED FOR P&ID CIRCULATING WATER SYSTEM Energy NORTHERN STATES POWER COMPANY 2 NOTES: Xcel 1. 2. sm 1 SCALE: NONE dPT 1798 dP CDR110 C06 1798 dPI C06 C06E-1 E/S L O C C06 PX 1864 CW-45-1 HS 1154 MO 1154 BKR 3108 POT 1154 6" PX 1863 XJ 1158 78" INT. L.F. INT N.F. HS 2510 N.D. CW-10-10 E-1A CV 2510 D11-08 CKT 1" 11 ATMOS 2" 4" SV 2510 2 1" (EAST) TIMER M-131 NH-36049-3 (C,3) A/S CW PUMP TRIP XJ 1818 TX 1815 T CDR102 TX 1816 SERVICE NH-36041 (E,3) SYSTEM WATER M-110 TT 1810C TT 1810D TT 1810B TT 1810A SERVICE SYSTEM NH-36041 M-110 (E,6) WATER SW4-12"-JF SW8-14"-JF 20" RTD RTD RTD RTD T CDR101 TT 1809B TT 1809A TT 1809D TT 1809C RTD RTD RTD RTD REVISIONS 1 85 T A B C D CW-120 CW-119 SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A 18765 APPR: JCG 8-13-13 CHK: DWN: BAL 8-12-13 JJP 8-7-13 83 EC 24667 APPR: BJR 5-21-15 CHK: DWN: BAL 5-20-15 JJP 5-19-15 84 EC PI 1855 PI 1854 PI 1861 PI 1857 PI 1860 PI 1856 PI 1858 I-CWT-R-1858 TYGON TUBE USED FOR WATERBOX LEVEL INDICATION PI 1859 I-CWT-R-1859 TYGON TUBE USED FOR WATERBOX LEVEL INDICATION TYGON TUBE USED FOR WATERBOX LEVEL INDICATION TYGON TUBE USED FOR WATERBOX LEVEL INDICATION 23363 APPR: JCG 4-20-17 CHK: DWN: BAL 4-20-17 JJP 4-20-17 85 EC 85 2" 1 "

MONTICELLO NUCLEAR GENERATING PLANT Xcel

Xcel MONTICELLO NUCLEAR GENERATING PLANT

NE-36640-2 r-:: --- DG INLET I RECPT. RCP-3315 I 1 2 '3 4 I

7 RCP-3315 I

I L 1,L2,L3 G

  1. 6
  2. 12 D10 AWG AWG I

-"II -ltSV _ BATTERY = I r----r

  1. 142-480V MCC B42 I

I ""' +/- I 1 ll&Li.,L! _ f ! 1 ~ ~ AWG. t t t

  • I2.-1es v B,*,TT ER 'f

'...L I 143-48 MCC B43 I I __,.__.. ____ ~ I I --+---+--... -- L 1,L2,L3 I I

  1. 6 AWG_...........

I I 1 t t NOTE 2 fil I r-:: I I I

7 I

DG INLET RECPT. RCP-4315 RCP-4315 L1,L2,L3 G I

  1. 6
  2. 12 r---'---, AWG AWG I

020 ' 1 )2 3' 4 NOTES: I. GROUND DETECTQ!, (GDR -I t GDR -a) AND VOLTAGE RELAYS (BVR-1 & BVR-2) ARE INSTALLED ADJACENT TO DISTR. PANELS AND WIRES AS SHOWN. REVISIONS 76 EC720 DWN: JJP 8-14-08 CHK: PEB 8-15-08 APPR: RES 8-15-08 !UT I L1L2L3G Pt NI I I) I) I) 6~~A I

SCHEME 64205 ~

~ ~ ~ I) ) I) 6~~ I B'1$1e<;, J ¢ I I L1 L2 L3 G e.. MANDATORY ROU,-ING SEPARATION OF SCHEME BSSIS fROM 5tHEME B-131'5 ?,, ~EE !:.HEET ~ FO!s fU!:,e TYPE ( APPLICATIONS DWN: JJP 12-5-08 CHK: RES 12-9-08 APPR: MFP 12-10-08 78 EC 13284 I _____, L I* ALAI\\M

  • I,----+---+---+------+--+--+--+-~

DWG E-32 L1 L2 L3

:J FOR INTERNAL WIRING SEE I

I Q!2 NX-9173-18-1,-2 N N BI\\TIE;JP~rfGER -+-<D-+..._I -e - 71 #11 125Y BATTERY CHARGER.W.0 ~ ~<C UNDERVOLTAGE 80 AMPS OR HIGH VOLTAGE I I ..J I N ~ SCHEME R3315_J Ole. Q:1.Q AL ARM l~W6E*S2..., L1 L2 L3

  1. 14-BATTERY 040 FC~ INTE~NAL WIRING $t£ CHARGER SUPPLY

-a,73-18-1 -2 UNDERVOLTAGE _.o-+.::...- - OR HIGH VOLTAGE

  1. l 4 1?5\\/ RATTFRY CHARGER D40 SHUTDOWN 1

80 AMP (C08--A-15) I PT NT DI I 400A TIME DELAY , _ __.41 $HUNT 200 A _/'--tfl SO MV 200* O* 200A 022 P"I 021 I --LI L2 LS SCHEME 84315 I.... _p20 ALARM rwG.E*se*I L1 L2 u BATTERY CHARGER02.0 FOR INTERNAL WIRING &IE SUPPLY __ NX-9173-18-1,-2 UNDERVOLTAGE 4--<:>-+_..___. 7 N_..OR HIGH VOLTAGE I SHUTDOWN I

  1. 12-1251/ BATTERY CHARGER D20 80 ~MP (CO6*,*,-I':>) -:>--t-~- _.J I

L ..J I N (D ~ SCHEME R4315_J

4. & -COMPUTER INPUT BATXXX - COMPUTER. POINT :IO (SEE DWG. NE-36723)

DWN: JJP 4-8-10 CHK: BAL 4-8-10 APPR: RES 4-8-10 79 EC25350 SHUTDOWN _.J NT(-) PT(+) (C08-A-15) (+) (-) ~T(+) T(-) SEE Nl'*3!,, 709 /l-----+:--'---1-.:.....:.---------------------.....l DWN: NJM 4-6-15 CHK: AJR 4-6-15 APPR: NJF 4-6-15 020 SEE NF-36709 Q!2 ~,- - 040 SEE Nf'-31,,70'1 ll40 021 100A -1oe.1 L----------------------C~PS-O-l:-1--0:""JF-'!'-+--+-~-l[""JF-~)--P&-o---------------t-------u--p5--<)-'-....--1L_JJ-~--+--~l'-..JOhr:-O-P8-U-----' lw L-------------------------<H! 1;..........,7!.../-+--+-~-1[7!-__..~)--N~-0---------------------0--N&---<:,-:._.,_-i[:JJ-7.--!--..--'-IT::Jl-..._7 1 0-NB -11 12'!>V DC BUS GROUND FAULT

  1. 11 125V DC BUS VOLTAGE HIGH/

LOW DI I COM +..+- uDR* I G NOTE I 011,------~~ COM NC NO BVR-1 "l1-125V DC BUS I I I I r-----------:-:--+-il=..!}--~--t-~*'-i! 7 t-_.._,_ _ _, 011 125V DC DISTRIBUTION 021 I SN SP SP SN I 011 I I~ i I~: I # 11-125V DC DISTR. PANEL ? ? C2.89A C.04 ~ oe.1 I ~ ~~iJ~I

O~i~02 ~-r--=<:)-1:....1...-DK---<-----1-*o I #12-1251/ DC DISTR. PANEL 021 D 11 I SEE SCHEDULE SH. 3 FOR SWITCH I

I & FUSE RATINGS PANEL ARRANGEMENT P7 & CIRCUIT NO'S. I N'7 011 t

c ___ o:

I I lo 01 I w l w l I I I #111-125V DC DISTR. PANEL 0111 I TURB. BLDG,, EL. 911 WE'iiT NIOI SEE SCHEDULE SH. 3 FOR SWITCH I & FUSE RATINGS PANEL ARRANGEMENT ~ C.IB,CWI !::ill'~ - PIO Otll

cr ___ QJ
c======~i I #121-125V DC DISTR. PANEL D211 I I

SEE SCHEDULE SH. 3 FOR SWITCH TURI!>, l!>LOG, EL. 9 as WES,. II' I 2-I 25V r--+-ee GDR-2 NOTE I DC BUS D!I C0"1 - >10 ALARM-5 llWG.: -~'3

  1. 12-125V DC BUS GROUND FAULT
  • 1e-1asv oc e.u!i VOLTAG,E KIG,>s/

LoW s C H E M E D I ( [XCltPT AS NOTED ) I SEE SCHEDULE SH. 3 FOR SWITCH I & FUSE RATINGS PANEL ARRANGEMENT L..&. QEC.lll.T l!O'S.. - _J I & FUSE RATINGS PANEL ARRANGEMEN~ _ 1r.. CIRC.l.!JI.lli)'~ _____ _ SCHEME 0 2 ( E)(CEPT A'i> NOTED) I

  • 012.

010 !0C>MCM Pl,Nl ,---,!;l-~01 !500 MCM P!,N! 2.ll P5,N5 P7,N7

  1. 2 AWG 250 MCM

!lli.l P6,N6 §2 AWG ,;oo MCM P&,N2. ... 022. 500 MCM P4,N4

..I..-,

ca1 P6,N6 P10MN10

  1. 2 AWG 250 CM P8,N8
  2. 2 AWG 02.11 SCHEME 01 MANDATORY ROUTIN6 ~P,.IU,TION or '<,CHEMIE 01 FROM ca 80 EC23475 DWN: JJP 4-9-15 CHK: BAL 4-9-15 APPR: DJS 4-9-15 E-110-2 This map/document is to assist employees in the performance of their jobs.

Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. t,-M.,.,O'"'N"'T""I...,C'"'A""D....,,.DW"""G....,...F,,-,.a 125V DC DISTRIBUTION ELECTRICAL SCHEME SCALE: NONE REV 80 MONTICELLO NUCLEAR GENERATING PLANT '(}, Xcel [nergy*m NE-36640-2

MONTICELLO NUCLEAR GENERATING PLANT Xcel

NE-36640-4 il<l3-250V BATTERY 7'/e. AH 8 HRS i--------1: I I I ~ I I :~-- 1?.5 V. TAP .,..__------*1--------+---------, ) ) I ) D'3A ~ D~f:, ~ l~-.Z'5o Y i; 1'2.'::l V Ql- 061'~1!'.iUflON (l,\\.\\~NN~v 1) ('Sl-1-\\~M~ "S\\.\\OWN Ot--\\ DWb. 1-110 1 "51-%. 4A, 41:S, 4-?)

  • 13-250V DC DISTRIBUTION PANEL D31

&tHEMF: CKT BREIIKER DESCRIPTION NO NO AF Ar D'3 a 400 '125 81\\TT!RV GHARGE!R,IO 54 5 /50 as SPARE 03106 6 /"SO as PLAt\\T E.VACUATION ~lREN POWl!Q,, 7 /50 D3 8 ISO 9 400 150 SPAR!a 0~110 10 400 ltl(\\I - '250V, MCC (R<:. IC) 03111 11 ,µ,o Ho 133 - 250'/. MCC ( ~ EACT. Bl.Dia. )'!AST) D.31 Ii!. It 400 0Iv1:::.10N I I20VA<- UP5 Y71 13 400 2.50 SPARE 14-A SPACE '5CHEM£ C.KT 5WlTCH FUSf. RAllN' NO. NO. R/\\Tlt\\G AMPS DESCRIPTION AMPS

2.

30 30 3 30 30 LOC. WIRe: SIZE oi?>4 1-'1'.t/o p~'l 1-* Yo Q<;!i <), - D!S?, 1"11 Yo N:!106 #IO A. oa?i (#1/0 - 0311 asoMCM 0313 2.~0MCM '( 11 2'3'0MO I D33 I s1{:::N&) SCl-!EME £13303 WIRS: MANDATORY ROUTHI<\\ LOC. ~IZE SEPARATION R!QUIP.eMENT 4-30 30 SRV LOW [OV,.l SETCONTROI. DIY.1 cas~A fJO SEE NOTE! I 5 ~ 35 G 30 30 30 15 a 30 15 NOTES

r. Sr!.PARATION SHALL BE 11-CACCQRQANCE WITH DESIGN SPEC, NSP48*03'1, Da 9 PAN!; l,. ARRAN61!ME'NT CKT I

{.;/t.,1' *£. CKT!> Cic;.r 4 Cl<.T ~ C~ :r lo GKT-, c.1c l"H- ~ N, PI @(i; t:.AWG) I 03::, 1-- 1133300 I 5CI-/E/'1E D3305

    • eLoGK OIAG>RAM.i!OB 5C\\;\\SMI:: 03~05_

REVISIONS ~ EC 20129, 20056 DWN: JJP 7-25-12 CHK: BAL 7-27-12 APPR: NJF 7-30-12 This map/document is to assist employees in the performance of their jobs, E 11 Q SH 4 Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. MONTI CAD DWG K

  • 250V DC DISTRIBUTION & PANEL SCHEDULE D31, D33 MONTICELLO NUCLEAR GENERATING PLANT SCALE: NONE I REV 76 1J, Xcel Energy-*

NE-36640-4

~----------------------------------------- r---:::::---,---,-------r----------------------------------------------------Z-----------------~----,--,--,---:---:---:---:---:---:---:-----:---:---,-"'"'""'----------*-------....----::=.:==-**** NE-36640-4-2 N(1t~: =-- I r:;:l 12-5V. ocooTERY ! '125V DC BATTERYl PLAMT EVACUATION ~25V DC DIS[ pt-Jt!#'131-25CN MCC 0311 IOIV I 12.0V~ CHARGER 052 I !<:HARGER Q23 I SIRE":!. N3,oa, ID33(E110,SH. 4) I FEED, SEE TABLE I VRS Y71 1 L ' SEE 1ABLE PNL. D31,-(NE-a6640-4}, PNL. D31 1<owc.. E=iio !:)"'.if ifil-___ ot:ti i o~l d-X E-1'\\0, SH. 4 I -'+) ~)I E-'110, SH.4 1 o<+) __ c-r.!.'*'YI 2P J'N -r 4 p 4N (NE-36640-4) '--:-¥'----,....... {NE-36640-4) ---r- -~ ,-~ 8 8 N A \\ I~ P 'N * .-----*------------- ----- -1*---------- --f---'----f--------- (SEE NOTE4) 03~ I 03A & D3B

  1. 13-125 26OV DC BATTERY 742 H, 8HR. RAT.E I

I 1 t tn>"' PU 400...;.;;;.;.... - so SHUt..lT CKT-. 4- -Joof**f--< 22 5A.."T l ____________ -f==-=-::-=-=-=-=-- 6 CKT".S -{ lSOAtt 35.oq- -v SPARE CKt 8 (l 150Af 100AT cl CKT. 7 1soAF-f-E~J... !t_( 400AF 35AT 150AT -=----v---==> v i SPARE SPARE 250VOC 125/250V.OC DISTRIBUTION CABINET D31 SCHEME NO. 03 (CHANNEL 1) (._ ~~ _!2_ -( \\ 40QAF 225AT ~51SJE--( 400AF 225AT 6 / v

  1. 133-250V MCC Q31:3 FEED SEE PNL 031 DWG. E '11O,SH.4 (NE-36640-4) 1 SPACE I

~£~1-!-( I SPACE 400AF 250AT I "\\ J SIHHE e'50VIX' c" P1(U} 4-'2/0 C3A P~($)(150} Pa(H) {150) P'\\ {R) (150) 500 MCM 031 R£Pt.AOOIENT/UFCRADE

1.

FIEU> TO *B,ETAG, Jt'l!llOtl'l"! AJID UOOllNf.CT UISTJ!l; ~LE a%J,.2:'~'I SCHEME D3 FROM PAN!l. :P3 'l'O P.AtmL Dl4-M SHOW ftOH CN'>m'I 'INCR£ASF.O t>Am:L D3t '00 J.>Ablt'L 01, wtU l1UKll&S 8\\> AlU) ett. nu.D 8A1TERY RACi< lENGTii TO ENSURE THAT UlSTING CABLE ts Pl\\B or DEPECTS AND INCREASED & GftOUNi) SUtTABl.1: 'FOP.. 'USl!.. OllE:CllON PANE\\. RaOCA"IEO. Rf\\115O

2.

CABLES BETWEEN PANEL 1>31 MID IAT'l11ltY CIWlG!l\\S D52* DS~ SHTS. 2 & 4-3 PER AND >>54 ARE NEW CABLES. CABLES ll!'NUN BA.'i"tll'-1.t:S D31.. ORR: M0-87-259 D3B AND PNL D31 MAY ltBQUIU 'REW CABI.ES Ir,I CABE Tile EXISTING CABLES AU DAKAG£D O& DOES 'NOT HAVE DOUGH LE);QTll. TAG AU. CABLES USttfG THIS DRAWING ,I.I.II) e-a,u. DWl'I: OS I 88 CHI<: JN 1-15-88 MOO: 87M014

3. CIRCUITS #1 ARD 13 SHALL R IIKCIWIICAU.'f !lffl!'IV?~

f\\l.MEO: 2 11-88 Wl'l.'ll A VAU:Illr.: ~* (UT nft t.oClt.:n' ~ll'IUl&) SO,._.._._-__ '?MT tF O!if! llllWtD II CLCIUD0 'me OIBIR 18 R.0CPD Xl'I AS-BUILT: THE OPEN POSITION. NON-Cl.ASS 1£ POWER SUPPl.Y

4. PIEi.i> TO UTAG ilA.TT!lt"f D3 AS 1>3A A!!D-Dll AS SHOW.

~J04~ 4

s.

EltISfl!E l'ffl. 1)31 IS BEPLACED WITH A lU!:W 1'1'IL 1>31,znc CRR/1.'RR: M0-69-116 PUl.tCltASED*UNDm H/a 10040-E-120(Q) * 'DW PAN'.i:i. TAIIL!: C!lft,; KB 10-25-69 SHOWN ON TRIS DUWt:~ SHEZT 4. CHi<: JDS 11-8-89 MOO: S'iZ006 03B RLMEO: 1-23-90 ~--P1{L)(150} ---N1 (Q}(1!SO) <A---*-M1( K)(150) 500MCM AS-BU11.T: Rt\\llS£0 TO REFLl'CT ltiE BAnERY UPGRADE PROJECT ...,.___.2P(t>)(101} +.--4PI.F)t101)...,__.,P(H)(101) +--aP{p) "'3/4/o ""1io ,,.1/0 t..o AWG PER ORR: M0-04-0228 OWN: JJP 11-1-04 Q\\I(! W 11-*~*o"\\ MOO: 87M014 FlOIEO:

  • 1'\\<-2N(E)(101}

4N(G)(101) 1N(J}(101) SN (N)(SEE NOTE1) 052 053 D54 D.33 I SCHEME D3 CLASS 1E CABLES "7-( C~H'iiA";;N~ 1 N~E:::-Lj'-'-~I.l)~lb:;:is_mtJP. v'd:"."'ocum--on-:-t NI::-. -:-,o-o-,s..,.is~t ~-~-$ -:-in--:th::-o-p-~~- --uf-:-::thoir~.:---jal,8.-:--. :-,-E ___ 1_1:..** o--S-H-.4-8-1 Your pen,ono/ 8aloly Is pnwlded for by usfn9 safety pract:..w, ~ Qtld ,oq~nt as dft#ribod in wety training progrorrn;, mamx,rs and sPAR!,. ONTI RAS1ER OWG F i MONTICELLO NUCLEAR GENERATING PLANT SIGNIFICANT NUMBER 8700 RX 1 1 125 GROUP I 2 3 4 MONTICELLO NUCLEAR GENERATING PLANT 125/250V DC DISTRIBUTION CAB. D31 SCHEME NO. D3

NE-36640-6 REVISIONS ~EC18483 A Dt5TRl!JUTI0N PANEL 015 r r. P. ~ 48z.a - 6

  • IQ *4)

ENHANCEMENT,tDICATED (120v. A.c. 60HZl !ZOii, AC. 60 H$ 'Ii' 1/.5. Z4 V. DC. NOTES: BY f ,,._,.,_,,.,~,,o C a,.,..,. o* m d ~ I, THE' NEUTR/!IL BARS (c) IN /:JIS ( D25 SHALL OWN: JJP 7-22-11 ill¢ Q L34 -- 9 r - - - - - - -.-~t--===2.°?t----=----,- ~lff)-., T&-31 D14X I U NOT BE GROUNDED !Iv THE PANELS THE CHK: BAL 7-22-11 r r -1t- ---.:rl- - --, 'i;Ff'1TB::Y BKN. ROJlTIN.G WME CIRCUITS ARE GROUNDED AT Tl-IE LOAD APPR: PSN 7-22-11 5Cllll'1£ CKT. !eATING SEPA~ATIDN NO. N(J, OESClf'IFrlON LOCATT(JA/ il~E I 1111,-2,,volr-11!Trrc1tr c.JM,f'i;.c7t:'"7;_£j_ s&£RoreJ2 1

( #114-24 VOLT - '-BATTERY CHARGER D14SEE NOTE 2-QJ)

AMI'S Fl!bH S&IID<< ( C.36 t CIO)£ND ONLY* ,---7 I r 50{1/f'C~,t INrrRM£Pl~TE /rllN6' ~ c2,a1 I o;r -* ro

2. FOR VENDOR SCHEMATIC SEE DW6. NX-2a922-3.

I POS. NEG. ,------------7 I I I POS_ N[G.: r------------7 t I D 1.5 OJ I 2.0A (,JONITD/f'.S i AVJl/1.IA/f'I~-' I I + I 1 I ~t-=r; l_

3. FORANNIJNCIATORSCHEMATICSEE DWG. NE-.36640-7.

L :1 ~.lq_c_,_our~,: ALARMS {sEt NO-;E ;) :c J f'ROU.SS RADIAT/Dfll MOltllTDN.S 02502f !J{f L - _o.c.ourPi ALARMs(see NOTE;)- -, _J D/502

2.

20A ,t AUXILIAR/£.S CltJ 11-*10 A '4. SCHEMES D1501 AND D2501 EACH HAVE THREE CONDUCTORS D1503 CONTAINMENT ATMOSPHERE.~ C259 ce.503/DZS "10 ~ 3 Z.OA MONITORING ISOLATION VALVE IND. ROUTED TO PANEL C-36. WIRES P AND N ARE CONNECTED TO C C N -II: 15 l!>ATTER.Y D.5 4 ZOii .Sl"ARE '\\\\ THE LOAD SIDE OF BREAKERS D1501 AND D2501 AND WIRE C q.----_7 q-- ~, (COMMON WIRE) IS CONNECTED TO THE COMMON (NEUTRAL) BAR. ~~1111'_:

J1l1~~tl
5. SCHEMES D1502 AND D2502 EACH HAVE THREE CONDUCTORS C

? +zit-v ,i -2.i+v os SATTEltY l!iATTiY' ROUTED TO PANEL C-1 0. WIRES P AND N ARE CONNECTED TO PI 100 AM ~.MR:) 100 AH I!, HR) NI THE LOAD SIDE OF BREAKERS D1502 AND D2502 AND WIRE C I,-----1 --~--,-1

  1. /2.5"- Z4 V. DC. DI.STRIBI.ITION PAN£/.. OZ5 (F.P. 1148l8-£-10;..4J (COMMON WIRE) IS CONNECTED TO THE COMMON (NEUTRAL) BAR.

I I I FU*P - I BIO?, JeO(ITl(f;G - W/1'£

6. SCHEME D1503 HAS TWO CONDUCTORS ROUTED TO PANEL C-259.

BOA l"U11 OOA SCHEME CKT. RA7"IN6 IJE5Cle1Pr/OIV 1.ocAr10N $.,CPA.If TIIJN *st,l'E I I 2~ Y DC FUSE. Nil ,W. ltMl".S rl?OM SCHDM WIRE P1 IS CONNECTED TO THE LOAD SIDE OF BREAKER D1503 I I PANEL DISA SOUAC£ I, INT.l!."KNEDIAT£ ~£ D/5'01 f 01 ~ I AND WIRE N1 (COMMON WIRE) IS CONNECTED TO THE COMMON L __ 2 41 f)Z50/ ' ZOA ~ >> II) -+ .J MPANJ'"DRS j AV.tlLIA.IU£S (NEUTRAL) BAR. C p C N PifOC£*.ss /fADIAT/tJN MO!.'IT0/1'5 {)l'iOZ f {)/5" ti/(} 1>250Z 2 ZOA C/0 Dir' r I At/JUI.I AR/£ S

7. SCHEME D2503 HAS TWO CONDUCTORS ROUTED TO PANEL C-260.

D2503 CONTAINMENT ATMOSPHERE~ C220 (J/5{):JfD/5

  • 10 WIRE P1 IS CONNECTED TO THE LOAD SIDE OF BREAKER D2503 3

ZOA MONITORING ISOLATION VALVE IND. r ---- -- - - -- ------, I I A AND WIRE N1 (COMMON WIRE) IS CONNECTED TO THE COMMON 4 ZOA SPARE (NEUTRAL) BAR. I ZOA I

  • ZOA I

I /'T'\\ '-'NOTE I I

8. BREAKERS D 1501, D 1502, D 1503, D 1504, D2501, D2502, D2503, I

I I _r--.. D2504 ARE BOLTED DIRECTLY TO THE POSITIVE AND NEGATIVE BUS I /T'\\ I "!.Z4Y. DC DIS TK/BIJTION BARS (REF NX-9238-3). 1-- I ~ ~ I I SCHEME DIS TYPICAL PANEL. Alf /leAN'&EMENT I / Xl,U CKT""'IO I *ll5-Z4Y. l)C. /)IS Tl?l8U TIO N I

  1. /0 AW<,

Dt.5 I PANEL [)/.5 I I Dl.3 I I L 34, f-- D/5 I I D15 I 1-I~ 1-I (rp "~8.l8-E-/0-4) I P,C 0,,,... Xl,U CKT#el CKT I CKT. 2 .r-P,N., C v-P1, N1 L __ - -------- ______..J C, *BAWG

  1. \\0 AWC,,

H D5 CKT. 3 CKT 4

  1. 1()/IWt;

)

  1. 10 AWG 1

I D14 f--- C.3& I I C-2591 f',ib'., AWG -- SCIIF:'M.I." IZO Y. AC.,P()W,t:,f CHAlrG.l."lf :!: Z4 V. TY/'ICAI.. 8(.0CK ~l116~AM rOK DI.SOI, lYPICAL BLOCK DIAGRAM FOR This map/document is to assist employees in the performance of their jobs. LOCATION.S ~,j DI~~ ~C.,N E-110 SH.6 ND .SV.Pl'I.Y lo'(I. B.AT"TERY C 'JI&,9 AWG. '"""* '". ""' "'"""9 ~ '" ""* ""' sc-c,cs Your personal safety is provided for by using safety pracUces, procedures and PNL. L34 !:Kr.. 10 ,., 11$

  • 6AWG, ~

<f<P,N,C equipment as described in safety training programs, manuals and SPAR's. MONTI CAD DWG '76 DJS PNL. L34 CKT. f3.,,,. 15 D/3 D/4 D~ D/5 DISA

  • B.4WG PNL. L38 en:,.* u:.,

D/5 025 ' f)/5 ' 24V DC DISTRIBUTION PANEL D15, D25 D2.SA l)Z5

  1. 14 D2!$

D.1!4 D4 D25 I I 76 PNL. L38 o:r.,.,.. "' l.l4 Pf,C Ff,HI M/JNDIITOR.'f' RO()T/Nt:, SEPARATION 1 .. J NI C MONTICELLO NUCLEAR GENERATING PLANT SCALE: NONE I REV 76 OF SCHEME: D/5 FROM 025 fl Xcel Energy'" NE-36640-6 ~j,Jfi-HERN STATEC POWER COMP~NY -t

MONTICELLO NUCLEAR GENERATING PLANT Xcel

MONTICELLO NUCLEAR GENERATING PLANT Xcel D C B A 8 NH-36665 0 st

i u "'

C [D I I * \\ 0 st

i u

C [D I I

  • C06~ INTAKE A SYSTEM TROUBLE I

C101 TO VEAC-14B (M-110) NH-36041 (E, 1) EFT I TURB BLDG* BLDG SW21-6"-JF TO SODIUM 1------ HYPOCHLORITE SYSTEM ( M-812) NH-36666 (C,6} 1"-HBD SCH. 40* 1 *1"-GF I 3: I 0:: I 0:: 1 -19 RHRSW-54-2 RHRSW-56 INTERNALS FLOOR REMOVED DRAIN RHRSW-34-4 ESW-27 ESW5-3"-HBD

z 0

SW-10 6 -54 ~(!) -:z o::- g':3 (.HD C03~H L-~='?.l'i-i,ca-a'--lr--J,....t-- PUMP SW57-16"-GF CONTROL FROM SAFETY SYSTEM I 0 ~ 12 -SP26 RHRSW-2-2 12 -SP234 RHRSW-1-2

u.

(0 I 'N I 0 HBDf fr-!-3/-4"-

R;
'.H;;:'.RSW:;,::-3;;;7::-4;;-f __

I.L I I I 3/4" 3/8" I N I r--,.., I en 0::

r:

0:: m

r:

0:: 0:: =----v----=' ( M-811) NH-36665-3 (D,2) (D,5} I 0 <O I I ~ 0:: I

r:
r:

HBD. - ucH, '.!;...I \\ \\ RHR SW PUMP ':.o-P-109D 7 LIB 3500 GPM ~ BKR 152-607 \\, I DUPLEX I ,STRAINER, \\SEE DEi \\ \\ \\ \\ \\ \\ \\ \\ 8 \\ \\ \\ BKR 2315 7 SW21-4"-HF SW21-4" -HF SW10-18"-GF SW21-6"-JF I r SW62-3/4" SW-228 4 GF sw-21-2 -is-w---22,...-11 SEE NOTE 5 SW-238-2 GF JF 4"-JF 4"-JF SW-20-2 SW-236-2 DUPLEX

  • --=~- STRAINER SEE ESW-3-2 4 -29 DETAIL 2

.,,:<] ! RHRSW-45-2 ! RV78-1 "-GF

  • .*. 6if',,

/~ _>+-3 1 1/2" 1/2" ESW- ! RHRSW-55-2 ! ~

r:

( M-811) NH-36665-3 (C,2) u (/l (D

r:

I. - [i I 7D 3 "' I START WHEN STANDBY DIESEL COS GEN G-3B STARTS []sl___ -,.. START FROM [j]ES228, I HOT ENGINE I ALARM ON I STANDBY DIESEL I GEN G-38 7 I 't' I,-----J L1 00 ~ I I 1 1 c292 XFER '--*m mi r---- 7C08~ t--, @101 ! TO CIRCULATING WATER PUMP P-100B

u.

I I *..- 1 ,n N 3 "' 6 5 4 3 2 1 REVISIONS 105 601000000570 ESW-6-1 SW13-4"-HF ESW-61-1 r--sw13-4"-HF TO STANDBY DIESEL ...;......;;;;.;.;.......;..} GENERATORS SW25-4"-HF ( M-112) L-NH-36664 (E,6} DWN: JJP 3-8-21 CH K: 600000850553 APPR: 600000802709 106 601000002994 ESW5-3" -HBD )><J SW30B-3" -H~ ESW-61-2 SEE NOTE 3 DWN: JJP 8-2-21 CH K: 600000905733 1 !ESW-62-2! SW21-10"-JF ---cc::)1------ 1 (M-112) NH-36664 (E,6) 1-T--------.. -"T'"_.. ____

BL;
;D;,:G,;.1,:B,:;:LD:.:G;_ ________ ~-------------:---;_;-;;~;;.;::;:,--,----.;s.;.;w.;.1-_2;.4;.."_-~JF TO SERVICE WATER SYS.
-----r<

I I SW-19 (M-110) APPR: 600000888693 107 601000002805 1"-JF SW-8 4 -54 4 -JBD-GT ESW-11 'o N ESW2-4" -JBD

u.

I * ~ I ~ 3 4 -19 i-----, SW28-4'-Jr C242 r--lA' I VL I ESW-53 4"x3" 1*-130 4 -JBD-GT ESW-12 TO DESILTING LINE (A,5) C ID I ~ HIGH -E=s-w--1-4~ cl, POINT,,.._ __ __, ~ ESW5-4 "-HBD --.....,._ '-=r-',.--e.~ -=~~ ESW-23 4 -HBD-C INTERNALS REMOVED 1 HBO ESW-87 CROSSTIE TO/FROM P-111A ESW-1-2 4 -237 ESW-51 1 -CBA-GB C292 HS XFER S25 SW-1-2 18 -255 BKR 2314 6 SERVICE WATER PUMP P-102C 8000 GPM BKR 52-204 SW-169-1 I-SSW-l-1 DRAIN SW-269

u.

I

  • co I

§: FLOOR PENETRATION (!) C06~-- 8KR 1315 5 C107 * ~ / / ESW-40 C107 ~~ _J

  • 4*
u.

I I ~08 ~S22A I ESW1-4"-HBD 3 -54 SW-23 NH-36041 1"-JF (E,4} DWN: JJP 9-17-21 l 1 -130 4"x3" ESW-96

  • SEE NOTE 4 BLDG ESW-42 TURB f rl =Es=w~-.,..,15,'=I

'"'=Es""w~-.,..,16,-- Elt-----1---- INTAKE I STRUCT ESW-16-1 fil 4 -29 I C (D I I I 1 -CBA-GB ESW-45 4 -29 ESW-5-1 I

  • st I

N ~ I---DS}-f--ff,;;l---1-f;;~ ESW-3-1 4 -29 ESW-2-1 DUPLEX STRAINER SEE Ht-""="'" DETAIL 3 ESW-3-3 4 -29 ~ ~SW-2-2 ESW-7 3"x4" <D...J

l> 0 00 i3 [);

CROSSTIE TO/FROM 3"x4" ESW-83 1 HBD P-11 lB ESW-18 4 -HBD-CK I ~ W1-4"-HBD 4 -HBO-GT ESW-22 1 -CBA-GB ESW-44 SW9-18"-GF RHRSW-24-1 RHRSW-63-1 RHRSW-29-1 I w m ( M-811) ~i - 9 I :r: z N ~H-366i5-1 D,2 D,5 C, (D I I ~ FLO ORAi INTERNALS REMOVED 3155 IE] ~5A co3.,_s.Q~ Dfl/,o-, I I 4 I I I I I I INTERNALS REMOVf.D u. (!) I I I.J... ~ N c~ ii: I I Q:: ~ I. i:2 (I) RHRSW-37-3 ~101 I e RHRSW-52-3 SEE NOTE 2J RHRSW-37-1 3/8"

  • 3/8" I ;,;

I g:: 3/8"\\ * "' 10* BKR 1314 3 SW26-3 -JF SW-19-1 1------ TO FIRE JOCKEY PUMP ( M-812) NH-36666 CHK: 600000920243 APPR: 600000835986 ~ I SSW-1 2 -65 (B, 1} 108 601000001074 c....,, ( M-811) NH-36665-2 (D,4) SW-19-3 DWN: JJP 3-11-22 CH K: 600000459268 APPR: 600000461245 1 09 601000003585 1 SCREEN HOUSE SW-19-2 L. DWN: PRN 5-26-22 1"-JF SW61-3/4" CHK: 600000970424 APPR: 600000970425 11 0 601000003585 SW10-18" -GF TO RESIDUAL HEAT REMOVAL HEAT DWN: ATC 10-28-22 CHK: 600001045261 SW9-18"-GF RHRSW-25-1 1 -19 RHRSW-3-1 L.C. 18 -26 I ~ "' tJ (/l" i2,.., 'w <D ~ N 3/4" } EXCHANGERS (M-112) NH-36664 (E,6}

u.

(!) I * - RHRSW-18-1 ~ 1 -19

        • -@ot,

~~~ RHRSW-19-1 SW-292-1 SW-237-1 <JI-----1@1,7"'j1 3~2 RHRSW-55-1 !gt 1-.... f-3 ~

i u

C, (D I I * -I "' !,£ SW-20-1 RHRSW PUMP NO. P-109A P-109B P-109C P-109D [filJ C ~C I RHRSW-60-3 @ 1 -19 SV RHRSW-20-3 RHRSW-58-3 937C '-""=~c.....:, ! RHRSW-57-3 I

        • --....::/,1

~ 4 I APPR: 600001040651 111 601000000439 DWN: ATC 01-27-23 CHK: 600001082727 APPR: 600001082720 RHRSW-65-X RHRSW-64-X DETAIL l RHRSW MOTOR COOLING SUPPLY STRAINER STRAINER STRAINER STRAINER STRAINER SELECTOR EQUAUZING DIFF PRESS NO. VALVf. VALVf. INSTR BS-1953 RHRSW-64-1 RHRSW-65-1 DPIS-1955-1 BS-1954 BS-1955 RHRSW-64-2 RHRSW-65-2 DPIS-1955-2 BS-1956 BS-1957 RHRSW-64-3 RHRSW-65-3 DPIS-1955-3 BS-1958 BS-1959 RHRSW-64-4 RHRSW-65-4 DPIS-1955-4 BS-1960 ESW-99-1

  • (. "'"""--,

RHRSW-33-1 I I J l L..--- DIESEL FIRE PUMP P-105 M 1500 GPM ( M-812) NH-36666 I I (B,3) I RHRSW-59-3 HS DETAIL 2 4937.;,.A;_,.,,~~ A RHRSW RHRSW-58-1 RHRSW-59-1 NOTES:

1. 3(.4" MARK 130 VENT AT ALL HIGH POINTS IN LINE AND 1 ' MARK 19 DRAIN VALVE AT ALL LOW POINTS.
2. LIMITED FLOW IS ALLOWED WHEN THE SURGE CHECK VALVE IS IN THE CHECKED POSmON.
3. CORROSION MONITOR COUPON IS ABANDONED.
4. ESW-13, ESW-14, ESW-15, AND ESW-16 ARE STAINLESS STEEL PER ECR 601000001074 AND EC 21429.
5. SW-21-1, SW-21-2, SW-22-1, AND SW-22-2 ARE IN-LINE CHECK VALVES PER EC 601000000462.

DETAIL 3 COLOR LEGEND

,HE :L*8,. I :CII/.LITr ::": P i

-ASME CLASS 2/QUAI.JlY GROUP B -ASME CLASS 3/0UAUTY GROUP C -QUALITY GROUP D

  • .AFT' PEL.<.-rn l*i[C-X.I Cc.L SAFETY RELATED El£CTRICAL This map/document is to assist employees in the performance of their jobs.

M-811 Your personal safely is provided for by using safely practices, procedures and equipment as described in safety training programs, manuals and SPAR's. 1-,M.,.,O"'N"T""I -;C'"'A""D""""'DW"'G;a-,'"'A"YTi 2 P&ID SERVICE WATER SYSTEM & MAKE-UP INTAKE STRUCTURE SCALE: NONE REV 111 ~ Energy-NORHRN STA1ES POIIER COIIWfY NH-36665 1 D C B A

MONTICELLO NUCLEAR GENERATING PLANT Xcel

NE-36771-4

  1. 111 -480V MCC fill
  2. 111-480V MCC fill
  3. 141-480V MCC B41 Y60LJ r=-- *--- --7 25 KVA-480-2 +/-2 1/2%/120V H 1 H4 I

0 I ~~ re-RPS ALTERNATE FEED 1 1,, 1 POWER TRANSFORMER.l'.fill I X4 X3 X2 f X1 I ~-~ I ~.--1 l 1 j EPA#157 -E't/* l Y60- '~~--,:2-. '._.X'\\ Y40 r-i-- AA----*-- - - --souoNruTRAL ________ -r-- -------~~-------*------ * ----~---- -- -* * ----, 1,- - - - r . SEE + l BUS C SEE I I 1 -p NOTE f.fl I NOTE--~ JJ_ I 1 1 1 © 1c; 3A l 9 os 1 © loss, I I I_DSZ,_ _0 _ QS3j .t,.~------.,..~-7" / DS4__ I f I )CB1A --+--+- _____ - ~-- /~{B2A I /\\ MECHANIC~) CB2B~- _, ____ -~---- '\\ CB1B ! j 225A ,A2QO A INTERLOCK 200 A -7 225 A I I (SEE NOTE (1)) I BUS A BUS B l '1 1,cB3A )CB4A l)CBSA ')CB6A l)CB6B l)CBSB l)CB4B l)CB3B '1 ,L.,, OOA f30A f 1 SA r,_ 15A f 15A r 15A f 30A r 1 OOA I +*A1 ,YA2 A1

~A2 A1
-A2+ A1

~A2 81

  • 82.81

~82 81 , -82. 81 ,r82 f I '--y---------' '-----y---1 ~ ~ ~ ~ ~ ~ I I (SEE PANEL SCHEDULE THIS SH.) (SEE PANEL SCHEDULE THIS SH.) t I RPS DISTRIBUTION PANEL "A" Y50 RPS DISTRIBUTION PANEL "B" Y40 I L (FOR INTERNAL WIRING SEE F.P.#5828-E-14-11) I -- -------- - - ------ - _____..._____ -------------------------*-----_j I_ RPS M.G. SET "A" RPS ALTERNATE FEED POWER TRANS. RPS M.G. SET B ,------SC_H_E_M_E_B_1_1--07 ________......,i-------S-C-HE_M_E_B_11_3_0 ______________ S __ C_H_E_ME -84107-- -*---* ---- IB1107I r A,B,C

  1. 4 AWG I fil.Q I

,.--G1,G3

  • #210 AWG RPS DISTRIBUTION PANEL "A" Y50 (F.P.#5828-E-14-11 & 12)

SCHEME CKT BKR. ROUTING NO. NO. RATING DESCRIPTION LOCATION SEPARATION AMPS FROM SCHEME Y5003A 3A 100 RPS CHANNEL "A" C15 Y4003B & B4107 Y5004A 4A 30 PWR RANGE NEUTRON C37 Y4004B & MONITOR SYSTEM BUS "A" (TB-7) B4107 Y5005A SA 15 PROCESS RADIATION C10 Y4005B & MONITORS BUS "A" B4107 Y5006A 6A 15 RPS CHANNELS A1 & A2 C-304A & Y40068 & ANALOG TRIP CABINETS C-304C B4107 {A1, A2 #2 AWG I Y50: 'C15 TYPICAL FOR SCHEMES Y5003A THRU Y5005A RPS DISTRIBUTION PANEL "B" Y40 (F.P.#5828-E-14-11 & 12) SCHEME CKT BKR. ROUTING NO. NO. RATING DESCRIPTION LOCATION SEPARATION AMPS FROM SCHEME Y4003B 3B 100 RPS CHANNEL "B" C17 Y5003A & B1107 Y4004B 4B 30 PWR RANGE NEUTRON C37 Y5004A & MONITOR SYSTEM BUS "B" (TB-6) B1107 Y4005B SB 15 PROCESS RADIATION C10 Y5005A & MONITORS BUS "B" B1107 Y4006B 6B 15 RPS CHANNELS B1 & B2 C-304B & Y5006A & ANALOG TRIP CABINETS C-304D B1107 B1, B2 #2 AWG I HQ >- I I I I I I I I I I I I I I I L ________ _ L ____________ _ 6 ~ 838 C B I I I I I I I I 5 C283B -m------ !:~ £AGENT REAGENT GAS GAS PRESSURE REGUlATOR {3) CALIBRATION GAS C259 <fil I§> SYSTEM C 6042-5 4 C283A ~ ------- 1 I I CALIBRATION REAGENT GAS OA-21-3 4"-Ef 4 ANALVZER .f.ANEI....A ANALVZER .eM:IEL.....B PAS-34-3/4"-EF DYN-91-1 3 3 2 1-1 ~""'R"'"EVl~Sl=ON"""S'---_;-7-1 76 EC9820

1.

OEl.fJEO

2.

HEAT TRACING IS SHOWN >S l°e;OuOuOuOul

3.

DMSION I PANEL IS C259. OMSION II PANEL IS C260.

4.

OEl.fJEO. lli>~oi~E2:Em~CArg~iti1foo~1WJ8.R 8-fsH {~~~) o~N~2~r {DIV. II). THE OTHER IS FOR THE PRllll.RY COITTAINMEITT ISOlATION OISPlAY ON PANEL C03.

6.

THE "EF" ANO "HS" DESIGNATIONS ON THE LINE NUMBERS ARE FOR PIPING CLASS INFORMATION ONLY. THE DESIGN OF THE PIPING IS PER SPECIFICATION NSP-51-007. It> TUBING BETWEEN GAS BOTTLES AND ANALY2ERS IS TO BE 1/2" TUBING, 0.65" THICK. lli> EXISTING VALVE. lli> PIPING FOR PENETRATION X-27 SHOWN SEPERATELY FOR ClARITY. REFERENCE DRAWING$*

1.

DEl.fJED

2.

POST-ACCIDEITT S>JJPLE SYSTEM P&ID. ...................................NH-96042-1

3.

COITTROL ROOM PANEL DRA'MNG CAM SYSTEM.... ................... NH-91994

4.

K-IV PIPING AND INSTRUMEITTATION DIAGRAM {DELPHI DRA'MNG)......... D1520

5.

POST-LOCA COMBUSTIBLE GAS COITTROL SYSTEM P&ID...................... NH-94896 & NH-94897 NUCLEAR SAFETY RELATED NUTECH FlLE No. 30.0451.1201 'A/R 01016326 DWN:.lJP 6+07 CHK: BAI. 6-4-07 Al'PR: JSO 9-7-07 n EC11951 'A/R 01121715 DWN:.lJP 3-5-08 CHK: llJR 3-11-08 Al'PR: RIIG 3-12-08 78 EC15934 DWN: Jll 10-29-10 CHK: DOW 12-8-10 Al'PR: AYIL 1-24-11 -~'111:XPA -ISE.CIASS'i/rl)NJftGll:XPB -/SE. aASS 3'/Ql>>IJIY '111:XP C -QIWJIY GROUP D -SlfEl'f R£lATEll - SAII1Y R£lATED ELECTRICAL TMs map/docu~nl is to assist emplcyees in the performance of their jobs. Your personal safety is provkkd for by using solely practices, pr~~ures and equip~nt os ckscribed in saf~ty training programs, manuals and SPAR's. "1.t"'O""N"'TI'°"C"°A"'o'"""'ow"'G,.....-.G,-,1 P&ID CONTAINMENT ATMOSPHERE MONITORING SYSTEM MONTICELLO NUCLEAR GENERATING PLANT fl Xcel Energy-llDUIIStaiS ~<<thtl( 2 SCALE: NONE REV 78 D C B

D<aA I D0ll~ tv~ 2.1 I 'LS /2-50 V, DC. l1/2Tf£R'f P2 0100 D100 0*150 A, 400*5<::> SHUI-JT O*4COA. C.Kf-2. e -*5o ii;"\\' -c 30 " {.Q OCT.~ ( \\o \\SOA~ 30AT '------ -------oioo61------~- IP22 1P1! fo~12.J- -* -6 7 r - - - - 1 i ~ rx:.. "° 1-!Pl ! I 112.5 voe FOR SRVf l-- 5YcTEM_ (SEE ow- - I LO!~*LOl/11 SET I _£*)JO, Sq S)

_j LPANEL C253~ J

~.5_Kf-5-( \\9 150"'-F CKT.8 --( 4COAF IS()ey f 25/250 'v. [)(; DIST CAB. D100 SCI-IEMG O<o ( CHAN N F,L. 2) CKr.JO Cc--( \\ 4aJAf" CKT 12. e-'IOOAF-( T5a3."t 225AT 1Q2E 2.50AT + C244S (A)(310) <.Di (IOI) (~) ~ '(11) P3,N~ SP !PIO ,;Vo

--\\NH) 070 (1,o)(V.) Pl 0100 (F) ~8P22 (101
  • ~b (G.J-

{ 1<)1) BPII D80 (MY (!01) (J\\ (WI) 500 MCM -~ (i:,o)(l>,) (,5-0)( ;::. ) (,SO)( M \\ 7P22

  • vo

'1PII Pl NI ~* (Nl (135) (Pl o :,isi D90 SCHf.ME:. D0 !P2:I 3?0Mc.M IN/~ tTf

IP22,

\\-=:,10, 1P11,::,P ~ ~~~ ~ t sJ, I '-.S D;, 12 I 3/4.*,o lll~tlllllllll[III -~;(-'33$23-3* Q e,ec.;-rre:i. JOB t,..)2 1004-0 NO. REV._INITIAL_OATE ___ r---------------'---+-tJW_<:i_. _t-J_9 __ S._*_'2.._0_I _S_l_-\\_._.3. ___ -1 ~B~t~~:V---g~i~---- ~8\\c.ror.:. !!>u*~P1i-JGi EXPA..i-e.,cr.J NE ':33SG.3 !:'Ev. f SHEET 3

...----r-------------------*-*-----------------------------------------------------------------------------------------, 1'l0'J C.L.ASS ~ PAIJE.L C2.44B ~Otv\\ PrlL. B44f Cl:T."I CLASS 1-E I '2.0 \\/. A.C. @J P~IJEL II, C-Z.44\\'c U XI DI D10 090 1)70 /,SP >-(Gi) 214 BAlTERY CI-IARGER !ROUBLE ALARMS

C2.44B I SCHEME.

IJ* (F) >-XJSP DG ('2.14) oro I D10 I Dr:, (E) 010001/ (?.14) ~2.,~P ( /)/C,0.,5 I W21 D0 (D) OG, (il4) ~3,SP 00 D<o I Q.22,j I QG, SC/...!£ME 0100,z.. - D312.O3

  1. JOC,-l?.S/'2.50 V. DC DISTRIBIJT'IOtv CABIIJE:r D\\00 cKr. ACP.,

SERVICE IJ4 AE,..,,;::; DESCR I PTICIJ l \\~ 125 V. DC, FOR HPCI SYS, D312. '2. i::>U/ 2 /ii-l25V.DC,OPTTC,JSOL. P.S. C2<Hl,

2.

1>10 2 ,, JO 4 '1/2 125 V DC FOR ASDS SYS C2.~2 2

r JD 7 %

125 V. DC E:Aif. CHl>.A.G. D90 2 8 ;3/4 12.S V. DC. IY\\1T. C/.IARG. 01:,0

2.

"'VO ':). 4% 1'2.S V. DC. l:A."'IT, Cfl/>.P.G, 0,0 2 1'1/0 10 A% 125 V. OC e;,,;rr. CHAAG. 070

2.

'ltt/0 I 11 ~ 25()\\/.DC FOR HPC.! SYS. D31'2.

2.
12. %

D11.(ll 120 VAC.. UP5 Y81 Y81 25'0MC,lV\\ N0T£5 I. F0A. 015\\'RIBVT\\OIJ C.ABHJET DIOO_,, CABLE IJ9S A/JD CA8LE CCDE SEE !,LOCK 011>.GRAM OIJ SI-!.:; il-llS OMWIIJG.

2. OPTICAL ISOLA7DR USES CLASS tE I\\JP\\JT.5 MIO PROV.DES ISOLATED CVTP<.JTS FOR A t-!OIJ*CLA$$.,::; C0/v!ROL 9
3.

WltRCOIJIJECTIOt-15 OF ALL ALARM CONTACTS 'TD l::E DOfJE BY Tl;E FIELD AS SHOWlv WITH 1t 14 AWG,

4. ALL Ae,REV/ATH)lvS ARE AS i:ou.ows
  • ACFFA :

AC i'>ONER Fl>.JLVRE t>tARM. ' HV 5D Hl4H VOLTA4* Sk!JTDOWA/ II I 1:

7 6 D C B A 8 6 5 4 3 2 1

-7 REVISIONS mIES

[I> B> §> B> I§> ((> It> ((> lli> REFERENCE QRAWJNGS*

1.

ROCKWELL INTERNATIONAL HYDROGEN RECOMBINER P&ID DWG Nl 16000320.

2.

CGCS SYSTEM DESIGN SPECIFICATION, NSP-63-101, (MPS-2016).

3.

CGCS DIV. I ELEMENTARY DIAGRAM NF-94894-SERIES.

4.

CAM SYSTEM P&ID NH-91197. 5, A,. -ABANDONED IN PLACE. 76 EC9820 'A/R 01016326 OWN: JJP 6+07 CHK: BAL 6+07 APPR: JSO 9-7-07 n EC11951 'A/R 01121715 DWN: JJP 3-5-08 CHK: BJR 3-'11-08 APPR: RI.IG 3-12-08 78 EC13161 DWN: JJP 10-3-08 CHK: BAL 10-3-08 APPR: BL 10-6-08 79 EC15934 DWN: JLL 10-21-10 CHK: DDW 12-8-10 APPR: AWL 1-22-11 -~GIW'A

==~==~ D C B -QI.WJIY CROUP D -s,,,my R£J.A1ED l£KIHC/L A SAFETY RELATED ELECTRICAi. This map/dacu=nt is lo assist employees in the performance of their jobs. Your personal safety is provided for by using safely practices, procedures ond equipment as described in safely training programs, manuals and SPAR's.""M""'O""'NT,..l....,C"'"AD,.....,.D""W"'"G"TS"!H-.t MONTICELLO NUCLEAR GENERATING PLANT REV 79 &..,!!!~n!Py-2

8 7 NH-94897 CA D C B A E ~ CGC1B-4"-CA 6 5 4

r==-~=-==:-~=-=*~-7--- --- --7

~--------------7 (C,8) I I r-------~--------------1 I I I I I I I I 0~6B NO HS C286B 1 __L'Ju I I I I cV-40438 4043B r i r---------,--~I I I n I I CCC-P28 I I I I 4"xJ" RED ~B I ~,,,--~7---,.-------. L ~ 1 I I @e _..~-t C286B "y~ I 0H : C286B I I ______..J 3 2 .tlll£S. [I:>- lHE INLET AND 0Ull£T PIPING SHALi. BE SUITABLY SITUAlID SUCH THAT ANY CONDENSATE WHICH MAY COLLECT WILL NOT INHIBIT RECOMBINER OPERATION. DELETED CAM SAMPLE LINES MUST TN' TOP OF CGCS PROCESS LINES. VM..Vf. TO BE LOCATED NEAR lHE RHR AUXILIARY AIR TN'. DISCHARGE INTO DRAIN LOCAlID UNDER lHE RECOMBINER SKID. ROOT VM..Vf. TO BE LOCAlID NEAR lHE CONNECl10N m PROCESS LINE. INSIRUMENT m BE ADDED LATER. PLUG AT REDUCERS ADOED m CAP OFF INSIRUMENT LINES. DELETED. FOR INSTM..LATION Of FT 40J9B ANO DPT 43858 INSTRUMENT LINES, SEE OWG. NQ-119013-1. REFERENCE PftAWJNGS:

1.

ROCKWEU. INTERNATKJNM.. HYDROGEN RECOMBINER Pc!dD OWG N116000J20.

2.

CGCS SYSTEM DESIGN SPECIFlCATION. NSP-BJ-101. J. CGCS DIV. II El..EMENTNrf DIAGRAM NF-94895-1.

4.

CAM SYSTEM Pc!dD NH-91197. 1 REVISIONS 76 EC9820 'A/R 01016326 OWN: JJP H-07 CHK: 1W. H-07 .6JlPR: JSO 9-7-07 n EC11951 'A/R 01121715 DWN: JJP 3-5-00 CHK: llR 3-1 HI! .6JlPR: RIIG 3-12-()8 78 EC13161 DWN: JJP 10-3-()8 CHK: 1W. 10-3-00 .6JlPR: ll lo-6-()8 D C r--t--' ABANDONED IN PLACE ~l'"": r--r-7 I I I I r------------J I I I I I I CAM SAMPLE I I {.fil[.'[.llr.'.)~- l!i I I ~ I I i ) I I I I L _____ _ 8 ~ I

~ ~

CGC2B-6" -CA~ I r-I I ~C284B ....._ ____ - --- - - ~~- - --- - - --- 4385B - - ~B ~-------------------- 1 I FG L!=~RAIN <fil 7I I I I I I ~B I i I I I I cyc285B I I CCC-P1 B I t;GC68-1 %" - CA 8 L---~----- CGC7B-2"-CA r_J I

1-------,

1"x% " RED -4 C2858~~ I I l "~CGCGB-1%"- SET 0 % "xl " RED 120 PSIG 1/ " DRAIN LINE 3/." DRAIN LINE 3/4 "x1" RED I SAFEIY NON-SAFEIY A

k. RECOMBINER UNIT C2888

__J ~ {BY OTHERS SEE REF. 1) B - ~ A -AIE CUSS 'i/JIUff _., I -AIEaJISSYJIPIJff_.,C NUCLEAR SAFETY RELATED NUTECH FlLE No. J0.2J6J.D21 J -CltWJIYGROUP D -SlfEIY IIUIB) IIDWICM. A SAFEIY RELATED ELECTRICAL This map/documttnf is to assist t!mp/oyet,s in thtJ p,,rformance of thtJir YocrpM9<<IOI equipment as DWG H MONTIC ELLO NUCLEAR GENERATING PLANT tl~::1n,!?Y-1

Xcel MONTICELLO NUCLEAR GENERATING PLANT

Withheld Security-Related Information Withheld Security-Related Information

Xcel MONTICELLO NUCLEAR GENERATING PLANT (1-1/2) (3/4) 1-1/2 (3/4) (3/4) (3/4) SEE DETAIL SA-7 S-8119 (2) 1-1/2 X 2 1. WASTE INLET FROM PLANT S-8117 (2) S-8120 (1/4) S-8116 (1-1/2) S-8118 (3/4) DEWATERING TO BLOWER SKID; NH-119062-2, ZONE D/6 SA FROM CONTROL PIPING STAND; NH-119062-1, ZONE C/6 MD-0009 HMI 3/4 HMI HMI O / C HMI 5000 5000 SHT 1 K-109/MTR 1-1/2 3/4 3/4 3/4 3/4 1-1/2 1-1/2 IS 5005 O / C HMI 5000 O / C HMI 5000 IS 5003 HMI 5000 5002 HMI 5000 3/8 800 HMI 5000 1-1/2 LS IS 5004 IS O / C 5001 IS O / C CCTV 6177 HS 1/4 x 3/4 3/4 x 3/8 3/8 3/8 1-1/2 1-1/2 X 2 AO-5004 AO-5003 AO-5002 AO-5001 AO-5005 FC FC FC FC FC O / C IS 5006 HMI 5000 1/4 x 3/8 7953 LS 7954 5000 5000 HMI 5000 7698 TT 7698 TE SV 5006 AO 5006 AO 5005 SV 5005 AO 5004 SV 5004 AO 5003 SV 5002 AO 5001 SV 5001 SV 5003 AO 5002 2. VENT FOR RESIN FILLING TO SKID HEPA FILTER; NH-119062-2, ZONE D/2 HOT AIR INLET FROM BLOWER SKID FOR RAPID DEWATERING; NH-119062-2, D/2 SA/DM FROM CONTROL PIPING STAND; NH-119062-1, ZONE B/6 FILLHEAD HIC/LINER FILLHEAD CONNECTION SPOOL PIECES FILLHEAD CONNECTION SPOOL PIECE FIELD MOUNTED CONTROL PANEL MOUNTED SYMBOLS LEGEND X TOUCH SCREEN / HMI XX MOUNTED WITHIN CONTROL PANEL INTERLOCK IN HMI INTERLOCK IN FIELD LINE DEFINITIONS SOLENOID VALVE HMI 5000 HMI 5000 HMI 5000 HMI 5000 FHD ENGAGEMENT AIR MOTOR M-141-2 NH-36047-2 (B/8) HMI 5000 HMI 5000

.2O8/.12O FENCE +/-16-5/8% 1AR STA. AUX. 1-800OOO 345 1 GEN. TR. NH-178635 1-18 (SHEET 3) 718000-S NO. 1 FOR DETAILS OF 13.8KV AND 4.16KV BUSES SEE DIAG. NE-93194 AUX. BUS. 15 5O2 NO. 12 40.5/54 MVA X-WDG. Y-WDG. 115KV 9 NO. 1R STA. AUX. 4.16KV STA. 3 3 AUX. BUS. 14 A 3 3 4O2 A 3 3 61O 4O8 AUX. BUS. 12 13.8KV STA. 4O1 3 A 3 3 2O7 A 3 3 A 1-25 N 6 NO. 11 6O1 2O1 A 1 1-18 25OO 3 1 6 3 3 A D A 6O2 5O1 1 25OO A D 3 1 6 3 3 A AT-R 34.5 STA. AUX. NO. 2R 40.5/54 MVA 6 1 X-WDG. Y-WDG. B .12O/.24O .12O/.24O 13.8KV STA. AUX. BUS. 11 1O7 3 A 3 3 3 3 METEORO-LOGICAL TOWER 4.16KV STA. TO 3O8 1O1 AUX. BUS. 13 4.16KV STA. 3O2 A 3 A 3 3 3 13.8 .2O8/.12O 1-1O 1-1O A 3 13.8 TOWERS 12.5 TO O.5M. COOLING 511 A 1 3N4 .12O/.24O 3 6 22 34.5 RC RC 1N3 AT-N 1N4 1-5OO AUXILIARY BUS TO TRAINING CENTER 1-2O 3O1 A 3 1-5OO B B 3 V V 3 6 4.16 13.8 1-75OO 3 6 12.5 A A AS-RC NO. 1O TR. AUX. EQUIP. RC RC RC79 RC79 RC RC79 345KV BUS 1 345KV BUS 2 NO. 6 TR. AUX. EQUIP. DIAG. GE-1162 COOLING TOWERS DETECTION GRD. 2RS 1-5OOOO 34.5 3-25 DETECTION GRD. 6 13.8 6 .12O/.24O 1 345 9 A 1N6 1AR/13.8KV 1ARS 1AR/13.8KV 1OTR. LNS 33D 3 B 12O/24O 13.8 3 AØ AS 13.8 1N7 V 3-15 3 A 1 ARS 1-28OOO 345 9 AS 23O 345 AS RC 6TR-HI-MOD TO 3 B 3-25 6 AØ 13.8 NO. 6 1-336OOO 3 B B 8N9 8N8 8N7 SCC JURISDICTION PLANT JURISDICTION 8N11 795 ACSR 26/7 3 8N10 B 6 6 G 6 A B1 RC AØ 6 6 B1 G B 6 A 1N2 A0 AØ SHERBURNE CO. 8N12 G 6 A 6 6 G B B2 AØ 3 AS-RC A A V RC RC RC79 6 G A 6 6 B2 G B 7N1 AR-RC TT-CU 7N2 AR-RC TT-CU A0 6 6 3 TO 6 6 A 8N5 RC79 AØ 6 6 6 RC79 RC B1 B G A 8N4 B0 ELM CREEK AØ AØ AØ A0 B0 TO 6 RC79 RC 6 RC 6 G A 8N6 B2 G B A0 5N9 B2 5N8 B1 sm 5N7 This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. MONTICELLO NUCLEAR GENERATING PLANT SUBSTATION 1-LINE DIAGRAM 115KV BUS 2 115KV BUS 1 & LAKE PULASKI 13.8 3-1O 115KV 1RTR-DISC AØ,BØ TO QUARRY SUBSTATION BØ AØ BENTON CO. ELK RIVER 16-5/8% 3-15 345 115 13.8 NO. 1O 1-336OOO 9 TO TO .12O/ .24O 1 5 13.8 .24O .12O/ RC TO LIBERTY SUBSTATION 6 B1 5N4 NORTHERN STATES POWER COMPANY Xcel Energy B AR RC CD CP 6 6 A CP TT A0 6 A0 5N6 STATION AUX. TRANSF. "B" 5N5 .24O RC CD AR AR TT 13.8 6 A 6 6 B B2 GROUND DETECTION TR. .12O/ 1-3OO HASSAN A RC CD A0 A0 6 AR B 6 6 AR RC TT TT TO NH-178635 MONTI CAD DWG ` ' SCALE: NONE A0 A0 DICKINSON TO 5N12 A 89 REV REVISIONS 17014 APPR: SCP 3-6-12 CHK: DWN: PEB 3-6-12 JJP 3-6-12 86 EC 11445 APPR: SMA 11.20.14 CHK: DWN: RLJ 11-20-14 BAT/NJM 11-20-14 87 EC 1 1 13.8KV 4.16KV 3 3 3 3 13.8KV 4.16KV 3 3 601000000396 APPR: SJH 5-25-18 CHK: DWN: BAL 5-25-18 JJP 5-22-18 88 6MOD00026181 APPR: 600000478146 CHK: DWN: 600000492571 JJP 2-4-19 89 1 89 89 89}}

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