Text

7 to Updated Safety Analysis Report, Chapter 15-2, Drawings, Part 1 of 2
	ML20003D126
Person / Time
Site:	Monticello
Issue date:	12/09/2019
From:	; Xcel Energy, Northern States Power Co
To:	; Office of Nuclear Reactor Regulation
Shared Package
ML20003D143	List: L-MT-19-058, 7 to Updated Safety Analysis Report; ML20003D117; ML20003D118; ML20003D121; ML20003D124; ML20003D125; ML20003D126; ML20003D128; ML20003D130; ML20003D131; ML20003D132; ML20003D133; ML20003D135; ML20003D138; ML20003D141; ML20003D142; ML20003D144; ML20003D145; ML20003D148; ML20003D151; ML20003D152; ML20003D153; ML20003D155; ML20003D156; ML20003D158; ML20003D161; ML20003D163; ML20003D164; ML20003D165; ML20003D166;
References
	L-MT-19-058
	Download: ML20003D126 (54)
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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

1016 LT 1015 LT 601000000946 APPR: 600000523512 CHK: DWN: 600000533408 JJP 4-29-19 88 601000001331 HCD HB HCD HB 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. FROM ST-1929 (C,5) FROM ST-2345 (B,5) ABANDONED-IN-PLACE. MONTICELLO NUCLEAR GENERATING PLANT RR16-1 1/2 " NOTES: HS 1083A M-131 NH-36049-3 (B,6) A O C C07 D10-3"-HC STEAM PACKING EXHAUSTER STEAM PACKING EXHAUSTER E-4 BLOWERS D51-3/4 "-EF (C,2) INTERLOCK FROM HEATER BLOCK H.P. TURBINE G-1 (MO-1088 & POS-1118) NH-36036 & NH-36037 LOCATE AT CONDENSER HD2-8"-HB (DUMP) 2"-19 A TE 7990-4 LOCATE AT HEATER E-12A L O C C20 CV 1015 CV 1017 V3A-1"-HB 2" HBD. HVD-3-1 HYDRO VENT RV3-6"-HB HVD-29 M-106 NH-36037 (D,2) RV4-6"-HB V3A-2"-HB RV3-6"-HB 2"-V19 V5A-2"-GB RV5-4"-HB V4A-2"-HCD 6 V3A-2"-HB F.W. TO TI-1711 (NOTE 1) TE 1711T HVD-9-1 3/4"-130 HD2-8"-HK RV 1041 HVD-34-1 1"HBD HVD-32-1 T CFW108 HCD HB 1"HBD 8" HD3-10"-HB 4" 6" LOCATE AT CONDENSER HD3-10"-HB 1016 LC PT-1219 OV3A-3"-HCD 1015 TE-21-1 1017 LC HD3-8"-HB (DUMP) E/P 1015 2"-HB C207 RO 4660 E/P 1017 E-13A I.P. HEATER 2"-19 CV 1016 HVD-8-1 X) C200 6" 1"-19 HVD-14-1 C20 E/S 1015 LC HVD-18-1 C20 E/S PX 1206 SEE DETAIL A E/P 1016 1016 LE (D,3) TO LE C203 A H C06 TE 7990-24 5 E8A-20"-HA 1025 HVD-33-1 C20 E/S LS 1"HBD C X) T-6A & T-6B DRAIN NH-36034 B C MOISTURE M-102 NH-36033 (A,4) DRAIN TANKS SEPARATOR D E BKR 4245 FURNISHED BY GE-LSTG LINES AND INSTRUMENTS 2"-19 TE-6-1 1046 MO 1046 HD1-6"-HK TE 7990-5 L O C C20 CV 1019 TE 7990-6 H.P. HEATER E6A-14"-GA RO 1210 L O C C20 TE-3-1 TE-5-1 2"-19 STEAM FROM (B,2) (B,2) HVD-22-1 M-106 NH-36037 (C,6) 2"-ECD-GT HVD-2-1 V5A-2"-GB RV5-4"-HB HVD-23-1 E6A-12"-GA M-106 NH-36037 (D,6) V4A-2"-HB RV4-6"-HB RO 1647 RO 1648 CD5-6"-HK RO 1644 RO 1645 RO 1643 F.W. RO 1646 2"-19 F.W. M-102 NH-36033 (E,3) EXHAUST STEAM H.P. TURBINE NH-36033 M-102 REACTOR PRIMARY (B,5) 6 2"-V19 HD1-6"-GB GB HK RV 1042 TO TI-1711 (NOTE 1) HVD-1-1 1711 TE 1711R HD2-8"-HB TO TI-1711 (NOTE 1) T CFW110 4" T CFW112 RV 1043 3" 1" 1" 1" 1" 1" 4" TE P 1" D300-3/4"-EF D301-3/4"-EF PS10-5"- (SSRM) HS 5" C06 C06H-1 E/S C205 C07 C07E-2 E/S RV 1007 HD1-4"-GB (DUMP) TE-14-1 E7A-10"-HA SEE DETAIL B 1017 TE-12-1 1018 LC 2"-19 YS 2345 SEE DETAIL C D50- -EF 1020 LC PX 1208 D50- -EF LOCATE AT CONDENSER 1019 LC 3/4"-130 / 3 E/P 1019 TE-29-1 E-14A H.I.P. HTR. TE-4-1 PT-1218 CV 1018 V4A-1"-HB X) RO 1031 PX 1207 TO E-15A CV 1020 V5A-1"-GB X) / 21 2 C20 E/S E/P 1018 HVD-7-1 (D,3) LT 1018 TE-16-1 C203 LT 3 4 / D51- -EF TE-18-1 ST 1929 TE-9-1 HVD-6-1 2"-19 E/P 1020 4 LT 1020 LT 1019 C203 TE-26-1 RV 1011 BKR 1224 PS10-3" FEED TE-19-1 MO 1045 BYPASS C07 1045 HS 8" TE-11-1 / 3 4" RR16-1/2" C07 1211 PI C TE 7990-30 TE-15-1 1026 C20 E/S LS ST 2345 A H TE-30-1 CO6 1027 TE 7990-32 C20 E/S TE-10-1 LS H A C X) TE-25-1 X) TE-13-1 3/4 " RV DRAIN RR17-1/2" STEAM SEAL REGULATOR CO7 12" PT 1211 PS 1214 P CFW124 PT 5306 (C,2) C210 P TRB131 C205 5 5" L A TE 7990-18 TE 7990-17 12" X) X) A H C06 RO 1029 RO 1649 SV 1013 L.I.P. DRAIN E-11A L.P. HEATER HD2-8"-HB 26" HVD-26-1 HD8-12"-HB HVD-31-1 HVD-13-1 1"-19 TE 5022 CV 1013 COOLER E-DC-12A HD6-10"-HB (DUMP) 2"-19 HVD-24-1 1711X C20 E/S HVD-16-1 1014 LC TO TI-1711 M-105 NH-36036 (D,6) HVD-25-1 (NOTE 1) 2"-19 F.W. F.W. M-105 NH-36036 (D,6) 2"-HB HVD-12-1 TE 1"-19 V8-2"-HB (VENT) COOLER E-DC-11A TE 1711BB L.P. DRAIN HD7-14"-HB TO TI-1711 (NOTE 1) 1"-19 E/P 1014 12" 2"-HB C203 HVD-10-1 3/4"-130 N.O. SEAL LOOP 16"x14" 4 HVD-11-1 TE 7990-3 TE 5021 T CFW114 HYDRO VENT X) RTD HD-12"-HB TE 7990-31 V1A-6"-HCD TO TI-1711 NH-36036 HD9-16"-HA F.O. 10" L O C C20 L O C C20 HD7-16"-HA T CFW102 HD6-12"-HB X) TE 7990-1 CV 1014 RTD TE 7990-28 DUMP F.W. (D,5) M-105 X) CV 1012 LS 1022 C20 T CFW100 OV3A-3"-HCD TE 1711Z (NOTE 1) LS 1021 X) 11 H 7 5A HVD-28-1 HD1-4"-GB 6" X 3" RED H 1012 TEST HS 16 26" N.E. SV 1012 28 HD19-16"-HA HD18-12"-HB VALVES (CONDENSATE) INTERLOCK FROM HEATER BLOCK (MO-1088 & POS-1118) (C,6) (D,3) NH-36036 & NH-36037 HTR. R-14A VENT HTR. E-15A VENT HTR. E-15A RV 17 XJ 1709 M-105 & M-106 HTR. E-14A RV HTR. E-13A VENT HTR. E-13A RV 3 12" HD3-8"-HB CONDENSER CONNECTION 26" (TYP) 12 13 26" 22 V3A-2"-HB RV4-6"-HB RV3-6"-HB 21 39 FROM STEAM SEAL REGULATOR (D,4) V30-8"-HB 36 V4A-2"-HB RV5-4"-HB V5A-2"-GB 37 29 58 7 TE 7990-25 L.P. HTR. E-11B FROM L.P. DRAIN COOLER E-DC-11B M-104 NH-36035 (A,8) M-104 NH-36035 (A,8) FROM D54-6"-HB SEE P. & I. D. M-104 NH-36035 CONDENSER E-1B 2 X) 2. 1. TO HEATER E-11B TO CONDENSER E-1A NOZZLE 22 L.I.P. HEATER E10-26"-HCD LS 1024 26" RV 1097 1216 1216 C07 BLOCK VALVES (FEEDWATER) INTERLOCK FROM HEATER FROM VALVE STEM & PACKING LEAKOFFS (MO-1133 & MO-1614) RV 1213 HD3-10"-HB C207 E/P 1013 1013 LC N.E. M-131 NH-36049-3 (B,5) REF. NX-8435-196 STEAM SEAL SYSTEM (SPU) UNLOADING (SSH) STEAM SEAL HEADER HVD-20-1 2"-19 HVD-17-1 C07 1033 HS TEST N.O. SV 1033 N.E. RR16-3/4" VALVES (CONDENSATE) M-105 & M-106 T TRB140 (C,6) (D,3) TE 1703 8" 1047 MO BKR1225 SV 1035 SV 1032 V13-2"-HB (VENT) L O C C07 T CFW106 HB HD5-12"-HB HA RTD TE-28-1 TE-27-1 CV 1032 CV 1033 SPILL HD5-12"-HA TE 5019 L O C C07 CV 1036 D SV 1036 SPILL INST. AIR RV 1212 M-131 NH-36049-3 (B,5) C07 1033 HS 1047 TEST HS 3/4" N.E. CO7 M-106 NH-36037 (D,5) N.E. RR18-1/2" 4 RO 1167 V2A-5"-HCD E7A-10"-HA E8A-20"-HA E17-14"-HCD E18-14'-HCD E7A-3/4"-HB E8A-1"-HB 6x5 TE 7990-39 HD4-16"-HA NH-36036 TE 7990-40 X) X) 2"-19 HVD-19-1 C20 E/S N.E. D CV 1035 (E,5) F.W. M-105 HCD HB RO 2581 RO 2582 TURBINE TRIP FROM RV30-10"-HB RV31-10"-HB RV32-10"-HB RV44-10"-HB M-132 NH-36050 (C,6) INST. AIR V21-12"-HB 1" JD RR19-1/2" TO HEATER E-11A (B,3) V30-8"-HB SEALS (B,5) LS 1023 14" 8x6 LT 1013 TE 1711V T CFW104 V1A-8"-HCD V1A-8"-HB 6x5 33 RO 1028 10 10 9 1 6 6 46 40 HCD V2A-8" HB 4"-HB A H C06 A H C06 (NOTE 1) TI-1711 TO H C E9-26"-HCD 13 E18-8" 34 RV2-6"-HB 15 RO 1605 13 E17-8" 14" RO 1604 12 RR16-1 1/2" V21-8"-HB 7TH STG. EXTR. CONNECT WITH PX-1207 AT HEATER E-14A C208 PI PT CONNECT WITH HEATER E-13A 8TH STG. EXTR. C07 CONDENSER E-1A E11-26"-HCD E12-26"-HCD L O C C07 L.P. TURBINE G-1A CV 1199B SPILL XJ 1387 XJ 1384 E-12A LT 1014 H C 10 60 26" 12 E1-20"-HCD XJ 1386 20" 60 TE-1-1 20"-950M4 31 INTERNALS REMOVED 2 1 1 / " D E2-20"-HCD 31 7 10" / 1 TE-2-1 1 2 20" XJ 1383 8 C07 1217 1217 3 M-104 NH-36035 (B,7) C07A-3 C208 C07 CFW116 E/S P PI PT (B,1) C07A-4 C210 CFW117 C07 P E/S 1218 PI PT 1218 (B,5) TE 7990-38 TE 7990-37 L O C C07 XJ 1389 (H.P. - HOT SHELL) REF. F.P. 5828-M4-6 XJ 1388 EXTRACTION POINT (TYP) CV 1199A XJ 1385 10 20" D 26" 12 SPILL X) RO 2583 RO 2584 WATER SEAL X) 32 SV 1199 26" 12 13 E19-8" N.E. 14" 13 E20-8" 14" 32 P TRB133 C07 C07E-3 E/S C07B-1 C07 C210 CFW119 C07 C07A-5 E/S P 1219 PI PT 1219 OG4-16"- C07 1220 PI PX-1206 AT CFW118 E/S C07 P C205 PT 1220 C07 1048 HS BKR 3122 C07 3122 HS MO 1048 D10-3"-HC (BY BECHTEL) D10-3"-HC D10-3"-HC D10-1"-HC B LS 1616 D300-3/4"-EF D301-3/4"-EF TE-17-1 OG1A-12"-HC FROM E. HALF OF COND. OG1A-12"-HC FROM W. HALF OF COND. 1/2 "-JD E19-14"-HCD E20-14"-HCD 1 1 2 / E2- -HB RO 1606 RO 1607 1/2" 8 8 E1- -HB 11 2 / TE-20-1 D50-1"-EF 1"-JD OG-19 F.W. M-105 NH-36036 (B,4) 1"- 3" GE GE GE BKR 3135 K-3A 11 SV 1083A D51-3/4"-EF AO 1083A D52-1"-EF D51-1"-EF TE-20-2 D53-1"-EF TE-17-2 (E,6) (E,6) A O C C07 D50-3/4"-EF D53-3/4"-EF D52-3/4"-EF D50-3"-EF GOLE-107-6" F.O. FS 1708 OG5-8" BKR 2122 OG5-8" C07 2122 HS MO 1049 GE 2 12 K-3B B A H C07 A H C07 C N.D. SLOPE C07 1049 HS BKR 2135 NH-36034 TURBINE & EXTRACTION STEAM P&ID SHEET 1 OF 2 NONE DETAIL C 1019 FW-231-2 NORTHERN STATES POWER COMPANY Xcel Energy sm FW-234-1 FW-234-4 FW-234-2 1020 LT E-15A FW-234-3 SCALE: 1 FW-231-3 M-103 FW-232-1 ASME CLASS 1/QUALITY GROUP A ASME CLASS 3/QUALITY GROUP C QUALITY GROUP D SAFETY RELATED MECHANICAL ASME CLASS 2/QUALITY GROUP B SAFETY RELATED ELECTRICAL SPECIAL CONCERNS ITEM FW-231-4 FW-232-2 MONTI CAD DWG ` ' COLOR LEGEND FW-231-1 LT REV 89 Q FW-232-3 1027 LS A 81 DETAIL A DETAIL B FW-221-2 1017 1015 CHK: CHK: CHK: APPR: APPR: DWN: 83 82 DWN: DWN: APPR: APPR: CHK: DWN: 84 OFF-GAS LINE INTERLOCK FROM HEATER BLOCK C07 1083 HS LOCAL HS 1083B NH-36036 & NH-36037 (MO-1088 & POS-1118) TO AIR EJECTOR E2-A M-132 NH-36050 (C,6) M-104 NH-36035 (D,4) FROM ST-2346 FROM ST-1930 M-104 NH-36035 (B,4) SV 1083B TURBINE TRIP C07 1033 HS RV-1212, & RV-1213 ABOVE SEAT DRAIN RV-1007, RV-1011, A/S AO 1083B F.O. N.D. FROM (E,3) TEST FROM OG5-10"-HC OG1A-16"-HC LOCAL D110-1 1/2 "-HC CRW SLOPE 8"MIN. FW-224-1 VALVES (CONDENSATE) M-105 & M-106 (C,6) (D,3) FW-217-1 FW-217-2 1016 LE FW-217-6 FW-224-2 FW-224-4 1018 LT FW-217-3 E-14A FW-217-4 FW-217-5 FW-224-3 NH-36035-2 M-131 NH-36049-3 (A,6) A/S (B,8) M-104-1 E-13A FW-215-3 FW-215-4 FW-215-5 FW-221-3 NH-36035-2 FROM M-104-1 (C,5) M-142 NH-36159 (B,6) 1 FW-222-1 FW-216-1 FW-216-2 JPC 2-29-12 BAL 2-14-12 15625,20817,21374, JRS 6-11-13 PEB 6-11-13 JJP 6-10-13 FW-222-2 FW-221-4 FW-215-1 FW-215-2 FW-221-1 LE LT AWL 3-9-12 BAL 3-8-12 JJP 3-7-12 18309 21628 EC EC FW-216-3 FW-216-4 FW-216-5 FW-222-3 1025 LS 1026 LS REVISIONS JJP 2-13-12 DDW 5-14-11 17323 JJP 5-13-11 JAZ 5-14-11 19253 EC EC B C D E 22279 APPR: AWL 6-20-13 CHK: DWN: JRS 6-20-13 JJP 6-20-13 85 EC 25523 APPR: RES 4-27-15 CHK: DWN: BAL 4-27-15 JJP 4-24-15 86 EC (NOTE 1) 27954 APPR: BAL 4-4-17 CHK: DWN: AJR 4-4-17 JJP 4-3-17 87 EC SSR-1 89 89 601000000141 APPR: 600000537621 CHK: DWN: 600000537011 JJP 5-2-19 89

TEST TE-22-1 TE-22-2 C07 7 1223 D L O C C07 CV 1226A PT 1223 SPILL 7 REF FP 5828-M4-4 (L.P. COLD SHELL) CONDENSER E-1B V21-8"-HB E13-26"-HCD E14-26"-HCD M-105 & M-106 A 4"-V29 M-104-1 FW-76 M-104-1 D36-4"-HB FROM RECOMBINER AIR EJECTOR E-2A DRAIN AIR EJECTOR E-2B DRAIN 8 TO CONDENSER E-1A NH-54817-4 (D,1) FROM RECOMBINER NH-54817-4 NH-36034 M-103 (A,2) (A,7) (TYP) NUMBER CONNECTION CONDENSER NH-36036 & NH-36037 (C,3) (B,3) (C,5) (A,5) GOLE-107-6"-HN2C CN-125-4"-EN1C NH-36035-2 NH-36035-2 HD19-16"-HA HD18-12"-HB 4" HC 3 V5B-2"-GB D17-2"-HB 15 D16-2"-HB 15 RV15-4"-HB 27 18 V4B-2"-HB NH-36035 B C D WATER SEAL RO 2588 RO 2587 TE 7991-16 TE 7991-15 HS C07 8 TO AO-1084B TO AO-1084A 1072 INTERLOCK FROM HEATER (MO-1089 & POS-1119) CONDENSER E-1A (C,3) (B,3) NH-36036 & NH-36037 (D,6) TO CV-1051 (A,6) TURBINE TRIP NH-36034 SEE P & ID M-103 M-105 & 106 (CONDENSATE) BLOCK VALVES (A,8) M-104-1 NH-36035-2 TURBINE TRIP NH-36050 M-132 FROM TEST "-JD 1"-JD OG1B-12"-HC OG1B-12"-HC E22-14"-HCD FROM WEST HALF POINT (TYP) EXTRACTION 13 FROM EAST HALF RO 1609 SV 1226 (M0-1089 & POS-1119) (CONDENSATE) INTERLOCK FROM HEATER BLOCK VALVES NH-36034 M-103 SEAL REGULATOR FROM STEAM E4-1"-HB E3-1"-HB 21 (E,3) 8" OF CONDENSER OF CONDENSER 14" 21 X) X) 5 5 RO 1608 E21-14"-HCD 14" 13 8" 26" PT 1222 XJ 1439 L O C C07 NE C208 26" 1222 PI 51 C07 12 XJ 1440 SPILL E/S C07B-2 P CFW120 C07 12 C208 20" 7 C06 1051 HS CONTROL ROOM N.E. X) TE 7990-33 HVD-13-2 HD17-16"-HA OV3B-3"-HCD PANEL C20 SYSTEM FROM & VENT LINES CONDENSATE RECOMBINER 26 13 28 RV14-6"-HB V3B-2"-HB 14 RV13-6"-HB TEST 11 12 38 HD13-8"-HB 38 9 6" X 3" RED TE 1711AA FROM TURBINE TRIP (C,8) T CFW101 19 10 16 HD12-8"-HB HVD-28-2 HD11-4"-GB 6 (DUMP) HD18-12"-HB HD19-16"-HA "-JD SV 1051 COOLER E-DC-11B 16"x14" TE 7990-2 10" L O C C20 1"-19 F.O. CV 1051 TE 1711CC TO TI-1711 CONTROL ROOM PANEL C20 HVD-21 HVD-26-2 T CFW115 HD17-14"-HB X) 5 HVD-11-2 M-105 NH-36036 (D,3) T CFW103 HVD-31-2 L.P. DRAIN RTD RTD 1"-19 LOOP SEAL HVD-24-2 HVD-16-2 1"-19 HVD-12-2 F.W. 2"-19 LC 1053 2"-19 HVD-19-2 CONTROL ROOM E8B-1"-HB TO RV-1244 (C,6) NH-36035-2 M-104-1 FROM M-132 NH-36050 (D,6) 8TH STAGE EXTRACTION CONN. W/ PX-1240 AT HTR E-13B (B,3) 7TH STAGE EXTRACTION CONN. W/ PX-1239 AT HTR E-14B (C,3) TURBINE TRIP E7B-"-HB E8B-20"-HA E7B-10"-HA P CFW123 L.P. TURBINE G-1B C07B-5 RO 1610 RV 1099 TO TI-1711 LS 1060 A H C06 E8B-20"-HA P CFW122 20" E7B-10"-HA E4-20"-HCD 26" L.P. HEATER HEATER L.I.P. E-12B E-11B D A H C06 26" C A H C06 C E3-20"-HCD C207 C07B-3 P CFW121 XJ 1436 XJ 1437 CV 1226B 20" PI 51 10 E/S C07 8 25 25 REMOVED INTERNALS 1224 PT 1224 PI C07 7 10" LS 1061 LT 1053 26" LS 1063 H E15-26"-HCD 26" H E16-26"-HCD PT 1225 1225 XJ 1442 C07 PI XJ 1441 XJ 1438 TE-2-2 TE-1-2 C07B-4 C208 E/S C07 10 26" 12 26" E/S C07 12 TE 7991-20 TE 7991-19 TE 7991-17 RO 1650 V1B-8"-HB TE 7991-18 T CFW105 RO 1229 23 LT 1052 H 4"-HB LS 1062 H 24 E24-14"-HCD RV12-6"-HB 13 V2B-8"-HB RO 1611 E23-14"-HCD 14" 14" 8" 13 8" 29 8 22 1 17 29 35 36 HB 6 TO TI-1711 PANEL C20 5" 6" 5" RO 1230 HB 6" HCD RO 1839 TE 1711W E/S C20 RO 2585 RO 2586 X) X) HCD X) X) RV34-6"-HB RV33-6"-HB OG29-1"-HC SV 1075 (MO-1134 & MO-1615) M-106 NH-36037 (B,5) (FEEDWATER) BLOCK VALVES INTERLOCK FROM HEATER M-131 NH-36049-3 (A,5) COOLER E-DC-12B TO TI-1711 CONTROL ROOM TE 1711Y HD16-12"-HB 3/4"-130 HVD-10-2 PANEL C20 V9-2"-HB VENT TE 7991-1 HD15-12"-HA TE-28-2 SAMPLE DRAW NH-36035-2 TO RV-1245 TE 7991-14 SV 1052 N.E. HD14-16"-HA C20 HD13-10"-HB E/S C207 L O C C07 CV 1075 M-105 NH-36036 (D,4) M-105 NH-36036 (D,4) F.W. F.W. M-142 NH-36159 (B,6) CV 1074 D OFF-GAS M-104-1 (B,6) E/P 1053 V14-2"-HB (VENT) CV 1053 CV 1052 X) L O C C20 E/P 1052 LC 1052 C209 HA SV 1074 1"-JD 5 N.E. TE-27-2 12" L O C C07 HYDRO VENT HD15-12"-HB L.I.P. DRAIN 2"-19 HVD-20-2 HVD-17-2 HD16-10"-HB X) HB (DUMP) RTD C07 TEST D INST. AIR HS 1072 SV 1071 CV 1072 N.E. M-105 NH-36036 (D,3) HVD-25-2 T CFW107 2"-19 TE 5020 F.W. N.O. CV 1071 SV 1072 N.E. TURBINE & EXTRACTION STEAM P & ID SHEET 2 OF 2 sm 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. H.P. TURBINE M-102 NH-36033 (E,3) EXHAUST STEAM TO TI-1711 1"HBD A H C06 C209 6" C207 TE 7991-12 HVD-18-2 1"-19 HVD-14-2 4 HVD-8-2 HD13-10"-HB 2"-19 SEE DETAIL A 1054 LC 2"-HBD C20 E/S LE 1055 1"HBD HD13-8"-HB (DUMP) LE 1054 3 E/P 1055 1064 E/P 1054 LS H X) HYDRO VENT HVD-34-2 1"HBD HEATER E-13B RO 4661 CV 1054 L O C C20 CV 1055 I.P. HVD-030 TE 7991-2 1" X) 8" 3/4"-130 HVD-9-2 10" TE 1711U CONTROL ROOM F.W. M-106 NH-36036 (B,2) 4" 2 Xcel NORTHERN STATES POWER COMPANY PANEL C20 T CFW109 Energy E-14B HEATER E/P 1057 TE 7991-13 PT-1225 HD11-4"-GB (DUMP) 1058 C06 H-2 3 M-103 NH-36034 (C,2) 4 M-103 TE-13-2 TE-25-2 (C,2) NH-36034 TE-21-2 OV3B-3"-HCD TE-4-2 3/4"-130 E7B-10"-HA TE-16-2 TE-14-2 (C,3) (B,3) NH-36036 & NH-36037 BLOCK VALVES (CONDENSATE) M-105 & M-106 INTERLOCK FROM HEATER (M0-1089 & POS-1119) 1" 1072 HS C07 1" 4 D53- -EF / 3 4 2"-19 HVD-7-2 ST 2346 D52- -EF / 3 TE-26-2 PT 5307 P CFW125 ST 1930 TO PT-1224 (D,6) SEE DETAIL B C20 E/S HD12-8"-HB (DUMP) TE-15-2 TE-12-2 C20 E/S D53-1"-HB 1056 LC D53- -EF C20 E/S YS 2346 1057 HVD-33-2 LT HVD-6-2 2"-19 3 4 / TE-10-2 A H C06 C C208 1059 C20 E/S A H C06 1056 LT 1057 LC 1058 LC 1065 LS C H C TE-9-2 TE-18-2 SEE DETAIL C PX 1238 TE-11-2 1059 LT LC LT 3 C06 E/S RO 1657 TO TI-1711 TE 1711S RV 1080 TO TI-1711 CONTROL HVD-15-2 RO 1233 RO 1655 HD12-8"-HK CV 1056 1" TE 7991-3 CV 1059 L O C C20 CV 1058 E-15B HEATER H.P. E/P 1059 CV 1057 PX 1239 E/P 1058 TE 7991-11 E/P 1056 H.I.P. C209 PX 1240 X) 6" RO 1232 TE-29-2 TO (D,6) L O C C20 1" C207 C208 RO 1654 X) 2" TE-3-2 TE-6-2 2"-19 TE-19-2 1066 D52- -EF 4 / " LS 14" C209 H TE-30-2 TE-5-2 2"-19 RO 1656 TE 7991-4 HD12-8"-HB 1" X) 6" PANEL C20 ROOM CONTROL HB HCD 1" X) 4" HD11-6"-GB HD11-6"-HK RO 1659 E6B-14"-GA 1" RO 1658 1" V5B-2"-GB E6B-12"-GA RV15-4"-HB RV13-6"-HB RV14-6"-HB M-106 NH-36036 (B,6) 2"-19 HVD-22-2 V3B-2"-HB M-106 NH-36036 (B,6) MOISTURE SEPARATOR DRAIN TANKS M-102 NH-36033 (B,3) T-6C & T-6D PANEL C20 HVD-2-2 CD6-6"-HK T CFW113 HVD-3-2 2"-V19 HVD-32-2 T CFW111 4" TE 1711Q RV 1081 GB HK F.W. 2"-ECD-GT 2"-V19 HVD-1-2 RV 1082 ROOM 1" 1" 3" 2 V4B-2"-HCD 2"-19 HVD-23-2 F.W. ASME CLASS 1/QUALITY GROUP A ASME CLASS 3/QUALITY GROUP C QUALITY GROUP D SAFETY RELATED MECHANICAL ASME CLASS 2/QUALITY GROUP B COLOR LEGEND SAFETY RELATED ELECTRICAL SPECIAL CONCERNS ITEM MONTI CAD DWG ` ' NH-36035 FW-239-1 FW-239-2 FW-236-1 FW-236-4 FW-236-2 SCALE: E-15B FW-236-3 1059 LT NONE DETAIL C FW-239-3 1 1058 LT M-104 FW-237-1 1066 LS FW-239-4 FW-237-2 REV 89 Y FW-237-3 A REVISIONS 15625,20817,21374 FW-229-2 FW-229-1 X) TYPICAL SCHEME NEAR HYDROGEN SEAL ENCLOSURE IS LOCATED OF CONDENSER ROOM SWITCH & TEMP-INDICATOR ENCLOSURE WITH SELECTOR 7990 TI 7991 TI LOCATED NORTH-EAST CORNER JRS 6-11-13 PEB 6-10-13 FW-218-2 FW-218-1 JJP 6-10-13 FW-226-2 FW-226-4 FW-226-1 TE 7990-1 TE 7991-1 FW-220-6 FW-220-2 FW-220-1 E-14B FW-220-5 FW-220-3 FW-220-4 E-13B FW-226-3 LE 1055 LT 1057 DETAIL B OIL SYSTEM 7991 TS 7990 TS DETAIL A FW-218-5 FW-218-3 FW-218-4 FW-229-3 (ETC) (ETC) 3 2 3 2 1054 1056 LE LT 84 APPR: CHK: DWN: EC 1 FW-227-1 FW-219-2 FW-219-1 LS 1064 FW-227-2 FW-229-4 1065 LS FW-219-5 FW-219-4 FW-227-3 FW-219-3 B C D 22279 APPR: AWL 6-20-13 CHK: DWN: JRS 6-20-13 JJP 6-20-13 85 EC ABANDONED-IN-PLACE. 1. NOTE: TE 5023 TE 5024 NOTE 1 NOTE 1 NOTE 1 NOTE 1 NOTE 1 NOTE 1 NOTE 1 25778 APPR: SJH 3-2-17 CHK: DWN: BAL 3-2-17 JJP 3-1-17 86 EC 8" 601000001301 APPR: 600000505982 CHK: DWN: 600000523925 JJP 4-9-19 87 FW-76-1 601000000946 APPR: 600000523512 CHK: DWN: 600000533408 JJP 4-29-19 88 601000001331 HB HCD HB HCD 601000000141 APPR: 600000537621 CHK: DWN: 600000537011 JJP 5-2-19 89 89 89 1055 LC C20 E/S LT 1054 LT 1055

D C B A TO CONDENSER E-18 CONN 5 <iEiQD NH-36035 (0,8) PS9-2"-EO N.0. F.0. FROM EAST H>lF OF CONDENSER FROM WEST H>lF OF CONDENSER 8 ~ ~ I I I b 'j' gJ Q OG1B-12"-HC 7 RRJ0-3 4"-HB OG1B-16"-HC 7 6 0108-1"-HS TO CONDENSER E-1B CONN 29 (M-10O >-- --- -' NH-36035 (0,6) REC0MBJNER STEAi,/ >=~~~="i TR>I' RETURN <NH-54817-0 MS-34-21 I (C, l) ~ TO CONDENSER E-1B CONN 29 <EID>-------' NH-36035 (0,5) 6 5 4 3 2 TO RECO!JBJNER r:===-===,-- =:--::-::;;---- --,------<:J-- ---r--- ---;:003-

--

,10:=._-:E:::0---*---

~;:g;7~~ (B,1) 1-=-..--:..::RE.Vl= 1 =S=IO.:.:.NS"------.;-l 076 EC7318 1/R 01012217 OWN:.llP 3-29-06 CHK: 1W. 3-30-06 APPR: JSO 3-30-06 Tll 1248 u 3/4" 1/2" INTER-CONDENSER F.W. C <EID (M~~05)._..._:::t--111-+- ----- ----- ------ -,--111-NH-36036 (,1,5) NH-36036 (,1,5) RR30-3 4"-HB AIR FROIJ u

,c

~ J gl-.!:R!:aR2~8:;-.!.1-'1=="---ll-l...+&..\\-..l:::~---..!...=="-------- ----------<c:1-~ CONDENSER E-1 A (M-103>">----'"-----'=.:..:;:....:::....---------0,---------------- NH-36034 (0,1) SEJMCE ~OG3-1"-EO _ AIR PURGE OG-37-2 OG-189 1 -130 f;l I ~ 0 DIV I HIGH WJN STEAM RAIDIATION ~ 'T DIV I I GROUP II /- -1 AUTO INIT. I TRIP PUMP I CLOSE VALVES t I C-80 N~~;S~~!l-1 { /- - - -f (,1,5)(8,6) I I 007-6"-EO SEAL WATER COOLER E-3 L ~ '104 ,----~-------. --- n EC11951 1/R 01121715 DWN:.llP 3+08 CHK: BJR 3-11-08 APPR: RUG 3-12-08 78 EC15325 DWN:.llP 3-15-10 CHK: PEB 3-15-10 APPR: JPC 3-17-10 79 EC16937 DWN:.llP 10-20-10 CHK: 1W. 10-21-10 APPR: BJR 10-21-10 80 EC17001 DWN:.llP 3-7-11 CHK: 1W. 3-7-11 APPR: 1/EO 3-8-11 81 EC14372 DWN:.llP 3-9-11 CHK: 1W. 3-10-11 APPR: Bl 3-10-11 82 EC16861 DWN:.llP HB-11 CHK: 1W. HB-11 APPR: DZ 4-25-11 TO OFF-GAS LINE <iBID NH-36159 (B,6) D C B .ALB EJECTOR .E=.2.E! /ill 1 f~25;,E, RR47-1 4"-HC z RECIRC. SEAL 1 ___ _j _ _ PUMP P-70 (M~~~1)>/n'~;}--,-....,S,L F.W. (M-105) NH-36036 (,1,3) 5 F.W. '-'INTER-CONDENSER"' <iEID NH-36036 (,1,3) TO CONDENSER E-18 CONN. 15 rn-100>----'---l'><'.'1.__. HC JB NH-36035 (,1,8) RR29-1 1 1 1 2"-JB REFERENCE DRAWINGS:

1.

NUCLEAR BOILER SYSTEM STEAM SUPPLY...............NH-36241 <iETID

2. IEO PROCESS RAIDIATION MONITORING SYSTEM..........NX-7993-1-1, 2 & 4

3.

IEO PRII.IARY CONTAINMENT ISOLATION.......................NX-7823-4-17, 4 & 5 4 3 NH-36049-11 (C,2) CONDENSATE SERVICE WATER (M-114-1) NH-85509 (B,1) - ~<Bl.l'A ISi. (USS 2ft.UUrf <Bl.I' B ISi. (USS 3'/WIIrl <Bl.I' C Qllll.flY GROUP D SNID R£LIJD) IEIWICAL A SAFETY RE!ATED ELECTRlCAL This mop/dccu~nt is to assist emplcyets in the puformonce of their jobs. ~:i::p::n~~s s::~n"te!'~:1::,:io; t!o/:Jni p~a:;z,::,oc::c,e;~:,;~e;;r;~:;.:. h-,=,,....,c"'A"'D""'D"'W"'G,,.;.,.-,C,,l P&ID STEAM JET AIR EJECTORS MONTICEULO NUCLEAR GENERATING PLANT SCALE: NONE REV 82 fl.,!~~n:,py-2 NH-36~35- ~

SLOPE C211 1287 SX C213 1"-19 CRW C211 16"-234 FW-5-1 FW-6-1 FW-120-1 3/4"-19 3/4"-223 FW-27-3 1"-V19 1/2"-130 FW-27-1 FW-4-1 NOTE 1 CONDENSATE PUMPS (HALF CAPACITY) CFW137 T 5001 TE 1268-K CE SEE DET. A 30"-SP415 P-1A 11 1067 XJ C06 HS SLOPE FW-2-1 (B,6) 1268-J CE CFW136 T 5000 TE RTD SEAL WATER SEE DET. B 30"-SP415 FW-2-2 RTD (A,6) P-1B 12 1068 XJ C06 HS 1"-V19 1"-19 FW-6-2 FW-5-2 16"-234 FW-120-2 3/4"-223 FW-27-4 2580 PI CRW FW-27-2 1/2"-130 FW-4-2 1286 PI C211 CRW 3/4"-19 1025A PI 1285 PI 1024A PI FW-319A FW-318A FW-318B FW-319B PI 1025B PI 1024B FW-320A FW-320B 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 (D,5) P&ID CONDENSATE & FEEDWATER DEMIN MAKE-UP CFW133 F 6" RECIRC. NH-36037 NH-36039 M-108 CFW134 F F.W. & COND. NH-36039 M-108 STORAGE TANK C6-8"-HJ REJECT TO AND FROM CONDENSATE CST'S (A,4) (A,3) M-110 (C,8) MET100 P PRESSURE BAROMETRIC 5310 PT EMERGENCY SERV. WATER NH-36041 BACKUP CRD-170 1"-19 3"-26 TO TI-1711 DEMINERALIZER CONDENSATE CFW139 T C2A-16"-GB CRW MOUNTED LOCALLY NEAR RACK C-208 5-11A PS C06A-2 FW-123 CONDENSATE DEMINERALIZER NH-36038-2 4"-234 1088 HS A NH-36037-2 B M-107 SYSTEM (E,4) CLEANUP SYSTEM REACTOR NH-36047-1 M-141 M-106-1 (C,6) (D,8) SEAL RFP SYSTEM (C,4) P-1B FW-1-1 FW-1-3 FW-171-2 FW-1-2 FW-1-4 2"-V19 6 C13-4"-GB 4"-26 FW-122 (C,4) TO P-1A NH-100320 M-2500 (A,3) FW-3-4 FW-171-1 NH-100320 M-2500 (A,3) FW-3-3 DETAIL B FW-172-2 FW-2-2 REW7-4"-HC FW-3-1 FW-2-1 DETAIL A FW-172-1 1"-V19 FW-3-2 1"-V19 12 TO 11 2"-V19 EJECTOR E-2A TURBINE " VENT 1"-19 FW-14-1 AIR 11 16"-26 1711A TE 16"-26 NH-36250(B,5) C4A-16"-GB M-118 NH-36244 (B,6) REACTOR BLDG. 5 1291 TX FW-168-1 CFW127 P C2A-16"-GB FW-170-1 FW-184-1 FW-11-1 C211 3/4"-19 FW-8-1 1"-130 1289 PT 1"-130 FW-10-1 FW-7-1 FW-15-1 FW-169-1 CRD-171 1"-19 CRD-3"-GB HPCI-100 BLDG. FW-9-1 3/4"-130 COND INTER ORW ORW FW-17-1 3/4"-130 3/4"-130 FW-16-1 FW-173-1 1088 MO NH-36036 FW-177-1 (C,1) C D (C,1)(B,3)(D,5) NH-36034 INTERLOCK TO SPILL VALVES CV-1199A, B M-103 CV-1012 CV-1033 FW-174-1 FW-176-1 E (B,4)(D,4) NH-36037 TO I.P. HTR CONDENSATE NH-36037 FEED PUMPS REACTOR M-106 E-13A M-106 FW-152-1 FW-150-1 P-2A RECIRC (CONDENSER NOZZLE) FW3 P-2B RECIRC (CONDENSER NOZZLE) FW4 ORW VENT 5009 TE 1303 TX CFW163 T RTD L.P. DRN CLR E-DC-11A E-DC-12A L.I.P. DRN CLR (A,4) NH-36034 COND (B,5) NH-36034 M-103 FW-50-1 COND M-103 1"-19 RTD M0-16"-26 5017 TE FW-178-1 CFW165 T C4A-16"-GB 6 FW-151-1 C4A-16"-GB FW-149-1 REACTOR M-106-1 NH-36037-2 SEAL SYSTEM FEEDPUMP (A,8) (B,8) 3/4"-130 FW-49-1 C4A-16"-GB C4A-16"-GB FW-175-1 SDT2-4"-DC SDT1-3"-DC SDT2-4"-DC VENT FW-51-1 3/4"-130 TO TI-1711 4 SPRAY C5-1"-GB CONN'S (TYP) DRAIN 5308 PT TRB100 P MULTI-POINT P.B. NH-36034 (B,4) M-103 NH-36034 (C,4) E-12A L.I.P. HEATER L.P. HEATER SDT1-4"-DC C06 1289 A RECIRC 10" E-11A 1711D TE 1311 TX 3" C06 1289 PS C06 ORW 1325 TX C20 30 14 PI C06 E/S 63 64 L 63 1711 TI DRAIN TO TI-1711 STEAM M-103 CFW140 T 1711F TE 8" x 6" STEAM CFW142 T C07H-2 26 CO7 1" E/S 25 5 C05 C07D-4 CONDENSER E-1A REF F.P. 5828-M4-6 (H.P. - HOT SHELL) FW-53-1 3/4"-130 VENT 3/4"-130 FW-52-1 E/S C07 VENT L A C208 1264 PT FROM 8 BASKET TIPS & 8 SOLENOID VALVES PANEL C99A L.P. TURBINE G-1A DUAL 2 PEN RANGE 11 REACTOR 1260 PX C208 1264 PR C07 HS SCRAM C208 1262 PI L C213 EJECTOR FW-15-2 16"-26 FW-10-2 1288 SX C6-8"-GB REJECT FW-22 12"-26 CFW205 F C5-2"-GB ORW EXHAUSTER E-4 STEAM PACKING NH-36038-2 5006 TE 1711C TE NH-36038-2 (D,1) NH-36038-2 (E,1) M-107 FW-48 1095A FE C4-24"-GB 2"-19 FW-19-1 FW-36 1095A FT 1297 TX FW-20 1"-19 C3-24"-GB FWD-50 1"-130 C2A 1300 TX CFW138 T 16"-26 FW-18-1 1301 PX C2 FWD-52 CRW 1"-19 1095B FE FW-23 C5-10"-GB M-141 NH-36047-1 4 (A,5) 1"-19 FW-28 1095B FT C209 C2-24"-GB M-103 NH-36034 (D,2) VENT C213 M-107 (B,3) ORW FW-106 1299 SX DRI 3/4"-130 FW-21 C2-12"-GB C2-16"-GB 1095B C2B-16"-GB 3/4"-19 C5-10"-GB RECIRC C06C-2 1"-130 C5-10"-GB RECIRC HOOD SPRAY TO EXHAUST FW-19-2 C4B-16"-GB FW-202 (E,2) FW-18-2 16"-26 C2-12"-GB 3/4"-130 FW-24-2 3/4"-130 FW-26 2579 PI 3/4"-19 FW-25 C2B C2 3033 RV FW-24-3 1298 TX E/S C06 FW-24-1 1"-19 FW-169-2 FCP 3 ORW FW-17-2 FW-16-2 C06 3/4"-130 ORW 3/4"-130 FW-170-2 COND INTER 3/4"-130 FW-9-2 C06 C209 TO RECOMBINER CNC-134-8"-E2 FROM RECOMBINER SYSTEM NH-54817-4 (A,7) SYSTEM NH-54817-4 (A,7) CNC-132-8"-E2 (ORW) 1290 PS CV 1095A D ORW 10"-26 1"-19 FW-14-2 FW-32 8" FW-30 8" TO TI-1711 1"-130 FW-11-2 1"-130 FW-168-2 FW-8-2 AIR E-2B 12 C2B-16"-GB 1711B TE VENT 16"-26 FW-7-2 1292 TX C4B-16"-GB 3/4"-19 FW-184-2 L O C C06 L O C C06 1"-19 FW-107 CV 1095B FW-290 8" 1"-19 FW-29 D FW-31 10"-26 ORW 2 C5-10"-GB RECIRC 12" MAKE-UP N.E. 1095B CO6 1095 C06 HS FI C211 L 1095 SV CO6 FCP 1095 E/P FC 1095 1095C FW-43 1"-19 1094B CV 10" NOTE 1: ABANDONED IN PLACE FW-105 1093 SV C6-8"-GB REJECT CFW135 F E/S CO6C-4 C6-8"-GB REJECT FW-41 FI 1095A 5102 FX CO6 HJ CFW132 F CO6 C06 1095A FCP FW-42 12"-29 8"-V142 FW-44 D HB CRW 1093 E/P 1"-76Y C209 10" (ORW) 5102 FE NORTHERN STATES POWER COMPANY Energy Xcel sm FW-40 C10-12"-HJ 3/4"-176Y C209 C06 FW-37 C06F-3 5102 FT E/S CO6 8"-26 C209 2" 5101 FE N.E. 5101 FT AI-220 FW-99 ORW C06F-2 E/S FW-50-2 L.P. DRN CLR E-DC-11B M-104 NH-36035 5018 TE CONDENSATE TO I.P. HTR FW-176-2 E-DC-12B L.I.P. DRN CLR FW-113 2910 PS C4B-16"-GB 1"-19 TO TI-1711 NH-36035 (C,5) TRB101 P 5309 PT EXHAUST HOOD SPRAY 1090 LS 1094 LC 2" CONDENSER E-1B TO TI-1711 NH-36035 (B,5) V6-1"-GB VENT SEAL WATER C206 35 56 3 C1A-30" C206 20 V6-1"-GB C10-3"-HB SW2-18"-HF 43 5' BETWEEN EACH SWITCH 1258 TS 60A 5-11B PS 1" L 51A A H C07 1" L 5-11D PS ORW HH 1093 LT (L.P. - COLD SHELL) REF F.P. 5828-M4-4 VENT A 1278 CDR107 L LR 53 V7-1"-GB HS C06 42 C208 1265 PT BACKUP MAKEUP ESW C06 ORW 1277 LS V7-1"-GB C1B-30" 1094 LT 42A 42 C06 H 3/4"-130 FW-53-2 FW-52-2 3/4"-130 C07D-1 E/S C07 42A C06 E/S FROM 8 BASKET TIPS & 8 SOLENOID VALVES PANEL C99B L.P. TURBINE C5-2"-GB 1263 PI 1261 PX C208 5-11C PS C208 L REACTOR SCRAM 4 G-1B 12 C4B-16"-GB FW-151-2 FW-152-2 FW-35 FW-150-2 FW-149-2 DRIP TANK PUMPS FROM CONDENSATE E-12B L.I.P. HEATER E-11B L.P. HEATER 1711E TE 1092 LG L H A L 1091 LS 46 4 6 24 M-104 STEAM DRAIN STEAM M-104 CFW141 T DRAIN 1312 TX C10-12"-HB C10-10"-HB RWN22-3"-HC FW-49-2 3/4"-130 1326 TX 7915 LS 1711G TE CFW143 T CO7 1" CO7H-3 E/S 2118 YS A C07 1259 TS HOOD EXHAUST 4832 PI H E-13B FW-178-2 C4B-16"-GB FW-177-2 C4B-16"-GB NH-36044 M-138 (A,3) M-108 VENT ORW (D,3) NH-36039 1304 TX FW-174-2 MO-16"-26 FW-173-2 1093 LC E/S C06 M-106 (A,1) NH-36037 1333 PT C07 PI 1333 2117 PI FW-51-2 3/4"-130 VENT ORW C07 ES C07 E-4 (PS 20) C 3 SW2-18"-HF FW-33 2"-19 1270 CFW164 T 1089 HS RTD (A,5) RTD COND. 1089 MO NH-36035 M-104 COND. 5010 TE B,4) FW-175-2 12" 10" CFW166 T E-1A TO 3" 18" 1269 CV FW-34 1270 MO 2" 2" HS C07 INTERLOCK TO 3" MAKE-UP CV-1226A, B SPILL VALVES 10" MAKE-UP NH-36035 (A,6)(C,7)(C,5) CV-1051 CV-1072 M-104 C10-3"-HB 1094 E/P C209 FROM COND. N.D. HDR. (A,3) C07 HS 1634 1634 SV C5-2"-GB 2 MET101 T FREE AIR TEMP 5049 TE SW2-18"-HF (ORW) 10" X 18" MOTOR BEARINGS CONDENSATE PUMPS 1"-19 FW-47 HJ FW-46 HB 1094A CV 2" D (ORW) HB 3"-29 C10-3"-HJ 1"-76Y FW-45 HJ FW10-10"-HF VENT 5100 FE SW2 FW10 C209 5100 FT C06 C06F-1 E/S SAFETY RELATED ELECTRICAL ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A M-105 SPECIAL CONCERNS ITEM COLOR LEGEND QUALITY GROUP D NH-36036 MONTI CAD DWG ` ' NONE SCALE: 1 6"-138 FW-39 FW-38 8"-26 1093A CV 1093B CV 1"-19 1" CRW 2" FW-104 HJ GB 6" REV 90 AD A B REVISIONS JJP 4-18-11 BAL 5-4-11 JJP 5-2-11 DDW 6-20-11 AWL 6-20-11 JJP 6-20-11 RKJ 12-6-11 DDW 12-6-11 JJP 12-6-11 DZ 4-25-11 AR 4-29-11 DDW 4/29/11 JJP 4-29-11 JPC 8-1-12 BAL 7-27-12 JJP 7-26-12 BAL 4-18-11 CHK: DJ 5-5-11 APPR: APPR: CHK: DWN: 83 EC APPR: CHK: DWN: APPR: CHK: DWN: 85 EC 84 EC 18294 20427 16179 DWN: 80 EC DWN: 82 EC CHK: APPR: DWN: APPR: 81 EC CHK: 16861 18085 11006 C06 H-3 C06 C210 E/S 1 C D E 10946,21113,15342 APPR: KAT 6-11-13 CHK: DWN: PEB 6-11-13 JJP 6-11-13 86 EC PLC-VMS-05 VC A H (COND. P-1A) C06 A C06 (COND. P-1B) H COND. PUMP P-1A STATOR (C,2) M-106 NH-36037 SEE TABLE FOR SENSOR ELEMENT AND COMPUTER-POINT-

SUMMARY

FOR ASSOCIATED COMPUTER POINTS. P-1A ELEMENT TE-134 TE-138 TE-142 TE-1712A TE-1712C TE-1712R VE-4131A VE-4132A VE-4133A VE-4134A VE-4134B VE-4133B VE-4132B VE-4131B TE-1712S TE-1712D TE-1712B TE-143 TE-139 TE-135 ELEMENT P-1B FW-323B FW-324B FW-322B FW-321B FW-321A FW-322A FW-323A FW-324A 25382 APPR: WTM 4-30-15 CHK: DWN: BAL 4-30-15 JJP 4-30-15 87 EC 23290 APPR: PRN 5-3-17 CHK: DWN: AJR 4-22-17 JJP 4-20-17 88 EC 10" 10" 1" M-106 601000000410 APPR: DAM 1-24-18 CHK: DWN: BAL 1-24-18 JJP 1-24-18 89 601000000210 APPR: JJH 4-16-18 CHK: DWN: AJR 4-16-18 JJP 4-16-18 90 FW-244 FW-245 FW-242 FW-243 EQUIPMENT SUMP 90

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 92 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 24170 APPR: AEA 5-7-15 CHK: DWN: BAL 5-7-15 JJP 5-7-15 88 EC 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 92 PS 1124 92 L PS 1125

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

601000000697 APPR: 600000541593 CHK: DWN: 600000541592 JJP 5-13-19 116 2" TE E-17A-2 TE E-17B-2 2" 2"-156 SW-36 EXCITER AIR 1 1/2" 2" 2" ISOL. PHASE BUS ISOL. PHASE BUS E-17A COOLER COIL COOLER COIL E-17B COOLER E-16 TI 1591 2"-65 1 1/2" TE E-17B-1 2" SW-33B 2"-65 TE E-17A-1 SW-35 SW-33A 2"-65 2"-156 SW-34A 2"-156 SW-34B SW-323 3/4"-156 1/2"-65 1/2"-65 SW-33-4 SW-33-3 2"-65 SW-33-2 2"-65 SW-33-1 SW-34-6 1/2"-156 SW-34-5 1/2"-156 SW-34-2 1 1/2"-156 SW-34-4 1"-156 SW-34-1 1 1/2"-156 SW-34-3 1"-156 REACTOR FEED PUMPS REACTOR BLDG C.W. HEAT EXCHANGERS SW-148-4 CHANNEL DRAIN 3/4"-156 REACTOR BLDG A.C. UNIT V-AC-9 SW-257-2 PI 7869 SERVICE WATER PUMPS TURBINE LUBE OIL 3/4"-156 SW-24 COOLERS (BY JOB 6453) PI 7868 3" 1 1/2" SW-194-2 SW-194-3 SW-194-4 SW-194-1 N.W. SW-186-4 SW-186-3 NH-36041 A B 3" D C E 4"-150 SW-32-2 SW-32-3 4"-150 SW-32-7 SW-30-3 2" SW-30-1 SW-32-5 4"-150 SW-32-1 SW-32-6 3/4"-156 SW-136-4 3/4"-156 SW-136-5 3/4"-156 SW-136-3 SW-32-8 SW-32-4 SW-3/4"-JF SW-44 SW-136-2 3/4"-156 3/4"-156 SW-136-1 4" 6" 3" 3" 1 1/2" 3" 3"-150 SW-38 1 1/2"-56 SW-40-1 3"-150 SW-42-2 3"-150 3"-150 SW-42-1 SW-40-2 3/4" VENT 6 VENT 3/4" 1589 E/P 1589 AO 1579 C06 1579 HS E/S AO-12"-418 C08 6" L O C C06 M-800 NH-36489 (B,1) DISCHARGE PIPE TO CIRC WATER SW4-10"-JF SW4-6"-JF 3" F.O. 8" SW4-12"-JF M-131 NH-36049-11 (C,1) C212 8" CV 1589 N.D. M-131 NH-36049-11 (C,2) 6" SV 1579 TC 8" 1589 A/S 6 C07 TT COND. VAC. PUMP COND. PUMP AREA TI 1597 3/4"-156 SW-96-2 3/4"-156 SW-96-1 2"-65 SW-40-3 2"-65 SW-40-4 2" 3" 2" SEAL WATER COOLER E-3 M-104-1 NH-36035-2 (B,2) A.C. UNIT V-AC-2 COND. AREA A.C. UNIT A.C. UNIT V-AC-3B V-AC-3A COND. AREA A.C. UNIT V-AC-1 UPPER COIL COND. AREA A.C. UNIT V-AC-1 LOWER COIL GEN. COLD GAS SW-184-4 2" SW-30-4 4"-150 TE 1589 TI 1581 TI 1582 TI 1583 TI 1584 TI 1577 (GTG-3) TI 1578 SW-184-3 VENT SW-184-2 GEN. H COOLER VENT GEN. H COOLER E-8B E-8C STATOR WINDING SW-186-2 VENT GEN. H COOLER SW-184-1 SW-186-1 LIQUID COOLER STATOR WINDING LIQUID COOLER SW-187-1 E-8A E-10B SW-187-2 E-10A VENT GEN. H COOLER E-8D 2 2 2 2 12 13 11 14 HEADER M-112 NH-36664 (B,6) NH-87125 (M10) CONDENSER WATER CHILLER SEE DWG FOR OFFICE ADDITION WATER DISCHARGE TO SERVICE TI 1572 SW-191-1 TI 1573 P SSW102 SW3-12"-JF POS 1533 1 1/2"-65 SW-74-2 1 1/2"-65 SW-74-1 SW-3/4"-JF 4" 6" SW3-6"-JF 3/4"-65 SW-135-5 SW-135-4 3/4"-65 3/4"-65 SW-135-3 3"-54 SW-37 1/2" DRAIN 1/2" DRAIN 1/2"-65 SW-95-2 1/2"-65 SW-95-1 2"-65 SW-39-3 SW-39-4 2"-65 2" 2" 3" 3" 3" 1 1/2"-65 SW-39-2 SW-39-1 3"-54 SW-41-2 3"-54 SW-41-1 3"-54 3" 5 SW-185-2 SW-185-3 SW-185-1 SW-29-1 SW-29-2 6"-54 6"-54 SW-185-4 SW-266 3/4"-65 SW-31-3 4"-54 SW-31-2 4"-54 SW-31-1 SW-187-4 SW-187-3 SCAVENGING SCAVENGING SW-31-4 4"-54 4"-54 4" 4" 4" 4" 6" 6" 1 1/2" 1 1/2" 1 1/2" P-50B 12 PUMP P-50A PUMP 1 1/2" 11 6" M-800 NH-36489 (C,7) PX 1580 10" 8" 5 SW5-8"-JF SW-135-2 3/4"-65 3/4"-65 SW-135-1 SW-43 3/4"-65 3" 1"-JF SW5-8"-JF 3"-150 SW-127 SW-125-1 4"-150 SW-193 SW-191-2 SW-173-1 SW27-4"-JF SW2-18"-HF SYSTEM M-112 NH-36664 (D,1) SW28-1"-JF TO CONDENSER E-1A EMERGENCY WATER HOTWELL NH-36036 M-105 TO EMERG. (D,1) SER. WATER 2"-JF 6" 6" 6" SW-119-2 SW-100 1"-156 SW-117 1 1/2"-156 SW-119-1 18"-29 SW-145 4"-54 4"-150 SW-125-2 SW-173-2 SW-118-2 C203 SW-27 12"-418 TURBINE BLDG REACTOR BLDG TE 5045 SW-25 SW-126 SW-190-1 PI 7351 SX 2521 TI 1563 SW-192 3"-54 3" SW-190-2 SW-26-1 M-110-2 (D,6) NH-36041-2 TCV-4899 SW-26-2 E-2-184-1A OIL COOLER M.G. SET AC CHILLER V-CH-1 OFFICE BLDG V-CU-1 4" 3" 3" 4" UNIT 11 3" SW-126-1 4"-54 SW-124-1 TCV 1 1/2" 4 C06 1535 PS POS 1532 3/4"-156 SW-146 SW-250 C06 C06 C-1 E/S T SSW100 NH-36041-2 (D,8) M-110-2 V-AC-7B REACTOR BLDG AC-UNIT V-AC-6 AC UNIT REACTOR BLDG AC UNIT V-AC-7A REACTOR BLDG A L C06 18"-418 SW-147 A O C06 E-2-184-1B OIL COOLER M.G. SET HF JF C06 1535 PI ORW 12 SW-118-3 SW27-6"-JF 1"-65 1 1/2"-65 SW-118-1 SW-116 TI-1711 M-112 NH-36664 (D,3) 4"-54 SW-124-2 TE 1711 DD PT 1535 TT 5045 TO RTD 4 SW-62-2 1 1/2" X 2 1/2" 3"-54 (TYP) 1 1/2"-65 SW-130-2 12"-54 12"-54 SW-130-1 SW-128 SW-130-3 12"-54 SW1-16"-JF RV 1403 RV TYP 1"-65 SW-132-1 1402 2 / 1 1 RV 1404 ORW E-5B 11 E-5A 12 12 E-5C 13 SW-249 TURBINE BLDG M-811 NH-36665 (D,2) TUNNEL 1 1/2"-65 SW-64-2 SW1-24"-JF SW28-3"-JF SW1-18"-JF 14" SW7-6"-JF ORW SW7-12"-JF SW-45-2 SW-45-1 8"-54 SW-257-1 SW7-8"-JF 1"-65 SW-47 3" 2 / 1 1 8"-42 NOTE 1 6" P-2B MOTOR P-2B L.O. 12 PUMP COOLER 8" TX 1537 PX 1536 8" 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 1" HBD 1/2"-HS 1" HBD ESW-91 4233 4233 4232 4232 3"X2" 3"X2" 8"-418 SW-46-2 DISCHARGE PIPE SW8-14"-JF SW-79 M-800 NH-36489 (B,1) 3 TO CIRC WATER SW-276 12'-418 SW-131-2 SW-148-5 SW-148-6 3/4"-156 3 SW-148-8 3/4"-156 12'-418 SW-131-1 SW-148-7 1 1/2"-156 SW-129 SW-131-3 SW-277 SW-278 12'-418 SW-215-2 SW-207-2 TI 1553 SW-148-3 3/4"-JF TYP CHANNEL VENT SW-148-1 SW-132-2 1"-JF TYP SW-132-3 SW-148-2 1564 TI TI 1565 1566 TI TYP 3/4"-156 dPI 7941 7940 dPI 7942 dPI ORW SW8-8"-JF SW8-8"-JF SW-214-2 SW-206-2 SW-256-2 E-7B SW-256-1 E-7A TI 1555 FG 1561 2 / 1 1 12 11 3" TI 1539 TI 1538 FG 1559 3/4" SW-219-2 SW-216-2 SW-218-2 SW-217-2 14"-418 SW-267 SW-46-1 8"-418 SW-219-1 SW-216-1 SW-217-1 SW-218-1 SW-50 3"-54 3"-150 SW-63-2 SW-213-2 SW-65-2 1" 3" 1" 3" 1" 3" 1" 3" 3/4" 1569 SX 1568 12" 1567 SX 6158 12" PI 12" SX SW6-16"-JF DISCHARGE HEADER TO SERVICE WATER SW7-6"-JF SW-149 2"-65 JBD JF ESW-79 HBD SW8-6"-JF SW-296 ESW9-6"-HBD ESW-33 3"HBD-GT 3"X2" 3"HBD-GT ESW-34 3"X2" ESW9-6"-HBD 6"X3" 1"CBA-GB ESW8-3"-HBD ESW-57 ESW-77 ESW-9 6"X3" TURB BLDG ESW9-3"-HBD L.O. 1"CBA-GB ESW4-3"-HBD ESW-49 ESW-78 ESW-4 ESW-9 TURB BLDG EFT BLDG VENT L.O. ESW-8 EFT BLDG VENT 2 ESW-37 ESW-36 3"HBD-GB ESW-34-1 PI 2"X1" 4400A 4400B 2"X1" PI 3"HBD-GB ESW-48 ESW-33-1 ESW3-2"-HBD 1"CBA-GB ESW7-2"-HBD ESW-56 1"CBA-GB 2 6" 3"X2" TCV 4030B 4030A 3"X2" TCV C274A 4029A V-EAC-14B (DIV II) 4029B C275B 1"CBA-GB 1"CBA-GB dPS dPS 3"X2" 2"X1" 3"X2" 2"X1" L L FIT FE L L FIT FE NH-36041 SAFETY RELATED ELECTRICAL ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A MONTI CAD DWG ` ' SPECIAL CONCERNS ITEM SW-291 H.S. 1"-65 SW-48 P&ID SERVICE WATER SYSTEM SW-258 Energy NORTHERN STATES POWER COMPANY RAW2-1 1/2"-JF Xcel SW-170-6 3/4"-65 M-146 NH-36348 (A,6) sm 3"HBB-GT ESW1-3"-HBD FROM DM-144 ESW-32 M-108 NH-36039 (D,5) 3"HBB-GT ESW5-3"-HBD ESW-31 FROM DM-145 M-108 NH-36039 (D,5) SW-53-2 ESW-46 ESW-54 ESW-95 1/2"-HS 1"CBA-GB 1"CBA-GB ESW PUMP NH-36665 NH-36665 ESW PUMP P-111D FROM M-811 (D,8) P-111C FROM M-811 (D,4) COLOR LEGEND QUALITY GROUP D 1 SCALE: 4" 2"-JF NONE M-110 SW-289 REV SW-290 SW-53-1 1 REVISIONS A B 117 AT E D C 2 / 1 1 2 / 1 1 1" 1" 2 / 1 1 2" 3" SW-197 SW-196 3"-150 SW-63-1 3" 3" PUMP P-2A MOTOR 11 3" SW-62-1 TI 1550 FG 1556 3"-54 2 / 1 1

11 COND PUMP MOTOR UPPER BEARING COOLER E-218A
12 COND PUMP MOTOR LOWER BEARING COOLER E-219B
12 COND PUMP MOTOR UPPER BEARING COOLER E-218B
11 COND PUMP MOTOR LOWER BEARING COOLER E-219A 4"

P-2A L.O. COOLER 1" 2 / 1 1 2 / 1 1 SW-65-1 SW-206-1 2" SW-215-1 SW-207-1 SW-214-1 2 / 1 1 2 / 1 1 SW-213-1 3/4" 3/4" 1" 2 / 1 1 SW-64-1 1 1/2"-65 11 FG 1558 TI 1552 4" 2 / 1 1 3/4"-65 SW-67-1 3/4" 2 / 1 1 3" 2 / 1 1 PI 7352 1"-156 SW-313 1"-65 SW-310 1"-156 SW-312 SW-322 SW-321 1"-156 SW-329B 1"-156 SW-329A SW-300 1"-156 SW-301 1/2"-156 SW-320 1/2"-156 SW-332 SW-330 1/2"-156 SW-319 1/2"-156 SW-317 1/2"-156 SW-318 1/2"-156 SW-316 1/2"-156 SW-315 1/2"-156 SW-328A 1/2"-156 SW-331 1/2"-156 SW-328B 1"-156 SW-306 1"-156 SW-307 SW-302 SW-303 1"-156 SW-308 1"-156 SW-309 1"-156 SW-304 1"-156 SW-305 SW-324 1/2"-156 SW-314 SW-325 SW-311 1 1 2" 1 2" 1 1 2" 1 1 2" 1 1 2" 1 1 2" 1" 1" 1" 1 2" 1 2" 1 2" 1 2" 1 2" 1 2" 1 2" 1 2" 1" 1" 1" 1" 1" 1" PI 7353 1"-65 SW-161 1" 1 1/2"-156 1 1/2"-156 1 1/2"-156 1 1/2"-156 1 1/2"-156 1 1/2"-156 1 1/2"-156 T-98 FI 301 FI 300 M-149 NH-36261 (E,4) 3 4" 3 4" 3 4" 3 4" 1 2" 1" 1" 3/4"-156 ELEVATION SW-30-2 ABOVE 931' 26291 APPR: SHG 6-23-16 CHK: DWN: BAL 6-22-16 JJP 6-17-16 111 EC CONDENSER V-EAC-14A (DIV I) CONDENSER 19671 APPR: MM 10-18-16 CHK: DWN: BAL 10-17-16 JJP 10-10-16 112 EC M-112 NH-36664 (B,3) NOTES: 1. BRASS OR BRONZE TRIM. 2. ORANGE LINES ARE INTERNAL FLOODING RELATED. 3. SS VALVE 6EQVENG27005. M-112 NH-36664 (A,3) 601000000410 APPR: DAM 1-24-18 CHK: DWN: BAL 1-24-18 JJP 1-24-18 113 6EQVENG28642 APPR: 600000268878 CHK: DWN: 600000531205 JJP 4-23-19 114 6EQVENG26998 APPR: 600000519282 CHK: DWN: 600000531610 JJP 4-24-19 115 6EQVENG27005 NOTE: 3 NOTE: 3 3/4"-65 SW-252 3/4"-156 SW-36-1 3/4"-65 SW-251 601000001727 APPR: 600000599227 CHK: DWN: 600000612539 JJP 10-15-19 117 117

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

RBCC-SAMPLE STATION RBCC-RBCC-3/4"-19 3/4"-19 RBCC-109 (FULL CAPACITY - 3000 GPM) WATER PUMPS REACTOR BLDG COOLING HS HS 3/4"-130 3/4"-130 RBCC-33 RBCC-48 4"-29 1"-19 CW2-4"-HF TO NON-REGENERATIVE HEAT EXCHANGER RBCC-23-2 24-2 RBCC-24-1 RBCC-RBCC-69-1 REACTOR BLDG COOLING WATER HEAT EXCHANGERS RBCC-69-3 RBCC-69-2 TO PAS SYSTEM COOLERS NH-96042-1 A B 8 7 NH-96042-1 71-3 (C,5) RBCC-CW8-1"-HF (C,5) 69-5 RBCC-RBCC-69-4 CW9-1"-HF 71-2 RBCC-PX RBCC-70-3 CW2-8"-HF 8"-142 RBCC-12-3 SX 1410 PX CW2-8"-HF RBCC-70-2 8"-142 RBCC-12-2 SX 1409 RBCC-70-1 CW2-8"-HF 1 1/2"-19 8"-142 RBCC-12-1 RBCC-39 SX 1408 PX NH-36042 C D NH-36042-2 TO TR-1720 1720 NH-36042-2 M-111-1 (D,3) A RBC100 T TE (C,3) M-111-1 RBCC-43 3/4"-130 ORW RBCC-44 CW2-6"-HF 1"-19 6"-29 RBCC-22-1 8" ORW 6"-29 RBCC-22-2 CW2-6"-HF RBCC-1"-19 RBCC-35 8 E-202 (12-3) 7 97-3 97-2 93 99-1 99-2 99-3 99-4 17-334 17-352 17-335 E-5C 13 1" HF 6 ORW 5 CW1-8"-HF RBCC-8"-29 1 1/2" HF CW1-8"-HF 8"-29 RBCC-9-1 9-3 8"-29 CW1-8"-HF ORW ORW TI 1407 RBCC-11-3 3/4"-130 VENT E-5B 12 TI 1406 1" HF M-110 1"-19 RBCC-(A,4) NH-36041 10-3 3/4" HF RBCC-RBCC-1"-19 ORW 10-2 NH-36041 M-110 (A,4) ORW E-5A 3/4"-130 RBCC-11-2 11 VENT 1" HF 3/4"-130 RBCC-11-1 TI 1405 VENT (A,4) 3/4" HF ORW RBCC-10-1 1"-19 NH-36041 3/4" HF M-110 4145 9-2 FE PRM108 R C02 4902 RR C10 RM 3/4" TYP 17-302 RW 4145 RT RE SAMPLE STATION REACTOR BLDG 3/4" FI RBCC-RBCC-RBCC-RBCC-RBCC-RBCC-95 RBCC-RBCC-C06 C06 PI 1399 A L C 4 RBCC-67-3 STANDBY 1/2" TYP C06 H L E/S C06B-5 C06 C04 A 1399 PT SC-4288 PX 1401 SX PS 1398 PS 1399 7434 PI 10" RBCC-RBCC-RBCC-RBCC-SC-3014 SC-3016 SC-3018 100-4 100-3 100-2 100-1 RBCC-RBCC-V-CH-18 SC-3011 SC-3022 SC-3020 RBCC-RBCC-96 94 98-3 98-2 3/4" 1 1/2" HF RBCC-38-1 RBCC-38-2 10"-29 1"-19 RBCC-4-2 RBCC-66-2 CW1-10"-HF PUMP START 1"-HF RBCC-67-1 RBCC-67-2 RBCC-67-4 10"-237 RBCC-3-2 1"-19 RBCC-66-1 ORW PI 1397 RBCC-114-2 C06 10"-29 RBCC-4-1 CW1-10"-HF RBCC-3-1 10"-237 PI 1396 RBCC-114-1 C06 CW9-1"-HF RBCC-3/4"-130 RBCC-97-1 C04 M-128 FUEL POOL (D,3) NH-36254 6"-142 25-2 HEAT EXCHANGERS (HALF CAPACITY) RBCC-25-1 6"-142 COOLING WATER SX 3/4"-130 RBCC-46-1 46-1 RBCC-45-1 23-1 1"-19 ORW 8" X 6" ORW 1"-19 BOTTOM RBCC-45-2 1"-19 ORW 1"-19 45-2 E-6A 11 1416 TI NH-36256 M-135 (B,4) SX PX 1414 3/4" HF 12 E-6B 1417 TI PX 1415 3/4"-130 46-2 8" X 6" ORW TOP RBCC-dPI 12-119 (C,3) M-128 NH-36254 3/4" HF (A,4) M-135 NH-36256 RBCC-RBCC-58 40 1"-19 RBCC-RBCC-ORW 4"-142 CW5-4"-HF SX 1418 PX 1420 TI 3501 2218 MO 3501 HS 6 NH-36042-2 M-111-1 CW4-8"-HF (D,7) 5 2"-19 D24-3"HF REACTOR BLDG SURGE TANK COOLING WATER RBCC-CW5-3"-HF CW5-8"-HF RBCC-1"-HF 98-1 10" 47 41 1"-HF 1700 GAL T-3 1391 71-1 LG 1 1/2"-176Y DM-111 1 1/2"-HJ M-108 NH-36039 (E,5) 1"-19 RBCC-26 ORW 1390 4" C06 L LS H A RBCC-42 1 1/2"-19 RBCC-1" 3/4" TURBINE BLDG C213 27 4293 SX RBCC-3/4" RBCC-CW2-1 1/2"-HF 31-2 2"-19 CW2-2"-HF 4 RBCC-CW2-1 1/2"-HF 31-1 1700 1400 3 2 3/4"-19 3/4"-130 RBCC-5 RBCC-8 VENT P-6A P-6B 3/4"-130 4218 3318 RBCC-2-2 VENT ORW 1"-19 RBCC-ORW 65-2 RBCC-65-1 1"-19 SC-4290 3/4" HF 3/4"-130 RBCC-2-1 ORW VENT RBCC-105-3 3/4" TYP ORW 1/2" TYP 106-3 3/4" HF RBCC-RBCC-112-2 RBCC-113-2 RBCC-64-1 RBCC-37-1 RBCC-37-2 RBCC-64-2 1-2 12"-29 RBCC-RBCC-112-1 3/4"-130 RBCC-7 CHEMICAL FEEDER RBCC-113-1 T-4 RBCC-6 12"-29 RBCC-1-1 ORW 3/4"-19 1 TI PI A B 111 FEED PUMP P-201B SC-1114 SC-4289 SC-4287 V-CH-19 SC-1152 SC-1150 RBCC-101 RBCC-RBCC-RBCC-105-2 105-1 103 RBCC-RBCC-RBCC-107-2 107-1 107-3 102 106-2 RBCC-RBCC-106-1 RBCC-RBCC-104 108-2 RBCC-RBCC-108-1 108-3 (3-16B) RBCC-56-2 CRD-RBCC-GEAR DRIVE COOLER CONTROL ROD DRIVE FEED PUMP P-201A CONTROL ROD DRIVE GEAR DRIVE COOLER 29-2 29-1 59-2 RBCC-61 CRD-(3-16A) 55-2 CRD-55-1 56-1 CRD-2348 FG FG 2347 RBCC-60-2 CW5-2"-HF 3/4" CW5-1 1/2"-HF RBCC-28 CW5-12"-HF 1" 32-2 RBCC-1 1/2"-130 RBCC-3/4"-130 30-2 3/4"-130 RBCC-30-1 CW5-1 1/2"-HF RBCC-3/4" 62 59-1 3 RBCC-60-1 CW5-2"-HF 1 1/2"-130 CW5-1 1/2"-HF RBCC-32-1 2 11951 EC 77 BJR 3-11-08 RMG 3-12-08 01121715 JJP 3-4-08 CHK: APPR: DWN: A/R C D REVISIONS JD 3-1-06 BAL 2-28-06 DN 2-28-06 01011926 1 076 APPR: CHK: DWN: 991 EC A/R 12389 A/R APPR: GEH 6-17-08 CHK: DWN: BAL 6-5-08 JJP 6-5-08 78 EC 01129353 NH-36042 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 S Xcel NORTHERN STATES POWER COMPANY MONTICELLO NUCLEAR GENERATING PLANT Energy sm P&ID REACTOR BUILDING COOLING WATER SYSTEM REV 79 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 25632 APPR: JPC 9-8-15 CHK: DWN: BAL 7-21-15 JJP 7-20-15 79 EC 79 79 SC-1114 HAS BEEN ABANDONED IN PLACE. THE CONNECTING PIPES HAVE BEEN CUT AND CAPPED.

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

E D C B A 6 5 4 3 2 1 I DRW-141I R'SIONS I i-----.-----~ I COND. STORAGE OVERFLOW DRAIN (M-138) NH-36044 (D,5) ACCESS CONTROL DRAIN CHl 1-1 1/2"-HK OFF-GAS STACK DRAIN A DRW-2 I r 1 1/2"-76Y 1 * ~ DRW-1 I 11 1/2"-276Yl 1 - C84£ H /'.'.fil:f84 y ~6 I

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== (A,5) ( }- /1421 \\. ~-------------* ( )- ( )- P-84 /3306\\. / 4303\\. 25 GPM 50 GAL LAB DRAIN SUMP S-35 1 1/2" HCD /Ls\\ 15 I I I I

I I

I SAS~ I LS 42_§6 AUTO: 130 GAL STDBY: 170 GAL 195 GAL REACTOR P-25A P-258 100 GPM EACH BLDG FLOOR DRAIN SUMP S-37 RWN7-2"-HC

1.

1/2" C04 C41 r------~~M!_!_R~------------------r----------------------------r-- CO~C LEAK RATE CHANGE ~-----1 TIMER ~--------,-----7 ( X-18 I DRW-93 I J A0-2"-19 l 1 V I I . \\ I _F.C,.......-

F.C, I

FUEL POOL HEAT EXCHANGER DRAINS (COOLING SIDE) 11-2-,,----'---; (B,1) C04 C4 l I I u 1 ~ 1 C04 0 HIGH LEAK RATE ~-----1 TIMER ~--------1-----t T / DRW-94 1 1----...-* '"----*-.... -Vi> V ,c:-:,..

1 1

1 'Ve REACTOR BUILDING COOLJNG WATER HEAT EXCHANGER DRAINS RBCW PUMP LEAKAGE CONTROL ROD PIPING LEAKS FLOOR DRAINS PIPING & EQUIPMENT MAINTENANCE VENTS ' 6, WEST CRD SCRAM :1------c_::1---, DISCHARGE VOLUME DRAIN LINE (M-119) I DRW-8-1 DRW-8-2 I I 3"-29 l

l C 3"-29 l,.>

NH-36245 (C,3) 4 I DRW-7-1 DRW-7-2 I C84 (3"-2371 *- (3"-2371 1 - RWN19 3" HC /1-'SIJ\\ ';' I ~ AO AO ~ f-'~6,.=~-7 ~ r;;;;;;;;--;;.,-,&, -A C 54 1 A , Ir 54 1 B C ~ I DRW-95 I C04~o _t' I DRW-91 I a. _t' ~,f----1 1 ~ C , I, 1 1 -19 1, 11 I, I DRW-11-1 I (2"-19] , ~ I DRW-10-1I DRW-11-21 2"-19 J *

DRW-10-21

~.E. SV N.E. '-E511A 541B c 7 ""T ,

iv~

--E

iv~

A.c.: A.c. I + A/S

+

( M-131 >

,--,+< ,--,H: 1,V ,V ,s< ,V ,V 1,V ,V l,,,V ,V,V l ::h',,'--,~-,--~ r,H( M-131) NH-36049-14 (A,5) , -2231 I 2 -223 l 1 - I NH-36049-14 I I (D,5) I

-- - 1--

------7 I

I C04 C04 I I C84~H t----r-~~JiE-2 _________ -- -- _,. --C 84 fLI\\ I l"FK:\\ ~540 ~~540 [&] [&] I I REACTOR PROTECTION SYSTEM ~Bl ~A C84t(\\ C04t(\\ C84t(\\ C04/i'.\\ r-----------------*(CL.OSEciN-DRYWfil-PRESSUREt 1 I I Y 'y Y 'y ~C04 OR LOW RX WATER LEVEL) NOTE 2 VENT -~ 4"-HC c,:: A I I

.,. 4* HC 4*

I I I I 2.. I I

_.i.._H *-1...H

!--L...H I '---f/'-=LSLS"'==\\ /'LS\\ /'LS\\ CRD-93 I 15 T2L T1L ~ ~1 1;2*~~-

== )- ( )- I /1109\\. / 4109\\. I AUTO VOL 598 GAL <D STDBY VOL 670 GAL z P-57A P-578 ~ c,:: 1310 GAL 100 GPM EACH -~ FROM EQUIP. DRAIN SUMP S-42 OVERFLOW (M-138) NH-36044 (C,5) REACTOR BLDG FLOOR DRAIN TANK T-55 TURB. BLDG. 2" r, t . ~, I DRW-9 I 2"-19, u

r:

I,..,. I N - ~ CRW 1

Hef04
I H C-24~

I I I L

--+-*

.I J 1 ___ J I I ~ S18 t----:-- 1---:---- ------+ r-39 t--+---l I H ~ ! 533 I I I L L I I ...1... C04 I I I 11 (LT\\ ffl I I I fLE' j \\Z_~7 VENT 1 - ~o I fil = :=

:

~He ! E ~04 ~--L------i f---+-----1 1-----r1---'------- L_ l1fo9I ( ( }- /1110\\. /4110\\. DRYWELL COOLER DRAINS FLOOR DRAINS CONTROL ROD DRIVE LEAKAGE & DRAINS CLOSED COOLING WATER PIPING DRAINS PIPING & EQUIPMENT MAINTENANCE VENTS ' r r I I I r r I AUTO: 186 GAL STBY: 229 GAL P-24A P-248 ~---------.1 50 GPM EACH DRYWELL FLOOR DRAIN SUMP S-38 I DRW-4-1 DRW-4-2 I 1

u I

'N I <D z ~ I ------ 3"-HK - -- - - -- - - -- - - -- - - -- - - -- - - -- - - -- - - -- - - I I fLS\\ RX. BLDG. BY JOB NO. 6~ l

7

< 2"'-19 l ' * ( 2"'-19 }

l W

VENT ~1 ~ I I I (1 1 /2"-76Y1 DRW-78 TO CHEMICAL WASTE "HOT" LAB FLOOR DRAINS LAUNDRY DRAINS ©-84 I DRW-3-1 < 2 -223 > 1 DRW-3-2 I < 2 -223 > ' -

7 78lEC828 DWN: JJP 3-19-07 CH K: BAL 3-20-07 APPR: JCG 3-26-07 79 IEC11951

'A/R 01121715 DWN: JJP 3-4-08 CHK: BJR 3-11-08 APPR: RMG 3-12-08 80 IEC12470 DWN: JJP 1-22-10 CHK: BAL 1-22-10 APPR: JCG 1-22-10 81lEC14882 DWN: JJP 1-22-10 CHK: DDW 1-25-10 APPR: AID 1-25-10 82 IEC15644 DWN: JJP 3-1-11 CHK: BAL 3-3-11 APPR: SMA 3-4-11 83 IEC18881,21417 DWN: JJP 6-7-13 CH K: GMP 6-9-13 APPR: NTM 6-9-13 84 IEC23394 DWN: JJP 2-13-14 CHK: BAL 2-17-14 APPR: MLW 2-18-14 85lEC27048 DWN: JJP 5-10-16 CHK: BAL 5-11-16 APPR: JCG 5-12-16 86 IEC21091 DWN: JJP 5-18-16 CHK: BAL 5-18-16 APPR: JCG 5-18-16 87 IEC27714 E D C P-93 80 GAL MACHINE SHOP DRAIN TANK T-103 -./ 1 1/2" HK TANK (M-140) I I C84 H '45!l HS C84 ~ r----r---~ I I I I u I DWN: JJP 3-27-17 CHK: AIR 3-27-17 1..11(_ APPR: JCG 3-28-17 ~ LAB. DRAIN ---i CHEM, LAB ADDITION DRAIN SUMP S-93 3"-HS 200 GAL ( 2' -76Y I DRW-73 I 2'-76Y L I DRW-74

;~---;-3 NH-36046 11 1 /2"-76Yl (C,6)

DRW-77 TO LAUNDRY DRAIN 1 1/2" HK TANK (M-140) NH-36046 I 1 1 J2"-76Y l (C,3) 1 1/2" HK E;.._~-=-.....:..--+..1...----++------.....:..----- DRW-76 ./ 1 1/2"-HC ,.HK I HC., I I I I I I r I ~*~' ~,= ( )- /1420\\ P-82A I I

== '-,-~_,,\\- / 4131\\. P-828 FLOOR DRAIN RADWASTE DRUM STORAGE AREA FLOOR DRAINS FLOOR DRAIN COLLECTION TK. PUMP LEAKAGE WASTE COLLECTOR TK. DRAIN & OVERFLOW PRECOAT TK. DRAINS & OVERFLOWS L RFP. SEAL DRAIN y J: TK. OVERFLOW ORW ,---~- I I I I --l, MASK DECON. RM WASHER & SINK 175 GAL 25 GPM EACH LAUNDRY DRAIN SUMP S-36 CHEMICAL WASTE PUMP LEAKAGE CHEMICAL WASTE TK. DRAIN & OVERFLOW WASTE SAMPLE TK. DRAIN & OVERFLOW FLOOR DRAIN SAMPLE PUMP LEAKAGE WASTE SURGE TK. DRAIN & OVERFLOW FILTER AID TK. DRAINS & OVERFLOWS DRW-13-1I IDRW-13-2I FLOOR DRAIN SAMPLE TK. DRAIN & OVERFLOW LAUNDRY DRAIN TK. DRAIN & OVERFLOW PRECOAT & FILTER AID PUMP LEAKAGE LAUNDRY DRAIN FILTER DRAIN ( 2"-19 } * ~ I 2"-19 1 *

WASTE SURGE PUMP LEAKAGE WASTE SAMPLE PUMP LEAKAGE PIPING & EQUIPMENT MA NTENANCE VENTS DRW-12-1I IDRW-12-2I 12"-223},_

TRUCK NEW SHIPPING RADWASTE AREA SHIPPING SUMP BUILDING SUMP (SOUTH)

i::11~

c11;m I DRW-1211, (4"-125#1 NEW RADWASTE SHIPPING BUILDING SUMP --*

(NORTH)

c11;x:

947'-0" RADWASTE TANK ROOM FLOOR DRAINS. ( 2"-223} I~ ~84 ------------ 1 -C84

7 I

I I I +-----,..--- HS I I 535 I H

I H I

LS LS 536 535 L L @I

== ( )- ( )- /1114\\. /4114\\. P-27A P-278 AUTO: 366 GAL STD BY: 419 GAL 50 GPM EACH RADWASTE BLDG FLOOR DRAIN SUMP S-39 VENT 4"-HC ~ ,----+ .i

ri.s\\

~457 FLOOR DRAINS PRECOAT & FILTER AID TK. DRAIN & OVERFLOW PRECOAT & FILTER AID PUMP LEAKAGES PIPING & EQUIPMENT MAINTENANCE VENTS CONDENSATE DRIP TK. DRAIN & OVERFLOW I I I I I i C84fH I I ( M-131) ~ NH-36049-11 :>---+---+T-=30="5"';3 (C-7) I I I I DRW-15-1I I 3" -29 l *

DRW-14-1I I 3"-237 l 1 -

C84

---------C84 -

+-----,..---~ I I ~

IH ~

I 11 11 Lin I =::: IDRW-15-2I r 3"-29 l, _. IDRW-14-2I ( 3"'-237] I - I I I I I

== SPENT RESIN TANK DRAIN & OVERFLOW CENTRIFUGE EFFLUENT TANK DRAIN & OVERFLOW CONDENSATE PHASE SEPARATOR DRAIN & OVERFLOW CLEANUP PHASE SEPARATOR DRAIN & OVERFLOW CENTRIFUGE WASHOUT HOPPER WASHOUT FLOOR DRAINS I RADWASTE SHIPPING LINE ( M-141) ( M-141) I DRW-17 I ' l 2"-19 J *l I DRW-16 I (2"-223) 1 - IDRW-117 FLUSH NH-36047-1 NH-36047-1 ( M-141-2) (B,2) (D,2) C84£~ H ~ 9 4 ~ NH-36047-2 u u y (B,7) J J J l I._t-,-----7 NOTE 2 VENT ~ ~ !£ i'i°s\\H i-LS,H ~ ~

~ 4"-HC VENT n

4"-HC T4 1\\ fil I== 1---11-....i...~ I c,:: s--1 ICRW-121I ICRW-120 : =jE / / I + ( (......,__...,....,)- ( )- I I I / \\. /3103\\. /2103\\. ~ I Z i P-53 L--* P-26A P-268 ~ L---* + 15 GPM ,c. I 12 GAL 1120 GAL 100 GPM EACH FROM EQUIPMENT ~---------------------__. DRAIN SUMP S-44 OVERFLOW I CONDENSATE PUMP AREA SUMP TURBINE BLDG FLOOR DRAIN SUMP <M-138) 500 GAL ( )- / 4146\\. P-59 50 GPM CONVEYOR FLOOR DRAIN SUMP I : s-53 s-4o NHc1.~f44 s-41 t L ____________________________________________________________________________________________________________________________________________________________ J VENT Q_HC 'N I N u A a&C84 l-'8.;...8'-',li--'6D;.;.;O;_C;._ED=l2......;7.;_83 ___ 3 __ c~-2 DWN: JJP 8-3-17 ~.1'!JM'iccbi i _rn__.J~ CHK: BAL 8-3-17 ~i-~ 543 -*-~~ i.;A:..::P.:...P:..::R:..cRAH:..:.;._8:::...-..:.3-_1:..::7 ___ ~ I I ~---- @01 t /'sx'\\LOCAL ~ 2 1 1/2" . ~/. , (E,3) RWN 19-3" -HC TO FR-2544 (M-138) NH-36044 (C,2) 'i' 1 1/2"-HC RWN9-2"-HC RWNB-3"-HC u RWN 18-2" -HC I,..,. TO WASTE SLUDGE TANK < M-141) NH-36047-1 (E,5) NOTE: I 0, - TO FLOOR DRAIN COLLECTOR TANK (M-140) NH-36046 (E,6)

1.

SUMP CAPACmES GIVEN ARE FOR LIVE STORAGE BETWEEN MIN. SUMP WATER LEVEL AND PUMP START.

2.

VENT PIPING ROUTED TO ROOM H&V EXHAUST DUCTWORK, WITH FLEXIBLE DUCTS USED FOR SUMPS. CQLOR I FGfND ASME CLASS I /OUALllY GROUP A -ASME CIASS 2/0IJAI.JIY GROUP B -ASME CLASS 3/QUALllY GROUP C QUAUTY GROUP D SAFETY RELATED MECHANICAL = SAFEIY RELATED EI..E~ This map/document is to assist employees in the performance of their jobs. M-137 Your personal safety is provided for by using safety 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~.--R.......r P&ID - OPEN (DIRlY) RADWASTE SUMP SYSTEM SCALE: NONE I REV 88 B A L 6 5 4 t 3 2 MONTICELLO NUCLEAR GENERATING PLANT & Xcel Energy-NDRIHERN srA1ES POWER COliFAN'I' ~H-3604~

DRYWELL EQUIP. DRAIN SUMP HEAT EXCH. REACTOR RECIRC. PUMP LEAKAGE VALVE STEM LEAK-OFFS REACTOR VESSEL FLANGE LEAK-OFF REACTOR WELL BULKHEAD AND BELLOWS DRAINS REACTOR RECIRC. PIPING MAINTENANCE DRAINS REACTOR BLDG. EQUIPMENT DRAIN SUMP VENT TURBINE BLDG. EQUIPMENT DRAIN SUMP A B 6 CONDENSATE RESIN RECEIVER TK. DRAIN & OVERFLOW 3074 LS M-131 NH-36049-11 (C,7) REACTOR BLDG SAMPLE SYSTEM CONDENSATE PUMP LEAKAGE MOISTURE SEPARATOR DRAIN PIPING MAINTENANCE DRAINS TURBINE BLDG SAMPLE SYSTEM CONDENSATE RESIN TRANSFER PUMP LEAKAGE VACUUM PUMP HEAT EXCHANGER DRAIN VACUUM PUMP WATER SEPARATOR DRAIN FEEDWATER PUMP LEAKAGE FEEDWATER HEATER DRAINS OFF-GAS DRAINS (LOOP SEAL) C84 NH-36908 NH-36829 M-185 (C,3) (A,4) M-144 RWN43-8"-HC H 2552 LS H SEAL DETAILS FOR LOOP 183 GAL. SEE DCM75-64 L S-44 P-51 3109 50 GPM NH-36047-1 C84 H A 2552 HS CRW-14 2"-223 (A,5) 8" M-141 CRW-15 2"-19 RHR HEAT EXCHANGER DRAINS (PROCESS SIDE ONLY) NH-36044 C D E TO BASIN CD7C-3"-JB CONDENSATE STORAGE TANKS DRAINS RCIC GLAND SEAL CONDENSER DRAIN HPCI GLAND SEAL CONDENSER DRAIN VALVE STEM LEAK-OFFS. (IF REQUIRED) CORE SPRAY PUMP DRAINS AND SHAFT SEAL LEAKAGE RHR PUMP DRAINS AND SEAL LEAKAGE (B,4) NH-36039 M-108 4140 135 GAL. S-42 P-21 50 GPM 2547 LS 2547 HS CRW-1 RWN65-2"-HC 2"-130 CD7D-3"-JB TO BASIN 2"-19 H L CRW-21 TANK 500 GAL. T-67 C84 CRW-22 2"-19 (C,4) NH-36039 M-108 TANKS OVERFLOW CONDENSATE STORAGE C84 A 6 CD7A-12"-JB CD8-12"-JB 12" OVERFLOW CD7B-12"-JB 2545 LS H STORAGE TANK CONDENSATE OVERFLOW 2562 HS 2562 CIT 2562 CS 2562 CE CRW-17-2 3"-29 3"-237 CRW-16-2 P-23B 100 GPM EACH 5 4 RWN48-4"-MR NH-36043 M-137 FLOOR DRAIN SUMP OVERFLOW TO TURBINE BLDG. (A,3) 4"-HC 2554 LS H L 2553 LS L H 2554 HS C84 C84 2553 HS RWN14-2"-HC 3075 LS 4" CONDENSATE DRIP TANK (TURBINE BLDG. EQUIPMENT DRAIN TANK) 730 GAL. NOTE 5 T-22 11 P-23A 3118 1 1/2"-HJ RWN60-1 1/2"-HJ A H C84 H 1"-HJ CRW-139 3"-237 CRW-16-1 3"-29 CRW-17-1 3 2562A AO RWN47-4"-HC 2"-19 CRW-18 2"-HC ORW 2118 12 3"-HC RWN22-3"-HC NH-36036 (D,3) TO CONDENSER M-105 CRW-115 AO-3"-463 2557 LI VENT 2557 FIC LOCAL F.C. O C 2563B PS L C84 2563A PS 14 PRM110 R 4902 RR C02 C84 A C10 PRM111 R 7992B RM 7992B RE 7992A RM C10 A C04 7 7992A RE 2556 LS H L 2555 LS L H 2562A SV N.E. C84A N.E. 2563 SV M-131 NH-36049-11 (B,6) C84 2556 HS A 7 2555 HS C84 A/S N.E. 2562B SV L C84 C O REACTOR BLDG. EQUIPMENT DRAIN TANK CLEAN-UP PUMP LEAKAGE LOCAL H CLEAN-UP REGEN. & NON-REGEN. HEAT EXCHANGER DRAINS FUEL POOL HEAT EXCHANGER DRAINS (PROCESS SIDE ONLY) NH-36049-14 RWN46-4"-MR FLOOR DRAIN SUMP S-37 M-137 NH-36043 (D,4) REACTOR BLDG. OVERFLOW TO C84 A M-137 (E,5) NH-36043 DRAIN SUMP TO REACTOR BLDG. FLOOR 4"-HC 2"-HC 2"-19 2"-223 CRW-2 CRW-3 2558 LI (A,5) M-131 2558 FIC 2549 LS 3071 LS L H AUTO: 526 GAL STBY: 598 GAL FUEL POOL PUMP LEAKAGE CONDENSATE SERVICE PUMP LEAKAGE PIPING MAINTENANCE DRAINS 2548 LS H L H 2548 HS C84 2549 HS C84 CRD-94 1 1/2" 4" VALVE STEM LEAK-OFFS (IF REQUIRED) NH-36245 M-119 DRAIN LINE DISCHARGE VOLUME EAST CRD SCRAM V53-6"-JB 5 (C,2) WASTE COLLECTOR PUMP LEAKAGE CONDENSATE SLUDGE PUMP LEAKAGE CLEAN-UP SLUDGE PUMP LEAKAGE RWN3-2"-HC 4" 4 2559 AO FLOOR DRAIN SUMP REACTOR BLDG. 1117 4118 RWN13-4"-HC P-58B P-58A 100 GPM EACH T-56 2562 CI C84 H ORW 2"-19 CRW-6 2" 12 CRW-5-2 3"-29 3"-237 CRW-4-2 11 3"-29 CRW-5-1 CRW-4-1 3"-237 4"-HC FUTURE SEE NOTE 2 USE RWN60-1 1/2"-HJ C84 AO-3"-463 RWN20-3"-HC LEAK RATE HIGH CHANGE LEAK RATE C-19 2578 TT 2578 TE A M-131 NH-36049-14 (A,8) C04 F.O. H A A TIMER TIMER C41 C04 C41 C04 M-111-1 COOLING WATER NH-36042-2 REACTOR BUILDING RWN20-3"-HC SEE NOTE 2 2" AO-3"-463 FOR CW4-2"-HF CW3-2"-HF SEE NOTE 2 3" (B,5) 3 1" VENT TANK T-24 N.O. A SUMP COOLER SHOULD THE THERMAL INPUT TO THE CONNECTIONS ARE PROVIDED FOR THE ADDITION OF ALL LINES TO BE SEALED IN SUMP OR SUMP TANK. SEE NOTE 3 CONNECTION AND SPECTACLE FLANGE PROVIDED TO PERMIT FLOW TO BE DIVERTED TO T-26 DURING 2 NW1-4"-JB 3"-54 NW2-2 3"-255 NW1-2 4"-JB VENT TURBINE BUILDING NORMAL WASTE SUMP 80 GPM EACH (NON-RADIOACTIVE) S-45 (SEE NOTE ON M-137 ON SUMP CAPACITIES) P-52A 61 GAL 3110 11 P-52B 2110 12 2" 2" 3"-255 NW1-1 RWN5-3"-HC 2562B AO F.O. NW2-1 3"-54 3" 3" MAINTENANCE. 3. SAMPLE SYSTEM) (SEE NF-36753 FOR TO OIL INTERCEPTOR SUMP REQUIRE COOLING. 2. 1. NOTES: (B,1) 1 M-139 (E,6) NH-36045 A B C04 7409 LR C04 7409 E/S M-131 NH-36049-14 (C,5) C-19 2560 TT 2544 FT CRW-138 F.C. 2561B AO 2561B SV L AO-2"-462 50 GPM EACH 2 PEN DRYWELL EQUIPMENT DRAIN SUMP STBY: 229 GAL AUTO: 186 GAL 4" S-43 PCT108 F P-20A 1111 2"-HC 20-5B 2551 LS 3072 LS C-246 C04 A H 3001 LE H ORW C04 HS C04 C84 2550 LS L L 20-5A H H 11 L L C04 HS 2"-223 2"-19 CRW-7-1 CRW-8-1 AO-2"-462 PUMP TRIP F.C. 2544 LIM FROM FT-2543 NH-36043 M-137 P-20B 4111 C04 2544 FR C84A 2544 FQ HJ HC C84 2560 TE 2544 FCP C84 C84A-1 E/S START 7408 LT PCT138 L C04 C84 12 L L 2"-223 2"-19 CRW-7-2 CRW-8-2 C C 4"-HC VENT PUMP A/S 1"-19 CRW-104 2561A SV A.C. N.E. A.C. N.E. PSD 6048 CRW-10 E-25 1"-130 CRW-9 1"-19 2560 SV 2560B AO 2560A AO C84 2"-HC O L C C84 O L C N.D. 2 M-131 CRW-140 (B,4) RWN2-2"-HC NH-36049-12 X-19 F.O. A/S AO-2"-19 C04 CRW-111 O CRW-112 2561A AO F.C. BJR 3-11-08 RMG 3-12-08 01121715 JJP 3-4-08 A C04 COLLECTOR TO WASTE LOCAL 2571 SX CRW-137 RWN20-4"-HC 2544 FE 2560 H TIS (CLOSE ON HIGH DRYWELL PRESSURE C84 OR LOW RX WATER LEVEL) C04 16A-S19 HS REACTOR PROTECTION SYSTEM C04 H 2560 HS C04 A C CHK: APPR: DWN: A/R C D REVISIONS JCG 8-3-06 BAL 8-1-06 JJP 7-31-06 JJP 1-11-07 BAL 1-11-07 JCG 1-15-07 AO-2"-19 CRW-113 L C C C04 O 76 APPR: CHK: DWN: 77 DWN: CHK: APPR: 78 1084 EC EC 11951 EC 1097 1 E 11006 APPR: BLS 5-4-11 CHK: DWN: WGN 5-4-11 JJP 5-4-11 79 EC NH-36044 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-138 X Xcel NORTHERN STATES POWER COMPANY MONTICELLO NUCLEAR GENERATING PLANT Energy sm P&ID CLOSED (CLEAN) RADWASTE SUMP SYSTEM REV 88 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 23394 APPR: MLW 2-18-14 CHK: DWN: BAL 2-17-14 JJP 2-13-14 80 EC 25914 APPR: JCG 7-22-15 CHK: DWN: BAL 7-21-15 JJP 7-20-15 81 EC AUTO: 27048 APPR: JCG 5-12-16 CHK: DWN: BAL 5-11-16 JJP 5-10-16 82 EC VENT NOTE 4 VENT PIPING ROUTED TO ROOM H&V EXHAUST DUCTWORK, WITH FLEXIBLE DUCTS USED FOR SUMPS. 4. VENT NOTE 4 VENT NOTE 4 27711 APPR: JCG 11-1-16 CHK: DWN: BAL 11-1-16 JJP 10-28-16 83 EC 27715 APPR: SJH 1-18-17 CHK: DWN: BAL 1-17-17 JJP 1-12-17 84 EC C04 2578 TIS 27714 APPR: JCG 3-28-17 CHK: DWN: AJR 3-27-17 JJP 3-27-17 85 EC NH-36049-14 M-131 (A,5) FIC 2551 LI 2551 H A H C84 LOCAL LS 3070 APPR: RAH 8-3-17 CHK: DWN: BAL 8-3-17 JJP 8-3-17 86 6DOCEDI27833 6EQVENG25813 APPR: JCG 9-11-17 CHK: DWN: BAL 9-11-17 JJP 9-11-17 87 VOLUME BETWEEN AUTO PUMP START AND STOP. 5. NOTE 5 6EQVENG21961 APPR: 600000555049 CHK: DWN: 600000555074 JJP 6-11-19 88 88

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

42-4113/CS 2"-19 DRW-40-2 RWN64-4"-HC 1000 GAL DRAIN TANK DRW-119 M-139 NH-36045 (C,6) RWN 24-2"-HC AO 2691 SV 2691 FAI CHEMICAL WASTE TRIP 2 PEN A H C84 FROM WASTE PRECOAT TANK DECONTAMINATION SOLUTIONS VESSEL HEAD DECONTAMINATION AREA LR 2688 A C84 2"-276Y DRW-52 DRW-65 A B 1 1/2"-HK HC HS AO-2'-462M3 DRW-105 DRW-63 M-139 NH-36045 (B,5) LT-2649 NH-85509-2 TO B HOPPER OR TRANSPORTATION LINER SOLIDIFICATION RWC2-2"-HC (C,3) M-114-2 STATION 6 TO FROM M-137 NH-36043 (C,3) MACHINE DRAIN SHOP 1"-76Y DRW-53 DRW-92 RWC4-1"-HC FAI AO 2689 SV 2689 HC HS ORW PI 3034 RWC3-2"-HS LABORATORY DRAIN SX 2690 DRW-89 DRW-87 DRW-88 CUNO FILTER C217 M-137 NH-36043 (E,6) M-139 NH-36045 (A,5) A H C84 WASTE TANK CHEMICAL DRW-51 DRW-69 3"-29M3 EDUCATOR CH20-4"-HK MIXING C84 HS DRW-64 42-3225/CS 50 GPM 3/4" LS 2688C PUMP P-30 C84 3225 LT 2688 C84 L 5 PX 2881 PX 2880 CH7-2"-HC C84 E/S C84B-2 AO-2"-562M3 HC HS 2" DRW-120 4"-256M3 CH11-1 1/2"-HK D35-3"-HC DRW-50 2"-76Y 4000 GAL RWC1-3"-HS ORW HS HC T-19 4" VENT HS HC AO 3003 F.C. SV 3003 A H C84 2685A CH8-1"-HF 4 LS 2685C LS C84D-3 E/S ORW C84 L HS C84 LT 2685 A H C84 2685B 2685 2PEN LR LS C84 C84 AO 2683 VENT D34-4"-HC 3" SV 2683 4"-237 TDS NH-36046 C D E TURBINE BLDG FLOOR DRAIN SUMP 10,000 GAL. 2"-19 DRW-18 4" 2 DRYWELL & REACTOR BLDG RADWASTE BLDG FLOOR DRAIN SUMP TO WASTE SLUDGE M-141 NH-36047-1 (E,5) SLUDGE TANK TO WASTE RWN41-4"-HC DRW-128 TANK T-35 M-140 NH-36046-2 (A,4) MACHINE SHOP DRAIN FLOOR DRAIN SUMP M-137 NH-36043 (B,1) M-141 NH-36047-1 (C,6) M-137 NH-36043 (B,1) M-137 NH-36043 (B,1) M-137 NH-36043 (B,1) 6"-29 SRW-66 VENT FLOOR DRAIN 1152 GAL/FT TANK T-26 COLLECTOR FROM T-24 3"-29 DRW-19 RWN24-3"-HC DRW-68 DRW-129 HS 42-3227/CS EDUCATOR MIXING C84 RWN9-2"-HC RWN19-4"-HC RWN8-3"-HC 1 1/2"-HC 6 ORW DRW-130 C217 DRW-67 M-185 NH-36908 (B,4) A H C84 E/S C84A-4 C84 DRW-20 2"-223 COLLECTOR FLOOR DRAIN 3227 DRW-66 PUMP P-33 50 GPM LT 2654 LS 2654C C84 C84 L C84 ORW 3/4" SX 2656 A H C84 2 PEN LR 2654 1 PI 2655 RWN49-2"-HC HK HC AO 2657 AO-2"-462 FAI M-131 NH-36049-16 (C,5) LT-2593 RWN24-2"-HC (D,5) NH-36045 M-139 A TRIP C84 M-140 NH-36046-2 (C,8) T-27 DRAIN FILTER TO FLOOR C84 PC FROM M-139 NH-36045 (C,5) L O C C84 PC I SV 2657 HS 2657 RWN34-2"-HC WASTE COLLECTOR CROSS TIE M-139 NH-36045 (C,6) 5 SV 2665A C96 HS 2662 PRO-2 DW25-1"-HC DRW-24 FLOOR DRAIN HOLDING PUMP P-56 2666 PI 1 DW24-1"-HC M-131 NH-36049-4 (A,6) 2873 DRW-23 1"-19 PX 2872 PX VENT A/S REW25-2"-HBD 1"-223 PRO-2 4930 C96 HS

SV 2665C SV 2665D 15 HC HBD M-140 NH-36046-2 (B,8)

T-27 M-140 NH-36046-2 (C,2) TO FLOOR DRAIN FILTER M-140 NH-36046-2 (C,2) L C C96 PC 2665 AO D FROM FLOOR DRAIN FILTER FROM FLOOR DRAIN FILTER RWN25-2"-HC C96 A L C96 2665 FRC

C96 4

2676A E/S C84D-4 VENT CASK CLEANING AREA CONTAINS STAINLESS REPLACEMENT TUBING. REFER TO MOD. 97Q040. 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 VESSEL HEAD DECONTAMINATION AREA ORW A TRIP C84 HS 42-1113/CS 2"-19 DRW-45-1 RWN11-2"-HC 3 T-21A DRAIN TANK LAUNDRY PX 2878 2" 1000 GAL EDUCATOR MIXING A TRIP C84 RWN11-2"-HC 2" DRW-42 2"-19 DRW-40-1 2"-19 DRW-43-2 2"-19 AO 2681 LAUNDRY AO-3"-463 MIXING EDUCATOR T-21B 3" FAI 12 SV 2682 AO-3"-463 SV 2681 AO 2682 FAI AO 2680 11 FAI FAI HC HS CH26-4"-HC 1 1/2"-HC DRW-90 AO-2"-462 SV 2680 3"-HC ORW LAUNDRY DRAIN P-29A & P-29B 25 GPM EACH PX 2877 DRW-43-1 PX 2879 PX 2876 PUMPS 11 1113 PI 2687 4113 12 PI 2686 MACHINE SHOP DRAIN 3" D33-4"-HC VENT E/S C84D-2 LT 2684 LS 2684 L C84 M-137 NH-36043 (C,3) SX 2679 C218 1"-130 DRW-46 SEE DWG VALVE DETAILS FOR AO NH-36045 DRW-45-2 2"-223 DRW-44-1 DRW-44-2 2"-223 2"-19 (A,6) M-139 LAUNDRY DRAIN AO-2"-462 C84 RWN11-2"-HC FILTER F-6 25 GPM FAI SV 2678 AO 2678 STAINLESS 316 TRIM. 2 2 dPT 2677 NOTES: 2"-19 DRW-48 DRW-47 1"-19 ORW 1 SX 3104 DRW-86 C218 SHEET 1 OF 2 RR 17-337 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 NH-36046 MONTI CAD DWG ` ' M-140 REV 1"-76Y DM-121 WELL 17-300 PROCESS RADIATION RE 17-330 P&ID DIRTY RADWASTE SYSTEM NORTHERN STATES POWER COMPANY Energy Xcel sm DRW-71 3"-S.STL DRW-72 1"-19 DRW-39 1"-HC ORW HC HS DRW-70 HS HC DRW-54 2"-223 HS HJ HC HS SCALE: 1 NONE COLOR LEGEND QUALITY GROUP D C10 1"-HJ 2"-19 RWN28-2"-HC DRW-55 2676B FT RT 17-331 DM-120 DM-77 CANAL M-800-1 (C,8) NH-36489-2 M-108 NH-36039 (E,4) C84 DEMINERALIZED WATER R PRM109 TO DISCHARGE 17-350 A RM C84 84 P A B RWN27-2"-HC DRW-85 2"-19 HCS 2674 HS 2674 2"-19 2"-19 DRW-35 DRW-31 DRW-33 SX 2672 2"-19 2" DRW-28 DW23-2"-HC DRW-80 2"-130 DRW-84 CH12-2"-HC CH27-4"-HC 2668 SX L 2665 FS 2665 FE 2665 FCP FT 2665 2"-223 C217 DRW-25 RWN63-3"-HC TRANSPORTATION LINER TO B HOPPER OR NH-85509-2 M-114-2 (C,4) ORW AO-2"-462 2669A HS 2"-19 C84 DRW-26 F.O. AO 2669A SV 2669A 3 DRW-136 SV 2669B HS 2669B AO-2"-462 42-4139/CS 2875 C84 1"-HC A H C84 RWN29-2"-HC EDUCATOR DRW-104 RWN28-2"-HC MIXING 2"-19 2874 DRW-29 HS PX PX WASTE COLLECTOR M-139 NH-36045 (E,3) 10,000 GAL T-32 SAMPLE TANK FLOOR DRAIN 2"-223 DRW-27 CROSS TIE 4"-HC VENT F.C. AO 2669B LR 2670 E/S C84F-3 A TRIP C84 dPI 2677 SAMPLE PUMP P-37 50 GPM dPS 2677 C84 C84 2670B LS LT 2670 FLOOR DRAIN 4130 C84 L ORW C84 RWN11-2"-HC 2"-223 DRW-30 PI 2671 RV 4970 DRW-135 C84 LS 2670A UV UNIT T-209 SX DEMIN. WASTE COLLECTOR AO-2"-462 M-139 NH-36045 (C,2) A H C84 C84 DRW-134 1/2" AO 2673 SV 2673 FAI C218 DRW-137 FIS 4965 2" 3/4" VENT 2" 2 C84 CIRC. WATER PUMPS DRW-83 RECYCLE LINE WASTE COLLECTION M-139 NH-36045 (E,2) CV 2675 2"-19 DISCHARGE SAMPLE PUMPS FROM WASTE M-139 NH-36045 (D,1) M-139 NH-36045 (E,1) RECYCLE LINE TO OFF STANDARD 1"-HC DRW-36 FULLY CLOSED L C84 2"-223 2"-223 SV DRW-49 2674 NE C84 CV 2674 DRW-81 ORW 2"-223 DRW-62 2675 FT HCS SV NE C84 2675 DRW-37 DW20-2"-HC RWN30-2"-HC 1"-19 DRW-32 2"-223 DRW-34 SX TS 4966 3/8" I-LRW-T-1 I-LRW-T-2 HS 4967 DRW-82 C-412 TO FR 2676 1"-19 DRW-38 L C84 FULLY CLOSED M-800 NH-36489 (B,2) INTERLOCK FROM 2 PEN C84 APPR: CHK: DWN: 78 JJP 5-4-11 BLS 5-4-11 WGN 5-4-11 11006 EC 1 REVISIONS C D E 19136 APPR: SAN 4-4-12 CHK: DWN: BAL 2-14-12 JJP 2-13-12 79 EC 23465 APPR: JRG 8-24-15 CHK: DWN: AJR 8-24-15 JJP 8-24-15 80 EC 21091 APPR: JCG 5-18-16 CHK: DWN: BAL 5-18-16 JJP 5-16-16 81 EC 3 LAUNDRY DRAIN TANKS PUMPS, FILTER, AND ASSOCIATED EQUIPMENT INACTIVE. 4 SW FITTINGS ON 4" CROSS-TIE CH27-4"-HC PER EC21091. 4 CH27-4"-HC 6MODWMO27809 APPR: JCG 4-24-18 CHK: DWN: BAL 4-22-18 JJP 4-19-18 82 TO SRW-64 DRW-144 2"-19 M-139 NH-36045 (C,6) DRW-143 2"-19 6MOD00016745 APPR: CHK: DWN: NJM 6-5-18 83 6MOD00016745 APPR: DJS 6-7-18 CHK: DWN: AJR 6-7-18 NJM 6-6-18 84 84 DJS 6-6-18 AJR 6-5-18

D C B A. 8 NH-36046-2 FROl.4 WASTE COL1.£CTDR E I L \\. {M*/40 SH. I ~'r\\-3/4Ci'H, F.Rl:>>1 FLOOR DRAIN COt.L.C1"alf PUMP P-3'3 C.

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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 PX 2934 AO-6"-463 A TRIP C84 TRANSFER 450 GPM PUMP P-79 BACKWASH CONDENSATE PI 2766 6"-237 SRW-3 PX SRW-4 6"-463 3" CRW 6 4" PX 3414 FG 3422 CST-69 FC AO 2927 RT4-2"-HE FAI PX 2935 1/2"-HB RT4-6"-HE SV 2764 SV 2927 2"-223 1/2"-HB HE HB SRW-1 2"-19 AO 2764 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 86 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: DWN: CHK: APPR: 82 TDS C84 C84 H 80 81 78 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 01113763 12127 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 BAL 3-20-08 JCG 3-24-08 JJP 3-17-08 11006 EC EC 9655 EC A/R 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) DWN: APPR: CHK: 2701 LI 1 77 REVISIONS 01121715 JJP 3-4-08 RMG 3-12-08 BJR 3-11-08 11951 EC A/R 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 86 CST-213 86 86 CST-215 PX 2931 PI 3415 SRW-69 86 PI 3416 SRW-70 86 CST-214

8 NH-36047-2 D C SERVICE AIR CEE) l---.fo'----1~-......... ___,""'"""..... NH-36049-4 (C,4) B l-1 1 1/2" EF A 8 7 10 CONVEYOR FLOOR DRAIN SUMP 7 (!EID NH-36043 (B,3) 1 1/4" HE y ORW 6 1 1/4" HE 1* JB 5 NJ-27&1 FLUSH r-----i><J----v"'t----~<EID NH-36047-1 (B,4) SERVICE CONIJENS.&.TE --vit----OIQ---1 <E!H) 1 1/4" HE NH-85509-2 (B.3} !=~== i 6 5 BUCKET ELEVATOR 4 FROM CONDENSATE SER\\IICE WATER <EiED NH-85509-2 (B,3) 1" JB DUST COLl.ECTOR 4 1 1/2" AV/DS-W1 FAN MOTOR OPERATED VIBRAlOR CEMENT FEEDER 2 TO WASTE SLUDGE TANK <EID NH-360-47-1 (A.3) 3 a,

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AGITATOR BACK PRESSURE CONTROL VALVE WASTE FEEDER MIXER-FEEDER 3 1 1/2" FROM CENTRIFUGE S-14B <EEED NH-36047-1 (B,3) / ' / ' 2 DECON HOOD HOIST MOTOR 3/4" H.P. 460-311 [M]- DRUM DECON STATION LIMIT SWITCH 61 DECON HOOD GUIDE RAIL LIMIT SWITCH 62 1 REVISIONS 76 EC11951 1/R 01121715 DWN: JJP 3-+00 CHK: Im 3--11--00 APPR: RI<<: 3--12-0S ...--1-......-..----~ <E!E> 437 NH-85509-2 (B,4)(B,4)(C,4} AS-54 L--C98 SIGNIFICANT NUMBER 8700 RW GROUP 2 MONTICELLO NUCLEAR GENERATING PLANT UNIT 1 MONTICELLO NUCLEAR GENERATING PLANT P&ID RADWASTE SOLIDS HANDLING SYSTEM NORTHERN STATES POWER COMPANY i-:5=CAl£=:..:..:.;NO=N-=-E _ REY=--:-7..:a.. 6 --,1 MINNfAPOUS NH -3 604 7 - 2 2 1 D C B

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 P&ID COMPRESSED AIR SYSTEM COMPRESSED AIR BUILDING EL. 934' CONTROL/ MONITORING PANEL TO OPEN RAD WASTE DRAIN IN MACH. SHOP M-137 NH-36043 (C,5) ORW ORW A IA16-1/2"-JF IA16-1/2"-JF B ORW 7 8 6 AI-1089-2 TROUBLE COMPRESSOR AIR C06 AI-1089-3 INST & SERVICE AIR COMPRESSOR K-1G 717 SCFM FOR DETAILS SEE NX-74416-1 CONTROL/ MONITORING PANEL FILTER IA16-1/2"-JF AIR IA16-1/2"-JF FILTER AIR 17 TI 7998-3 CCW-21-3 CCW-35-3 AI-1094-3 1" AI-1092-3 2"X1 1/2" 2"X1 1/2" AI-1093-3 3/4" CH35-2"-JF PI 7996-3 3/4" AI-1094-2 1" A 2"X1 1/2" AI-1092-2 CCW-40-3 AI-1093-2 3/4" CH33-2"-JF PI 7996-2 NH-36049-1 C IA16-1/2"-JF ORW D AI-1089-1 TROUBLE COMPRESSOR AIR C06 TROUBLE COMPRESSOR AIR C06 INST & SERVICE AIR COMPRESSOR K-1F 717 SCFM FOR DETAILS SEE NX-74416-1 FILTER IA16-1/2"-JF 16 (SEQC-1) TO ES8 CONTROL/ MONITORING PANEL INST & SERVICE AIR COMPRESSOR K-1E 717 SCFM FOR DETAILS SEE NX-74416-1 AIR 15 AI-1092-1 1" CCW-35-2 CCW-21-2 2"X1 1/2" A TI 7998-2 CCW-40-2 3/4" AI-1093-1 3/4" AI-1094-1 CCW-21-1 CCW-35-1 2"X1 1/2" 2"X1 1/2" A TI 7998-1 CH31-2"-JF PI 7996-1 3/4" CCW-40-1 7 8 6 M-131 NH-36049-2 (C,8) CCW-27-2 2 1/2"X2" 2 1/2"X2" CCW-37-3 TEMPORARY PLANT AIR SUPPLY LINE 5 AI-1113 4 AI-1112 CCW-26-3 CLOSED COOLING PUMP SKID CLOSED COOLING PUMP SKID CCW-27-3 EXPANSION TANK CCW-24-3 DPS 7997-3 CCW-38-3 CCW-25-3 IA15-3"-HS CCW-23-3 CCW-22-3 PI 7997-3A P-232B P-232A CCW-38-2 CCW-25-2 CH36-2"-JF CCW-22-2 IA15-3"-HS PI 7997-2A P-231B CH35-2"-JF CCW-30-3 PI 7997-3B CCW-31-3 OUTSIDE 17 INSIDE AV 7997-3 CCW-29-3 CCW-28-3 CCW-41-3 CCW-32-3 TI 7997-3 3/4" PI 7997-2B CCW-31-2 CCW-42-3 CCW-33-3 CCW-34-3 16 CCW-29-2 CCW-39-3 3/4" 3/4" 3 NORTHERN STATES POWER COMPANY Energy 2 Xcel sm AI-1095-3 AI-1114-2 INSIDE IA15-3"-HS FLUID COOLER 17 K-117B K-117A 3/4" 3/4" CCW-36-3 K-117C OUTSIDE IA15-3"-HS COMPRESSED AIR THIS DRAWING SUPERCEDES NH-36049-1 REV. 76. M-131 NH-36049-2 (B,8) NOTES: 1. IA15-3"-HS 2 1/2"X2" 2 1/2"X2" CCW-37-2 2 1/2"X2" 2 1/2"X2" CCW-37-1 CCW-26-1 CLOSED COOLING PUMP SKID CCW-27-1 CCW-26-2 EXPANSION TANK CCW-24-2 DPS 7997-2 CCW-23-2 IA15-3"-HS P-231A CH34-2"-JF EXPANSION TANK CCW-38-1 CCW-25-1 CCW-24-1 DPS 7997-1 CCW-23-1 CCW-22-1 PI 7997-1A P-230B P-230A CH32-2"-JF 15 CCW-30-2 CCW-42-2 CCW-33-2 CCW-34-2 AV 7997-2 CCW-28-2 CCW-32-2 CCW-41-2 TI 7997-2 CH33-2"-JF 3/4" 3/4" CCW-39-2 3/4" CCW-42-1 CCW-33-1 CCW-34-1 PI 7997-1B CCW-31-1 CCW-30-1 CCW-28-1 AV 7997-1 CCW-29-1 CCW-41-1 CCW-32-1 TI 7997-1 3/4" CCW-39-1 CH31-2"-JF 3/4" 3/4" 5 4 K-115C K-115A K-115B AI-1114-1 AI-1095-1 AI-1095-2 K-116B 16 FLUID COOLER CCW-36-2 K-116A 3/4" 3/4" OUTSIDE INSIDE K-116C 15 FLUID COOLER 3/4" 3/4" INSIDE OUTSIDE COMPRESSED AIR IA15-3"-HS M-131 NH-36049-2 (D,8) COMPRESSED AIR IA15-3"-HS CCW-36-1 3 M-131 NH-36049-2 (D,3) FROM PT-7999B FROM PT-7999A M-131 NH-36049-2 (D,3) 2 NH-36049-1 1 SCALE: NONE REV 82 MONTI CAD DWG ` ' M-131 AP A B A/R C BJR 3-11-08 RMG 3-12-08 01121715 JJP 3-4-08 RKJ 5-1-08 DJP 5-1-08 14915 CLT 10-20-09 BAL 10-20-09 JJP 10-19-09 14882 AJD 1-26-10 DDW 1-26-10 JJP 1-25-10 JJP 5-1-08 DWN: APPR: CHK: EC DWN: APPR: CHK: 80 EC APPR: CHK: 79 DWN: EC CHK: APPR: DWN: 78 1011 D REVISIONS JD 8-17-06 01036321 JJP 8-17-06 BAL 8-17-06 11951 1 8773 76 EC EC A/R DWN: CHK: APPR: 77 JJP 2-8-10 DDW 3-2-10 RLP 3-2-10 14882 CHK: APPR: EC 81 DWN: 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 21889 APPR: MLW 4-7-14 CHK: DWN: BAL 4-4-14 JJP 4-3-14 82 EC 82 82 T-230 82 T-231 82 T-232 RV 1130-1 RV 1130-2 RV 1130-3 82 82

D C B A M-131 > r-9-tlt----1 NH-36049-1 (D,2) M-131 > NH-36049-1 (C,2) M-131 > NH-36049-1 (A,2) I < I <( I <( I <( I < (D I r--

0) 0 -

...J L,J Ul Ul L,J < -"' -I (/) ...J L,J (/) ~ -0, DRY ME-1 > -0, ~ DRY ~ ME-I Ul ...J L,J (/) Ul L,J > -0,

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"' ME-3 -I Ul Al-1101-3 OUTLET VALVE ASSEMBLY 7 ...J L,J Ul (/) L,J 1f PURGE REGEN (D EXHAUST ME-1,:;; -I (/) ...J L,J (/) Ul 1f ~ PURGE EXHAUST -I Ul I I I I I I I -I < I <( -I < CCCLI... CD I I I ,... r-- ~;::: ~ I Al-1102-3 I I I I Al-1106-1 IA 19-1 2"-JF Al-1106-2 2"-JF Al-1106-3 '-------I--~_ ~1 !_0~-2._ _____ __: ~ __ << __ _J SV-1507 & CV-1507 ( M-131 > /-------7 NH-36049-3 I (C,6) SV-1470 & CV-1470 ( M-131 > /-------~ NH-36049-11 r-7 (C,7) SV-1472 & CV-1472 I I ( M-131 > /-------~ NH-36049-14 I (D,B) SV-1469 & CV-1469 ( M-131 > /-------J NH-36049-3 (D,5) 8 IA19-1 2"-JF I-AIR-P-25 L!J 7 6 ORW ORW 6 Al-1110-1 3/4" 5 TO ATM

1.

INST. & SERVICE AIR RECEIVER IA17-3" -JB ~- T-39E ~ LL I ' -I co ~ IA17-3"-JB TO OPEN RAD WASTE DRAIN IN MACH. SHOP V (M-137) I ORW NH-36043 (C,5 Al-1117-1 1; 4* Al-1108-1 IA18-1"-JF Al-1109-1 Al-1110-3 3/4" IA17-3"-JB IA18-1"-JF TO ATM

1.

INST. & SERVICE AIR RECEIVER T-39G III:l Al-1117-3 1/4" IA18-1"-JF 5 6"X3" Al-1110-2 3/4" IA17-3"-JB TO ATM 1" INST. & SERVICE AIR RECEIVER 4 6"X3" ~ " T-39F fl§ Al-1117-2 1/4" Al-1109-2 6"X3" IA17-3"-JB COMPRESSED AIR BUILDING EL. 934' NON 1 E DIESEL ROOM EL. 931' a,

I

~ TURBINE BUILDING EL. 911' ~ - I <( 4 Al-1111-1 IA17-3"-JB AS-178 AS-177 VALVE INTERNALS AS-209 Al-1116 (D I I r-- ~ a, 3 TO ESB (SEQC-1) (M-131*----------------------, NH-36049-1 (D,2) TO ESB (SEQC-1) ( M-131 >----------------7 NH-36049-1 (D,2) 2 L-------------7 1 REVISIONS 076 EC7441 DWN: JJP 4-12-06 CHK: BAL 4-13-06 APPR: JD 4-18-06 77 EC1011 DWN: JJP 2-27-07 CHK: BAL 2-27-07 APPR: DJP 2-27-07 78 EC11984 'A/R 01113614 DWN: JJP 1-8-08 CHK: BAL 1-11-08 APPR: GEH 1-14-08 79 EC 11951 'A/R 01121715 DWN: JJP 3-5-08 CHK: BJR 3-11-08 APPR: RMG 3-12-08 r-------------------------------1 L _____________ 7 80 EC14568 DWN: JLL 7-29-09 CH K: DDW 9-22-09 APPR: BML 9-22-09 Al-753 2 -156 E,.......lf--, I-AIR-P-9 I I I I I-AIR-R-3 co I a. I ct:: 1 l!J I-AIR-P-24 l!J 81 EC14882 DWN: JJP 1-25-10 CHK: DDW 1-26-10 APPR: AID 1-26-10 82 EC14882 DWN: JJP 2-8-10 CHK: DDW 3-2-10 APPR: RLP 3-2-10 83 EC16367 DWN: JJP 3-29-11 CHK: BAL 3-29-11 APPR: DDW 3-30-11 f ::::i~~ /~la (c,7) 84 EC21453 DWN: JJP 5-10-13 CHK: PEB 5-10-13 APPR: ERN 5-12-13 85 EC21454 DWN: JJP 6-7-13 CHK: Gt.IP 6-9-13 APPR: NTM 6-9-13 JBD JD IF Al-5 2 -73 l!J 3"-JB SERVICE AIR l----l* ---'--....::....-=---1.... - ----c < M-131 > C202 I a. I ct:: 1 AS-240 I-AIR-P-14 1"-JB AS-241 NH-36049-4 (D,4) SERVICE AIR M-131) NH-36049-4 (D,3) Al-197 I-AIR-P-30 AIR SET TO SV-4151 ...--{XI-,-! t-----f(M-2500) NH-100320 (D,5) I-AIR-P-35 L!J I-AIR-P-31 Al-192 TO SV-4152A '-----D<I-----IH><t-ri t------1 <M-2500) AIR SET NH-100320 TO (D,4) EP-4152A _t::::;:;:::;;::::;::~-----( (M-2500) I-AIR-P-36 NH-100320 L!J TO SV-41528 L....{Xl-,--1 t-----f(M-2500) (D,4) NH-100320 TO (C,4) EP-41528 _t::::;:;:::;;::::;::~-----( (M-2500) I-AIR-P-37 NH-100320 (C,4) L!J 86 EC23889 DWN: JJP 4-14-17 CHK: BAL 4-14-17 APPR: SJH 4-14-17 87 EC 6MOD00027208 DWN: NJM 8-10-17 CHK: NJF 8-11-17 APPR: AIR 8-11-17 COLOR LEGEND -ASME CLASS I /QUALITY GROUP A -ASME CLASS 2/QUALITY GROUP B -ASME CLASS 3/QUALITY GROUP C QUALITY GROUP D SAFETY RELATED MECHANICAL SAFETY RELATED ELECTRICAL This map/document is to assist employees in the performance of their jobs. M-131 Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's.,_M_O~N=T~I -c-A=D-DW-G~~V-.-1 P&ID INSTRUMENT AIR SYSTEM SCALE: NONE REV 87 D C B A 3 MONTICELLO NUCLEAR GENERATING PLANT & Xcel Energy-2 NH-360149-~

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

3 INTERMED STOP TEST SOLENOID
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

11B HEATER DUMP
11A HEATER DUMP SV-1012 FOR CV-1012 AI-418 AI-647-1 AI-413 TEST SOLENOID AI-416 AI-426
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

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

12 AIR EJECTOR TURNING GEAR CV RELAYS SUPPLY TO
11 AIR EJECTOR TEST SOLENOID

#2 INTERCEPT

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 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

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

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 SIDING & DRAIN TRANSFORMER 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 92 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 92

AS-223-1 AS-223-4 AS-223-3 AS-223-9 AS-223-6 AS-223-7 AS-223-8 RELIEF VALVE TEST STAND (D,4) NH-36047-2 M-141-2 DRYWELL EQUIPMENT REBUILD 1001' SNUBBER R.B. 1001' STORAGE AREA 1001' TOOL HATCH HOOD FUME AS-143 AS-170 PUMP RM. AS-146 AS-154 AS-158 AS-128 AS-126 AS-66 CLEAN TOOL HOT TOOL CRIB AS-138-2 AS-138-1 CRIB AS-247 MG SET ROOM A B AS-148 C AS-210 REFUEL FLOOR NORTH WALL 8 WEST WALL REFUEL FLOOR R.B. EL. 1001' NORTH WALL HOSE STATION ISOL. R.B. EL 1001' AS-172 WEST WALL R.B. EL. 1001' AS-149 R.B. EL. 1001' DECON. AREA AS-152 AS-151 AS-27-1 AS-35 AS-179 AS-42 AS-150 R.B. EL. 1001' R.B. EL. 1027' R.B. EL. 962' R.B. EL. 985' R.B. EL. 1001' AS-184 AS-27 DRAIN AS-155 AS-28 AS-41 EL.962' NH-36049-4 D 8 AS-16 AS-40 R.B. EL. 962' R.B. EL. 935' AS-159-9 AS-159-10 REACTOR BLDG. POOL CONNECTION RADWASTE PUMP CAPPED IN AS-139 AS-137-3 AS-137-4 AS-137-5 AS-137-2 AS-137-1 AREA ISOLATION LAUNDRY/SNUBBER R.B. EL 1001' EAST WALL RM EL. 985' DEMIN. T-65 TO WASTE COLL. NH-36045 M-139 AS-159-6 AS-159-5 AS-135 AS-142 AS-136 AS-188 REFUEL FLOOR EAST WALL 7 AS-171 PUMP ROOM FUEL POOL C-217 RACK SAMPLE REFUEL FLOOR SOUTH WALL AS-147 CRD REPAIR AS-159-3 MG SET AS-159-4 985' AS-140 AS-159-2 AS-19 AS-159-1 ROOM AT CGCS AS-249 985' WEST 985' AS-141 TANK T-200 NH-36253 EL. 962' ROOM OUTSIDE (D,1) STANDBY M-127 LIQUID EAST WALL R.B. EL. 1001' AS-156 AS-160 6 TO WASTE COLL. FILTER T-25 (E,5) NH-36045 M-139 ROOM AREA CRD PUMP R.B. EL. 962' STEP-OFF STEAM CHASE PAD AREA AS-159-7 NORTH WALL AS-159-8 AS-25 AS-43 (C,3) AS-44 AS-159-14 AS-159-13 MACHINE FUEL PREP. TO RWCU FIL/DEMIN. T-202 A & B NH-36255 CRD REPAIR AREA - 935' AS-159-11 OUTSIDE REACTOR CLEAN-UP PUMP ROOM AS-159-12 AS-47 (E,1) M-129 FIL./DEMIN.T-47 (E,1) NH-36257 M-136 A & B TO FUEL POOL NORTH AS-130 AS-215 AS-238 AS-239 AS-242 AS-244 TO 947' RW AS-161 AS-162 5 AS-257 AS-174 AS-164 AS-201 AS-206 AS-207 AS-173 AS-163 AS-203 AS-202 AS-204 M-141 NH-36047-1 RW SHIPPING AS-159-15 ADDITION NH-36047-1 M-141 SHIPPING RW BLDG. AS-216 FUEL PREP. MACHINE AS-205 AS-208 SOUTH AS-132-3 AS-220 AS-221 AS-132-2 AS-132-1 AS-214 AS-217 AS-218 AS-219 TO (A,4) (E,1) BLDG RW BLDG 935' AS-38 AS-70 AS-131 AS-55 AS-57 AS-54 AS-56 VALVE TORUS TOP/BOTTOM AS-186 AS-187 SERVICE AIR ISOLATION

11 RHR ROOM AS-81 AS-79 AS-80 RCIC RM.

AS-185 AS-127 AS-78 L.C. WALL EAST 935' 7 AS-66-4 AS-66-1 AS-66-3 AS-66-5 AS-66-2 L.C. M-143 NH-36258 (C,5) AREAS, EL. 962' EQUIP. STORAGE SOUTH WALL AS-39 X-21 AS-20 AS-129 AS-175 6 3RD FLOOR

12 RHR ROOM PUMP RM.

PUMP PUMP 12 XR 11 XR RW PUMP ROOM AS-61 AS-60 AS-169 AS-71 AS-133 AS-243 AS-59 AS-58 962' RW PS 3053 PS 3054 BREATHING AIR STATION AS-134-1 AS-62 AS-134-3 AS-134-2 REACTOR AS-223-10 5 AS-18 TURBINE 2"-65 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. SERVICE AIR IN FAB SHOP: D.C.-80Z058. AS-123 AS-118 TB FLOOR - S. WALL BY 15A HEATER AS-87-1 EL. 951' TB NORTH EL. 911' EL. 931' FAB SHOP AS-168 AS-69 AS-105 AS-104 AS-168-1 NON 1-E ROOM 1 1/2"-65 AS-13 AS-17 (C,8) AS-49 AS-14 AS-15 NH-36047-2 SOLIDS HANDLING M-141-2 C-338 RAD WASTE AREA 4 M-131 NH-36049-9 (C,6) EQUIPMENT AISLE BARREL RAD WASTE DSA-4 AS-223-5 AS-223-2 ATOMIZING AIR M-146 NH-36348 (B,5) AS-68 ROOM HTG. BLR. AS-67 AS-111 AS-110 AS-50 AS-113 AS-114 AS-119 AS-109 AS-100 AS-95 AS-72 AS-211 AS-99 AS-112 AS-98 AS-94 AS-101 AS-116 EFT 1ST FLOOR EFT 2ND FLOOR EFT 3RD FLOOR AS-121 ROOM TURBINE FLOOR E. WALL MAKE-UP DEMIN. AREA 3 AS-165 TB FLOOR SW CORNER AS-115 AS-120 DEMIN. BY-PASS TB EQUIPMENT DRN SUMP AREA COND. DEMIN. AREA TB RAILROAD ACCESS AREA A.E PURGE SUPPLY MOISTURE REMOVER HOUSE NON 1-E VALVE AREA SJAE RM TO T-33 M-141 NH-36047-1 (B,5) H2 AS-124 AS-166 AS-125 AS-167 AS-53 AS-51 AS-96 AS-97 TB DR. COOLER AREA - 911' AS-117 AS-122 1. C-213A;C-213B CYLINDER HOIST H2 HOUSE SAMPLE RACK SAMPLE HOOD C-213B SAMPLE HOOD SAMPLE RACK NOTES: (N. WALL - 911') H.P. COND. ROOM PUMP AREA 13.8 kV REACTOR FEED 4 AS-82 1 1/2"-65 AS-12 AS-11 AS-83 AS-34 1 1/2"-65 AS-93 AS-85 4 KV 5.6 AS-92 AS-84 4 KV 5.6 AS-192 3 NH-36049-2 M-131 (A,3) AS-10 AS-89 1 1/2"-65 82 18701 EC 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-131 MONTI CAD DWG ` ' NH-36049-4 P&ID SERVICE AIR SYSTEM Energy NORTHERN STATES POWER COMPANY Xcel 2 sm SCALE: NONE 1 QUALITY GROUP D COLOR LEGEND APPR: CHK: DWN: APPR: CHK: DWN: APPR: CHK: DWN: APPR: CHK: DWN: 85 83 84 19279 SMA 8-14-12 PEB 8-12-12 JJP 8-9-12 21494 JOJ 2-6-13 BAL 1-31-13 JJP 1-30-13 BAL 2-14-12 JJP 2-13-12 CLT 2-14-12 20237 CLT 4-9-13 BAL 4-9-13 JJP 4-8-13 EC EC EC 88 N A B C INTAKE STRUCTURE SCREEN HOUSE AS-88 AS-90 AS-91 AS-86 AS-87 2

11
12 APPR:

CHK: DWN: APPR: DWN: CHK: DIESEL GEN. ROOM 81 80 11006 AJD 1-25-10 JJP 1-21-10 DDW 1-25-10 14882 AR 4-29-11 DDW 4/29/11 JJP 4-29-11 EC EC REVISIONS 1 D AS-130-1 AS-29 NH-36049-2 (A,3) M-131 21398 APPR: BML 4-15-13 CHK: DWN: PEB 4-15-13 JJP 4-15-13 86 EC 22336 APPR: JOJ 10-23-13 CHK: DWN: BAL 10-15-13 JJP 10-11-13 87 EC AS-107 AS-106 AS-153 FILTER 27071 APPR: JOJ 5-26-16 CHK: DWN: BAL 5-24-16 JJP 5-24-16 88 EC 88 AS-12-1 AS-12-2 AS-12-3 AS-193

D C B A ( M-131) ~ NH-rt.it9-2 ~-----------7 ( M 131) NH-36049-2 (A,8) Al-446 AIR SET Al-10 I I I_ 7 t RACK C-208 Al-10-2 6 5 Al-378-1 .------t><I-----/ E/P 1058 FOR CV-1058 1-----t><I-----/ CV-3134-D MS DRN TK DRN 1-----t><I-----/ CV-1058-158 HTR DRN E VALVES Al-376 Al-24 T-7C VESSEL r---lXI---, 4 GENERATOR CO2 PURGE Al-92-4 Al-92-2 Al-92-1 Al-92 Al-86 3 2 Al-385 Al-839-1 Al-839-2 1----C><I----/ E/P 1246 FOR A0-1085A A0-10858 CV-1242 Al-92-3 V-MZ-4 V-AC-3A/B (DISCONNEc!TED) t RACK C-205 1-----t><I-----/ E/P 12 4 7 FOR CV-1243 Al-382 1-----t><I-----/ CV-1243 -

12 SJAE 1----C><I----/ CV-1242 -
11 SJAE A0-1579 (M-110)

NH-36041 (E,6) Al-85 TO EXCITER BEARING SPRINKLER r- -....L-* +--....L--1><:J----l SYSTEM TURBINE BLDG. SW OUTLET VAILVE STATOR CLG. SYSTEM Al-95 .----l><l---/ CV-1589 TCV H2 (M-131)l-----....l.--i)<J--""T----r-~:J---IL~l----1><1;._r-....1.-r----------------"'T""---------------------------....L...L....L...L..I--....L----* <J---------....L---------+----,r---------.L...-..L..---I ~-=~ NH-[i.it9-3 Al-168 ~ ( M-l lO > COOLER NH-3604 1 OUTLET (D,6) Al-io-3 RACK C-209 A0-7558 Al-l 70 RECOMBINER BUILDING l-----{Xl-----/(NH-54817-3) (D,8) LS-3074 < M-138) NH-36044 < NH-236609) r--l><l----1 (B,6) (D,5) ~ A0-1740 (M-107) NH-36038-4 LS-3063 (M-137) (A,4) F-10 ,-----------IXI-~ A0-2256 Al-25 Al-25-1 Al-788 FILTER F-10 OILER Al-25-2 A0-2260 FILTER A0-2306 Al-852 A0-2308 T-7A VESSEL r-.----l><J--.--------------i Al-94 AIR OPERATED VALVES EXCEPT E AND VESSEL PTs AND dPTs T - 7C VESSEL r-.---l><l----1 "K" A0-2310 Al-46 T-7E VESSEL r---l><l----1 Al-100 A0-2301 r---l><l----1 Al-82 Al-47 Al-102 + RACK C-207 E/P 1054 FOR l----[><1-----1 CV-1054 AO-Z5BZA COND. DRIP TK 1------t><I-----/ ( M-138 ) TO COND. NH-36044 (B,3) AO-Z5BZB COND. DRIP TK '-------t><I-----/ ( M-138 ) TO WST. COLL TK NH-36044 (B,3) CV-2311 A0-8001 A0-2305 L---------__;1><11----1 A0-2307 I-----D<l------1 CV-1054-138 HTR DRN '----t----l><I----/CV-1013-12A DRN COOLER DRN 1----C><I----/ CV-1056-148 HTR DRN L-----{:;<J-----lcv-1052-128 DRN COOLER DRN COND. DEMIN AIR INLET VAILVES A0-7443 <M-131 > NH-36049-9 (C,4) COND. DEMIN PRECOAT SKID COND. RECIRC. Al-364 E/P 1057 FOR r-----t><::1-----1 CV-1057 148 HTR CV-1 057 I-----D<:1-----1 DUMP 13B HTR CV-1055 '------t><::1------' DUMP r Al-370 E/P 1094 FOR CV-1094A/B HOTWELL MAKE-UP E/P 1093 FOR CV-1093A/B 1-------t><:I--------S CV-1093A HOTWELL REJECT Al-361 E/P 1055 FOR r----t><l---i CV-1055 128 DRN COOLER CV-1 053 l----l><l----1 DUMP Al-363 158 HTR CV-10S9 r----t><I-----' DUMP E/P 1053 FOR 1----l><l-----1 CV-1053 E/P 1059 FOR r----t><I------' CV-1059 SPARE SV-4171 FOR CV-4171 '----l><l---/ E/P 1 589 RACK C-212 Al-87 T-33 INST. AIR r CK C-211 LEVEL BUBBLER .------D<l----/FIC-2764 ( M-141) NH-36047-1 (B,5) '------D<l----1 FIC-2557 T-22 INST. AIR COND. DRIP TK BUBBLER A0-1825B .------D<l----1 ( M-1 04-1) NH-36035-2 <M-110) NH-36041 (D,6) (B,3) MECH. VAC. PUMP SUCTION VALVES A0-1825A '------D<l----1 ( M-104-1) NH-36035-2 (A,3) ( M-142 ) 1---l:><l----r-...,__---IXl---i AIR PURGE NH-36159 (D,6) L----t><:1-----/ H & V DAIMPERS (MOG) FUTURE CONN. MVP ROOM TEST CONN. MVP ROOM MVP ROOM A0-2927 Al-88 < M-141) NH-36047-1 (A,6) Al-90 A0-2765 (M-141) NH-36047-1 (A,5) } _,,.. < M-141) NH-36047-1 (A,6) 1 REVISIONS 076 EC0000000829 A/R 00886652 DWN: JJP 1-27-06 CHK: BAL 1-30-06 APPR: JCG 1-30-06 77 EC11951 'A/R 01121715 DWN: JJP 3-5-08 CHK: BJR 3-11-08 APPR: RMG 3-12-08 78 EC17612 DWN: JJP 2-18-11 CHK: BAL 2-22-11 APPR: CLT 2-28-11 79 EC11006 DWN: JJP 4-29-11 CHK: DDW 4/29/11 APPR: AR 4-29-11 80 EC18129 DWN: JJP 5-6-11 CH K: DDW 5-6-11 APPR: AR 5-6-11 81 EC 18171 DWN: JJP 5-18-11 CHK: DDW 5-18-11 APPR: EJS 5-18-11 82 EC18294 DWN: JJP 6-20-11 CHK: AWL 6-20-11 APPR: DDW 6-20-11 83 EC21453 DWN: JJP 5-7-13 CHK: AWL 5-8-13 APPR: ERN 5-10-13 84 EC22563 DWN: JJP 8-20-13 CHK: BAL 8-20-13 APPR: TE 8-22-13 85 EC23140 DWN: JJP 4-17-14 CHK: BAL 4-22-14 APPR: AEA 4-23-14 86 EC 6MOD00027208 DWN: NJM 8-10-17 CHK: NJF 8-11-17 APPR: AIR 8-11-17 COLOR LEGEND -ASME ClASS 1/QUALITY GROUP A -ASME CLASS 2/QUAIJ1Y GROUP B -ASME CLASS 3/QUALITI GROUP C D C B -QUALl1Y GROUP D -SAFETY RELATED MECHANICAL A SAFETY RELATED ELECTRICAL 8 7 6 5 4 3 This map/document is to assist employees in the performance of their jobs. M-131 Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's.,_M_O_N=T-1 ~C-AD_D_W~G~~B-.. P&ID INSTRUMENT AIR - TURBINE BUILDING MONTICELLO NUCLEAR GENERATING PLANT & Xcel Energy-2 SCALE: NONE REV 86

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 80 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 80 80

D C B A 7 6 5 (M-131} PS\\'----..~~~~~~-7 fsv\\ND 4 3 2 ,__~_R_EV_;S_IO_N_S __ ;-- 76 IEC8024 NH-36049-2"1£4 ~ M-131 > ( I \\1.472 (A,4)/ NH-36049-2@._r\\!!~--;,ls,. (A,8) ~- ~bi' )\\ f-R-X-BL_D_G _. /a1 \\. 935* -/ L\\__AIR SET '. I Al-449 CV 14].2 NO/FC DWN: JJP 5-17-06 CH K: BAL 5-19-06 APPR: JCG 5-22-06 77 IEC11951 I Al-38-11 '~ 1 Al-3B-Z / (M-131} L ....../11.. _) ( M-131).--------T"""'--C><,J---""T"-i:><-,J--t.1~1----i:_xt,-TTI _________________________ T""" _______________________________________________________ r-----------------. NH-36049-13 'A/R 01121715 DWN: JJP 3-5-08 CHK: BJR 3-11-08 APPR: RMG 3-12-08 NH-36049-3 I l&C -~HOP (D,8) (D,8) Al-38 I RX BLDG , l ABOVE 935' < > 1 Al-7741 78 IEC21396 DWN: JJP 5-7-13 CHK: PEB 5-8-13 APPR: WMS 5-8-13 ' "1" I X.,, Al-15 I I I I I I -L (M-118} NH-36244 (E, 1) A0-2559 (M-138}, NH-36044 ' (E,3) V-AC-7A & B', ~~-_,/1=cic <M-2510> 1 Al-38-31 ROOM 1---!X_I---I.' V-AC-6 NH-161004 ,---L-------,*K*~-:.__l-----i.' ELEC. SHOP CV-2079 (A,3) I Al-165 .-----1:xi----------i.'(M-125} I ., IAl-7731 I Al-7751 I Al-120 I E-.... I Al-121 I I Al-308 I I Al-237 I Al-239 I l---l"l><l./1-,,--,l I Al-236 NH-36251 l-'.":"'.'"c,.&---!X--1---------{,' ADMIN. BLDG. H & V } ( ) I ADMIN. CV-2082A ~-~ C,2 BLDG. I Al-275 I ( M-125 } l-!:::~:.._--1><

- 1---r------~

CV-2082B NH-36251 ,' MG. RM. H & V (C,2) I Al-319 I M-125) CV-2849 NH-36251 Al-319-1 '----l>< .,'.1-----i, V0-23 TO 26,39,40 NH-158751 (C,4) 79 IEC21453 DWN: JJP 5-8-13 CHK: AWL 5-8-13 APPR: ERN 5-10-13 Al-30 1 JB1

CV-2848}

I Al-238 (B,5) ( M-126 ) A0-2381 ACTUATOR (M-143} NH-36258 RX BLDG. EL. 985' I Al-129 I IAl-129-11 ~ 80 IEC27714 DWN: JJP 3-27-17 CHK: AIR 3-27-17 APPR: JCG 3-28-17 I Al-119 I I Al-307 I '

I Al-256 L LJ

~ I _J '-----,, 'r-----------------, NH-36252 Al-316 I CV-3268 (c,4) (C,3)

~ :(M-130}

I Al-318 I NH(C~:J 62 A0-2381 T-RING SEAL '----,cx:.~J-----'-.. t------f'--sJ------r-,---/,' < M-143) NH-36258 (C,3) I -- I Al-668 I I Al-317 I I Al-613 I (M-131) NH-36049-10,/--------{XJ-----i"--J-~ ~------j( ACCUM (C,B) Al-302 I , A0-2541A} (M-137 ) . ~ I ~--{><-*J-....L-,----------....!:::::::::::::::::::!...___.!:::::::::::::::::..._ ___________ ""T"---l*><J/::..._-3-, - I Al-303 NH-36043 A0-2377 ~ '----!X-J---l' A0-25418 (E,2) I Al-670 I Al-669 I I Al-300 I T-RING SEAL '----c;;x-;i-,-,----1~~*,-----t"'-0'--.__----,---------,----/' < M-143) A0-2377 ACTUATOR I Al-662 I Al-301 1 I Al-614 I NH-36258 (C, 1) ( M-143}.'>-------' NH-36258 (C,2) ( ACCUM} I Al-304 ,' A0-2561A}(M-l 3B} I Al-305 NH-36044 '-----1-Xl---i' A0-25618 (D,i) Al-274-21 .--t><J----i.' C-122 I Al-306 <~M---,~3~1 ) < M-131 ) NH-36049-10,/---{vXJ-"----1,"--}---,-----' ",,e--- NH-36049-1Q,/------,,:x,:f-----l'--, (C,S) Al-686 I Al-695 I I (A,B) I Al-664 I I Al-663 I Al-274 L:-:-t><J----i.' CAL AIR A0-2380 RX BLDG,___~~~ ACTUATOR &

935, Al-274-11 T-RING SEAL

,---------------~---1-----------------------------------------1,"--"-.J--~--1, < M-143) ~, < M-131) I Al-685 I NH-36258 Al-273 I I A0-2378 NH-36049-10 (B,2) , T-RING SEAL Al-666 I I Al-667 I (C,6) '----[_Xl--.....--,---t_....,--------,,-J----_.L-,----(------/, < M-l 43 ) A0-2378 , I~ I Al-665 I I Al-272 I ~----i ACCUM NH-36258 ACTUATOR (C,3) '-------------------;::==:----------------i.' < M-143) I Al-615 I < M-131) NH-36258 1 I NH-36049-10,/-----{;v><f-,----1,",,------, (C,3) (C,6) I Al-684 I Al-694 I A0-2379 I Al-270 I ACTUATOR & 4 ...,..,_ ________ l"'--..."f--_j_--/' T-RING SEAL ./ - I Al-269 ~ cos RING HEADER AROUND OUTSIDE TORUS AIR SETi\\ -~---* l1~~s1 - ' <M-143) I Al-271 I Al-683 I NH-36258 ./ ' Al-1181 r, i"A'l-"'26;;;-2"-,,

IAl-2151

'--{X--J--3 I Al-680 I Al-263 I Al-682 I r /CV\\ ~6 , CV-3267 '----l>< __:1-----1. ( M-130 }

~* Yt\\o Ve NH-46162 (C,4)

A0-2896 ACTUATOR ~-----1: (M-143} NH-36258 (C,6) I Al-265 I ~ I Al-616 I I Al-629 / I Al-631 I A0-2896 T-RING SEAL ---I< M-143) NH-36258 Al-632 t---: * (A,6) L lJ ~----1( ACCUM ) < M-131 )/- '-'"---D<'}-----l"".l-'--------~ NH-36049-10'

~

(A,6) I Al-681 I A0-2383 ACTUATOR .--------------t: < M-143} NH-36258 (B,6) A0-2383 / I Al-630 (C, 1) /' IAl-1831

A0-2382C

\\

A0-2382B
A0-2382A
A0-2382E
A0-2382K
CONT. ON (M-143}

NH-36258 (B,4)

A0-2382F RING HEADER INSIDE TORUS

.' *A0-2382G I Al-183-11 / I Al-183-21 A0-2382H 3 IN TORUS BAY 10 3 IN TORUS BAY 12 I ~-:66 J T-RING SEAL ,----.,.,--D<,J-----------'---.... ,-1-----l,".--.._I---,-------,--------/,' < M-143) I Al-822 I I Al-128 I RBFDS DRAIN I Al-671 Al-617 I r7 NH-36258 /, (B,6) CV-2384 (M-143} '----!X--1---""T""------t,' NH-36258 I Al-672 I ~-----j( ACCUM ) (A,6) I Al-267 '----H**~--1"' BY CV-2384 ~ TANK RM 896' I Al-268 I ~ TO OFF-GAS S t & STORAGE BL t-r.::=:::;;:;;:::::;:;--------1 -'--------::;:l>c:J-----'-i: ( M-142 ) & ( I IAl-123-1 I NH-36159 (C,3) I Al-245 I VENT ~? HPCI RM C-120 -. ~, I Al-14 I "I Al-673 I ( M-131) y NH-36049-10 (C,6) ( M-137 }.'l-----.----...,.-1:_>c::1--.----r---'~-:l-----=I: HPCI ROOM NH-36043 (D,6) RBEDS (M-138),'1--~ NH-36044 (D,6) ' 7 ,) ' 1,.......,.Al,--""'8"'"'19,--(' I ' CV-2046A} - / I Al-820 I (M-123}

CV-2046B NH-36249 (C, 1)

I Al-127 I I Al-821 I l---l><l-1------i. CV-2043 (M-123} NH-36249 (C,2) I Al-126 I .' CV-2394A} ( M-123} ~-: CV-2394B NH(t.:r49 RADWASTE PUMP & TANK RM. EL. 985' I Al-124 I I Al-246 I CV-3503 .----...-C_x,::1----1,' ( M-124} NH-36250 (E,4) FIC-2540 .----t: < M-137) NH-36043 (E,3) CV-2065 1--'---l><l-1----f",,.L--------------r (M-124} I Al-221 I '--------f'V-AC-8A & B I Al-122 I FIC-2558 ,----...,1><_:1--.1...--i: ( M-138} NH-36250 I Al-622 I (D,4) 1--'---1.><1:-----,----.----'---1_><1:-----'--C:)lc:1-:---,.---l: CONTROL AIR I Al-129-41 --.

I Al-136 I

~- VD-11 TO 14 NH-158751 (C,2) . ' ~ , ~ I Al-129-21 a I Al-142 I IAl-136-11 I I IAl-136-21 I Al-129-3 I L LJ I Al-241 I I Al-242 I I Al-235 I I Al-141 I I Al-139 I , A0-2944 CV-2942 .<M-145}

NH-36881 (C,2)

CV-2943 .' (M-145} NH-36881 (D,2)

HT-7242
(RETIRED)

A0-2978

(M-145}

NH-36881 (B,3) 81 I EC 6MOD00027208 DWN: NJM 8-10-17 CHK: NJF 8-11-17 APPR: AIR 8-11-17

Tl Al-130 I
(M-145}

I Al-276 I I RWCU AREA EL. 962' .._---i. 21 CONNECTIONS

RWCU F /D VALVES

& CUBICLE DAMPERS ( M-129) NH-36255 (A,3) I Al-140 I NH-36881 A0-2945 (C,5)

(M-145}
NH-36881 L-3 (D,5)

I Al-232 I ~ I Al-231 I ., TEST ~ I Al-233 I A0-2982

(M-145}

I Al-137 I

NH-36881 I Al-138 I I Al-234 I I Al-131 I CV-2385

(M-143}

NH-36258 I Al-134 I (C,6) I Al-674 I I Al-132 I I Al-677 I I Al-133 I (D,6) A0-2979 .' (M-145} NH-36881 (E,3)

HT-7243

' (RETIRED) ( M-131) NH-36049-1 D (D,6) -~ ':;t Al-676 I M-131) NH-36049-10 (A,6) CV-2791 .' (M-117} I Al-675 J\\~ _---1f ACCUM , :;t Al-679 I NH-36243 (E,6) I Al-618 I A0-2386 I ' T -RING SEAL ~ A0-2386 < M-143) fa ACTUATOR NH-36258 Al-678 I (D,6) ,' (M-143} NH-36258 ri ACCUM) (D,6) I Al-619 I A0-2387 ~ ' ,' T-RING SEAL ~ A0-2387 (M-143)

ACTUATOR NH-36258

. ( M-143} (D,6) NH-36258 (E,6) I Al-135 I DRAIN '----'-1,... ~---- RWCU PUMP ROOM COLOR LEGEND -ASME CLASS 1 /OUALIJY GROUP A -ASME CIASS 2/QUAIJlY GROUP 8 -ASME CIASS 3/QUALITY GROUP C QUALITY GROUP D SAFETY RELATED MECHANICAL SAFETY RELATED ELECTRICAL n.u ,------------------------== This map/document is to assist employees in the performance of their jobs. M-131 Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's.,..M_O~N=T~I -c-A=D~DW-G~.~J--..1 P&ID INSTRUMENT AIR - REACTOR BUILDING SCALE: NONE I REV 81 D C B A L NH/J~~44 I ~-1.25 I DRAIN L--------------------------------------....L.-------...1.1"""-----------.L...-4_..,1---HPCI ROOM 8 7 6 5 4 3 MONTICELLO NUCLEAR GENERATING PLANT & Xcel Energy-2 NH-360~9-1 ~

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

Withheld Security-Related Information Withheld Security-Related Information

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 7157 PI 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 SV 4 SV 3 SV 2 SV 1 RR51-1/2" MIN RR21-1/2" (SS TUBING) HS HEATER 17-131 RE RR24-1/2" HS C10 17-151 RM C02 4902 RR 6 HS 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 HS OG-8-3 RR25-1/2" HS 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 17-130B RE 17-130A RE 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 81 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 12513 BJR 6-26-08 BAL 6-26-08 JJP 6-25-08 01121399 12835 APPR: CHK: DWN: 77 78 EC A/R 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 81

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 2-86A AO 2-116A dPIS LEAKAGE (ISOLATION SIGNALS B,D,P) (2-77) 2-122D TS 3/4"-SP110M1 3/4"-SP110M1 2-117B dPIS V15-1"-HB A/S H C03 C02 4902 RR 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 2-121A TS 2-116D dPIS PS15-3"-EB (ISOLATION SIGNALS B,D,P) 6-51B FT TO FEEDWATER (ISOLATION SIGNAL D) C10 17-251A RM 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 17-230A RE MAIN STEAM NH-36033 M-102 C C03 (ISOLATION SIGNALS B,D,P) C10 17-251B RM (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 2-117C dPIS 2-117D dPIS C03 HS 2-121C TS PS1-18"-ED MO-3"-N14 MST100 F 2-116C dPIS C126 C126 C03 16A-S2A HS 2-121B TS REF. 6 (E,6) 1 C 3/4"-SP110M1 C126 3/4"-SP110M1 C03 16A-S6 HS 2374 MO 2-116B dPIS MS-4-1 L O C EB C ED D.C. 2-121D TS MS-3-1 TEST C126 TEST 2-122B TS PS2-18"-ED C03 16A-S2B HS C03 HS 2-122A TS C126 REF. 6 17-230B RE C C292 S39 HS 1 3 2 2-122C TS 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 C03 16A-S1B HS 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) 2-80A AO 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 2-117A dPIS (SCRAM SIGNAL REF. 3 INTERLOCK) (2-74) D119-3/4"-ED MO-3"-N14 X-8 MS-5 C126 TEST VALVE 6-51A FT LT2-3/4"-ED C L O C C03 L O C C03 XFV-9 XFV-8 ED C03 16A-S5 HS 2373 MO 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 2-86B AO 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) C03 16A-S1A HS 2-114A FE C03 HS 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 2-80B AO 2371 CV ED DC N.D. DC DCA 2-114B FE X-33C X-33B 2-115-B REF. 4 2-115-F C03 HS V15-1"-ED A/S M-131 (D,5) 2"-110 XDV-1 FW-96-1"-DBD 2376 POS 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 2-119B dPIS 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 2-118B dPIS PS3-18"-ED 2-123B TS REF. 6 2 IED PRIMARY CONTAINMENT ISOLATION STEAM JET AIR EJECTORS PS15-3"-EF CFW190 T 2-140F TT (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 2375 POS 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 CFW197 T 2-140D TE NH-36241-1 PRESSURE RELIEF TO REACTOR N-3C N-3D 2-140G TE CFW189 T 2-140G TT 2-71D RV 6" RTD M-115-1 (B,4) HIGH PRESSURE FLANGE LEAKOFF N-13 N-6A 6" 2-71H RV M-115-1 (C,4) REFUELING SEAL INSIDE OF DRYWELL PRESSURE RELIEF TO REACTOR M-115-1 NH-36241-1 (C,4) CFW198 T 2-140B TE 6" 2-71F RV TC 6" TC M-115-1 NH-36241-1 PRESSURE RELIEF TO REACTOR 2-140F TE (B,4) FW-246-6 FW-246-5 RTD NH-36049-12 2-71C RV 6" 6" REW1-1"-ED PS3-18"-ED (A,4) PS17-3"-ED C03 HS C03 16A-S1C HS 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" 2-80D AO C (D,5) SUPPLY NH-36251 M-125 1"-972 EF L O C C04 NH-36049-10 C04 HS 2-80C AO 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 2-118A dPIS L O C C03 L O C C03 LT5-3/4"-ED (SCRAM SIGNAL CONN. 1 1/2"-19 MS-161 2-119A dPIS 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. 2-86D AO C REW1-1"-EF X-28F LEAKAGE 2-86C AO (2-21) 2370 SV C TEST VALVE C126 N.D. 2 2370 CV EF HB 2-123A TS 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 2-124D TS (ISOLATION SIGNAL D) MST103 F NH-36049-15 (ISOLATION SIGNALS B,D,P) M-131 MST102 F (ISOLATION SIGNAL D) (ISOLATION SIGNAL D) C10 17-251C RM C03 DS 6-51C FT 2-118C dPIS 2-118D dPIS C03 16A-S2D HS (E,6) 2-124B TS C126 2-119D dPIS 2-119C dPIS C126 C C03 HS PS4-18"-ED 2-124A TS TEST REF. 6 C 3 (E,6) 6-51D FT MAIN STEAM 2-124C TS NH-36033 M-102 C 2-101 PI (ISOLATION SIGNALS B,D,P) C126 2-123D TS NH-36049-15 C (E,6) 2-123C TS C03 16A-S2C HS C126 XFV-1 REW1-1"-HB 1"-972 A H C04 C55 17-230C RE NH-36033 MAIN STEAM M-102 (E,6) M-131 (C,7) C03 H 2-102 PS 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 2-126D TE 17-230D RE (C,7) C10 17-251D RM C03 C03 H DS REF. 2,7,8 (D,2) C HIGH RAD TRIP TO CH. B H C03 C02 4902 RR M-128 TO REACTOR WATER CLEANUP TR-4926 NH-36254 (D,2) C02 4902 RR HIGH RAD TO CH. A 2-126C TE REF. 2,7,8 H C03 C TRIP 1 PRM127 R REVISIONS 90 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 25567 APPR: ALR 4-24-15 CHK: DWN: BAL 4-24-15 JJP 4-21-15 87 EC 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 90

(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 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

1. THIS WAS REDRAWN FROM P & ID M-117 (NH-36243) REV. M4 AND INCORPORATES CHANGES AND AS BUILT INFORMATION BASED ON THE RECIRCULATION PIPING REPLACEMENT PROGRAM.

2. FOR SAMPLE SYSTEM DETAILS SEE M-185 (NH-36908).

REFERENCE DRAWINGS:

1. RECIRCULATION FLOW CONTROL F.C.D. (GE 729E203) 5828-APED-2A-7 & 8

2. RESIDUAL HEAT REMOVAL SYS. F.C.D. (GE 729E587) 5828-APED-10-5, 6 & 7

3. NEUTRON MONITORING SYSTEM IED (GE 728E993) 5828-APED-7-2 & 3

4. VARIABLE SPEED RECIRC. PUMPS

& M/G SET ELEMENTARY DIAGRAM 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 P&ID RECIRCULATION LOOPS NUCLEAR BOILER SYSTEM NORTHERN STATES POWER COMPANY Xcel DRR #MO-84-369. REF. 2

5. POWER RANGE NEUTRON MONITORING SYSTEM ELEM DIAGRAM NOTES:

PS 2-128A DCA CLOSE SHUT DOWN XR-6-2 DECONN. 2"-ECB 2"-ED XR-7-2 REW29-2"-ECB CONN. dPT 2-111B dPS 2-155B C18 A dPI 2-156B C04 E/S 2-161B B PUMP RUNNING INTERLOCK dPIS 2-136B C74 MO 2-53B BKR 4330 DCA HBB MV/I 2-150B C18 3/4"-DCA XR-14-2 TO RHR SYS INTERLOCK REF. 2 REF. 1 F.C.D M.G. SET INTERLOCK 6 1"-972 XFV-62 DC DCA DECONN. (TYP.) RECIRC. LOOP NH-36243-1 TE 2-107B 2" DCA CONN. (C,6) M-117 D129-3/4"-DCA X-32B X-32A 3/4"-DCA XR-11-2 3/4"-DBD XR-12-2 3/4"-19M3 XFV-61 1"-972 EF ECB DCA DBD XR-13-2 REW13B-19-1"-DCA SD-2-2"-DBD CRW 3/4"-HBB T REC135 TR 2-167 C04 dPIS 2-139B 3/4"-19M3 X-32D dPIS 2-138B dPIS 2-137B C74 C74 TI 2-151B C04 DCA EF PUMP P-200B RECIRC. 12 ECB ED 1"-972 XFV-63 5 C74 CRW REW13B-21-1"-DCA XR-31-2-A RECIRC. LOOP (B,5) M-117 NH-36243-1 XR-5-2 3/4"-HB REW13B-5-1"-ECB PS 2-128B F.C.D. INTERLOCKS REF. 1 ISOLATION VALVES HS 4330 C04 COOLING M-121 NH-36247 (C,6) HS 4329 C04 C122 CRW REW13B-28"-DCA 3/4"-19M3 BKR 4329 MO 2-43B XFV-68 1"-972 DCA DCA X-51C DCA EF PUMP RUNNING INTERLOCK C73 T REC140 TT 2-157B RTD TE 2-125B T REC138 4 TE 2-125A TT 2-157A RTD 3/4"-ECB EBD ORW ECB XR-2-2 XR-1-2 3/4"-EBD REW13B-3-1"-DCA ECB 3/4"-ECB XR-1-1 XR-2-1 3/4"-EBD ORW EBD HBD 1"-972 XFV-60 REW13A-3-1"-ECB XR-31-1 EBD ECB XR-7-1 DECONN. CONN. 2"-EBD CRW XR-6-1 REW28-2"-ECB 2"-ECB (TYP.) dPIS 2-136A 3/4"-19M3 X-31D RECIRC. LOOP NH-36243-1 M-117 (B,3) ECB EF P-200A PUMP RECIRC. 11 REW13A-28"-DCA 3/4"-ECB ECB CRW HBB XR-5-1 MO 2-43A BKR 3329 REW13A-1-1"-ECB HS 3329 C04 2" DCA X-31A X-31B D128-3/4"-DCA TR 2-167 C04 T REC134 dPIS 2-137A 3 C73 dPIS 2-138A C73 TI 2-151A C04 TO RHR SYS INTERLOCK REF. 2 dPIS 2-139A C73 RECIRC. LOOP M-117 NH-36243-1 (C,2) TE 2-107A MV/I 2-150A C18 3/4"-DCA XR-14-1 F.C.D. REF. 1 INTERLOCKS HS 3330 C04 SD1-2"-DBD REW13A-15-1"-DCA CRW 3/4"-HBB XR-13-1 MO 2-53A DCA HBB BKR 3330 dPS 2-155A C18 2 REF. 1 F.C.D M.G. SET INTERLOCK DECONN. CONN. dPI 2-156A C04 XFV-58 dPT 1"-972 DBD 3/4"-DBD XFV-59 1"-972 3/4"-19M3 DCA DC ECB EF C58 XR-12-1 3/4"-DCA DCA XR-11-1 E/S 2-161A C18 2-111A 3/4"-CCA NH-36243 SYSTEM L O C C04 SX 3024 3/4"-130M3 3/4"-130M3 HWC-16 HWC-15 NX-32779-7 (H,13) TO CAV C D C217 C L O C C03 E 5 6 SHUT DOWN RETURN DC DB XR-15-2 3/4"-DBB REW22-1-1"-DCA C04 16A-S7 HS (B,4) DC DCD M-131 NH-36049-12 DC DCA 3/4"-130M3 (A,3) FT 2-110F APRM CH 3 C37 CE 3013 C57 AE 4292 M-128 NH-36254 (A,4) C217 C217 FT 2-110H APRM CH 4 C37 C57 CIT 3013 AIT 4292 C217 C217 DBB 1" DC ORW APRM CH 2 C37 FT 2-110D FI 2-159B C04 C57 C REC146 Ca REC151 FR 2-154 C04 FT 2-110B APRM CH 1 C37 C57 RHR SYSTEM XR-23 NH-36246 (D,1) M-120 TO CR-12-144 AC 1"-972 CV 2791 M-185 NH-36908 (D,7) (2-40) NH-36254 M-128 XFV-72 SV 2791 1"-972 XFV-70 1"-972 1"-972 XFV-73 XFV-69 NH-36049-14 (B,2) M-131 C04 16A-S8 HS X-41 SIGNAL ISOLATION F.D. 3/4"-19M3 DLA DCA EF ED DC DCA 18" DCA REW13B-17 -1" DCA REW13B-15 -1" DCA REW13B-28"-DCA M-128 NH-36254 TO REACTOR WATER CLEANUP (C,8) XFV-64 1"-972 C122 XDV-8 XFV-65 1"-972 TW20-16"-DLA 3/4"-19M3 RHR-6-2 L.O. VCA XDV-7 XFV-67 1"-972 RC-1 X-50B REW3-4"-VCA X-51B TE 4387 XE 4381 4" FE 2-109B X-50C SPARE TAPS REW22-1-1"-DCA REW23-1-1"-DCA REW21-1-1"-DCA REW20-1-1"-DCA L O C C04 REW19-1-1" DCA X-52A SV 2790 3/4"-130 XR-24 TEST CONN. AC (2-39) DCD DC CV 2790 X-51E X-52B X-51D TEST CONN. TW40-4"-DBA C DC DCD L O C C03 XR-35 DCD DCA XR-34 REW32-22" DCA 28" X-52D X-52C 3/4"-19M3 X-51A REW13A-9-1"-DCA TW30-16" X-51F RHR SYSTEM SHUT NH-36247 DOWN SUPPLY (D,6) M-121 4 BKR 3331 REW18-12"-DCA REW13A-28"-DCA REW14-12"-DCA REW15-12"-DCA REW16-12"-DCA REW17-12"-DCA BKR 4331 REW31-2"-ED BKR 3332 MO 4086 MO 4085B REW13B-1-1"-DCA REW31-2"-ED NX-32779-7 TO CAV SYSTEM 2"-19 XDV-4 HS 3332 C04 HS 4331 C04 HS 3331 C04 REF. 2 F.C.D. INTERLOCKS MO 4085A N-1B REW23-12"-DCA REW13B-28"-DCA XR-17 REW22-12"-DCA REW21-12"-DCA REW20-12"-DCA REW19-12"-DCA NUMBERING C.B. & I. NOZZLE N-2J N-2K N-1A VESSEL N-15 REACTOR N-2B N-2A N-2H N-2G N-2F N-2E N-2C N-2D REW13A-11-1"-DCA TW40-4"-DBA REW10-18" FE 2-109A SPARE TAPS REW13A-28"-DCA RHR-9 L.O. 3/4"-19M3 X-52F 18" DCA REW13A-28"-DCA REW32-22"-DCA REW17-1-1"-DCA REW18-1-1"-DCA RHR-6-1 X-52E REW17-1-1"-DCA DCA DC TW40-4"-DBA L.O. REW15-1-1"-DCA REW16-1-1"-DCA REW14-1-1"-DCA 2 3 dPIS 2-129D APRM CH 3 C37 APRM CH 2 C37 APRM CH 1 C37 XFV-76 3/4"-DBD XR-15-1 FT 2-110A 1"-972 XFV-77 C58 ORW DCA DBD 1" DC FT 2-110C C58 FT 2-110E C58 RHR SYSTEM SHUT DOWN RETURN NH-36247 (C,5) M-121 1"-972 FR 2-154 C04 DCA DC 1"-972 FI 2-159A C04 XFV-75 1"-972 XFV-74 1"-972 XFV-71 1"-972 XFV-66 C122 APRM CH 4 C37 FT 2-110G C58 dPIS 2-129A dPIS 2-129C C121 C121 dPIS 2-129B C122 INTERLOCKS TO RHR SYSTEM LPCI LOOP SELECT NH-36243 REV NX-7830-2-1 & 2, NX-7830-4-1 THRU 4 (GE 730E166) 5828-APED-2E THRU 12 NX-7831-22-1 & 2, NX-7831-21-1 & 2 MONTI CAD DWG ` ' M-117 NX-236544-1-10 THRU 13 SCALE: Energy sm 1 NONE NX-7905-6-1, 2 & 3 NX-7831-80-1 THRU 10 (GE 105E1503NF) SHT 10-13 AH 85 A B 1 (TYPICAL CLASS CHANGE LAST BLOCK VALVE) DB OR ED HB DN 5-1-09 MAC 5-1-09 AVW 7-13-09 BAL 6-15-09 JJP 6-11-09 RKJ 5-1-09 APPR: CHK: DWN: APPR: CHK: DWN: 78 EC 79 EC 10856 14391 AVW 2-27-09 BAL 2-26-09 JJP 2-25-09 BJR 3-11-08 RMG 3-12-08 JJP 3-5-08 A/R CHK: APPR: APPR: CHK: 77 EC DWN: DWN: 76 EC 13693 REVISIONS 01121715 11951 C D E 17902 APPR: DZ 5-23-11 CHK: DWN: BAL 5-23-11 JJP 5-23-11 80 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 18123 APPR: MLW 3-20-14 CHK: DWN: BAL 3-20-14 JJP 3-11-14 81 EC 25011 APPR: RAD 1-28-15 CHK: DWN: BAL 1-28-15 JJP 1-28-15 82 EC PAGE 3 ADDED TO.PDF DOC. XR-31-2 XR-31-1-A XR-32-2-A XR-32-2 XR-32-1-A XR-32-1 XR-33-1-A XR-33-1 XR-33-2-A XR-33-2 23857 APPR: MJW 5-2-15 CHK: DWN: ESS 5-2-15 JJP 4-13-15 83 EC 25784 APPR: FM 6-18-15 CHK: DWN: BAL 6-8-15 JJP 6-3-15 84 EC 3 4" DC 3 4" DC 3 4" DCD 3 4" DCA 3 4" DCA 3 4" DCA 3 4" DCA V85-3/4"-DCA 3 4" DC LT10-3/4"-DC 3 4" V83-3/4"-ECB V82-3/4"-ECB SL17-3/4"-HBB V84-3/4"-DCA V84-3/4"-DBD SL13-3/4"-HBB SL14-3/4"-HBB REW32-1-3/4"-DCD SL18-3/4"-HBB HB HBB XR-5-3 3/4"-HB 85 EF APPR: 600000538403 CHK: DWN: 600000538411 NJM 5-5-19 85 601000001534

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

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

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 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 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

SPARE 3-312 FE 3-208 CRD-16-1 FT 3-209 4199B FI 4200B 1-1/2"-19M3 1-1/2"-19M3 CRD-164 1 1/2" CST-146 PI 7334 INTERLOCK FROM CST'S M-108 RV 4952 TURBINE BUILDING NH-36039 HIGH POINT VENT HIGH POINT VENT A (A,5) (A,4) B FROM COND M-105 LINE NH-36036 (ORW) TO MVP ROOM C D 6 RV 3-14A ORW

12 FILTER CRD-61-2
11 FILTER CRD-61-1 CRD-58-1 CRD-175 CRD-174 CRD-173 CRD-1 PI 4953 PCV 4951 3x1 1/2" GB HB REACTOR BUILDING CRD-177 CRD-176 CRD-69 TO AI-162 (B-1)

ORW ORW CRD-59-2 CRD-57-2 CRD-59-1 A H C05 dPIS 7399 CRD-21 1"-130M3 CRD-141 CRD-142 1"-19M3 1"-130M3 NH-36242-2 TO BACKFILL NH-36245 NH-36245 (B,4) M-119 (E,5) M-119 CRD-15 CRD-57-1 CRD-60-1 1"-130M3 (D,5) SYSTEM M-116-2 dPIS 7398 A H C05 CRD2 -1"-DC 1D 0D CRD2 -1"-DC 1/2"-DC 1/2"-DC PI 3-236B YS 3-15B PI 3-236A CRD-2-1 SV 3-20 AO 3-20 C18A-4"-HB 1" CRD-2-2 CRD-58-2 ALT BORON C18-4"-HB CRD-60-2 C18B-4"-HB INT A PS 3-201A YS 3-15A C C05 PS 7400 L L PUMP A PS 3-201B C05 C CRD-52-2 INTERLOCK PUMP PS 7401 CRD-51 CST-157 CST-154 NH-36039 (D,6) M-108 FROM CONDENSATE SERVICE SYSTEM 2" 1" 0C CRD2 -1"-DC 1 1/2" 1C CRD2 -1"-DC (TYP) SW SW (TYP) CUNO FILTER PI 7333 CST-157-2 CST-157-1 STANDBY 2" 0B CRD2 -1"-DC 1B CRD2 -1"-DC 1" NH-36039 CRD-7-1 CRD10A-1"-DE 3-313 FCp B C C W R SEE REF DWG #3 AND #4 WATER PUMPS CONTROL ROD DRIVE 5 CRD-52-1 CRD-47-1 CRD-49-1 ORW CRD-46-1 PI 4375A CRD-50-1 4 CRD-6-1 CRD-45 3/4"-19 HYDRAULIC CONTROL UNITS DRIVE WATER HEADER HYDRAULIC CONTROL UNITS COOLING WATER HEADER CHARGING WATER HEADER HYDRAULIC CONTROL UNITS ACCUMULATORS 5600 CRD-49-2 CRD-54-2 CRD-48-2 11 CRD PUMP P-201A CRD-53-1 A C05 H C CRD-53-2 ORW CRD-48-1 B W C C 3B-S4A HS VC VS 5600 R INCREASER SPEED PUMP MOTOR BKR 152-506 CRD-47-2 ORW CRD-50-2 CRD-46-2 B C C W R PUMP CRD12-1 1/2"-DC 12 CRD PUMP P-201B HS 3B-S4B CRD8-2"-DC CST-147 C05 C RV 3-14B VC 5601 A H CRD5-1"-DC 1/8"/FT SLOPE 1/8"/FT SLOPE 0A CRD2 -1"-DC 1A CRD2 -1"-DC BKR 152-606 MOTOR 1/8"/FT SLOPE W R C C B VS 5601 INCREASER SPEED CRD-82-2 CRD1-2"-DE CRD-5-1 CRD1A-2"-DE CRD-4-1 CRD-3-1 CRD-3-2 CRD-5-2 CRD-4-2 CRD1B-2"-DE CRD-167 CRD-166 CRD-82-1 CRD-83-1 CRD-165 CRD-169 CRD-168 CRD-83-2 PI 3-223 FI 4909 HB DE (B,2) CRD-6-2 CRD-7-2 NH-36039 STORAGE TANKS M-108 RECIRC TO COND PI 4375B CRD10-1"-HB 3-24B RO DE HB M-108 (C,6) 3-306 C05 FI 3/4"-SP-110M1 XR-26-1 XR-22-1A XR-24-1 SUPPLIED WITH EQUIPMENT POST FILTERS (D,4) NH-36243-1 M-117 RECIRC PUMP TO #11 XR-25-1 XR-28 XR-23-1 ORW 3 XR-25-2 XR-23-2 ORW CRD-154 CRD-13-1 C 3/4" M130 PUMP TEST BYPASS S.W. CRD-13-2 CRD-12-2A L CRD-11-1 FILTER #12 3-24A RO T CRD100 TE 5046 CRD-95 CRD2B-2"-DC DE HB 2"-SP-110M1 CRD-10-2 DE CRD-99 CRD-98 CRD10A-1"-HB CRD-97 CRD-96 CRD2A-2"-DC DE CRD11-2"-DE dPIS 3-202 A H C05 DE DC F-200B (3-17B) CRD-156 VENT 1" M110 CRD-11-2 YS 3-18B CRD-12-2 C DE DC CRD-10-1 3/4"-SP-110M1 CRD-155 2"-SP-110M1 (3-17A) FILTER #11 VENT F-200A CRD-12-1A CRD-12-1 YS 3-18A 2"-110 CRD-8 FT 3-212 CRD-163 C05 A PI 3-234 FLUSH CONNECTION E/S 3-309 CRD3-2"-DC 3-310 FI 3-206 PT 3-205 XR-21 XR-22-1 RV 4201A FI 4200A 4199A FE 3-203 PI 4203A FR FT 3-204 ORW 3-302 C05 PI FCp 3-311 F CRD101 2"-19M3 RV 4201B XR-22-2 FR CRD-17 S.W. CRD-16-2 FI 3-301 FC PI 3-219 CRD-14 RO 3-28 3-308 PI 3-233 PS P CRD102 CRD-20 1"-130M3 CRD-143 AI-216-1 NH-36244 HYDRAULIC CONTROL UNIT (TYP FOR 121 UNITS) HIGH POINT VENT HIGH POINT VENT E 1"-JD CRD-42 (TYP) LOW POINT DRAIN NH-36245 NH-36245 1"-110 CRD-43 (E,4) M-119 (E,6) M-119 NH-36245 TO INDIVIDUAL M-119 (A,6) CRD23D-1"-DE 2D CRD2 -1"-DC 1/2"-DC 1/2"-DC DC DE AI-216-4 1/2" 6 1" 2C CRD2 -1"-DC CRD23C-1"-DE SW (TYP) (TYP) SW AI-216-3 1" 2B CRD2 -1"-DC CRD23B-1"-DE 1" AI-216-2 1"-JD 1" VENT AND DRAIN SOLENOID VALVES TO SCRAM DISCHARGE VOLUME 1"-CCD (B,3) NH-36245 M-119 CRD-148-2 VALVE PILOT AIR HEADER HYDRAULIC CONTROL UNITS SCRAM HYDRAULIC CONTROL UNITS EXHAUST WATER HEADER 1 1/2"-JD 1/8"/FT SLOPE CRD9-1"-DE 1/8"/FT SLOPE 2A CRD2 -1"-DC CRD23A-1"-DE 5 PI 3-220 PI 3-226 4 PS 3-230 3/4"-JD CRD-80-1 CRD-80-2 CRD-81 FE 3-213 DRAIN C292 C L AI-16-11 PS 4111 RV 7364B RV 7364A AI-16-8 PI 3-229 AI-16-10 L AI-16-9 3-142A ND AI-16-7 1 1/2"-259 CRD-79-1 CRD-79-2 1 1/2" A C05 L H SV 3 1" 1" 1 1/2"-259 AI-16-6 3-142B ND SV (D,6) CRD-40 CRD-29 3"-SpN10 INSTRUMENT AIR SUPPLY 1/2"-JD 100 PSIG CRD HYDRAULIC SYSTEM PROCESS FLOW DIAG. (GE 729E259) 5828-APED-3-21-2 NX-7866-32 FOR ADDITIONAL PIPING FOR TYPICAL INDIVIDUAL HYDRAULIC CONTROL UNIT SEE DRAWING No. M-119, NH-36245 ALL SCREWED CAPS MARKED S.W. MUST BE SEAL WELDED FOLLOWING FLUSH AND CHECKOUT TESTS. 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 CONTROL ROD HYDRAULIC SYSTEM P&ID CRD HYDRAULIC SYSTEM F.C.D. (GE 729E449) 5828-APED-3-28 CRD6-1"-DE (SHOWN WITH AUTO AIR LOADING) NH-36243-1 M-117 TO #12 RECIRC PUMP XR-26-2 XR-24-2 XR-22-2A (D,4) PI 4203B 2 Xcel CRD-18-2 1"-130M3 L O C C05 CRD3B-1 1/2"-DC CRD-19 CV 3-19A 1/2"- 1/2"- FLOW CONTROL STATION CV 3-19B E/P 3-207B CRD3A-1 1/2"-DC AI-56 E/P 3-207A SET AIR AI-55 S.W. AIR SET HS 3B-S1 C05 L O C C05 CRD-18-1 CRD4-1 1/2"-DC CRD-27 3-23 CRD-24 3-21 3-305 FI 3-214 FCp C05 FI CRD5-1"-DC 1-1/2" 3"-SpN10 DC DE 1-1/2" dPT AI-20 PCV 1479 3-240 E/S 1/2"-73 REFERENCE DRAWINGS NOTES: PI 3-210 3. 2. 1. 1. 2. dPI 3-224 PCV 3-133 1/2"-73 AI-19 CRD-146 PI 3-228 3-211 3-303 C05 dPI (B-6) TO SV-3-20 AI-164 AI-162 1/2"-JD CRD-28 1"-110 HS 3B-S3 C05 1"-7 E/S 3-241 MO 3-20 CRD-22 BKR-4103 1-1/2"-19M3 CRD-23 1-1/2"-19M3 dPI 3-217 CRD-147 HS 3B-S2 C05 C216 3-304 dPI C05 BKR-4104 CRD-26 CRD7-1-1/2"-DE CRD-25 1-1/2"-19M3 MO 3-22 1-1/2"-7 3" DE DRAIN dPT 3-218 C216 S.W. SYSTEM FLUSH CONNECTION FI 3-216 STABILIZING FE 3-235 (NOT IN SERVICE) CRD-37-1 3-25A VALVE ASSEMBLY NE NH-36244 MONTI CAD DWG ` ' M-118 SCALE: sm NONE 1 REV 89 AL A (B,8) NH-36049-12 M-131 AIR SUPPLY STABILIZING CONNECTION SYSTEM FLUSH (NOT IN SERVICE) CRD-37-2 REACTOR CONTROL MANUAL VALVE ASSEMBLY REACTOR 100 PSIG INST 3/4"-JD M-116-1 PRESSURE 3-26A (C,6) NH-36242-1 AI-163 SEE NOTE 2 CRD-39-2 VENT CRD-38-2 DE DC 3/4"-7 CRD-36-2 3/4"-19M3 FILTER CRD6-1"-DC CRD-36-1 3/4"-19M3 FILTER 3/4"-DC CRD-41 CRD-39-1 CRD-38-1 3/4"-7 1"-110 DC DE NE ND ND S.W. 3-25B B C D CRD-31 CRD-30 3"-SpN214 3-140B CRD-62 CRD-63 3-140A AI-16-4 1 1/2"-259 1" 1"-110 AI-16-5 1 1/2"-259 VENT CRD-9 S.W. C292 ND 4110 SV ATWS ARI S32 HS 1" AI-16-3 ND C L SV C292 SV ND 2 1 1/2"-73 PROTECTION REACTOR CRD-65 CRD-64 7939 PCV AI-16-1 SYSTEM PI 3-227 AI-16-2 FILTER 3-27 AI-16 REVISIONS NH-36049-14 M-131 INSTRUMENT AIR SUPPLY 70-100 PSIG NH-36254 TO RWCU M-128 (D,8) 1 1/2"-73 AI-15 1 E CRD10B-1"-HB 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 SEE DETAIL A DETAIL A XR-21 XR-21A-4 XR-21A-3 XR-21A-5 DPI-2-1A XR-21A-2 XR-21A-1 F I L T E R XR-21B-4 XR-21B-3 XR-21B-5 DPI-2-1B XR-21B-2 XR-21B-1 F I L T E R F-18A F-18B 1/2" TUBE CRD-3-220 CRD-3-221 1" 26902 APPR: SHU 9-16-16 CHK: DWN: BAL 9-16-16 JJP 9-15-16 84 EC 26787 APPR: SJH 4-14-17 CHK: DWN: BAL 4-14-17 JJP 4-7-17 85 EC XR-21B-D XR-21A-D 26888 APPR: TKN 5-10-17 CHK: DWN: BAL 5-1-17 JJP 5-1-17 86 EC

3. XR-25-1 AND XR-25-2 ARE PISTON STYLE CHECK VALVES PER ECR601000001449.

SEE NOTE 3 601000000215 APPR: AJR 10-10-17 CHK:

DWN: BAL 10-10-17 NJM 10-10-17 87 EC AI-19-2 AI-20-1 AI-19-1 601000000410 APPR: DAM 1-24-18 CHK: DWN: BAL 1-24-18 JJP 1-24-18 88 601000001449 APPR: 600000537608 CHK: DWN: 600000537659 JJP 5-3-19 89 89

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 127 CV CRD-114 A B 6 CONTROL UNIT TO HERE 4" OR 6"-DB SCRAM DISCHARGE HEADER CRD-116 "-JD CRD-112 TEST CONNECTION P5 3/4"-DC G.E. B. (E,3) (E,2) 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 CONTROL UNIT TO HERE G.E. CRD-102 P4 CRD-140 FOLLOWING BALL CHECK FLUSH INSTALL VALVE FROM N.E. X-38 SLOPE "/FT A THRU D 3/4"-DC P1 1"-DE EXHAUST WATER TEST CONNECTION CRD-105 "-DC ELEMENT 136 FILTER 121 SV 6 122 SV P2 CRD-137 CRD-103 (E,6) B. G.E. NH-36244 M-118 "-DC TO HERE 126 CV 1/2"-DC 5 TUBE FITTING N CHARGING SYSTEM 2 WITH CAP P6 129 LD ELEMENTARY PROTECTION FROM REACTOR EAST L H L C54 WEST L H L C72 CONTROL UNIT TO HERE LAH PAL C05 DIAGRAM N2 CRD-111 131 PI 130 PS L O C C05 H2O 126 POS 4 1"-DC ACCUMULATOR CHARGING WATER ACCUMULATOR 132 PSD CRW 125 (D,6) CRD-115 CRD-113 CRD-107 N2 NH-36244 M-118 G.E. B. 2444 PCV TO HERE CONTROL UNIT PCV 2445 CRD-138 CRD-104 1"-DC COOLING WATER "-DC TEST CONNECTION HIGH POINT VENT X-37 A THRU D SLOPE "/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 FILTER ELEMENT 134 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 A H C05 ORW TO HERE CONTROL UNIT FILTER ELEMENT G.E. CRD-75 (D,6) M-118 B. NH-36244 4 3-32A CV PI L O C C05 3-32C CV L O C C05 CRD-84 PI "-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 2442 RV A & B BANKS (TYP) 2 CRD-201-1 1/4"- CRD-201-2 3-232B PI 3-232A 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 "-JD 2 SCRAM DISCHARGE PIPING CHANNEL B CHANNEL A ND 3-31A SV NE 3-31C SV NE NE 3-31B SV 3-31D SV NE CRD-77 CRD-78 SLOPE="/FT NH-36043 M-137 (E,4) CRD16A-2"-CCD CCD 1"-CCD (TYP) 7428G LS 7429A LS "-CCD (TYP) 7430A LS 7428H LS (TYP) 3-33A CV L O C C05 ORW 3" 3-33C CV L O C C05 PI CRD-90 CRD-88 7428A LS CRD16A-24"-CCD PI 7428B LS 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) " DC " DC (A,6) " DC (A,6) SCRAM DISCHARGE HEADERS CRD16A-12"-CCD SLOPE="/FT L O C C05 L O C C05 NH-36044 M-138 CRD-91 CRD-89 PI 7428F LS NO. A-1 SCRAM 7428E LS PI 3-33B CV (E,4) CRW 3" 3-33D CV CRD16B-2"-CCD CCD 7428C LS CRD16B-24"-CCD 7428D LS 1"-CCD (TYP) (TYP) SCRAM DISCHARGE HEADERS ROD WITHDRAWAL BLOCK NO. B-1 SCRAM (A,6) " DC (A,6) " DC (A,6) " 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 79 M A B CRD-87 NO. B-2 SCRAM C 7429B LS 7430B LS L O C C05 CRD17B-1" CCD CRD-85 PI PI L O C C05 3-32B CV CRD-74 ORW 3-32D CV DWN: APPR: APPR: CHK: DWN: CHK: 77 76 12044 JSO 3-25-09 KEC 3-25-09 JJP 3-25-09 EC REVISIONS JJP 3-5-08 11951 01121715 RMG 3-12-08 BJR 3-11-08 EC A/R 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.}}

ML20003D126

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