Latest revision as of 17:31, 7 October 2024

Text

1 to the Updated Safety Analysis Report, Drawings
	ML24109A098
Person / Time
Site:	Monticello
Issue date:	04/17/2024
From:	; Northern States Power Company, Minnesota, Xcel Energy
To:	; Office of Nuclear Reactor Regulation
Shared Package
ML24109A128	List: L-MT-24-002, Submittal of Revision 41 to the Updated Safety Analysis Report; ML24109A083; ML24109A084; ML24109A085; ML24109A086; ML24109A087; ML24109A088; ML24109A089; ML24109A090; ML24109A091; ML24109A092; ML24109A093; ML24109A094; ML24109A095; ML24109A096; ML24109A097; ML24109A098; ML24109A099; ML24109A100; ML24109A101; ML24109A102; ML24109A103; ML24109A104; ML24109A105; ML24109A106; ML24109A107; ML24109A108; ML24109A109; ML24109A110; ML24109A111;
References
	L-MT-24-002
	Download: ML24109A098 (1)
	v • d • e

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LOSS OF LOSS OF "Y" TYPE STRAINER FREE AIR PASSAGE CONTROL AIR ATM CONTROL AIR PROCESS LINE AUXILIARY (FAIL CLOSED) (FAIL OPEN) SPECIAL ELECTRIC XJ BOILER CODE PIPING POWER SUPPLY ROUGHING FILTER INSTRUMENT SYMBOLS MISCELLANEOUS ABBREVIATIONS: RV INSTRUMENT CONTROL AIR TUBING OUTSIDE AIR PRIMARY CONTROL AUXILIARY PANEL OR BEHIND PANEL EXPANSION JOINT AC A.L. - AIR LOCK INTAKE LOUVER PANEL NORMALLY FIELD RACK NORMALLY INSTRUMENT OR A.P.E.D. - ATOMIC POWER EQUIP. DEPT. OF G.E. CO. INSTRUMENT PRIMARY LINE ACCESSIBLE TO MOUNTED ACCESSIBLE TO NORMALLY A/S - AIR SUPPLY RELIEF AUTOMATIC OPERATOR OPERATOR INACCESSIBLE FUNCTION EXCESS FLOW INSULATED (ONLY) LINES Px PRESSURE TAP BD - BALANCE DAMPER CHECK VALVE CONTROL BDD - BACKDRAFT DAMPER INSTRUMENT CAPILLARY TUBING SHARED DISPLAY, XXX XXX XXX XXX CV SHARED CONTROL, AW - ACID WASTE (CORROSIVE, CAUSTIC) FM TDR HMI XXXX XXXX XXXX XXXX CRW - EQUIPMENT (CLOSED) RADWASTE INSULATED AND HEAT TRACED LINE CENTRIFUGAL FAN D. - INDICATED DOUBLE PACKED STEM (HAND WHEEL AS SPECIFIED) OR COMPUTER FUNCTION F.A.I. - FAIL-AS-IS DIAPHRAM OPERATED CONTROL FLOW METER INSULATED (ONLY) LINE TIME DELAY XXX XXX XXX XXX F.C. - FAIL CLOSED (OPENS ON AIR FAILURE) RELAY (INCLUDING DISTRIB. XXXX XXXX XXXX XXXX F.D. - FIRE DAMPER S SOLDERED DUCT CNTL. SYS.) F.O. - FAIL OPEN CV PSD ELECTRICAL AND THERMOCOUPLE LEADS INT - INTEGRATOR T PROGRAMMABLE LOGIC XX XX XX XX L.O. - LOCK OPEN L.O. M-XXX DRAWING REFERENCE EXHAUST NH-XXXXX NSP CONTROLLED DRAWING NUMBER CONTROLLER FUNCTION XXXX XXXX XXXX XXXX L.C. - LOCK CLOSE L.C. B RUPTURE DISC (D,5) DRAWING COORDINATE COMPUTER SUPPLY M.A. - MECHANICAL ALTERNATOR B DIAPHRAM OPERATED CONTROL N. - MEETS A.P.E.D. REQUIREMENTS FOR NUCLEAR SERVICE (CLOSES ON AIR FAILURE) ANALOG INPUT FIRE PROTECTION SYMBOLS N.D. - DENOTES NORMALLY DE-ENERGIZED N.E. BURIED PIPE N.E. - DENOTES NORMALLY ENERGIZED SV VAR SOLENOID (3 WAY) PT NW - NORMAL WASTE (CONVENTIONAL) VALVE LETTER DESIGNATIONS FOLLOWING VALVE LETTER ORW - FLOOR (OPEN) RADWASTE DE-ENERGIZED CLOSED CONTAINMENT PENETRATION HOSE STATION OW - OILY WATER WASTE AIR SUPPLY (UNSLEEVED) COMPUTER A = SERVICE INLET A, B, C, D, E = VESSEL TAG LETTER P.P.S - PLANT PROTECTIVE SYSTEM VACUUM AIR INSIDE OUTSIDE INSTRUMENT E = SERVICE OUTLET R.M. - REMOTE MANUAL ENERGIZED CLOSED RELEASE VALVE F = PRECOAT INLET / BACKWASH OUTLET S. = SUMMER (CFM) CONTAINMENT PENETRATION C HOSE CABINET K = SYSTEM DRAIN VALVE S.P. - SET POINT HO SX C SW - SANITARY WASTE SAMPLE TEST POINT (SLEEVED) M = AIR INLET (PLANT AIR) TOT. - TOTAL (MAY CONTAIN COMPUTER D DELUGE VALVE N = BACKWASH SUPPLY VALVE DIGITAL INPUT P = PRECOAT TANK FILL VALVE t RS = TEMP ROOM SUMMER SAMPLE TUBING) t = TEMP ROOM WINTER HYDRAULIC OPERATED RE CONTAINMENT PENETRATION SPRINKLER ALARM Q = SLOW VENT VALVE RW HIGH S VALVE R = RECYCLE, RETURN, RECOVERY, RINSE INLET t SS = TEMP. SUPPLY SUMMER WITH INACCESSIBLE WELDS C10 t = TEMP SUPPLY WINTER MO ELECTRIC MOTOR OPERATED FOR IWE INSPECTION H U = VESSEL DRAIN VALVE SW A P SPRINKLER PREACTION V = FAST VENT W. = WINTER (CFM) (O-C LIGHT SHOWN ONLY RADIATION DETECTOR L VALVE W = BACKWASH INLET / PRECOAT OUTLET VALVE W.C.S.P. - WATER COLUMN STATIC PRESSURE FOR MORE THAN ONE SET) TYPICAL NOTATION LOW * - FURNISHED WITH ASSOCIATED EQUIPMENT INDICATES DOUBLE SC ALARM X = PRECOAT TANK RETURN - FURNISHED BY A.P.E.D. D PIPE SPEC. CHANGE Y = PRECOAT TANK OUTLET VALVE PACKED STEM (TYPICAL) OPEN FIRE HYDRANT Z = AUXILIARY TANK OUTLET VALVE 21 - CONNECTION NUMBER ON EQUIPMENT DRAWING C30 O PCV SAMPLE COOLER L C FHS

A B CLOSED FIRE HOSE STATION INSULATED COUPLING LIGHT SELF-CONTAINED OR INSULATED UNION THIS WELD IS IN THE PRESSURE CONTROL SN LOWER PIPE CLASS PP

TCV FCV LCV SELF-CONTAINED COLOR LEGEND CONTROL PUMPS SAMPLE NOZZLE PNEUMATIC ASME CLASS 1/QUALITY GROUP A TEMPERATURE FLOW LEVEL POSITIONER ASME CLASS 2/QUALITY GROUP B FI ASME CLASS 3/QUALITY GROUP C IN-LINE FLOW INDICATOR QUALITY GROUP D AO (ROTAMETER) CENTRIFUGAL MLS SAFETY RELATED MECHANICAL A SAFETY RELATED ELECTRICAL A

FE SPECIAL CONCERNS ITEM POSITIVE DISPLACEMENT MANUAL LOADING PISTON-AIR OPERATED STATION M-100 METERING ORIFICE PLATE MONTI CAD DWG ` ' J PERISTALTIC

FOOT VALVE P&ID - LEGEND

81 MONTICELLO NUCLEAR GENERATING PLANT SCALE: NONE REV 81

sm Xcel Energy

NORTHERN STATES POWER COMPANY NH-36032 8 7 6 5 4 3 2 1 MONTICELLO NUCLEAR GENERATING PLANT Xcel MONTICELLO NUCLEAR GENERATING PLANT Xcel 8 7 6 5 4 3 2 1

2ND STAGE REVISIONS NH-36035-2 A NOZZLE TO RECOMBINER 77 EC 11951 OG3-10"-ED OG2-6"-ED OG3-10"-ED NH-54817-4 A/R 01121715 OG-3-1 OG-4-1 2ND STAGE (B,1) DWN: JJP 3-4-08 3/4"-130 B NOZZLE OG-188 CHK: BJR 3-11-08 MS-29-1 RS1-3"-GB 6" 6" RR30-3/4"-HB C205 C205 APPR: RMG 3-12-08 MS-27-1 MS-28-1 PS C252 PS OG1A-12"-HC 1177A A 1177B 78 EC 15325 C205 12"-V29 12"-V29 L OG-37-1 E/P PC RV TE X) OG-1-1 OG-2-1 1ST STAGE 1"-130 1246 1246 1244 7991-5 B NOZZLE MS-26-1 C252 DWN: JJP 3-15-10 A CV DT L CHK: PEB 3-15-10 1242 6" 12" 12" 1255 3/4"-130 3/4"-130 TE X) APPR: JPC 3-17-10 HWC-3 HWC-4 D PS9-2"-ED MS-22-1 2" 3" 4" RS1-3"-GB 7991-9 79 EC 16937 D 1ST STAGE OG-25-1 F.O. A NOZZLE DT 3/4" OG2-1"-ED DWN: JJP 10-20-10 EF MS-23-1 TX 1254 PI 3/4" SJAE CHK: BAL 10-21-10 7370 1248 NH-54818-1 X ROOM APPR: BJR 10-21-10 MS-24-1 2" SV NH54817-4 VENT OG-26-1 1085A 80 EC 17001 C205 (C,8) PT HI RAD TIMER 1246 OG-176 AO DWN: JJP 3-7-11 C07 1085A M-142 ED GB PI NH-36159 CHK: BAL 3-7-11 1246 F.C. (D,4) APPR: NEO 3-8-11 C252 3/4"

C252 A H PI 1/2" LOW 2ND STAGE STEAM PRESSURE 81 EC 14372 ST 7373A MS-37-1 1275 DWN: JJP 3-9-11

CHK: BAL 3-10-11 D108-1"-HS RR53-1/2"-EF APPR: BL 3-10-11

82 EC 16861 MS-38-1 MS-32-1 MS-33-1 AIR DWN: JJP 4-18-11

MS-34-1 EJECTOR CHK: BAL 4-18-11

EF HS E-2A APPR: DZ 4-25-11

F.W. 83 601000001601 TO CONDENSER 11 INTER-CONDENSER M-105 ADDT'L. PAGE ADDED TO.PDF DOC. E-1B CONN 29 NH-36036 C-80 M-104 F.W. DWN: JJP 2-19-20 M-105 (A,5) M-141 NH-36035 CHK: 600000677406 (D,6) NH-36036 NH-36047-1 APPR: 600000686596 (A,5) (A,5)(B,6) POS C OG-67-1 3498 C 2" OPEN

LOOP FILTER F7 POS KS SEAL 3500 52-104 RR30-3/4"-HB HC JB TE X) 3/4"-130 TO CONDENSER 7991-7 OG-28 MS-29-2 2"-V19 10"-29 E-1B CONN. 15 OG-20 POS CLOSED OG-40-1 M-104 3499 1 1/2"-130 NH-36035 OG-23 C205 6"-N14 V64-10"-HC PC RV TE X) AIR FROM RR28-1 1/2"-HC FI (A,8) 1 1/2"-JB OG-43 E/P 7991-6 CONDENSER E-1A 3145 1247 1247 1245 OG1A-16"-HC CV M-103 V64-1/4" 1243 6" NH-36034 OG-29 PI FROM PRIMARY (D,1) 7979 STEAM PS9-3"-ED PS9-2"-ED MS-22-2 2" 3" 4" OG3-1"-ED RS1-3"-GB SERVICE OG-24 M-102 SLOPE NH-36033 AIR PURGE DIV I 10"-26 F.O. RS1-3"-GB OG-37-2 OG-189 OG6-10"-GC OG6-10"-HC (E,3) EF MS-23-2 TX 1"-130 HIGH MAIN STEAM OG7-6"-ED PI MS-27-2 MS-28-2 RADIATION 7371 1249 REF. 1,2,3 GC RS1-3"-GB SERVICE WATER C07 MS-24-2 2" OG1B-12"-HC M-110 ED HS C205 2ND STAGE 2ND STAGE OG-39 OFF-GAS SAMPLE DIV I NH-36041 TO PT 12"-V29 12"-V29 A NOZZLE B NOZZLE OG-186 PUMP RETURN YS GC HC 1083 OG-1-2 OG-2-2 OG30-1"-ED GROUP II (B,5) OFF-GAS 1247 1ST STAGE M-142 2453 LINE ED GB C07 AUTO INIT. PSD A NOZZLE NH-36159 M-142 PI 6" 6" (C,6) 2901 1247 12" 12" NH-36159 C252 OG-3-2 OG-4-2 TRIP PUMP (B,6) C252 H PI DT C205 C205 CLOSE VALVES FROM SV-1083A & B A 1257 1ST STAGE C252 C252 ST 7373B OG-25-2 B NOZZLE PS A PS A M-103 MS-37-2 1276 RR55-1"-GB 1178A L 1178B L SEAL WATER DIV II NH-36034 NH-54818-1 COOLER E-3 HIGH MAIN B (D,1) 3/4" MS-25-2 MS-26-2 NH54817-4 HS STEAM B D109-1"-HS DT SV (C,8) 52-104 RADIATION OG-177 1258 1085B REF. 1,2,3 CN-142-1"-EN1C 3/4" HI RAD TIMER HS MS-38-2 MS-32-2 MS-33-2 RECOMBINER STEAM 1/2" RR54-1"-GB 52-104 TRAP RETURN OG-26-2 M-142 N.E. 3/4" AO NH-36159 SV RR47-1/4"-HC RECIRC. SEAL DIV II NH-54817-4 AIR 1085B 1825B TRIP (D,4) PUMP P-70 GROUP II HS MS-34-2 (C,1) F.C. VRV MVP 1084A EJECTOR LOW 2ND STAGE STEAM SUPPLY PRESSURE A/S AUTO INIT. EF HS 1824 10" X 8" RED. E-2B F.W. M-131 N.D. TO CONDENSER 12 M-105 NH-36049-11 ED E-1B CONN 29 INTER-CONDENSER (C,2) HC SV F.W. NH-36036 1084A M-104 (A,3) OG6-8"-HC HS NH-36035 M-105 1084B NH-36036 AO A/S (D,5) (A,3) 1825B M-131 PI LCV YS NH-36049-3 10"-V29 7246 RR45-3/4"-HC 1836 1837 1"-19 OG-67-2 OG-22-2 CST-24 (A,6) SV N.D. 2" OG6-5" SEPARATOR 3/4" 1"-HB 1084B OG1B-6"-HC T-72 LOOP LOCATED F.C. MOUNTED AO A/S SEAL 5" ( )ON TANK 1084A IN PUMP CONDENSATE M-131 ROOM F.C. C07 O NH-36049-3 TE X) OG1A-6"-HC CONDENSER SERVICE WATER L TO CONDENSER 7991-8 LG OG-66 M-114-1 C (A,6) MECHANICAL E-1B CONN. 15 VACUUM PUMP 2452 NH-85509 M-104 OG-22-1 D11-2"-HC HC JB 10"-V29 P-3 MOUNTED (B,1) OG1B-12"-HC NH-36035 OG-21 ( )ON TANK (A,8) N.E. OG-42 F.O. 2"-V19 SV AO 1"-19 AO NOTE: COLOR LEGEND 1084B 1825A 1825A ASME CLASS 1/QUALITY GROUP A C07 O X) FOR DETAILS OF SCHEME SEE M-104 (B,1) (NH-36035) L RR29-1 1/2"-HC FI 1 1/2"-JB ASME CLASS 2/QUALITY GROUP B C 3146 A/S ASME CLASS 3/QUALITY GROUP C M-131 QUALITY GROUP D OG-40-2 NH-36049-11 SAFETY RELATED MECHANICAL A 12" OG1B-12"-HC 1 1/2"-130 (B,2) SAFETY RELATED ELECTRICAL A

SPECIAL CONCERNS ITEM F.O. OG1B-16"-HC FROM EAST HALF OF CONDENSER M-104-1 FROM WEST HALF OF CONDENSER MONTI CAD DWG ` ' C REFERENCE DRAWINGS: P&ID STEAM JET AIR EJECTORS TO CONDENSER 1. NUCLEAR BOILER SYSTEM STEAM SUPPLY NH-36241 M-115

E-1B CONN 5 M-104 2. IED PROCESS RADIATION MONITORING SYSTEM NX-7993-1-1, 2 & 4 MONTICELLO NUCLEAR GENERATING PLANT SCALE: NONE REV 83

sm NH-36035 3. IED PRIMARY CONTAINMENT ISOLATION NX-7823-4-17, 4 & 5 Xcel Energy (D,8) NORTHERN STATES POWER COMPANY NH-36035-2 8 7 6 5 4 3 2 1 MONTICELLO NUCLEAR GENERATING PLANT Xcel 8 7 6 5 4 3 2 1

B8 INTERLOCK TO REVISIONS NH-36037 SEE NOTES 3, 4, & 5 EXTR. STEAM TE TE FE SPILL VALVES VENT C213 89 EC 24204

dP 5617A1,B1 5617A 5617-TA1,TA2, A/S CV-1033, CV-1199A FW-57-1 SX TB1,TB2, M-131 C06 & CV-1199B AND 3029 DWN: JJP 5-18-15 CFW203 RA1,RA2, L.P. HTR. DUMP 3/4"-130 T C06 NH-36049-3 TRIP TDR CFW144 CHK: BAL 5-18-15 RB1,RB2 P-2A (D,6) 162-104 VALVE CV-1012 HS MO TDR (C,4) M-103 APPR: WS 5-18-15 BREAKER 97-8 1614 1614 V76-1"-DE INTERLOCK TO TRIP NH-36034 TE 90 EC 26537 BRK 4232 FW-90-1 1"-110 C213 FROM FROM VENT TO TI-1711 NOTE 7 FT FW-89-1 SX EXTR. STEAM SPILL FIS-3489 (D,5)(C,1)(B,3) 1711H VALVE CV-1036 PS-1122 1"GBD STEAM

`A' FEEDWATER 14"-SpN10D 4383A 1"-110 3031 C06 (C,4) (C,3) C200A DWN: JJP 12-10-15 SN FW-163-1 M-103 HS CV FIC RV M-103 TO REACTOR FW2A-14"-ED FW2A-14"-DE T NH-36034 1112 NH-36034 CHK: BAL 12-15-15 M-115 6-16A 1100 3489/P QUICK TRACK III 3489 CFW148 (D,4) (A,6) APPR: CWB 12-16-15 NH-36241 STEAM REF. NX-236624-6-2 1"GBD ED DE RV TE FW-167-1 (A,2) V76-1"-HB 1146 M-103 91 EC 25778 D 1148A NH-36034 C06 CV F D N-4C N-4D FE TR FROM 3489 CFW167 RV37-1"-HB (C,6) TE-1148B C06 O TE X) TO CONDENSER REACTOR 4382A 1148 L E-1A CONN. 25 I.P. HEATER E-13A DWN: JJP 3-1-17 C06 (B,7) C 7990-29 3/4"GBD NOZZLE FW-161-1 FW-162-1 M-105 CHK: BAL 3-2-17 PR 8" FW3-8"-DE NH-36036 ORW APPR: SJH 3-2-17 1149 ORW TO TI-1711 (E,6)

C06 F.O. RECIRC. 92 6MODMMO27316 1"-110 1"-110 H.P. HEATER E-15A CONTROL ROOM TX CONDENSATE E/S TE X) 8" C06 C06 FROM L.I.P. FW-86-1 FW-85-1 SEE NOTES 3, 4, & 5 PANEL C20 7990-11 PI 1106 C06B-2 NOTE 7 E/S C4A-16"-GB HEATER E-12A C06 O C06A-5 1130 DWN: JJP 4-15-19 FW-159-1 FW-160-1 L C06 C TO TDR M-105 D123-1"-DE C06 C HS FROM TDR NH-36036 CHK: 600000528256 P HB VENTS 162-104 162-104 FW-54-1 T HS 152-104 (D,4) FT 1"-19 (E,6) APPR: 600000528232 CFW152 14" CFW146 1133 C200A TRIP OUTPUT C207 STEAM 1 3489 93 601000001601 TE M-103 P PT (D,4) C200A PT TO TDR 1711M NH-36034 C556 CFW130 1130 162-104 FIS FT ADDT'L. PAGE ADDED TO.PDF DOC. 1149 1"-110 1"-110 3489 3489-1 DWN: JJP 2-19-20 (B,6) CV (D,4) FW-84-1 FW-83-1 F 6-12A/P C200A C06 C06 C201 CHK: 600000677406 FW-155-1 FW-156-1 CFW161 FW-186-1 PS PS PI P ORW E/S APPR: 600000686596 V74-1"-DE FW-185-1 1124 1122 1120 CO6A-3 CFW128 HB L 1 L H.I.P. HEATER E-14A C200A CV NOTES: FT TE RV FE ORW 6-50A 6-54A 6-12A MO C200A 1128 1100 1 CONTAINS STAINLESS REPLACEMENT 1133 5. DO NOT USE CALCIUM SILICATE (CAL-SIL) INSULATION ON FW-153-1 FW-154-1 FW-73-1 PT POS TUBING. REFER TO MOD. 97Q040. THE PORTIONS OF THE FEEDWATER SYSTEM PIPING NEAR 1"-110 FW-185-5 1 1120 2" BRK 1207 A DET.1 1118 THE CROSSFLOW TRANSDUCERS. CONTAMINATION OF THE FW2A-14"-DE 3/4"-130 2. X) FOR DETAILS OF SCHEME SEE M-104 (B,1) (NH-36035) TRANSDUCER-TO-PIPING CONNECTION CAN IMPACT THE FW2A-14"-DE 1" ACCURACY OF THE CROSSFLOW EQUIPMENT. TE X) RO RO RO 14"-SpN10 ORW C4A-16"-GB 7990-23 2116 3472 3002 TE FW-68-1 FW-67-1 3. TO TI-1711 1"-110 THE CROSSFLOW XT SIGNAL PROCESSING UNIT (FCP-5617) USES 6. MATERIAL UPGRADES IN LINES C4A/B-16"-GB, FW2A/B-14"-DE 1711K T 14"-SpN10U 14"-SpN214U 152-104 FW-61-1 FW-58-1 FEEDWATER VELOCITY AND DENSITY (FROM ULTRASONIC AND FW3/4-8"-DE TO ELIMINATE HELB CRACKS. 10"x8" NOTE 7 FE FW-77-1 DE TRANSDUCERS) AND PIPE TEMPERATURE (FROM THE THERMOCOUPLE C06 CFW150 16"-X26 16"-X26 SEE ISOMETRICS NX-13142-1, NX-13142-2, NX-13142-52, BELOW EL. 951'-0" 6-11A REACTOR TEMPERATURE ELEMENT) TO CALCULATE FEEDWATER FLOW. NX-13142-53 AND NX-13142-135. E/S HF DE FW-88-3 C06F-4 FEED PUMP FW-62-1 4. CHANGES TO THE FEEDWATER SYSTEM CONFIGURATION 7. ABANDONED-IN-PLACE. C TE 1/2"-7 1/2"-7 C RO FW10-8"-DE FW-118 FW-117 P-2A 1"-130 DOWNSTREAM OF THE #15 HEATERS COULD IMPACT THE 3473 C DOIT DO 5007 FW-59-1 ACCURACY OF THE CROSSFLOW EQUIPMENT. EVALUATE THE CFW200 7426 7426 11 ORW 1"-130 POTENTIAL FOR NOISE AND FLOW PROFILE IMPACTS WHICH C200A COULD AFFECT THE CROSSFLOW SYSTEM PRIOR TO IMPLEMENTING TE X) PT (HALF-CAPACITY) 1 1/2"GB 1 1/2" SUCH CHANGES. 7990-16 C AIT AE 5301 TO CONDENSER CFW202 4291 4291 ORW ORW FW-179-1

E-1A CONN. 3 POS C06 O FW12A-1"-DE 1 1/2"-7 P-2A (C-297A) P-2B (C-297B) M-105 P L C CIT CE CFW155 1826 C GZP-125 ELEMENT ELEMENT NH-36036 (D,1) CFW199 7427 7427 Po FW-82-1 1 1/2"-7 TE-1505A TE-1505C CFW206 6"-N10 POS FW-65-1 FW-66-1 M-105 TE-1506A TE-1506D C213 FEEDWATER CFW001 1"- 1"- FROM GEZIP H C06 NH-36036 C06 H TE-1507A TE-1507D CONTROL NH-119259 A (E,1) A TE-1712E TE-1712K SX 728E989 E/P ORW HYDROGEN INJECTION 3032 AC 6-13 3/4"DE M-2500 FW-252 (C,7) TE-1712F TE-1712L NX-7832-3-1 THRU 6 VE-1510A VE-1510B dP A/S NH-100320 1 1/2"-210 H C06 C06 H Po M-131 C06 A A VE-1511A VE-1511B CFW204 (C,1) VE-1512A VE-1512B CFW207 CV NH-36049-3 TDR C20 MULTI FW-163-2 C06 TRIP TR VE-1513A VE-1513B 6-13 P-2B TDR (D,6) 162-204 (COND P-1A) (RFP P-2A) POE-1515A POE-1515B HS MO BREAKER (B,4) 1712 97-9 (COND P-1B) (RFP P-2B) LS-1520A LS-1520B 1615 1615 V77-1"-DE VENT TRIP FROM TE-1508A TE-1508B BRK FROM FT FW-89-2 PS-1123 FIS-3490 TE-1509A TE-1509B 1232 FW-90-2 FW2-6"-DE C297A C297B 4383B C06 (B,4) (B,3) C200B C06 H VC VC C06 H TE-1712G TE-1712M

'B' FEEDWATER 1"-110 1"-110 SN HS CV FIC A A TE-1712H TE-1712N TO REACTOR T (RFP-PLC-VMS-03 PLC-VMS-04 (RFP-FW2B-14"-ED FW2B-14"-DE 6-16B INTERLOCK TO 1103 3490/P QUICK TRACK III 3490 TE-1712J TE-1712P M-115 TO TR-1148 CFW149 EXTR. STEAM SPILL REF. NX-236624-6-2 P-2A) P-2B) TE-1500A TE-1500C C06 NH-36241 14"-SpN10 RV TE (D,6) STEAM VALVE CV-1075 TE-1501A TE-1501C R.F.P. P-2A HS (A,6) ED DE V77-1"-HB M-104 C06 O NH-36035 F INTERLOCK TO TE-1502A TE-1502C 1243 1147 1148B POS CV EXTR. STEAM (AC AUX L.O. PUMP P-71A)

N-4A N-4B NH-36035 L M-104 3490 CFW168 TE-1503A TE-1503C FE 1827 C C06 O TO CONDENSER SPILL VALVES SEE TABLE FOR SENSOR ELEMENT TE-1504A TE-1504C C06 RV38-1"-HB (C,2) (D,5) L TE X) AND COMPUTER-POINT-

SUMMARY

HS REACTOR 4382B E-1A CONN. 26 CV-1072, CV-1126A VT-4127A VT-4127B R.F.P. P-2B FW-82-2 C 7990-26 & CV-1126B AND FOR ASSOCIATED COMPUTER POINTS. 4243 NOZZLE FW-161-2 FW-162-2 POS M-105 VT-4128A VT-4128B 6"-N10 L.P. HTR. DUMP (AC AUX L.O. PUMP P-71B) CFW010 8" FW4-8"-DE NH-36036 CONDENSATE AND REACTOR VT-4129A VT-4129B ORW VALVE CV-1051 FEEDWATER TEMPERATURE VT-4130A VT-4130B SEE NH-36037-3 F.O. RECIRC. (E,6) M-103 FOR LUBE OIL SYSTEM 1"-110 1"-110 H.P. HEATER E-15B AND VIBRATION MONITOR VT-4135A VT-4135B B TE X) 8" C06 C06 NH-36034 B

FW-86-2 FW-85-2 SEE NOTES 3, 4, & 5 7990-12 E/S PI (C,5)(C,7)(B,7) C06 O FW-159-2 FW-160-2 C06 L C06B-1 1131 C06 C TO TDR D124-1"-DE FROM TDR 162-204 VENT TE FE HB HS C VENTS HS TO TI-1711 T 152-204 162-204 (B,4) FT FW-57-2 5617A2,B2 5617-TA3, 14" CONTROL ROOM 1134 C200B TRIP OUTPUT 3/4"-130 TA4, PANEL C20 STEAM CFW147 1 3490 TB3, TE M-104 P PT (B,4) TO TDR C200B T TE NOTE 7 CFW131 1131 162-204 FIS FT CFW145 TB4, 1711N NH-36035 C557 3490 3490-1 5617B RA3, 1"-110 1"-110 (B,2) CV (B,4) RA4, C4B-20"-GB FW-84-2 FW-83-2 F 6-12B/P C200B C06 C06 C201 TE TO TI-1711 NOTE 7 RB3, FW-155-2 FW-156-2 CFW162 FW-186-2 PS PS PI P VENT 1711J D7 RB4 ORW E/S 1"GBD STEAM SEE NOTE 3, 4, & 5 V75-1"-DE FW-185-2 1125 1123 1121 CO6A-4 CFW129 HB L 1 RV FW-167-2 M-104 VENT C200B L FCP H.I.P. HEATER E-14B CV 1113 3/4"-19 NH-36035 FT TE RV FE (A,2) 5617 6-50B 6-54B 6-12B MO C200B 1129 1103 1"GBD

ORW 1134 FW-73-2 PT FW-153-2 FW-154-2 FW-185-6 1 POS BRK 1231 1"-110 1121 2" 1119 B DET.1 3/4"-130 FW2B-14"-DE FW2B-14"-DE 1" 3/4"GBD I.P. HEATER E-13B TO 14"-SpN10 FW-68-2 FW-67-2 C4B-16"-GB ORW TE ORW FW3-8"-DE 1711L TO TI-1711 1"-110 14"-SpN10U 14"-SpN214U CONTROL ROOM T 152-204 FW-61-2 FW-58-2 A FE FW-77-2 DE CONDENSATE FW-270-1 FW-277 PANEL C20 CFW151 16"-X26 16"-X26 TX NOTE 7 6-11B 1109 FROM L.I.P. 1"-110 3/4"-110 C06 REACTOR C4B-16"-GB HEATER E-12B FW-271-1 FEED PUMP FW-62-2 M-105 1"-110 FW-276 E/S TE 1"-130 C06F-5 5008 P-2B FW-54-2 NH-36036 3/4"-110 FW-59-2 1"-19 (E,3) RO 12 ORW 1"-130 1132 C200B COLOR LEGEND B TO PT (HALF-CAPACITY) 1 1/2"GB 1 1/2" ASME CLASS 1/QUALITY GROUP A FW4-8"-DE ASME CLASS 2/QUALITY GROUP B 5302 FW-179-2 ASME CLASS 3/QUALITY GROUP C P 1 1/2"-7 QUALITY GROUP D A CFW156 FW12B-1"-DE SAFETY RELATED MECHANICAL A ORW ORW SAFETY RELATED ELECTRICAL

RO SPECIAL CONCERNS ITEM FW-272 1133 FW-274 TO GEZIP FW-65-2 FW-66-2 3/4"-110 3/4"-110 NH-119259 1"- 1"- M-106 FW-270-2 FW-273 1"-110 FW-275 (B,7) ORW 3/4"DE HYDROGEN INJECTION MONTI CAD DWG ` ' AF ORW M-2500 3/4"-110 FW-271-2 3/4"-110 1"-110 NH-100320 P&ID CONDENSATE & FEEDWATER (C,1) DET. 1 (FW WARMUP LINE) MONTICELLO NUCLEAR GENERATING PLANT SCALE: NONE REV 93

sm Xcel Energy

NORTHERN STATES POWER COMPANY NH-36037 8 7 6 5 4 3 2 1 6 5 4 3 2 1

REVISIONS NH-36038 84 EC 23794

DWN: JJP 4-2-14 CHK: BAL 4-2-14 NOTES: APPR: CLT 4-3-14

1. SEE GRAVER PROPOSAL/WORK ORDER FOR EXTENT OF EQUIPMENT FURNISHED BY GRAVER. 85 EC 24059

2. LEGEND - SEE NH-36032 DWN: JJP 5-28-15

3. VALVES AND INSTRUMENTS MARKED WITH "**" ARE NOT PROVIDED BY GRAVER. CHK: BAL 5-28-15 E APPR: JCG 5-28-15 E

4. ONLY PIPING ON ADVANCE PRECOAT SKID BY GRAVER.

5. ALL ON/OFF AUTOMATIC VALVES HAVE 2 LIMIT SWITCHES. C3-24"-GB M-107

6. INSTRUMENT AIR (IA) SUPPLY (NH-36049-11). NH-36038-2 (E,6)

7. CONTROL VALVES INSTALLED WITH FLOW ARROW POINTING TOWARD DEMIN VESSEL (EC-18312) BY DESIGN.

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.

C4-24"-GB M-107 NH-36038-1 (D,6)

M-107 NH-36038-1 (D,6) V20-8"-HC M-107 NH-36038-1 (D,6)

SA4-8"-GC

V20-1"-HC FE FT FIK V20-1"-HC FE FT 2206 2206 2207 2207 FY 2206 D 2206 D FY RV RV 2207

8011 AO FSL FIC 8012 AO FQS 2246 2206 2206 2206 TO E/P-2206 2247 QA (C,5) ** QB FWD-100-1 1" FWD-37 FWD-100-2 1"

HC GC GC HC HC GC GC HC 1" 1" 10" 6" ** 10" 6" ** 10"

** DPI VA DPI VB FWD-36 2211 FWD-41 FWD-31 2212 FWD-42 FWD-32 DPAH AO DPAH AO 2211 2241 2212 2242 FIK CONDENSATE CONDENSATE 2207 M-131 M-131 NH-36049-11 (C,4) DEMINERALIZER NH-36049-11 DEMINERALIZER TANK T-7A FWD-57-1 (C,4) TANK T-7B FWD-57-2 DPS DPS 2211 2212 FSL FQS FIC 72" ID x 7'-7" STR. GB 72" ID x 7'-7" STR. GB 2207 2207 2207 TO E/P-2207 H H (C,3)

TO FIC-2206 E/P TO FIC-2207 E/P 2206 AO DPT FWD-85-3 2207 AO DPT FWD-30-2 C (D,3) 2256 2211 (C,1) 2257 2212 1/2" C 4" FWD-30-1 4" FWD-86-3 FQI FQI SV-2206-2 SV-2207-2 2207A 2207B SV-2206-1 6" 4" 1/2" SV-2207-1 6" 4" GB GB YS MA 4" FQI FQI MB 4" 3319B LATCH CV EA 4" 85 AA 10" 2206A 2206B LATCH CV EB 4" 85 AB 10" I 2206 GC GB YS 2207 GC GB C 10" AO 10" AO CDM101 SEE NOTE 7 C4-14"-GC 2236 GC 3319A 1/2" IA SEE NOTE 7 C4-14"-GC 2237 GC 1/2" IB 14" I 14" FAL PI PT SV PI PT SV 3320A 3320B 2207 C-80 C-80 C213B 2216 2216 FAL 2217 2217 FWD-85-1 FWD-85-2 FWD-86-1 FWD-86-2 CI CIT CE SX 1/2" 2206 1/2" 2322B 2322B 2322B 1765 85 10" 85 10" HS FWD-103-2 5104 10" HS 10" FWD-103-1 5103 CAH CSH 2322B 2322B FWD-2-1 FWD-102-1 FWD-2-2 FWD-102-2 FWD-101-1 HS FWD-101-2 HS BA 5103 BB 5104 DPT MCC-151 DPT MCC-151 M-144 2231 FWD-1-1 2232 FWD-1-2 BS ** C9-3"-GC HA N.O. SX BS ** HA N.O. NH-36829 (B,8) N.O. 1766 N.O. C9-3"-GC 2226 2227

DPI DPAH DPS HOLDING PUMP P-12A DPI DPAH DPS HOLDING PUMP P-12B 2231 2231 2231 249 GPM, B5103 C 2232 2232 2232 249 GPM, B5104 CDM102

WA 8" UA 8" 8" FA WB 8" UB 8" 8" FB 2" AO AO AO C-80 C-80 C213B 2" AO AO AO 2261 2276 2271 CI CIT CE 2262 2277 2272 B 2322C 2322C 2322C B

SEE SEE SEE SEE TO CRW NOTE 8 NOTE 8 TO CRW NOTE 8 NOTE 8 M-138 CAH CSH M-138 2322C 2322C FROM BODY NH-36044 (B,6) NH-36044 (B,6) FEED SYSTEM M-144 M-107 NH-36829 (B,7) NH-36038-1 (B,6)

PRECOAT RETURN/ PRECOAT RETURN/ BACKWASH INLET RT8-8"-HC BACKWASH INLET M-107 M-107 NH-36038-3 (C,2) NH-36038-1 (B,6)

FROM PRECOAT HEADER RT2-8"-HC TO PRECOAT HEADER M-107 M-107 NH-36038-3 (B,2) NH-36038-1 (A,6)

TO CONDENSATE BACKWASH COLOR LEGEND RECEIVING TANK T-33 RT3-8"-HC FROM ASME CLASS 1/QUALITY GROUP A M-141 M-107 ASME CLASS 2/QUALITY GROUP B NH-36047-1 (B,6) NH-36038-1 (A,6) ASME CLASS 3/QUALITY GROUP C REFERENCE DRAWINGS: QUALITY GROUP D SAFETY RELATED MECHANICAL SAFETY RELATED ELECTRICAL A SPECIAL CONCERNS ITEM A

M-107 MONTI CAD DWG ` ' T P & ID CONDENSATE DEMINERALIZER SYSTEM MONTICELLO NUCLEAR GENERATING PLANT SCALE: NONE REV 85

sm Xcel Energy

NORTHERN STATES POWER COMPANY NH-36038 6 5 4 3 2 1 6 5 4 3 2 1

REVISIONS NH-36038-2 82 EC 18171

DWN: JJP 5-18-11 CHK: DDW 5-18-11 APPR: EJS 5-18-11 TAH TI TT 2313 2313 2313 83 EC 18294 P CDM100 C06 86 TE DWN: JJP 6-20-11 PT PI 2313 CHK: AWL 6-20-11 E C06H-4E/S 2314 2314 E FROM APPR: DDW 6-20-11 C3-24"-GB FWD-78 C3-24"-GB CONDENSATE M-107 M-105 84 EC 18312 NH-36038-1 (E,1) RFP SEAL ** NH-36036 (A,4) SYSTEM FW-121 FWD-77-1 SX C14-2 1 "-GB C C DWN: JJP 10-6-11 2 2768 FWD-55 M-105 COND. INJ. LINE CDM106 CDM504 NH-36036 1/2" (TYP.) CHK: WGN 10-12-11 FW-310 NH-236609 dPT 1/4" TUBING RAW APPR: RKJ 11-15-11 (B,6) (D,6) 5400 DPAH DPAHH C213A C-80 C-80 85 EC 23794 2316 2316 CE CIT CI

** DPI 2316 2322A1 2322A 2322A DWN: JJP 4-2-14 FW-87 CHK: BAL 4-2-14 (SEE NOTE 1) CSH CAH M-107 ** B DPAHH DPS DPT DPSH DPSH 2322A 2322A APPR: CLT 4-3-14 FROM AIR 20" AO 2316 I 2316 2316 NH-36038-1 (D,1) SURGE TANK BYPASS 2316 2316 86 EC 24059 SA4-8"-GC FAI 1740 M-107 M-131 C213A NH-36038-1 (D,1) NH-36049-9 CE DWN: JJP 5-28-15 (C,3) 2322A2 CHK: BAL 5-28-15 M-107 NH-36038-1 (D,1) APPR: JCG 5-28-15 FWD-77-2

86 PT PI M-144 2315 2315 NH-36829 (D,8) TO FEED WATER HEATERS C4-24"-GB FWD-96 NOTE 2 C4-24"-GB CONDENSATE OUTLET M-105 D NH-36036 (A,4) D SX TO CONDENSATE BACKWASH 1302 RECEIVING TANK T-33 V20-8"-HC M-141

NH-36047-1 (C,6) 1/4" TUBING C213A C-80 C-80 CE CIT CI C213A 2322G1 2322G 2322G

DOE CSH CAH V20-1"-HC 3102 2322G 2322G HS FE FT L80A/19 1" 2210 2210 C213A C DOAN CDM107 LCV PCV FY 3102 C213A 4394 4405 SERVICE CE RAW CST-115 RV 2210 1/2" CONDENSATE 8015 C213A 2322G2 1" AO AGITATOR M M-114-1 2250 DOIT C S-9 CST-191 NH-85509(B,1) QE 3102 CDM505 3/4" FWD-40 10" FWD-100-5 1"

GC HC C HC GC CDM108 C 1" C 6" ** 10" M-144 DPI VE NH-36829 (D,6) BODY FEED TANK 2215 FWD-45 FWD-35 T-9 LG FWD-65 DPAH AO 100 GAL. 2317 2215 2245 FIK CONDENSATE 2210 M-131 NH-36049-11 DEMINERALIZER (D,4) TANK T-7E FWD-57-5 DPS 2215 FSL FQS FIC 72" ID x 7'-7" STR. GB 2210 2210 2210 TO E/P-2210 H (C,6) FWD-20 1/4" PI PCV TO FIC-2210 E/P 1"-325 4395 2318 SERVICE 2210 AO DPT FWD-21 (C,3) 2260 2215 FWD-116 CONDENSATE FWD-30-5 FQI FQI FWD-54 1/4" 3/4"-HB M-114-1 4" 2210A 2210B 1/4" SV-2210-1 SV-2210-2 6" 4" 1/2" NH-85509(B,1) FWD-89-3 GB 4" CST-116 CV ME FWD-64 FWD-63 3/4"-19 LATCH EE GC 4" 86 AE 10" GB I C 2210 YS 10" AO 1/2" IE HS CDM105 C4-14"-GC 2240 GC 3319E SEE NOTE 7 14" SV FAL RV 5111

PI PT 3320E 2210 4398 C-80 C-80 C213B 2220 2220 TO STEAM 1" 3/8" CI CIT CE SX FWD-89-1 FWD-89-2 1/2" MCC-151 FI PACKING EXHAUSTER FWD-51 FWD-53 RUPTURE HS 2322F 2322F 2322F 1769 86 10" HS M-105 3/4" DISC 5111 4396 5108 PI 10" NH-36036 (B,4) PI PSD FWD-62 FWD-103-5 4398 4398 CAH CSH 4264 PI 2322F 2322F FWD-2-5 FWD-102-5 TO FWD-61 SET AT 4397 FWD-101-5 HS FWD-113 434 PSI 1/2" B BE 5108 M-107 3/4" 3/4" 1/2" FWD-115 B DPT MCC-151 NH-36038-1 (B,1) FWD-60 M-144 2235 FWD-1-5 S-55 CST-192 NH-36829 (B,4) BS ** C9-3"-GC HE FWD-56 2230 N.O. N.O. P-14 FWD-25 FWD-24 BODY FEED 3/4" PUMP DPI DPAH DPS HOLDING PUMP P-12E B5111 2235 2235 2235 249 GPM, B5108 INTERLOCK

DPS-2316

& AO-1740 WE 8" UE 8" 8" FE

AO AO AO 2" 2265 2280 2275

SEE SEE TO CRW NOTE 8 NOTE 8 NOTE M-138 86 1. FOR ADDITIONAL AO-1740 DETAILS, SEE NH-36038-4 (AO-1740 CONTROLS)

NH-36044 (B,6) 2. FWD-96 WHITEY VALVE PER EC8143.

COLOR LEGEND ASME CLASS 1/QUALITY GROUP A PRECOAT RETURN/ ASME CLASS 2/QUALITY GROUP B BACKWASH INLET ASME CLASS 3/QUALITY GROUP C RT8-8"-HC REFERENCE DRAWINGS: QUALITY GROUP D M-107 SAFETY RELATED MECHANICAL NH-36038-1 (A,1) A SAFETY RELATED ELECTRICAL A SPECIAL CONCERNS ITEM FROM PRECOAT HEADER RT2-8"-HC M-107 M-107 NH-36038-1 (A,1) MONTI CAD DWG ` ' G

TO CONDENSATE BACKWASH P & ID

RECEIVING TANK T-33 RT3-8"-HC M-107 CONDENSATE DEMINERALIZER SYSTEM NH-36038-1 (A,1) MONTICELLO NUCLEAR GENERATING PLANT SCALE: NONE REV 86

sm Xcel Energy

NORTHERN STATES POWER COMPANY NH-36038-2 6 5 4 3 2 1 6 5 4 3 2 1

(1 1/2"-65) REVISIONS NH-36041 i SCAVENGING 7 '-... -ISW-74-1I fm (TE\\ A I ESW-56 ESW-54 I 117 601000001727 TO CIRC WATER A/S \\S045 \\5045 TO CIRC WATER ll 1 13n, / 1 13Q DISCHARGE PIPE ( M-131) r--7 :~~ : < M-800Y - 2* -JF DISCHARGE PIPE A (M-800) I 1------------1 NH-36489 '="inD"' __, (M-800) TURB BLDG EFT BLDG DWN: JJP 10-15-19 NH-36489 C06 NH-36049-11 : I SCAVENGING I (C 7) _ 1 PUMP 1 ' -~* NH-36489 ESW-9 ESW-8 CHK: 600000612539 (B, 1) 9 (C,,2) -- r r ) *~ 1 r7 P 508 r / - (B,1) 3~211 ESW7-2"-HBD2:_x1"... _ _.. 3"X2" APPR: 600000599227 L. _J SW-30-3I rn\\, * ~~~~ r, f f L----=-----J ISW-74-2I L.. _l A - -.---,._ --- 118 601000001846 I N.D. __,/ 1577 /I SW 187 1 =--~ \\. ESW-36 I < 1 HBO 1 ' I ESW-47 IVENT 6.,.11.SW-187:::3I YN.W. @_ (1 1/2"-65) ESW9-6" -HBD I ESW-57 I VENl,, ~=c

- A ' 1 13011 I"-,'~ st230B (1 "CBA-GB a ESW-95 J.Q!E 5 _:(, FROM
~ COU\\O ii 1\\\\9 = - Y 5J~1~~ l6i~~ - - ' DWN: JJP 12-13-19

1 f\\/c L---o--c.. "-- r ) E-10A SW-29-1I ESW-79 I r, ~ J...:m _ _, l I
ESW PUt.tP CH K: 600000640326 E ~ I,,S " SW-30-11 SW-30-4 6 -54 l @02-- C06 ------t ~1 DD SERVICE WATER PUMPS 171 6 ~3 "J.-L!., ** ESW-78, *..1... ~
p 111D I _ 3"X2' V-EAC-14B "X2' t'FE\\ / ESW5-3"-HBD -APPR: 600000631250 E 1 1,, *
L r-T"'I ~ SW-186-1 SW-186-3I

; II l -' > '-;-a',;;/'\\**'. ::I (BY JOB 6453) *, * *, CONDENSER E:,jfif,~~t><::f-1-1..:::::::::...:;___:::'.'.'.'._t-1,-r~'CMi;G8[1[}1)) 119 601000001771 vi,.---,. -- '1578 - - ::i ~------+*-co-s----~@1~~T~3~5_c2_0_3 __ __, 171 I SW-50 I,

ESW9-6" - * "" v =~~::::;::;:::l~ -HBD ~ =* ~,,. NH-36665... ~-.JI (DIV II) I' \\423j v ~

F.0.- - 1 /AO\\..---I * - '

r SW-187-2I 5**-54 J t Y-54 J, ~ ESW-82 J\\ *
I ESW-33-1 1/, * * (D,8)

' ""\\ \\1.579 SW-30-2 STATOR WINDINI SW-29-2I ~--,.,,- SW-24 DWN: JJP 7-30-20 l A0-12"-418 J ~ __, A ~C-1 SW-249 I J, (3/4""-1561 1 '6"X3", u ul C3"HBD-GBJ * ~, C~jA_{\\ :r'.1::"E':"'.S:".'.W".:'_".:'64~ J u A CHK: 600000757746 LIQUID COOLER ', l12 -418) /_ - ESW-81 / I ESW-48, ~OA 1 'v'L I ESW-46 I 1...._ I ESW-63 I

, COB ABOVE 931' E-10B, o'ISW-187-4

I SW-250 I I SW-27 SW7-6"-JF iil ESW8-3"-HB C 1*-13o m p.IC. 1**-130 l APPR: 600000693524 ELEVATION SW-186-2
I* 120 601000002805 ISW-186-4I 6* r-"'...1... _______ ___,_SW_3_-_1_2_"-_J_F ___ -l><L:J--.----l,......_(l-----<-l---'-14'-"-, :,: ~ ~ 40 9A C07 * :: :] '------I.. -. I *1 - ~, /123 I NOT~ 5 ' * " " 2"X1" 3"X2" 123 1 * - -601000002907 I TT -~ GEN. COLD GAS ~ - ::I -, ::J 1 1/2" / 1 3 E ESW3-2" -HBO tX DWN: JJP 11-9-21 1589 1589 (GTG-3) ~, 7"', SW-194-1I * - ~ r-D -,==-::~'.""-i2-:;;;~-~-;--'C-:t-;-~:;;;;;~1l CHK: 600000936547 T - r---~OW----7 VENT ESW-49,.*~'i ESW-37 1 r 1 HBO l VENT I ESW-35 SW-32-5I 1 Tl ' i I SW-185-1 I 'Q' I c,4**-418) -/~ - ~... 4030A u**csA-GB) I ESW-91,, 1**-130 l APPR: 600000936546

*./ \\,15.,.8_,1,r--_,_.l......;.V;;aENT"----, I I I SW-267 ~ ESW-77 I _o_ 11 A 1"-130 l - ~ V r',,., 1 NOTE 4, FROM
~ - - 4* '. ' 121 601000002083 f--L--{":aJ---'-r--l....-J GEN. H2 COOLER - - 0 EMERGENCY WATER ~*, I/..., 2 '

1 ESW-32 I ESW PUMP

-- E-BAL!n - TO CONDENSER E-1A 1i3 I SW-147 I !53 -HBD, J"X:{, V-EAC-14A 3~' t1 '.\\ ' :_ / ESW1 -3" -HBD P-111 C DWN: JJP 11-16-21 SW-32-1 ISW-31-1 HOTWELL r 18 -418, - 1-3 ESW4-3" ' ' '----'....::..:.:....:..._..:..___c;:.;;__JL--'-{)<firD-i>~ CONDENSER M 32 v ~ NH-36665 811 )

r 4 -150 l~W-184-1 ( 4" -54 <M 105) SW 2 18" HF. - -------"<.., ~--,,.. ~ ~ I (DIV I) ~- CHK: 600000940143 .___...,. __ NH-36036 TURB BLDG I EFT BLD~ I ESW-34 I * (D,4) APPR: 600000789260 ISW-32-6 (D, 1) I SW-145 I I SW-146 I TURBINE BLDG ESW-9 ESW-4 3"HBD-GT) I ESW-34-1I L. /Tl\\,,,..,.,,,,"'s"'w--,1.a9"4--,2;;i1 1 1/2" l 18**-29 J HF JF,

l3/4**-156J - NOTE 4 122 601000002907 r---t.*t--_-, \\!._582 * - TO EMERG. ( 4**-54 ) -'-"<-~ REACTOR BLDG I I /, ' ' SER. WATER "' gJ

* > VENT ISW-185-2I SYSTEM I SW-100 I 'roRW I DWN: PRN 07-21-22 GEN. H2 COOLER 4* <M-112' SW27 4" JF

_,,..,- SW27 6" JF l"i1 ~ CHK: 600001032653 D E-8B@_ - "\\ NH-36664 - - - APPR: 600001032652 D ISW-32-2 I SW-31-2 (D, 1) (1"-156) ( 1"-65 l,I iil 123 601000003585 (4**-150 l:W-184-2 (4"-54) I SW-117 I :,: 601000000439

..-----~ REACTOR BLDG I SW-116 C 1"'-65 ) ISW-32-7I 1 1/2" '---.... t_- -.... - - AC-UNIT -.... - - I SW-48 I DWN: ATC 02-28-23 __ J (TI\\ ',,..,.,,,,"'s"'w--,1.a9"4_-,3..,1 V-AC-6 ~ ~- CHK: 600001089599 r--1.* _I--, \\!._5§.3 * - L: -,

I I > VENT / - (1 1/2"-156) r 1 112 -65 J APPR: 600001089611 SW-185-3I I SW-119-1I,---R-EAC_T_O_R_B_LD-G~ I SW-118-1 GEN. H2 COOLER 4* -.... - AC UNIT _-.... -

6" 8" E-8c@. - ' - - V-AC-7A SW-32-3I ISW-31-3 REACTOR BLDG SW-118-2 I SW-53-1 ( 4"-150 ISW-184-3I ( 4**-54

AC UNIT 0 ' 1. *...... '7

'- - ISW-119-2I '------~ -, V-AC-7B ISW-118-3 ISW-217-2I '

ISW-32-8I - - 1 1/2" -- 1".. - 1" r--1_._I--, \\!._5§.4../ /Tl\\,,,..,.....,"'sw"'--,1'"9"4--477I * - (M-112) -..... I SW-197 I

- NH-36664 ( M-112) :l-91--' ISW-218-2I r 5*

j t VENT SW-185-4I (B,3) NH-36664,---t--=-----1><::J-----:;:;::::::::::;:::=:::;:;--;::;:::::::::;::::;::::::;:;--1------ l--=-----1: r GEN. H2 COOLER (D,3) lSW-214-2I ISW-215-2 E-BDM 8" --- - 6" SW-32-4 "v"" ~ -..- ~ l 4**-150 J SW-184-4I (FG\\. _ tl ;;:,. ISW-213-2I;;:,. 11Lo C [3 / 4 -1 56) [r,3,-,, 1""4.-_=55=--, ---... - 1561 ~ 1 1/2*~\\-,.,..., C ISW-36-1 I SW-252 I._ _ _,,,,,,,.....,,,,,._ /Tl\\ I SW-251 I'\\. 1 ~ 11L, 1,.-----,

11L, 1L* - r=:--.' \\ SW-207-2 rl_:a:l_l--r--l~*- 2~591 ( 3/4"-65~ \\, I SW-35 I - 3* ~ - fl-P-2B LO. 1 - 72 fl-f Tl \\ SW-65-21

( 2"-65 ) <M1102 _... 'rc,w""o"-:;-;,1L-C:..:Oc::O.::LE:;;R'-' - - -2* \\1§5 ISW-206-2I.7 -+ !'s1 2" 1 1/2" EXCITER AIR 1 1/2",

NOTE: 3 /Tl\\ ~ NH-36041-2 J ~ SW642 Piri\\ +-

...__.A - *1 Ln.J I 1o, 12 _ 15.~ -,ivvi COOLER ~.... ' ' ISW~~~21 7T57;3,.......;l:J..=. __ (_D-,,8) ~ ~ 1 1/2"-65 L11.l /Tl\\ (FG\\ C 3"-150 l 'f I: * - 1 I SW-36 I *,u ~ E-16 ifu\\,l: :: ~A I - '\\

~ t 2 -156 J sw-34-si m /TE\\ (TE\\ SW-33-21 I SW-33B I ~ M.G. SIT i: ~ 1----D<:J--3=-"-i PUt.tP 3* y3 ~9,ta~W-63-2 ~- ~ ISW-53-2I

( 2**-155 J t11i2-156l I I \\cj78-2 \\g-l78-1 ( 2"-65) ( 2"-65) I 1----'--- -- -::J-.L.>--I E-2-184-1B 1--.---D<-,,,::J--- !I',-..._ OIL COOLER *.....__ ~ ~ P-28 WOTOR ,,1e::s~w=-=3=4:!::B::!:ltl(hr"D-*A:fi:S~W~-~3~4-;;;;2~:l~*r:~~..JL T_.!:2-1" ISOL. PHASE BUS 2" T.,r *,r 1o ISW-125-2,, ISW-124-2 SW-62-2 REACTOR FEED PUMPS r

___ J/2°"-1561 COOLER COIL i....r"------,---------f>c.:J_----{_X~l------------------------1,.!, c4*-150J '12' c4**-54J r 3 -54 l (FG\\ /Tl\\ (3"-150) J C 2"-156 l --* SW 34 51 m (TE\\ E-178 ISW-33-4.(~' (TE\\ SW-33-11 I SW-33A I ~ - 1**-155 l II \\g-l7A-2 C 1/2"-65 l * \\.E-l7A-1 ( 2"-65 ) ( 2"-65 ) L...!..!:.l ' ' ISW-26-2I ' ' \\! 5~6 \\1§0 SW-63-1 I I SW-34A I
_ SW-34-4I,
T 2" ISOL. PHASE BUS _ 2..
il 1..J *.J PUt.tP 3" I. T Cr-.. 3" COOLER COIL ~-"-----.-...L-----l><.J-_---,_IX_}-----------------------1 P-2A MOTOR - -

. - 1 * "'1 1/2"-156) E-17A =~~~,. cH4**-15e SW-62-1 t 1.. 156 * - - SW 34 1, ISW-33-31'\\. t Y-54 J ISW-34-3 "'4 -1561 r 1 -156 l (1/2"-65) "* SW-321 I

'. ' SW-323 I l~SW:::-:::3:::0:::9 ::'.::l*f----, 1 u t.....___ l' I SW-329B 1 -156 J I. '

1---=11:...* -,-,-:::i--_~I-,..-.,..,-:.....,-:...._-{=)l-(,t-::;~=~~-=---1'-*-o--,* fu\\,l' f f1Z wN~o,~~" MUIUK 'fu\\,l'K-}--ll'\\..9:_l-'-1 *-<l-l-r-------1,, I SW-67-1 , '1 1/2"-156), (1 112-156 '~ - t1 _ 156, * \\( 1 _ 1 56 J - ' " 1/4' BEARING COOLER E-219B j" n 12:. _ 1 5e - " - -SW-322 ~ * : 3/4: !~ 3/4"-65 l ISW-214-1I ~W-215-1 '!.t----......... J I SW-325 I SW-305 I SW-308 I I SW_ 316J-sj n 12 -1561, * ' t 11 SW-318 1 C 1"-156)

'. I * - ~~~ Lu fll ',~ ;i, ISW-329AI *,-----___.!:IS~W~-~19=0-~2;/I I SW-192 I 3* ~.. --... ~ ;;:,. ISW-213-11;;:,. 111..,
*,,., ~-- 1" - 'Lna* f w*rowER" ou,un 'L~,. - '\\...__ 1 r (FG\\...__ "".A TL 1 1/2" JF -.,2"-JF L---,...,~'-:--~-~-~-f,,.ll._1:.,1---....,-~-~ _,~c.----'--D_-1,,,,.,,, t* BEARING COOLER E-219A t* *,,,.,,, - --,.. OFFICE BLDG... I '. <M 146) RAW 2

( 1 "-156 l. (1 1/2"-156) 2 2 2 15 n,z*-156), r, n/ - \\6) V-CH-5 11L*I 1 1, 1* 11/2""-, \\-.>', 8 ~ - '- \\ SW-207-1 NH-36348 - "' Fl SW-304 I I SW-303 I I SW-315.]\\J l 'I SW-317 I l1 1/Z--156) '~ J 1/2*_ 1" P-2A LO. 1"-1 12 1/2"__:- (A,6) I SW-258 I (1 liZ--156 I - 11* " LU fll ~UNV, *, ~ 1* I SW-300 I -C...,C><,J-D _--1 COOLER - - - 2* ( Tl \\ SW-65-11 \\1§2 ISW-206-1I - I SW-290 I I SW-311 30.!.- ~ -,,,1 UPPEr ou,un *Ln>* - ~ ISW-193I I SW-126 SW-64-1 \\L~ H.S. B 1---{-:a::l--lOI" t1 112*-1551 t--,,-__,-----t.-.,r.,C:;:::l =11:;;2;:: __ :::15::;:6):---=--p-_-j,fu\\,l, j" BEARING COOLER E-21BA j',,,,.,,,1-C_H_ca:_1---,r------l, 7 ( 1"-156) AC CHILLER --j ( 3**-54 1 112 -65 Lin B

-- *

sw-324 1, *, 7 r'"1,..,,...._.,..,15,..,5"'1 SW-302 I n,2 -1561 'P 0/2"-156! 1,, 1 -156,1* SW-312 1 - - UNIT 1-----f,X,H L - (1 1 /2"-65) (1 1/2"-156) I~sw=--2=8=s~I, *

-...._....,........,....__,-. V-CH-1 ___J SW-129 I 4" ",,_ -
- ----~ SW-307 I ISW-32BAJ--J LUrf12 l.....,,...,..,,,...,mm,...,,,...,.., COND PUMP MDIDR, :,I SW-319 I I ~,.,,,~=--., * "SW-301 I, Pl, 1 -156, I SW-127 I ' ' I SW-128 REACTOR BLDG
'

I * - 'Ln>I UPPER ILna* - - \\7353 SW-313 1 CY-150) A.C. UNIT - - ISW-291 O /2" -156) !' '-----'---- ~- -J-------'-1_* -I j',,vv, ~tARING COOLER E-218B 4,.,.,,,.....,,,!, -----!,--!' n /2"-156! -glf---, ---=----=-'" - -J--<-:H V-AC-9 '.

* ~~~,,.~ * "r" n 12 156l,. n 12**-156), * /Fl\\ * " ~-,-, - _... CONDENSER WATER

I SW-314 t 1**-155 l nt2 -1561 1 ( I SW-332 C 1 -65 l I SW-331.]\\J I ~OQ., 1 1 SW-320 FOR OFFICE ADDITION CHANNEL VENT 1* ',; SW-306 I ISW-3288I,J fu ~~~. ~I SW-161 I '--"'-'-'-"'"--'-' L~,I.. f;,::-_.
7 CHILLER SEE DWG ~I s

<X) 3/4" -JF lYP y 6~.---~c;::;3~,;;;..... _::,..,1~5;:;,o:::J---------~--~----....,---~--------~-----------c_><1_1--------------IQl_~__,,j.i--_---:t=1~---=e~5~~J"i.,, ~ 2 6" ', NH-87125 (t.t10) < M-149) ISW-278I ~69

, 4_" ___ _.:l~SWn-3(18::'._ _____ ~---lCONs°EA~A~AiE~MP 3" I SW-330 I SW-310 '"i..:j 4* ~ NH-36261 (E,4) 11/2" x 21/2" 1104, *,./'" ISW-148-31 aP t12'"-418J,

COOLER E-3 - - - 3* (lYP--'-) r TYP f942 --'--C-':li.', V'"",'Tl\\ (3/4"-156) I SW-131-3I, 1

-, i < M-104-1) t 3 -54 1, H--1*x*1--7 _ _,_-1*~ rtffi, I,, ~6 *......__,.,,l----'-<:li (1 1/2°"-56) Ill\\ NH-~6~~5-2 SW-37 I [1 1/2"-651~-------------------------~ \\ 1597,B,2, 3" 7 * "\\ II ~) II I *1 12.-NOTES:

ISW-40-2I ~ COND. AREA ISW-39-21 M 110 2 > 10 ISW-130-3 * /[SW-132-31 1. BRASS OR BRONZE TRlt.t. 1 1/2"...=. A.C. UNIT 1 1 / 2" -,/ TO SERVICE NH-36041-2 2. ORANGE LINES ARE INTERNAL FLOODING

-~ WATER DISCHARGE (D,6) I ( 12"-54 - ~I f;x\\ *r~V\\ ISW-277I IJ~, RELAlID.

SW-42-1I 3/ 4" r SW-96-1 V-AC-2 - } HEADER 1'i \\.1~03, r I /[SW-148-21 aP ( 12*-415 )'\\, _ 3. SS VALVE 6EQVENG27005. 1-__ _:3.:..." __ ~3 150 VENT I j/4 -156l COND. PUMP AREA *

_ 3.__1'_'-_JF __ -1:- < M-112 ) r--:---C-'":f..k ' l/ ITI\\ r941 ISW-131-2I, l 4_ rrD cn4 11-. rni;i uA1\\c unr.~1 c:: COLOR LEGEND

--t::eJ-- A.C. UNIT ~;;;;ll "1~4~~11:f;'.~:::;----;:~~:;;-1 - NH-36664. _ -,', tIB, I, 1555 A ~ ~- ECR 601000003585 FOR VALVE MODELS. \\ -,"'.Sl./l CU<:S '/0-;UIY Cf,:OLI-,,:,

ISW-42-2I 3; 4*:,.- SW-96-*2 V-AC-3A *SW-95-1 1/2" DRAIN I SW-41-1I (B,6) H--i~x-~-;---'--111 " "~-"-=--'-------~--~*,,,,,-- -ASME CLASS 2/QUAUlY GROUP B 1-__ _:3:...* __ ~_3 -150 VENT I. j/4 -15~l * *t1t2**-55J 3* < 3 -54 J ~, 1 1 \\ E.::51, ~ v. /LSW-132-2I - f;-.. 1,,,., 12-TO SERVICE WATER -ASME ClASS 3/QUALITY GROUP C

--c:eJ-- *- A.C. UNIT ~:3*E1 ;.. ~~11:~:--::=-::~~~ ISW-130-2 -,--.xv l'I \\ DISCHARGE HEADER -QUALl1Y GROUP D SW-40-1I SW-40-3 V-AC-38 r, NSW-95-2 1/2" DRAIN ISW-41-2I ( 12" -54 - - i \\1567 \\1!1f!.8... '----l:(M-112) -sA.T-r TAT--, '-,IICIIAJIIC.A 3" ~ 2* 2 -65 COND. AREA AC. * ~ 112**-55 o* 3* ( 3"-54 ) *l'. ~ I SW-276I 7 NH-36664 -SAF£TY RELATED ELECTRICAL A 1

A 1----==------1;9J-- L ___,.-_V UNIT V-AC-1 I'./ _j - _....._ I \\.402 *v1SW-148-1I, * - aP [ 12°-418 l ~, ~ ~-__!(~A,~3) ______________ _!:!-~~~~~~~ITTM!:::!j

- 3.. SW-40-4 UPPER COIL I SW-39-3 3,, SW-39-1, 7,-k ' ITI\\ r940 ISW-131-1I, l ~ This map/document is to assist employees in the performance of their jobs. M-11 Q
- < 2 -65 1-:c"'o"'ND:-.-,A""REA:,--,A,-:C,-. -I < 2 -65 < 3 -54,,,...~......,,s"'w,.._...,.4""3'I rb-,~... -t--+---D<~::t---:--:--il-'-,', rr m> I,, ~ 4.,...- _tll Your personal safely is provided for by using safely practices, procedures and I SW-44 I ' " _ 2......,- V UNIT V-AC-1,

t3l4 LOWER COIL.... 2*.. -65l equipment as described in safety training programs, manuals and SPAR's.,..,.M.,.,O.,.N"'T,,...I...,,C""A"'D-D""W.,.,G,,-,....,A.,.T" I SW 136 11 ~ '------~ I SW-39-4 =~~= ~ ~ - 1 SW 135 11 sw-- /, 0 - \\! 11 ~ VC_tj~~NEL.. --,* * " "
DRAIN 1 I SW *14;* 7 1r....;;;._

(3/4**-156).._,-, ~ ISW-136-3I l 2**-55 ISW-135-3I ~ *, t3/4**-65J 25 I SW-130-1 lYP ~ P&ID ISW-136-2I I -.~..r_ t3t4* 156) C3/4'"-65l -,. -E--11-MIIIF==l.:..,..,;;;:::;:;;;:::;, (12"-541 (1"-65 1:-JFTYP,JL 1 [3/4-156)

~, ~ ISW-135-2I SW-132-1 I l~s=w~-~14~8--~4-r.,, '~ I, I SW-148-5 I ~ I SW-148-6 I SERVICE WATER SYSTEM
<314 -156l~;,.]---l-_,,,-- ISW-136-4I ISW 135 41 - -,1 <314 -65l MONTICELLO NUCLEAR GENERATING PLANT SCALE: NONE REV 123 7 ~ - : (3/4--156) (3/4 -651 ~ : Z oRW r3, 4 - 156' --..____.............. c314**-155J
~ ~ ISW-136-5I ISW-135-5I ~ *, 7 REACTOR BLDG C.W. HEAT EXCHANGERS ToRW I sw 148 B 1 ~ Energy-Xcel
- (3/4" 156) (3/4.. 65) - ~ NORHRN STA1ES POIIER COIIWfY NH 36041 6 5 4 t 3 2 1 8 7 6 5 4 3 2 1

REVISIONS NH-36041-2 76 EC 11951 79 79 A/R 01121715 DWN: JJP 3-4-08 CHK: BJR 3-11-08 REACTOR REACTOR APPR: RMG 3-12-08 BLDG BLDG 77 EC 15913

DWN: JJP 3-30-10 OFFICE OFFICE CHK: BAL 3-31-10 BLDG BLDG SW-201 SW-203 SW-202 SW-200 APPR: CER 4-23-10

SW-137 2" 1" 1" SAS RM SW-138 78 EC 22433 D D V-AC-13C DWN: JJP 8-20-13 SW-221 SW-220 CHK: BAL 8-20-13

1" BBA RM APPR: NEO 8-21-13

V-AC-13D 79 EC 26170

CV DWN: JJP 10-6-15

4686 CHK: SDP 10-6-15

SW-287 SW-288 APPR: NTM 10-6-15

1 1/4" ACCESS CONTROL 1 1/4" 1" V-CH-6

CV 4687 SW-285 SW-188 SW-286 SW-189

COMPUTER RM 2 1/2" 1 1/2" V-CH-4 3/4" 2 1/2" 3/4"

SW-120 SW-121 3"-54 3"-54 3" 3" OFFICE BLDG

MO V-CH-2 4285A SW-243-1 C SW-92-1 C

SW-240-1 D 4"X3" 4"X3" SW-241-1 SW-242-1 3"

PS 4286 D V-E-12A ACCW-3-1 TICV 3" 4"X3" 4"X3" 9316A

V X ACCW-4-1 TE X X X X X X X X X X X X X 3"X2" 3"X2" 2-1/2" ACCW-2-1 V ACCW-1-1 V-P-12A ACCW-2-2 3"X2" MO 3"X2" 4285B TE 3" X X X X X X X X X X X X X V X ACCW-1-2 SW-92-2 3" V-P-12B TICV D 4"X3" V-E-12B 4"X3" ACCW-3-2 9316B SW-240-2 ACCW-4-2

3" 4"X3" 4"X3" D SW-241-2 SW-242-2 SEE NOTE #1 (TYP) 2-1/2" D

SW-243-2 V ACCW-5-4

SW-93 LIQUID LEVEL V-ET-12 SIGHT TUBE ACCW-6-4

3/4" D. SEE NOTE #1 TYP B ACCW-5-1 " ACCW-6-1 B D D 2" 1" 2" V-AC-12A 1"

ACCW-5-2 ACCW-6-2 D D 2" 1" 1" 2" V-AC-12B

ACCW-5-3 ACCW-6-3 D D 2" 1" 1" 2" V-AC-12C

NOTES:

1. ALL VENTS AND DRAINS ARE FITTED

DEMINERALIZED

WITH 3/4" HOSE BIBB VALVES.

WATER RV

M-108 5/8"

NH-36039 (E,4) COLOR LEGEND D DRAIN TO SANITARY SEWER ASME CLASS 1/QUALITY GROUP A INTERNAL REFRIGERANT RELIEF VALVE SYSTEM (NF-36571) ASME CLASS 2/QUALITY GROUP B (TYP OF 3) JD JB (TYP OF 3) ASME CLASS 3/QUALITY GROUP C QUALITY GROUP D SAFETY RELATED MECHANICAL A

JD SAFETY RELATED ELECTRICAL A

SPECIAL CONCERNS ITEM M-110-2 MONTI CAD DWG ` ' D SERVICE WATER SYSTEM P & ID SHT 2 OF 2

MONTICELLO NUCLEAR GENERATING PLANT SCALE: NONE REV 79

sm Xcel Energy

NORTHERN STATES POWER COMPANY NH-36041-2 8 7 6 5 4 3 2 1 MONTICELLO NUCLEAR GENERATING PLANT Xcel 8 7 6 5 4 3 2 1

REVISIONS NH-36042-2 76 EC 11951 A/R 01121715 M-111 M-111 DWN: JJP 3-4-08 NH-36042 NH-36042 (D,5) (C,8) CHK: BJR 3-11-08

SEE RHR PUMP VENT APPR: RMG 3-12-08

RBCC-88-2 RBCC-89-2 & DRAIN DETAIL (TYP) 77 EC 19671 M-121 3/4"-130 FG NH-36247 3/4"-19 RBCC-90-1 DWN: JJP 10-10-16 RBCC-90-2 RBCC-14-1 2349 (E,2) RBCC-13-1 77 CHK: BAL 10-17-16 CW6-1"-HF TO RHR PUMP APPR: MM 10-18-16 D P-202A (10-3A) D

11 3/4"-130 FG 3/4"-19 RBCC-87-2 RBCC-14-3 2351 RBCC-13-3 RBCC-87-1 RBCC-78 RBCC-79

TO RHR PUMP C06 P-202C (10-3C) C06 RBCC-86-2 MO HS RBCC-86-1 MO HS 4230 RHR ROOM WALL RHR ROOM WALL 4229 4230 4229 (NOTE 1) 13 (NOTE 1) RBCC-85-2 3/4"-130 FG 3/4"-19 RBCC-85-1 RBCC-14-2 2350 RBCC-13-2

TO RHR PUMP

RBCC-84-2 P-202B (10-3B) RBCC-84-1 8"-N237AB C06 RBCC-15 MO HS 12 1426 1426 CW7-1"-HF 3/4"-130 FG 3/4"-19 RBCC-14-4 2352 RBCC-13-4 RBCC-83-2 MO-8"-N29AB RBCC-92 RBCC-83-1 TO RHR PUMP P-202D (10-3D)

77 RBCC-82-2 14 RBCC-91 RBCC-82-1

X-24 X-23

RV 1725 TR-1720 C25 C (C,3) HS C 1" 1428 TE TE 1/2"-130 1720E 1720J 1/2"-130 MO RBCC-57-2 RBCC-52-2 1428

" ORW ORW 4344 CW4-4"-HF DRYWELL COOLER CW3-4"-HF RBCC-81-2 V-CC-2

RBCC-19-2 RBCC-18-2 3/4"-65 MO-4"-29 4"-142 4"-237 RBCC-56-2 RBCC-53-2 RBCC-55-2 2 1/2"-340 TYP C06 H RBCC-54-2 A RBCC-80-2 RBCC-81-1 ORW ORW

RBCC-77 RV C25 1726 TR-1720 C25 TR HS RBCC-80-1 1720 1" (C,3) TE TE 1429 RBCC-76 1/2"-130 1720F 1720K 1/2"-130 MO RBCC-57-3 RBCC-52-3 1429

" ORW ORW 3345 TE CW4-4"-HF DRYWELL COOLER CW3-4"-HF 1720B

RBCC-56-3 V-CC-3 RBCC-19-3 RBCC-18-3 RBCC-55-3 3/4"-65 MO-4"-29 4"-142 4"-237 RBCC-54-3 RBCC-53-3 2 1/2"-340 TYP

3/4"-65 RBCC-57-7 ORW ORW ORW 2"-19 TO RECIRC. RBCC-20-2 CW4-2"-HF PUMP P-200B CW3-2"-HF M-117 B B NH-36243-1 B B RBCC-21-2 L FS (B,6) 2"-130 2-2-23B RV 1723 12

1" TE M-138 RBCC-51 1720C TR-1720 (C,3) 2"-19 RBCC-50 NH-36044 RBCC-16

" ORW E-25 (E,3)

RBCC-17 2"-130

RV DRYWELL EQUIP DRAIN SUMP HEAT EXCHANGER 1727 TR-1720 C25 1" (C,3) HS TE TE 1430 1/2"-130 1720G 1720L 1/2"-130 MO RBCC-57-4 RBCC-52-4 1430

" ORW ORW 4345 CW4-4"-HF DRYWELL COOLER CW3-4"-HF

RBCC-56-4 V-CC-4 RBCC-19-4 RBCC-18-4 RBCC-55-4 3/4"-65 MO-4"-29 4"-142 4"-237 RBCC-53-4 RBCC-54-4 2 1/2"-340 TYP

3/4"-65 RBCC-57-8 ORW ORW ORW 2"-19 77 TO RECIRC. RBCC-20-1 CW4-2"-HF PUMP P-200A CW3-2"-HF NOTES: COLOR LEGEND

M-117 1. INTERNAL FLOODING RELATED. ASME CLASS 1/QUALITY GROUP A B NH-36243-1 B ASME CLASS 2/QUALITY GROUP B A RBCC-21-1 L FS (B,2) ASME CLASS 3/QUALITY GROUP C A 2"-130 2-2-23A QUALITY GROUP D RV 12 TR-1720 C25 SAFETY RELATED MECHANICAL 1724 SAFETY RELATED ELECTRICAL 1" (C,3) HS 1427 SPECIAL CONCERNS ITEM TE TE MO 1/2"-130 1720D 1720H 1/2"-130 RBCC-57-1 RBCC-52-1 1427 M-111-1

" ORW ORW 3344 CW4-4"-HF DRYWELL COOLER CW3-4"-HF MONTI CAD DWG ` ' A

RBCC-56-1 V-CC-1 RBCC-19-1 RBCC-18-1 RBCC-55-1 3/4"-65 MO-4"-29 P&ID REACTOR BUILDING COOLING WATER SYSTEM 4"-142 4"-237 RBCC-54-1 RBCC-53-1 2 1/2"-340 TYP 3/4"-65 MONTICELLO NUCLEAR GENERATING PLANT SCALE: NONE REV 77 RBCC-57-5 sm ORW ORW ORW Xcel Energy

NORTHERN STATES POWER COMPANY NH-36042-2 8 7 6 5 4 3 2 1 MONTICELLO NUCLEAR GENERATING PLANT Xcel MONTICELLO NUCLEAR GENERATING PLANT Xcel 6 5 4 3 2 1

3"-29 DW21-3"-HC DW21-3"-HC FLOOR DRAIN REVISIONS NH-36045 CRW-59 SAMPLE PUMP 78 EC 11592 DW12-3"-HC

SV
SV DW12-3"-HC DISCHARGE FLOOR DRAIN CROSS-TIE FLOOR DRAIN LOW CONDUCTIVITY M-140 A/R 01094672 2605C C96 HS
2605A M-140 M-140 NH-36046 CRW-96 NH-36046 NH-36046 DWN: JJP 10-3-07 3"-29 15# 2602 PRO-1
C96 (E,1) CHK: BAL 10-11-07 FRC (E,2) (E,1)

CRW-58 A/S C96 2605 A THIS DRAWING APPR: DZ 3-5-08 (C,6) FROM CONDENSATE SLUDGE PUMP

SV
AO C96
C96 2602 A FS SX C217 CRW-45 2"-19 M-140 TO FLOOR DRAIN FILTER 2605D L L 2605
FT
FCP RWN27-2"-HC 79 EC 11951 M-141 C96 SV
AO
C 1 2609 2"-19 CRW-46 CRW-114 NH-36046-2 T-27 VIA SC14-2"-HBD (C,4) FROM CLEANUP SLUDGE PUMP L 2605 2605 A/R 01121715 NH-36047-1 2604 2604 RWN44-3"-HC (D,8)

VENT DW23-2"-HC DWN: JJP 3-6-08 BACKWASH CRW-97 SV FROM DRYWELL & REACTOR CONDENSATE HB HC AO

C96 CRW-102-2 2636 CHK: BJR 3-11-08 E BLDG. EQUIP. DRAIN SUMP 3 SC15-3"-HB FE
CRW-44 (E,4) E M-138 M-108 2602C 2605 SV APPR: RMG 3-12-08 FROM TURB. BLDG. FC 2607 3"-237 AO SV 3"-463 AO NH-36044 NH-36039 1" 2610 2610 RESIN CHARGE M-136 CRW-102-1 2636 80 EC 12127 (C,1) EQUIP. DRAIN SUMP (D,6) SERVICE AIR CRW-43
AO SV CRW-48 NH-36257 (E,6)

M-131 3"-237 AO RT70-3"-HC A/R 01113763 2607 2608 2608 DW9-3"-HS SV NH-36049-4 *

C96 C96 *
DW15-3"-HS DWN: JJP 3-17-08 M-128 FROM CLEANUP (A,6) PS HS SV AO HB HC AO SV NH-36254 SYSTEM 2597 SA5-1"-JB C96 2602 2602B,C&D 2602B 2602B 2611 2611
CHK: BAL 3-20-08
SV VENT FAI APPR: JCG 3-24-08 (B,8) AO 2603 PRO-1 AO-3"-463M3 2597 PI
PI C96 FC CST-142 4" 81 EC 12408 2602B 2602C FAI 2"-223 FAI AO-1"-462 SV
A/R 01117937 2592 VENT
AO-3"-463
AO PT AO WASTE DWN: JJP 4-29-08 2602B C84 H C84 H 2603 AO SV 2619B SAMPLE 88 A A CHK: BAL 4-29-08 AO AO FAI 1" 2591 2592 4" CRW-40 1"-HC 1" FAI 2612 2612 SV APPR: JCG 4-29-08 1"-223 TANK C84 H JB HC 2619B SV AO-3"-463 HK HC A WASTE WASTE AO-1 1/2"-462 T-31A 82 EC 9655 2591 CRW-41 C96
C84 1"-19 HS COLLECTOR
COLLECTOR 10,000 GAL PRO-1 AO C84 C84 DWN: JJP 12-8-09 TS PX FILTER 2602A DEMINERALIZER TO SPENT RESIN C84 11 C84 2596 HS E/S LR CHK: BAL 12-9-09 2860 T-25 C96 SERVICE T-65 TANK T-66 C84C-1 2622 HS *
CONDENSATE M-141 2619B WASTE COLLECTOR TE TI PX PI C96 * (P.O. M-31) SV C84 2 PEN APPR: KEC 12-9-09 2861 1 SV 2602A M-114-1 NH-36047-1 CR MIXING *

(TYP) TANK T-24 2596 2596 2606 NH-85509-1 2669 C84 83 EC 12933 2605B (E,1) EDUCTOR LT 1152 GAL/FT * (C,4) HS SV C84 AO C96 2619A 2622 2635 dPI

HS C84 C218 DWN: JJP 4-21-10
E/S CRW-42 2605 2602A C LS PI SX CHK: BAL 4-21-10 D MIXING C84A-3 1"-223 2602 C C84 AO D EDUCTOR M-114-1 4149 C96 3/4" LRW-100 PX PX HS 2622C 2633 2634 2635 APPR: KEC 4-21-10 10,000 GAL LT NH-85509 H HC HS 2862 2863 L A (C,4) WASTE COLLECTOR A 3/4"-19 C84 H SV C84 84 EC 20192,20195,20310 2593 CRW-151 A C217 C217 2619A SV TRIP TO LR-2654 FILTER HOLDING CE CIT TO FLOOR CRW-25 M-140 ORW 2619 2619 2620 PUMP P-35
dPS C217 AO 3" FC DRAIN DISCHARGE DWN: JJP 9-13-12 NH-36046 dPT
2602 THIS AO YS dPIS SX 2619A AO CRW-54-1 LINE CHK: BAL 9-14-12 C84 (D,5) A DRAWING 2613 2616 2617 2618 2620 HC HS CRW-53-1 3"-237M3 DW14 C19 M-140 LS C96 C96 2602 2"-130M3 1115 APPR: JCG/JIH 9-14-12 CRW-26 1/2" * * *
RV RT19-3"-HE 3"-29M3 DW14-3"-HS NH-36046 PX S-13 2593 C84 C84 AO SV HS PI 2600 FAI SV CRW-92 85 EC 19489 L HS C217 3/8" A 2598 2598 2602A SV XJ WASTE SAMPLE (D,2) 2858 SX 2613 C84 2595 (TYP) CRW DW9-3"-HS FO 2621 3482 PUMP P-36A SV TDS CRW-29 TRIP 4" AO-3"-463M3 110 GPM 2640 DWN: JJP 3-20-14
HS CRW-50 AO CRW-24 3/4" RWN32-3"-HC AO 1 1/2"-462M3 11 CHK: BAL 3-20-14 3/4" 2601 CRW-64 2621 AO FAI
ORW HE SV ORW ORW 2640 APPR: JCG 3-20-14 RWN31-3"-HC CRW-33 PI CRW-31 CRW-32 3"-237 SV 2614 86 EC 28099 3226 2594 2601 DW10-3"-HS 2"-19 3"-29 C96 AO PCV WASTE COLLECTOR 1 2615 TO FLOOR DRAIN DW18-3"-HS RT32-1 1/2"-HE 2614 1"-65 DWN: JJP 3-20-17 ORW PUMP P-32 SAMPLE TANK VENT
FAI ORW
CRW-78 AS-25 M-140 CHK: BAL 3-20-17 CRW-100 110 GPM AO 1/4"-276Y SA5-1"-JB SERVICE AIR 4" AO-3"-463M3 2599 M-131 NH-36046 CRW-61 APPR: JCG 3-20-17 TO FLOOR DRAIN PUMP
TO SPENT RESIN (E,2)

M-140 AO TO WASTE CRW-51 HS JB FC NH-36049-4 2"-19 87 6MODWMO27809 C SV 2602D SLUDGE TANK TANK T-66 1"-276Y AO-1"-462 (A,6) WASTE C FLOOR DRAIN NH-36046 4 2599 M-141 CRW-126 (C,6) C96 T-35 FLOOR DRAIN PRECOAT CROSS-TIE RWN34-2"-HC NH-36047-1 SAMPLE DWN: JJP 4-19-18 M-140 1" (E,1) RETURN LINE CHK: BAL 4-23-18 M-140 TANK NH-36046 TO RT-19-4"-HE M-140 RT24-2"-HC APPR: JCG 4-24-18 (E,5) RT12-1/4"-S.S. TUBING NH-36046-2 T-31B C84 M-140 NH-36046

NH-36046-2 M-136 M-136 (D,2) 10,000 GAL E/S 88 6MOD00016745 SRW-64 (E,5) FG FUEL POOL PRECOAT C84C-2 (A,6) NH-36257 NH-36257 2646 1152 GAL/FT RWN36-3"-HC RWN35-3"-HC (B,4) (B,2) RETURN LINE 12 DWN: NJM 6-5-18 FG-1 M-136 FROM AO-2689 SV AO RT20-6"-HC RT20-6"-HC NH-36257 CHK: AJR 6-5-18 DW21-3"-HC M-140 (A,5)
2653 2653 SV AO 1"-HB MIXING APPR: DJS 6-6-18 NH-36046 2652 2652 SERVICE EDUCTOR FROM FUEL (A,6) 1"-HB LT SV CONDENSATE 2623 POOL SYSTEM FPW13-4"-HB RWN39-3"-HC C88 H M-114-2 C218 2639 M-135 A 1"-HB C84 L NH-85509-2 LS PI SX AO NH-36256 FAI C218 FROM CLEANUP CST-38 CST-77 CST-37 (B,5) C84 (B,2) AO-3"-463 SX PRECOAT PUMP 1"-130 1"-130 1"-130 PX PX HS 2623 2637 2638 2639 2864 2865 L A TO CONDENSATE FROM RHR
2651 M-129 C84 STORAGE TANK SYSTEM VENT 2" NH-36255
S-10 S-53 S-11 TRIP TW37-4"-HC LS HS HS LS C19-3"-HS VIA SC16 M-121 CRW-23 (A,5) 2647 2645 M-108 NH-36247 2" SIGNAL FROM 3" FC SV L L CLEANUP SYSTEM CRW-54-2 NH-36039 (C,4) 3456 AGITATOR AGITATOR AGITATOR (A,2)

TO CLEANUP M-129 HC HS CRW-53-2 3"-237M3 DW17 C19 DRAIN LINE WASTE FUEL POOL WASTE NH-36255 3"-29M3 4115 (E,5) WASTE SAMPLE DW17-3"-HS M-129 PRECOAT RESIN FEED FILTER AID XJ NH-36255 PCV 3483 PUMP P-36B 3456 TANK TANK T-81 TANK (A,6) T-30 T-29 ORW 110 GPM WASTE SURGE 4" 12 B TANK T-23 PI

SC-1"-HB ORW DEMINERALIZED B 10' X 25' DIA. PI CRW-89 PI WATER 3672 GAL/FT 400 GAL 112 "-HC 3262 M-108 2" 1/2"-130 (P.O. M-16) *
150 GAL PI AO SV HS DISPERSER NH-36039 C84 4" S-46 (E,4)

E/S AO 3263 3259 3259 3497 CV-10 C84B-1 TO LR-2688 CRW-68 NOTES: 1"-462 S-31

M-140 CRW-80 1 CONTAINS STAINLESS REPLACEMENT MIXING NH-36046 2"-462 CRW-109 EDUCTOR SV ORW TO CLEANUP TUBING. REFER TO MOD. 97Q040.

(B,6) A/S 1/2"462 BACKWASH LINE DM-260 CRW-81 ORW 1/2"462 CRW-74 CRW-69 2645A 2. HS FURNISHED ON C96 WITH THOSE AO's MARKED

LT 6"-463 PX *
C96 C96 M-141 3/4"-176Y 35,000 GAL 2649 CRW-83 RATE SET 2866 AO SV AO L L NH-36047-1 C84 FOR 110 GPM 1/2"-223 POLY INJECT. 3 STAINLESS 316 TRIM.

LS PI 4"-465 3260 3260 CRW-70 2645A (E,3) C84 CRW-106

PX CV-11 C96
C96 TANK PX PX HS 2649 2650 PI 2867 CRW-110 HC HB TDS 4 CRW-101-1 & 2 AND ASSOC. PIPING FITTINGS PER EC8206.

2868 2869 L A CRW-75 TIMER T-70 3"-29 C84 2648 1/2"-223

CRW-150 TRIP CRW-36 RWN38-3"-HC RT16-6"-HC
C88 FC CRW-149 HS C88 SV 50 GAL 3"-HC RWN37-3"-HC CRW-87 2" 4150A C96 C96 C96
C96 2644 CRW-38 CRW-82
SV AO TDS HK HC CRW-37 3"-237 6"-465 6"-237 PROGRAMMER HS TIMER SV AO 4124 PX TIMERS 2645B 2645B
CRW-63 COLOR LEGEND 3"-29 3417 2642 2644 1/2"-76Y ASME CLASS 1/QUALITY GROUP A ORW SV 1/4"-462M3 TO WASTE ASME CLASS 2/QUALITY GROUP B SV C84 WASTE SURGE CRW-86 WASTE PRECOAT CRW-77 AO HS SLUDGE CRW-91-1 FC ASME CLASS 3/QUALITY GROUP C PUMP P-31 2"-466 PUMP FC M-141 2642 QUALITY GROUP D C96 *
110 GPM ORW 2"-19 HS CRW-71 NH-36047-1 RV SAFETY RELATED MECHANICAL C84 A/S P-34 WASTE FILTER ORW SAFETY RELATED ELECTRICAL A HS CRW-85 225 GPM 1/4"-462M3 AID PUMP 1/2"-223 (E,4) CRW-91-2 145 SPECIAL CONCERNS ITEM A CH7-2"-HC 145 CRW-72 SV AO TO FLOOR RATE SET P-48 2641 2641 C84 AO AO ORW TO CONDENSATE HS M-139 A/S DRAIN FILTER RT18-2"-HC FOR 55 GPM RT13-1/4" O.D. SS. TBG. PHASE SEPARATORS M-140 RATE SET FOR 340 GPM
TO P-39 CH25-3/4"-HK MONTI CAD DWG ` ' S NH-36046-2 1/4"-276Y FG 1"-19 FLOOR DRAIN FILTER AID M-141 CRW-73 3426 CST-105 PCV M-141 NH-36047-1 FC C84 O C84 O (D,7) 3261 PUMP P-46 NH-36047-1 FC P&ID L L TO CHEMICAL TO FUEL POOL (E,5) CH26-3/4"-HK C C WASTE TANK * (C,5) SIGNAL FROM COND.

FAI FILTER/DEMIN BACKWASH TRANS. SV AO CLEAN RADWASTE SYSTEM M-140 M-136 PI CRW-144/RT P-143 NH-36046 NH-36257 3/8"-HC 1/2"-HC 3264 SERVICE CONDENSATE SERVICE CONDENSATE PUMP P-79 2643 2643 MONTICELLO NUCLEAR GENERATING PLANT SCALE: NONE REV 88 TYPICAL FOR FAI TYPICAL FOR F.O. OR F.C. M-114-2 M-114-2 M-141

sm VALVES VALVES (B,6) (A,6) CRW-105 3/8" CRW-107 (B,5) NH-85509-2 NH-36047-1 Xcel Energy 1"-130 (B,5) (A,5) POLYMER INJECTION PUMP NORTHERN STATES POWER COMPANY NH-36045 6 5 4 3 2 1 MONTICELLO NUCLEAR GENERATING PLANTXcel 8 7 6 5 4 3 2 1 NH-36046-2 REVISIONS 76 EC11951 1./R 01121715 BACKWASH COND. FROM (!V/- /4/) DWN: JJP 3-4-m! FROM COHO. SEIMCE WASTE PREroAT -----------i.....-----~---------------~ ~~-2>60'\\7 CHK: ~ 3-11-0S PUM~,B PUMP P-34 <..~-'5 APPR: RIIG 3-12-0S

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M-140 FLOOR DRAIN COLLECTOR TK. O'FLOW CRW-66-1 REVISIONS NH-36047-1 3/4"-276Y NH-36046 FROM CH27-3/4"-HK FROM FLOC 3/4"-276Y CLEAN-UP FILTER/DEMIN BACKWASH RT37-3"-HE (C,1) WASTE COLLECTOR DEMIN RESIN DISCH RT25-6"-HE CRW-67-1 (C,6) AGENT PUMP 3/4"-HK M-139 79 EC 9655 FROM FLOC M-136 FUEL POOL FILTER/DEMIN. BACKWASH M-139 CLEAN-UP FILTER/DEMIN VENTS V54-1"-HC (E,1) M-129 NH-36045 3/4"-HK FROM CH28-3/4"-HK 3/4"-HK NH-36255 AGENT PUMP NH-36257 FLOOR DRAIN FILTER BACKWASH & NH-36045 (C,4) TO M-139 (B,4) TO CRW-66-2 WASTE COLLECTOR DEMIN VENT DWN: JJP 12-8-09 3/4"-HK M-140 WASTE COLLECTOR FILTER BACKWASH RT19-4"-HE VENT DUCT (A,3) AO-3"-463 M-139 CHK: BAL 12-9-09 VENT NH-36045 3/4"-276Y DUCT NH-36046-2 AO SV NH-36045 CRW-67-2 (A,3) (A,6) WASTE COLLECTOR FILTER VENT SV AO APPR: KEC 12-9-09 SV AO M-139 2851 2851 (D,3) VD60-3/4"-HC 2702 2702 3/4"-276Y RV RT37A-3"-HE 2850 2850 TO 80 EC 15325 AO SV NH-36045 3112 VENT 6" 2703 2703 (C,4) FUEL POOL FILTER/DEMIN VENT RT25-6"-HE RV71-1"-HCD AO-3"-463 FAI FAI C84 C84 C84 DUCT M-136 AO SV L L L DWN: JJP 3-15-10 NH-36257 2853 2853 C84 C84 FAI AO-6"-463 FAI (E,1) RWN62-2"-HC 1 1/2"-HC SV AO LI CHK: PEB 3-15-10 E C84 C84 C84 (A,3) 2852 2852 LS LS LS E/S 2701 E L L L CONVEYOR FLOOR DRAIN SUMP 2920 2921 2922 A/S C84F-1 APPR: JPC 3-17-10 C84 C84 H C84 C84 C84 M-137 C84 FAI FAI AO-2"-462 L L L NH-36043 H C84 C84 C84 M-131 81 EC 11006 LI A C84 H A L L L LE LE LE NH-36049-4 LS LS LS 2696 LS LS LS (B,2) C84 LI A C84 2920 2921 2922 2911 2912 2913 2914 2915 2916 2697 LI LS LS LS C84 LI C84 A H C84 LI C84 A H FIC (C,5) C84 H C84 C84 ORW 2701 A DWN: JJP 4-29-11 2698 2917 2918 2919 2699 2700 LE LE LE A LT LS LE LE LE A LT LS A A A CHK: DDW 4/29/11 2911 2912 2913 2696 2696 2914 2915 2916 2697 2697 LT LS LE LE LE C84 C84 APPR: AR 4-29-11 2698 2698 2917 2918 2919 LT LS LT LS LT LS C84 C84 2699 2699 2700 2700 2701 2701A 82 EC 18294 HC HK HC HK

AO SV AO SV AO SV AO SV DWN: JJP 6-20-11 CONDENSATE 2704 2704 CONDENSATE 2712 2712 WASTE HE HK CLEAN-UP 6" 2724 2724 HE HK CLEAN-UP 6" 2729 2729 SPENT RESIN B1 B2 AO SV B4 B5 CHK: AWL 6-20-11 PHASE PHASE SLUDGE 2721 2721 PHASE PHASE TANK T-66 AO SV FAI FAI FAI FAI 2737 2737 APPR: DDW 6-20-11 SEPARATOR AO SV SEPARATOR AO SV TANK T-35 SEPARATOR AO SV SEPARATOR AO SV 2705 2705 2713 2713 AO-6"-463 2725 2725 6" 2730 2730 83 EC 20427 T-34A T-34B T-36A 6" T-36B

FAI FAI FAI B3 FAI FAI DWN: JJP 7-26-12 A AO SV A AO SV A A AO SV A AO SV FAI C84 C84 2706 2706 2714 2714 6" 2726 2726 6" 2731 2731 LS TDS CHK: BAL 7-27-12 13,000 GAL 13,000 GAL 7,500 GAL 3,000 GAL 3,000 GAL 1,000 GAL AO-4"-SP463 2701B HE HK HE HK HE HK HE HK HE HK HE HK APPR: JPC 8-1-12 FAI FAI FAI FAI L 11 HC HE A AO-6"-463 12 HC HE A 11 A 12 A 84 EC 25356 6" HC HE 6" 6" DWN: JJP 3-12-15 SRW-5-1 SRW-5-2 HK HE CHK: BAL 3-16-15 D 2"-462 A 2"-462 A A A A HK HE SRW-12 APPR: AJW 3-16-15 D AO-6"-463 AO-6"-463 AO-6"-463 AO-4"-463 AO-4"-463 2"-462 A 85 EC 24489 FAI FAI FAI FAI FAI

FAI AO RWN52-6"-HC RWN52-6"-HC AO-4"-SP463 DWN: JJP 7-12-16 TO C84 2711 TO AO CHK: BAL 7-15-16 SV AO B1 TDS SV B2 AO AO TO B4 AO TO B5 2701 2720 TO 2723 2728 APPR: AJW 7-15-16 2707 2707 2711 TO CONVEYOR FLOOR SRW-38 SV B3 SV SV DRAIN SUMP SV 86 EC 27482 2720 2723 PX 2728 3"-463 2701 4"-HE 2930 M-137 C84 1/2"-130 SRW-19 NH-36043 A DWN: JJP 11-16-16 SRW-37 SRW-39 TRIP PX (B,3) CHK: BAL 11-25-16 6"-HE C84 C84 C84 APPR: JCG 11-29-16 HS RESET C84 AO SV SV AO AO SV PS PX PX HS C84 PS TDS HS A 87 601000001601 AO-6"-463 2708 2708 2709 2709 2710 2710 2715 2928 ORW L PI 2732 TRIP FAI FAI FAI L H C84 FLUSH AO SV SV AO 2733 L PI PX PX ADDT'L. PAGE ADDED TO.PDF DOC. FAI 2722 2722 2727 2727 FAI 3"-237 2738 2932 2933 AO-4"-463 AO-6"-463 FS TDS COMP. DWN: JJP 2-19-20 3" PX 2923 SRW-13 C84 4" 2929 AO-4"-463 AO-4"-463 2" PX CHK: 600000677406 RT47-5"-HE 3" 2931 4127 3" HS APPR: 600000686596 LOCAL SX 2" 3453 1/2"-HB 1/2"-130 88 601000001803 AO-6"-463 SRW-7 SRW-8 SRW-11 CST-141 C FAI 6"-237 CST-139 RWN54-4"-HC SRW-6 4"-237AB SV C SV AO CRW FC CST-140 2926 CRW 2719 2719 SRW-8-1 CONT. ON 1/2"-130 TO WASTE AO-4"-463 1"-19 FG DWN: JJP 3-9-20 TO WASTE PI CST-213 M-139 AO 1/2"-19 1/2"-130 CST-214 AO SV TO COLLECTOR TANK PI CST-71 COLLECTOR CST-215 CRW 3423 FG CHK: 600000677406 2716 CONDENSATE/WASTE NH-36045 2924 TANK SV AO AO AO 3424 SPENT RESIN 2739 2739 FLOOR DRAIN M-139 RWN50-6"-HC (A,3) 3413 2736 2736 2925 2926 AO SV C84 HS APPR: 600000686596 COLLECTOR NH-36045 SLUDGE MIXING PUMP SERVICE M-139 FC MIXING PUMP TANK T-26 P-39 450 GPM FG SRW-71 SV FAI CLEAN-UP SLUDGE PI PI 2740 2740 (E,6) SRW-18 3421 2924 CONDENSATE NH-36045 RWN59-4"-HC 3415 3416 P-81 150 GPM C84 M-140 4"-29 SRW-10 M-114-1 MIXING PUMP AO SV HS NH-36046 NH-85509 (E,2) (E,6) 2904 2904 2904 RWN51-4"-HC 1"-19 P-43 250 GPM CST-72 1/2"-HB CST-73 FAI (E,6) RT61-1 1/4"-HE RT60-1 1/4"-HE 1/2"-19 1/2"-19 AO-1 1/2"-462 CST-78 TO COND. HC HB TO SHIPPING LINER HOTWELL SRW21 REW7-4"-HC REW7-3"-HC CLEAN-UP SLUDGE SYS. C84 FLOOR SUMP SERVICE CONDENSATE M-105 M-128 COND. WASTE SLUDGE SYS. SV SV M-141-2 SERVICE M-114-1 WATER JET 1"-223 A 2749 2750 CST-163 CST-75 AO-2904 SERVICE NH-36036 (C,6) NH-36254 SPENT RESIN SYS. NH-36047-2 CONDENSATE NH-85509 EDUCTOR CONDENSATE M-107 (A,6) COND FILTER/DEMIN BACKWASH (B,8) TRIP M-114-2 RT59-1 1/4"-HE (D,3)&(E,2) FI SC42-1"-HB AO AO (C,5) SC41-1"-HB M-114-1 NH-36038 SV 2749 2750 HE NH-85509-2 FCFC 2741 M-107 CONTROL 1"-HC C84 S-29 HC HB NH-85509 8"-HC 2767 C84 CST-162 CST-164 FC (E,5) CST-74 (E,2) NH-36038-2 HS PCV SWITCHES SRW-22 1"-130 (D,1) 2767 2907 TO FLUSHLINE AO SV SRW-2 HC JB M-141-2 HB CST-161 RT62-1 1/4"-HE 1"-19 2751 2751 CONTINUES TO M-107 SERVICE AIR 1"-19 NH-36038-3 M-131 NH-36047-2 M-104-1 (E,2) SA10-1"-JB (C,5) NH-36035-2 RO POS 3499 NH-36049-4 1 1/4"x1" RED. FLG. 2591 AS-30 (C,3) (C,2) 1"-223 A/S M-104-1 NOTE 3 NH-36035-2 HS HCS CV HS HCS CV C84 AO-2742 TO V64-12"-HC M-131 2717 2717 C84 2734 2734 CST-76-2 NOTE 3 E/S HS SV AO B1 1.75 NH-36049-11 (C,2) FI ORW 1"-223 C84F-5 MIN C84 C84 C84 2718 C84 C84 C84 C84 C218 AO-2743 FIC (C,2) ES FI SX C84 1"-130 1"-223 B2 HOLD-UP 2764 C84F-4 1 1/4"-HE 2735 3105 LI CST-47-68 LINE CST-41-45 AO-2744 LT LI C84

2747 1"-HC B3 M-104-1 TQS SV AO
TQS SV AO 4"-HC NH-36035-2 1" 2764 2764A 2752 2752 2752 3/4" 2753 2753 2753 3/4" VENT FC AO-2745 B C80 LI C84 C84 C84 B4 B (C,2) A A LS HH HC HB HC HB 2764B AO-1 1/4"-462 TRIP AO-1 1/4"-462 2747 A AO-2746 LS C84 H TRIP H C84 A B5 A A CENTRIFUGE 2764A TQE 3/4" TQE 3/4" C84 CONDENSATE LS H 2754 2755 EFFLUENT BACKWASH VS CENTRIFUGE CENTRIFUGE 2747 SERVICE SERVICE TANK T-38 B CONDENSATE CONDENSATE RECEIVING C84 C84 3419 MOTOR S-14A H MOTOR S-14B H C84

LT LS M-114-1 M-114-1 TANK T-33 TDS LS TQT TS TQT TS 600 GAL NH-85509 NH-85509 2764B 2754 11 2939 2755 12 2941 2747 2747 C84 H H C DETAIL DETAIL L WaI
TS VS
TS L A B 2756 2938 4" 3420 2940 4" RWN60-4"-HC (TYP. FOR 24) (TYP. FOR 5)

SX C84 C84 SRW-15 8,500 GAL HE HC HS HS VENT AMP VENT 2"-19 SRW-14 3452 88 RT4-6"-HE 2"-19 2" POS-3500 6" A C84 6" 2"-19 TO CONVEYOR C84 PX M-107 SRW-1 8"-HC M-104-1 WaI TO 2936 HS C84 FLOOR DRAIN C84 RT4-2"-HE NH-36035-2 C84 H TQR HOPPER 2757 HOPPER SUMP A NH-36038-3 A 2754 H TRIP (D,2) PX (C,2)

LS S-15A AMP M-141-2 PX 2"-223 M-137 2935 2PEN 4O FT 3 NH-36047-2 SRW-16 AO SV TO CRW SUMP S-44 C84 H C84 H 2758 P.O. 2937 NH-36043 6"-463 FAI A A (C,2)

SRW-4 2764 2764 M-138 M35 (B,3) COLOR LEGEND AO-6"-463 NH-36044 C97 ASME CLASS 1/QUALITY GROUP A (B,5) FROM FW-36 AO SV HS PI PX PI C84 A H 2760 2760 2748 ASME CLASS 2/QUALITY GROUP B 2766 PX 88 AO SV M-105 SRW-17 ASME CLASS 3/QUALITY GROUP C 3" 1/4" 2927 2927 TO PUMPS P-83 A & B START NH-36036 1"-65 1"-65 CENTRIFUGE 2"-19 NOTES: QUALITY GROUP D 4" 2934 TO SV-2641 & SV-2643 (A,4) 10" AS-20-1 AS-20-2 EFFLUENT SAFETY RELATED MECHANICAL 1/2"-19 A 1"-JB SRW-3 CST-70 M-139 PUMP P-44 1. SEE DWG. M-139 (A,6) FOR AO DETAILS. SAFETY RELATED ELECTRICAL A 6"-237 NOTE 4 1/2"-HB 1/2"-HB NH-36045 50 GPM SPECIAL CONCERNS ITEM A

SERVICE (A,3) SEE NOTE 2 2. SEE VENDOR DWG. F.P. 5828-M35-12-1 CST-216 CST-148 FC AO SV FOR AIR PIPING DETAILS. CONDENSATE JB HC M-141 FG 1/2"-130 2765 2765 M-114-1 AO CRW 2"-223 2761 SERVICE AIR FROM "B" HOPPER ORW 3. FI-2718 AND FI-2735 ABANDONED IN PLACE. MONTI CAD DWG ` ' T SRW-72 3422 CST-69 NH-85509 88 PI 88 C97 M-131 M-141-2 88 4. THREADED FITTINGS DOWNSTREAM CST-148 CONDENSATE SC17-2"-HB (B,1) SV HS RADWASTE SOLIDS HANDLING SYSTEM 3414 NH-36049-4 NH-36047-2 SRW-31 ECR601000001803. BACKWASH 2761 (C,5) (B,3) TO WASTE HE HB FC PIPING AND INSTRUMENTATION DIAGRAM 88 SLUDGE TANK TRANSFER (E,4) MONTICELLO NUCLEAR GENERATING PLANT SCALE: NONE REV 88 PUMP P-79 Xcel sm 450 GPM CRW Energy

NORTHERN STATES POWER COMPANY NH-36047-1 6 5 4 3 2 1 MONTICELLO NUCLEAR GENERATING PLANT Xcel MONTICELLO NUCLEAR GENERATING PLANT Xcel MONTICELLO NUCLEAR GENERATING PLANT Xcel 8 7 6 5 4 3 2 1

AI-461-3 PCV REVISIONS NH-36049-3 CV-2480 4 M-812 AI-461-1 87 EC 22458

TO INTAKE STRUCTURE NH-36666 SPRINKLER SYSTEM (C,6) DWN: JJP 7-15-13 CV-2481 AI-461-4 CHK: BAL 7-15-13 AI-10 PI M-812 4479 NH-36666 APPR: NTM 7-15-13

M-131 (C,5) 88 EC 24717 NH-36049-11 AI-230-1 BLEACH PCV AI-229 SYSTEM T-106,T-108 AI-461-5 5 (C,8) M-812 DWN: JJP 10-21-14 AI-41 AI-461-2 NH-36666 CHK: AJR 10-23-14 M-131 M-131 (B,6) APPR: JOJ 10-29-14 NH-36049-2 PS ND AI-461-6 NH-36049-12 1474 SV T-107,T-109 D (B,8) (A,4) 1469 PCV AI-230 M-812 AI-75-2 89 EC 25268 D 1712 NH-36666 AI-76 CIRC. WATER AI-38 PS BASIN LEVEL M-131 AI-228 (B,5) M-800 M-812 DWN: JJP 2-10-15 M-131 NH-36049-2 1469 AI-75-1 NH-36049-14 TO LUBE OIL NH-36489 NH-36666 CHK: BAL 2-10-15 (A,8) PANEL C-101 PANEL C-100 (D,8) AI-15 AI-411 AIR SET HEAT ACT. DEVICE APPR: WMS 2-10-15 TO RACK C-559 (FIRE PROTECTION) 90 EC 19978 RECIRC VALVE DIESEL FIRE AI-410 CV-3490 AI-70-2 PUMP HOUSE M-118 AI-74 NH-36244 TO RACK C-297A TO RACK C-558 AI-73 AI-78 DWN: JJP 4-23-15 (E,1) P2A SEAL WATER AI-555 RECIRC VALVE CHK: BAL 4-26-15 CV-3489 CV PI AI-817 TO RACK C-297B 1469 4478 APPR: MAC 4-27-15 AI-554 P2B SEAL WATER AI-444 N.O./F.C. AI-72 AI-77 AI-555-1 AI-145 AI-9 91 EC 6MOD00027208

AI-554-1 DRAIN AI-70-1 M-812 AI-440 AI-17 AI-7 AI-7-1 AI-7-2 AI-8 DWN: NJM 8-10-17 AI-36 NH-36666 IA6-3"-JD 2"-JD (D,5) CHK: NJF 8-11-17 AI-35-3 AI-144 APPR: AJR 8-11-17 M-131 AI-71 92 6MODWMO27022

TO LOW FLOW AI-112 NH-36049-2 AI-6 FW REG CONTROL (C,2) AI-7-3 AI-23 DWN: JJP 6-8-18 VALVE CV-6-13 AI-79 AI-113 AI-402 CHK: BAL 6-8-18 TO RACK C-557 SPARE RACK C-203 APPR: JCG 6-8-18 FW REG CONTROL H2 CONT. VALVE CV-1019

VALVE CV-6-12B #15A HEATER DRAIN 93 601000002239 TO RACK C-556 AI-35

FW REG CONTROL AIR SET M-131 M-131 AI-403 AI-345 AI-358 DWN: JJP 6-2-20 VALVE CV-6-12A NH-36049-2 NH-36049-2 E/P-1019 FOR XI-4531 AI-109 AI-331 CV-1019 EP-1001 FOR CV-3127 CHK: 600000729138 (A,8) (A,4) M-109 CV-1001 APPR: 600000708453 TO RACK C-200A/B NH-36040 AI-343 AI-357 "A" MS DRN TK DUMP PS PS AI-103 94 601000002296 C AI-321 1469 1474 AI-404 (A,5) C AI-818 EP-1003 FOR CV-1003 EP-3126 FOR CV-3127 TO CV-3132 AI-329 SPARE CV-2590 CV-1002 AI-344 AI-356 DWN: JJP 6-18-20 AI-330 CV-2510 "B" MS DRN TK DRN M-800 CHK: 600000739189 ND AI-104 EP-3130 FOR CV-3134 APPR: 600000723812 TO CV-1017 SV NH-36489 1507 AI-405 AI-110 (B,3) AI-342 AI-355 AI-328 SPARE CV-3133 SPARE EP-1002 FOR SPARE TO E/P-1017 AI-6-3 AI-6-1 "A" MS DRN TK DRN CV-1002

AI-561 AI-105 AI-105-1 AI-341 AI-354 AI-406 AI-84 RACK C531 SPARE EP-3125 FOR CV-3133 TO E/P-4120 SPARE TO VM2-6 AI-105-2 AI-340 AI-353 AI-560 CV 1507 AI-436 RACK C531 TO E/P-4121 N.O/F.C. #1 SV RELAY AI-279 SPARE EP-3131 FOR CV-3132

AI-557 AI-6-2 RACK C-210 AI-339 AI-352 AI-437 AI-292 AI-291 AI-290 AI-108-1 TO CV-4120 AI-435 E/P-1016 FOR CV-1018 14A HTR DUMP

#2 SV RELAY CV-1016 AI-556 AI-338 AI-351 AI-438 AI-108 TO CV-4121 HEADER CROSS TIE AI-647-1 AO-1345 E/P-1014 FOR CV-1020 15A HTR DUMP
#3 SV RELAY M-146 M-108 CV-1014 AI-558 AI-337 AI-350 AI-647-3 AI-439 NH-36348 AI-623 NH-36039 TO CV-4124 AI-4 MAIN CONST. (B,2)

E/P-1018 FOR CV-1001 "B" MS DRN TK DUMP VENT #4 SV RELAY STATION FOR CV-1018 AI-559 CV-1621 AI-336 AI-349 AI-647-2 (E,5) TO CV-4125 PCV AI-107 E/P-1020 FOR AI-3 4717 AI-291-1 CV-1020 CV-1003 "C" MS DRN TK DUMP AI-332 SPARE TO CALIBRATION TURBINE AIR AI-459 HEATING BOILER ROOM CV-2589 AI-348 REGULATOR OIL RELAYS AI-647-4 AIR HANDLING UNIT CV-2509 AI-335 TO TURBINE GENERATOR SUPPLY TO V-AH-5 AI-111 M-800 CV-1016 - 13A HTR DUMP BEARING SPRINKLER CV RELAYS AI-293 NH-36489 SYSTEM HEATING BOILER VAH-2 (B,3) AI-441 AI-432 AI-433 DAY TANK VMZ-5 AI-334 AI-347 B #2 INTERMED CV-1531 B M-132 SV-1012 FOR CV-1012 STOP VALVE AI-280 EP-1004 FOR NH-36050 AI-68 #11A HEATER DUMP TEST SOLENOID M-133 CV-1004 CV-1014 - 12A HTR DUMP (D,6) NH-36051-1 AI-96 AI-333 AI-346 AI-442 AI-434 #2 INTERCEPT (D,3) AI-280-1 VALVE TO HOT & SV-1051 FOR CV-1051 TEST SOLENOID COLD LABS VMZ-1 DRAIN DRAIN

#11B HEATER DUMP VAH-1 PCV AI-96-1 TEST CONN. AI-419 AI-281 TOP L.O. TANK SV-1032

AI-67 SUPPLY AIR DIESEL GEN H & V PCV M-103 AI-789 AI-420 AI-771-1 AI-772-1 AI-418 NH-36034 AI-282 SV-1035 (D,4) MLS-1228A MSDT A COND. INJECTION A/S-1228A MSDT A COND. INJECTION AI-460 SUPPLY AIR NH-236609 (D,3) NH-236609 (D,3) AO-1083A #11 AIR EJECTOR AI-771-2 AI-772-2 VENT (D,2) SUCTION AI-417 M-103 VENT DG DELUGE ACCUM MLS-1228B MSDT B COND. INJECTION A/S-1228B MSDT B COND. INJECTION AO-1083B NH-36034 #12 EDG ROOM NH-236609 (D,3) NH-236609 (D,3) AI-771-3 AI-772-3 (C,1) PCV AI-283 AI-413 PI MLS-1228C MSDT C COND. INJECTION A/S-1228C MSDT C COND. INJECTION AI-421 AI-284 NH-236609 (C,3) NH-236609 (C,3) CV-1199A & B 4473 94 FRONT STANDARD SV-1071 AI-771-4 AI-772-4 (SPILL VALVE) SUPPLY AIR TRB BLDG PCV M-104 MLS-1228D MSDT D COND. INJECTION A/S-1228D MSDT D COND. INJECTION CV-1033 AI-285 SIDING DELUGE NH-236609 (B,3) NH-236609 (B,3) AI-415 AI-414 AI-422 NH-36035 AI-286

#3 INTERMED STOP SV-1074 (D,5)

CV-1036 TEST SOLENOID SUPPLY AIR DRAIN

AI-427 PI CV-1072 #3 INTERCEPT TURNING GEAR 4474 TEST SOLENOID COLOR LEGEND HDR VENT ASME CLASS 1/QUALITY GROUP A AI-416 AI-423 AI-428 ASME CLASS 2/QUALITY GROUP B CV-1075 AI-287 TURNING GEAR ASME CLASS 3/QUALITY GROUP C DRAIN SOLENOID QUALITY GROUP D CV-1226A & B AI-429 AI-431 SAFETY RELATED MECHANICAL A (SPILL VALVE) #1 INTERCEPT PCV AI-289 SAFETY RELATED ELECTRICAL A AI-424 VALVE 1522 SPECIAL CONCERNS ITEM AI-430 TEST SOLENOID AI-443 HOOD #1 INTERMED M-131 STOP VALVE AI-288 SPRAY TEST SOLENOID MONTI CAD DWG ` ' AA CV AI-426 AI-425 AO-1084A AI-407 #12 AIR EJECTOR P&ID SUCTION PI M-104-1 4475 INSTRUMENT AIR - TURBINE BUILDING AO-1084B NH-36035-2 AI-289-1

#4 INTERCEPT #4 INTERMED (A,8) DIESEL ROOM MONTICELLO NUCLEAR GENERATING PLANT SCALE: NONE REV 94 VALVE STOP VALVE DELUGE sm TEST SOLENOID TEST SOLENOID Xcel Energy

NORTHERN STATES POWER COMPANY NH-36049-3 8 7 6 5 4 3 2 1 MONTICELLO NUCLEAR GENERATING PLANT Xcel MONTICELLO NUCLEAR GENERATING PLANT Xcel 8 7 6 5 4 3 2 1

PRE REVISIONS NH-36049-12 BOIL 76 EC 9741

COIL 01059540 A/R DWN: JJP 6-18-07 CHK: BAL 6-18-07 APPR: EAN 6-20-07

77 EC 11951 A/R 01121715 DWN: JJP 3-5-08

RX HEAD CHK: BJR 3-11-08 VENT AI-114-2 APPR: RMG 3-12-08 CV-2372 D M-115 78 EC 14219 D

NH-36241 AI-213-12 AI-213-4 (E,5) DWN: JJP 8-17-09 "B" RECIRC. NOTE 2 CHK: BAL 8-18-09

PUMP SEAL APPR: CLT 8-19-09 LEAKOFF M-117 AI-213-8 79 EC 18998 AI-114-1 3/4" NH-36243-1 (B,5) NOTE 2 81 DWN: JJP 10-28-11 RX HEAD AI-114-3 AI-214-10 CHK: BAL 11-1-11 VENT CV-2371 AI-213-6 APPR: KMF 11-7-11

M-115 80 EC 21396 NH-36241 (E,5) AI-214-14 DWN: JJP 5-7-13

AI-213-11 AI-213-3 CHK: PEB 5-7-13 APPR: WMS 5-7-13 1/4" 81 601000002203

ACCUM DWN: JJP 6-8-20 T-57D AI-217-4 CHK: 600000733905 APPR: 600000713177

AI-214-12 ACCUM T-57H

ACCUM C T-57F C

AI-214-15 SRV "D" (ADS) AI-781 AI-13-4 M-115-1 ACCUM NH-36241-1 T-57C (B,4)

AI-214-4

NE SV 1478 AI-213-5 C06 C06 O

HS L 1478 C

AI-213-7 TO OUTBOARD AIR SET MSIV PILOT AIR M-131 NH-36049-15 CV 1478 X-22 AI-213-1 (D,7) (SEE NOTE 1)

AI-41 AI-624 AI-571 AI-574 AI-213-9

M-131 NH-36049-3 (D,8) AI-29 AI-29-1 AIR SET AI-840 TO TRAIN `A' AI-569 AI-572 1/4" ALT N SYSTEM2 AI-70 TO OUTBOARD CV M-131 AI-214-13 MSIV INTENSIFIERS AI-59 7478 M-131 CV-3269 NH-36049-10 NH-36049-15 M-130 (D,6) AI-214-9 (A,4) NH-46162 TO TRAIN `B' AI-570 AI-573 3/4" ACCUM B (D,3) ALT N SYSTEM2 T-57E AI-217-5 B

CV-3440 NE M-131 M-130 SV NH-36049-10 AI-115 NH-46162 C06 H DW EQUIP. DRAIN 7478 A (B,6) SUMP RECIRC. (D,2) L CHECK VALVE ACCUM (OPEN) PS AO-2560A & B T-57A AI-217-1 7392 RX 935' WEST M-138 AI-163 N2 VAPORIZER AI-211 NH-36044 AI-210 AI-116 PS (E,2) ACCUM

7393 T-57B AI-217-2

AI-209 SRV "G" HS PI AI-212 (L-L SET) 7477 7394 AI-13-7 M-115-1 M-118 AI-53 3/4" AI-214-7 CV-2790 ACCUM AI-214-16 NH-36241-1 NH-36244 REMOVEABLE RECIRC. (D,6) (B,1) SPOOL PIECE SAMPLE SYS. M-117 T-57G AI-217-7 NH-36243 (CLOSE) (D,5)

CV-2370 AI-196 1/4" NE AI-213-10 AI-213-2 SV M-115 7477 NH-36241 NOTES: ARV FLANGE (E,2) LEAKOFF AI-195 AI-214-11 CHECK VALVE CV-2369 1. VALVE IS 300 POUND RATING. SEE M-115 MODIFICATION PACKAGE 02Q145. AI-208 NH-36241 AI-207 2. AI-214-10 AND AI-213-12 ARE FI (E,3) CLOSED DUE TO A LEAK IN THE

6015 TUBING (ECR 601000002203). COLOR LEGEND 81 ASME CLASS 1/QUALITY GROUP A AI-206 ASME CLASS 2/QUALITY GROUP B PI ASME CLASS 3/QUALITY GROUP C QUALITY GROUP D SAFETY RELATED MECHANICAL A AI-182 SAFETY RELATED ELECTRICAL A AI-205-1 DAMPER CONTROL SPECIAL CONCERNS ITEM AI-219 AI-54-1 C25A M-131 AI-218 "A" RECIRC. MONTI CAD DWG ` ' C AI-54 PUMP SEAL LIQUID N2 LEAKOFF P&ID INSTRUMENT AIR TANK M-130 M-117 NH-46162 NH-36243-1 REACTOR BUILDING & DRYWELL AI-205 (B,3) (D,2) PI MONTICELLO NUCLEAR GENERATING PLANT SCALE: NONE REV 81 4364 sm Xcel Energy

NORTHERN STATES POWER COMPANY NH-36049-12 8 7 6 5 4 3 2 1 8 7 6 5 4 3 2 1

REVISIONS NH-36049-14 76 EC 8024

PS SV ND M-131 1474 1472 NH-36049-2 M-131 DWN: JJP 5-17-06 (A,4) NH-36049-2 PS CV CHK: BAL 5-19-06 (A,8) 1469 1472 APPR: JCG 5-22-06

RX BLDG NO/FC 77 EC 11951 81 935' AIR SET A/R 01121715 AI-449 DWN: JJP 3-5-08

AI-38-1 AI-38-2 CHK: BJR 3-11-08

M-131 APPR: RMG 3-12-08 M-131 NH-36049-13 78 EC 21396 D NH-36049-3 I&C SHOP (D,8) D (D,8) AI-38 RX BLDG AI-774 M-2510 ABOVE 935' DWN: JJP 5-7-13 RCIC V-AC-6 NH-161004 AI-38-3 ROOM ELEC. SHOP CHK: PEB 5-8-13 CV-2079 (A,3) AI-165 M-125 AI-773 AI-775 APPR: WMS 5-8-13 AI-15 NH-36251 ADMIN. BLDG. H & V 79 EC 21453 AI-237 CV-2082A (C,2) ADMIN. BLDG. AI-275 AI-239 M-125 DWN: JJP 5-8-13 CV-2082B NH-36251 MG. RM. H & V AI-236 AI-319-1 CHK: AWL 5-8-13 (C,2) AI-319 APPR: ERN 5-10-13

JD CV-2848 VD-23 TO 26,39,40 M-118 M-125 AO-2381 NH-158751 80 EC 27714

NH-36244 CV-2849 NH-36251 ACTUATOR (C,4) (E,1) AI-30 JB AI-238 (B,5) RX BLDG. DWN: JJP 3-27-17 M-126 M-143 EL. 985' AI-129 AI-129-1 AI-256 NH-36252 NH-36258 CHK: AJR 3-27-17

CV-3268 (C,4) (C,3) CONTROL AIR APPR: JCG 3-28-17

M-130 AI-129-4 AI-129-2 AI-129-3 81 EC 6MOD00027208 NH-46162 AI-318 (C,4) AO-2381

T-RING SEAL VD-11 TO 14 DWN: NJM 8-10-17 TORUS AI-316 M-143 CHK: NJF 8-11-17 AREA NH-158751 AI-241 CV-2942 NH-36258 (C,2) APPR: AJR 8-11-17 AI-668 AI-317 AI-613 (C,3) M-145 M-131 NH-36881 NH-36049-10 ACCUM AO-2541A (C,2) (C,6) AI-302 M-137 AI-242 AI-670 AI-669 CV-2943 AI-303 NH-36043 M-145 AO-2377 AO-2541B (E,2) NH-36881 AI-300 T-RING SEAL AI-235 (D,2) M-143 AI-304 STBY C GAS RM. HT-7242 C AO-2377 AI-662 AI-301 AI-614 NH-36258 AO-2561A AI-136 AI-142 (C,1) M-138 (RETIRED) ACTUATOR AI-305 NH-36044 ACCUM AI-141 AO-2978 M-143 AI-274-2 (D,1) NH-36258 AO-2561B AI-136-1 AI-136-2 M-145 (C,2) C-122 AI-306 M-131 AI-139 NH-36881 M-131 NH-36049-10 AO-2944 (B,3) NH-36049-10 (C,6) AI-130 M-145 (A,6) AI-664 AI-663 AI-686 AI-695 NH-36881 AI-274 CAL AIR AO-2380 AI-140 AO-2945 RX BLDG ACTUATOR & (C,5) AI-274-1 T-RING SEAL M-145 935' NH-36881 M-143 (D,5) M-131 NH-36258 AI-273 AO-2378 NH-36049-10 AI-685 (B,2) AI-232 T-RING SEAL AI-666 AI-667 (C,6)

M-143 AI-665 AI-272 ACCUM NH-36258 AO-2378 AI-615 ACTUATOR (C,3) AI-231 M-143 M-131 NH-36258 TEST NH-36049-10 (C,3) AI-269 (C,6) AI-233 AO-2982 AI-684 AI-694 AO-2379 SV AI-270 *AO-2382E AI-137 M-145 7956 C06 ACTUATOR & NH-36881 HS T-RING SEAL RING HEADER AROUND AI-138 (D,6) AIR SET 7956 M-143 *AO-2382C *AO-2382F AO-2979 OUTSIDE TORUS AI-271 AI-683 NH-36258 M-145 CV CV-3267 (C,1) NH-36881 AI-262 7956 M-130 RING HEADER AI-234 (E,3) M-131 NH-46162 X-229B INSIDE TORUS NH-36049-10 HT-7243 (D,6) C06 O (C,4) (RETIRED) L C

AO-2382G B AI-183-1 AI-676 B AI-118 AI-215 AI-629 AI-183 IN TORUS AI-131 M-131 AO-2896 CV-2385 ACTUATOR BAY 10 AI-276 M-143 NH-36049-10 M-143 *AO-2382B (A,6)

AI-631 AI-630 IN TORUS NH-36258 NH-36258 AO-2896 BAY 12 RWCU AI-134 (C,6) CV-2791 T-RING SEAL AI-183-2 AI-675 ACCUM (C,6) AI-632 *AO-2382A

AO-2382H AREA M-117 AI-679 AI-263 M-143 EL. 962' AI-680 AI-265 AI-674 AI-132 NH-36243 AI-618 NH-36258 (E,6) AO-2386 (A,6) T-RING SEAL
AO-2382K AI-616 *CONT. ON AO-2386 M-143 AI-682 ACCUM NH-36258 AI-678 M-143 ACTUATOR M-131 NH-36258 M-143 (D,6)

NH-36049-10 AO-2383 (B,4) NH-36258 ACCUM (A,6) AI-681 ACTUATOR RADWASTE (D,6) PUMP & AI-677 AI-133 AI-619 M-143 TANK RM. AO-2387 NH-36258 EL. 985' T-RING SEAL AI-266 (B,6) AO-2383 AO-2387 M-143 T-RING SEAL ACTUATOR NH-36258 M-143 RBFDS AI-822 AI-128 M-143 (D,6) AI-120 AI-119 DRAIN AI-671 AI-617 NH-36258 M-137 HPCI ROOM NH-36258 CV-2384 (B,6) NH-36043 AI-135 (E,6) M-143 AI-672 ACCUM (D,6) DRAIN CV-2046A RWCU PUMP NH-36258 RBEDS ROOM AO-2559 AI-121 (A,6) AI-819 AI-820 M-123 TANK RM AI-267 AI-673 M-138 M-138 AI-307 896' NH-36044 NH-36249 NH-36044 BY CV-2384 CV-2046B (D,6) (C,1) 21 CONNECTIONS (E,3) AI-308 AI-268 M-131 AI-127 AI-821 RWCU F/D VALVES COLOR LEGEND

& CUBICLE DAMPERS ASME CLASS 1/QUALITY GROUP A V-AC-7A & B NH-36049-10 AI-245 (C,6) CV-2043 M-123 M-129 ASME CLASS 2/QUALITY GROUP B VENT NH-36249 NH-36255 ASME CLASS 3/QUALITY GROUP C HPCI RM HPCI RM TO OFF-GAS STACK (C,2) QUALITY GROUP D (A,3) SAFETY RELATED MECHANICAL A C-120 & STORAGE BLDG. AI-126 CV-2394A A SAFETY RELATED ELECTRICAL M-142 & NH-54823-2 M-123 SPECIAL CONCERNS ITEM AI-123-1 NH-36159 (D,6) NH-36249 AI-14 CV-2394B (C,3) (A,4) M-131 AI-246 FIC-2540 AI-221 CV-2065 CV-3503 M-137 MONTI CAD DWG ` ' J M-124 M-124 AI-124 NH-36043 NH-36250 P&ID NH-36250 (E,3) AI-622 (E,4) AI-122 (D,4)

FIC-2558 INSTRUMENT AIR - REACTOR BUILDING V-AC-8A & B M-138 MONTICELLO NUCLEAR GENERATING PLANT SCALE: NONE REV 81 NH-36044 AI-125 DRAIN sm (D,5) HPCI ROOM Xcel Energy

NORTHERN STATES POWER COMPANY NH-36049-14 8 7 6 5 4 3 2 1 8 7 6 5 4 3 2 1

REVISIONS NH-36049-15 76 EC 9488 A/R 01045154 DWN: JJP 11-17-06 CHK: BAL 11-17-06 APPR: JIH 11-21-06

77 EC 11951 A/R 01121715 DWN: JJP 3-5-08 CHK: BJR 3-11-08 APPR: RMG 3-12-08 D 78 EC 13054 D

DWN: JJP 8-25-08 CHK: BAL 8-25-08 APPR: MH 8-26-08

79 EC 13600

DWN: JJP 12-30-08 CHK: BAL 1-6-09 APPR: GEH 1-7-09 M-131 NH-36049-12 80 EC 17025 (B,8) DWN: JJP 3-17-11 CHK: BAL 3-17-11 APPR: DM 3-18-11 AI-11-1 81 601000000981

1 330 PSIG OUTBOARD MSIV SEE DETAIL A RV PI DWN: JJP 10-24-18 AO-2-86A 4915B 4917B CHK: 600000437501 M-115 NH-36241 AI-759-1 AI-759 CGA-590 BOTTLE VALVE APPR: 600000420513 (C,6) PCV (TYPICAL OF TWELVE) 2 AI-746 4916B UNION QUICK CONNECT SEE DETAIL A UNION SOFT SEAL FILL, CGA-590

AI-11-2 AI-747 440 PSIG 2" 3/4" 1" C 1 C OUTBOARD MSIV SEE DETAIL A RV AO-2-86B 4923 PI 600# RATING SS 3000# RATING SS M-115 4927 NH-36241 AI-758-1 AI-758 (E,6) AI-751 AI-748 AIR 2 SEE DETAIL A PALLET

STEAM CHASE TURBINE BLDG. 1"

TURBINE BLDG. REC. BLDG. OUTSIDE AIR PALLET BLANK UNION HALF FILL, CGA-590 ACCUMULATOR STORAGE BLDG. TANK AI-11-3 T-207 2" 2" 1 1/2" 1 1/2" 1 PI 3/4" OUTBOARD MSIV SEE DETAIL A 4918 AO-2-86C RV 330 PSIG PI M-115 3/4" AI-749 4915A 4917A NH-36241 AI-761-1 AI-761 1" AIR (E,1) AI-769 AI-770 AI-745 PALLET 2 PCV (IN STORAGE) SEE DETAIL A AI-743 FINGER TIGHT 4916A

AI-11-4 C04 C03 FILL, CGA-590 ES A L AI-744 1 7369 OUTBOARD MSIV C04 H C04 2" 1" SEE DETAIL A P PS 3/4" AO-2-86D AIR100 4907

M-115 L PT PI NH-36241 AI-760-1 AI-760 600# RATING SS 3000# RATING SS 4907 4919 (C,1) 2 B PCV AIR B SEE DETAIL A 4920 AI-741 AI-764 PALLET

AI-740 AI-739 3/4" 3/4" 2"

AI-738 AI-736 3/4"

AI-737 AI-735

K-5B K-5A AI-734 AI-766

INTENSIFIERS (LOCATION: V-AC-10) (LOWER PLATFORM) AI-41 AI-29

AI-733 AI-765

DETAIL A 3/4" M-131

1 PILOT AIR TO MSIV NH-36049-12 SOLENOID MANIFOLD AI-59 (B,8) 3/4"Ø 600# SS 3/4"Ø JD COLOR LEGEND SEE NX-56483-11 ASME CLASS 1/QUALITY GROUP A 2 MAIN AIR TO MSIV ASME CLASS 2/QUALITY GROUP B PISTON VIA MANIFOLD ASME CLASS 3/QUALITY GROUP C AIR VALVE ASSEMBLY QUALITY GROUP D 81 SAFETY RELATED MECHANICAL A SAFETY RELATED ELECTRICAL A SPECIAL CONCERNS ITEM

M-131 MONTI CAD DWG ` ' A P&ID AIR SUPPLY TO OUTBOARD MSIV'S MONTICELLO NUCLEAR GENERATING PLANT SCALE: NONE REV 81

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NORTHERN STATES POWER COMPANY NH-36049-15 8 7 6 5 4 3 2 1 Withheld Security-Related Information

Withheld Security-Related Information

Withheld Security-Related Information Withheld Security-Related Information

Withheld Security-Related Information

Withheld Security-Related Information Withheld Security-Related Information

Withheld Security-Related Information

6 5 4 3 2 1

REVISIONS NH-36159 78 EC 12835

DWN: JJP 7-15-08 CHK: BAL 7-21-08 APPR: ERF 7-21-08 79 EC 14626

DWN: JJP 8-5-09 14" DIA. PIPE CHK: BAL 8-6-09 E APPR: SRR 8-26-09 E

80 EC 21222

DWN: JJP 12-6-12 C OFF-GAS STACK CHK: BAL 12-10-12 APPR: CLT 12-10-12 C04 A C04 A H 81 601000000870

C L 18" DIA..250 WALL PIPE DWN: JJP 8-9-18 A-358 TYPE 304 S.S. OFF-GAS SAMPLE RACK 17-116 C02 CLASS I (TYP.) CHK: BAL 8-9-18 C02 RR TI RR 4902 APPR: JPC 8-9-18

7155 HEATER 4902 82 601000001601

FI C10 C10 STACK WRGM's ADDT'L. PAGE ADDED TO.PDF DOC. 7154 C10 RM RM 17-150A 17-150B DWN: JJP 2-19-20 PI RM SPS CHK: 600000677406 7156 17-151 C 8000H-1 OFF-GAS INST AIR FROM HS RR22-1/2" RE SPS APPR: 600000686596 C04 M-131 17-130A C02 8000H-2 SAMPLE A C252A HS ISOKINETIC SYSTEM L dPS NH-36049-11 SAMPLE RS TIMER H 17A-S5 PROBE ASSY. (B,2) 17-355 A EMERG. 30 MIN. A 7158 OG-183 RE RR24-1/2" CHAMBER AIR EJECTOR DEMINERALIZED OG-9 17-131 TIMER M-104-1 DW27-1 1/2"-JB WATER 17-104 TDR-3 HIGH RADIATION NH-36035-2 JB TRIPS STRAIGHTENING STACK FAN D PI (B,4;D,4) ED DM-87 ROOM D 7157 OG-180 RR23-1/2" RE VANES M-112 RR21-1/2" (SS TUBING) 17-130B M-142 M-142 NH-36664 PCV-7578 NH-36159-2 NH-36159-3 BAFFLE PLT. DM-100 PCV-7577 3/4"-130M3 N.D. SV (D,4) OG-8-1 (C,8) (C,8) 3/4"-130 PI 2353 LOOP SEAL OG-8 QUICK DM-101 STACK 7733 RR51-1/2" 3/4"-130M3 DISCONNECT HOSE 3/4"-130 HC EF RR25-3/4" INSTALLED STATION FIC-7578 OG-182 OG-8-3 6"x3/4" ED EF STACK REDUCING FLANGE CV C07 O PIPE AI-791-2 SLOPE 2353 L VAULT OG-181 1/2" O.D. x.049" WALL SS TUBING C AI-838 TO DRAIN OG5-14"-HC HC HJ PI RR25-1/2" 1 1/2" 7732 TANK V-810 N.D. 10" OG-178 RR27-1/2" MOISTURE SEPARATOR CNE-128-1"-HN2C SV RR26-1/2" FROM 1928 OG-34 HC ED OG-11 RECOMBINER NH-54817-4 AI-62 AI-791 AI-791-1 OG-10 1/2"-112TM3 OFF-GAS VIAL SAMPLER GOLE-119-6"-HN2C 1 1/2"-19 SYSTEM (B,1) FROM PLANT FS A C-20 FAN TROUBLE 1/2"-112TM3 OFF-GAS VIAL OG-8-5 CONTROL PANEL 17-137 M-131 AI-64 8000-J11 18" L SAMPLER BOX RR26-3/8" HS NH-36049-14 AI-63 FS 17-136 OG-8-4 (A,6) VD-8000-J11 8000-J12 L C-24 LOW FLOW VD-8000-J12 A OG-36 C SV SV HS 1/2" O.D. S.S. TUBING V-EF-18A V-EF-18B C 3 1 ED 3311 4311 STAND-BY HYPODERMIC NEEDLE PI L CV 7159 2"-19 8D OG-7-8 C07 L O 1928 11 12 CONTROL SAMPLE L OG-7-3 OG-7-5 1/2"-19M3 C C242A C242B BOTTLE 1/2" WHITEY 43S4 SLOPE VD-8000-J30 L OG3-6"-ED 6" VD-8000-J29 C24B OG-17 18" HS 3/4"-223 L AIR EJECTOR ED 3E ED OFF-GAS 2981 SEE NOTE 6 SV SV OG-7-4 DILUTION FANS OG-18 2 OFF-GAS TO AIR EJECTORS 4 SMOKE FILTER 3/4"-19 HS INJECTION SAMPLE OG-6-1 FILTERS OG-35 C24A E-2B DISCHARGE OG30-1"-ED M-104-1 PI 6"-N14 1"-19 HS NH-36035-2 7160 2980 ED HC (B,3) OG-17 OG29-1/2"-HC 11 OG-6-2 12 INTERNALS 6"-N14 HAVE BEEN OG-17-1 OG-7-2 OG-7-6 REMOVED VACUUM 2"-19 1/2" WHITEY 43S4 TO MAIN OG-8-6 OG-12 PUMP 17-106 F-3A dPIS C07 H F-3B CONDENSER E-1B OG29-1"-HC OG29-1/2"-HC 1/2"-112TM3 8D A M-104 1926

NH-36035 OG-13 (D,5) OG-16 1/2"-112TM3 AIR EJECTOR HOLDUP LINE (30 MIN.) OG-7-1 1/2" O.D. S.S. TUBING 1"-19 42" Ø ED BLANKING ED HC LIQUID RETURN PLATE OG-7-7

FROM STORAGE BLDG. 1/2"-19M3 SLOPE SLOPE NH-54823-2 6"-ED 2"-ED SLOPE 1/16"/ft (D,8) OG-15 OG-14 SLOPE OG-5-1 OG-5-2 NOTES: 3/4"-19 3/4"-223 FROM OFF-GAS 6"-N14 6"-N14

HPCI TURBINE SLOPE STORAGE 1. SLOPE 1/8" PER FOOT UNLESS OTHERWISE INDICATED. B OFF-GAS OG24-3"-HC STEAM PACKING HOLDUP LINE (1.75 MIN.) TO OFF-GAS NH-54823-2 B

M-123 42" Ø STORAGE (D,6) 2. DEPTH OF LOOP SEALS TO BE A MINIMUM OF 36". NH-36249 NH-54823-2 (B,2) SLOPE 1/16"/ft (D,8) SLOPE 3. AIR SUPPLY TO STACK SAMPLE STATION AI-65

STEAM PACKING OG5-14"-HC EXHAUSTER DISCHARGE SLOPE SLOPE 4. AIR SUPPLY TO STACK STOP AI-62 OG5-10"-HC M-103 5. AIR SUPPLY TO STACK DILUTION FAN DAMPERS AI-64 NH-36034 OG5-14"-HC (E,1) 6. VENDOR DRAWING NX-9288-14

CONDENSER VACUUM PUMP DISCHARGE SLOPE OG6-10"-HC M-104-1 NH-36035-2 (B,1) OFF-GAS STORAGE BLDG. DILUTION AIR SUPPLY NH-51142-1

FROM STANBY GAS GALVANIZED HC SLOPE TREATMENT SYSTEM OG27 (18" DUCT) STEEL DUCT 0G27-18"-HC COLOR LEGEND M-145 ASME CLASS 1/QUALITY GROUP A NH-36881 ASME CLASS 2/QUALITY GROUP B (C,1) ASME CLASS 3/QUALITY GROUP C DILUTION AIR REACTOR BLDG. QUALITY GROUP D SUPPLY SAFETY RELATED MECHANICAL A SAFETY RELATED ELECTRICAL A M-145 M-155 SPECIAL CONCERNS ITEM NH-36881 NH-36267 (F,1) (A,3) M-142

MONTI CAD DWG ` ' P P&ID OFF-GAS SYSTEM MONTICELLO NUCLEAR GENERATING PLANT SCALE: NONE REV 82

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NORTHERN STATES POWER COMPANY NH-36159 6 5 4 3 2 1 8 7 6 5 4 3 2 1

REVISIONS NH-36159-2 76 EC 11951 A/R 01121715 DWN: JJP 3-5-08 CHK: BJR 3-11-08 STATION APPR: RMG 3-12-08 VENT 77 EC 20719

DWN: JJP 3-8-13 CHK: BAL 3-11-13 APPR: BJR 3-13-13 D RY-7858A RM-7858A 78 EC 27040 D

PREFILTERS (TYPICAL) LOW PRESSURE PURGE VALVE (SEE DWG. NX-7993-3-7) DWN: JJP 10-11-16

CLEAN DRY CHK: BAL 10-17-16 PURGE GAS FROM RM 80 APPR: AJW 10-17-16

SV SGM-5-1 SGM-11-1 SGM-17-1 SGM-23-1 4798A UNDER RM 80 CONTROL ISOKINETIC "B" SAMPLER PART. I2

SV SV CHECK SOURCE 4797A 4803A UNDER RM 80 SGM-3-1 SGM-9-1 "A" SGM-15-1 SGM-21-1 CONTROL TO RM 80 PART. I2I2

MO RE-7858A-LOW}}

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