ML21070A110

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8 to Updated Safety Analysis Report, Drawings
ML21070A110
Person / Time
Site: Monticello Xcel Energy icon.png
Issue date: 02/11/2021
From:
Xcel Energy, Northern States Power Company, Minnesota
To:
Office of Nuclear Reactor Regulation
Shared Package
ML21070A105 List:
References
L-MT-21-004
Download: ML21070A110 (47)
v • d • e


Text

{{#Wiki_filter: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

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

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

  1. 2 MOTOR LS LS A

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

MONTICELLO NUCLEAR GENERATING PLANT Xcel

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

(B,2)(B,6)(C,2)&(C,6) (VLV POSITION INTERLOCKS) (A,3) L.O. L.O. BKR B1119 PUMP P17 TORUS C03 10A-S10B HS BKR 4323 OR REACTOR VESSEL LOW LOW LEVEL WITH REACTOR LOW R.H.R. SERVICE WATER AIR SET AI-636 TW19-14"-GE (10-65B) MO-14"-N138 NH-36049-13 4338 C03 10A-S13B HS BKR RV51-1 1/2"-HB WHEN SHUTDOWN CLG. SUCTION VALVE MO-1989 IS CLOSED (EXCEPT IN ASDS MODE) PERMISSIVE TO OPEN NH-36246 M-121 TO FR10-143 NH-36247 FROM E/S 7251B TO CROSS-TIE MO-14"-N26 (C,2) PS-10-118 TR-23-115 NH-36247 NH-36247 4328 TC's TO HS S81 C292 NH-36247 FI 4105 NH-36247 PS-10-122A A 10-132B 7188 C03 F RSW103 FI B M-121 M-121 C03 HS E/S 4099 FROM (B,2) FROM (C,6) FROM M-121 M-121 (C,4) (B,2) C D RHR103 F E L O C C03 MO-10"-N138 PAS-57-4 RHR-46-2 RHR-5-2 14"-N26 FS-10-123A M-121 FROM E/S 4100 NH-36247 (D,2) dPIC 10-130B NH-96042-1 TW23-12"-GE TW22-14"-GE TW20-14"-GE R.H.R. SERVICE WATER (C,4) NH-36664 M-112 10-99B SEE NOTE 6 SEE NOTE 6 ISO C292 4105 E/S 4101 FROM FY SW10-18"-GF C03 10A-S7 HS (10-20) HS S25 C292 XFER A H RHR105 T C292 BKR 10-97B C129B FT RHR107 T RHR-38-2 6 C E/S 4101 A C03 L 10-130B1 dPI CRW C292 C03 10-96B RHR-37-2 M-112 NH-36664 TW20-14"-GE PI RV54-4"-HB FE (C,3) L.O. D190-1"-GE 1"-19 1"-130 RV54-2 1/2-HB C217 RHR-53-2 (B,7) HS 7188 C03 10-139B C03 FI ORW 1" FT14-40B FT10-97B C292 ISO TO PAS SYS HS S25 C292 (10-34B) XFER 4337 BKR A L C03 HS S09 C292 C292 FROM FI 7188 C03 6 E/S 4101 FROM BKR C03 10A-S16B HS TE 10-94B POSITIONER TW20-14"-GE R.H.R. HEAT HS S10 C292 SW12-16"-GF C129B 10-91B dPT dPS 10-92B 4100 E/S ISO C292 C03 XFER E/S C292 4100 E/S C292 4100 V128-1"-GE EXCHANGER NOTE 6 ORW SEE C129B C217 E-200B 12 (10-2B) E/P 1729 AI-637 SET AIR AIRREG 1729 HS S25 C292 SEE NOTE 6 RSW101 10-117B RHR-4-2 14"-N26 L.O. PI T 4210 C217 C XFER RHR109 L.O. C L O C C03 RHR-65-2 (10-39B) 10-136B TW24-12"-GE HE GE XFER L O C03 FI C03 TW25-4"-GE HE GE TW24-12"-GE RHR101 F BKR 4208 MO-12"-N26 (10-38B) MO-4"-N138 CONN. 3/4" LEAK TEST TW23-12"-GE TW20-16"-GE REACTOR VESSEL LOW LEVEL INTERLOCKS (PERMISSIVE TO OPEN VALVES MANUALLY) DRYWELL HIGH PRESSURE AND AUTOMATIC VALVE ACTUATION SIGNAL (DRYWELL HIGH PRESSURE OR REACTOR VESSEL LOW LEVEL. SEE FUNCTIONAL CONTROL DIAGRAM FOR ADDITIONAL INTERLOCKS) VALVES MANUALLY) INTERLOCK (PERMISSIVE TO OPEN REACTOR VESSEL LOW LEVEL (CLOSE) M-114-1 NH-85509 FROM CONDENSATE SERVICE WATER LOOP "B" 3/4"-163 AI-610-2 ORW RHR-30-2 RHR-69-2 N.E. RHR-30-4 10"-N234 RHR-2-4 D81-2"-GE HS S08 C292 RHR-59-2 3/4"-19 D80-2"-GE 10"-N234 RHR-2-2 K-10B RHR AUX COMP AI-151 RHR-55-2 ENERGIZED WHEN RHR SW. PUMPS ARE RUNNING RHR-56-2 AI-243-2 AI-244-2 AI-638 5 AI-1088 NH-36664 (A,3) M-112 TW19 TW20 M-131 (A,6) A/S TW19-10"-GE 3/4"-163 AI-610-4 TW19-10"-GE A/S RHR-58-2 M-131 NH-36049-13 (A,6) FILTER ACCUMULATOR RHR-3-4 10"-N26 NH-36049-13 C03 10A-S25B HS 10"-N26 RHR-3-2 L L.O. (A,6) M-131 A/S T-75D L L.O. HS S25 C292 XFER 2"-19 2"-19 AI-645-4 3/4" RHR-68-2 RHR-67-2 5 LEAK CONN. TEST L.O. AIR SET (10-153D) L O C C03 7193 RHR-54-2 START & STOP RHR-57-2 B4454 PS DT ORW TW19-10"-GE C03 10A-S25D HS T-75B ACCUMULATOR (10-153B) SV 1995 N.E. TO A.C. INTERLOCK TW19-10"-GE SV 1997 L O C C03 NH-36247 MTR HTR L36-8 SEE TYP. DETAIL VENTS & DRAINS FOR PUMP 4 M-121 C129B BKR 152-604 P-202B (10-3B) P-202D MTR HTR L36-10 BKR 152-603 (10-3D) C129B SET AIR AI-645-2 14 R.H.R. PI 10-107B 12 PUMP PI 10-107D PUMP R.H.R. RHR-88-2 PS-10-119A,B,C,D LS-2-3-73A,B FROM CONDENSATE SERVICE WATER NH-85509 M-114-1 NH-36242-1 SC10D-2"-GE (A,3) (E,6)(E,2) M-116-1 FROM RHR-89-2 CGC3B-2"-CA GE RHR-90-2 NH-36258 FROM M-143 (D,4) CST-91 2"-130 (CLOSE) TW9 SC29B-2"-GE 4 98A THRU 98H TYPICAL OF 8 ( ) HE GE (MOV POSITION INTERLOCKS) TO A.C. INTERLOCK (B,5) (RECIRC) TW21-2"-GE (RECIRC) TW21-2"-GE TW17-14"-HE C03 10A-S3B HS TW15-14"-HE XFER TO TR-4926 REACTOR WATER M-128 CLEANUP SYSTEM NH-36254 (D,2) (CLOSE) TW25-4"-HE (OPEN) NH-36248 TW24-12"-HE M-122 CST-93 2"-130 (A,6) RHR-8-2 3"-N237 TD5-4"-HBD M-143 (START ON HIGH DRYWELL PRESSURE NH-36258 (D,3) TD5-5"-HBD 3 BS F-4 RV49-1 1/2"-HB RV47-1 1/2"-HB ORW ORW HE GE FI 4"-237 DRW-109 4240 DRAIN DRW-111 1"-19 X-320A-D CONDENSATE STORAGE (TEST) NH-36039 M-108 SUSTAINED FOR LOW LOW LEVEL REACTOR VESSEL PRESSURE OR M-116 NH-36242 15 MINUTES RHR-1-4 14"-N29 14"-N29 RHR-1-2 NOMINAL) 1" 1" 4"-142 DRW-108 3/4"-19 DRW-110 RHR-18-2 20"-N29AB FROM (A,4) OPEN ON REACTOR LOW PRESSURE) (PERMISSIVE TO TW23-12"-GE X-211A X-210A MO-16"-NW123D (SEE NOTE 1) PS-2-3-52B TW20-16"-GE TW8 FROM M-116 NH-36242 (E,5) 3 BKR (10-27B) 4335 X-204A-D 10" DB GE REACTOR VESSEL R-200 (2-1) TW40-4"-DBA NOTES: VALVE MARK NUMBER WITH PREFIX "W" INDICATES ASA 600 LB VALVE RATED AT 1248 PSI/563°F PER MSS-SP-66. ALL MOV HAND SWITCHES INDICATED L.C. OR L.O. HAVE KEY LOCKS. ALL MOV'S INCLUDE HAND SWITCH & POSITION LIGHTS IN IN CONTROL ROOM. DRAIN CONNECTIONS ON RHR PUMP SUCTION & DISCHARGE TO BE PROVIDED WITH HOSE AND PORTABLE CONDUCTIVITY CELL TO FLOOR DRAINS. SEE NOTE 4 ON DWG. NO. M-121, NH-36247. COMBINATION TC/RTD PROBES. RTD'S TO LOCAL JUNCTION BOX ONLY (NJ5304). TE-10-93B-1 (TC), TE-10-93B-2 (RTD) TE-10-93D-1 (TC) (SPARE), TE-10-93D-2 (RTD) TE-10-94B-1 (TC), TE-10-94B-2 (RTD) TE-10-94D-1 (TC), TE-10-94D-2 (RTD) P&ID RESIDUAL HEAT REMOVAL SYSTEM 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. Energy MONTICELLO NUCLEAR GENERATING PLANT NORTHERN STATES POWER COMPANY D93-1"-HE DLA VALVE LEAKAGE TEST CONN. 1"-19 RHR-74-2 C03 10A-S11B HS DRW-122 REMOVABLE SPOOL PIECES INSTALLED FOR TORUS DRAINING NH-96042-1 D82-3"-HE RHR-10-2 (C,3) TD5-4"-HBD TD5-3"-HBD TORUS RING HEADER XFER TW14A TW14A-20"-HE PIECE INSTALLED FOR REMOVABLE SPOOL TORUS DRAINING HS S06 C292 HS S25 C292 C03 10A-S4B HS L.O. C11 PAS SYS FROM TD5-3"-HBD HE (A,7) HBD (10-13B) TW27-20"-HE MO-18"-N29 RHR-13-2 1"-19 TW14A REW10 2 ORW (10-15B) 4321 PAS-57-7 1"-19 DRW-113 3"-N29AB C03 10A-S6B HS BKR POS 3140 X-224A MO-20"-N29AB B C D A REW10-18"-HE RHR-78-2 M-143 NH-36258 (D,5) RHR-77-2 3/4"-19 L O C C03 BKR 4339 C03 10A-S9B HS RHR-75-2 3/4"-130 D100-3/4"-GE D97-3/4"-DB C03 10A-S8B HS 3/4"-19 (SEE NOTE 1) SUPPRESSION CHAMBER TORUS MO-16"-NW14DU X-213A ORW BKR 4334 (10-26B) RHR-76-2 X-29E TEST CONN. D58-1"-DCA VALVE LEAKAGE (10-25B) 3/4"-130 RHR-12-2 3/4"-130 RHR-11-2 RHR-31-2 X-13A RHR-33-2 1"-130 1"-CCA DB RHR-43 3/4"-130 AIR TEST CONN. D180-1"-GE 2 (PERMISSIVE TO OPEN WHEN TORUS SUCTION VALVE MO-1987 IS CLOSED) DISCHARGE VALVE OPEN WHEN TORUS (PERMISSIVE TO MO-2007 IS CLOSED) V129-3/4"-HE RHR LOOP "A" NH-36247 M-121 FROM (B,5) 3/4"-130 RHR-48 Xcel 1. 3. 2. 4. 6. 5. 1"-CCA RHR-32-2 RHR-73-2 3/4"-130 RHR-24-2 3/4"-130 16"-NW14 RHR-6-2 SEE NOTE 1 TW20-16"-DLA RHR-25-2 INSIDE OF DRYWELL DLA CRW DC DB DCA V34-3/4"-DB CLOSE 4" VENT L O C C03 BKR 4209 X-39A (10-31B) TW23-10"-GE L.O. RHR-72-2 L O C C03 DLA 4331 4" BKR L.O. CO4 2A-S9B HS DBA DLA DCA M-120 MONTI CAD DWG ` ' 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 BAT 4-8-11 DDW 4-13-11 CVB 4-13-11 15557/16563 REVISIONS 17932 IRL 6-29-11 BAL 6-28-11 JJP 6-28-11 20263 KMF 6-27-12 BAL 6-22-12 JJP 6-21-12 JEB 5-1-13 BAL 4-29-13 JJP 4-29-13 NH-36246 SCALE: sm NONE 1 M-121 NH-36247 REACTOR RECIRCULATING PUMP P-200B (2-2-1B) RHR-70 NH-36247 RHR-71 M-117 NH-36243 (D,6) 18" M-121 (C,6) (E,6) CHK: APPR: CHK: DWN: APPR: CHK: DWN: 81 APPR: 80 APPR: CHK: DWN: 82 EC EC EC 20651 DWN: 79 1 EC REV AV 88 A B C D E 21396 APPR: WMS 5-8-13 CHK: DWN: PEB 5-8-13 JJP 5-8-13 83 EC NOTE 7

7. SOLENOID VALVE SV-2017, ACTUATOR, LIMIT SWITCHES AND AIR LINES ASSOCIATED WITH VALVE AO-10-46B HAVE BEEN ABANDONED IN PLACE: REFERENCE EC21396.

25011 APPR: RAD 1-28-15 CHK: DWN: BAL 1-28-15 JJP 1-28-15 84 EC PAGE 3 ADDED TO.PDF DOC. 19671 APPR: MM 10-18-16 CHK: DWN: BAL 10-17-16 JJP 10-10-16 85 EC INTERNAL FLOODING RELATED. 8. (SEE NOTE 8) LE RHR-B18 LE RHR-B4 LE RHR-B12 LE RHR-B11 27023 APPR: WMS 4-23-17 CHK: DWN: AJR 4-22-17 JJP 4-21-17 86 EC 601000000410 APPR: DAM 1-24-18 CHK: DWN: BAL 1-24-18 JJP 1-24-18 87 MO 2021 MO 2023 RHR-50 RHR-16-2 RHR-34 RHR-64 MO-10"-N26 MO-10"-N26 3/4"-130 RHR-17-2 MO 2015 MO 2013 AO 10-46B MO 2007 FE 10-110B FT 10-111B FS 10-123B RV 2005 FI 4106 FY 4106 HS S07 C292 HS S25 C292 C03 10A-S14B HS C03 10A-S12B HS FT 10-109B FE 10-108B MO 2009 MO 2011 MO 2003 FE 10-121D FS 10-121D CV 1997 CV 1995 CIT 10-113B SX 2898 TE 10-93D CE 10-112B A H C03 dPY 4103 dPY 4109 dPC 4103 dPI 4103 CV 1729 SV 1729 RV 4908B FE 10-121B FS 10-121B PS 10-105B PS 10-105F HS S12 C292 HS S25 C292 C03 10A-S2B HS MO 1989 PI 10-106B dPI 7846B RV 1991 dPT 7845D PI 10-106D RV 1993 RO 1999 RO 2001 PS 10-105H PS 10-105D MO 1987 MO 4085B POS 2019 TE 10-98A MO 2033 RV 4282 PI 10-115B PS 10-122B HS S25 C292 TE 10-93B TE 10-94D dPT 7845B APPR: 600000686596 CHK: DWN: 600000677406 JJP 2-19-20 88 601000001601 ADDT'L. PAGE ADDED TO.PDF DOC.

LE RHR-A8-2 LE RHR-8-3 LE RHR-A14 LE RHR-A9 LE RHR-B15-A10 LE RHR-A16 LE RHR-A3 LE RHR-B6 X-50F REACTOR VESSEL R-200 (2-1) REACTOR RECIRCULATING PUMP P-200A (2-2-1A) L O C C03 X-12 RHR-20 3/4"-130 HE DB M-120 NH-36246 NH-36247 6 5 4 3 2 1 E D C B A E D A 6 5 3 4 1 2 B C REVISIONS VALVE LEAKAGE TEST 3/4"-130 RHR-19 FROM CNDS NH-85509 SERV WATER M-114-1 F RHR102 X-211B X-210B TORUS SUPPRESSION CHAMBER X-213B TORUS RING HEADER L O C C03 DC C DRW-123 ORW RHR-62 MO-20"-N29AB MO-18"-N14D5 (10-13A) REW10-18"-HE REW11-8"-HE TW28-20"-HE ORW RV56-1 1/2"-HB X-224B SC10B-2"-GE CST-89 2"-130 MO-18"-N14DU (10-17) (ISOLATION SIGNALS A,U) M-120 TO ALARM REW10-18"-DB D99 D196-1"-HE RHR-13-1 1"-19 MO-18"-N29 (10-15A) TW28-20"-HE REW10 TW14B M-120 PUMPS B&D NH-36246 (B,2) SUCTION RHR L.O. M-135 EMERGENCY NH-36256 FUEL POOL COOLING HE PERMISSIVE TO OPEN WHEN TORUS DISCHARGE VALVE MO-2006 IS CLOSED MO-1986 IS CLOSED) SUCTION VALVE OPEN WHEN TORUS (PERMISSIVE TO PAS SYS FROM NH-96042-1 3"-N29AB RHR-10-1 L.O. RHR-1-1 14"-N29 14"-N29 RHR-1-3 (TEST) CONDENSATE NH-36039 STORAGE M-108 RHR-18-1 20"-N29AB C11 TW14B (START ON HIGH DRYWELL PRESSURE OR REACTOR VESSEL LOW LOW LEVEL WITH PAS-57-6 A B C D D83-3"-HE A/S AIR SET FILTER RHR-56-1 AI-243-1 RHR-58-1 RHR-57-1 RHR-54-1 RHR-55-1 AI-1087 (10-2A) E-200A EXCHANGER R.H.R. HEAT D184-1"-GE 1"-19 RHR-37-1 TE 10-93A 10-96A FE A C03 L C RV55-4"-HB C129A 10-117A PI RHR-46-1 1"-130 V127-1"-GE CRW NOTE 5 4" 4" TW40-4"-DBA TW40-4"-DBA DLA DB (10-18) L O C C03 M-117 3/4"-130 RHR-40 CRW RHR-9 18"-N14 RHR-25-1 3/4"-130 3/4"-130 RHR-24-1 V35-3/4"-DB VENT 4" 4" RHR-73-1 RHR-72-1 L.O. M-117 (D,3) RHR-6-1 16"-NW-14 CRW DCA DLA DBA DLA DC DLA DB (10-25A) (10-27A) RHR-77-1 RHR-78-1 3/4"-19 3/4"-19 ORW ORW RV48-1 1/2"-HB 1" TW16-14"-HE C129A LOOP "A" DT AI-244-1 AI-153 NH-36049-13 M-131 (C,5) ENERGIZED WHEN RHR SW. PUMPS ARE RUNNING dPIC 10-130A C03 FROM E/S 7251A M-112 NH-36664 RHR SERVICE WATER C129A RHR-38-1 C129A PI 10-99A WATER NH-36664 RHR SERVICE M-112 FT 10-97A E/S 10-145A FROM HS 7189 C03 C03 10-132A FI RHR104 T F RSW102 ACCUMULATOR T-75A T RSW100 K-10A RHR AUX. COMP. PANEL P73A BKR. #1 3/4"-163 AI-610-1 SET AIR L C03 C O RHR PUMP P-202C (10-3C) M-120 TO ALARM NH-36246 SEE DETAIL FOR PUMP VENTS & DRAINS AI-645-1 BKR 152-503 MTR HTR L35-10 MTR HTR L35-8 BKR 152-504 11 (10-3A) P-202A RHR PUMP L.O. L.O. D84-3"-GE RHR-47 3"-N26 10"-N26 RHR-3-1 RHR-2-1 10"-N234 L.O. RHR-4-1 14"-N26 L.O. 14"-N26 RHR-5-1 NOTES: VALVE MARK NUMBER WITH PREFIX "W" INDICATES ASA 600 LB. VALVE RATED AT 1248 PSI/563° F PER MSS-SP-66. 1. SEE DWG. No. 2. DELETED 3. TYPICAL SPEC. CHANGE AFTER LAST VALVE IN VENTS, DRAINS AND LEAK TEST CONNECTIONS. 4. 2. FROM PS 2-128A & PS 2-128B, PERMISSIVE TO OPEN 5. ISOLATION SIGNALS A,U 6. REFERENCE DRAWINGS: RHR FUNCTIONAL CONTROL DIAGRAM 1. RHR PROCESS FLOW DIAGRAM PUMP NUMBER P202B P202A P202C P202D SUCTION DRAIN DRAIN DISCHARGE DRAIN CASING VENT LEAKAGE SEAL VALVE No. LINE No. LINE No. LINE No. LINE No. LINE No. VALVE No. VALVE No. VALVE No. VALVE No. FIS No. RHR-44-1 RHR-44-2 RHR-44-3 RHR-44-4 D86-1"-GE D85-1"-GE D88-1"-GE D87-1"-GE RHR-36-1 RHR-36-2 RHR-36-3 RHR-36-4 D151-1"GE D137-1"GE D150-1"GE D138-1"GE RHR-23-1 RHR-23-2 RHR-23-3 RHR-23-4 RHR-35-1 RHR-35-2 RHR-35-3 RHR-35-4 V96-3/4"-GE V90-3/4"-GE V95-3/4"-GE V91-3/4"-GE 10-124-A 10-124-B 10-124-C 10-124-D RHR-22-1 RHR-22-2 RHR-22-3 RHR-22-4 D90-3/4"-GE D89-3/4"-GE D92-3/4"-GE D91-3/4"-GE SUCTION DRAIN CRW NOTE 2 DRAIN CASING DISCHARGE DRAIN SEAL PUMP SEAL LEAKAGE VENT COOLER SEAL CYCLONE SEPARATOR M-111-1 RBCCW A C03 C NOTES:

1. VALVE CLASS 1"-19
2. VALVE FOR P202B (RHR-45-2) &

P202D (RHR-45-4) ONLY. 3/4"-130 RHR PUMP VENT & DRAINS DETAIL (TYP OF 4) RHR106 T TE 10-94C A H C03 TR 23-115 C21 M-120 FROM TE 10-93B-1, TE 10-94B-1 & TE 10-94D-1 & TE-2781B FROM TE-2781A M-135 3/4"-130 RHRSW-15 NH-36664 RHRSW PUMPS M-112 RHRSW-16 3/4"-130 RHRSW-17 8"-N234 3/4"-130 RHRSW-35 RHRSW-36 3/4"-130 VENT SW9-8"-GE P-109A & C C03 10-139A FI FR 10-143 C03 M-120 FROM FT 10-109B NH-36246 FROM E/S 7251A TW30-14"-GE TW33-12"-GE TW22-14"-GE RV52-1 1/2"-HB 1" TW36-4"-GE PERMISSIVE TO OPEN WHEN SHUTDOWN CLG. SUCTION VALVE MO-1988 IS CLOSED RHR100 F NH-36246 TO ALARM M-120 FI 10-136A C03 FROM E/S 7251A FT 10-97A (10-39A) L O C C03 TW35-4"-GE MO-12"-N26 TW34-12"-GE 1" NH-36242 FROM PS-2-3-52A M-116 (PERMISSIVE TO OPEN ON REACTOR LOW PRESSURE) M-114-1 SERVICE WATER NH-85509 NH-36258 M-143 2"-130 CST-95 SC10A-2"-GE SC10C-2"-GE CST-99 2"-130 NH-85509 FROM CNDS M-114-1 SERV WATER GE HE L O C C03 (10-34A) MO-10"-N138 HE GE RHR-65-1 3/4" LEAK TEST L O C C03 (10-38A) MO-4"-N138 3/4" L.O. (10-66) L O C C03 C A.C D.C (10-57) RHR-59-1 3/4"-130 RHR-67-1 RHR-68-1 RHR-69-1 (ISOLATION SIGNALS A,U) MO-4"-N26 TW37-4"-GE LEAK TEST CONN. (10-65A) MO-14"-N138 TW22-14"-GE C RHR108 A H C03 TO PAS SYS NH-96042-1 TW30-14"-GE PAS-57-5 C C217 C217 C217 L.O. RHR-7 14"-N26 1"-19 RHR-41 FPW12-8"-GE 1" DRAIN TW29 TW30 L TW29-14"-GE TW29-10"-GE TW29-10"-GE C129A (10-153A) TW31-2"-GE N.E TO A.C. INTERLOCK dPT 7845C C129A RHR-3-3 10"-N26 TW29-10"-GE 10"-N234 RHR-2-3 L TW22-14"-GE M-120 ORW PC-35 1"-19 1"-19 PC-36 D95-1"-GE D96-1"-GE HC GE GE TO A.C. INTERLOCK SET AIR T-75C ACCUMULATOR RV50-1 1/2"-HB ORW 1" TW31-2"-GE (RECIRC) TW34-10"-HE TW30-16"-GE TW35-4"-HE TW31-2"-GE (RECIRC) FUEL POOL EMERGENCY COOLING NH-36256 NH-36045 M-139 M-135 NH-36246 MO 2033 CORE SPRAY M-122 NH-36248 TW12 WASTE SURGE TANK CROSS TIE GE DB MO-16"-NW123D 3/4"-130 RHR-11-1 RHR-12-1 3/4"-130 (VALVE POSITION INTERLOCKS) TW30-16"-DB D98-3/4"-DB HE GE DCA DB 1"-CCA RHR-31-1 RHR-32-1 RHR-33-1 TW13 3"-N237 RHR-8-1 X-13B D57-1"-DCA VALVE LEAKAGE TEST CONN. MO-16"-NW14DU SEE NOTE 1 SEE NOTE 1 M-122 NH-36248 L O C C03 (10-153C) N.E. 3/4"-163 AI-610-3 AI-645-3 A/S HE GE TW18-14"-HE (MOV POSITION INTERLOCKS) C129A HB ED V45-3/4" INSIDE OF DRYWELL VALVE LEAKAGE TEST CONNECTION C SEE NOTE 6 DCA ED DLA 3/4"-130 RHR-26 RHR-27 VENT RHR-49 CRW X-17 RHR-75-1 MO-10"-N26 L O C C03 10" 3/4" GE X-39B RHR-76-1 RHR-17-1 RHR-16-1 VALVE LEAKAGE TEST CONN. 3/4"-130 3/4"-130 D101-3/4"-GE AIR TEST CONN. REFUELING SEAL RHR-74-1 TW33-10"-GE TW33-12"-GE RHR-63-2 RHR-63-1 (10-31A) MO-10"-N26 (10-26A) L O C C03 POSITIONER AI-634 AI-633 AI-635 NH-36042-2 (D,4) (D,6) (C,6) (D,6) (B,6) (B,4) (B,5) (B,4) (C,1) (A,4) (C,5) NH-36049-13 M-131 (B,2) (B,2) (C,6) (C,2) (B,6) (C,1) NH-36243 NH-36243 (C,4) (E,2) (A,4) (A,4) MO-4"-N26 10-92A dPS 10-91A dPT 3/4"-130 E/P 1728 M-122 NH-36248 TO FT 14-40A (A,2) (E,2) ORW PC-18 PC-1 (C,5) M-131 NH-36049-13 A/S (D,2) M-117 NH-36243 (C,5) (D,3) NH-36258 M-143 ON LOW PRESSURE. NOTE 5 HB MAIN LINE CLASS (C,3) ORW PS 7192 11 13 ORW ORW BKR 3333 3309 BKR BKR 3339 3334 BKR BKR 3335 BKR 3331 BKR 31307 BKR 3332 BKR 3321 BKR 3322 C03 10A-S25C HS C03 10A-S16A HS BKR 3336 BKR 31310 C L O C C03 C03 16A-S13 HS BKR 4211 BKR 3338 BKR 3337 C03 10A-S14A HS BKR 3341 NH-36246 (B,6) NH-36256 (B,4)(C,6) (B,7) L.O. DRYWELL HIGH PRESSURE AND VALVES MANUALLY) INTERLOCKS (PERMISSIVE TO OPEN REACTOR VESSEL LOW LEVEL FROM (CLOSE) REACTOR VESSEL LOW LEVEL INTERLOCK (PERMISSIVE TO OPEN VALVES MANUALLY) (E,6)(E,2) NH-36242-1 M-116-1 (D,4) NH-36258 M-143 FROM PS-10-119A,B,C,D LS-2-3-73A,B (OPEN) FOR ADDITIONAL INTERLOCKS) SEE FUNCTIONAL CONTROL DIAGRAM OR REACTOR VESSEL LOW LEVEL. SIGNAL (DRYWELL HIGH PRESSURE AUTOMATIC VALVE ACTUATION (CLOSE) FROM CONDENSATE CONN. (CLOSE) M-120 RHR-53-1 3/4"x1/4" RHR-79 RHR-80 NX-7905-4 NX-7905-6-1, 2 & 3 FROM ABANDONED COMBINATION TC/RTD PROBES. RTD'S TO LOCAL JUCTION BOX (NJ5303). TE-10-93A-1 (TC), TE-10-93A-2 (RTD) TE-10-93C-1 (TC) (SPARE), TE-10-93C-2 (RTD) TE-10-94A-1 (TC), TE-10-94A-2 (RTD) TE-10-94C-1 (TC), TE-10-94C-2 (RTD) 7. 10-93C TE SEE NOTE 7 SEE NOTE 7 SEE NOTE 7 SEE NOTE 7 RHR-83-1 RHR-85-1 RHR-83-2 RHR-85-2 RHR-82 RHR-84 RHR-81 REW10-1" DC NH-36246 (B,6) X-204A-D X-320A-D (NH-36246) (B-6) SERVICE WATER M-114-1 FROM CONDENSATE RHR-87 RHR-86 SC29A-1"-GE REACTOR LOW PRESSURE OR REACTOR LOW LOW LEVEL SUSTAINED FOR 15 MIN.) (B,2)(B,6)(C,2)&(C,6) NH-36242 M-116 (ISOLATION SIGNALS A,U) M-112 NH-36664 (C,4) RV55-2 1/2-HB ORW CGC3A-2"-CA RHR-90-1 3/4"-19 GE RHR-89-1 RHR-88-1 NH-36247 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-121 AV Xcel NORTHERN STATES POWER COMPANY MONTICELLO NUCLEAR GENERATING PLANT Energy sm P&ID RESIDUAL HEAT REMOVAL SYSTEM REV 93 1728 AIRREG TO PAS SYSTEM NH-96042-1 REW10-1"-HE 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 NOTE 8

8. SOLENOID VALVE SV-2016, ACTUATOR, LIMIT SWITCHES AND AIR LINES ASSOCIATED WITH VALVE AO-10-46A HAVE BEEN ABANDONED IN PLACE; REFERENCE EC21396.

20651 APPR: CHK: DWN: JJP 4-29-13 84 EC BAL 4-29-13 JEB 5-1-13 25011 APPR: RAD 1-28-15 CHK: DWN: BAL 1-28-15 JJP 1-28-15 85 EC PAGE 3 ADDED TO.PDF DOC. 19671 APPR: MM 10-18-16 CHK: DWN: BAL 10-17-16 JJP 10-11-16 86 EC INTERNAL FLOODING RELATED. 9. SEE NOTE 9 SEE NOTE 9 27897 APPR: PY 12-13-16 CHK: DWN: BAL 12-13-16 JJP 12-12-16 87 EC 27023 APPR: WMS 4-23-17 CHK: DWN: AJR 4-22-17 JJP 4-21-17 88 EC 28692 APPR: MM 7-11-17 CHK: DWN: AJR 7-11-17 JJP 7-7-17 89 EC PC-37 1 2" HIGH POINT VENT LINE - SEE EC28692 601000000410 APPR: DAM 1-24-18 CHK: DWN: BAL 1-24-18 JJP 1-24-18 90 FIS MO 2006 FT 10-111A FS 10-123A FE 10-108A FE 10-110A FT 10-109A RV 2004 MO 2008 MO 2010 C03 10A-S13A HS C03 10A-S12A HS FI 7189 C03 HS 7189 C03 CE 10-112A CIT 10-113A SX 2897 MO 2032 MO 2407 C03 16A-S14 HS FE 10-121C FS 10-121C PS 10-105G PS 10-105C PI 10-107C RO 1998 RO 2000 CV 1994 SV 1994 PS 10-105A FS 10-121A FE 10-121A PS 10-105E PI 10-107A dPI 7846A RV 4908A SV 1728 CV 1728 TE 10-94A PS 10-122A PI 10-115A RV 4281 MO 2002 dPT 7845A PI 10-106A CV 1996 RV 1992 SV 1996 MO 1986 MO 1988 POS 3139 RV 1990 RV 2031 PS 10-118 MO 2030 C03 10A-S2A HS C03 10A-S25A HS C03 10A-S3A HS C03 10A-S6A HS C03 10A-S4A HS MO 2020 C03 10A-S9A HS C03 10A-S11A HS MO 2022 MO 2029 MO 4086 MO 4085A POS 2018 C04 2A-S9A HS C03 10A-S8A HS MO 2012 MO 2014 C03 16A-S9 HS C03 16A-S10 HS C04 2A-S10A HS AO 10-46A C03 10A-S10A HS PI 10-106C SEAL COOLER E-202-2A E-202-2B E-202-2C E-202-2D 601000002015 APPR: 600000643979 CHK: DWN: 600000655037 JJP 1-15-20 91 APPR: 600000686596 CHK: DWN: 600000677406 JJP 2-19-20 92 601000001601 ADDT'L. PAGE ADDED TO.PDF DOC. 601000002303 APPR: 600000732711 CHK: DWN: 600000755674 JJP 7-29-20 93 93 TW36-3/4"-GE 93 D192-3 4"GE D194-3 4"GE D193-3 4"GE D195-3 4"GE 93

(C,6) NH-36242-1 NH-36258 DLA X-226B 12"-N29AB REACTOR VESSEL INSTRUMENTATION ABOVE CORE PLATE) (FROM PRESSURE M-116-1 TORUS SUPPRESSION CHAMBER V98-1"-GE D76-1"-GE 2"-130 CS-10-2 FROM E/S 4100 FROM E/S 4101 TW7-10"-GE NH-36248 A B C D E (WEST SIDE) CONDENSATE STORAGE 6 NH-36039 (B,4) M-108 (TEST) C12-12"-HB 12"-N29AB 3/4"-19 CS-4-2 HB C12 CS-3-2 HE HB HE TW6 AUTO BLOWDOWN FT-10-111B FT-10-97B CS-14-2 1/2"-19 ORW (C,1) SERVICE WATER NH-36664 M-112 EMERGENCY AC INTERLOCK CRW 3/4"-130 CS-15-2 NH-36246 NH-36664 M-112 (D,6) M-120 (D,4) 6 HB 2"-19 10"-N234 3/4"-19 CS-5-2 CS-9-2 CORE SPRAY TW7-2"-GE CS-8-2 PUMP (14-1B) P-208B 1/2"-GE 3/4"-GE MOTOR COOLING MOTOR COOLING (14-10B) 14-52B C19 E/S 14-48B C03 PI TW7-10"-GE L-36-9 MOTOR HEATER BKR 152-605 VENT CRW ORW RV-42-2"-HB GE 2" H M-124 NH-36250 X-16A BKR 4324 (14-12B) (OPEN ON AUTOMATIC INITIATION (NOTE 1)) 3"-237 DRW-131-4 L D154-1"-GE ECCS AREA DRAIN PUMPS-100 GPM D78-2"-HE CS-2-2 TW6-12"-HE ORW CRW 2"-19 5 EACH H H L BKR 4349 DRW-131-3 3"-237 P-88C BKR 4350 P-88D SERVICE WATER CONDENSATE TW8-8"-HE (CLOSE ON AUTOMATIC INITIATION (NOTE 1)) (14-26B) BKR 4327 BKR 4325 CS-24-2 (14-11B) CS-26-2 3/4"-19 3/4"-19 CS-25-2 MO-6"-N138 GE L.O. XFER CS-6-2 CS-7-2 1"-19 1"-19 CS-17-2 CS-16-2 HE NH-36246 (C,4) RHR TEST LINE M-120 TW9-2 1/2"-HE GE HE TW8-8"-GE 14-50B C03 C292 ORW ISO C292 FI SC29-2"-GE NH-85509 (A,5) M-114-1 5 TEST CONN. VALVE LEAKAGE TW24 TW4-4"-HE TO TORUS ROOM 3"-HC XFER X-204A-D (B,5) HPCI C121 ED C HB 1"-972 (C,2)&(C,6) REACTOR VESSEL INSTRUMENTATION NH-36242 TW7-8"-ED MO-8"-NSP14D LT16-3/4"-ED ED GE XFER MO-8"-N14D CS-11-2 3/4"-130 3/4"-130 CS-12-2 XFER M-116 MO-12"-N29AB (14-7B) 4 BKR 4326 XFER CS-1-2 12"-N29AB L.O. CS-1-1 NH-36242 TYPICAL OF 2 SPACED 180° APART (B,2)&(B,6) M-116 ECB CS-23-2 CS-21-2 CS-20-2 1"x3/4" TORUS RINGHEADER TORUS ACCESS HATCH X-200A/B X-50A 3/4"-19M3 I-X50-R-A CS-22-2 ED DBB HBD CRW ED HBD HBD ED ED DBB ECB REACTOR PRESSURE) M-116 NH-36242 REACTOR VESSEL INSTRUMENTATION (E,2)&(E,5) FROM PS 2-3-52A (PERMISSIVE ON LOW & PS 2-3-52B NOTE 5 14-13B AO ED DLA TW7-8" DLA CS-13-2 8"-N14 ED 4 INITIATION (NOTE 1) START PUMPS ON AUTOMATIC X-226A 1"-130M3 REACTOR VESSEL DLA L.O. 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. Xcel NORTHERN STATES POWER COMPANY MONTICELLO NUCLEAR GENERATING PLANT M-121 NH-36247 NH-36664 M-112 CORE SPRAY CHECK VALVE DESIGN SPEC. E82FR01-01 FOR PIPE CLASS CORE SPRAY ELEMENTARY DIAGRAM (GE729E817) NX-7833-21-(1 THRU 5) CORE SPRAY SYSTEM PROCESS FLOW DIAGRAM (GE161F301) NX-7833-4 CORE SPRAY SYSTEM F.C.D. (GE729E239) NX-7833-3 CORE SPRAY SYSTEM F.C.F. (GE153F722) NX-7833-1-2 REFERENCE DRAWINGS: 14-52A TO TORUS ROOM TW12-8"-HE LT15-1"-ED TW11-8"-GE 1751 (CLOSE ON AUTOMATIC INITIATION (NOTE 1)) P-88B BKR 3350 DRW-131-1 3"-237 BKR 3326 L.O. 3 MO-12"-N29AB (14-7A) BKR 3349 DRW-131-2 P-88A 3"-237 H L 3"-HC 2"-19 D79-2"-HE CS-2-1 CRW (OPEN ON AUTOMATIC INITIATION (NOTE 1)) CS-22-1 BKR 3324 EF CRW 20"Ø TORUS RING HEADER M-143 (D,3) ECB ED HBD HBD 3/4"-19M3 I-X27-R-C X-27C CS-13-1 8"-N14 TW11-8" ED L.O. DLA DBB ED ECB ED ECB DLA CS-23-1 NOTE 5 1"x3/4" CS-21-1 CS-20-1 14-13A AO ED DBB HBD ED LT15-3/4"-ED 3 X-320A-D RCIC PUMP NH-36252 MIN. FLOW (B,5) M-126 1"-972 C FW6-2"-HE TW34 3"-HC C121 INSTRUMENTATION REACTOR VESSEL CS-25-1 3/4"-19 3/4"-19 CS-26-1 VALVE LEAKAGE TEST CONN. 1"-130 CS-19-1 1"-130 CS-18-1 TW11-8"-ED CS-11-1 3/4"-130 MO-8"-N14D 3/4"-130 CS-12-1 X-16B HB ED (14-12A) ORW 1753 MO (C,2)&(C,6) NH-36242 M-116 MO-8"-NSP14D HB ED ED MO (EAST SIDE) D153-1"-GE (B,4) NH-36039 CONDENSATE STORAGE (TEST) M-108 PUMPS-100 GPM ECCS AREA DRAIN 12"-N29AB 3/4"-19 CS-4-1 TW10 HE HB HE CS-3-1 C14 HB EACH H L H 2 C14-12"-HB TW10-12"-HE CRW L.O. V97-1"-GE D77-1"-GE 2"-130 CS-10-1 2"-NOTE 4 FROM E/S 7251A CST-103-1 TEST LINE NH-36247 RHR TEST 2"-HE M-121 (C,5) LINE TW13-2 1/2"-HE BKR 3327 (14-26) TW12-8"-GE CS-6-1 1"-19 CS-7-1 HE 1"-19 CS-16-1 CS-17-1 GE MO-6"-N138 GE HE SC30-2"-GE 2"-NOTE 4 CST-104-1 CS-28-1 CS-27-1 1" CS-24-1 GE (14-11A) BKR 3325 1" SC30-3/4"-GE 2 TW11-10"-GE MOTOR HEATER 2"-19 10"-N234 CRW CS-9-1 BKR 152-505 TW11-2"-GE CS-8-1 L-35-11 VENT 2. 3. 5. 4. 1. PUMP P-208A (14-1A) 1/2"-GE 3/4"-GE MOTOR COOLING MOTOR COOLING CORE SPRAY (14-10A) 3/4"-19 CS-5-1 PI 14-48A C03 FT-10-111A CST-101-1 14-50A FI C03 2" GE HB ORW 2"-19 GE CST-102-1 3/4"-19 HB RV43-2"-HB FT-10-97A GE HB (D,5) (D,2) SC30-2"-HB SCALE: P&ID CORE SPRAY SYSTEM NH-36248 Energy sm 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 MONTI CAD DWG ` ' NONE M-122 REV AB 90 CRW SERVICE WATER EMERGENCY NH-36664 AUTO BLOWDOWN 3/4"-130 CS-15-1 AC INTERLOCK ORW (B,1) M-112 E/S C19 CS-14-1 1/2"-19 RV46-1 1/2"-HB CST-100-1 3/4"-19 M-114-1 NH-85509 (C,3) ORW CONDENSATE SERVICE WATER 1 JJP 4-29-13 BAL 4-29-13 JEB 5-1-13 APPR: CHK: DWN: JJP 5-29-07 BAL 6-14-07 JJP 8-16-07 11310 01099604 EAN 6-15-07 JIH 8-20-07 BAL 8-20-07 11951 10785 REVISIONS BJR 3-11-08 RMG 3-12-08 JJP 3-5-08 01121715 01125736 12433 JJP 4-21-08 JIH 4-21-08 BAL 4-21-08 18998 KMF 11-7-11 BAL 11-1-11 JJP 10-31-11 16693 KF 3-21-12 PEB 3-21-12 JJP 3-21-12 20651 APPR: CHK: DWN: APPR: CHK: DWN: CHK: APPR: APPR: CHK: DWN: DWN: 80 81 82 78 79 EC EC EC A/R A/R EC EC DWN: CHK: DWN: APPR: CHK: APPR: 77 76 A/R EC EC A B C D E 21396 APPR: WMS 5-7-13 CHK: DWN: PEB 5-7-13 JJP 5-7-13 83 EC AUTOMATIC INITIATION OF THE CORE SPRAY SYSTEMS OCCURS ON: A) HIGH DRYWELL PRESSURE OR B) LOW LOW REACTOR WATER LEVEL AND LOW REACTOR PRESSURE OR C) LOW LOW REACTOR WATER LEVEL FOR 15 MINUTES (NOMINAL). NOTE: 1. 2. 3. NOTE 2 NOTE 3 SOLENOID VALVE SV-1755, ACTUATOR, LIMIT SWITCHES AND AIR LINES ASSOCIATED WITH VALVE AO-14-13A HAVE BEEN ABANDONED IN PLACE; REFERENCE EC21396. SOLENOID VALVE SV-1756, ACTUATOR, LIMIT SWITCHES AND AIR LINES ASSOCIATED WITH VALVE AO-14-13B HAVE BEEN ABANDONED IN PLACE; REFERENCE EC21396. CST-103-1 AND CST-104-1 ARE IN-LINE STYLE STAINLESS STEEL CHECK VALVE WITH PEEK SEATS PER EC 6EQVENG26358. 22928 APPR: WMS 12-2-13 CHK: DWN: BAL 12-2-13 JJP 12-2-13 84 EC 25011 APPR: RAD 1-28-15 CHK: DWN: BAL 1-28-15 JJP 1-28-15 85 EC PAGE 3 ADDED TO.PDF DOC. LE CSP-A4 LE CSP-B10 LE CSP-B4 LE CSP-B2 27023 APPR: WMS 4-23-17 CHK: DWN: AJR 4-22-17 JJP 4-21-17 86 EC APPR: RAH 8-3-17 CHK: DWN: BAL 8-3-17 JJP 8-3-17 87 6DOCEDI27833 601000000410 APPR: DAM 1-24-18 CHK: DWN: BAL 1-24-18 JJP 1-24-18 88 6EQVENG26358 APPR: TN 3-12-18 CHK: DWN: BAL 3-9-18 JJP 3-9-18 89 4. MO 1754 PS 14-47B MO 1752 RV 2470 FG 2630 TX 2468 RV 1745 PI 7324 HS 7189 C03 FI 7189 C03 PCV 2458 PT 14-38A PS 14-44C PS 14-44A FT 14-40A F CSP100 FE 14-39A C03 14A-S2A HS C03 14A-S5A HS RO 1743 MO 1749 RO 1747 RO 2854 11 PI 14-36A A C06 LS 3402 LS 3399 PS 14-47A A H C03 C03 14A-S16A HS C03 14A-S1A HS C03 14A-S4A HS A H C03 XFV-82 HS 42-3349/CS dPIS 14-43A L O C C03 FG 3477 L C03 L C03 LS 3398 HS 42-3350/CS L O C C03 FG 3478 POS 1758 HS S01 C292 HS S26 C292 C03 14A-S1B HS HS S03 C292 HS S26 C292 HS S02 C292 C03 14A-S2B HS A H C03 C03 14A-S16B HS dPIS 14-43B HS 42-4350/CS HS S26 C292 HS S04 C292 HS 42-4349/CS C03 14A-S4B HS F CSP101 FI 4104 FY 4104 FT 14-40B FE 14-39B RO 2855 HS S26 C292 RO 1744 C03 14A-S5B HS MO 1750 RO 1748 LS 3401 L C03 L C03 LS 3400 LS 3403 A H A H C03 XFV-83 RV 1746 FI 7188 C03 HS 7188 C03 PS 14-44B TX 2469 PT 14-38B PS 14-44D PI 14-36B 12 HS S05 C292 POS 1757 MO 1741 MO 1742 HS S26 C292 C03 14A-S3B HS C03 14A-S3A HS APPR: 600000686596 CHK: DWN: 600000677406 JJP 2-19-20 90 601000001601 ADDT'L. 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AND C03 SPEED TURBINE MISC TURBINE INSTRUMENTATION 23A-S19 3x2 C28-2"-HE D45-3/4"-HE TW38-2"-HE CONDENSATE PUMP P-212 TO PT 23-83 VALVE (CLOSE) NH-36241 MAIN STEAM HPCI-10 3/4"-130 HPCI-23 HPCI-11 3/4"-130 HPCI-75 A 6 SUPPRESSION POOL LT29B-3/4"-HE V52A-2"-HE HPCI-65 B HPCI-66 LT29A-3/4"-HE 2"-130 3/4"-130 HPCI-67 X-217 HPCI-71 2"-130 HPCI-70 LT29C-3/4"-HE HPCI-68 3/4"-130 3/4"-130 HPCI-69 C D R-200 (2-1) REACTOR VESSEL HPCI-83 RS2-20"-HE X-221 D13-2"-HE X-222 2"-19 HPCI-16 HPCI-84 HPCI-85 HPCI-82 RS2-16"-HE 20"x16" L.O. PS2-18"-ED 2300B LEAKAGE HPCI PUMP 23A-S15 NH-36049-14 4 5 FULL OPEN (D,2) MO-2036 IS CLOSE WHEN OIL PUMP P-217 HPCI TURBINE AUX. (NOT SHOWN) HS HPCI-14 2"-223 3/4"-130 HPCI-17 LT29-3/4"-HE TEST LEAKAGE VALVE LEAKAGE VALVE TEST 2"-223 HPCI-15 TEST LT28-3/4"-HB LEAKAGE VALVE 3/4"-19M3 3/4"-19M3 HPCI-9 16"-N237 C V52-1"-HE 1/4" X-49C X-49D M-115 (D,5) V52-16"-HE 1"-972 1"-972 C122 H TRIP HPCI-13 TURBINE TW38-2"-GE HPCI-28 2"-19 HPCI-27 HPCI-78 L L (BOOSTER) C122 H C214 C214 NH-36250 HPCI-8 WATER SUPPLY COOLING HPCI-7 M-124 (C,2) C214 OR OR AND (23-1) P-209 L L C214 TEST TEST (A,4) COOLING WATER NH-36250 (OPEN) A/S ND DC M-124 (C,3) RETURN 3 TW39-2"-HE 2"-223 HPCI-20 TRIPPED HIGH LEVEL) LS-2-3-672 E&F (TRIP ON REACTOR C28-1"-HE TW38-2"-HE VALVE LEAKAGE RS2-18"-HE HPCI-24 C28-1"-HB M-131 A/S DC ND CRW YS D13-3/4"-HB 2051 HPCI-25 C (23-40) LT31-3/4"-HE HPCI-80 HE GE HE HB 2"-19 HPCI-12 D13-2"-HE HPCI-26 C HPCI-59 C120 C03 TO REACTOR RS2-16"-HE C120 PI 23-112 HPCI-60 VESSEL (MAIN) C19 Y80 CKT. 8 23A-S22 HS 23-110 E/S C120 C120 HPCI-58 HPCI-87 M-124 (B,4) NH-36250 TO PT 23-100 (C,2) FROM PS-23-84-A TURBINE TRIP (D,2) NH-36250 M-124 NH-36250 M-124 RV41-2 1/2"-HB ORW 3/4"-130 HPCI-21 RV41-1 1/2"-HE (23-39) D41-1"-HE HPCI-72 HPCI-96 D41-1"-HE HPCI-50 HPCI-49 TW38-2"-HE HS D49-3/4"-HE D50-3/4"-HE CONTROL SIGNAL OUTLET GOVERNING 1x3/4 FROM SPEED GOVERNOR D47-3/4-HE HPCI PUMP (23-2) S-201 DRIVE TURBINE D47-3/4"-ED 18" ED D48-1"-HE HE PRESSURE NH-36242 (D,6)(D,3) M-116 HPCI-94 VESSEL FROM 3/4" HPCI-86 HE FILTER D45-3/4"-ED HPCI-48 VALVE ED HE NH-36249 E 6 GRAPHIC DISPLAY 4 MO-8"-N14D (23-16) M-143 NH-36258 OR HIGH DRYWELL PRESSURE HPCI INITIATED ON LOW LOW REACTOR WATER HIGH FLOW) (CLOSE ON 5 MO-8" PS18-8"-ED BKR 4342 TO MO-2061 & MO-2062 NH-36250 (23-15) 2300A M-124 (A,3) C 23A-S2 HS SLOPE OR (E,3)(E,5) M-116 NH-36242 (OPEN) AND H A C X-11 (D,3) (B,2) NH-36250 M-124 LT30-3/4"-ED FOR STARTUP TURBINE STEAM CONNECTION TEMPORARY HEATING BKR 31205 D.C. HPCI-1 HPCI-2 3/4"-130 3/4"-130 23A-S3 HS C VALVE LIMIT FROM STOP & STEAM ADMISSION SWITCHES GRAPHIC DISPLAY 6" OIL COOLER BEARING OIL SLOPE (CLOSE) (B,2) OIL A-D H OR 7317 SY A-D H NH-36250 M-124 3 P&ID (STEAM SIDE) HIGH PRESSURE COOLANT INJECTION SYSTEM MONTICELLO NUCLEAR GENERATING PLANT NORTHERN STATES POWER COMPANY Xcel This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. 3/4 3/4 HPCI SYSTEM ELEMENTARY DIAGRAM HPCI SYSTEM FUNCTIONAL CONTROL DIAGRAM 3x2 TW39-2"-HE LUBE OIL COOLER E-206 BKR 31202 HPCI-18 2"-223 2 INITIATION OPEN ON HPCI 23-115 (A,4)(C,1) (FROM TE's FOR TURBINE LUBE OIL ALSO SEE DWG's. BLOWER K-200 BKR 31201 GLAND SEAL E-204 CONDENSER GLAND SEAL THRUST BEARING, AND PUMP BEARING (3) TEMPERATURES) BEARING OIL, L.P. BEARING OIL, COOLER OUTLET, CASING (2), H.P. HPCI-64 HPCI-63 HPCI-19 2 C120 D41-1"-HE HPCI-51 RR58-3/4" START ON HPCI INITIATION 23A-S18 HS 1" AND HPCI-57 D45-3/4"-ED PS18-8"-ED HE D44-1"-HE D43-3/4"-HE TURBINE TRIP STOP VALVE HPCI-47 ED HE ED TR C21 SLOPE HPCI SYSTEM WATER SIDE REFERENCE DRAWINGS: 1. 3. 2. OG24-3"-HC SLOPE OFF-GAS M-142 DISCHARGE) NH-36159 (STM PKG EXHR (B,6) MO-8"N14D (A,4) A/S NH-36049-14 M-131 HPCI-73 1"-CCD-GB (OPEN) 23A-S12 ND HS BKR 31206 (23-14) DC 23A-S1 HS (23-53) HPCI-4 D12-1"-EF 1"-19M3 1"-19M3 HPCI-3 1/2"-19 HPCI-90 PS18-8"-ED 8" SLOPE MONTI CAD DWG ` ' NH-36249 Energy sm 1 SCALE: NONE A M-123 85 REV W HPCI-74 1"-19 D12-1"-EF VALVE TEST LEAKAGE NX-8292-12-1 THRU 7 M-124, NH-36250 NX-8292-15-1 THRU 3 LT32-3/4"-EF LT32-3/4"-EF (23-42) HPCI-6 3/4"-130M3 3/4"-130M3 HPCI-5 HS D12-1"-HS EF A/S FULL OPEN (D,2) HPCI-29 1/2"-19M3 DC NE EF DC HS 23A-S11 NH-36049-14 (A,4) NE A/S M-131 MO-2036 IS CLOSE WHEN B NH-36033 M-102 (TO CONDENSER) MAIN STEAM DRAIN (A,6) D C STEAM LEAKAGE A-D OR CLOSE ON SI 7317 C03 H A-D H DETECTION C03 23-111 PI A-D TO TR-4926 CLEAN-UP SYSTEM REACTOR WATER 2 PS18-8"-ED C120 C120 JJP 8-27-10 BAL 8-30-10 KMF 9-2-10 16626 REVISIONS 78 DWN: CHK: APPR: EC 1 E SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A 19540 APPR: PEB 6-6-12 CHK: DWN: BAL 6-6-12 JJP 6-5-12 79 EC 23893 APPR: MLW 6-12-14 CHK: DWN: NJM 6-11-14 JJP 6-2-14 80 EC 25011 APPR: RAD 1-28-15 CHK: DWN: BAL 1-28-15 JJP 1-28-15 81 EC PAGE 3 ADDED TO.PDF DOC. 23705 APPR: TKN 5-14-15 CHK: DWN: BAL 5-8-15 JJP 5-8-15 82 EC SEE NOTE 1 NOTES: 1. HPCI-15 IS AN IN-LINE STYLE CHECK VALVE WITH A SOFT SEAT PER EC23705. 27893 APPR: BJR 5-12-17 CHK: DWN: BAL 5-12-17 JJP 5-12-17 83 EC D41-3/4"-HE 601000000148 APPR: 600000218369 CHK: DWN: 600000508605 JJP 3-15-19 84 LS 23-98/3 LS 23-98/2 LS 23-98/1 OR L H L L H L L H L LI-23-98 TO ALARM LS 23-90/3 LS 23-90/2 LS 23-90/1 OR L H L L H L L H L LI-23-90 TO ALARM PI 23-88 PT 23-89 M-128 NH-36254 (D,1) TE 23-105 TS 23-103 TS 23-104 L O C CV 2046B L O C L O C CV 2046A SV 2046A SV 2046B L O C ST 2045 MO 2036 L O C SV 2043 L O C CV 2043 M-143 NH-36258 (C,4) L O C RO 2409 HO 7 RO 2408 M-121 NH-36247 (C,2) A H RO 2050 PS 23-106 RO 2058 TX 2057 TS 23-102 SCP 7923 TS 23-101 dPS 7310 A H A PS 7311 A L TIS 7268 A H L O C C03 L O C CO3 MO 2035 MO 2034 L O C CO3 L O C C03 FE 3493 L O C RO 2410 HO 8 PI 7250 RO 2411 RO 2412 RV 2056 PI 7252 PI 23-96 PT 23-95 ST 2052 PCV 3492 PS 23-97B PS 23-97A A H PS 23-68C PS 23-68A dPIS 23-76B PS 23-68D PS 23-68B XFV-85 PSD 2038 PSD 2039 PS 23-86 RO 2040 A H dPIS 23-76A XFV-84 SE 7923 LS 7313 LS 7314 RO 2060 A H CV 2394A L O C L O C L O C CV 2394B SV 2394B L O C TX 2059 SV 2394A APPR: 600000686596 CHK: DWN: 600000677406 JJP 2-19-20 85 601000001601 ADDT'L. 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MO-14"-N29AB (23-57) 23-81 TW1-14"-HE X-9A REACTOR CLEAN-UP SUPPRESSION POOL A X-204A-D X-225 6 X-320A-D RINGHEADER X-206B NH-36250 REACTOR VESSEL B C M-120 M-122 (C,4) (C,5) NH-36248 NH-36246 D E TW9-2 1/2"-HE TW24-12"-HE FW2B-14"-ED X-210A TW8-8"-HE X-206A (D,7) M-128 NH-36254 (2-1) R-200 6 HPCI-56 3/4"-130 HPCI-54 HS M-105 NH-36036(A,5) HPCI-100 3/4"-130 L.O. LT14-3/4"-HE 23A-S14 1/8 ORIFICE OR AND MO-2062 OPEN MO-2061 MO-14"-N29AB 5 A H C BKR. 31207 C O L FUEL POOL COOLING AND CLEAN-UP SYSTEM (CLOSE) MO-12"-NSp14DU LT13-3/4"-ED LEAKAGE M-122 NH-36248 (B,4) TW3-12"-ED REW6-3"-ED M-115 FEEDWATER (A,5) NH-36241 TW4-4"-HE 3/4"-130 HPCI-40 HPCI-41 3/4"-130 31211 BKR. O C L (23-19) D.C. SC16-8"-ED HPCI-55 3/4"-130 HPCI-95 23A-S6 D201-3/4"-ED TW50-3/4 VALVE TEST TW50-1/2 HPCI-106 HPCI-107 23-117 PI HPCI-108 HPCI ISOLATION HPCI INITIATION NOTE 1 HPCI-104 HB ED HPCI-105 HPCI-103 1/2" HPCI-102 3/4" HPCI-109 HPCI-101 HS FPW13-6"-HB TEST LINE M-126 RCIC NH-36252 (E,5) M-108 (B,2) NH-36039 5 FW8-4"-HB HPCI-43 8"-237 HB ED SC16-8"-HB MO-8"-29 HPCI-81 14"-N237AB HPCI-31 VALVE TEST LEAKAGE D.C. (23-58) (CLOSE) HPCI-30 3/4"-130 4 (CLOSE) BKR. 31208 L C O D.C. 23A-S13 HS C03 C120 MLS 23A-S8 AI-248 HS 3503 L 23-119 CONTROL LOGIC TO TURBINE C03 FY HPCI-53 (23-20) 23A-S7 31210 BKR. HS D.C. HPCI-52 O C L C Y80 CKT 3 23-108 FIC 4"-N237AB HPCI-42 C03 INITIATION) (CLOSE ON HPCI C120 E/P 3503 NH-36049-14 (A,6) A/S M-131 BKR. 31212 L C O O SC16-10"-HB T-71 Y80, CKT. 8 M-123 NH-36249 23-108 FI FROM (D,4) 23A-S10 HS (OPEN) A L C TW4-4"-ED ED HE PI AI-247 C120 L C O D.C. N.E. (A,3) (CV-3503 AND MO-2071 AND MO-2062 (A,3) FROM POS ON MO-2061 WHEN EITHER MO-2061 OR MO-2062 ARE FULLY OPEN) A/S M-131 NH-36049-14 RECEIVE A CLOSE SIGNAL, ACCUMULATOR 4 AI-611 3/4"-163 HPCI SYSTEM ELEMENTARY DIAGRAM HPCI SYSTEM FUNCTIONAL CONTROL DIAGRAM HPCI SYSTEM STEAM SIDE REFERENCE DRAWINGS: (MAIN) This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. MONTICELLO NUCLEAR GENERATING PLANT (MO-2063 RECEIVES A CLOSE SIGNAL, WHEN FROM POS ON MO-2061 AND MO-2062 (A,3) BOTH MO-2061 AND MO-2062 ARE FULLY OPEN) V93-3/4"-ED OPEN MO-2061 AND MO-2062 (A,3) NOTES: 1. SOLENOID VALVE SV-2069, ACTUATOR, LIMIT SWITCHES AND AIR LINES ASSOCIATED WITH VALVE AO-23-18 HAVE BEEN ABANDONED IN PLACE; REFERENCE EC21396. 2. HPCI-43 DISC TRIM IS STELLITE 21, REFERENCE EC23281. FROM dPIS 23-76 (VALVE CLOSURE ON HPCI STEAM LINE BREAK) M-123 NH-36249 (D,5) 1"-19 HPCI-46 M-108 NH-36039 (C,4)(C,3) L 3/4"-130 HPCI-61 2417 (OPEN ON CNDS STG TANK LOW LEVEL) FROM LS-23-74 AND LS-23-75 (E,2) TO MO-2063 (E,3), MO-2071 (D,4) AND CV-3503 (D,4) 3 3/4"-130 COOLING WATER ORW HPCI-44 HPCI-32 14"-N237AB 23-83 23-109 C03 PT PI TW4-4"-ED (23-41) 2" C120 TW1-14"-HE HE HB 3/4"-130 TW39-2"-HE VENT DRAIN (D,4) D139-1"-HC A THRU D FROM PS 23-68 NH-36249 M-123 (A,3) NH-36249 RETURN V94-3/4"-HC M-123 VENT 1"-19 HPCI-35 CRW 3/4"-130 HPCI-79 3/4"-130 HPCI-88 3/4"-130 HPCI-89 HPCI-62 2416 MO-14"-N29AB 31209 BKR. NH-36039 C16-14"-HE L CONDENSATE STORAGE TANK M-108 11 T-1A 3 (A,4) HPCI-33 14"-N29AB (23-17) D.C. MO 2063 O C L.O. PX LS 23-74 2 12 CONDENSATE STORAGE TANK T-1B TW3-12"-ED ORW ORW (OPEN ON HPCI INITIATION) 23-84B 23-84A VENT 23-99 COOLING M-123 FROM TS 23-101 THRU 23-104 D140-1"-HC NH-36249 NH-36249 M-123 WATER CRW (C,4) 10" PX TW1-14"-HE C120 C120 C120 TW38-2"-GE (E,3) 23-100 P-209 (23-1) 3/4"-130 HPCI PUMP V92-3/4"-HC HPCI-34 PS PS PI L A A H C 23A-S4 HS 1" A 23-75 LS OR L M-126 RV66-1"-HB (A,3) NH-36252 C120 L PT OR FROM E/S 23-110 M-123 (D,4) NH-36249 CRW HPCI-39 HPCI-38 D141-1"-ED 1"-19 1"-19 23-116 TURBINE TRIP NH-36249 (D,4) M-123 HPCI C 1"-19 HPCI-45 D142-1"-ED ORW NH-36252 C03 PI 2 M-126 (A,3) NH-36250 MONTI CAD DWG ` ' M-124 REV SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A P&ID (WATER SIDE) HIGH PRESSURE COOLANT INJECTION SYSTEM M-123, NH-36249 729E816 729E232 NORTHERN STATES POWER COMPANY Energy Xcel sm 1 SCALE: NONE COLOR LEGEND QUALITY GROUP D STEAM SUPPLY DRIVE TURBINE HPCI PUMP 8" 3/4"-130 3/4"-130 VENT HPCI-36 HPCI-37 (C,3) EXHAUST STEAM S-201 M-123 NH-36249 APPR: 77 CHK: APPR: DWN: DWN: 78 DWN: CHK: 76 APPR: APPR: CHK: DWN: 79 APPR: CHK: DWN: 80 APPR: CHK: DWN: 81 CHK: 1 JJP 8-20-10 STL 2-28-12 PEB 2-28-12 JJP 2-28-12 KMF 8-27-10 14179 BAL 4-5-11 JJP 4-5-11 KMF 4-7-11 16751 21396 WMS 4-30-13 PEB 4-29-13 JJP 4-29-13 BAL 8-27-10 EC EC EC DJP 4-14-07 11951 BJR 3-11-08 RMG 3-12-08 JJP 3-5-08 01121715 16624 JJP 4-14-07 MGH 4-14-07 REVISIONS A/R EC EC EC 811 87 Q A B C D E 20039 APPR: DJ 5-21-13 CHK: DWN: PEB 5-21-13 JJP 5-21-13 82 EC TDR N A D (OPEN) 25011 APPR: RAD 1-28-15 CHK: DWN: BAL 1-28-15 JJP 1-28-15 83 EC PAGE 3 ADDED TO.PDF DOC. 23281 APPR: TKN 4-14-17 CHK: DWN: BAL 4-14-17 JJP 4-10-17 84 EC NOTE 2 26208 APPR: WMS 5-3-17 CHK: DWN: AJR 5-2-17 JJP 4-27-17 85 EC AT 001 ED V134-1/2" HPCI-110 HPCI-111 V135-1/2" HPCI-112 HPCI-113 AT 002 ED HPCI-114 HPCI-115 AT 003 ORW V134-1/2" V136-1/2" V134-2"-ED V136-2"-ED V135-2"-ED 3/4" 3/4" 3/4" 601000000410 APPR: DAM 1-24-18 CHK: DWN: BAL 1-24-18 JJP 1-24-18 86 MO 2068 AO 23-18 MO 2067 RO 2908 RO 2066 MO 2061 MO 2062 LS 23-91B LS 23-91A FS 23-78 FE 23-80 FT 23-82 F HPC100 TI 23-87 CV 2065 SV 2065 MO 2071 CV 3503 RV 2064 APPR: 600000686596 CHK: DWN: 600000677406 JJP 2-19-20 87 601000001601 ADDT'L. 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E-205 MISC TURBINE INSTRUMENTATION C04 TURBINE TRIPPED LUBE OIL COOLER D15-3"-HE 3"-N29 RCIC-12 4263 RO TO PT 13-60 TO PT 13-65 3" STEAM CONNECTION TEMPORARY HEATING OG21-2"-HE NH-36252 NH-36252 FW9-2"-ED (13-13) HB TEST LEAK VALVE OG21-2"-HE ORW 2849 SV A 6 SUPPRESSION POOL X-219 RCIC-55 1 1/2"-130 V51A-1 1/2"-HE B (D,7) RCIC-61 1 1/2"-130 RCIC-57 RCIC-59 LT21B-3/4"-HB LT21C-3/4"-HB LT21A-3/4"-HB X-212 X-223 CRW RCIC-70 RCIC-60 3/4"-130 3/4"-130 RCIC-56 3/4"-130 RCIC-58 NH-36049-14 A/S M-131 DC ND RS3-8"-HE RCIC-72 5 TEST LEAK VALVE RCIC-19 3/4"-130 RCIC-54 LT21-3/4"-HE 4 C25-2"-HE ED HE H (D,7) L O C C03 RCIC-16 2"-19 RCIC-18 RCIC-66 RCIC-17 2"-223 RCIC-15 3/4"-130 L O C C04 C25-1"-HE HE L O C C03 (13-12) LT22-3/4"-HE 2"-223 L O C C04 RCIC-63 13A-S12 NH-36049-14 A/S M-131 MO-2078 BEGINS TO OPEN (D,2) DC ND RCIC-11-2 CLOSE WHEN 3/4"-19 RCIC-11-1 3/4"-130 HS C04 VAC BRKR RCIC-62 A C04 C128 MO-2"-110 MO-2078 (D,2) RCIC-96 RCIC-97 VESSEL LOW LEVEL BKR 31107 (13-132) D.C. MO 2096 ORW VESSEL HIGH LEVEL CLOSE ON REACTOR OPEN ON REACTOR 13A-S8 HS C RCIC-94 RCIC-95 TURBINE TRIP C128 RCIC-26 3/4"-19 RCIC-23 RCIC-24 3/4"-19 D15-1"-HE LT23-3/4"-HE TAPS ELBOW C D RCIC-73 RCIC-71 RCIC-10 REACTOR VESSEL (2-1) R-200 PS3 NH-36251 E 6 RCIC CONDENSATE M-126 RETURN C215 C215 NH-36252 V51-1"-HE V51-8"-HE 8"-N237 RCIC-9 1/4" MAIN STEAM NH-36241 (D,2) M-115 C128 A C04 H 2"-223 C RCIC-14 (C,4) 1"-972 1"-972 MO-3"-N14 XFV-86 XFV-87 1300B X-49A 3/4"-19M3 1300A X-49B 13-83 dPIS C122 H OR 13-84 dPIS C122 H HIGH FLOW) (CLOSE ON C21 L L FW5-4"-ED FW5-4"-ED NH-36252 RS3-8"-HE M-126 WATER SUPPLY RCIC COOLING STORAGE TANK FROM CONDENSATE C17-6"-HE PI 13-95 NH-36252 (B,3) C04 (B,2) C128 TO REACTOR M-126 13-92 E/S C128 (C,2) M-126 (A,3) RCIC-2 3/4"-130 RCIC-1 3/4"-130 13-87C PS 13-87A PS AND 13-87B PS 13-87D PS L OR C215 L C215 OR LEAK TEST VALVE OIL PRESSURE M-126 LT19-3/4"-ED BEARING TURBINE 7318 PS 4 LS C04 L A A (OPEN ON PS17-3"-ED BKR 3340 (13-15) 2075 MO L C C04 O 13A-S1 C04 HS C GRAPHIC DISPLAY L C C03 O H C04 A C LOW LEVEL) REACTOR VESSEL NH-36242 M-116 (C,6)&(C,2) 5 X-10 (13-16) MO-3"-N14 (CLOSE) C03 BKR 31104 D.C. C04 L C O C GRAPHIC DISPLAY L C O 13A-S3 HS C04 4 1"-19M3 3/4"-130M3 RCIC SYSTEM PROCESS FLOW DIAGRAM RCIC SYSTEM FUNCTIONAL CONTROL DIAGRAM RCIC SYSTEM WATER SIDE REFERENCE DRAWINGS: LT20-3/4"-EF BKR 31106 (13-32) 3/4"-130M3 RCIC-6 RCIC-5 D14-1"-EF 1 1/4" 3 RCIC-99 CONDENSATE PUMP C04 13A-S14 HS P-210 2 C04 BKR 31101 DC 13A-S15 OG22-1 1/2"-HE 1 1/4" P-211 VACUUM PUMP C24-3"-HE BKR 31102 DC OG20-3"-HE HS BAROMETRIC CONDENSER D49-1"-HE 1"-19 RCIC-27 RCIC-98 RV61-1"-HE 6082 YS D15-3/4"-HE C04 C04 FW9-2"-HE A H C H A E-203 RCIC-21 RCIC-22 YS 4262 RCIC-20 1"-19 D40-1"-HE 2086 RO HE ED D37-1"-HE M-102 1"-19 RCIC-65 TANK VACUUM NH-36033 (A,6) 20 TEST HS EF VALVE LEAK (D,7) NH-36049-14 M-131 A/S STEAM DRAIN CONDENSER) (TO MAIN D14-1 1/2"-HS L O C C03 D14-1"-HS (13-35) L O C C04 (13-34) A/S M-131 NH-36049-14 (D,7) 13A-S11 MO-2078 BEGINS DC NE C04 HS TO OPEN (D,2) CLOSE WHEN DC NE 1 M-126, NH-36252 729E242 729E951 A L O C C04 L O C C03 D14-1"-EF B PS17-3"-ED NH-36049-14 13-68 PT TURBINE TRIP CLOSE ON D38-3/4"-ED GOVERNING D38-1"-HE RCIC-46 (13-2) D39-1"-HE 8" RCIC-45 3/4" RCIC PUMP S-200 DRIVE TURBINE D38-3/4"-ED RO 2085 VALVE OIL PRESSURE FROM GOVERNOR CONTROL SIGNAL 7319 LP BEARING OIL TEMP 7320 HP BEARING OIL TEMP TIS A H C04 TIS H C04 A C04 C296 TRIP C04 C C L O L O C O L MECHANICAL TURBINE BEARING 7403 PI OVERSPEED 5 LS C04 LOCAL C L O C C296 O L MATCH VENDOR'S VALVE 2"-900# R.F. FLANGE TO MO-3"-N123 2079 SV ND (OPEN) C04 13A-S13 HS (D,6) A/S M-131 (13-131) D.C. BKR 31106 (B,5)(C,2) BKR 31103 2" D.C. THROTTLE VALVE TRIP 13A-S23 HS C04 VESSEL HIGH LEVEL 13A-S2 C04 HS PS17-3"-ED VESSEL LOW LEVEL OPEN ON REACTOR CLOSE ON REACTOR C04 13-94 PI FOR STARTUP SLOPE (CLOSE) A-D H 13-79 TS H 13-80 TS A-D OR AND 3 MONITORING STEAM LINE AREA 13-82 H A-D 13-81 TS TS OR H A-D 13-77 TE A-D CLEAN-UP SYSTEM REACTOR WATER TO TR-4926 NH-36254 (C,2) M-128 2 C A 3" 1/2"-19M3 RCIC-28 RCIC-47 RCIC-64 1"-19M3 RCIC-3 1"-CCD-GB RCIC-4 3/4" 3/4" D14-1"-ED D14-1"-EF RCIC-100 1/2"-19 REGULATOR FISCHR TO TURBINE PS22-3/4"-ED C04 SLOPE C128 13-69 PI C128 3/4"-130 RCIC-29 H C D REVISIONS 1 E TURBINE SPEED SE 7925 7925 SCP 7321 SY C04 9957 A/R APPR: MH 2-26-07 CHK: DWN: BAL 2-6-07 JJP 2-5-07 76 EC 01054616 M-126 (D,4) NH-36252 TO CV-2104 TO CV-2104 NH-36252 (D,4) M-126 834 APPR: RES 8-14-07 CHK: DWN: BAL 8-14-07 JJP 8-14-07 77 EC C04 7321 SI CHK: APPR: BJR 3-11-08 RMG 3-12-08 DWN: 78 JJP 3-5-08 11951 01121715 A/R EC SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A 23893 APPR: MLW 6-12-14 CHK: DWN: NJM 6-11-14 JJP 6-2-14 79 EC NH-36251 MONTI CAD DWG ` ' This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. SCALE: NONE M-125 Y Xcel NORTHERN STATES POWER COMPANY MONTICELLO NUCLEAR GENERATING PLANT Energy sm P&ID RCIC (STEAM SIDE) REV 81 25011 APPR: RAD 1-28-15 CHK: DWN: BAL 1-28-15 JJP 1-28-15 80 EC PAGE 3 ADDED TO.PDF DOC. 2076 MO 13-74 LS 2081 ST 2079 CV 2082B SV 2082A SV 2082A CV 2082B CV PI TI 2078 MO 2080 MO 8 HO 13-71 PI 13-70 PT 2098 TX 2099 PX 7323 LS 7322 PS PCV 2097 RV 2095 PX 2094 RO 2092 PCV 6008 PI 4283 SV 13-72B PS 13-72A PS 2848 SV 2848 CV 2849 CV 2089 PSD 2090 PSD 13-78 PS 2091 RO APPR: 600000686596 CHK: DWN: 600000677406 JJP 2-19-20 81 601000001601 ADDT'L. PAGE ADDED TO.PDF DOC.

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

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

MONTICELLO NUCLEAR GENERATING PLANT Xcel

1 "-HC RT36B-3"-HC RT37A-3"-HE SC12A-3"-ED (CV-4B) CONDENSATE CV 12-4-15B FR 12-4-97B 1/2" ED RV60-1"-HC NH-36049-16 SINK DE LAVAL IDENTIFICATION (TYPICAL) LS 12-4-80 HS 4134 RC-82-1 D202-1"-EF RC-81-1 dPIS 12-4-72A YS 12-4-54A C RWC105 NH-36255 M-131 NH-36049-16 (B,7) INSTRUMENT AIR NH-36045 PRECOAT RETURN LINE FROM FUEL POOL A B C D E HB 12-141A FI NH-36049-16 INSTRUMENT 12-4-50 RC-62 2"- 1/2"-19 CST-35 (B,6) 1"- RC-64 RC-63 FROM V-AC-21 NH-36261 M-149 CONDENSATE NH-85509-2 (A,6) (B,5) M-139 2" M-114-2 SERVICE (B,6) 6 ORW 12-4-11 D179-4"-HC NH-85509-2 M-114-2 CONDENSATE SERVICE 1"- CST-81 12-4-48 SERVICE CONDENSATE M-114-1 NH-85509 M-131 NH-36049-16 (C,4) INSTRUMENT SV 12-4-54A 12-4-54A C82 HS AIR (D,7) 2"-19 (300 GAL.) T-203 (12-4-6) CLEAN-UP PRECOAT TANK 12-4-12 CST-40 1/2"-130 

"-HB RC-61 3"-
  • D176-2"-HC 12-4-47 1"

AO 2"-HC 3425 FG PX 2892 PX 2893 3418 PX RT35-3"-HC S-202 (12-4-8) 12-4-47 C82 RC-92 4135 AO 12-4-62A AO 12-4-54A 12-4-46 RC-65 1/4"- 1"-HB A L C82 M-131 AIR (C,7) 12-4-88 RT36-3"-HC FG RC-80 C82 L 12-4-62A 12-4-62A SV HS SC19A-3/4"-HB L HE EF C RTA38A-3/4"-EF O O C RC-43-1 (CV-4A) CV 12-4-15A FR 12-4-97A 3"- 12-4-17A SV 12-4-15A RWC100 PROGRAMMER HS 12-4-15A PCV 12-4-15A F C82 M-128 NH-36254 (B,5) HEAT EXCHANGER TO REGENERATIVE FC 12-4-97A P/E 12-4-77A C82 PP REW4A-3"EF REW4B-3"EF TIMER C82 6 FE 12-4-74A FT 12-4-75A 3/4"- RC-56-1 12-4-63A FS 12-4-81A C82 L O C C82 PI 12-4-73A EF RC-55-1 3/4"-

  • A H

C82 AO 12-4-14A CONDENSATE F.C. 1"-HC 12-4-24A PCV 12-4-118 dPT 12-4-69A RC-70-1 3/4"-130M3 dPIS 12-4-94A PI 12-4-78A RV 12-4-36 SV 3488 (CV-51A) RT36A-3"-EF AO 12-4-37A 12-4-61 TO WASTE PRECOAT TANK M-139 NH-36045 (B,5) BLDG 3"-237 REACTOR RADWASTE PROGRAMMER TIMER 12-4-89 PRECOAT PUMP CLEAN-UP (12-4-7) P-206 A L C82 A H C82 

" SS TBG 4134 ORW ORW PI C82 1"-19 5

ORW 3"- 12-4-52 RC-59 RT35-3"-HC BLDG CH14-2"-HC PROGRAMMER CLEAN-UP (12-4-2A) HOLDING PUMP P-205A 3/4"-130 RC-84 12-4-41A 85 GPM MILLIPORE FILTER 12-4-56 (CV-52A) AO 12-4-32A RC-47-1 PX 2888 ORW PX 2889 1"-19M3 1"-19M3 3"- 3205 11 12-4-40A RC-53-1 AO 3488 RV59-"-HC RC-60 F.C. HC RT35A-3"-HC F.C. ED V43-"-HC ORW 3"- 12-4-33A RC-48-1 PI 12-4-79A 2"- TIMER C82 F.O. 2"- 

"-HE 1/2"-130 D177-1"-HC D178-1"-HC SEAL LEAKAGE ORW 2"-

RC-57 NH-36039 RC-66 3/8" DEMIN M-108 (E,4) ED (CV-53A) 12-4-39A RC-54-1 12-4-38A ED EF 3"- F.C. EF AO ED 2" HC REW4A-3"-ED 

"-ED (CV-7A)

REW4A-3"-ED RV57-1"-ED ORW RV TO PUMPS & SOLENOIDS M-139 NH-36045 (B,3) C82 CE 12-103A 12-129A CIT RC-42-1 12-4-26A 3"- REW12A-3"-EF C217 3026 SX C217 V41-"-EF REW4A-3"-EF ORW 3205 HS 3114 CI PROGRAMMER SIGNALS 5 C82 C82 RC-71-1 3/4"-130M3 A H C82 C82 PANEL LOCAL C82 dPS 12-4-82A (12-4-98) A CLEAN-UP F/D FAILURE C04 12-141B FI V55B-1"-ED 4139 12-4-30A F.C. (12-4-115) CLEAN-UP RESIN FEED TANK T-205 1"- 12-4-126 DM-261 PI 12-4-123 CST-144 

"-HC
"-HC 4

PI 12-4-124 12-4-22A RC-50-1 RC-88-1 12-4-13A (CV-3A) AO 12-4-20A RC-41-1 3"- 1/2"- ED HE EF ED RT37A-3"-HE 3"- HE ED V55A-1"-HC HC HC AO 12-4-120 (CV-10) EDUCTOR (12-4-117) S-203 (12-4-116) PI 12-4-125 RC-67 1 1/2"-19 RV60-1/2"-HC REW4A-3"-ED (CV-9A) AO 12-4-34A 12-4-87A FG RC-44-1 1"-* 12-4-35 ORW RV NH-85509 M-131 (C,7) NH-36049-16 INSTRUMENT SV 12-4-54B 12-4-54B C82 HS AIR M-114-1 SERVICE (C,4) 12-133 V54-1"-HC FG 12-4-71B SA5-1"-JB A C82 A H C04 12-4-28A (CV-14A) AO 12-4-42A RC-49-1 (CV-8A) FROM CR-12-144 11 (12-4-1A) CLEAN-UP FILTER/DEMIN T-202A 1"- NH-36254 M-128 JB EF F.C. (A,3) C AO 12-4-18A F.C. EF HC A C82 4 SV 12-4-15B RWC101 F PROGRAMMER HS 12-4-15B PCV M-131 NH-36049-16 12-4-15B (D,7) C82 CR C04 FC 12-4-97B P/E 12-4-77B C82 PP 12-129B 3113 TIMER C82 CI C82 C RWC106 CIT 217 INTERNALS REMOVED FROM PCV-12-4-66 UNDER WRA 77-0998. NOT ALL AO VALVES ARE EQUIPPED WITH PCV AND FLOW CONTROL VALVES. SEE AO VALVE TABLE. AO-12-4-44B AO-12-4-47 AO-12-4-120 AO-12-4-121 AO-12-4-41A AO-12-4-41B AO-12-4-42A AO-12-4-42B AO-12-4-44A AO-12-4-20A AO-12-4-20B AO-12-4-34A AO-12-4-34B AO-12-4-37A AO-12-4-37B AO-12-4-14A AO-12-4-14B AO-12-4-18A AO-12-4-18B VALVE NO. 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 AS-47 RV72-1"-HCD LOKRING APPROVED FOR USE ON SENSING LINE EC22026. HS HS-12-4-39B HS-12-4-39A/ RT36B-3"-EF TYPICAL FOR AO-12-4-39A AND AO-12-4-39B PI 12-4-78B HB SC19B-3/4"-HB REW4B-3"-ED 1"-19M3 1"-19M3 RC-82-2 D203-1"-EF RC-81-2 3 AO 12-4-121 (CV-11) ORW 12-4-68 PI M-128 RECIRC. PUMPS FROM CLEAN UP (A,5) NH-36254 RT35B-3"-HC AO 12-4-62B AO 12-4-54B A L C82 INSTRUMENT M-131 AIR (C,7) AO 12-4-39B HC 1/2" ED (CV-53B) F.C. ED C82 L 12-4-62B SV 12-4-62B HS 

"-HE L

HE EF C RT38B-3/4"-EF O O C AO-12-4-39B INSTRUMENT NH-36049-16 AO-12-4-39A/ L O C C82 AO (B,7) SV-12-4-39B SV-12-4-39A/ PCV-12-4-39B PCV-12-4-39A/ M-131 AIR PCV ED PP HB SV PROGRAMMER HOLDING PUMP TIMER (12-4-2B) 85 GPM P-205B (CV-52B) AO 12-4-41B 12-4-32B RC-47-2 ORW CLEAN-UP PX 2890 PX 2891 3"- 2205 12 RC-53-2 12-4-40B RC-54-2 AO 12-4-44A HC F.C. F.C. 3"- ED 12-4-38B (CV-6A) 3"- 12-4-33B PI 12-4-79B AO 12-4-37B 2"- RC-48-2 C82 F.O. 2"- (CV-51B) 3 YS 12-4-54B dPIS 12-4-72B C217 FE 12-4-74B FT 12-4-75B 12-4-63B RC-56-2 3/4"- 3"- 12-4-17B RC-43-2 FS 12-4-81B C82 L O C C82 12-103B 3027 SX PI 12-4-73B RC-55-2 3/4"-

  • EF A

H C82 C217 CE HS 2205 12-4-26B RC-42-2 3"- REW12B-3"-EF C82 V42-"-EF REW4B-3"-EF ORW V55B-1"-ED dPT 12-4-69B RC-70-2 3/4"-130M3 dPIS 12-4-94B 12-4-14B (CV-7B) SC12-3"-HB PCV-12-FU53A/ PCV-12-FU53B C82 (BACK) AI-454-1-2/ AI-454-1-3 C82 (FRONT) PCV-12-F53A/ PCV-12-F53B SV-12-FU-53B 3"- 12-4-45 SV-12-FU-53A/ PROGRAMMER PROGRAMMER TIMER SV-12-F53B SV-12-F53A/ C82 SV HB ED TIMER C82 SV PCV PCV ED RC-58 RC-88-2 

"-ED (CV-6B) 12-4-44B F.C.

AO ED EF SC12B-3"-ED 1/2"- 2" EF RC-41-2 12-4-13B 3"- NOTE 3 SEE F.C. 12-4-70 PI AO

  • REW4B-3"-ED RV58-1"-ED ORW 12-4-24B 1"-HC RV M-108 NH-36039 (C,6)

FROM BACKWASH CONDENSATE 2. 1. 3. 2 C82 A/S NOTE: 3"- RC-50-2 12-4-22B RT37-3"-HE CST-117 SEE NOTE 1. DELAVAL IDENTIFICATION AO 12-4-20B (CV-3B) (TYPICAL) 12-4-66 PCV HE ED EF ED RT37B-3"-HE F.C. HE HC HC 1"-HC ED 12-4-28B C82 dPS 12-4-82B C82 A H C82 RC-71-2 3/4"-130M3 ORW 1 1/2" RV 3383 1" 12-4-86 12-4-42B (CV-14B) RC-49-2 (CV-8B) AS-24 12 (12-4-1B) CLEAN-UP FILTER/DEMIN T-202B 1"-* SA5-1"-EF 1"- 12-4-43 JB EF F.C. AO 12-4-18B F.C. EF HC 12-4-55 FILTER AO PI V54B-1"-HC 2 JCG 4-29-13 PEB 4-29-13 NH-36255 MONTI CAD DWG ` ' M-129 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 TYPICAL FOR AO VALVES LISTED IN AO VALVE TABLE UNIT 1 REACTOR WATER CLEAN-UP FILTER/DEMINERALIZER SYSTEM P&ID HS-12-4-44B HS-12-4-47 HS-12-4-120 HS-12-4-121 HS-12-4-42A HS-12-4-42B HS-12-4-44A NORTHERN STATES POWER COMPANY Energy Xcel SV-12-4-44A SV-12-4-44B SV-12-4-47 SV-12-4-120 SV-12-4-121 SV-12-4-42A SV-12-4-42B sm PCV-12-4-44A PCV-12-4-44B PCV-12-4-47 PCV-12-4-42A PCV-12-4-42B NO PCV NO PCV HS-12-4-18A HS-12-4-41A HS-12-4-41B HS-12-4-20A HS-12-4-20B HS-12-4-34A HS-12-4-34B HS-12-4-37A HS-12-4-37B HS-12-4-18B HANDSWITCH HS-12-4-14A HS-12-4-14B RT37-3"-HE SV-12-4-14B SV-12-4-18A SV-12-4-41A SV-12-4-20A SV-12-4-20B SV-12-4-34A SV-12-4-34B SV-12-4-37A SV-12-4-37B SV-12-4-18B SV-12-4-41B SOLENOID VALVE NO. SV-12-4-14A 12-4-30B RC-44-2 1"- FG 12-4-87B (CV-9B) AO 12-4-34B F.C. PHASE SEPARATORS M-141 TO CLEAN-UP (E,2) AO VALVE TABLE NH-36047-1 PCV-12-4-14B PCV-12-4-18A PCV-12-4-41A PCV-12-4-34A PCV-12-4-34B PCV-12-4-37A PCV-12-4-37B PCV-12-4-18B PCV-12-4-41B PCV-12-4-14A NO. NO PCV NO PCV PCV NO. NONE NONE NONE YES YES NONE NONE SCALE: 1 NONE B,7 D,1 D,2 B,7 C,1 B,7 D,7 NONE NONE NONE NONE NONE NONE NONE COLOR LEGEND QUALITY GROUP D NONE YES YES NONE NONE NONE NONE NONE NONE NONE CONTROL VLV INST AIR FLOW NONE NONE EXH C,7 B,6 D,7 C,7 B,7 C,7 C,7 B,7 C,7 D,7 B,7 B,6 AIR ISOL VALVE REF DRWG. COORD YES YES NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE INLET AO SV SV PCV PROGRAMMER FROM SERVICE AIR PI INSTRUMENT NH-36049-16 1"-HC PHASE SEPARATORS 12-4-71B L O C C82 FG M-131 AIR AO SA5-1"-JB V54-1"-HC 3111 RV C82 (NOTE 2) HS

  • TO CLEAN-UP (E,2)

M-141 NH-36047-1 M-131 NH-36049-4 (A,5) ORW APPR: DWN: CHK: APPR: CHK: DWN: CHK: APPR: APPR: CHK: DWN: APPR: CHK: DWN: DWN: APPR: CHK: DWN: C82 TIMER 82 81 80 79 77 78 20192 KMF 2-19-10 BAL 2-18-10 JJP 2-16-10 15602 JIH 9-14-12 BAL 9-14-12 JJP 9-13-12 22026 JJP 4-29-13 EC EC EC 11100 MM 7-13-07 JJP 7-13-07 BAL 7-13-07 JJP 3-5-08 BJR 3-11-08 RMG 3-12-08 BAL 12-9-09 JJP 12-8-09 KEC 12-9-09 11951 01121715 A/R 9655 EC EC EC 1 REVISIONS A 86 P B C D E 19336 APPR: ERN 5-10-13 CHK: DWN: BAL 5-7-13 JJP 5-6-13 83 EC 25356 APPR: AJW 3-16-15 CHK: DWN: BAL 3-16-15 JJP 3-12-15 84 EC 25812 APPR: AJW 4-7-16 CHK: DWN: BAL 4-6-16 JJP 4-5-16 85 EC 24512 APPR: SJH 5-18-17 CHK: DWN: BAL 5-18-17 JJP 5-18-17 86 EC 86

L.O. PC-19-2 1" HK FROM P-7A & B RECIRC (B,5) ADJUSTABLE WEIR FPW17B-3"-MR 1"-130 4"-29 PC-31 1"-130 FPW3-4"-HC C66 CRW C66 CRW PC-26 8"-142 PS 2770 A 6 1" HC STRAINER PC-45-2 PX 3042 6"-29 PC-3-2 FPW1B-6"-HC L ORW PUMP P-7B ORW PC-46-2 1"-19 12 450 GPM COOLING WATER PI 7981 FUEL POOL 4302 B L PI 7980 HS 42-4302/CS-1 STRAINER 1"-HC PC-45-1 PX 3040 PUMP TRIP LS-2786B FPW1B-6"-HC (D,3) FROM TRIP L C66 PC-3-1 6"-29 FPW1A-6"-HC PUMP P-7A HS 42-4302/CS-2 ORW C66 1"-19 PC-46-1 L C65 L C88 C88 11 450 GPM COOLING WATER ORW FUEL POOL 3302 HS 42-3302/CS-1 TE 2781A PUMP TRIP LS-2786A (D,3) FROM PS 2769 TRIP L C66 (C,2) TO TR-23-115 NH-36247 M-121 HS 42-3302/CS-2 8"-237 PC-25 C66 L C65 L C88 C88 M-111 3/4"-130 PC-7-2 CW5-6"-HF TOP HEAT EXCHANGER PC-9-2 1"-19 TYP FOR 6 FUEL POOL HEAT EXCHANGER E-6B 5 4"-29 PC-5-2 FPW8B-4"-HC PC-4-2 4"-237 PX 2778 TI 2780 ORW CRW PX 2776 RV 1413 ORW 2" VENT ORW 4 NH-36042 A-D TYP FOR 4 FPW9B-4"-HC CRW A-F PC-12-2 4"-29 PC-11-2 1"-19 ORW VENT 12 3/4"-130 PC-8-2 TYP FOR 6 A-F 3/4"-130 TYP FOR 3 PC-10-2 A-C (C,6) PC-48 BOTTOM HEAT EXCHANGER TYP FOR 6 1"-19 PC-9-1 EXCHANGER E-6A FUEL POOL HEAT 4"-HC DRYWELL ORW FPW8A-4"-HC 3/4"-130 3/4"-130 PC-52-2 PC-6 4"-29 PC-52-1 "-HK ANNUNCIATOR (A,3) L C65 PS 2774 PI 2772 C66 L TO PC-47-2 HC (D,3) 10A-6"-HK TO FPW PC-4-1 4"-237 HC 1"HK PX 2777 4"-29 V40-3/4"-HC CRW ORW PX 2775 FPW8-4"-HC 2" VENT PC-5-1 4"-29 (A,3) ANNUNCIATOR L C65 C66 PS 2773 PI 2771 L TO PC-27 8"-237 PC-47-1 3/4"-130 ORW FPW4-2"-HC 2"-19 PC-28 DRYWELL CRW 4"-29 PC-7-1 FPW1-8"-HC V39-3/4"-HC ORW FPW11-6"-HK LI 2788 2" 1"-19 PC-49 CRW (C,6) PC-21 HK REACTOR BLDG CLOSED COOLING A-D TYP FOR 4 FPW9A-4"-HC 4"-29 CRW CW2-6"-HF PC-12-1 A-F 1"-19 ORW WATER PC-11-1 VENT 11 PC-8-1 TYP FOR 6 3/4"-130 A-F TYP FOR 3 3/4"-130 PC-10-1 A-C TE 2781B FI 2830 FPW9-6"-HC HC HC (C,2) NH-36247 TO TR-23-115 M-121 C66 C66 FI 2829 6"-142 L C65 6"-418M7 PC-22 NH-36042 CLOSED COOLING REACTOR BLDG CRW FS 2792 FPW7-4"-HC CW5-6"-HF CW2-6"-HF WATER M-111 H PC-50 L C65 FI 2793 TEST (A,3) FPW11-6"-HK ANNUN FPW11-6"-HK FS 2793 TO H C D 4"-HC PC-43 PC-44 1"-19 PC-24 2"-19 PC-23 FPW6-2"-HC ORW DRAINS LINER ORW 1"-19 MR FPW6-4"-HC HB D106-1"-HB 7,000 GAL/FT. 45'L X 19'W X 26' DP 583 GAL/INCH D105-1"-HB HB MR 160,000 GALLONS STORAGE POOL DRYER-SEPARATOR NH-36256 E FPW14A-2"-HC 2" 2" 2" 2" FPW14B-2"-HC 6 L (A,3) TEST FS 2789 FPW3-4"-HC FPW7-8"-MR FPW3-2"-HC FPW3-2"-HC FPW4-6"-HC FPW4-6"-HC FPW4-6"-HC FPW3-2"-HC FPW2-3"-HC PC-33 4"-29 FPW2-4"-HC FPW4-8"-HC FPW11-4"-HK FPW11-4"-HK FPW16-2"-HB FPW2-1"-HC FPW18-1"-HB TO ANNUN. (A,3) 1"-130 1"-19 PC-32 L C65 FRW2-3"-HC FPW3-4"-HC DRYWELL FPW2-1"-HC A HC MR B 625 GAL/INCH 32' DIA. X 27' DP REACTOR VESSEL 163,000 GALLONS 7,500 GAL/FT. REACTOR WELL FPW3-2"-HC ORW PC-42 FPW5-3"-HC FPW16-2"-HB ORW 3"-29 PC-30 PC-29 1"-19 HB MR MR HB HC MR 1"-19 FPW10B-6"-HK ORW LINER DRAINS HB D103-1"-HB D104-1"-HB MR 1" PC-41 1" 26' X 40' X 39' DP 647 GAL/INCH 2"-MR 7,769 GAL/FT. 303,000 GALLONS 22'-8" DEEP PC-20-2 6"-237 M3 A PC-20-1 6"-237 M3 GATES B FPW17A-3"-MR FUEL STORAGE POOL 2"-MR 2"-MR 2"-MR HC (TYP) MR 2" 2" 2" 2" 5 HC FPW14A-4"-HC HC MR (TYP) LS 2787 H FPW14B-4"-HC ANNUNCIATOR L C65 TO MR 4 N.D. PC-36 1"-DE FROM PS-2773 (B,5) 3 FROM FS-2793 (C,4) FROM FS-2792 (C,4) FROM FS-2789 (C,5) FROM LS-2787 (E,4) FROM LS-2785A (D,3) FROM LS-2784 (D,3) FROM PS-2774 (A,5) 2 4"-142F

4. PANEL C04 LOCATED IN MAIN CONTROL ROOM.
3. PANEL C88 LOCATED IN RADWASTE CONTROL ROOM.
2. PANEL C66 LOCATED NEAR FUEL POOL COOLING WATER PUMPS. (EL.985')
1. PANEL C65 LOCATED ON OPERATING FLOOR. (EL.1001')

A0-4"-418 PC-54 AO-6"-418 FPW13-4"-HB FPW13-6"-HB SYSTEM TROUBLE FUEL POOL COOLING FILTER/DEMIN NH-36257 SYSTEM M-136 A C04 HK FUEL POOL FPW10-6"-HK L O C C66 M-128 NH-36254 FROM R.W.C.U. (B,8) F.C 8"-29 PC-2 6"-256M3 PC-16 6-418M7 PC-15 HK HB AO 2783 F.C L O C C88 6"-29 L O C C66 CV 2782 ORW HS 2783 CST-158 CST-159 NOTES: TO WASTE SURGE TANK NH-36045 (C,6) M-139 M-131 NH-36049-13 (B,6) A/S H.C. EL 1001' 1"-7 CST-28 CST-29 M-131 NH-36049-13 (B,6) N.D. SV 2783 NH-36039 M-108 STORAGE TANK TO CONDENSATE (A,2) C66 HS 2782 E/P 7996 SV 2782 7996 LC C88 AIR SET C66 CST-30 1"-110 A/S 1 A 1 1/2"-HB 3238 PUMP P-85 DECONTAMINATION HIGH PRESSURE CHAMBER DAMP PCV RV 1"-HB 30GAL SUCTION TANK CST-26 1 1/2"-19 SERVICE BOX 1/2" HOSE EL. 1027' LANCE LCV CONDENSATE M-114-1 NH-85509 (E,4) FROM SERVICE B REW11-8"-HE TO RHR PUMP L C88 L C88 FPW1-8"-HC SC5-2"-HB LS 2786A LI 7453 PC-19-1 FPW10A-6"-HK PC-17 FPW10-10"-HK 6"-418 M7 6"-418 M7 FPW12-8"-GE HK GE 8"-26 PC-35 LS 2786B LL LL T-48A 11 (NORTH TANK) 228 GAL/FT. 4000 GAL L.O. SKIMMER TANK SURGE LS 2785B LS 2785A LT 7996 L C66 L L L C65 LS 2784 CST-33 2"-223 L C66 L C65 H CST-32 2"-130 TO PUMP P-7A TRIP (B,6) M-121 NH-36247 EXCHANGERS FROM RHR HEAT REMOVABLE SPOOL FPW12-8"GE (C,4) TO PUMP P-7B TRIP (B,6) PC-53 PC-1 8"-29 HC HE ADJUSTABLE WEIR TO ANNUNCIATOR (A,3) TO LC-7996 ON C88 NH-85509 M-114-1 (D,4) SERVICE PUMPS FROM CONDENSATE T-48B 4000 GAL 228 GAL/FT. (SOUTH TANK) 12 SURGE SKIMMER TANK MR HC PC-34-1 4"-29 3 2 NH-36247 SUCTION (B,6) M-121 REMOVABLE SPOOL C D REVISIONS PC-34-2 4"-29 1 E CHK: APPR: BJR 3-11-08 RMG 3-12-08 DWN: 76 JJP 3-5-08 11951 01121715 A/R EC SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A NH-36256 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-135 X Xcel NORTHERN STATES POWER COMPANY MONTICELLO NUCLEAR GENERATING PLANT Energy sm P&ID FUEL POOL COOLING & CLEAN-UP SYSTEM REV 79 T FPC103 T FPC104 22690 APPR: TM 10-1-13 CHK: DWN: BAL 9-26-13 JJP 9-24-13 77 EC 23419 APPR: DJS 2-25-15 CHK: DWN: AJR 2-25-15 JJP 2-25-15 78 EC LE 2789A TI 2779 RV 1412 2789A LI LE 2789B 2789B LI 28692 APPR: MM 7-11-17 CHK: DWN: AJR 7-11-17 JJP 7-7-17 79 EC 79 PC-37 PC-18 1 2 " HIGH POINT VENT LINE - SEE EC28692

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

CHANNEL A PRESSURE LOGIC HIGH DRYWELL A C05 APPROACH PT 2994B PT 2994A C04 L O C C04 L O C C03 D NOTE 8 P L O C C03 NH-36258 A B C C D C E M-131 NH-36049-14 (B,2) L O C C03 L O C C04 NOTE 8 NOTE 4 CV 2384 PS 4667 CV 2385 NOTE 8 HS S82 DWV-90 DWV-89 L O C C03 N2/AIR SUPPLY NH-36049-14 L O C C04 (B,6) T-RING M-131 C 6 LT38-"-HE NH-36049-14 AO 2896 LT39-"-HE 3/4"-19 L O C C03 L O C C03 ACTUATOR DWV-9 3/4"-19 L O C C04 F.C. DWV-10 C L O C C04 18Ø SUPPLY M-131 (B,6) C C SV 2896 PS 4672 PI 4672 ND CP5-2"-HE NH-36049-14 DWV-88 AIR SUPPLY (A,6) M-131 ND CP2-18"-HE DWV-86 ND N2/AIR SUPPLY CP5-18"-HE ND AO 2383 PI 4667 F.C. SV 2384 SV 2383 DWV-87 CP2-2"-HE XFER C292 F.C. SV 2385 C04 16A-S25 HS SUPPLY C04 16A-S20 HS NH-36049-14 T-RING NH-36049-14 (A,5) M-131 M-131 (B,6) AIR C04 16A-S21 HS C04 16A-S27 HS M-131 NH-36049-14 (B,2) ACTUATOR SUPPLY PS 4666 AO 2387 NH-36881 M-145 L O C C04 CP2-18"-HE NOTE 8 D P F.C. 18Ø NH-36049-14 (A,1) SUPPLY M-131 ACTUATOR (C,6) 6 N2/AIR SUPPLY ND C292 XFER PI 4666 AO 2386 PI 4671 PS 4671 ND SV 2386 NH-46162 (D,6) M-130 SV 2387 S82 HS NH-36049-14 T-RING NH-36049-14 SUPPLY ACTUATOR C04 16A-S24 HS (B,1) (A,1) M-131 M-131 C04 16A-S29 HS N2/AIR SUPPLY T-RING PRIMARY CONTAINMENT L O C C250 PRIMARY CONTAINMENT SUPPRESSION CHAMBER TE 2995F (TYP. OF TE4073-4080) PROTECTION SYSTEM LOGIC NH-36246 M-120 INTERLOCK FOR RHR SYSTEM TE 4247H1 CGC1-6"-CB X-47 L PCT115 PI 7251B ISO LY 7338B L O C C250 HPV1-8"-HE X-206D ES 7369 FROM E/S 4101 PY 7251B 7251B LS 2996A CO7 LS 2996B CO7 E/S C07C-5 CO7 L PCT112 5 LT 2996A A H L C04 H C258 7860B RM 50 PSIG 18" X 20" NH-116629 (C,2) 2996 E/S 4100 FROM M-131 NH-36049-4 (C,6) PCV 3078 SET @ LT 7338B L PCT113 CGC2B-6"-CB DWV-85 AS-191 X-205 LT 2996 C04 LI TABLE 1 SEE X-240 AS-36 PRESS TEST SERVICE AIR AIRLOCK C292 C03 PLR X-209B TE 4073A X-206F T PCT120 4072A A C05 C289A TY TYP. OF 8 X-207A-H PT 7348 1"-JB VENT X-206E X-206C POS 3000 PI 3077 A C04 LOCK AIR P PCT101 1"-JB 1"-156 DWV-27 P PCT103 AS-37 I/I E/S 4100 FROM PT 7251B POS 2999 X-2 X-48 TE 4247C1 X-29E X-29F E/S FROM X-25 7251B C56 PS 10-101B SEAL TEST CONN PS 5-12C E/S 4101 FROM CONTAINMENT LI 7338B C292 PRIMARY SYSTEM ISOLATION P PCT110 C292 C56 C56 5 PS 5-12D PS 10-119B PS 10-101D PS 10-119D C56 C292 C56 C56 CH B2 CH A2 4"x6" CGC1-4"-CB C03 LEVEL X-206G 2382A,B,C,E,F,G,H & K 18" VAC. BREAKER VALVE M-131 NH-36049-14 (B,4) AIR SUPPLY X-209C C289A 4072A TR 4072A C03 TI 4 (TYPICAL OF 8) X-50F TE 4247F1 DRYWELL TE 2995G C04 16A-S61 HS C04 16A-S60 HS SEL ONLY TEST SW X-26 X-32C C04 TE 4247A1 X-50E ALARM LS 2997 H A TE 4073B SV AO T PCT121 L PCT114 PT 7251A X-209A E/S 7251A N.D. X-209D TE 2995E 7251A M-123 NH-36249 (C,2) SEE DWG LT 7338A PLR FROM P D-124 X-202A-K X-230 X-218 X-206H PI 3051 TABLE 1 TYP. OF 10 SEE A H C05 23-115 P D-125 TR C21 2994 PR C55 C55 CH B1 CH A1 (D,3) M-121 NH-36247 PRIMARY CONTAINMENT ISOLATION & REACTOR A H C03 (E,4) P PCT109 C257 7860A RM FLOOD 4 C55 PS 10-119A PS 10-101A PS 5-12A PS 5-12B C56 PS 10-101C P PCT100 PS 10-119C C55 C55 PI 3050 C55 A H L CO5 PS 5-16 PI 4669 CP4A-20"-HE 3/4"-19 L O C CO4 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 CP1-18"-HE AO-2383 IS PROVIDED WITH A STANDBY VALVE TRAVEL POSITIONER WHICH IS LOCALLY CONTROLLED BY A MANUAL PNEUMATIC CONTROLLER FOR USE DPS-2572 AND DPS-2573 WILL OVERRIDE MANUAL CLOSING SIGNAL WHEN PRESSURE IN SUPPRESSION CHAMBER IS 0.5 PSI LOWER THAN ATMOSPHERE. ALL EIGHT VALVE CLOSED INDICATIONS IN EITHER ALARM CHANNEL MUST BE ENERGIZED OR BY-PASSED BEFORE THE RESPECTIVE CHANNEL ALARM ON PER MOD 81M041 VALVES SHOULD BE INSTALLED WITH FLAT SIDE OF DISC TOWARD CONTAINMENT AND SHAFT OF VALVE IN PLANE OF FIRST ELBOW TOWARD CONTAINMENT. DETAILED P & ID'S OF THE ALTERNATE NITROGEN SYSTEM/INSTRUMENT AIR SYSTEM CONNECTIONS TO THE AIR OPERATED VALVE ACTUATORS AND T-RING SEALS FOR THE PURGE AND VENT VALVES AND THE REACTOR BUILDING TO TORUS VACUUM BREAKER VALVES ARE SHOWN ON DRAWINGS NX-9769-17 L O C CO4 M-131 NH-36049-14 (B,5) L O C CO4 L O C CO3 C04 2994D PENETRATION DESIGNATION SPOTMOS DIV. II ACTUATOR SUPPLY CP1-18"-HE C04 16A-S22 HS PI 4665 SV 2381 PS 4665 NH-36049-14 SEE NOTE 7 COMMON DUAL ALARMS FOR dPS 2572 8 VALVES N2/AIR SUPPLY N2/AIR SUPPLY NH-36049-14 AO 2381 3 4072B (TYP. OF TE4073-4080) TR 4072B C289B 4072B TY TI C289B C03 L O C CO4 (B,2) NH-46162 A O C05 CP1-18"-HE A O C05 L O C C04 CGC2A-6"-CB E/S 7251A A H C04 FROM CP11A-1"-HE C ATMOS CP4-20"-HE L O C L O C CO3 (C,6) M-131 T-RING T-RING M-131 (C,5) SUPPLY ACTUATOR N2 MAKE-UP (B,2) NH-46162 M-130 PS 4664 M-131 NH-36049-14 (C,6) F.C. NOTE 8 CP11B-1"-HE C F.C. CP3-18"-HE NOTE 8 AO 2378 PI 4664 20" SV 2378 ND C04 16A-S23 HS SENSOR DESIGNATION 3 NH-36246 TE4080A TE4073A TE4074A TE4075A TE4076A TE4077A TE4078A TE4079A INITIATE LPCI M-130 N2 MAKE-UP SCRAM M-120 (B,3) TABLE 1 DESIGNATION PENETRATION INITIATE CORE SPRAY M-123 NH-36249 (E,5) X-231A X-238A X-232A X-233A X-234A X-235A X-236A X-237A NH-36247 INITIATE HPCI M-121 (B,5) ND SPOTMOS DIV. I TEMP. M-122 (B,3) NH-36248 DESIGNATION SENSOR TEMP. TE4078B TE4080B TE4079B TE4073B TE4077B TE4076B TE4075B TE4074B PS 4670 SV 2377 PI 4670 C04 16A-S30 HS CONTAINMENT L O C CO4 N2/AIR SUPPLY NH-36049-14 C04 16A-S38 HS PI 4668 M-131 NH-36049-14 (C,7) ACTUATOR LT35-1"-HE ATMOS 12" FLG DWV-7-3 1"-19 SYSTEM ISOLATION dPS 2573 & T-RING ACTUATOR (C,4) M-131 C04 16A-S37 HS SUPPLY S82 HS 2 AO 2377 F.O. AO 2380 F.O. TEST CONNECTION (TYP) " VALVE LEAKAGE AO 2379 F.C. SV 2380 NE PS 4668 C292 XFER A O CO4 PS 4669 LT37-"-HE A O CO4 DWV-7-1 NOTE 8 SV 2379 NE NOTES: DELETED DELETED AND NX-9769-18. C05 CAN BE RESET. DURING ILRT DEPRESSURIZATION. DELETED PER MOD 80M017. DELETED AS A RESULT OF MOD 81M041. dPT 2994C dPT 2994D dPI PRIMARY X-234B X-236B X-237B X-238B X-235B X-231B X-233B X-232B 2994C dPI C04 9. 5. 7. 6. 8. 2. 1. 4. 3. ND C 2 NH-36258 MONTI CAD DWG ` ' M-143 REV L O C CO3 FROM SECONDARY CONTAINMENT NH-36267 NH-36267 CONTAINMENT FROM SECONDARY VACUUM RELIEF VACUUM RELIEF AIR PURGE SUPPLY FROM REACTOR BLDG HVAC SYSTEM N2 PURGE NH-36267 M-130 NH-46162 (B,2) P&ID PRIMARY CONTAINMENT & ATMOSPHERIC CONTROL SYSTEM NORTHERN STATES POWER COMPANY Energy Xcel sm LT36-"-HE 18"-Sp418 DWV-7-2 3/4"-19 CP4B-20"-HE N2/AIR SUPPLY M-131 T-RING NH-36049-14 (B,5) (C,6) & T-RING M-131 N2/AIR SUPPLY ACTUATOR NH-36049-14 VAC DWV-8-2 DWV-8-1 20"Ø BRKR VAC BRKR P D CP10-12"-JB 20"Ø 18"Ø P D DWV-12 P D SCALE: 1 NONE M-155 (B,2) (B,2) (C,1) M-155 M-155 RMG 3-12-08 APPR: APPR: CHK: DWN: APPR: CHK: DWN: 77 78 12558 DCA 5-22-08 JT 5-22-08 JJP 5-20-08 01123311 16563 CWJ 4-26-11 DDW 4-26-11 JJP 4-25-11 EC A/R EC DWN: CHK: 1 76 01121715 JJP 3-5-08 BJR 3-11-08 11951 REVISIONS EC A/R 80 AR A B C D E SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A 17430 APPR: JAZ 11-1-11 CHK: DWN: BAL 10-31-11 JJP 10-28-11 79 EC 28051 APPR: SJH 5-17-17 CHK: DWN: BAL 5-17-17 JJP 5-16-17 80 EC 80 80

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

3,400 CFM TEMP. RANGE 68° TO 90° F TEMP. <90° F, R.A. 500 CFM SHIPPING TRUCK AREA W.C.S.P.< AMBIENT P. tRS=104° tRW=50° V-D-69 V-D-70 PUMP RM. No. 2 A B 6 REACTOR BLDG. FLOOR EL. 962'-0" 1,050 CFM BDD NH-36266 C D E (SEE MECH. DWGS.) TANK VENTS FROM T-35 -0.25" W.C.S.P. WASTE SLUDGE CELL CLEANUP PHASE & REACTOR BLDG. FLOOR EL. 985'-6" -0.25" W.C.S.P. FILTER VAULT FUEL POOL No.11 700 CFM FUEL POOL No.12 FILTER VAULT -0.25" W.C.S.P. T-47B BD V-D-68 V-D-67 tRW=50° tRS=120° 417 200 CFM BDD T-47A 550 CFM 1,250 CFM tRW=50° tRS=120° T-27 V-D-66 311 tRW=50° V-D-65 100 CFM tRS=120° BD 418 BDD FILTER VAULT -0.25" W.C.S.P. FLOOR DRAIN BD tRW=50° 419 tRS=120° 100 CFM BDD T-202A RWCU FILTER DEMIN

  1. 1 -0.25" W.C.S.P.

100 CFM P-55B W.C.S.P.< AMBIENT P. tRS=104° tRW=85° 500 CFM 411 BD 300 CFM P-55A PUMP RM No. 1 V-D-77 BDD

  1. 2 -0.25" W.C.S.P.

RWCU FILTER DEMIN 350 CFM T-202B 250 CFM V-D-78 tRW=50° tRS=120° 409 6 CFM P-33 P-56 300 CFM 1,100 423 V-D-75 300 CFM BD CFM 50 BDD 50 CFM 412 tRW=50° tRS=120° V-D-76 410 V-D-9101 FLOOR EL. 936'-9" V-D-9100 5 TIC 7927 HEATER 1,600 CFM CFM 50 dPI TS 7928 V-F-12 BDD CHARCOAL DEMISTER ABSOLUTE 600 CFM 2,200 CFM 4 ROOF EXHAUSTER (SEE NOTE 3) V-EF-52 4000 CFM O.A. M O.A. SHIPPING BLDG. M 200 CFM DRUM AREA STORAGE 3,600 CFM 5,600 CFM BD T-26 T-24 T-19 tRW=50° tRS=120° -0.25" W.C.S.P. TANK CELL COLLECTOR (SEE MECH. DWGS.) TANK VENTS PHASE CELL tRS=120° -0.25" W.C.S.P. CONDENSATE SEPARATOR tRS=120° tRW=50° -0.25" W.C.S.P. DEMIN. VAULT WASTE COLLECTOR PUMP RM No. 3 312 CFM 50 V-D-71 tRW=50° 420 100 CFM V-D-72 -0.25" W.C.S.P. WASTE COLLECTOR tRS=120° FILTER VAULT BD T-25 T-65 BDD BD BD 850 CFM 2,000 CFM 317 tRW=50° V-D-74 600 CFM V-D-73 420A BDD 100 CFM 550 CFM W.C.S.P.< AMBIENT P. P-32 1,400 CFM P-30 P-35 tRW=85° tRS=104° 5 BD BDD BDD 1,400 CFM BD CFM 850 550 CFM 1108 V-FU-1 1/2 SIZE FAN 5,600 CFM 5,600 CFM BD 4108 1/2 SIZE FAN 5,600 CFM V-FU-2 5,500 CFM EACH 1/2 CAPACITY 50 TO 400 CFM SEE NOTE 4 421 V-MZ-3 11,100 CFM BDD 4 11,200 TO MAIN EXHAUST PLENUM AIR FLOW B CFM 2214 CH. WATER V-MZ-3B BDD C H STM A V-MZ-3A 3214 BDD STM C C H SET @ 0.25" W.C.S.P. 310 CFM 1,700 50 CFM tRS=72° FILTER MAY BE REMOVED AND REINSTALLED BY PROCEDURE. REQUIRES SPECIAL PERMISSION TO RUN DUE TO CONCERNS OVER UNMONITORED HIGH RAD. LEVEL STORAGE DESIGNED FOR OPERATION AT HALF CAPACITY UNDER WINTER CONDITIONS OR AS REQUIRED UNIT V-MZ-3 AND MAIN EXHAUST UNITS V-FU-1 AND V-FU-2, THESE UNITS ARE AIR FLOWS SHOWN ARE SUMMER DESIGN FLOWS FOR AREAS SERVED BY MAIN SUPPLY INDICATES ITEM FURNISHED WITH PLANT OPERATING EQUIPMENT. 3 CFM 200 200 CFM INFILT. 641 CFM 11,200 CFM 4,600 CFM 880 CFM RADIOACTIVE RELEASES. IN THE INTERMEDIATE SEASONS. 3. 4. 2. NOTES: 1. BD 144 880 CFM 880 CFM 880 CFM 880 CFM BD BD BD BD BD 800 CFM 143 +0.25" W.C.S.P. COMPACTOR WASTE CFM 350 2 142 750 CFM EX. HOOD 140 800 CFM LOW RAD. LEVEL STORAGE -0.25" W.C.S.P. tRW=50° tRS MAX.=104° tRS=85° 4148 1,660 CFM CFM 1,800 CFM BD & WBDD (OPERATING GALLERY) tRS=72° 600 tRW=72° 910 310 V-MZ-2 100 TANK ROOM LAUNDRY DRAIN 0 MIN. 350 MAX. V-EF-13 H&V EQUIPMENT RM. No. 1 CFM 250 V-HC-4 600 CFM V-UH-21 300 500 CFM TEMP. RANGE 60° TO 74° F 350 CFM TEMP. RANGE 68° TO 100° F 1,700 CFM BD 700 CFM 400 CFM CFM 250 130 400 CFM BD 400 CFM CONTROL ROOM tRW=72° -0.12" W.C.S.P. tRS=104° tRW=55° TANK ROOM 148A H&V MECH. EQUIP. tRW=50° ROOM No. 2 CFM 300 CFM -0.25" W.C.S.P. 1,050 CFM tRS=104° BD STM 450 CFM BD 3 BARBER COLMAN No. 10, OR APP. EQUAL HIGH VELOCITY INDUCTION UNIT V-HC-1 TEMP. RANGE 68° TO 80° F 4 C BD BD 3 550 CFM 2 1 C BD BD H W.B.D.D. SET FOR 0.25" W.C.S.P. 400 CFM CH. WATER 148 BD 2213 H C C C STM H 149 BD C STM 6,800 CFM STM 800 CFM 250 CFM 50 CFM tRW=50° +0.25" W.C.S.P. tRS=104° CFM 150 100 HOPPER No. 1 tRS=104° tRW=50° -0.20" W.C.S.P. 250 CFM -0.20" W.C.S.P. tRW=50° tRS=104° HOPPER No. 2 2,000 CFM L29, CKT. 6 V-EF-16 CFM 50 600 CFM 50 CFM 1,800 CFM 100 W.C.S.P.> AMBIENT P. BD H STM C tRW=72° CORRIDOR tRS=72° CFM CFM 145A CFM BD 152 151 141 310 910 1,800 CFM 150 310 CFM CFM 910 CFM 910 CFM 70 CFM 70 CFM BD BD BD & BDD V-HC-2 TEMP. >90° F 500 CFM EXHAUST (SEE NOTE 3) BD & BDD V-HC-3 tRW=50° tRS=104° CENTRIFUGE No. 2 -0.125" W.C.S.P. -0.125" W.C.S.P. CENTRIFUGE No. 1 H MAX. 500 CFM MIN. 150 CFM 900 CFM 150 5,000 CFM STM C 322 CORRIDOR W.C.S.P.> AMBIENT P. 900 CFM tRS=72° tRW=72° 319 320 STM H 321 C BD 70 CFM 830 CFM 830 CFM 70 CFM 70 CFM 830 CFM 830 CFM tRW=50° tRS=104° BD 2 1 RADWASTE BLDG. EL. 935'-0" A B OR APPROVED EQUAL MFD. BY A.A. FILTER Co., "ROTOCLONE" TYPE "W" AS 7 1/2 HP No. 8 4122 V-CF-1 RADWASTE BLDG. EL. 947'-0" RAD. WASTE DRAIN SYSTEM TO CLOSED DM-256 800 CFM CFM 450 CFM 450 CFM DEMIN. WATER RADWASTE BLDG. EL. 965'-6" DWN: APPR: CHK: 1 76 REVISIONS 01121715 JJP 3-5-08 11951 RMG 3-12-08 BJR 3-11-08 EC A/R C D E SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL COLOR LEGEND ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A NH-36266 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-154 G Xcel NORTHERN STATES POWER COMPANY MONTICELLO NUCLEAR GENERATING PLANT Energy sm AIR FLOW DIAGRAM RADWASTE AREA REV 77 77 441 CFM BD MACHINE SHOP HOT 441 CFM INFILT. 77 15644 APPR: CB 10-13-11 CHK: DWN: AWL 10-12-11 JJP 10-12-11 77 EC

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

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

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

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

1 "-65 SW-78-2

1 "-65

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

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

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

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

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

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

PT 5304 COOLING TOWER PUMP PI 1867 NH-36489-3 POS 1871 C06 2" DRAIN (TYP) CW-19 2"-65 BKR 152-802 P-101B COOLING TOWER PUMP BKR 5106 RTD TO COOLING TOWER PUMPS MOTOR CIRCUITS MO 1872 HS 1872 CW-50 PI 4837B M-800 NH-36489 (A,2) A 8 108" (NOTE 1) P-134B GATE ISOLATING C06 C06G-3 E/S P CWT117 3" 12" PI 1868 PT 5305 NH-36489-2 B C D FROM DIRTY DRW-62 M-800 NH-36489 (B,2) VAR 4836B NH-36046 M-140 SYSTEM (B,1) RADWASTE M-800 NH-36489 (A,8) 10" PUMP TRIP C06 C POS 1872 L O T CWT102 TE 5048 RWN28-2"-HC 3/4"-19 DRW-56 CV 3374 N.E. 8 SV 3374 N.E. CV 3375 SV 3375 HS C102 MO 1871 HS 1871 CW-49 PI 4837A MO 1874 C XJ 1870 5104 7 6 T CWT125 TT 5030 TE 5030 TE 5026 T CWT121 TT 5026 TT 5028 T CWT123 TE 5028 C102 MV/I C102 MV/I A C102 VC 5613 VS 5613A 12 VS 5613B C T CWT106 TE 5032 C102 MV/I RTD TRIP & O/L 5 SLUICE GATE S-103B BKR 108" ISOLATING (NOTE 1) P-134A GATE 12" 3" C06G-4 CWS-1 1 1/2" E/S P CWT116 C06 FI 2895 COOLING TOWER (D,2) AIR SYSTEM M-131 NH-36049-17 SEE NOTE 3 FIC 1875 M-131 NH-36049-17 (D,5) LI 1875B C06 1875A LS LT 1875 LS 1875B HS C06 66" A802 C84B C L L CW-37 L C06 C06D-3 E/S L CWT111 108" C102 C06 1875A LI C102 C102 N.E. 3377 CV AI-784-2 C102 C A AI-784-1 C102 HS 1874 DRW-57-1 3/4"-19 A L C06 C102 C CV 3376 3/4"-19 DRW-57-2 AI-783-2 C102 N.E. C102 DISCHARGE STRUCTURE 3377 SV 7 A C06 NH-36049-17 (D,5) HS C102 M-131 3376 SV C84B TROUBLE C06 A FAN TROUBLE 6 FI 2474 VAR 4836A NH-36489 HS C06 O L C DRW-60 2"-130 DRW-61 2"-130 AI-783-1 C102 C102 2"-130 DRW-59 DRW-58 2"-130 C102 HS 1900 M-800 (A,4) M-800 NH-36489 (A,8) 10" FI 2476 C MO 1900 L O C C06 FI 2475 84" 5001 FI 2477 BKR 2" 2" 2" 2" FAN TROUBLE (COMMON FOR E-100B FANS) FIC 2467 TX 1878 VS 1890 THRU 1898 C06G-5 2389 C06 L CWT113 LT 5202 LI B6 E/S C06 TRIP HS B6 C06 C HS TYP FOR 9 FANS TRIP A C102 TOWER 60" 60"-455 CW-4-2 RTD T CWT115 TE 5036 96" E-100B 2"-65 CW-20 B6 5 COOLING 12 L CWT112 B5 This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. MONTICELLO NUCLEAR GENERATING PLANT MO 1873 C XJ 1869 4 VS 5612B T CWT122 TT 5027 TE 5027 C102 BKR 152-702 TT 5029 T CWT124 TE 5029 C102 MV/I 11 P-101A (B,7) M-800-2 VS 5612A VC 5612 A C102 TE 5031 T CWT105 TT 5025 T CWT120 TE 5025 MV/I C102 MV/I RTD & O/L TRIP 3 TT 5013A RTD 1 1/4"-JB* (TYP) TE 5013A NH-46144 TO SAMPLING M-158 SYSTEM (C,7) SLUICE GATE S-103A CANAL TO RIVER BKR 5103 TT 5013C TE 5013C TT 5013B TE 5013B RTD TT 5013D TE 5013D RTD RTD S-106A DRAIN GATE 60"-455 SLUICE GATE SEE NOTE 3 S-105A 60" CMP 60" CMP 54" CMP 18" CMP 54" CMP C84B A702 BKR 5105 C O L 66" C C06 HS L S-105B SLUICE GATE C L C102 L TO CANAL ONE OR MORE FANS RUNNING ONE OR MORE FANS NOT RUNNING 3377-1 COOLING TOWER FANS K-100K THRU N AND P THRU T K-100A THRU H AND J 60" TX 2473 LS 3377-2 CW-3-2 60"-455 S-106B DRAIN GATE A L C06 LS 4 L C06 L C06 C06 L OVERFLOW 78" 3376-1 LS LS 3376-2 TX 1877 A C06 C06 L L 18" CMP STOP LOG SLOTS (TYP) SCREEN (TYP) HS HS 1873 L C06 O C 84" L BKR 5002 C MO 1899 C C06 O 1804 TR C20 T CWT103 HS 1899 C102 60" 60" TOWER E-100A 2" DRAIN (TYP) 60" CW-4-1 2"-65 CW-18 2"-65 CW-17 COOLING 11 3 FIC 2466 LT 5201 CW-3-1 60"-455 RTD TE 5035 T CWT114 TX 2472 C06 2388 LI B5 E-100A FANS) (COMMON FOR FAN TROUBLE TYP FOR 9 FANS TRIP VS 1881 THRU 1889 B5 C06 C06G-2 E/S HS C102 TRIP A C C06 HS NH-36489-2 MONTI CAD DWG ` ' M-800-1 REV 2 1 CLASS JB OR HDPE (REF EC 21637) CLOSED CYCLE SEQUENTIAL BYPASS SWITCH. USE AT INTAKE AND DISCHARGE STRUCTURES. TWO CONCRETE GATES PROVIDED FOR INTERCHANGEABLE CIRCULATING WATER SYSTEM P & ID NORTHERN STATES POWER COMPANY Energy Xcel sm NOTES: 3. 1. 2. SCALE: NONE 81 A A FI 2894 C84B COOLING TOWER AIR SYSTEM M-131 NH-36049-17 (B,6) 2 DWN: APPR: APPR: CHK: DWN: CHK: 77 76 12799 JCG 7-1-08 BAL 7-1-08 JJP 7-1-08 EC REVISIONS 1 01121715 JJP 3-5-08 11951 RMG 3-12-08 BJR 3-11-08 EC A/R B C D 11603 APPR: JCG 11-16-12 CHK: DWN: BAL 11-14-12 JJP 11-14-12 78 EC HS 1873-1 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 21637, 18765 APPR: CWB 8-6-13 CHK: DWN: BAL 8-6-13 JJP 8-6-13 79 EC SWB-7A SWB-7B SWB-8A SWB-8B

  • SEE NOTE 3 22533 APPR: JCG 5-12-14 CHK:

DWN: BAL 5-12-14 JJP 5-12-14 80 EC HS 1874-1 21202 APPR: JCG 10-19-15 CHK: DWN: BAL 10-16-15 JJP 10-13-15 81 EC 81 81 81 AI-786-1 C102 AI-786-2 C102 AI-785-2 C102 AI-785-1 C102

EMER GEN. FP-196 FP-199-2 FP-126 8 A B 7 6 RADWASTE BLDG L.O. HYDRANT VALVE DETAIL 1 ELEVATION VIEW STREET OPERATOR 'T' HANDLE ACCESS FOR DRAIN HYDRANT VALVE GRADE HANDWHEEL FOR FP-146 FP-147 L.O. FP-148 L.O. L.O. FP-187-1 FP-187 M-134 NH-36048 (C,3) M-134 NH-36048 (B,3) FP-194-1 FP-194 FP-194-2 14 26 SWITCH YARD FP-229 FP-232 FP-198 18 FP-198-2 20 FP-200-2 FP-198-1 FP-228 FP-200 L.O. FP-200-1 FP-162 L.O. L.O. TO SAB 24 FP-38 FP-161 FP-227 FP-290 FP-49 FP-114 FP-230 L.O. L.O. FP-187-2 7 FP-37 ACCESS SECURITY FACILITY FP-36 L.O. FP-231 19 L.O. M-134 NH-36048 (A,8) M-134 NH-36048 (A,8) GUARD HOUSE DRAIN FP-32-1 5 4 3 FP-196-1 FP-196-2 16 25 FP-191 FP-191-2 FP-199-1 FP-199 FP-35 FP-291 11 FP-33 FP-20 L.O. L.O. FP-34 FP-191-1 STREET OPERATOR FOR VALVE SPRINKLER ALARM VALVE POST INDICATOR VALVE DELUGE VALVE S D (SEE DETAIL 1) HOSE HOUSE ON GROUND LEGEND FP-193-1 FP-219 NH-36048-2 L.O. SEE DWG FP-193 FP-193-2 FP-31 13 FP-32 NH-36516 Energy Xcel NORTHERN STATES POWER COMPANY 2 1 FP-197 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. FIRE PROTECTION SYSTEM YARD AREAS sm FP-195 FP-29 FP-195-2 FP-195-1 15 L.O. FP-30-1 DRAIN FP-30 17 FP-197-1 FP-197-2 ASME CLASS 2/QUALITY GROUP B ASME CLASS 1/QUALITY GROUP A M-810 MONTI CAD DWG ` ' SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C NONE SCALE: COLOR LEGEND REV 84 S A FP-28 B FP-189-1 FP-189-2 FP-150 FP-184-2 NH-36516 C FP-185-2 FP-185-1 5 FP-183-1 FP-183-2 3 D 8 SODIUM HYPOCHLORITE BLDG L.O. RECOMBINER BLDG L.O. FP-39 FP-185 FP-183 FP-41 L.O. FP-40 STORAGE TANK STORAGE TANK CONDENSATE CONDENSATE CO2 & STOR. H2 FP-42 L.O. FP-181-1 FP-181 FP-181-2 1 DIESEL GEN FP-44 M-134 NH-36048 (C,1) BLDG L.O. L.O. L.O. FP-43 FP-45 7 ADMIN M-134 NH-36048 (B,8) BLDG REACTOR BLDG TURBINE BUILDING ADMIN BLDG ADDITION SECURITY 9 M-134 NH-36048 (C,1) HEATING BOILER BLDG FP-156 EFT L.O. 4 FP-184-1 SWITCHGEAR M-812 NH-36666 (D,6) (D,1) TURBINE BLDG ADDITION TANK L.O. DIESEL FIRE PUMP STRUCTURE INTAKE FP-15 FP-182 2 NON 1E 13.8KV ELEC ROOM FP-182-2 DIESEL GEN FP-182-1 6 COOLING TOWER FP-24 FP-122-1 FP-124-1 FP-118-1 FP-120-1 WAREHOUSE 1 & 2 FP-127 FP-19 L.O. FP-189 S FP-151 L.O. FP-149 L.O. L.O. FP-184 FP-18 L.O. FP-127-1 FP-186-2 FP-186 FP-16 FP-21 FP-17 L.O. L.O. L.O. FP-22 FP-186-1 6 5 PEB/TSC

  1. 12 4

FP-188-2 FP-188 FP-23 FP-188-1 SEE NOTE 1 8 3 FP-192 TOWER FP-121-1 FP-119-1 FP-125-1 FP-123-1 COOLING L.O. FP-124 D D L.O. FP-116 FP-120 FP-118 FP-122 D D L.O. L.O. L.O. FP-125 L.O. D D FP-121 FP-119 FP-123 L.O. L.O. D D FP-115 L.O. 10

  1. 11 12 FP-26-1 FP-192-2 FP-192-1 DRAIN FP-190-1 FP-25 FP-190 FP-190-2 FP-24-1 DRAIN FP-26 2

EC 17089 80 APPR: CHK: DWN: FP-27 NEO 12-27-11 PEB 12-27-11 JJP 12-27-11 C REVISIONS APPR: CHK: DWN: 79 CHK: DWN: APPR: 78 CHK: APPR: WMS 10-9-09 TJF 5-18-11 WGN 5-21-11 15270 WMS 5-21-11 EC JJP 10-8-09 RMG 3-12-08 14085 BJR 3-11-08 DDW 10-9-09 EC CHK: APPR: 77 DWN: 76 DWN: AJM 7-12-07 11951 AJM 7-12-07 JJP 7-9-07 JJP 3-5-08 01121715 EC A/R 906 1 EC D DWN: CHK: APPR: 81 BAT 11-6-12 AWL 11-6-12 TJF 11-6-12 15645 EC ROOM 23478 APPR: AJR 3-27-15 CHK: DWN: DAM 3-27-15 JJP 3-27-15 82 EC FLEX STORAGE BUILDING FP-275 L.O. FS 7973 PI 7973 FP-276 FP-282 FP-283 FP-284 FP-285 FP-286 DRAIN EXTERNAL WATER SUPPLY (INTAKE) FP-287 SPRINKLER RISER 24364 APPR: DAM 7-7-15 CHK: DWN: AJR 7-7-15 JJP 7-7-15 83 EC 27067 APPR: MM 12-5-16 CHK: DWN: BAL 12-2-16 JJP 11-29-16 84 EC 84 NOTE 2 NOTE 2 NOTES:

1. FLANGED CONNECTION FOR STORTZ COUPLING.
2. FP-192 AND FP-27 HAVE BEEN REPLACED PER EC27067.

84

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

7 RCP-3315 I

I L 1,L2,L3 G

  1. 6
  2. 12 D10 AWG AWG I

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

  1. 142-480V MCC B42 I

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

  • 12.-1es v B,*,TT ER 'f

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

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

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

7 I

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

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

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

SCHEME 64205 ~

~ ~ ~ I) ) I) 6~~ I B'1$1e<;, J ¢ I I L1 L2 L3 G e.. MANDATORY ROU,-ING SEPARATlON OF SCHEME BSSIS fROM 5tHEME B'13l'5 ?.- ~EE !:.HEET ~ FO!s fU!:,e TYPE ( APPLICATIONS DWN: JJP 12-5-08 CHK: RES 12-9-08 APPR: MFP 12-10-08 78 EC 13284 I _____, L I* ALAI\\M

  • I,----+---+---+------+--+--+--+-~

DWG E-32 L1 L2 L3

:J FOR INTERNAL WIRING SEE I

I Q!2 NX-9173-18-1,-2 N N BI\\TIE;JP~rfGER -+-<D-+..._I -e - 71 #11 125Y BATTERY CHARGER.W.0 ~ ~<C UNDERVOLTAGE 80 AMPS OR HIGH VOLTAGE I I SHUTDOWN _.J NT(-) PT(+) (C08-A-15) ..J I N ~ Ole. SCHEME R3315_J P! NS DI I o~o Q:1.Q AL ARM l~W6E*S2..., L1 L2 L3

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

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

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

80 AMP (C08--A-15) I PT NT (+) (-) SEE NF - 31,,70'1 400A TIME DELAY , _ __.41 $HUNT 200 A _/'--tfl SO MV 200* O* 200A Dee 021 I --LI L2 LS SCHEME 84315 I.... _p20 ALARM r*wG.E*se*I L1 L2 u BATTERY CHARGERD2.0 FOR INTERNAL WIRING &IE SUPPLY __ NX-9173-18-1,-2 UNDERVOLTAGE 4--<:>-+_..___. 7 N_..OR HIGH VOLTAGE I SHUTDOWN I

  1. 12-1251/ BATTERY CHARGER D20 80 ~MP (C06*A*I':>) -:>--t-~- _.J D20 SEE NF-36709 Q!.2 ~I L----------------------C~PS 1:-1--0:""JF-'!'-+--+-~-l[""JF-~)-P& -o---------------t-------o--P6 --<)-'--....--!L_JJ-A" --+--~l'-..JOhr:- 1 W ALARMS

-11 12'!>V DC BUS GROUND FAULT L-------------------------O-H5-0-~1.... -r1r-.r---11---+-~---£:-n_.......:.o--N~-o-----------------------o-N&-0-"..... -![""JF-"*-+--* --..._ca--....,;-o-11a-o-----~ DI I COM +..+-* uDR* I G NOTE I DI I,------~~ COM I I r--------------_,1,........-i[:J}-/"--+-*- --ii 7t-...... -'-----, 011 I 125V DC I I 011 SN SP C2.89A SATIOI NOTE 4 DISTRIBUTION 021 --+.*+ SP SN r--+-ee GDR-2 c.oi+ ~ 02.1 1 NOTE I D!I C0"1 - >10 ALARM-:. llWG.:-~"3

  1. 12-125V DC BUS GROUND FAULT I

L

  1. 11 125V DC BUS VOLTAGE HIGH/

LOW NC NO BVR-1 +--~ I~ i I~: I # 11-125V DC DISTR. PANEL D 11 I SEE SCHEDULE SH. 3 FOR SWITCH I

O~i~02 ~-r--=<:)-1:....1...-DK--<------1-*o I #12-125V DC DISTR. PANEL 021 NIOI SEE SCHEDULE SH. 3 FOR SWITCH PIO
  • 1e-1asv oc e.u!i VOLTAG,E KIG,>s/

LoW 11! ll-125V DC BUS s C H E M E D I ( [XCltPT AS NOTED ) I & FUSE RATINGS PANEL ARRANGEMENT P7 & CIRCUIT NO'S. I N7 011 t

c ___ o:

I I lo 01 I w l w l I I I #111-125V DC DISTR. PANEL 0111 I I SEE SCHEDULE SH. 3 FOR SWITCH I & FUSE RATINGS PANEL ARRANGEMENT L..&. c,;JEC.lll,T l!O'S.. - _J TURB, BLDG,, EL. 911 WE'iiT I & FUSE RATINGS PANEL ARRANGEMENT ~ C.fil.CWI !::ill'~ - Otll

cr ___ QJ TURI!>, l!>LOG,
c======~i I #121-125V DC DISTR. PANEL D211 I I

SEE SCHEDULE SH. 3 FOR SWITCH EL. 9 as WES,. II' I 2-I 25V DC BUS I & FUSE RATINGS PANEL ARRANGEMEN~ _ 1r.. CIRC.l.!JI.lli)'~ _____ _ SCHEME 0 2 ( E)(CEPT A'i> NO,-EO) ..J I N (D ~ SCHEME R4315_J

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

I

  • 012.

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

  1. 2 AWG 250 MCM

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

..I..--,

ca1 P6,N6

  1. 2 AWG 02.11 P10MN10 250 CM P8,N8
  2. 2 AWG SCHEME 01
  • I*
  • I MANDATORY ROUTIN6 ~P,.IU,llON or '<,CHEMIE Ct FROM ca DWN: JJP 4-8-10 CHK: BAL 4-8-10 APPR: RES 4-8-10 79 EC25350 DWN: NJM 4-6-15 CHK: AJR 4-6-15 APPR: NJF 4-6-15 80 EC23475 DWN: JJP 4-9-15 CHK: BAL 4-9-15 APPR: DJS 4-9-15 E-110-2 This map/document is to assist employees in the performance of their jobs, Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. t,-M.,.,O'"'N"'T""I...,C'"'A""D....,,.DW"""G....,...F,,....,-1 125V DC DISTRIBUTION ELECTRICAL SCHEME SCALE: NONE REV 80 MONTICELLO NUCLEAR GENERATING PLANT

'(}, Xcel [nergy*m NE-36640-2

60 AMP. TR60R GOULD-SHAWMUT OR EQUIVALENT. NOTE 2 FUSE AMPS

  1. 111-125V DC DISTRIBUTION PANEL D111 (F.P. #5828-E12-2)

FOR CABLE BLOCK DIAGRAM SEE DWG E-211 SHT 12 (NE-93503) (* SCHEMES D11111, D11112, D21111 & D21112 CONTINUED ON E-103, SH 3) 152-101 Z4-11A

  1. 11-125V DC DISTRIBUTION PANEL D11 (F.P. #5828-E12-1)

MEETING DATED 11-4-69. THE STAND-BY SOURCE LEADS NOT TO BE CONNECTED WITHOUT EXPRESSED ORDERS FROM PLANT SUPERINTENDENT. SEE SH 2 D1( SEE SH 2) NOTES 1, 4 SEE SH 2 NE-36640-3 SCHEME NUMBER THE LEADS. THIS DELETION IS PER AEC/DRL-GE-NSP AGREEMENT AT WASHINGTON FIELD TO DISCONNECT STAND-BY 125 VDC CONTROL POWER TO 4KV BUS AND TAPE MAIN BATTERY FUSES SHALL BE DUAL ELEMENT TIME DELAY. MANDATORY ROUTING SEPARATION FROM SCHEME NUMBERS LISTED. NOTES: NOTE: 1. 3. 2. D1123 D1121 D1120 D1119 D1124 NOTES 1 D1114 D1116 D1115 D1113 D1112 D1111 D1117 D1110 D1103 D1 D1106 D1107 D1108 D1109 D1104 D1105 D1 RECIRC. PUMP MG SET G-200A CONTROL PNL 2-184-11A FIRE PROTECTION DIV I ATWS CABINET REACTOR WTR CLEANUP & RECIRC BENCH BOARD PLANT EVACUATION SIREN CONTROL FEEDWATER & CONDENSATE BENCH BOARD GENERATOR & AUX. POWER BENCH BOARD CHANNEL A RHR, CORE SPRAY & AUTO BLOWDOWN RELAY VERT. BOARD

  1. 14-125V BATTERY CHARGER CHANNEL A PRIMARY ISOL. AND REACTOR PROT. SYS VERT BOARD RCIC RELAY VERTICAL BOARD
  2. 11 - 13.8KV SWGR & 2R RELAYING TIP (REACTOR NEUTRON MAPPING) CONTROL CABINET ATWS INVERTER A INBOARD ISOLATION VALVE RELAY PANEL OVER/UNDER VOLTAGE, GND. DET. RELAY TURBINE BENCH BOARD TURBINE-GENERATOR METER & RELAY BOARD COMPUTER INPUT BAT. 101 AUTO TRANSFER RELAYS
  3. 111-125V-DC DISTRIBUTION PANEL EMERGENCY LIGHTING PANEL (SEE DWG E-353)

GEN UNDERFREQ. PROT. CAB. Z4-11A 30 30 30 30 30 30 30 100 5 200 30 30 30 60 60 60 60 30 30 15 15 30 30 30 60 60 60 60 60 30 200 60 28 22 20 21 23 19 18 24 30 30 30 30 30 30 30 100 30 30 30 30 30 30 30 30 14 16 15 13 12 11 17 10 3 2 6 7 8 9 4 5 SPACE SPARE

  1. 11-125V BATTERY CHARGER NOTE 2 100 FUSE AMPS AMPS 100 SWITCH RATING CKT NO 1

DESCRIPTION

  1. 12 - 13.8KV SWGR & 1R RELAYING TURBINE-GENERATOR METER & RELAY BOARD OVER/UNDER VOLTAGE, GND. DET. RELAY OUTBOARD ISOLATION VALVE RELAY PANEL HPCI RELAY VERTICAL BOARD TURBINE PLANT INST. VERTICAL BOARD COMPUTER INPUT BAT. 102 DESCRIPTION
  2. 12-125V DC DISTRIBUTION PANEL D21 (F.P. #5828-E12-1)
  3. 14-125V BATTERY CHARGER CHANNEL B PRIMARY ISOL. AND REACTOR PROT. SYS VERT BOARD CHANNEL B RHR, CORE SPRAY & AUTO BLOWDOWN RELAY VERT. BOARD GENERATOR & AUX. POWER BENCH BOARD FEEDWATER & CONDENSATE BENCH BOARD REACTOR CONTROL BENCH BOARD RECIRC. PUMP MG SET G-200B CONTROL PNL 2-184-11B REACTOR & CONTAINMENT CLG & ISOL. BENCH BOARD
  4. 12-125V BATTERY CHARGER
  5. 121-125V-DC DISTRIBUTION PANEL 100 200
  6. 10
  7. 10
  8. 10
  9. 10
  10. 10
  11. 10
  12. 10
  13. 10
  14. 10
  15. 10
  16. 10
  17. 14
  18. 10
  19. 10
  20. 10 D2123 C31 C07 C31
  21. 6
  22. 6
  23. 8
  24. 6 D2109 D2105 D2106 D2103 D2117 D2114 D2111 D2112 C13 C254 C30 C15 C41 C32 N3106 9-95 C04 C06 C08 C20
  25. 2 D2123 D2119 D2120 SEE SH 2 NOTES 1, 4 SEE SH 2 D2( SEE SH 2)

D2121 NOTE 1 28 22 20 21 23 19 18 24 D2114 D2115 D2116 D2113 D2112 D2110 D2111 Q216 D2103 D2 D2106 D2107 D2108 D2109 D2105 D2104 14 16 15 13 12 11 17 10 3 2 6 7 8 9 4 5 INSTRUMENT LAB DIV II ATWS CABINET SPACE SPACE SPACE SPARE SPACE TURBINE BENCH BOARD SPARE ATWS INVERTER B RADWASTE PANELS CGCS DIV II 60 60 30 60 15 200 60 60 60 30 60 60 30 60 5 30 30 30 30 30 30 30 100 30 30 30 15 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 C92 AMPS 100 RATING SWITCH SIZE WIRE NOTE-1 ROUTING SEPERATION LOC.

  1. 2 NUMBER SCHEME D2 NO CKT 1

NOTE 2 100 FUSE AMPS D1123 D1105 D1103 D1105 D1109 D1114 D1111 D1110 D1116 D1117 D21 C33 152-201 C31 C07 C84A/C84B C33/C32 C292 C285B 1-C20 C39 C17 Z4-11B 9-96 J265A C05 C06 C08 CO3 C32 D11117 D11103 D11104 D11105 D11106 D11107 D11108 D11109 D11112 D11111 D11119 D11120 D11122 D11121 D11114 D11118 D11113 D11110

  1. 6
  2. 6
  3. 14
  4. 6
  5. 10
  6. 10
  7. 10
  8. 10
  9. 10
  10. 10
  11. 10
  12. 2
  13. 10
  14. 10
  15. 10
  16. 14
  17. 10
  18. 10
  19. 10
  20. 10 22 20 21 19 18 100 100 100 100 100 14 16 15 13 12 11 17 10 3

2 6 7 8 9 4 5 60 60 60 60 60 60 100 60 30 30 30 60 60 60 30 30 NOTE-1 SEPERATION ROUTING LOC. NUMBER D11101 SCHEME SIZE

  1. 2 WIRE AMPS SWITCH RATING NO 1

CKT 30 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. 121-125V DC DISTRIBUTION PANEL D211 (F.P. #5828-E12-2)

PERMANENT NOTE: ANY ADDITIONS OR CHANGES TO THIS DRAWING MUST ALSO BE MADE ON NH-105940 FOR USE WITH SPARE GENERATOR TRANSFORMER INSTALLATION

  1. 6
  2. 6
  3. 6
  4. 6
  5. 2
  6. 6 SIZE WIRE
  7. 6
  8. 6
  9. 6
  10. 6
  11. 6
  12. 6
  13. 6
  14. 10
  15. 6
  16. 10
  17. 10
  18. 10
  19. 104-480V LOAD CENTER STANDBY (NOTE 3)
  20. 16-4.16KV SWGR STANDBY (NOTE 3)

DIESEL GENERATOR #11 FIELD FLASHING SPARE GENERATOR H2 COOLING PANEL INTAKE CIRC WATER CONTROL PANEL 2R-AUX TRANS CONTROL

  1. 107-480V LOAD CENTER
  2. 103-480V LOAD CENTER NORMAL
  3. 101-480V LOAD CENTER OPTICAL ISOLATORS-DIV I DIESEL GEN #12 CONTROL PANEL DIESEL GEN #11 CONTROL PANEL
  4. 13-4.16KV SWGR
  5. 15-4.16KV SWGR NORMAL
  6. 1-MAIN GENERATOR EXCITATION
  7. 109-480V LOAD CENTER 4.16 KV BREAKER INSPECTION BOX SPACE SPACE SPACE SPACE SPACE SPACE 100 70 70 70 70 C-193 60Q RELAY POWER SPARE SPARE 60 35 35 60 60 60 70 60 30 15 15 60 60 60 30 15 D21122 D21118 C91 A408 E304 A308 A307 D21120 D21112 D21111 B9 A10 C92 C91 B4 C83 C243A B3 C325 C101 X02 B1 D21108 CIRC WATER EXCITER RELAYS 15 DESCRIPTION NOTE-1 ROUTING SEPERATION LOC.

E50 D21119 D21120 D21122 D21118 22 20 21 19 18 D21102 D21108 D21109 D21105 D21104 D21107 D21106 D21113 D21112 D21111 D21110 14 16 15 13 12 11 17 10 3 2 6 7 8 9 4 5 100 100 100 100 100 100 70 70 70 70 100 60 60 60 60 60 60 60 30 30 30 60 60 60 30 30 60 35 35 35 60 60 70 60 30 15 60 60 60 30 15 1R RES TRANS CONTROL

  1. 1-MAIN TRANS CONTROL - CABINET C-520
  2. 102-480V LOAD CENTER
  3. 104-480V LOAD CENTER NORMAL
  4. 108-480V LOAD CENTER DIESEL GEN #11 CONTROL PANEL DIESEL GEN #12 CONTROL PANEL
  5. 15-4.16KV SWGR STANDBY (NOTE 3)
  6. 16-4.16KV SWGR NORMAL DIESEL GENERATOR #12 FIELD FLASHING 4.16 KV BREAKER INSPECTION BOX
  7. 103-480V LOAD CENTER STANDBY (NOTE 3)
  8. 14-4.16KV SWGR SPACE SPACE SPACE SPARE SPACE SPACE SPACE SPARE SPARE SPARE SPARE C-194 60Q RELAY POWER SPARE NUMBER D21101 SCHEME NO 1

CKT FUSE AMPS AMPS SWITCH RATING 30 NOTE 2 15 CIRC WATER EXCITER RELAYS DESCRIPTION REV E-110 SH 3 MONTI CAD DWG ` ' NE-36640-3 BAT 5-23-13 SMA 5-23-13 CTP 5-23-13 REVISIONS SCHEMATIC DIAGRAMS 125, 250 & 24 VOLT DC SYSTEMS Energy NORTHERN STATES POWER COMPANY Xcel sm C92 A408 A308 A407 A20 C91 C92 B7 B3 X03 C326 X01 B2 B4 D11122 D11119 D11118

  1. 6
  2. 2
  3. 6
  4. 6 D11112 D11111 D11105 D11108
  5. 6
  6. 6
  7. 6
  8. 6
  9. 6
  10. 6
  11. 10
  12. 6
  13. 6
  14. 6
  15. 10 SCALE:

NONE LOC. E60 NOTE-1 ROUTING SEPERATION SIZE

  1. 10 WIRE CHK:

APPR: DWN: 84 21152,21159 EC 85 Y D21102 6MOD00026181 APPR: 600000450190 CHK: DWN: 600000452934 JJP 11-16-18 85 85 D11102 85

  1. 10 C-193 85 85 C-194

NE-36640-4 il<l3-250V BATTERY 7'/e. AH 8 HRS i--------1: I I I ~ I I :~-- 1?.5 V. TAP ,* 1--------+---------, ) ) I ) D'3A ~ D~f:, ~ l~-.Z'5o Y i; 1'2.'::l V Ql- 061'~1!'.iUflON (l,\\.\\~NN~v 1) ('Sl-1-\\~M~ "S\\.\\OWN Ot--\\ DWb. 1-110 1 "51-%. 4A, 41:S, 4-?) 1() twr. ll1! a, f'Af-l~lt \\?"'.>I S!i:'t £1*110, ':>It. 4 ~ (/VG -,t,,(,,40 - 4 B) ~ _D'!>'? ,---- -- ~----7 le,: ~I I '-+---~I I I I I I r ~ I:ll ~, - ,, ~ J>l~}-125'/. DC DISTR. PANEL 033 J jSEE SCHEDULE THIS SHEET FOR-I SWITCH $ FUSE RATIN<.S. PAtlEL ~RRAttC.EMENT_! ~IRC'::,_l' ~O.:__j

  • 13-250V DC DISTRIBUTION PANEL D31

&tHEMF: CKT BREIIKER DESCRIPTION NO NO AF Ar D'3 I 400 ~2~ 81\\TT!RV GHARGE!R,IO 54 P~ 4 400 ,i-J,$ 81\\TTEAY CHARGlR II- 0 '=>"3 5 /50 as SPARE 0'3106 6 /"SO as PLAt\\T E.VACUATION ~lREN POWl!Q,, 7 /50 ~PARE. D3 8 ISO JOO 9 400 150 SPAR!a 0~110 10 400 ltl(\\I - 250V, MCC (R<:. IC) 03111 11 ,µ,o H< 133 - 250'/. MCC ( ~ EACT. Bl.Dia. )'!AST) D.31 Ii!. It 400 2'2S 0Iv1:::.10N I I20VA<- UP5 Y71 13 400 2.50 SPARE 14-A SPACE '5CHEM£ C.KT 5WITCH FUSf. RAllN' NO. NO. R/\\Tlt\\G AMPS 01:.SCRIPTION AMPS LOC. WIRe: SIZE oi?>4 1-'1'.t/o p~'l 1-* Yo Q<;!i <), - D!S?, 1"11 Ya N:!106 #IO A. oa?i (#1/0 - 0311 asoMCM 0313 2.~0MCM '( 11 2'3'0MO I D33 I s1{:::N&) SCl-!EME £13303 WIRS: MANDATORY ROUTHI<\\ LOC. ~IZE SEPARATION R!QUIP.eMENT 03301 I 30 a\\O 1t13I-2.!50V OC MCC 0311 -ir10 0~02 °~l33-i5ov OC Mc*c -~-i.-,o

2.

30 30 3 30 30 !)330,--,-;;+--+---+----t-c:ec* =--o-i-:-::s ANAL04 Tfi?IP tl#/r (>?aJA.,,,o 4-30 30 SRV LOW [OV,.l SETCONTROI. DIY.1 cas~A fJO SEE NOTE! I 5 ~ 35 G 30 30 30 15 a 30 15 NOTES

r. Sr!.PARATION SHALL BE 11-C'ACCQRQANCE WIT!-/

DESIGN SPEC. NSP48*03'1, Da 9 PAN!; l.- ARRAN61!ME'NT CKT I {.;/t.,1' *£. CKT !> Cic;. r 4 Cl<.T ~ C~ :r lo GKT-, c.1c l"H- ~ N, PI @(i; t:.AWG) I 03::, 1-- 1133300 I 5CI-/E/'1E D3305 -*BLOGK OIAG>RAM.i!OB 5C\\;-\\SMI::: 03~05_ REVISIONS ~ EC 20129, 20056 DWN: JJP 7-25-12 CHK: BAL 7-27-12 APPR: NJF 7-30-12 This map/document is to assist employees in the performance of their jobs. E 11 Q SH 4 Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs. manuals and SPAR's. MONTI CAD DWG K ' 250V DC DISTRIBUTION & PANEL SCHEDULE D31, D33 MONTICELLO NUCLEAR GENERATING PLANT SCALE: NONE I REV 76 1J, Xcel Energy ~ORTHEn< S-,\\TES POWER COMP,\\NY NE-36640-4

~----------------------------------------- r---:::::---,---,-------r----------------------------------------------------Z-----------------~----,--,--,---:---:---:---:---:---:---:-----:---:---,-"'"'""'----------*-------....----::=.:==-**** NE-36640-4-2 N(1t~: =-- I r:;:l 12~5V. ocooTERY ! '125V DC BATTERYl PLAMT EVACUATION ~25V DC DIS[ pt-Jt!#'131-25CN MCC 0311 IOIV I 12.0V~ CHARGER 052 I !<:HARGER Q23 I SIRE":!. N3,oa, ID33(E110,SH. 4) I FEED, SEE TABLE I VRS Y71 1 L ' SEE 1ABLE PNL. D31,-(NE-a6640-4}, PNL. D31 1<owc.. E=iio !:)"'.if ifil-___ ot:ti i o~l d-X E-1'\\0, SH. 4 I -'+) ~)I E-'110, SH.4 1 o<+) __ c-r.!.'*'YI 2P J'N -r 4 p 4N (NE-36640-4) '--:-¥'----,....... {NE-36640-4) ---r- -~ ,-~ 8 8 N A \\ I~ P 'N * .-----*------------- ----- -1*---------- --f---'----f--------- (SEE NOTE4) 03~ I C.Kt".G; e*!o")..1= 35,0...T CKt 8 (l 150Af 100AT ~-~2~-c \\c 400AF 225AT (._ ~~ _!2_ -( \\ 40QAF 225AT SPACE 1 e.oo,... N\\\\ l / r-----.~-0:-t-~-~~*!i4-++--~f"b--{* }---<>-+----l*--+----* --+-----+---l----+--l----+---~I----+-------,.,.---- ~{ i-' "* "'.,,.l°*11 -.P-il....,_"" --~-+... - _-_-_-_-_-'--pf I l?t ~~i===::::;---pt . ~ CoO { .L{-~ 151)*50 1 1-~U\\.l'T J C.,_._._$

  • :;:: 125V.

\\. c+> P 1 eoo... Ptt.

Old"-P2..&..;,,a.....,_+,o,'9 o,..o,..,t---o 1:J-fi:jO-~.;,:..;.f----+----t-----f.-~J------11--... ---+---1~----l:.,_-* ---+~--..~----j~----

D31 03,P>. 03A & D3B

  1. 13-125 250V DC BATTERY 742 H, 8HR. RAT.E 6 CKT".S -{

cl CKT. 7 f-E~J... !t_( lSOAtt 1soAF-400AF 35.oq-35AT 150AT I -=----v---==> i -v v 1-------------t==-=-::-=-=-=-=-- SPARE SPARE SPARE 250VOC 125/250V.OC DISTRIBUTION CABINET D31 SCHEME NO. D3 (CHANNEL 1) ~51SJE--( ~£~1-!-( SPACE 400AF 400AF 250AT 225AT 6 v / "\\ J

  1. 133-250V MCC SIHHE Q31:3 FEED e'50VIX' SEE PNL 031 DWG. E '110,SH.4 (NE-36640-4)

I I I c" P1(U} 4-'2/0 C3A P~($)(150} Pa(H) {150) P'\\ {R) (150) 500 MCM 031 R£Pt.AOOIENT/UFCRADE

1.

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

2.

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

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

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

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

~J04~ 4

s.

EltISfl!E l'ffl. 1)31 IS BEPLACED WITH A lU!:W 1'1'IL 1>31,znc CRR/1.'RR: M0-69-116 PUl.tCltASED*UNDm H/a 10040-E-120(Q) * 'DW PAN'...:i. TAIIL!: C!lft,; KB 10-25-69 SHOWN ON TRIS DUWt:~ SHEZT 4. CHi<: JDS 11-8-89 MOO: S'iZ006 03B RLMEO: 1-23-90 ~--P1{L)(150} ---N1 (Q}(1!SO) <A--*-M1( K)(150) 500MCM AS-BU11.T: Rt\\llS£0 TO REl'L"CT ltiE BAnERY UPGRADE PROJECT ...,.___.2P(t>)(101} +.--4PI.F)t101)...,__.1P(H)(101) +--aP{p) "'3/4/o ""1io ,,.1/0 t..o AWG PER ORR: M0-04-0228 OWN: JJP 11-1-04 Q\\I(! W 11-*~*o"\\ MOO: 87M014 1'\\<-2N(E)(101} 4N(G)(101) 1N(J}(101) SN (N)(SEE NOTE1) 052 053 D54 D.33 I SCHEME D3 CLASS 1E CABLES "7.( C~H'iiA";;N~ 1 N~E:::-Lj'-'-~I.l)~lb:;:is_mtJP. v'd:"."'ocum--on-:-t NI::-. -:-,o-o-,s..,.is~t ~-~-s -:-in--:th::-o-p-~~- --uf-:-::thoir~.:"""jol,8.7". :-,-E ___ 1_1:..** o--S-H-.4-8-1 Your pen,ono/ 8aloly Is pnwlded for by usfn9 safety pract:..w, ~ Qtld ,oq~nt as dft#ribod in wety training progrorrn;, mamx,rs and sPAR!,. ONTI RAS1ER OWG F SIGNIFICANT NUMBER 8700 RX 1 1 125 GROUP I 2 3 4 MONTICELLO NUCLEAR GENERATING PLANT 125/250V DC DISTRIBUTION CAB. D31 SCHEME NO. D3

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

  • IQ *4)

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

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

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

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

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

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

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

2.

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

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

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

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

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

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

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

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

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

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

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

  • ZOA I

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

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

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

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

SW-234-2 SW13-4"-HF SW25-4"-HF REACTOR BLDG. COOLING 17-351 C10 RT 17-333 R PRM001 SW-180 1" 2" SW28-1"-JF SW61-2"-GC A 2" B 3" C TO CIRC. (A,2) NH-36489 M-800 DISCHARGE SW-174-2 SW-175 2" 6 SW6-24"-JF REACTOR BLDG. & OFFICE BLDG. TORUS AREA SSW101 SW RAD MONITOR HS P127 SAMPLE PUMP (PNL L42, BKR 14) PI 4957 SW-222 SW-174-1 2" YS 4657 SW-177 2" 2" 1" TE 5014 T PI 4958 1" SW-178 SW-176 1" P127 S.E. CATWALK SW61-1"-GC 1" SW-183 NH-36041 M-110 (A,4) SW5-8"-JF SERVICE WATER FROM FLUSH NEAR ELEVATOR SW-181-1 1" 3/4" (ROTAMETER) 3/4" NORMALLY VALVED OUT TO MINIMIZE FOULING 1" 3/4" FI 4954 SW-226 SW-224 SW-225 RX BLDG. EL. 935' SW-223 OUT CONN. FLUSH PI 4960 SW-179 3/4" SW-181 SW-182 RW 17-332 CONN. OUT 3/4" R PRM107 A H C04 SW-227 C02 4902 RR 1" RM NH-36665 NH-36260 NH-36039 NH-36664 NH-36665 NH-36665 NH-36665 D E FROM RHR SERVICE WATER PUMPS P-109 A & C DEMINERALIZED WATER (FLUSH) HEATING STEAM FROM EMERGENCY SERVICE WATER PUMP P-111B FROM RHR SERVICE WATER PUMPS P-109 B & D RHRSW-46 NH-36247 (C,1) RHRSW-13 1"-19 GE GF ORW DISCHARGE (E200A) TO RHR HEAT EXCH. M-121 M-108 M-811 M-811 M-148 (C,2) (E,2) (C,2) (D,2) 8"-N26 RHRSW-14 BH-722 6"-54 TO FIRE PROTECTION SYSTEM NH-36048 (C,7) M-134 KB GF 2"-JB 8"-SP26 RHRSW-12 HS5-6"-JB SW9-8"-GF HS5-6"-JB 2"-JB FROM EMERGENCY SERVICE WATER PUMP P-111C FROM EMERGENCY SERVICE WATER PUMP P-111D FROM EMERGENCY SERVICE WATER PUMP P-111A M-811 M-811 (D,3) (D,5) 6 1"-130 RHRSW-9-2 RV54-2 1/2"-HB 1"-130 RHRSW-10-2 1"-130 RHRSW-10-1 RHRSW-9-1 1"-130 RV55-2 1/2-HB M-120 NH-36246 SW-153 SW6-4"-JF 5 2"-19 SW6-24"-JF 2"-HBD 4 SW6-3"-JF PI 10-117A EXCHANGER RHR HEAT SW11-16"-GF LOCKED NEUTRAL HBD RHRSW-26-1 L.O. JF GF RE 17-332 ORW 12" RHRSW-31-1 12" HF CV 1728 RHRSW-42-1 RHRSW-43-1 SX 1602 10-94A TE TW30-14"-GE NH-36247 M-121 R PRM002 A L C04 PI 10-99A GF JB (10-2A) (A,3) 11 E-200A M-121 NH-36247 (A,2) M-121 (A,3) NH-36247 RHRSW-31-2 1" 12" JF GF RHRSW-43-2 SX 1603 RHRSW-26-2 ORW NH-36247 RHRSW-44-1 TO dPT-10-91A TW29-14"-GE 16" ORW TW20-14"-GE (A,3) RHRSW-27-2 (B,6) GF PI 10-99B M-121 JB SW6-16"-JF 3 SERVICE WATER FROM WATER HEAT EXCH'S. SW-107-1 PI 10-117B LOCKED NEUTRAL 10-94B 1729 L.O. TE CV 12" TO dPT-10-91B RHRSW-44-2 NH-36246 M-120 2"-19 SW-154 (A,5) (B,6) NH-36246 M-120 (10-2B) SW12-16"-GF 12 EXCHANGER E-200B RHR HEAT TW19-14"-GE ORW RHRSW-42-2 16" SW-282 2"-HF 3"-HF M-110 NH-36041 (C,5) 2" PI 4401 2"-130 HBD HF SW-107-2 2"-130 2" HBD HF D188-1"-GF VENT SW60-1"-GF C03 10-132A FI RHRSW-6-1 D189-6"-GF DM-49-1 BH-316-1 6"-SP26 FLANGE SPOOL 2"-19 SEE NOTE 1 C.M. 16"-SP26 RHRSW-8-1 RHRSW-51 1"-19 RHRSW-22 RV 3202 ORW 1"-19 D183-1"-GF RHRSW-7-1 VENT 1"-19 3/4"-130 1"-19 ORW 10-96A FE D182-1"-GF RHRSW-5-1 FT 10-97A SW9-18"-GF F RSW102 RV54-4"-HB M-121 NH-36247 (A,2) V125-3/4"-GF 2"-JB D189-6"-GF DM-49-2 2"-19 BH-316-2 6"-SP26 (B.F.) 16"-SP26 RHRSW-8-2 RHRSW-32 SW25-4"-HF SW10-18"-GF FT10-111A C19 10-145A E/S 7189 HS C03 7189 FI C03 FT14-40A 1"-19 NH-36159 (D,1) M-142 10-96B FE SW10-18"-GF DM-86 5 SW30A-3"-HF SW30B-3"-HF SW13-4"-HF 4 MAINTAIN PHYSICAL SEPARATION RV55-4"-HB SW-106-1 V126-3/4"-GF NH-36246 RV 3203 ORW RHRSW-6-2 3/4"-130 1"-19 RHRSW-7-2 M-120 (B,6) M-110 (C,4) NH-36041 FROM E/S 4099 ORW FT 10-97B F RSW103 C292 4105 FY ISO RHRSW-5-2 D187-1"-GF 1"-19 E/S 4101 C292 4105 FI C03 10-132B FI 7188 HS C03 FI 6173A RO 6172A UNIT VENTIL. HPCI ROOM V-AC-8A 2"-19 FI 6173B RO 6172B VENTIL. UNIT HPCI ROOM V-AC-8B SW-106-2 2"-19 FE 4225B HF HBD 3" FT 4225B SW-104 3"-237 SW-103 JF HF FT14-40B FT10-111B C03 7188 FI SW-235-2 3"-237 ESW-58-2 PI 4404B FE 4224B 3"-237 ESW-59 ESW-4-2 3/4"-130 ESW-9 REMOVED INTERNALS UNDERGROUND 3 1"-19 FSW-1 SW-114 SW-248-2 SW-248-1 P&ID RHR SERVICE WATER & EMERGENCY SERVICE WATER SYSTEMS Energy MONTICELLO NUCLEAR GENERATING PLANT NORTHERN STATES POWER COMPANY This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. 3/4"-130 2"-160 SW-115 SW-113-1 2 Xcel SW-247-4 PI 4402A 3/4" SW-111-1 2"-HF 2"-HBD 3/4"-130 P-202A MOTOR SW-247-1 SW-110-1 PI 4402B HBD HF SW-109 2"-130 HBD HF RHR PUMP 3/4"-19 3/4" SW-111-4 3/4"-130 1" 1" PUMP SW-247-3 SW-159-3 SW-111-3 3/4"-130 P-202C MOTOR SW-159-2 4955 FI SW-159-1 3/4" 3/4" 2" MOTOR P-208A SW-247-2 RHR PUMP 3/4"-19 SW-110-3 SW-111-2 3/4"-130 3/4" 1" CORE SPRAY 3/4"-19 SW-112-1 1" 3/4"-130 SW-113-2 3/4" 3/4" NH-36664 SCALE: sm NONE 1 REV 97 CORROSION MONITOR COUPON IS ABANDONED. M-112 MONTI CAD DWG ` ' 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 UNIT NOTES: V-AC-5 3/4" 1. VENTIL. 2"-19 2" 3/4" AE A B C SW27-4"-JF SW40-4"-HF SW30A-3"-HF ESW-4-1 SW-102 HBD SW41-4"-HF PI 4403A TE 4759A STANDBY DIESEL GEN. G-3A STANDBY DIESEL GEN. G-3B 12 TE 4759B SW-260 2" V-AC-4 UNIT VENTIL. SW-108 C253A 4059B/D E/S 935' BUILDING REACTOR 3/4" PUMP P-202D MOTOR RHR 3/4"-19 SW-110-4 SW-233 FIS 4224A TE 4756B TE 4756A FIS 4224B C94 F ESW101 L A PI 4403B FE 4224A TE 4758B TE 4758A A C93 L 11 3/4" MOTOR P-202B 3/4"-19 SW-110-2 PUMP RHR SW27-3"-JF ESW-68 SW-259 P-208B SW-112-2 3/4"-19 PUMP SPRAY CORE MOTOR 3/4" SW-101 TE 4757B TE 4757A TE 4760B 2455 RO TE 4760A RO 2454 ESW-69 C94 ESW-66-2 4"-142 HF JF 3" 7197 PS HF L A ESW-66-1 4"-142 C93 PS 7196 A L 2 3"-327 NH-36041 SERVICE SW-235-1 SW-234-1 C253A 4059A/C E/S FE 4225A ESW100 F FT 4225A PI 4404A M-110 WATER (D,5) ESW-58-1 STORM SEWER HBD HF REMOVED TO D E REVISIONS INTERNALS 1 FLUSH OUT CONN. FLUSH OUT CONN. RHRSW-68 6"-EC23479 SEE NOTE 2 SW9-6"-GF FLEX CONNECTION (5" STORZ FIRE HOSE FITTING WITH CAP). 2. M-110 NH-36041 (A,2) EDG COOLERS E-300-1A AND E-300-2A EDG COOLERS E-300-1B AND E-300-2B SW-174 1" SEE NOTE 3 SW-171 2 1/2" MATERIALS AND COMPONENTS USED FOR BRANCH CONNECTIONS ARE DESIGNATED PER EC21541. 3. 4. ORANGE PIPING IS INTERNAL FLOODING RELATED.

5. DRAIN TROUGH AND ASSOCIATED ORIFICE AND DRAIN PIPING IS INTERNAL FLOODING RELATED (CODED ORANGE).

3" REACTOR BUILDING WALL PENETRATION MG SET ROOM WALL SEE NOTE 5 SEE NOTE 5 SEE NOTE 5 SEE NOTE 5 FLOOR PENETRATIONS 931' ELEV. I-ESW-P-6 I-ESW-P-5 I-ESW-P-7 601000000333 APPR: NEO 1-30-18 CHK: DWN: BAL 1-24-18 JJP 1-23-18 95 SW-160 2"-19 APPR: 600000686596 CHK: DWN: 600000677406 JJP 2-19-20 96 601000001601 ADDT'L. PAGE ADDED TO.PDF DOC. 601000002279 APPR: 600000750457 CHK: DWN: 600000764778 JJP 8-18-20 97 97 97

A C08 EMERG. DIESEL START WHEN GATE S-100C PI 1955 GEN. G-3A 13 STARTS MO 1978 18"-255 SW-1-1 XJ 1958 24"-418 SW-4 PS 2111 SCREEN REFUSE C107 HS 24"-418 SW-5 2"-462 SW-294 SW-293 RV78-1"-GF RV 3039 3/4"-19M3 RHRSW-47-2 RHRSW-48-2 RHRSW-50-2 RHRSW-49-2 3/4"-19 RHRSW-1-4 12"-SP234 RHRSW-2-2 RHRSW-59-2 NH-36666 (B,4) RHRSW-59-4 RHRSW-57-4 RHRSW-57-2 RHRSW-58-4 RHRSW-58-2 1"-HBD SCH. 40 HBD A 1"-HBD SCH. 40 B RHRSW-1-2 12"-SP234 STRAINER SEE DETAIL 1 DUPLEX 3500 GPM BKR 152-608 RHR SW PUMP P-109B PI 1946 C292 S25 HS SEE NOTE 2 3500 GPM BKR 152-607 RHR SW PUMP STRAINER SEE DETAIL 1 SW66-3/4" DUPLEX 14 P-109D 8 1947-4 1964-4 RO 10" PI SW64-3/4" RHRSW-52-4 3/4" 3/8" 10A-S20B SEE NOTE 2 10A-S21B C03 HS 3/8" 3/4" HBD C03 HS AV 3148 SW10-12"-GF 3/4" RHRSW-37-4 3/8" C292 S11 HS XFER 1500 GPM SCREEN WASH/FIRE NH-36666 (B,5) BKR 52-105 GATE S-100D BKR 2315 L O C C06 1964-2 RO 12 1947-2 10" PI POS 1979 MO 1979 1979 HS PUMP P-104 14 M-812 11 RHRSW-60-2 RHRSW-33-2 GF 3/8" 3/4" GF RHRSW-52-2 AV 3150 SW10-12"-GF RHRSW-37-2 RHRSW-60-4 RHRSW-33-4 4937B PS NH-36665-3 (D,2) (D,5) M-811 PI 1944 4937D PS HBD M-811 DIV II WATER PUMP L O C C06 EMERGENCY SERVICE 200 GPM P-111D (DIV. II) INSTALLED BY FIELD. BKR 2314 TO DESILTING LINE C03 4025B HS 4"-237 ESW-1-2 START WHEN STANDBY DIESEL HS TO CIRCULATING WATER PUMP P-100B (B,8) MAKE-UP PUMP A C08 GEN G-3B STARTS 14"-415 CW-7 M-800 7 11 1500 GPM P-110 FIRE PUMP BKR 52-406 M-812 PUMP CONTROL CIRC. WATER NH-36489 14000 GPM BKR 2324 SW28-24"-JF 12 P-103B 1 1/2" 4937B HS 4937B SV 4937D SV RHRSW-55-2 SW55-1"-HBD SCH. 40 4937D HS 1"-19 RHRSW-20-4 RHRSW-20-2 1"-19 (C,2) NH-36665-3 M-811 C08 10A-S22B HS 1977 HS WATER PUMP P-111B EMERGENCY SERVICE 500 GPM A L C08 BKR 4319 12 MO 1977 6 POS 1977 12 GATE S-100B PS 2439 3/4"-19 ESW-72-2 SW25-4"-HF STANDBY DIESEL C292 S13 HS C292 S25 HS C101 XFER 1/2" TUBE ESW-73-2 START FROM HOT ENGINE ALARM ON GEN G-3B A C03 LOSS OF POWER SIGNAL CH. 2 PS 4112 PI 2437 D.G.G3B 1/2" TUBE ESW-71-2 ESW-70-2 3/4"-130M3 AV 3156 EF NH-36666-2 PUMP P-102C BKR 52-204 SERVICE WATER AV 3153 18"-418 SW-1-3 18"-255 SW-2-3 12 8000 GPM PUMP P-102B SERVICE WATER BKR 52-405 SW28-4"-JF C292 S40 HS C292 S25 HS (SEE C-514) 14 XFER SW-152 C C06 HS 18"-418 SW-1-2 18"-255 SW-2-2 STANDBY START 4"-HBD A L C292 PI 4399B C292 S25 HS XFER NH-36665-3 (C,5) SWI-18"-JF PI 1956 C STANDBY START XJ 1959 (C,1) M-812 SW35-12"-JF FLOOR PENETRATION 5 8000 GPM 13 BKR 1315 L O C C06 11 PUMP P-102A SERVICE WATER BKR 52-706 8000 GPM PI 1957 AV 3154 C06 HS SWI-18"-JF 1 2" SS TUBE 24" XJ 1960 JF C06 HS STANDBY START SWI-18"-JF SW-91 3/4"-462 18"-418 SW-3 8"-150 C SW-2-1 M-811 ESW-27 RHRSW-25-2 SW62-3/4" 1"-19 3"-HBD NH-36665 C D FULL BORE SPACER ONLY ( ) RO 4258B RHRSW-39-2 RHRSW-38-2 RHRSW-24-2 12"-SP26 SW10-18"-GF BLDG SW21-6"-JF 1"-19 RHRSW-54-2 RELATED SAFETY TURB REMOVED 12"-SP26 SAFETY SYSTEM PUMP CONTROL FROM RHRSW-34-4 RHRSW-34-2 GF GF A H C03 RHRSW-2-4 dPIS 1954 INTAKE SYSTEM TROUBLE (C,6) HYPOCHLORITE SYSTEM NH-36666 TO SODIUM M-812 NH-36041 M-110 (E,1) TO VEAC-14B 1"-HBD SCH. 40 1"-19 RHRSW-21-2 C101 A C06 INTERNALS 1"-19 RHRSW-21-4 1"-19 1"-GF RHRSW-53-2 DRAIN FLOOR BLDG EFT 18"-26 RHRSW-4-2 SW57-16"-GF RHRSW-28-2 RHRSW-3-2 RHRSW-29-2 BS 1952 16" RHRSW-63-2 18"-26 L.C. TUBE / 1 EF 2 18" GB LC BUILDING SW-10 ESW5-3"-HBD CHLORINATION RHRSW-56 STRUCTURE INTAKE 6"-54 8 ESW5-4"-HBD 1"-JF STRUCT. INTAKE BLDG TURB 4"x3" ESW5-3"-HBD CROSSTIE TO/FROM 1" HBD ESW-87 4"-HBD-GT 4"-HBD-GT ESW-19 ESW-23 ESW-21 SW21-4"-HF SW10-18"-GF SW21-4"-HF SW-292-2 JF SW21-6"-JF PI 7361B RHRSW-23-2 3/4"-130 PI 7331 SW-21-2 SW-238-2 SW-237-2 PCV 3005 RHRSW-19-2 RHRSW-45-2 RHRSW-18-2 dPI 2415 SW-22-2 GF JF GF SW-228 SW-229 4" 4" HF A L C242 4"-29 ESW-5-2 ESW-3-2 ESW-3-4 4"-29 4"-29 SW-232-1 1"-156 SW-20-2 SW-236-2 P-111A 4231 FIT ESW-53 1"-CBA-GB PIS 4023 4"-HBD-CK INTERNALS REMOVED PT 4023 4"-JF SW-239-1 SW-239-2 SW-232-2 4"-JF ESW-67 3/4"-CBA-GT 7 6 ESW-75 SEE NOTE 3 1"-29 SW59-4"-HF NH-36666-2 A H C101 SW28-4"-JF ESW-10 ESW-41 1"-CBA-GB 4"-JBD-GT ESW5-3"-HBD 4"-HBD-CK ESW-39 ESW-13 4"-HBD-CK ESW-29 1"-HBD-GB ESW-51 1"-CBA-GB YS 111D 1"-HBD ESW-17 4"-HBD-CK 4231 FE 4" ESW-50 1"-CBA-GB 4"-29 ESW-14-1 POINT HIGH A H C242 dPIS 4021 AV 4026 H M-812 (C,4) C.M. ESW-52 1"-CBA-GB ESW-14 ESW6-4"-JBD ESW-6-2 ESW-12 TO DESILTING ESW-62-2 SW21-10"-JF FE 4259B LINE (A,5) 4"-JBD-GT SW-8 4"-54 ESW-60-2 SW30B-3"-HF FI 4259B SW-7-1 dPS 2358 dPIS 1963 SW-6 20"-418 SHC-31 SHC-26 1 1 2" I-SSW-P-2 12" BS 1962 SW-268 AUTOMATIC STRAINER 4" SW-92 F-101 I-SSW-L-2 DRAIN I-SSW-P-1 SW-269 SW-268-1 SW-7 20"-418 SW-269-1 ESW2-4"-JBD 4"-JBD-GT ESW-11 20" NH-36664 M-112 (E,6) I-SSW-L-1 SWI-24"-JF 5 BS-1954 RHRSW-47-1 3/4"-19M3 SW56-1"-HBD SCH. 40 RHRSW-48-1 RHRSW-50-1 RHRSW-49-1 3/4"-19 3/4"-19M3 (C,4) NH-36666 PS 1961 RHRSW-24-1 This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. 3/4" MARK 130 VENT AT ALL HIGH POINTS IN LINE AND P&ID SERVICE WATER SYSTEM & MAKE-UP INTAKE STRUCTURE LIMITED FLOW IS ALLOWED WHEN THE SURGE CHECK MONTICELLO NUCLEAR GENERATING PLANT CORROSION MONITOR COUPON IS ABANDONED. VALVE IS IN THE CHECKED POSITION. 1" MARK 19 DRAIN VALVE AT ALL LOW POINTS. RHRSW-59-1 RHRSW-60-3 RHRSW-59-3 RHRSW-57-1 RHRSW-60-1 RHRSW-58-1 RHRSW-57-3 RHRSW-58-3 GATE S-100A POS 1976 RHR SW PUMP 3500 GPM BKR 152-507 DUPLEX SEE DETAIL 1 STRAINER P-109C RHRSW-52-3 C03 HS SEE NOTE 2 AV 3149 A C03 PUMP CONTROL CIRC. WATER TO CIRCULATING WATER PUMP P-100A EMERGENCY SERVICE WATER PUMP 200 GPM INTERNALS REMOVED DRAIN FLOOR PS 2438 A L C08 1978 HS POS 1978 WATER PUMP EMERGENCY SERVICE BKR 3435 INTERLOCK 11 500 GPM P-111A 4 M-800 PI 4399A (DIV. I) 13 P-111C SWI3-4"-HF C08 10A-S22A HS AV 3152 1/2" TUBE ESW-72-1 ESW-73-1 ESW-1-1 4"-237 3/4"-19 L NH-36665-3 (C,2) L 4"-HBD PI 2436 C03 4025A HS DIV.I AV 3155 1/2" TUBE EF ESW-70-1 NH-36665-3 (C,5) M-811 ESW-71-1 P-103A 11 PUMP MAKE-UP BKR 1324 14000 GPM NH-36489 (B,8) LOSS OF SIGNAL POWER D.G.G-3A CH. 1 1976 HS CW-6 14"-415 SW27-24"-JF SW65-3/4" 1"-19 RHRSW-53-1 RHRSW-2-3 12"-SP26 RHRSW-37-3 HS C101 1"-19 SAFETY RELATED RHRSW-21-1 1"-GF 3/4" RHRSW-34-3 SW9-12"-GF PI 1945 10" 3/8" RHRSW-21-3 1"-19 REMOVED INTERNALS GF 12"-SP234 RHRSW-1-3 PI 1947-1 RHR SW PUMP BKR 1314 MO 1976 3 L O C C06 RO 1964-3 11 13 SW63-3/4" 1947-3 PI BKR 152-508 3500 GPM P-109A SEE DETAIL 1 STRAINER DUPLEX 11 1964-1 RO 1/2" TUBE 3/4" 3/8" RHRSW-52-1 3/4" 10A-S21A RHRSW-37-1 PI 1943 3/8" RHRSW-34-1 GF RHRSW-1-1 RHRSW-2-1 12"-SP26 12"-SP234 SW9-12"-GF 10A-S20A C03 HS 3/8" 10" NH-36665-3 (D,2 (D,5) M-811 SEE NOTE 2 AV 3147 GF 11 DIESEL FIRE PUMP P-105 NH-36666 (B,3) M-812 1500 GPM 2 NOTES: 2. 3. 1. FROM SAFETY SYSTEM RHRSW-33-1 3/4" GF PUMP CONTROL RHRSW-33-3 1/2" TUBE 4937A PS 4937C PS DPIS-1955-3 DPIS-1955-4 DPIS-1955-2 NH-36665 MONTI CAD DWG ` ' M-811 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 BS-1960 BS-1959 BS-1958 BS-1957 BS-1956 BS-1955 Energy NORTHERN STATES POWER COMPANY Xcel sm 1"-19 RHRSW-20-1 RHRSW-20-3 1"-19 4937A 4937A SV HS 4937C HS SV 4937C P-109C P-109B P-109D SCALE: NONE 1 COLOR LEGEND QUALITY GROUP D RHRSW-64-3 RHRSW-64-2 RHRSW-64-4 RHRSW-65-3 RHRSW-65-2 RHRSW-65-4 104 AY A B RHRSW-18-1 SEE NOTE 3 SW1-24"-JF SW-19-2 SW-19-3 SW13-4"-HF SW25-4"-HF INTERNALS REMOVED ESW-45 1"-CBA-GB POINT 4"-HBD-CK ESW-24 INTAKE STRUCT FE 4259A ESW-60-1 ESW-62-1 SW9-18"-GF ESW-43 1"-CBA-GB A H C03 4"-29 ESW-3-3 RHRSW-54-1 1" HBD ESW-83 4"-HBD-CK ESW-18 3"-HBD-GT ESW-20 1"-JF BLDG TURB 4" TO TRAVELING 4" BACKFLUSH TROUGH 4" M-812 SW32-4"-JF HS 2358 MO 2358 C107 L O C C107 ESW-2-2 P-111B TO/FROM CROSSTIE SPOOL REMOVABLE 4"-29 ESW-3-1 ESW-2-1 ESW-40 1"-CBA-GB ESW-15 4"-29 ESW-5-1 TO VEAC-14A M-110 SW13-4"-HF NH-36041 (D,1) BLDG EFT ESW1-3"-HBD ESW2-4"-HBD ESW1-4"-HBD 4"-HBD-GT ESW-38 ESW-30 1"-HBD-GB 4230 FIT YS 111C ESW-22 4" FE 1"-19 4230 3"x4" 3"x4" 1"-HBD 4" dPI 1981 ESW-7 A H C242 dPIS 4020 AV 4024 H ESW-44 1"-CBA-GB 4"x3" HIGH 1"-CBA-GB ESW-42 ESW-28 ESW-16 ESW-16-1 4"-29 ESW1-3"-HBD 3"-HBD ESW-6-1 4 3"-54 PT 4022 PIS 4022 RHRSW-63-1 RHRSW-29-1 RHRSW-38-1 dPIS 1953 BS 1951 RHRSW-39-1 RHRSW-28-1 SW58-16"-GF EF 18"-26 RHRSW-4-1 GB 18" ESW-61-1 M-112 A L C242 NH-36664 TURB BLDG FI 4259A SW30A-3"-HF 3" (E,6) SW61-3/4" REMOVAL HEAT TO RESIDUAL HEAT 1"-GF PI 7361A RHRSW-3-1 18"-26 RV79-1"-GF 1 1/2" RV 3038 L.C. HBD RHRSW-25-1 1"-19 SW10-18"-GF SW9-18"-GF RHRSW-23-1 3/4"-130 PCV 3004 RHRSW-19-1 RHRSW-55-1 RHRSW-45-1 EXCHANGERS NH-36664 1"-19 SW-238-1 LC (E,6) M-112 SSW-1 M-811 NH-36665-2 (D,4) 2"-65 SCREEN HOUSE 1"-JF SW26-3"-JF SW-19-1 1"-JF ESW-25 ESW-8-1 SW-19 1"-29 ESW-74 SW-23 C.M. 3 2 STRAINER DIFF PRESS DPIS-1955-1 SW-236-1 STRAINER BS-1953 ESW-8-2 SW-22-1 PI 7332 SW-292-1 SW-237-1 SW-21-1 GF GF RHRSW PUMP P-109A NO. SW-20-1 JF TO STANDBY DIESEL GENERATORS NH-36664 TO FIRE JOCKEY PUMP M-812 NH-36666 (B,1) TO SERVICE WATER SYS. M-110 NH-36041 (E,4) ESW-61-2 (E,6) M-112 3" RHRSW MOTOR COOLING DETAIL 1 SUPPLY STRAINER RHRSW-65-X RHRSW-64-X RHRSW-64-1 NO. STRAINER SELECTOR VALVE EQUALIZING RHRSW-65-1 STRAINER VALVE 1955-X dPIS 19XX BS 19XX INSTR 1 REVISIONS C D 4"x3" 4"x3" ESW-97 ESW1-4"-HBD ESW-96 4"x3" JBD 26939 APPR: AJW 4-12-16 CHK: DWN: AJR 4-12-16 JJP 4-11-16 98 EC DUPLEX STRAINER SEE DETAIL 3 DETAIL 2 BS 2414A 2414B ESW-99-2 ESW-98-2 24348 APPR: AEA 4-25-16 CHK: DWN: AJR 4-25-16 JJP 4-25-16 99 EC DUPLEX STRAINER SEE DETAIL 2 DETAIL 3 BS 1980A 1980B ESW-99-1 ESW-98-1 15711 APPR: NEO 12-14-16 CHK: DWN: BAL 12-14-16 JJP 12-13-16 100 EC 21429 APPR: TKN 5-10-17 CHK: DWN: BAL 5-10-17 JJP 5-2-17 101 EC ESW-15 AND ESW-16 ARE STAINLESS STEEL PER EC21429. 4.

  • SEE NOTE 4 HBD 601000000410 APPR: DAM 1-24-18 CHK:

DWN: BAL 1-24-18 JJP 1-24-18 102 601000000462 APPR: TKN 6-21-18 CHK: DWN: BAL 5-11-18 JJP 5-10-18 103 SW-21-1, SW-21-2, SW-22-1, AND SW-22-2 ARE IN-LINE CHECK VALVES PER EC 601000000462. 5. 104 SEE NOTE 5 601000000462 APPR: TKN 9-6-18 CHK: DWN: BAL 9-5-18 JJP 9-5-18 104 SEE NOTE 5 104

3"-425 4" BACKFLUSH 2" 6" L C20 A H C101 1"-KB TSW-7-3 3"-54 1933 PS PUMP SKID #12 SHC-6-1 4238B PI SCREEN WASH/FIRE PUMP START SCREEN DRIVE - HIGH SPEED M-131 NH-36049-3 (D,3) FM2-10"-KC 1/2"-156 SW-13 2114 FIC 4956A AO SHC-8-1 NH-36666 AI-807-2 AI-807-1 WATER PUMPS FROM SERVICE M-811 NH-36665 (D,8) A 1 1/2" PVC OR CLASS MB SHC-61 B C D E CLASS MB 1" PVC OR SHC-6-2 SHC-16 1" PVC OR CLASS MB 1 1/2" PVC OR CLASS MB (D,6) NH-36666-2 1 2" SHC-3-2 1" PVC OR CLASS MB SHC-2-2 SHC-4-2 2" FILL 1" SHC-1-2 6 (D,6) NH-36666-2 T-105 2000 GAL. BROMIDE 1 2" VENT SHC-3-1 SHC-29 SIGHT GLASS SHC-5-2 SHC-1-1 2" FILL HYPOCHLORITE 6000 GAL. T-104 SODIUM 1 1/2" SHC-2-1 SHC-4-1 C100 4"-425 SHC-22-1 A TROUBLE M-131 NH-36049-3 (D,3) 4232A HS SHC-15-1 2480 CV 15 MINUTE 24 HOUR PUMP SKID #11 1 1/2" PVC OR CLASS MB P119A SHC-14-1 T-106 SHC-9-1 4249A YS C106A C106A 4233A HS 4248A YS 4231A HS 150 MIN TIMER TIMER 24 HR SHC-24-1 P118A C106A A SW-11 4"-54 4"-425 6" T-108 4252 PI 4238A PI 4250 PI 4239A AO SHC-10-1 SHC-18-1 C101 SW21-4"-JF 2480 SV C100 4227A PS 4228A PS TIMER A H C06 A L C06 2115 LS AI-808-2 2115 FIC C100 AI-808-1 LEVEL (EAST) BASIN C 2115 DLS C100 C100 OR A H C06 C100 6 TIMER M-810 NH-36516 (D,7) 4227B PS 2481 CV SHC-8-2 SHC-21 P118B 4249B YS 150 MIN TIMER C106B 4233B HS 4231B HS C106B TIMER 24 HR 4956B AO 4248B YS A 4"-425 4"-54 SW-12 4239B AO T-107 SHC-9-2 P119B SHC-24-2 SHC-14-2 C106B SHC-20 VENT T-109 4253 PI 4251 PI 2481 SV 4232B HS LT 5200 2114 DLS C OR SCREEN C100 BAR RACK C06 C06H-5 E/S 2112 DLS L CWT104 AI-810-2 AI-810-1 TO YARD 2114 LS A L C06 C100 (WEST) LEVEL C100 BASIN 2113 FIC AI-805-2 AI-806-2 2112 FIC AI-806-1 AI-815-2 AI-815-1 AI-805-1 C100 C100 FP-241 1964 PI 10"-249 1966 SW22-8"-KB 3/4"-19M3 FP-243 FP-242 10"-42 F-103 FP-7-2 TSW-7-2 3"-54 SOLUTION DIFFUSER (TYP) SODIUM HYPOCHLORITE SH20-3"-MB 1"-425 SH20-1"-MB TSW-15 BKR 52-105 SHC-5-1 5 SIGHT GLASS SH20-4"-MB SH20-1 1/2"-MB PCV-3159 3"-425 SHC-12 M-811 NH-36665-2 (A,4) M-811 NH-36665 (B,7) TO SHC-11-1 C101 MANUAL JOG SHC-22-2 SHC-15-2 4"-425 SHC-10-2 SHC-18-2 SH20-4"-MB 1862 VRV 1" M-811 NH-36665-3 (B,5) SW-14 4228B PS SW-273 1 1/2" 1/2"-156 FLANGE 2" BLIND FP-80 STATION

  1. 36 TSW-6 HOSE DIP TUBES AI-809-1 AI-809-2 AI-804-2 AI-804-1 5

FP-80-1 KC KB PANEL C100 HS C100 TSW-7-8 SW23-8"-JB TSW-16 TSW-5 8"-54 8"-42 TSW-4 1969 BS KB FIRE PUMP P-104 1500 GPM SPOOL PIECE TSW-2 REMOVABLE WASH/ SCREEN 10"-249 TSW-1 10"-42 HS SW23-10"-KB 11 L.O. C101 JB 1970 dPIS 8"-54 TSW-9 8" A F.C. H SW23-10"-KB 1982 PI FP-12 3407 RV 8"-42 TSW-12 TSW-14 1 1/2" TSW-8 10"-249 TSW-3 3151 AV 3408 RV 2"-JF 4"-JF L.C. AV FP-9 NH-36665-3 NH-36665-3 M-811 M-811 1971 SV 4"-42 TSW-11 (C,2) (C,5) 1971 CV 1971 PC 1/2"TUBE N.D. STILLING WELLS SWB-2A & 2B STILLING WELLS SWB-1A & 1B TSW-18 TSW-13 TRAVELING SCREEN F-100D STILLING WELLS SWB-3A & 3B 2335 START HS 14 S-102 TRASH RAKE 1313 TSW-19 1934 PS TSW-7-4 TSW-17 3"-54 TSW-20 F-102 L.O. H CW-114-4 BKR 52-406 M-811 NH-36665 (B,7) FP-251 TO CIRCULATING WATER PUMPS SHC-11-2 1"-425 4 PCV-3163 M-811 NH-36665-2 (A,4) TO 1 1/2" 1 1/2" 3 SHC-11-3 1"-425 SH20-3"-MB P-110 START LOW PRESS. FM1-10"-KB P-104 START AND LOW LOW PRESSURE FP-8 1"-72 A H C101 M-811 NH-36665 (C,4) 4" BACKFLUSH SW32-4"-JF 4"-54 FP-11-1 1968 dPIS 10"-42 FP-46 TSW-10 A C20 HS FP-250 FP-10 10"-42 L.O. C103 SW22-10"-KB FP-240 1967 BS EF FP-11 10"-249 L.O. 1500 GPM 11 A C20 P-110 FIRE PUMP 3046 PUMP RUNNING FIRE 52-406 PS LOSS OF POWER SW32-4"-JF 1"-GF 3046 PI 1"-GF L LO C101 BACK HS TRAVELING SCREEN F-100B SW 23-8"-JB A L C20 1932 PS TIMER L.O. 2334 H (TYPICAL) 8'X4' OPENING 4 VALVE TRIP 1971 PS JOG 12 CW-114-2 1939 BS FP-14 10"-42 GATE S-104 NORMALLY M-811 NH-36665-2 (B,3) TO PCV-3164 CLOSED 1942 PI FP-13 FP-252 1938 RV RELIEF CONE L.O. FM1-10"-KB FM4-4"-JF L.O. 4"-54 FP-109 8" 1940 dPIS 1935 PI 1"-72 FP-47 STILLING WELLS SWB-4A & 4B TSW-7-6 HS JOG TSW-7-7 FIRE LINE LOOP TRAVELING SCREEN 13 F-100C 1335 BAR RACK CW-114-3 3 P&ID SCREEN WASH, FIRE & CHLORINATION SYSTEM INTAKE STRUCTURE M-812 MONTI CAD DWG ` ' NH-36666 9619 / 13786 JJP 11-30-09 REVISIONS NEO 10-5-10 SPECIAL CONCERNS ITEM SAFETY RELATED ELECTRICAL ASME CLASS 2/QUALITY GROUP B SAFETY RELATED MECHANICAL QUALITY GROUP D ASME CLASS 3/QUALITY GROUP C ASME CLASS 1/QUALITY GROUP A CWB 1-31-12 FP-6-1 M-134 NH-36048 (D,8) 10"-42 FP-7-1 L.O. SCREEN REFUSE TRUCK ROAD M-811 NH-36665 (B,2) VALVE IS NORMALLY OPEN WHEN CORR0SION MONITOR SLUICE WATER TO RIVER OR TO TRASH BASKET. DIVERTER PLATE USED TO DIRECT TRAVELING SCREEN COUPON IS INSTALLED. SHC-11-4 1"-425 SH20-1"-MB SHC-13 NOTES: 1. 2. 2 1 1/2"-19 TRAVELING SCREEN SET AT MANUAL CONTROL SW. F-100A JOG L C20 L C20 TROUBLE ENGINE TIMER 1941 3047 YS HS RUNNING 1500 GPM DIESEL DIESEL FIRE PUMP P-105 DRAIN LINE FP-112 11 FIRE PUMP FP-110 1937 AV 1" INTAKE ROOM DIESEL STRUCTURE C104 PR SEE NOTE 1 FP-245 HEAT EXCH. C.M. P-105 START FP-111 LOW PRESSURE 3048 PCV PS 1936 3049 PI FP-113 30 MINUTE 7 DAY OR OFF SW32-4"-JF H 3"-54 TSW-7-1 1334 1931 PS H HS 11 CW-114-1 INTAKE DIESEL FLOOR PENETRATION 2119 RO 2120 FG FP-244 FP-81 7936 DPI 8"-42 FP-5 FM1-8"-KB 1 1/2" RV65-8"-JF 7937 PI 1"-72 FP-3 1"-72 FP-4 1975 RO 1" FP-1 1"-263 1"-72 FP-2 10"-42 FP-56 FP-139 1"-KB STRUCTURE ROOM FIRE PUMP FM3-8"-KB INTAKE ACCESS TSW-7-5 BASKET PITS L.O. FP-6 FP-128 TROUGH TRASH 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. BECHTEL JOB No. 6453 NORTHERN STATES POWER COMPANY Energy Xcel sm SCALE: 1 COLOR LEGEND NONE 2"-65 SW-9 50 FT. OF 1 1/2" HOSE, ELECTRICAL FIRE HOSE STATION INCLUDING VALVE, M-810 NH-36516 (D,6) TO YARD HS JOCKEY PUMP FIRE SYSTEM 50 GPM P-106 1973 PI 1974 RV 1" FP-55 STRUCTURE TUNNEL KB KC FP-2-1 1/2"-72 SW31-2"-JF 1972 PI 1323 42-1323/CS FM2-10"-KC FIRE NOZZLE. SEASONAL SCALE INHIBITOR EQUIPMENT LEGEND: DIVERTER HOSE STATION FP-128-1

  1. 38 PLATE SEE NOTE 2 JIB CRANE S-109 2332 15" R.C.P.

RIVER TO CHK: KEC 8-11-09 WATER FROM SERVICE M-811 NH-36665 (D,2) AG 8-12-09 EC BAL 10-4-10 JJP 9-30-10 NEO 12-9-09 KJD 5-9-11 BAL 5-9-11 JJP 5-6-11 EC BAL 12-3-09 EC PEB 1-31-12 JJP 1-30-12 EC APPR: 85 DWN: APPR: CHK: APPR: CHK: DWN: 86 APPR: 84 CHK: DWN: APPR: 83 CHK: DWN: 17447 18619 16472 15238 1 EC ALG 2-27-09 KC 2-27-09 EC JJP 8-11-09 JJP 2-17-09 82 DWN: 81 CHK: APPR: DWN: 13881 AC REV 95 A B C D E 19310 APPR: JCG 3-2-12 CHK: DWN: PEB 3-2-12 JJP 3-2-12 87 EC 18765 APPR: JCG 8-13-13 CHK: DWN: BAL 8-12-13 JJP 8-8-13 88 EC 23484 APPR: ASH 2-18-14 CHK: DWN: BAL 2-17-14 JJP 2-12-14 89 EC 24717 APPR: JOJ 10-29-14 CHK: DWN: AJR 10-23-14 JJP 10-21-14 90 EC M-131 NH-36049-3 (D,3) M-131 NH-36049-3 (D,3) 26355,26729 APPR: CWB 5-12-16 CHK: DWN: BAL 5-12-16 JJP 5-12-16 91 EC 26883 APPR: JOJ 7-28-16 CHK: DWN: BAL 7-15-16 JJP 7-12-16 92 EC 601000000175 APPR: JOJ 12-8-17 CHK: DWN: BAL 12-8-19 JJP 12-7-17 93 L.O. 8"-42 FP-7-3 601000000867 APPR: SJH 10-4-18 CHK: DWN: BAL 10-4-18 JJP 10-2-18 94 601000001709 APPR: 600000588751 CHK: DWN: 600000676890 JJP 2-18-20 95 95 TSW-21 SEE NOTE 3 95 3. LIMITED FLOW IS ALLOWED WHEN THE SURGE CHECK VALVE IS IN THE CHECKED POSITION.

NE-36771-4

  1. 111 -480V MCC fill
  2. 111-480V MCC fill
  3. 141-480V MCC B41 SCHEME CKT NO.

NO. Y5003A 3A ,-t--1--t--1

}-* -~j I flit B11~7-f-i~- __ J RPS M/G SET A (#11)

A B MOTOR: 25HP, 460V, 3¢, 60HZ ~#-fs-P!- _J.; ~s~1L2 l-L31---- _GE-N: _18_.7_s~_f_,E6_3~v_AL~N_¢+ ~~~/-2~z I REACTOR PROTECTION SYSTEM MG SET A CONT. BOX I j (FOR INTERNAL WIRING SEE F.P. #5828-E-14-1) i LJ3' __ 25t_ "-~Q:IX-9065-3) _____. __ j G50 >G1 G3 ~~~-*c-~ Y50

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_ _j B1130* H1 H4 Y60LJ r=-- *--- --7 25 KVA-480-2 +/-2 1/2%/120V H 1 H4 I 0 I ~~ re-RPS ALTERNATE FEED 1 1,, 1 POWER TRANSFORMER.l'.fill I X4 X3 X2 f X1 I ~-~ I ~.--1 l 1 j EPA#157 -E't/* l Y60- '~~--,:2-. '._.X'\\ ,;-...,,, 1 r{--f-t--, l )--:)--) : 225A 841~f-f-!-_J ISO:PS M/G SET 8 (#12) A B C MOTOR* 25HP 460V 3¢ 60HZ ~~i-t-t---~~ i°8:75~A,E63~~L~~!~~HZ .....---. I L ~E.llTo~3 PROTECTION SYSTEM MG SET B co NT. Box 7 t'°" I (FOR INTERNAL WIRING SEE F.P. #5828-E-14-1) I

  1. 158 (-{r,--1

~:.--..11?-- EPA#156-c'.~X-9~5~~#175-_j ~ __J G2 G4 '-.-.I I I Y5004A 4A Y5005A SA Y5006A 6A SCHEME CKT NO. NO. Y4003B 3B Y4004B 4B Y4005B SB r-i-- AA----*-* - - --souoNruTRAL ________ -r-- -----*--~-*------------* --------- -- -* * ----, 1,- - - - r . SEE + l BUS C SEE I I I p NOTE f.fl I NOTE--~ JJ_ I 1 1 1 © 1c; 3A l 9 os 1 © loss, I I I_Dsz_ -a-QS3J .t,.~------.,..~-7" / DS4_, I Y4006B 6B IB1130I RPS DISTRIBUTION PANEL "A" Y50 (F.P.#5828-E-14-11 & 12) BKR. ROUTING RATING DESCRIPTION LOCATION SEPARATION AMPS FROM SCHEME 100 RPS CHANNEL "A" C15 Y4003B & B4107 30 PWR RANGE NEUTRON C37 Y4004B & MONITOR SYSTEM BUS "A" (TB-7) B4107 15 PROCESS RADIATION C10 Y4005B & MONITORS BUS "A" B4107 15 RPS CHANNELS A1 & A2 C-304A & Y4006B & ANALOG TRIP CABINETS C-304C B4107 {A1, A2 #2 AWG I Y50: 'C15 TYPICAL FOR SCHEMES Y5003A THRU Y5005A RPS DISTRIBUTION PANEL "B" Y40 (F.P.#5828-E-14-11 & 12) BKR. ROUTING RATING DESCRIPTION LOCATION SEPARATION AMPS FROM SCHEME 100 RPS CHANNEL "B" C17 Y5003A & B1107 30 PWR RANGE NEUTRON C37 Y5004A & MONITOR SYSTEM BUS "B" (TB-6) B1107 15 PROCESS RADIATION C10 Y5005A & MONITORS BUS "B" B1107 15 RPS CHANNELS B1 & B2 C-304B & Y5006A & ANALOG TRIP CABINETS C-304D B1107 B1, B2 #2 AWG I HQ 1---<I,_----<...--C 1-7--, TYPICAL FOR SCHEMES Y4003B THRU Y4005B WIRE SIZE

  1. 2
  2. 10
  3. 10 2-3/C #10 WIRE SIZE
  4. 2
  5. 10
  6. 10 2-3/C #10 NOTES:

G) MANDATORY ROUTING SEPARATION OF SCHEME B1107 FROM B4107 (l) MECHANICAL INTERLOCK ON RPS PANEL Y40- Y50 BLOCKS SIMULTANEOUS CLOSING OF THE FOLLOWING PAIRS OF CIRCUIT BREAKERS: 1A-2A 1B-2B 2A-2B Q)ALL CABLING BETWEEN MCc'S B11 & B41 AND DISTRIBUTION PANELS Y50 & Y40 ARE TO BE ROUTED IN CABLE TRAYS. ALL CABLES FROM OUTGOING CIRCUITS OF DISTRIBUTION PANELS Y50 & Y40 ARE TO BE ROUTED IN CONDUITS. G) INDICATING LIGHTS IN SEPARATE ENCLOSURES MOUNTED TO BOTTOM OF PANEL SEE NX-9065-7 & 8. @SEE G.E. INSTRUCTION MANUAL 914E175 FOR ELECTRICAL PROTECTION ASSEMBLIES, EPA. B1,B2,SP@- (310) Y40 REVISIONS 76 EC1015 DWN: JJP 1-9-08 CHK: BAL 1-9-08 APPR: NDM 1-10-08 77 EC22629 DWN: JJP 2-13-14 CHK: BAL 2-17-14 APPR: ASH 2-18-14 I )CB1A --+--+- ____ - ~-- /~{B2A I /\\ MECHANIC~) CB2B~- _, ____ -~.--- '\\ CB1B ! j 225A ,A2QO A INTERLOCK 200 A -7 225 A I IB1107I ,..--H 1,H4 . #4 AWG B4107 ( A1,A2,SP@ ~-~ (310) C-304B C-304D B1,B2 @ (2-R06) I (SEE NOTE (1)) I BUS A BUS B l '1 1,cB3A )CB4A l)CB5A ')CB6A l)CB6B l)CB5B l)CB4B l)CB3B '1 ,L.,, OOA f30A f 1 SA r,. 15A f 15A r 15A f 30A r 1 OOA I +*A1 ,YA2 A1

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  • 82.81

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  1. 250 MCM I HQ I A,B,C
  2. 2 AWG G2,G4
  3. 210 AWG A 1,A2,SP@

Al,A2@ .--C--3.i:0_4--.A ( 31 O) IJ3Qi,0-50.--(* 2-RO 6) A1,A2,SP@ _._.o.;...--,(31 0) C-3040 YSO SCHEME B1130 Y40 SCHEME Y5006A SCHE;-B1107 G) SCHE;-B4107 G) REACTOR PROTECTION POWER SYSTEM B1,B2,SP@ (310) SCHEME Y4006B BECHTEL JOB NO. 5828 E-111 This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. t-,-,M=oN""T,,...I =cA'""D,..,D=w=G....,...,.H,--,.1 REACTOR PROTECTION POWER SYSTEM DISTRIBUTION PANEL Y4O & Y5O SCALE: NONE REV 77 MONTICELLO NUCLEAR GENERATING PLANT '(}, Xcel [nergy'm NE-36771-4

S.B.G.T. INITIATION SIGNAL CHANNEL "B" CHANNEL "A" S.B.G.T. INITIATION SIGNAL 2942 2970 CONTAINMENT C C SV 2944 NE MOISTURE SEPARATOR A 6 TURBINE BUILDING 2 AREA 128.8 in VENT SBGT ROOM T-34B-1 B C AIR INTAKE S.B.G.T. ROOM 2946 CH. V. NH-36267 (C,3) CONTAINMENT M-155 SECONDARY FROM DEMISTER 2948 SX CH. V. 2983 2991 B.D.D. M-143 NH-36258 (E,6) VENT SGTS-5 CH. V. 2984 F.O. N.C. 2942 FE L O C C24B HEATER 2964 E-34B-1 5 SGTS-2 M-108 NH-36039 DEMIN. SEVV. OTHERS (E,5) BECHTEL SGTS-4 DM-104 3/4" CRW B4348 4 F-34B-3 HIGH TEMP C24B A BY BY TE 2954Y 2950 FS 2952 dPI TI 20KW HTR DRAIN PAN 7982 20 KW TRAIN C24B HT. ON HT. OFF L TS 3368 A/S M-131 NH-36049-14 AO 2944 (C,2) GO HS 2944 C24B A TRAIN "B" GO TO C24B FLOW LOW E/S C24B IODINE ABSORBER ACTIVATED CARBON 2956 SX L A C24B HIGH TEMP OVER TEMP 2958 dPI 2966 TI TS 2954Z TE 2960 SX 2954 TT 2962 dPI 2954 C24B C24B FROM HS-2988B dTA 2954 dTI 2954 HS 2954 C24B NO C24B T A NE SV 2945 NH-36049-14 L D C24A NO GO E L O C C24A AO 2982 PRIMARY O C24B L O (B,2) F.C. N.C. 2982B SV 2982A SV M-131 A/S HS 2982A C24A ND NO GO HS 2982B C24B ND N.C. 2942 FT 2943 FT F.O. B.D.D. 2985 NH-36267-3 TO V-EF-11 AIR INTAKE S.B.G.T. ROOM (B,4) M-155 2947 CH. V. TO PLENUM SX 2949 NH-36881 F 6 A B3348 E-34A-1 HEATER TRAIN 20 KW DEMIN. SERV. 3/4" 2945 FA (E,5) NH-36039 M-108 GO NH-36049-14 M-131 AO (C,2) A/S 2945 HS SGTS-3 C24A C24B C24B FA 2942 FIC FIC 2943 A 2943 FA C24A CRW C24A FLOW LOW SGTS-1 OTHERS BY BECHTEL C24A DM-103 BY FS 2951 2955Y TE 2953 dPI DRAIN PAN C24A 7983 TI HT. OFF HT. ON L 3369 TS OF OPERATION SYSTEM MANUAL MODE FUNCTIONAL ONLY ON SX 2957 TEMP 2959 dPI C24A TEMP HIGH TI 2967 A 2965 TS 2955Z TE SX 2961 2963 dPI 5 C24A C24A HS-2988A L C24A C24A HIGH OVER TEMP FROM 2955 TT 2955 2955 dTI 2955 2955 ES NO dTA HS C24A A C24A T 4 OFF-GAS 2972 2968 BY BY VALVE IS OPEN IF S.B.G.T. FAN V-EF-17A OR V-EF-17B IS OPERATING. 3 LOCAL POWER PANELS SYSTEM "A" C87A & C87B. STANDBY GAS TREATMENT SYSTEM EQUIPMENT No. S 34A & 34B AND ARE NOT LISTED ON THE EQUIPMENT LIST. OTHER EQUIPMENT NUMBERS ARE APPLICABLE TO THIS DRAWING ONLY P.O. 5828 M130. UNLESS OTHERWISE NOTED. ALL CONTROLS & INSTRUMENTS FURNISHED BY S.B.G.T. SUPPLIER ON 3. MAIN CONTROL PANEL C24. 6. DELETED. 8. 7. NOT USED. 5. 4. 2. NOTES:

1.

BECHTEL OTHERS 2 BY BECHTEL HS V-EF-17B 2983B OFF ON M.S. L C24B C24B V-FU-1 (MAG. CONT. TRIP) V-EF-20 (MAG. CONT. TRIP) V-EF-21 (MAG. CONT. TRIP) (C,2) NH-36049-14 M-131 A/S V-EF-24 (MAG. CONT. TRIP) V-EF-28 (MAG. CONT. TRIP) V-EF-10 (MAG. CONT. TRIP) V-AC-10A (MAG. CONT. TRIP) V-AC-10B (STARTER TRIP) V-AH-4A (MAG. CONT. TRIP) STANDBY GAS TREATMENT AREA MECHANICAL VACUUM PUMP AUTOMATIC SX TX C24B RH AUTO MAN L 2974 dPI 2988B F.O. N.O. 2978 L O C C24B 2976 SX AO ND 2978 SV C24B 2978 HS NO GO MANUAL UNIT "B" RUNNING C24B A SYSTEM "B" HS C24B START LOCKOUT CIRCUIT V-AH-4B (STARTER TRIP) ISOLATION DAMPERS EPR TO OFF GAS SYSTEM H&V SYSTEM BY OTHERS V-EF-22 (STARTER TRIP) V-FU-2 (STARTER TRIP) V-MZ-1 (STARTER TRIP) V-MZ-4 (STARTER TRIP) V-MZ-5 (STARTER TRIP) V-MZ-6 (STARTER TRIP) M V-EF-17B 4310 2990 CHV 2986 RO 2942 E/P N.O. F.O. 2942 CV M-131 NH-36049-14 (C,2) A/S 1 A M-142 NH-36159 (A,6) SYSTEM B C C225 8000-A-41 V-EF-18A & V-EF-18B 2981 TO STACK FANS C24B L O C C24A HS A/S M-131 NH-36049-14 (B,2) SX TX 2973 2969 RH dPI 2975 BECHTEL OTHERS BY BY 2979 2977 SX AO N.O. F.O. 2979 ND SV 2979 C24A 2989 CHV V-EF-17A 2983A HS M.S. 2943 E/P N.O. F.O. (C,2) NH-36049-14 M-131 A/S BY BECHTEL OFF ON M L C24A V-EF-17A 3310 ASC FROM S.B.G.T. V-EF-11 FROM NH-36267-3 M-155 NO GO FROM S.B.G.T. "B" (C,7) "A" V-EF-26 NH-36267-3 NO GO M-155 FROM (C,6) V-FU-2 (MAG. CONT. TRIP) V-EF-22 (MAG. CONT. TRIP) A0-1825 A&B MVP RECIRC. SEAL PUMP STANDBY GAS TREATMENT AREA ISOLATION DAMPERS EPR V-AH-4B (MAG. CONT. TRIP) V-AC-10B (MAG. CONT. TRIP) V-AC-10A (STARTER TRIP) V-FU-1 (STARTER TRIP) MANUAL AUTOMATIC NO GO C24A L MAN AUTO HS 2988A SYSTEM "A" RUNNING UNIT "A" C24A A START CIRCUIT LOCKOUT V-EF-10 (STARTER TRIP) H&V SYSTEM BY OTHERS TO OFF GAS SYSTEM V-AH-4A (STARTER TRIP) C24A V-EF-20 (STARTER TRIP) V-EF-21 (STARTER TRIP) V-MZ-5 (STARTER TRIP) V-MZ-4 (STARTER TRIP) V-MZ-6 (STARTER TRIP) V-MZ-1 (STARTER TRIP) V-EF-28 (STARTER TRIP) V-EF-24 (STARTER TRIP) 3 OUT OF SERVICE L V-EF-18B TROUBLE NO FLOW DILUTION FAN A C24B C24B L C20 A CL BL C24B AUTO IN SERVICE C24B L W L HOA 2 2987 CHV DWG. No. M-512 DETAIL No. 1 FOR CONTROLS SEE B000A-41 B.D.D. (N.C.F.O. (SEE NOTE 4) PLENUM DO-8000-A-33 PLENUM D E REVISIONS TROUBLE V-EF-18A DILUTION FAN NO FLOW OUT OF SERVICE IN SERVICE L NH-36159 (A,6) M-142 A L C24A C20 C24A A 2980 C24A HS HOA HS C24A C24A L BL W L CL AUTO 1 F DWN: APPR: CHK: 76 A/R 01121715 JJP 3-5-08 RMG 3-12-08 BJR 3-11-08 11951 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 NH-36881 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-145 N Xcel NORTHERN STATES POWER COMPANY MONTICELLO NUCLEAR GENERATING PLANT Energy sm STANDBY GAS TREATMENT FLOW DIAGRAM REV 82 C24B L O C 24900 APPR: BJR 11-20-14 CHK: DWN: BAL 11-20-14 JJP 11-19-14 77 EC 23714 APPR: DS 2-4-15 CHK: DWN: AJR 2-4-15 JJP 2-4-15 78 EC C24A L O C 26400 APPR: BJR 11-10-16 CHK: DWN: BAL 11-10-16 JJP 11-9-16 79 EC 26401 APPR: BJR 3-2-17 CHK: DWN: BAL 12-27-16 JJP 12-22-16 80 EC 1 2 601000001557 APPR: 600000571492 CHK: DWN: 600000571497 JJP 7-22-19 81 MOISTURE SEPARATOR DEMISTER T-34A-1 ACTIVATED CARBON IODINE ABSORBER F-34A-3 HIGH EFFICIENCY FILTER F-34B-4 HIGH EFFICIENCY FILTER F-34B-2 HIGH EFFICIENCY FILTER F-34A-2 HIGH EFFICIENCY FILTER F-34A-4 2943 CV APPR: 600000686596 CHK: DWN: 600000677406 JJP 2-19-20 82 601000001601 ADDT'L. PAGE ADDED TO.PDF DOC.

O 2 1% O 2 4% N 2 T1 DT V1 J5 J4 V4 RO FR2 FS FS1 CV4 PT PT1 7 SV 10 SV 9 SV 8 SV 1 SV 4 SV 3 SV 5 SV 6 SV 2 SV CV2 CV3 CV1 J3 V3 V5 J2 V2 RO FR1 CV5 60 PSI (P-86) MP1 J1 3285 02An AT1 156W HT3 104W HT1 120W HT2 MEGGITT OXYGEN ANALYZER (RMU) C-251B A 2 L C20 C26 3285 O R 1/4" SS TUBE (TYP.) MEGGITT OXYGEN ANALYZER (SSU) C-251A DWV-118 DWV-117 DWV-119 O2 SAMPLE PORT 3/8" SS TUBE (TYP.) DWV-18-2 DWV-18-4 DWV-26 DWV-114 DWV-112 DWV-40 DWV-120 TSV-3 TSV-1 TSV-2 TSV-4 DWV-18-5 F-8B 3410 FIC 2216 FIC 1112 PI 1113 PI C251C HS GRAB SAMPLE STATION (GSS) C-251C CONDENSATE DRAIN PARTICULATE FILTER PRI CONT. ATMOS SAMPLE MARINELLI PRI CONT. ATMOS SAMPLE PUMP P-89 2380 AO 2379 AO SET @ 50 PSIG CP10-6"-JB FI 3284A LOCAL C26 3284 FI X-214 OA2-3/4"-EF PAS-57-26 C26 4081 HS X-218 1"-130 M3 4082 SV C26 4082 HS A B 6 X-25 SUPPRESSION CHAMBER PRIMARY CONTAINMENT 2384 CV DWV-89 DWV-90 X-205 CP5-18"-HE DWV-10 D P F.C. 2383 F.C. AO AO 2896 18"Ø DWV-9 2385 CV 2386 AO F.C. X-2 DWV-88 LOCK AIR CP2-18"-HE DWV-85 DWV-86 DWV-87 NH-96042-1 SYSTEM TO PAS PRIMARY DRYWELL CONTAINMENT X-27 E X-220 (A,5) TO SV-4002B NH-91197 X-26 3/4"-SP19M3 DWV-3 NH-46162 E C D F.C. D P 2387 AO 18"Ø M-143 NH-36258 (E,6) L O C C26 L O C C26 (A,5) NH-91197 (ALSO SEE) 6 A H C20 3372 PS HS 16A-S52 C04 E/S 3276B 4081 SV NH-36049-13 (C,6) M-131 C26 3313 HS DWV-82 DWV-81 (A,7) DWV-42 (A,6) 5 4 3313 SV DWV-77 C26 3314 HS 3314 SV DWV-79 NH-91197 OA15-1"-EF L O C C26 C26 3308 HS L O C C03 DWV-93 DWV-94 1"-130 M3 DWV-6 OA4-3/8"-EF DWV-5 PAS-36B-3/4"-EF N.E. 3308 SV L O C C26 NH-91197 (A,7) DWV-76 C DWV-95 1" (A,4) 3312 SV C26 3312 HS 1" 3312 CV N.E. NH-91197 DWV-28 ELEV. NEAR PANEL C251 TEST MANIFOLD ON 935' DWV-17-1 DWV-17-3 DWV-17-5 DWV-17-4 DWV-17-7 (TYPICAL) 1"-112 M3 DWV-17-2 C,5 NH-36049-13 M-131 DWV-96 DWV-80 C L O C C03 L O C C26 (C,6) 1" 3314 CV N.E. 3313 CV N.E. 1" T P 1" HS EF DWV-17-6 CP1-18"-HE NH-91197 CP11A-1"-HE NH-36049-14 (C,6) 3268 SV M-131 1"-19 DWV-23 3268 CV DRYWELL CAM 3 3276B TT 3276B TE A C04 4-B-22 DWV-36 7993 LS V-CH-7993 C410 INLET CHILLER 7994 HS DWV-33 INLET 7993 TI DWV-35 2381 CP11B-1"-HE DWV-83 DWV-84 DWV-24 1"-19 1" 1" AO 3267 CV AO 2378 F.C. CP3-18"-HE NH-36049-14 (B,5) F.C. 3267 SV M-131 TROUBLE HEATER 7993 TIC C410 CP4-20"-HE 2377 F.C. CP4-20"-HE 3283 PT C26 3283 PI CP1-18"-HE AO C26 3283 E/S CP10-12"-JB DWV-12 18-Sp418 C26 3275 FR DWV-15 3/4"-19 1/2"-112T DWV-16-2 "SS TUBE (TYP) L O C C03 C26 3307 HS B,4 P T EF HS N.E. 3307 SV L O C C26 3311 SV C26 3311 HS C L O C C26 1" 3311 CV N.E. 3273 RV NH-36049-13 DWV-38 C L O C C26 L O C C03 SAMPLE RETURN TO VENT DUCT DWV-34 DWV-41 M-131 (C,6) SEE BELOW DRYWELL CAM HS 16A-S31 C04 OUTLET L O C C03 L O C C04 C E/S 3275 SET @ 2 PSIG C26 5 4 C26 3276 TR SET @ 3371 PS A H C20 HS 16A-S26 C04 3269A SV PSIG 1.75 L O C C03 CP11-1"-HE L O C C03 L O C C04 C L O C C04 C HE JB 3269 CV 3330 PI KEY #56 VENT SW POST-LOCA TO NH-36049-12 N.E. 3269B SV (B,8) M-131 3276A TT 3332 PCV 1/2"-112T DWV-16-3 3275 FT 3275 3276A TE C26 FY DWV-16-1 1/2"-112T SET @ 0.75 PSIG E/S 3276A C26 TS 3276A C26 3372 SV 1/2" CS TUBING AIR SET @ A H C20 3281 SV 3373 SV 1.75 PSIG TS 3276C C26 SET @ ZERO PRESS 3331 PI TS 3276B C26 PRESS ZERO A L C20 8 FT. CP10-4"-JB 3 FT. 3281 PCV MIN. 2" 1.50 PSIG 3274 RV 3" SET @ 3284 FE MIN. 20 PSIG C26 3284 E/S 3284 FT C26 3284 FCP 1/2"-65 DWV-22 DWV-37 3272 PCV TO T.I.P. SYSTEM PURGE (105 PSIG) SEE NOTE 4 NH-161004 M-2510 (A,3) " C.S. TUBING 3329 PI 1" 3 PSIG SET @ CP11-1/2"-JB 3 V-CR-7A PRIMARY CONTAINMENT (G.E. 728E993) 5828-APED-7-2 & -3 REFERENCE DWG. IED NEUTRON MONITORING SYSTEM. N/A PRESSURE TEST OF PRIMARY CONTAINMENT. CONNECTION FOR PORTABLE AIR COMPRESSOR FOR CONNECTION FOR FUTURE TRACER GAS SYSTEM. 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 PRIMARY CONTAINMENT NITROGEN CONTROL SYSTEM Xcel 2 DWV-8-1 DWV-8-2 F.O. F.O. 20"Ø 20"Ø 18"Ø (C,1)(C,3) NH-36258 M-143 VACUUM RELIEF FROM SEC. CONT. (B,3) NH-36258 M-143 R.B. HVAC SYSTEM AIR PURGE FROM ISOLATION SYSTEM CONTROL DWV-100 DRAIN 7993 7993 TE DWV-101 DWV-102 RE 1/2" 4. SAMPLE OUTLET 3. 2. 1. NOTES: DWV-105 sm NH-46162 1 7993 FT MONTI CAD DWG ` ' M-130 7993 SCALE: CV 7993 P-7993 7993 HS NONE DWV-104 7995 PI RM-7993 V-CR-7 RETURN UNIT CONDENSATE PI DRAIN PCT111 C02 C02 R 4902 RR V-CR-7B FI REV AM 90 A 7993 B BH-158 (SEE TECH. MANUAL NX-17242, OR P&ID ON TANK, FOR MORE DETAILED N2TANK P&ID) LIQUID NITROGEN STORAGE SYSTEM 3440 CV (SUPPLIED BY LN2VENDOR) TANK RELIEF 3450A PI DWV-21 3450B PI DWV-14 4"-54 DWV-13 JDD HB LOCAL TEMP. INDICATOR NH-36049-12 CP10-4"-JB (A,7) NITROGEN M-131 INSTRUMENT AIR TO DRYWELL 4" REMOVE FLG. FOR CONN FOR ILRT. PRESSURIZING 1" 105 PSIG 4840 RV HB JB LIQUID LINE 3450B PCV GAS LINE 105 PSIG SET @ JDD HB DWV-71 27/64" RO M-131 PRIMARY CONTAINMENT CP12-1"-HK DWV-29 3440 TIC 3440 E/P (B,8) NH-36049-12 PURGE VAPORIZER BH-157 E-26 3439 RV 3446 LI DWV-74 DWV-75 DWV-73 RV 3447 PI V-13 TANK T-82 LN2 RV SET @ 125 PSIG 3450A PCV

  • 2 DWV-72 ATMOSPHERIC DWV-70 RV VAPORIZER E

BH-1025-2 BH-1026-2 RETURN UNIT NH-36260 M-148 (B,6) TO CONDENSATE BH-1026-1 NH-36260 SUPPLY 60 PSIG M-148 STEAM 3437 ST BH-1025-1 BH-159 1"-JB 3438 DT HC HS-1"-BHJB YS BH-233 (C,6) CONNECTION C-1, FILL SYSTEM V-20 PRESSURIZING COIL SYSTEM C D REVISIONS 1 (D,7) 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 CONDENSATE TRAP DWV-116 TSV-5 26943 APPR: DAJ 5-11-16 CHK: DWN: AJR 5-11-16 JJP 5-11-16 84 EC 19593 APPR: DAJ 7-28-16 CHK: DWN: AJR 7-28-16 JJP 7-28-16 86 EC 19593 APPR: DAJ 6-16-16 CHK: DWN: BAL 6-16-16 JJP 6-16-16 85 EC DWV-113 SAMPLE RETURN TO VENT DUCT 27580 APPR: AJW 11-1-16 CHK: DWN: BAL 11-1-16 JJP 10-31-16 87 EC RV 4839 24036 APPR: SJH 12-13-16 CHK: DWN: BAL 12-13-16 JJP 12-12-16 88 EC M-156 NH-36807 (D,3) 26081 APPR: BDF 12-22-16 CHK: DWN: AJR 12-22-16 NJM 12-22-16 89 EC OUTSIDE OUTSIDE OUTSIDE 1" JDD HK OUTSIDE 26787 APPR: SJH 4-14-17 CHK: DWN: BAL 4-14-17 JJP 4-10-17 90 EC 90

EN3C CN-110-1"-EN1C CN-139-3/4"-EN1C RDS-1-1 CN-139-2"-EN1C RDS-3 RR20-3/4" CN-131-3"-EN1C CN-110-3"-EN1C CNE-129-1 1/2"-HN2C LOCKED P900B RDS-6-1 RDS-7-1 OG-166-6 OG-165-3 OG-165-1 AI-112-1"-B1 CNC-118-3"-E2 RGC-12-1 7089-1 42-2503 CS SUPPLY PUMP COOLANT CONDENSATE P-902A CNC-132-8"-E2 CN-125-4"-EN1C REFERENCE DRAWINGS: ELECTRICAL - RECOMBINER AREA (TRAIN "A") ELEMENTARY & WIRING DIAGRAM ELECTRICAL - RECOMBINER AREA ELEMENTARY & WIRING DIAGRAM ELECTRICAL - HYDROGEN ANALYZERS ELEMENTARY & WIRING DIAGRAM ELEMENTARY & WIRING DIAGRAM ELECTRICAL - SINGLE-LINE DIAGRAM ELECTRICAL - ELEMENTARY & WIRING DIAGRAM ELECTRICAL - RECOMBINER & STORAGE AREA RAD. ALARMS, ELECTRICAL - HYDROGEN FLOW CONTROL ELEMENTARY & WIRING DIAGRAM AND PIPING SPECIFICATIONS. REFER TO DWG. NH-54818-1 FOR NOTES, SPECIAL SYMBOLS NOTES: 8. A 7. 4. 3. 5. 1. 2. 1. 8 ( ) INSTRUMENT ROOM CNC-134-8"-E2 NF-54831 7 LIQUID RETURN TO COOLING WATER M-104 NH-36035 (A,8) CONDENSER E1B NOZZLE No. 38 TURBINE BLDG. M-105 NH-36036 (B,2) COOLING WATER FROM C2B-16"-GB M-105 NH-36036 (B,2) TO C2B-16"-GB NF-51161 NF-51156 NF-54833 NF-54813 NF-51163 NF-54830 RO 11 C252 7679 TI TW 7679 TE 7679 TT 7679 RGC-9-1 CNC-116-8"-E2 C252 7678 PI 6 CNC-124-4"-E2 MS-55-1 CNC-117-8"-E2 CNC-116-4" CNC-116-6" CNC-134-6" RGC-2-1 RGC-3-1 RGC-1-1 RGC-13 M RGC-3-2 CNC-117-4" CNC-117-6" CNC-140-6" RGC-2-2 RGC-1-2 CNC-140-8"-E2 1"x1" C252 7680 FY A L C252 5 P-902B CONDENSATE COOLANT SUPPLY PUMP RGC-12-2 7678 RGC-14 M PT 7089-2 CS 42-1603 RO C252 12 CNC-119-3"-E2 (PUMP ROOM) RGC-10-1 F OGR132 FI 7681 ( ) ROOM C252 7680 FI PUMP (PUMP ROOM) CNC-124-3"-E2 CNC-120-6"-E2 PUMP CONDENSATE P-900A DRAIN FI 6079 OG-166-5 OG-166-1 11 FLOOR SUMP DRAIN COOLING WATER TO & FROM E-607-B FROM AI-175 NH-54817-3 BREAKER NH-54818-1 CNC-123-4"-E2 CNC-123-3"-E2 T OGR104 ( ) ROOM PUMP SIPHON FI-7730 (D,5) (A,7) VACUUM PUMP MECHANICAL TURBINE BLDG. ROOM OG-166-2 OG-166-3 OG-166-4 7578 LS 4 HS OG-115 COLLECTING CN-111-2"-EN1C CN-111-3/4"-EN1C RDS-5-1 P900A HS M LCV 7582 ENIC OG-166 3/8" SIGHT GLASSES 1" RDS-10-1 RDS-10-3 A/S RDS-4-1 RDS-2-1 ST-4808 DRAIN TANK V-810 3/4" H ANALYZER SAMPLE DRAINS TW 7541A C252 OGR101 P OGR139 OG-142-1 GOLE-119-6"-HN2C CN-127-4"-EN1C TURBINE BLDG. RAILROAD BAY RECOMBINER BUILDING EXHAUST NH-54817-4 HIGH TEMPERATURE TRIP DWG. NF-51142 AT-7731-A A H C252 OG-102-2 O E-4162A AMBIENT TEMP. TRAIN "A" TS 7570A B OG-102-3 C D GOLE-119-6"-HN2C NH-54818-1 E-601-B CONDENSER FROM PUMP ROOM MONITOR AREA MONITOR FROM RADIATION NH-54818-1 VAPOR RETURN TO M-104 NH-36035 (A,7) NOZZLE No. 12 CONDENSER E1B NH-54818-1 E-601-B TO CONDENSER NH-54823-2 OG-150-1 3/4" RR 7573 A H C252 RM 7571A RI 7571A A H C252 R ARM131 (A,1) (B,7) 1" M-104-1 NH-36035-2 (B,4;D,4) OG-102-1 (C,7) (C,8) FROM CNC-121-6"-E2 CNC-120-6"-E2 TURBINE BLDG. OLD SAMPLE RETURN OG-100-1 OG-55-1 L O C A/S C AI-587-1 C252 7684 RI CF DRAIN FOR DRYERS SEE NH-100326 OG-101-1 DRYER (Y) AT-7552-A O E-4161A 2 2 (X) OG-101-2 OG-101-3 AT-7553-A (Z) DRYER OG-152-2 NH-54817-3 FROM AI-483 (B,5) DRYER OG-152-1 OG-152-3 CF DRAIN CF A H C252 MONITOR DUCT VENT 8 DEMISTER OG-141-1 SAMPLE SUPPLY DRAIN CF T DRAIN T OG-138-1 T T L OG-140-1 OG-139-1 H C252 A OG-137-1 OG-99-1 DRAIN 7502A TE NOTE 6 SEE C252 6" 4" 7502A 7502A FT FE 7502A OGR105 F FI 7539A PT A H 7539A PI C252 7541A TI OG-157-1 OG-158-1 (D,7) NH-54818-1 C252 H A 2 FROM TI-7541B 7 LSL 7560A LSH 7560A CN-108-3"-EN1C GOLE-123-1"-B1 A L C252 CONTROLLER INSTRUMENT ( ) 7519A OG-175-1 A H C252 CNC-122-6"-E2 SHELL SIDE VENT CN-115-2"-EN1C V-808-A TANK CN-103-2"-EN1C CONDENSATE FLASH PC 7558A PT 7562A DRAIN COOLER CN-144-1"-EN1C CNE-145-1"-HN2C CN-125-3" CNE-101-3"-HN2C A L C252 E/P 7533A LC 7533A CNC-120-6"-E2 RGC-4 ( ) ROOM PUMP CNC-121-6"-E2 PCV 7558A 7558A E/P E-607-A 11 3/4" 11 1 1/2" LT 7560A 1 1/2" EN1C 2"x1" 1"x3/4" OG-161-1 OG-160-1 PIPE (TYP) TT 7515A CLAMP TE ON RGC-6-1 CNE-137-1"-HN2C GOHE-101-12"-JN3C 11 1 1/2" 1 1/2" GN3C GN3C E-601-A CONDENSER P RGC-5-1 RCG-11-1 RGC-8 OGR119 H L A T 6 11 RECOMBINER CATALYST C252B 101A HS RGC-7 CNE-145-1"-HN2C GOLE-105-10"-HN2C 3x2 HEATER ELECTRIC BED 2x1 OG-173-1 YS-7519A EF RO ROOM V-801-A 5 GOLE-103-12"-HN2C 11 CN-133-1"-EN1C TURBINE BLDG. OG-165 GOL-125-1"-EN1C F7741 OG-56-1 A L C252 AI-190 AI-176 HOSE ARMORED F MS-54-1 A H C252 VENT B1 SV 7685 OG-165-2 1/2" C252 7685 HS HN2C 2"x1" 1"x3/4" CN-113-3/4"-EN1C OGT-4268A 12 T GOLE-105-12"-HN2C YS-4269A OG-159-1 A H C252 EN1C 12 GOLE-123-1"-HN2C AIR EJECT ROOM ENIC 3/8" 3/4" VENT FILL AIE-103-1/2"-HN2C HN2C AI-171-1 AI-172-1 FROM FROM (C,1) NH-54818-1 (B,8) CN-112-3"-EN1C NH-54817-3 B1 VENT SHELL OG-174-1 DRAIN 3" 1" SIDE PRE-HEATER E-603A MS-53-1 NH-54818-1 7 INPUTS FROM NH-54818-1 (D,5) (C,8) FROM PSV-7534B CNE-138-1"-HN2C NH-100320 M-2500 (B,3) CN-133-1"-EN1C A H C252 ED 12 GOL-125-1"-EN1C 0GD1-3"-EF CNE-137-1"-HN2C SMP-101-3"-EN1C CNE-146-1"-HN2C 4 NH-54818-1 (B,7) 1/2" 1" FROM PSV-7568B COMPRESSORS, SEE FLOW OG-167-2 OG-167-1 RDS-6-2 OPEN RDS-7-2 ORIGINAL OFF-GAS PIPING THIS DWG. SUPERSEDES NF-51134 & NF-54817, REV. "X" OG-168-1 RR56-3/8" CN-131-1"-EN2C 3 RR56-1"-EN1C RDS-4-2 RDS-10-2 CN-135-2"-EN1C CN-131-3"-EN2C M RDS-5-2 DRAIN TANK OG-116 COLLECTING V-813 EN1C LOCKED PUMP CONDENSATE DRAIN P-900B 12 OG-168-6 1" 3/8" RR56-3/4"-EN1C OPEN EN1C OG-167-3 OG-168 GLASSES SIGHT 2 OG-168-2 LS 7577 1 DIAGRAM NH-54823-2 A EN1C L O C 4" GOLE-102-6" NH-54818-1 OFF-GAS TO CHEMISTRY SYSTEM OXYGEN INJECTION (B,3) NH-100320 M-2500 HYDROGEN WATER TO CN-142-1"-EN1C M-104-1 OG3-10"-ED (D,2) CN-142-1/2"-EN1C CNE-129-2"-HN2C CNE-130-1"-HN2C CNE-109-1 1/2"-HN2C OG-167 CNE-128-1"-HN2C 42" DELAY LINE VACUUM BREAKER & PURGE 1" 1/4" FILL VENT EN1C OG-171-1 RO 7518A 3/8" YS-7518A OG-170-1 2" EF 8" 2" OGD1-1"-EF OG-172-1 OG34-8"-ED REACH STATIC MIXER PUMP ROOM ROD IN OG-184 NH-54818-1 FROM GOLE-120-6" OG35-8"-ED NH-54818-1 OFF GAS TO GOLE-101-6" RR56-3/8" (B,2) 8"-14 OG-50-1 OG34-8"-ED S-OG-1 TUNNEL (B,2) PIPE MS-52-1 GOLE-135-1/2"-HN2C GOLE-115-6-HN2C OGT-2-1 NH-54817-3 IN A VESSEL TRAP IS SMPE-103-4"-HN2C WARMING STEAM (C,5) AI-477 C252B 1/2" T TO 1" 12 GOLE-109-6"-HN2C FROM PSV-7574B NH-54818-1 EF SMP-109-4"-EN1C PREHEATER SUPPLY 4"x6" OG-148 (D,2) AI-588-1 3 DRAIN 3" EN1C HN2C 2" SHP-102-4"-HN1C SHP-102-4"-HN1C NH-54818-1 TO (D,1) GOLE-107-6"-HN2C DE-ENTRAINER MOISTURE J-1202A C252B 7497A PIC SMP-101-4" 2 (E,5) NH-36033 M-102 STEAM FROM PS9-3"-ED AIR EJECT ROOM GOLE-119-6"-HN2C 42" DELAY LINE HWC2-3/4"-ED DELAY PIPE BURIED 24"-HN2C GOLE-117-TO STACK AND OFF-GAS NH-36035-2 M-104-1 RV34-6"-HB (B,6) GOLE-111-6"-HN2C (C,4) M-142 NH-36159 BLIND B C REVISIONS MS-70-1 YS-7501 OGT-1 SHP-103-1"-HN1C 12 RDS-9 T RDS-8 MS-70 12 HN1C MS-51-1 SHP-101-4"-HN1C MS-156 4"-14 SHP-101-4"-HN1C SMP-101-4" 3" TURBINE BLDG. 1 M-104 NH-36035 (A,8) BY-PASS & CONDENSER E1B RETURNS TO RELIEF D EN3C CONNECTION FLUSH 7589 PI 7590 PI DEMIN OG-192 OG-191 OG-190 OG-168-5 OG-168-4 OG-168-3 SEE NOTE 6 (A,5) NH-54817-3 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 12993 APPR: DS 8-20-08 CHK: DWN: BL 8-20-08 JJP 8-15-08 79 EC A H C252 NH-54817-4 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 A Xcel NORTHERN STATES POWER COMPANY MONTICELLO NUCLEAR GENERATING PLANT Energy sm P&ID OFF-GAS MODIFICATION TRAIN "A" ENGINEERING FLOW DIAGRAM RECOMBINER BUILDING REV 81 20370 APPR: MLW 3-26-14 CHK: DWN: BAL 3-26-14 JJP 3-24-14 80 EC I-OGR-R-5 I-OGR-R-6 LCV 7559A PSV 7568A TW 7565A TW 7561A TE 7561A TT 7561A T OGR135 E/P 7559A LC 7559A P/E 7560A FE 7569A FI 7569A TT 7565A TE 7565A T OGR137 TI 7566A FE 7680 FT 7680 P OGR131 TW 7512A TE 7512A PT 7511A P OGR113 FO 7518A TW 7514A TE 7514A TT 7514A T OGR115 LSH 7513A LT 7513A TT 7512A T OGR129 H OGR123 H OGR122 H OGR121 PI AO 7557A C252B 7557A HS TT 7541A TE 7541A TI 7528A TT 7528A TE 7528A TW 7528A PSV 7534A TE 7536A TW 7536A TT 7536A T OGR133 TI 7537A LSH 7532A LT 7532A LSL 7532A P/E 7532A R PRM106 RI 7684 RAH 7572 RM 7684 RM 7613 RR 7613 RM 7611 RM 7571A RM 7571B T OGR127 dP OGR141 dPT 7519A LCV 7533A TE 7526A TE 7525A TE 7524A TE 7523A TE 7522A TE 7521A TE 7520A TE 7515A R PRM105 T OGR117 PI 7511A C252A 7697 TS C252B 7526A TI TT 7526A PSV 7574A F OGR109 FI 6159 FE 7508A FCP 6159 AO 7508A C252 7508A HS PT 7499A P OGR111 E/P 7497A PCV 7497A RO 7501 TW 7683 TS 7683 A H C252 C252B 7514A TI APPR: 600000686596 CHK: DWN: 600000677406 JJP 2-19-20 81 601000001601 ADDT'L. 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OG-164-3 GD-104-1"-EN5C EN1C OG-80-3 OG-79-3 OGT-9-3 (LIMIT SW.) CONTROLLER CONTROLLER E-613E E-613D E-613C TS 7711 TS 7709 TS 7707 7 A 8 B SEE DWG. NF-51157 POWER FROM FUSE A22-3 OG-82 PANEL C252A (B,8) TO NH-54823-2 GS-101-1"-EN1C LINE HEATER OFF-GAS 6 15 5 14 13 GS-149-1/2"-EN1B V-805 NOTE 3 GS-145-1"-EN1B GS-105-1"-EN1B GS-110-2"-EN1B V-806 1" 1" PIPE (TYP) NOTE 3 1" GS-109-2"-EN1B SHIELD WALL 1" EQUALIZING LINE (TYP) GS-150-1/2"-EN1B OG-80-5 OG-79-5 OGT-9-5 T EN1B EN1C OG-164-5 GS-101-1"-EN1C HEATER (TYP) 3'-0" STRIP TE 7711 OG-81-5 OFF-GAS LINE HEATER TE 7709 C252A 7713 TY GS-144-1"-EN1B TT 7713 GS-104-1"-EN1B 1" TT 7713 TE 7713 GS-108-2"-EN1B V-804 ( ) FOYER LOCATE IN 1" NOTE 3 LINE HEATER EN1C EN1B OG-79-4 OG-80-4 OGT-9-4 T A L C252 OG-81-4 OG-164-4 GS-148-1/2"-EN1B TE 7707 OFF-GAS GS-101-1"-EN1C HS 7671 GS-157-1"-EN5C NH-54823-2 GS-110-1/2"-EN1B OG-77-5 7 A L C252 NH-54823-2 C D OR HIGH STACK RADIATION CLOSE ON ELECTRIC FAILURE FCV-7676 OG-89 OR LOW HEADER TEMP. EN3C GN3C M GDE-101-2"-CN3C SV 7677 C252A 7676 FC PT 7675 3/8" OG-76-5 EN1C EN1B 3/8" SV 7665 C252A 7668 PY GS-112-1"-EN1C C252A 7667 HS PI 7668 PT 7668 PS 7668 A H C252 TE 7762 GDE-107-1"-GN3C NOZZLE LIMITING FLOW PI 7675 FO 7674 OG-90 OG-87 GN3C EN5C TSL 7762 DISCH. HTR. MAIN GAS 12" EN5C OG-88 EN3C C252 E-614 SV 7669 GS-118-1/2"-EN5C EN5C FLOW 1" 3'-0" LIMITING NOZZLE (B,8) FO 7740 1"x1/2" EN3C EN5C NH-54823-2 TO GS-106-1"-EN3C NH-54822-2 TO GDE-101-2"-GN3C TE 7761 (B,8) TSL 7761 NH-54823-2 (C,6) 8 TSL-7765 FROM (C,8) TO TE 7714 SV 7658 SV 7664 SV 7662 GD-106-1"-EN5C GS-116-1"-EN1C C252A 7659 HS C252A 7660 PY OG-76-4 EN1C TIMER K5 SV 7666 EN1B OG-78-5 (LIMIT SW.) TSH 7712 EN5C SV 7672 TIMER K4 3/8" OG-77-4 EN1B TSH 7710 A H C252 PI 7660 SV 7657 PT 7660 GS-109-1/2"-EN1B PS 7660 GS-112-1"-EN1C SV 7670 EN1B EN5C GS-110-1/2"-EN5C TS 7714 CONTROLLER GD-101-1"-EN5C GS-106-1/2"-EN5C GS-118-1/2"-EN5C GS-157-1"-EN5C TSH 7715 SV 7661 GS-119-1/2"-EN5C EN5C EN1B HS 7663 GD-105-1"-EN5C GS-115-1"-EN1C PT 7652 PI 7652 OG-78-4 (LIMIT SW.) EN5C EN1B OG-76-3 EN1B EN1C C252A 7652 PY C252A 7651 HS SV 7649 TIMER K3 SV 7650 TSH 7708 OG-77-3 3/8" OG-78-3 EN1B GS-108-1/2"-EN1B PS 7652 A H C252 SV 7656 GS-109-1/2"-EN5C EN5C GS-120-1/2"-EN5C SV 7653 EN5C EN1B HS 7655 SV 7654 GS-108-1/2"-EN5C EN5C TE 7715 PARTITION 6 5 CONTROLLER CONTROLLER CONTROLLER E-613B TS 7705 TS 7703 FREQUENT CYCLING DURING NORMAL OPERATION. VALVES ON THIS DRAWING NOT INDICATED AS OPEN OR CLOSED DUE TO OG-128 ELEMENTARY & WIRING DIAGRAM SH. 1 THIS DWG. SUPERSEDES SUNTAC NUCLEAR CORPORATION DWG. NF-54822 FOR GENERAL NOTES, LEGEND, REFERENCE DWGS. ETC. SEE DWG. NF-51133. ALL PROCESS VALVES ARE BELLOWS SEAL TYPE EXCEPT AS NOTED. TANK RADIATION MONITORS REMOVED, INSERTION TUBES REMAIN. ELECTRICAL - SINGLE-LINE DIAGRAM ELECTRICAL - COMPRESSOR/STORAGE AREA, REFERENCE DRAWINGS: ELECTRICAL - RECOMBINER AREA (TRAIN "A") ELECTRICAL - HEAT TRACING ELEMENTARY & WIRING DIAGRAM SH. 2 FOR PY7791 SCHEME OGH BLDG SUMP 4 3 12 2 11 4. 3. 2. 1. GS-143-1"-EN1B GS-142-1"-EN1B GS-103-1"-EN1B 1" GS-102-1"-EN1B GS-107-2"-EN1B V-803 NOTE 3 1" 1" T EN1B EN1C OG-81-3 ON PANEL C07 ( ) PAH 7663 OFF-GAS LINE HEATER OG-80-2 GS-147-1/2"-EN1B OG-79-2 OGT-9-2 T EN1B EN1C OG-164-2 TE 7705 GS-141-1"-EN1B V-802 GS-106-2"-EN1B SHIELD WALL 1" 4" DRAIN GS-101-1"-EN1B 4. 3. NOTES: 1. 2. NOTE 3 1" GS-101-1"-EN1C GS-146-1/2"-EN1B OG-81-2 LINE HEATER OFF-GAS E-613A TE 7703 A H C252 OG-79-1 OGT-9-1 OG-80-1 T LSH 7631 OG-81-1 EN1B EN1C OG-164-1 1 NF-56210 NF-51156 NF-51157 NF-51161 A CN-141-1/2"-B1 OG-129 WA-101-1"-B1 (B,8) C-1003 A&B NH-54823-4 FROM D6-1 1/2"-HC TO NF-51146 B OG-86 OG-83 OG-130 PSV 7632 ( ) C252A 7635 HS C252A 7636 PY EN1C OG-76-1 GD-103-1"-EN5C GS-113-1"-EN1C OG-77-2 OG-76-2 EN1B EN1C 3/8" SV 7641 C252A 7644 PY GS-114-1"-EN1C C252A 7643 HS PI 7644 PT 7644 PS 7644 A H C252 TIMER K2 SV 7642 EN1B OG-78-2 (LIMIT SW.) TSH 7706 EN5C GS-107-1/2"-EN1B SV 7648 HS 7647 GS-157-1"-EN5C 3/8" O.D. 316 S.S..049 WALL GS-117-3/8"-EN5C GS-112-1"-EN1C GS-122-1/2"-EN5C GS-106-1/2"-EN5C GD-101-1"-EN5C GS-113-1"-EN1C SV 7645 GS-121-1/2"-EN5C EN5C SV 7646 EN1B EN5C GS-107-1/2"-EN5C GS-159-1/2"-EN5C GD-102-1"-EN5C SV 7640 TIMER K1 3/8" OG-77-1 EN1B TSH 7704 A H C252 PI 7636 SV 7633 PT 7636 GS-106-1/2"-EN1B PS 7636 SV 7634 OG-78-1 (LIMIT SW.) EN1B EN1C IN FOYER LOCATED IN OG-85 OG-84 BY INST. FIXED SAMPLER EN5C SV 7638 SV 7637 GS-122-1/2"-EN5C EN5C EN1B HS 7639 GS-106-1/2"-EN5C EN5C GS-117-3/8"-EN1C PCV 7772 GS-158-3/8"-EN5C 4 3 2 GS-118-1/2"-EN5C XX 0001 PI 7702 C BY INST. PCV 7771 PCV 7770 NH-54823-2 EN5C (B,1) GS-112-1"-EN1C FROM D REVISIONS 1 DWN: APPR: CHK: 76 A/R 01121715 JJP 3-5-08 RMG 3-12-08 BJR 3-11-08 11951 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 NH-54822-2 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 A Xcel NORTHERN STATES POWER COMPANY MONTICELLO NUCLEAR GENERATING PLANT Energy sm P&ID OFF-GAS MODIFICATION ENGINEERING FLOW DIAGRAM OFF-GAS STORAGE AREA REV 77 RM 7858A RM 7858B 77 601000000421 APPR: SJH 7-11-18 CHK: DWN: BAL 7-11-18 JJP 7-9-18 77

OGSA-17 OGSA-19 WAS REPLACE UNDER MODIFICATION 95Q070 AND IS NOT A BELLOWS SEAL TYPE. 1"x2" OGSA-16 OGSA-18 PI 4961 OFF-GAS COMPRESSOR SEALING AIR SYSTEM (B,7) TO OGSA-11 NH-54823-4 (C,5)(C,6) (B,5)(B,6) REVISIONS THIS DWG. SUPERSEDES SUNTAC NUCLEAR CORPORATION DWG. NF-54823 C252A 7583 HCS 4 PORT (B,8) NH-54822-2 A L C252 A H C252 C252 NH-54823-4 (C,4) FROM C1003-B FROM C1003-A (B,4) NH-54823-4 AS-108-1/2"-B1 NH-54823-4 (B,7) FROM (SEAL AIR SYSTEM) A L C252 A H C252 A H C252 C252 7603A PS C252D 7613 RI C252D 7612 RI A H C252 C252 7610 TY A H C252 A H C252 A H C252 ELEMENTARY & WIRING DIAGRAM SH. 9 NF-51156 NF-51163 NF-54831 NF-56210 4. ELECTRICAL - ELECTRIC HEAT TRACING 3. ELECTRICAL - RECOMBINER & STORAGE AREA RAD. ALARMS, REFERENCE DRAWINGS: ELECTRICAL - ELEMENTARY & WIRING DIAGRAM SH. 4 ELECTRICAL - SINGLE-LINE DIAGRAM 2. 1. 1. 2. 3. COMPRESSOR ROOM. GS-112-1"-EN1C, GS-111-1"-EN1C RUN IN LEAD COVERED TRENCH IN COMPRESSOR SUPPLY & OUTLET PIPING, GOL-112-3"-EN1C, GOL-113-2"-EN1C, ALL PROCESS VALVES ARE BELLOWS SEAL TYPE EXCEPT AS NOTED. VALVE OG-106 FOR GENERAL NOTES, LEGEND, REFERENCE DWGS. ETC. SEE DWG. NF-51133 & NH-36032 (M-100). NOTES: 20 PSIG GOLE-114-6"-HN2C SPECT. BLIND TA-109 TA-108 GOLE-114-6"-HN2C S.C. OG-131 OG-132 TO H&V AI-189 AI-185 AI-184 AI-188 AI-187 AI-186 HCV 7583 SV 7798 SV 7798 PCV 7797 PCV 7796 PCV 7795 GN4C EN1C OG-108 OG-107 IA-6-1"-JB NH-36049-14 TO EN1C GS-134-2"-EN1C GS-156-1"-EN1C (SEAL AIR SYSTEM) (SEAL AIR SYSTEM) & PSL-7622B NH-54823-4 FROM PSH-7625B FROM SV-7768B (C,5) NH-54823-3 (C.W. SYSTEM) GOL-128-2"-EN1C OG-127B LOCK OPEN GOL-113-2"-EN1C OGSA-6-2 GOL-132-1"-EN1C GOL-142-1"-EN1C PSV 7735B OG-125-2 OGSA-7-2 OGSA-13-2 GOL-129-1"-EN1C GOL-141-1"-EN1C PI 7687B PI 7686B OG-134-2 OG-111-2 LOCK OPEN OG-127A GS-136-1 1/2"-EN1C OG-125-1 GOL-143-1"-EN1C 2" OGSA-13-1 OGSA-6-1 GOL-133-1"-EN1C GOL-140-1"-EN1C GOL-131-1"-EN1C OGSA-7-1 PSV 7735A PI 7687A PI 7686A (VENT DUCT) (FOYER) TW 7610 TE 7610 TT 7610 TI 7610 RI 7611 RM 7611 RM 7613 FROM NH-54817-4 RR-7573 GS-135-1 1/2"-EN1C GS-153-1"-EN1C FROM PSH-7625A NH-54823-4 & PSL-7622A (C.W. SYSTEM) NH-54823-3 (B,5) FROM SV-7768A GS-152-1"-EN1C " EN1C OG-111-1 OG-134-1 INTERCOOLER 11 12 GS-137-1"-EN1C GS-154-1/2"-EN1C AFTERCOOLER 12 GS-112-1"-EN1C GS-132-1"-EN1C GS-151-1"-EN1C 12 COMPRESSOR OFF-GAS C-1001B GS-155-1/2"-EN1C C-1001A OFF-GAS COMPRESSOR 11 GS-111-1"-EN1C 11 CONTROL PANEL MTD. IN COMPR. GS-133-2"-EN1C EN1C PSV 7593A PI 7724A (OIL) TSH 7598B TW PSV 7600B AFTERCOOLER TW TSH 7598A PSH 7595A PSL 7594A TO (D,1) NH-54822-2 GS-112-1"-EN1C LOCAL CONTROL PANEL "A" SV 7604A OG-73-1 PSH 7601A OG-75-1 OG-74-1 SV 7605A PI 7729A SEP. SNUBBER SNUBBER SEP. T F F SEP. TE 7726B TE 7725B DRIVE FIRST STAGE STAGE SECOND F-2803A F-2803B GOL-112-2"-EN1C ROD B1 EN1C SECOND STAGE (OIL) INTERCOOLER DRIVE STAGE FIRST PI 7724B PSV 7593B EN1C B1 GS-140-1"-EN1C OG-133-2 SV 7592B REACH OG-64-2 SV 7591B OG-64-1 REACH ROD OG-133-1 SV 7592A SV 7591A OG-124-1 OG-124-2 PSL 7590 TE 7589 GS-124-1"-B1 GOL GS OG-113 PI 7588 OG-73-2 SV 7604B OG-74-2 OG-75-2 SV 7605B SEP. PSH 7601B PS 7603B PI 7729B PANEL "B" CONTROL LOCAL GS-128-1"-EN1C ROD REACH OG-106 GS-126-1"-HN2C GS-129-1"-EN1C EN1C EN1C B1 EN1C OG-138 OG-104 OG-105 GSE-101-2"-GN4C GOLE-112-3"-HN2C FROM (D,8) NH-54822-2 GDE-101-2"-GN3C TI 7589 TS 7589 TE 7726A TE 7725A PI 7629A PSL 7627A TO PSL-7627A TA-107 TA-106 TA-101-3"-B1 INJECTION OG-135 TANK COLLECTION V-811 DRAIN LIS 7584 PCV 7734 PSL 7594B PSH 7595B PI 7629B PSL 7627B GOL-127-3"-EN1C GOL-113-3"-EN2C GOL-130-2"-EN1C GS-135-1"-EN1C GS-130-1"-EN1C GOL-130-2"-EN1C GS-138-1"-EN1C EN1C GN4C EN1C HN2C COMPRESSOR SUCT. FILTER F-2801A 11 12 F-2801B COMPRESSOR SUCT. FILTER HN2C EN1C TA-104-3"-B1 OG-123-2 OG-123-1 TA-105-3"-B1 EN1C B1 EN1C B1 TA-102-3"-B1 B1 HN2C OG-118-2 3" OG-122 OG-119 3" OG-118-1 TA-103-3"-B1 B1 HN2C OG-136 OG-120-1 OG-121-1 GOLE-126-3"-HN2C GOLE-112-3"-HN2C 3" 3" OG-121-2 OG-120-2 PSV 7600A SEE NOTE 3 FI 7587 dPAH 7586 dPIS 7585A dPIS 7585B OG-63-2 OG-63-1 1/3 KW HEATER PRE-COMPRESSION E-615 OG-59-1 OG-59-2 TSH 7720 TE 7720 OG-3-6"-ED TO STACK WALL DELAY PIPE 42"Ø 1" GN4C OG-157 GS-157-1"-EN5C GS-157-1"-EN5C NH-54822-2 (D,7) FROM EN5C TAL-7763 NH-54822-2 (D,8) TO TSL 7765 TE 7765 OG-110 SCREEN TEST BLOWER C-1005 FLEX. CONN. EN1C GN4C OG-114 GN4C EN1C OG-112 GS-101-1"-EN1C FROM COMPRESSED OFF-GAS SYSTEM EN3C GN4C OG-109 OG-126 GN4C EN3C FROM (D,8) NH-54822-2 GS-106-1"-EN1C GS-106-1"-EN3C 8 7 6 5 4 3 2 1 A B C D 1 2 3 4 5 6 7 8 D C B A NH-54823-2 (A,6) M-131 (B,8) OG-163 TS 7717 8936 A/R APPR: CWB 9-8-06 CHK: DWN: BAL 9-7-06 JJP 9-7-06 76 EC 01047260 DWN: APPR: CHK: 77 A/R 01121715 JJP 3-5-08 RMG 3-12-08 BJR 3-11-08 11951 EC NH-54823-2 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 A Xcel NORTHERN STATES POWER COMPANY MONTICELLO NUCLEAR GENERATING PLANT Energy sm P&ID OFF-GAS MODIFICATION ENGINEERING FLOW DIAGRAM COMPRESSOR BUILDING REV 82 OG-212-1 OGT-4-1 OG-211-1 OG-196-1 OG-193-1 LI 7701 OG-198-1 OG-197-1 OG-195-1 OG-194-1 (A,5) NH-54823-4 TO OG-215-1 OGT-5-1 OG-201-1 OG-200-1 OG-202-1 OG-203-1 OG-204-1 OG-199-1 T 7702 LI OG-207-1 OG-205-1 OG-209-1 OG-208-1 OG-210-1 7703 LI OG-206-1 T OGT-6-1 OG-201-2 OG-202-2 OG-204-2 7705 LI OG-200-2 OGT-5-2 T OG-199-2 OG-203-2 TO PSV-7740A NH-54823-4 (A,5) OG-211-2 OG-212-2 TO OG-215-2 NH-54823-4 (C,5) OG-195-2 OG-194-2 OGT-4-2 7704 OG-198-2 OG-196-2 OG-197-2 OG-193-2 LI T OG-207-2 OG-206-2 OGT-6-2 7706 OG-210-2 OG-208-2 OG-209-2 OG-205-2 LI T TO PSV-7740B NH-54823-4 (C,5) JJP 11-10-09 13606 KC 9-16-09 JJP 9-14-09 12894 AG 9-16-09 79 EC DWN: CHK: APPR: AG 11-11-09 KEC 11-11-09 EC 78 DWN: CHK: APPR: 18098 APPR: DZ 4-29-11 CHK: DWN: AG 4-29-11 JJP 4-26-11 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 24308 APPR: BJH 11-18-14 CHK: DWN: BAL 9-15-14 JJP 9-12-14 81 EC 26410 APPR: SJA 5-5-17 CHK: DWN: BAL 5-5-17 JJP 5-4-17 82 EC 82 PI 4962

CW-101-1 1/2"-C4 SV 7768B CONTROL PANEL B PLUG STAGE SECOND EXPANSION POT V-814B V-814A EXPANSION POT CW-102-1 1/2"-C4 CONTROL PANEL A SV 7768A SECOND STAGE COOLING WATER COOLING WATER TCV 7608A RFG-1-1 SV 7607A A 8 COMPRESSOR PSL 7894A RFG-3-1 PI 7693A FILL CV 7737A M 11 C-1002A CHILLER CHW-6-1 PS 7696A RFG-2-1 CHW-7-1 CHW-8-1 PI 7690A TS 7609A NH-54823-3 B C D COMPRESSOR FILTER DRYER RECEIVER PSV 7739A MUFFLER RFG-3-2 PSL 7894B PI 7693B FILL R-104-1/2"-C4 R-102-7/8"-C4 MOISTURE IND. RFG-7-1 S.G. RFG-6-1 PCV 7801A 12 7696B M PS PI 7690B C-1002B CHILLER CHW-6-2 CHW-7-2 CHW-8-2 FILTER DRYER PSV 7739B RECEIVER CV 7737B MUFFLER 8 MOISTURE IND. R-101-7/8"-C4 SV 7607B RFG-2-2 RFG-1-2 S.G. TCV 7608B TS 7609B PCV 7801B RFG-7-2 R-103-1/2"-C4 RFG-6-2 STAGE OFF-GAS COMPRESSOR CHILLED WATER SYSTEM 7 6 CHW-23-1 LOW POINT CHILLER PSH 7691A 7695A PI PI 7692A 11 1/4" PSV 7606A CW-104-1 1/2"-C4 FS 7606A CHW-10-1 TW TI 7728A 5 TI 7840 INTERCOOLER AFTERCOOLER 11 11 TI 7727A TW CHW-27-1 CHW-22-1 CHW-25-1 X FI TI 7841 CW-103-1 1/2"-C4 1/4" PSH 7691B CW-104-1 1/2"-C4 CONDENSER RFG-5-1 RFG-4-1 V 11 V PSV 7738A 7695B PI CHW-23-2 LOW POINT TC 7688A CHW-16-1 CW-111-1 1/2"-C4 CHW-16 CHW-12-1 CHW-15 CHW-16-2 CHW-10-2 TI 7728B CW-104-1 1/2"-C4 CONDENSER CHILLER PI 7692B 12 PSV 7738B RFG-4-2 RFG-5-2 7 TC 7688B V 12 PSV 7606B CHW-12-2 6 AFTERCOOLER AUX. COMPRESSOR CW-109-1/2"-C4 DRIVE INTERCOOLER CW-103-1 1/2"-C4 FS 7606B 12 12 FI-7721-A C-1001A 11 FIRST C-1003A 11 11 CHW-27-2 CHW-22-2 TI 7727B TW CHW-25-2 TI 7842 AUX. COMPRESSOR CW-105-1/2"-C4 DRIVE FI-7721-B FIRST STAGE C-1001B 12 X FI TI 7843 C-1003B 12 5 12 THIS DWG. SUPERSEDES SUNTAC NUCLEAR CORPORATION DWG. NF-54823 FOR GENERAL NOTES, LEGEND, REFERENCE DWGS. ETC. SEE DWG. NF-51133. ALL PROCESS VALVES ARE BELLOWS SEAL TYPE EXCEPT AS NOTED. COMPRESSOR SUPPLY & OUTLET PIPING, GOL-112-3"-EN1C, GOL-113-2"-EN1C, GS-112-1"-EN1C, GS-111-1"-EN1C RUN IN LEAD COVERED TRENCH IN ELECTRICAL - ELEMENTARY & WIRING DIAGRAM SH. 4 ELECTRICAL - RECOMBINER & STORAGE AREA RAD. ALARMS, PSV 7804A 4 CHW-14-1 TCV 7597A FI-7767-A NH-54823-2 (A,2) TO LOCAL CHW-21-1 HIGH POINT CHW-26-1 HIGH POINT CHW-20-1 CW-102-1/2"-C4 CW-108-1/2"-C4 3 2 NH-54823-4 AS-110-1/2"-B1 CW-101-1 1/2"-C4 TO LOCAL TO ATM. CHW-13-1 C4 3/4" PSV 7733A BY PIPING B1 CW-112-1 1/2"-C4 CHW-24-1 HIGH POINT CW-110-1/2"-C4 LG 7768A 3/4" CHW-9-1 3/4" CW-107-1/2"-C4 NH-54823-2 (D,3) FI-7767-B HIGH POINT CHW-21-2 CHW-26-2 CHW-5-2 CHW-5-1 1/2" C4 B1 CHW-2 CHW-19 CHW-20-2 HIGH POINT CHW-14-2 C4 B1 CW-106-1/2"-C4 TCV 7597B CHW-13-2 C4 3/4" PSV 7804B HIGH POINT CHW-24-2 3/4" TO ATM. PSV 7733B BY PIPING B1 LG 7768B 3/4" CHW-9-2 4 CW-102-1/2"-C4 PI 7630 MAKE-UP TANK V-812 25 GALLON CHW-1 CHW-3 BY PIPING LG 7768A CHW-4 OGSA-10 1/2" 3/8" (B,4) TO REFERENCE DRAWINGS: ELECTRICAL - SINGLE-LINE DIAGRAM ELECTRICAL - ELECTRIC HEAT TRACING ELEMENTARY & WIRING DIAGRAM SH. 9 NOTES: COMPRESSOR ROOM. 4. 3. 2. 1. 3 1. 2. 3. 2 1 A NF-56210 NF-51163 NF-51156 NF-54831 DWN: APPR: CHK: 76 1 REVISIONS 01121715 JJP 3-5-08 11951 RMG 3-12-08 BJR 3-11-08 EC A/R B C D 20278 APPR: JPC 9-4-12 CHK: DWN: PEB 8-9-12 JJP 8-8-12 77 EC NH-54823-3 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 A Xcel NORTHERN STATES POWER COMPANY MONTICELLO NUCLEAR GENERATING PLANT Energy sm P&ID OFF-GAS MODIFICATION ENGINEERING FLOW DIAGRAM COMPRESSOR BUILDING REV 79 TS 7689A TS 7689B 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 25066 APPR: TGK 9-22-15 CHK: DWN: BAL 9-2-15 JJP 8-28-15 78 EC CHW-31-2 CHW-30-2 CHW-29-2 CHW-28-2 CHW-31-1 CHW-30-1 CHW-29-1 CHW-28-1 PLUG 601000000662 APPR: SJH 5-11-18 CHK: DWN: BAL 5-11-18 JJP 5-11-18 79 PLUG 79 PLUG 79 CHW-32-1 CHW-32-2

OG-155-2 OG-155-1 T T PI 7621B PI 7621A AI-776 A 8 OGSA-14-1 C-1003A AIR COMPRESSOR AUX. SEALING SUMP NH-54822-2 (B,1) TO OGH BLDG. 11 WA-101-1"-B1 OGT-7-1 NH-54823-4 B C D OGSA-14-2 AUX. SEALING C-1003B AIR COMPRESSOR WA-102-1"-B1 PSV 7620A 12 NH-54823-2 (D,6) FROM AI-187 GS-124-1"-B1 TO V-811 (C,5) NH-54823-2 PSV 7620B OGT-7-2 8 EN1C EN1C OG-214-1 C-1001-A DRIVE OFF-GAS COMPRESSOR SEALING AIR SYSTEM 7 6 NH-54823-2 CONTROL PANEL TO LOCAL C-1001B TSH 7773A AS-110-1/2"-B1 (D,2) PAL 7622A OG-213-1 5 NH-54823-2 TO SEPARATOR ON C-1001A AS-119-3/8-EN1C AS-117-1/2-EN1C OG-215-1 PSV 7740A 11 STAGE FIRST TO GOL-140-1"-EN1C NH-54823-2 (A,3) (B,4) AS-114-1/2"-B1 PCV 7623B 3/8" OG-214-2 OGSA-4-2 AS-113-1/2"-B1 PCV 7623A 3/8" OGSA-4-1 DRIVE C-1001-B OGSA-2-2 OGSA-2-1 TO LOCAL C-1001B CONTROL PANEL NH-54823-2 OGSA-11 OGSA-20 OGSA-8 OGSA-1-1 TSH 7773B AS-108-1/2"-B1 OGSA-1-2 OGSA-12 AS-116-3/8-EN1C PI 7624A AS-104-1/2"-B1 TYP 3/8" OGSA-15-1 OGSA-3-1 PSL 7622A OG-213-2 FI 7626A AS-105-1/2"-B1 TYP PAL 7622B (D,2) OGSA-3-2 PSL 7622B OGSA-15-2 7 PI 7624B 3/8" FI 7626B 6 AS-105-1/2"-B1 PSH 7625B NH-54823-2 TO SEPARATOR ON C-1001B PSH 7625A CONTROL PANEL TO LOCAL C-1001B OG-215-2 AS-120-3/8-EN1C AS-118-1/2-EN1C B1 7740B 3/8" B1 EN1C PSV 12 B1 FIRST STAGE 3/8" TO GOL-141-1"-EN1C NH-54823-2 NH-54823-2 PAH 7625A (D,2) (C,3) AS-104-1/2"-B1 (D,4) B1 PAH 7625B TO LOCAL C-1001B CONTROL PANEL NH-54823-2 (D,2) B1 5 P&ID OFF-GAS MODIFICATION ENGINEERING FLOW DIAGRAM COMPRESSOR BUILDING 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. THIS DWG. SUPERSEDES SUNTAC NUCLEAR CORPORATION DWG. NF-54823 FOR GENERAL NOTES, LEGEND, REFERENCE DWGS. ETC. SEE DWG. NF-51133. ALL PROCESS VALVES ARE BELLOWS SEAL TYPE EXCEPT AS NOTED. COMPRESSOR SUPPLY & OUTLET PIPING, GOL-112-3"-EN1C, GOL-113-2"-EN1C, GS-112-1"-EN1C, GS-111-1"-EN1C RUN IN LEAD COVERED TRENCH IN ELECTRICAL - ELEMENTARY & WIRING DIAGRAM SH. 4 ELECTRICAL - RECOMBINER & STORAGE AREA RAD. ALARMS, 4 (C,3) 3 2 TO GOL-112-2"-EN1C OGSA-10 CW-108-1/2"-C4 NH-54823-3 TO V-812 OG-156-1 EN1C (C,4) NH-54823-2 TO GOL-112-2"-EN1C OG-156-2 EN1C NH-54823-2 (C,5) 4 NOTES: COMPRESSOR ROOM. ELECTRICAL - SINGLE-LINE DIAGRAM REFERENCE DRAWINGS: ELECTRICAL - ELECTRIC HEAT TRACING ELEMENTARY & WIRING DIAGRAM SH. 9 4. 2. 3. 1. 3 1. 2. 3. 2 REV MONTI CAD DWG ` ' NH-54823-4 1 Energy NORTHERN STATES POWER COMPANY Xcel sm SCALE: NONE 79 A A NF-56210 NF-51163 NF-51156 NF-54831 AG 11-11-09 CHK: APPR: KEC 11-11-09 DWN: APPR: DWN: CHK: APPR: DWN: CHK: 78 77 76 1 JJP 9-14-09 KC 9-16-09 AG 9-16-09 12894 13606 JJP 11-10-09 EC EC 11951 JJP 3-5-08 01121715 REVISIONS RMG 3-12-08 BJR 3-11-08 EC A/R B C D 19531 APPR: JJH 2-7-12 CHK: DWN: BAL 2-7-12 JJP 2-7-12 79 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 79 AS-115-3/8"-EN1C

~H-9119~ 7 D C B A r - - - - - - - - - 7 I I I ,,,...._..--.L,,--....___,--.__..,,..-,1 I ~s~~ VALVE LOGIC PANEL C259 I I I ~ 283A I C I SA I I I I I L_.....J VALVE LOGIC PANEL C260 OA-30-3/4"-Ef 6 ~ 838 C B I I I I I I I I 5 C283B -m------ !:~ £AGENT REAGENT GAS GAS PRESSURE REGUlATOR {3) CALIBRATION GAS 4 C283A ~ ------- 1 I I CALIBRATION REAGENT GAS OA-21-3 4"-Ef 4 ANALVZER .f.ANEI....A ANALVZER .eM:IEL.....B PAS-34-3/4"-EF DYN-91-1 3 3 2 1-1 ~""'R"'"EVl~Sl=ON"""'S'---_;-7-1 76 EC9820

1.

OEl.fJEO

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3.

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

4.

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

6.

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

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

3.

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

4.

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

5.

POST-LOCA COMBUSTIBLE GAS COITTROL SYSTEM P&ID...................... NH-94896 & NH-94897 NUCLEAR SAFETY RELATED NUTECH FlLE No. 30.0451.1201 'A/R 01016326 DWN:.lJP 6-4-07 CHK: BAI. 6-4-07 Al'PR: JSO 9-7-07 n EC11951 'A/R 01121715 DWN:.lJP 3-5-08 CHK: llJR 3-11-08 Al'PR: RIIG 3-12-08 78 EC15934 DWN: Jll 10-29-10 CHK: DOW 12-8-10 Al'PR: AYIL 1-24-11 -~'111:XPA -ISE.CIASS'i/rl)NJftGll:XPB -/SE. aASS 3'/Ql>>IJIY '111:XP C -QIWJIY GROUP D -SlfEl'f R£lATEll - SAII1Y R£lATED ELECTRICAL TMs map/docu~nl is to assist emplcyees in the performance of their jobs. Your personal safety is provkkd for by using solely practices, pr~~ures and equip~nt os ckscribed in safety training programs, manuals and SPAR's. "1.t"'O""N"'TI'°"C"°A"'o'"""'ow"'G,.....-.G,-,1 P&ID CONTAINMENT ATMOSPHERE MONITORING SYSTEM SCALE: NONE REV 78 D C B MONTICELLO NUCLEAR GENERATING PLANT fl Xcel Energy-llDUIIStaiS ~<<thtl( 2 NH~9119~

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-7 REVISIONS mIES

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

1.

ROCKWELL INTERNATIONAL HYDROGEN RECOMBINER P&ID DWG Nl 16000320.

2.

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

3.

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

4.

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

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

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5 4 CGC28-6" -CA~ I r-I I ~C2848 ..._ ____ - --- - - ~~- - --- - - --- 43858 - - ~B ~-------------------- I FG L!=~RAIN<fil 7I I I I I I ~e I i I I I I cyc285B I I CGC-P1 B I t;GC6B-1 %" -CA 8 L---~----- CGC7B-2"-CA r_J I

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1"*%* RED au,,/ ~ I I %"x1" RED 1/ " DRAIN LINE 3/." DRAIN LINE 3/4"x1" RED I SAFEIY NON-SAFEIY A 3 2 .tlll£S. [I:>- lHE INLET AND OUll£T PIPING SHALi. BE SUITABLY SITUAlID SUCH THAT N<< CONDENSA1£ WHICH MAY COLLECT WILL NOT INHIBIT RECOMBINER OPERATION. DELETED CAM SAMPLE LINES MUST TN' TOP OF CGCS PROCESS LINES. VM..Vf. TO BE LOCAlID NEAR lHE RHR AUXILIARY AIR TN'. DISCHARGE INTO DRAIN LOCAlID UNDER lHE RECOMBINER SKID. ROOT VM..Vf. TO BE LOCAlID NEAR lHE CONNECTION m PROCESS LINE. INSIRUMENT m BE ADDED LATER. PLUG AT REDUCERS ADOED m CAP OFF INSIRUMENT LINES. DELETED. FOR INSTM..LATION Of FT 4039B ANO DPT 43858 INSTRUMENT LINES, SEE OWG. NQ-119D13-1. REFERENCE PftAWJNGS:

1.

ROCKWEil. INTERNATIONAL HYDROGEN RECOMBINER Pc!dD OWG Nl 1600032O.

2.

CGCS SYSTEM DESIGN SPECIFlCATION. NSP-63-101.

3.

CGCS DIV. II El..EMENTNrf DIAGRAM NF-94895-1.

4.

CAM SYSTEM Pc!dD NH-91197. ABANDONED IN PLACE

k. RECOMBINER UNIT C2888

__J ~ {BY OlHERS SEE REF. 1) NUCLEAR SAFETY RELATED NUTECH FlLE No. 30.2363.0213 MONTICELLO NUCLEAR GENERATING PLANT tl~::1n,!?Y- ') 1 REVISIONS 76 EC9820 'A/R 01016326 OWN: JJP H-07 CHK: 1W. H-07 .6JlPR: JSO 9-7-07 n EC11951 'A/R 01121715 DWN: JJP 3-5-00 CHK: llR 3-1 HI! .6JlPR: RIIG 3-12-()8 78 EC13161 DWN: JJP 10-3-()8 CHK: 1W. 10-3-00 .6JlPR: ll lo-6-()8 - ~ A -AIE CUSS 'i/JIUff _., I -AIEaJISSYJIPIJff_.,C -CltWJIYGROUP D D C B -SlfEIY IIUIB) IIDWICM. A -SAFEIY RELATED ELECTRICAL 1

(\\ > \\ \\ 1 f 0 LEGf'!IO ---- ~p CO PROPERTY f::;:;;J SCALE 1/4 1/2 3/4 1 MILE 1 ~ RANGE 28 W RANGE 25 W TWP 3~N A ~ REVISIONS D AS BUILT, REYI.SED PER LAND ACQUISITION A001) LOW POP. zowe RADIUS PER ORR MO* 88*%. DWN: REH ~ -1.3 *1!,l!J CI-IK:_9;?/ f';/6-f'? MOD,,,, _,__ F-ILMEO: l/.~8-88 '1...--...q..JIIINHUI FEIICttl ;.REA E AS-BUILT: MONTICF.lLO NUCLEAR GENERATING PLANT UNIT 1 Ei<<:LUSION 'Z.ON E ANO RESTRICTED.A.R.E" BOUNDARY TOTAL Al<r.A UPDATED TO REF'_ECT CURRENT CONF1GJRATION OF SITE ARRANGEMENT AND STRUCTURES (USAR ISSUE #221 )/CR ORR: M0-98-0199 OWN: JJ,G1 ~2-28-98 CHK;.;U<YL ll.:Z/f-'/t* MOD. ,---f/...; FILMED: 1-/9,q<:i MONTI CAD DWG 'E' SIGNIF:CANT NUMBER 8700 AR 1, 621 O 2 GEL GROUP 2 3 4 5CL6 MONTICELLO NUCLEAR GENERATING PLANT MONTICELLO PROPERTY MAP NORTHERN STATES POWER COMPANY SCALE; NONE REV E M[NNEAPOLIS N O - 9 5 2 0 8

Withheld Security-Related Information Withheld Security-Related Information

D C 8 A 8 7 6 5 4 3 2 1 NH-11 9062 REVISIONS 76 EC11951 ~

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H-38 1/4* .----ta:if------=--.:....:~1--------------1-------------allF-IE-------"------------' 1* H-11 1/4" CHEMICAL DRYER S-73 BOOSl£R AIR

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-Mft-n-A -186. cuss,..,.... -ia1:am~mFc -CllWJIY GROUP D -SMIJY IIWED IIDWICM. SAf£lY REIATED ELECTRICAL REDRAWN FROM CHEM NUCLEAR DWG. No. C-J.40-E-0519 REV. E MONTICELLO NUCLEAR GENERATING PLANT UNIT 1 2 SIGNIFICANT NUMBER 8700 700 GROUP 2 J 4 MONTICELLO NUCLEAR GENERATING PLANT RDS-1000 P & ID 1 D C 8

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

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