ML16155A259

3 to the Updated Final Safety Analysis Report, Section 15, USAR Drawings, Drawing NH-36665, Rev. 97 Through Drawing NH-178635, Rev. 87

ML16155A259
Person / Time
Site:	Monticello
Issue date:	01/26/2016
From:	Northern States Power Co, Xcel Energy
To:	Robert Kuntz Division of Operating Reactor Licensing
Kuntz R, NRR/DORL/LPLIII-2 , 415-3733
Shared Package
ML16054A376	List: L-MT-16-004, 3 to Updated Final Safety Analysis Report, Drawings NF-36058 Through NH-36243-1, Rev. 82 (Public) ML16054A388 ML16054A413 ML16054A414 ML16054A415 ML16054A416 ML16054A417 ML16054A418 ML16054A419 ML16054A420 ML16054A421 ML16054A422 ML16054A423 ML16054A424 ML16054A425 ML16054A426 ML16054A427 ML16054A428 ML16054A429 ML16054A432 ML16054A434 ML16054A435 ML16054A436 ML16054A438 ML16054A439 ML16054A440 ML16054A441 ML16054A442 ML16054A443 ML16054A444 ML16054A445 ML16054A446 ML16054A447 ML16054A448 ML16155A258 ML16155A259
References
L-MT-16-004
Download: ML16155A259 (19)

Text

{{#Wiki_filter: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 BS 2414 JF SW21-6"-JF PI 7361B RHRSW-23-2 3/4"-130 PI 7331 SW-21-2 1"-223 SW-238-2 SW-237-2 PCV 3005 RHRSW-19-2 RHRSW-45-2 RHRSW-18-2 dPI 2415 1"-223 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 97 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 4"-HBD-CK 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 BS 1980 A H C242 dPIS 4020 AV 4024 H ESW-44 1"-CBA-GB 4"x3" HIGH 1"-CBA-GB ESW-42 ESW-28 4"-HBD-CK 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 1"-223 1"-223 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" EC 13316 94 APPR: CHK: DWN: RHRSW MOTOR COOLING DETAIL 1 SUPPLY STRAINER RHRSW-65-X APPR: CHK: DWN: RHRSW-64-X RHRSW-64-1 NO. STRAINER SELECTOR VALVE 95 EQUALIZING RHRSW-65-1 STRAINER VALVE 1955-X dPIS 19XX BS 19XX INSTR KEC 4-21-10 BAL 4-21-10 JJP 4-20-10 20176 CER 11-12-12 BAL 10-30-12 JJP 10-29-12 EC APPR: CHK: DWN: APPR: CHK: DWN: APPR: CHK: DWN: 93 92 91 JJP 5-4-09 DDW 9-23-09 JJP 9-23-09 BAL 5-4-09 DJP 5-5-09 14190 15578 BAL 2-22-10 JJP 2-22-10 AG 2-22-10 VJK 9-23-09 EC EC 14065 EC 1 REVISIONS C D 18341 APPR: ERN 2-27-13 CHK: DWN: BAL 2-27-13 JJP 2-27-13 96 EC 4"x3" 4"x3" ESW-97 ESW1-4"-HBD ESW-96 4"x3" 17642 APPR: NEO 2-6-15 CHK: DWN: BAL 2-5-15 JJP 2-2-15 97 EC HBD JBD 97 97 97

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"-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"-54 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" 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"-54 TSW-11 (C,2) (C,5) 1971 CV 1971 PC "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 D111-07 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 90 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 90 M-131 NH-36049-3 (D,3) M-131 NH-36049-3 (D,3) 90

NE-36771-4

1. 111 -480V MCC.B11 t '"' t

,-l--1--r-l

}--j-~j 1 flg:

B11~7-f-l~- __ J RPS M/G SET A (#11) A B MOTOR: 25HP, 460V, 3¢, 60HZ r-#-=f~=-:~---.-J.{ ~~1L2 1-ul---- ~EN: ~8.75~~\\~3~~L~~i ~~~/2~z

1. 111-480V MCC lll1 J_

{}~~-f;: 100A L+---~~J 70A B1130*¢

~ H1 H4 Y60Q r=-- *--- ---, 25 KVA-480-2 +/-2 1/2%/120V H 1 H4 ~ o 1 t-RPS ALTERNATE FEED SCHEME CKT NO. NO.

1. 141-480V MCC ll11 Y5003A 3A Y5004A 4A Y5005A SA Y5006A 6A

~~ ~::- t r{--f-r-, I )- -:)--) : 225A B41~f-l--l-J 150

PS M/G SET B (#12)

A ~ C MOTOR: 25HP, 460V, 3¢, 60HZ G60 t t ~ GEN: 18. 75KVA, 120V, 1 ¢, 59 1/2. HZ OR EQUIVALENT ,- - - -----------------l RPS DISTRIBUTION PANEL "A" Y5D (F.P.#5828-E 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 I C15 TYPICAL FOR SCHEMES Y5003A THRU Y5005A RPS DISTRIBUTION PANEL "B" Y40 (F.P.#5828-E-14-11 & 12) ROUTING WIRE SIZE

1. 2
2. 10
3. 10 2-3/C #1 0 WIRE NOTES:

CD MANDATORY ROUTING SEPARATION OF SCHEME B1107 FROM B4107 (?)MECHANICAL INTERLOCK ON RPS PANEL Y40- Y50 BLOCKS SIMULTANEOUS CLOSING OF THE FOLLOWING PAIRS OF CIRCUIT BREAKERS: 1A-2A 1B-2B 2A-2B G)ALL CABLING BETWEEN MCc'S lll1& 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. f.l T, I rr 1 POWER TRANSFORMER J:]Q I X4 X3 X2 X1 I I L--::- ------J EPA#157 -E~{t-1 A _;~:fit-I REACTOR PROTECTION SYSTEM MG SET A CONT. BOX I j (FOR INTERNAL WIRING SEE F.P. #5828-E-14-1) i

1. f~~--11---~-t.~,. G~l ~~~~--~lliX-9065-3)_ __ --.--j r----, I L ~E..t~T0~3 PROTECTION SYSTEM MG SET B CONT. BOX t

.~ I (FOR INTERNAL WIRING SEE F.P. #5828-E-14-1) J ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~158 (-{ ~--~~-~~;I?~X-9065~~75J~ ~~-~-~-~-~~~~~~~-~~~~~~~~~-~ SEPARATION SIZE FROM SCHEME Y5003A &

1. 2 B1107 G) INDICATING LIGHTS IN SEPARATE ENCLOSURES MOUNTED TO BOTIOM OF PANEL Y60 X1

, X2 f-. {n\\ G2 ! G4 1 1 Y50 r~r ~ AA------ --soliDNEUTRAL ____ ---- -~---- .-.. --.. -~~--~ -~ ------ ------- ---~ ---- *- ----, I ~- I 1 1 -,} l BUS C 1 i

h Y1 t--

NSJ-fE ~~ I JJ-fE --~II l X..( : I ~-~ __ /" ~s31 G) 9 3A

r(DS 1

@) iDS5 '. DS4 )CB1A ,....-- <cB2A MECHANIC~ :;;B2B l _ __ -~ -~- -- ~ "\\ CB1B ! I 225A ,.A200 A INTERLOCK 200 A "7 225 A I I (SEE NOTE @) I BUS A BUS B l II I'ICB3A )CB4A l.)CB5A I.)CB6A I)CB6B L)CB5B I.)CB4B j)CB3B I .JI OOA 30A 15A f15A 15A 15A 30A 1 OOA f I fA1 >"A2fA1 >-A2fA1 >-A2 A1 "'"A2 fs1 B2fB1 '"B2fB1 ~2fB1 rB2 t IB1101I r A,B,C

1. 4 AWG I~ I

~ .. G1,G3 ' #210 AWG IB1130I rH1,H4 IB41071

1. 4 AWG

.1 I Y60 I lf'""f.B,C

1. 2 AWG

"#;~t 2McM I G60 I I Y40 I 'fJ#.i~\\wG Y5004A & B1107 Y5005A & B1107 Y5006A & B1107 TYPICAL FOR SCHEMES Y4003B THRU Y4005B (A1,A2,SP@ -~31 0) I Y50 w Y76 I Vr~\\*~2,SP@ -(~~~~~ IC-304A I ( ) I IJ3050 I 0A1,A2,SP@ >,.J_ (310) 1..-c----'3"'-o 4-o'l SCHEME Y5006A

1. 10 SEE NX-9065-7 & 8.
2. 10 2-3/C #1 0

@SEE G.E. INSTRUCTION MANUAL 914E175 FOR ELECTRICAL PROTECTION ASSEMBLIES, EPA. B1,B2,SP@ -""- (310) --,).. I Y40 ~ ,r IC-304Ell B1,B2,SP@ (31 0) Y86 I I C-304DI ) B1,B2 (£/ (2-R06) SCHEME Y4006B REVISIONS ~EC1015 DWN: JJP 1-9-08 CHK: BAL 1-9-08 APPR: NDM 1-10-08 ~EC22629 DWN: JJP 2-13-14 CHK: BAL 2-17-14 APPR: ASH 2-18-14 I ~ '----v----' ~ ~ ~ ~ ~~ I I (SEE PANEL SCHEDULE THIS SH.) (SEE PANEL SCHEDULE THIS SH.) t I J§Q I SCHEME B1130 SCHEME B11 07 CD I Y40 I SCHEME B41 07 CD BECHTEL JOB NO. 5828 E -111 I RPS DISTRIBUTION PANEL "A" Y50 RPS DISTRIBUTION PANEL "B" Y40 I L (FOR INTERNAL WIRING SEE F.P.#5828-E-14-11) I This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. h-;M~ON""T"I "'CA;;-,;D"D""W""'G---.-,H;-rl ---~--------------------- ___ _j REACTOR PROTECTION POWER SYSTEM RPS M.G. SET "A" RPS ALTERNATE FEED POWER TRANS. SCHEME B1 i"6'i __________ _ SCHEME B1130 REACTOR PROTECTION POWER SYSTEM DISTRIBUTION PANEL Y40 & Y50 MONTICELLO NUCLEAR GENERATING PLANT SCALE: NONE I REV 77 1}, X eel [nergym NE-36771-4

S.B.G.T. INITIATION SIGNAL CHANNEL "B" CHANNEL "A" S.B.G.T. INITIATION SIGNAL 2942 2942 2970 CONTAINMENT C C SV 2944 NE MOISTURE SEPARATOR T-34A-1 & 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 F-34A-3 & 2964 E-34B-1 5 SGTS-2 M-108 NH-36039 DEMIN. SEVV. OTHERS (E,5) BECHTEL SGTS-4 DM-104 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. E/S 2943 2945 E/S 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 HIGH EFFICIENCY FILTER OF OPERATION SYSTEM MANUAL MODE FUNCTIONAL ONLY ON F-34B-2 F-34A-2 & 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) M2 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 HIGH EFFICIENCY FILTER F-34A-4 & F-34B-4 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) 2943 CV NH-36049-14 M-131 A/S BY BECHTEL OFF ON M1 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 78 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 78 C24A L O C

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 DWV-18-2 3290 HS X-218 1"-130 M3 4082 SV C26 4082 HS PRI CONT. ATMOS SAMPLE A B 6 C250 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 C250 DWV-88 3285 O I 2 LOCK AIR CP2-18"-HE DWV-85 DWV-86 DWV-87 3323 2 O I NH-96042-1 SYSTEM TO PAS PRIMARY DRYWELL CONTAINMENT X-27 E PUMP P-89 X-220 (A,5) TO SV-4002B NH-91197 X-26 3/4"-SP19M3 DWV-3 NH-46162 E C D PI PI 3409 FIC ATMOSPHERE SAMPLING PRIMARY CONTAINMENT F-8A TRITIUM SAMPLER OR NOBLE GAS SAMPLER N O F.C. D P 2387 AO 18"Ø FILTER HOLDERS (TYP) PARTICULATE 2 2 M-143 NH-36258 (E,6) 7% RB. AIR TO (C,4) F-8C F-8B C251 1/2"-163 HS 3410 FIC TSV-2 TSV-1 TSV-3 PI 3411 FIC FIC SYSTEM F-8D L O C C26 RETURN C251 (TYP) C251 3412 FIC L O C C26 (A,5) NH-91197 (ALSO SEE) DWV-18-1 (TYP) NOTE 3 (TYP) 3293 SV C251 FILTER SCANNER C251 3289 FCP AUTO 1/2"- DWV-20 DWV-30 DWV-32 DWV-31 C251 DWV-19 SAMPLE PUMP P-86 6 LOCAL PANEL C-251 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 RANGE SWITCH HS 3285D C26 HS 3285B C26

• C251 C251 C251 C251 OA14-"-HS 3304 FIC DUCT TO VENT RETURN SAMPLE OA13-"-HS 3303 FIC "SS TUBE 3301 FIC OA11-"-HS (TYP)

OA12-"-HS 3302 FIC 3295 SV 3296 SV L O C C03 C26 3307 HS B,4 DWV-18-3 P T EF HS N.E. 3307 SV 3294 SV C251* L O C C26 3311 SV C26 3311 HS C L O C C26 1" 3311 CV N.E. DWV-18-4 FILTER C251 C251 3288 DT COALESCFR MOISTURE C251* 3297 SV C251 C251 C251 C251 3298 SV C251* 3299 SV C251* 3300 SV C251 DWV-25 ORW C251 3287 FI 3434 PCV C251 3432 RV 3273 RV NH-36049-13 DWV-38 DWV-18-5 NOTE 3 (C,5) FROM C L O C C26 L O C C03 SAMPLE TO VENT DUCT RETURN DWV-34 DWV-41 M-131 (C,6) 3435 FIC C251 SEE BELOW DRYWELL CAM HS 16A-S31 C04 OUTLET L O C C03 L O C C04 C 3291 HS L H L C251 DWV-39 3285C HS C251 DWV-40 C251 BYPASS P-87 PUMP TANK C251 SURGE OA10-1/4"-HS 3292 PCV DWV-26 3286 FIC V C251 O An 2 3285 E/S 3275 SET @ 2 PSIG 3285A HS C251 C26 C251 3431 RV

• 5 C251 3433 PCV
• 3285 C26 O R 2

A L C20 4 L H L C26 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 ANNUNCIATOR ENABLED WHEN SAMPLE PUMP P-86 IS RUNNING 3 V-CR-7A PRIMARY CONTAINMENT (G.E. 728E993) 5828-APED-7-2 & -3 REFERENCE DWG. IED NEUTRON MONITORING SYSTEM. CONNECTION FOR AIR SAMPLE & RETURN. 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" (ROOT VALVE IS 3/8" WHITEY 1SV6) 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 81 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 4839 RV 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

APPR: SBK 2-6-07 01121715 JJP 3-5-08 RMG 3-12-08 BJR 3-11-08 01123311 JJP 5-21-08 JT 5-22-08 DCA 5-22-08 12558 10094 BL 12-14-09 BAL 12-14-09 JJP 12-11-09 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 APPR: CHK: DWN: 80 EC DWN: APPR: CHK: 78 DWN: CHK: 79 APPR: A/R EC A/R EC 11951 C D TLH 6-14-06 01058113 JJP 2-5-07 BAL 2-6-07 REVISIONS RJF 6-14-06 JJP 6-14-06 01003845 APPR: CHK: 77 DWN: CHK: DWN: 76 A/R EC 9947 A/R EC 8361 1 21325 APPR: DM 2-8-13 CHK: DWN: BAL 2-8-13 JJP 2-6-13 81 EC 81 (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

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 PSV 7574A 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 FE 7569A TW 7679 TE 7679 TT 7679 RGC-9-1 CNC-116-8"-E2 C252 7678 PI P OGR131 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 LCV 7559A PSV 7568A 1"x1" C252 7680 FY A L C252 5 TT 7565A T OGR137 P-902B CONDENSATE COOLANT SUPPLY PUMP RGC-12-2 7678 RGC-14 M PT 7089-2 CS 42-1603 RO C252 12 TE 7565A CNC-119-3"-E2 (PUMP ROOM) RGC-10-1 TW 7565A F OGR132 FI 7681 FE 7680 FT 7680 ( ) ROOM C252 7680 FI PUMP (PUMP ROOM) CNC-124-3"-E2 FI 7569A CNC-120-6"-E2 TI 7566A 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 TE 7541A 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 H OGR122 H OGR123 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 C252B 7557A HS 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 AO 7557A 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 RM 7611 C252 7684 RI CF DRAIN PI FOR DRYERS SEE NH-100326 OG-101-1 DRYER (Y) AT-7552-A O E-4161A 2 2 (X) H OGR121 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 RAH 7572 A H C252 MONITOR DUCT VENT RM 7684 8 R PRM105 R PRM106 RI 7684 RR 7613 RM 7613 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 RM 7571B OG-157-1 RM 7571A T OGR127 OG-158-1 TT 7541A (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 TI 7537A 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" TW 7561A CNE-101-3"-HN2C A L C252 LSL 7532A LCV 7533A E/P 7533A LC 7533A P/E 7532A CNC-120-6"-E2 RGC-4 ( ) ROOM PUMP CNC-121-6"-E2 PCV 7558A 7558A E/P E/P 7559A T OGR135 TT 7561A E-607-A 11 TE 7561A 3/4" 11 LC 7559A 1 1/2" P/E 7560A LT 7560A 1 1/2" EN1C 2"x1" 1"x3/4" OG-161-1 OG-160-1 TE 7515A PIPE (TYP) TT 7515A CLAMP TE ON RGC-6-1 CNE-137-1"-HN2C GOHE-101-12"-JN3C 11 LSH 7532A LT 7532A 1 1/2" 1 1/2" GN3C GN3C E-601-A CONDENSER P TW 7536A TT 7536A TE 7536A T OGR133 RGC-5-1 RCG-11-1 PSV 7534A RGC-8 TE 7528A OGR119 TT 7528A TI 7528A H L A T TW 7528A 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 TE 7521A TE 7520A TE 7523A TE 7522A dP OGR141 dPT 7519A V-801-A TE 7526A TE 7524A TE 7525A 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" C252B 7514A TI CN-113-3/4"-EN1C OGT-4268A 12 T T OGR115 TT 7514A TW 7514A TE 7514A GOLE-105-12"-HN2C LSH 7513A YS-4269A OG-159-1 A H C252 EN1C LT 7513A 12 GOLE-123-1"-HN2C AIR EJECT ROOM ENIC 3/8" 3/4" VENT FILL AIE-103-1/2"-HN2C HN2C TT 7512A AI-171-1 AI-172-1 FROM FROM (C,1) NH-54818-1 (B,8) CN-112-3"-EN1C NH-54817-3 B1 TE 7512A TW 7512A T OGR129 VENT SHELL OG-174-1 DRAIN 3" 1" SIDE TT 7526A C252B 7526A TI PRE-HEATER E-603A FO 7518A MS-53-1 C252A 7697 TS NH-54818-1 7 INPUTS FROM NH-54818-1 (D,5) (C,8) FROM PSV-7534B T OGR117 CNE-138-1"-HN2C PI 7511A P OGR113 NH-100320 M-2500 (B,3) PT 7511A 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 PT 7499A C252 7508A HS MS-52-1 GOLE-135-1/2"-HN2C GOLE-115-6-HN2C FE 7508A OGT-2-1 NH-54817-3 IN A VESSEL TRAP IS FI 6159 F OGR109 SMPE-103-4"-HN2C WARMING STEAM FCP 6159 (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 AO 7508A 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 P OGR111 SMP-101-4" E/P 7497A 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 A H C252 REVISIONS MS-70-1 YS-7501 RO 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 TW 7683 TS 7683 SHP-101-4"-HN1C SMP-101-4" 3" PCV 7497A 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 DWN: APPR: CHK: 78 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 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 80 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 80

D c B A 8 NH-54822-2 TO GS-1 06-1" -EN3C r __ _:T:_O <JG~DE~=-~1 0~1~-2~" -lG)N.3C (NH 54823 2) NH 54823 2> (~,8) (C,6) 7 TO GS-157-1"-EN5C (NH 54823 2} (C,~) 6 PARTITION""""\\ 5 4 3 2 1 REVISIONS 76 EC11951 A/R 01121715 DWN: JJP 3-5-08 CHK: BJR 3-11-08 APPR: RMG 3-12-08 ~~--~~ FROM E .--------l------+7~7~1~5---------, I I I / / A ---<NH 54823 2) TE ,~ c252~ TSL-7765 ~ r' L (8,8) 7714 1 I I I rfsL:\\ (IT\\ fFo\\ S $ 3/8" O.D. 316 S.S.. 049 WALL GS 158 3/8" EN5C-,_ IOG-861 TE FO FLOW 7714 7715 GS-117-3/8"-EN5C \\\\. ~ FROM T \\7762 \\7762 \\774;0 LIMITING ENX EN5C r---------------------------'"'--'-'-'---"'L-"--='-""'-----------------------------,--'----{*l----l '-- rNOZZLE I I GS-112-1"-EN1C GS-1l 2-1"-EN1C r 1 -- -- --1----- --- -----l-_-_!-G~-5~-!>-5 !Z:-:.!-1 C:'i-E;!!!-5~-C~-l=C=O=N=TR=O=L=LE=R=I------------------------ r-----------------=--'-'----'----"'-'-'->'-----,__-----------------,~.--,------I-~-----I--<NH-54823-2) GS-157-1 "-EN5C 'I' "',...-;c"'-L u (B,1) 3'-o" -----------------------------------------"~~~~~---------------------------------------------------------l-~~,, ~ GS 118 1/2" EN5C GS-122-1/2"-EN5C lOG 831 as L __ t-; __ ll-r~~~-~~~~~~~~~~~~~--~~~1~*~~-~~-~~~11~x~1/~:2~"-G~S~-~10~6_-~1/~<2_"-~EN~5~C-. _____________________ 1 _____________________.-________________ ~----------------------.---------------------I----~GS~-~1~0~6-_1~1/~<2_"-~E~N~5C~--.--I------------------I---------------------. __....~ ..U j_ GD-101-1"-EN5C GD-101-1"-EN5C ---r3 I OG 871 GN3; l!;N5C GS-112-1"-EN1C GS-113-1"-EN1C ---~~;;;.:,.,;;~~- ---,~---- -------- -A-""'T'"---- -----....1.-- -A-""T'""----1--.::;:....:..:.::....:......:=-- - GDE-107-1"-GN3c It'- E-614 u z u I ~ I 0 I UJ Cl + <:;) '05 MAIN GAS ~ ~ ~ I OG-90 I 7 co DISCH. HTR. as ~ ~SV til 1\\J, C252 ,1 {SV\\ {SV\\ , 1 FLOW LIMITING 8 S \\Z_B_s9 \\Z_B,J-0 S. ~ EN5C 1

EN18

_1EN5C 6 NOZZLE !Fo\\~ ~!> ~4 \\/:] ~ '-A ~ \\.7675 .... ~ ~ 3/8" I I (f) (!) I ~-*--r--~<>--'T'"'.,...J I u ~ UJ I

• -I

<D 0 I Cl <:;) u - z UJ I

• -I

"' --I (/) <:;) u ~ UJ I

• -I 0

I Cl c.o (.) z UJ I

• -I "' --I

(/) <:;) (.) !2 UJ I

• -I....

0 -I 0 c.o z UJ I ' ---I (/) (!) C252A C252~H § __[ff]_ 'I rll§Hf---- ~4 I C252A j_ I ~ fsV\\ PT (PS\\ ~ ~-~~~..;6~~-~~~ EN1p ~N1 B (';~...J : 3/8" TIMER ~ LED fSV\\ - L,J \\Z_642 u ~ UJ I

• -I 0

I Cl <:;) ~ t-S~EN12 ~5C lOG 78 51 lOG 76 41 lOG 78 41 i lOG 76 31 lOG 78 31 i lOG 76 21 lOG 7B 21 lOG 891

IFCV 76761 iiOG 76 51 u -

z UJ I

• -I n --I

(/) <:;) ~I OG 76 11 I OG 78 11 u -

z UJ I

~ 7 r- ~ fA I ~ t3

1 u

~ "'IIOG-851"..,:: Z I UJ 0> I

• - -=-=,.__l_ I u 1

en L{) "' I I OG-841" c.o til S' I Cl c.o SAMPLER FIXED ( LOCATED IN ) IN FOYER PI 7702 fXx\\ \\.QQg1 .. ______________ j L----------~ L----------~ L----------~ L----------~ (LIMIT SW) 1 (LIMIT SW.) 1 (LIMIT SW.) 1 (LIMIT SW.) 1 L----------~ (LIMIT SW.) 1 .C252 CLOSE ON ELECTRIC FAILURE 7-50 OR HIGH STACK RADIATION OR LOW HEADER TEMP. POWER FROM FUSE A22-3 PANEL C252A SEE DWG. NE -57806 SH. 1 lOG 77 51 E-613E OFF-GAS-LINE HEATER I 11

---

D~

'~ ~_....LID____ !z I ~ 8 ~ E-613A I \\7703 II OFF -GAS - LINE HEATER f--------------...J

---

D* ~

lOG 77 41 ~--------D~ lOG 77 31'

---

D~

lOG 77 21

---

D~

~_....LID____ !z '~ ~_....LID____ !z '~ ~_....LID____ !z '~ ~_....LID____ !z I ~ 8 E-6130 I ~ 8 E-613C I '\\[!§! 8 E-6138 I ~ 8 ~ OFF-GAS-I ~ OFF-GAS-I ~ OFF-GAS-I ~ ~ 1 LINE HEATER '\\!!!}_9 LINE HEATER '\\!!!}_7 LINE HEATER '\\!!!}_5 lOG 77 TO GS-101-1 "-EN1 C L------------------- ~J,-=:_0;;-STRif> _____...J f--------------...l ______________...J (ON PANEL) f--------------...l __ !~~~i~~~----------~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~ --~~----------------------------------J ( NH 54823 2) :;:::t-J (8,8) I OG 82 I 1" GS-101-1"-EN1C I I GS-101-1"-EN1C IOG-164-51'7 IOG-164-4~ __.....:::::......:..:..:.._~IO~G~-~16~4=-3;::;5~T----I---------------

---

;I:;;:IOG;;::_::;:16~4=-;;:;2~:T----I---------------

I'"O"'G--"'80'-"5"'1'1'1 ~ IOG-80-41'< ~- IOG-80-31'1 ~-

1.

u:; a r::;; a r.;:; GS-150-1/2"-EN1B T GS-149-1/2"-EN1B GS-148-1/2"-EN1B .., ~ T ~ -., "\\' T ~ 7 "\\' I OGT 51 ~ >...8 I OGT 41 til ~.._~ I OGT 31 til w >....~ EQUALIZING LINE (TYP) z z z IOG-80-2r UJ UJ UJ IOG-79-sr ,1 IOG-79-4r ,1 c252fA\\A L IOG-79-31' ,1 'I "I y "I 1-------'~::..J, ~ I l ~"' ~TT ~ 1" PIPE----, f TT \\ IOG-79-2r.,

z UJ I ' -I

~ I ~ GS-101-1"-EN1C I OG-164-1 f'7 ,.....--=-.-....' C252~H as r;:: TO I OG-80-11'< ~- A GS-146-1/2"-EN1B

IO[.G-128(1 IOG-1291 CN 141 1 '2" 81 D6-1 1f2"-HC 1--~"--'2"-....!L:._""'-'c:....,--1 T ~ -., "\\'

I E:..r...-r-..f-~'>.>.... <l-----+1f-!~.!+/-!.::..!.ll/~

• ~-=<NNF~5~1

~14[§6)> IOGT-9-11 til ~>....2 ~ Q ~ v~ IOG-79-H.. § \\(6~1 I ' -I ;: I ~ I WA 101 1" 81 I I FROM C-1003 A&8 NH 54823 4) (B,B) NOTE 3 1.. l" NOTE 3 1.. ff-,;!;TTW'"\\. _ _.__L_(ILOCATE IN)l" NOTE 3 1* 1.. NOTE 3 1.. 1 NOTE 3 1" OGH BLDG SUMP (TYP) I .i \\Z_l]} 9 SHIELD WALL""""\\ f? ~3 FOYER 9 9 SHIELD WALL""""\\ 9 ~~====~s=~==~~~llt=~====~s=~==~~~l==~====~s=~==~~~ll ~=t~==~~~==~===ll~=*==~==~~~~==l ~~====~~~~~ I A ,1 I A ~ I A I A I 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. 8 7 [!]

z UJ I

~ I 0 --I I LJ I LJ \\'83 I LJ I LJ I I ~ i I ~ i I ~ i I ~ i I + ~ ~ ~ ~ ~ + ~ ~ + ~ ~ + = ~ = ~ = ~ = ~ .J---.t._l I I I I I I I I I I ~ ~ ~~ ~ § ~ / ~ ~ I I I I I I I I [!]

z UJ I ' -I -

0 4" DRAIN.../ NOTES:

1. FOR GENERAL NOTES, LEGEND, REFERENCE DWGS. ETC. SEE DWG. NF-51133

2. ALL PROCESS VALVES ARE BELLOWS SEAL TYPE EXCEPT AS NOTED.

~ L.-+--E> G--- ~ ~L.-+--E> ~ ~L.-+--E> G--- ~ ~L-+--iE> G--- ~ ~L-+--iE> I UJ 0 G--- r--:-

3. TANK RADIATION MONITORS REMOVED, INSERTION TUBES REMAIN.

V-806 I)) 6 V-805 lj] 5 V-804 I)) 4 V-803 [j] 3 V-802 [I]

4. VALVES ON THIS DRAWING NOT INDICATED AS OPEN OR CLOSED DUE TO FREQUENT CYCLING DURING NORMAL OPERATION.

REFERENCE DRAWINGS: 1. ELECTRICAL - COMPRESSOR/STORAGE AREA, ELEMENTARY & WIRING DIAGRAM SH. 1. ..................................... NF-51157

2. ELECTRICAL -

RECOMBINER AREA (TRAIN "A") ELEMENTARY & WIRING DIAGRAM SH. 2 FOR PY7791 SCHEME................... NF-5116

3. ELECTRICAL -

SINGLE-LINE DIAGRAM...................................................................... NF-51156

4. ELECTRICAL -

HEAT TRACING___ _ _ ______...... NF -56210 THIS DWG. SUPERSEDES SUNTAC NUCLEAR CORPORATION DWG. NF-54822 MONTI CAD DWG A r---:::co=-LO:::R""'LE""G:::EN=::P::------,1 M 0 NTI CELLO NUCLEAR -ASME aASS 1/QlW.IlY GROUP A GENERATING PLANT -ASME aASS 2/QlW.IlY GROUP B UNIT 1 SIGNIFICANT NUMBER 8700 OGSB 1 1 OGH 4420 OGR GROUP 2 3 4 5 CL 6 MONTICELLO NUCLEAR GENERATING PLANT P&ID OFF-GAS MODIFICATION ENGINEERING FLOW DIAGRAM OFF -GAS STORAGE AREA -ASME QASS 3/QlW.IlY GROUP C =~R~~ M~CHANICAL II--N-0-R-TH_E_R_N_S_T_AT_,_E_S_P_O_W_E_R_CO-M-PA_N_Y---.-SC_A_LE-: -NO_N_E----.-R-EV-76--; =SAFETY RELATED ELECTRICAL MINNEAPOLIS NH-54822-2 2 1 D c B A

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 81 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 81

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 LOW POINT 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 LOW POINT 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 78 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 78 CHW-31-2 CHW-30-2 CHW-29-2 CHW-28-2 78 CHW-31-1 CHW-30-1 CHW-29-1 CHW-28-1 PLUG

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-------- -------------, I I I /""'--.v-........ ---"'1 I ~5~~ I I ~ 283A c SA I I ,----------------------~ I I I I I I I I I I I I I L-----~ 6 ~ 838 c 8 I I I I I I I I C2838 _ _ill]__ uu-5 CAUBRATION GAS 4 4 3 3 2

1.

OElfJEO

2.

HEAT TRACING IS SHOWN JS ICZJ 0 o 0 o 0 o 0 ol

3.

OMSION I P.INEL IS C259. DMSION II P.INEL IS C260.

4.

DElfJED. !§:>~o~~E2/EmRIECA~g~~t~oo~ 1WJ8_R 8f9H (~~v;) o~N~2~r (DIY. II). THE OTHER IS FOR THE PRiw.RY CO~AIN~E~ ISOLATION DISPLAY ON P.INEL C03.

6.

THE "EF".IND "HS" DESIGNATIONS ON THE UNE NU~SERS ARE FOR PIPING CLASS INFORIJATION ONLY. THE DESIGN OF THE PIPING IS PER SPECIFICATION NSP-51-007. It> TUSING BETWEEN GAS SOmES.IND ANALY2ERS IS TO BE 1/2" TUBING, 0.65" THICK. lli> EXISllNG VAI.VE. lli> PIPING FOR PENETRATION X-27 SHOWN SEPERATELY FOR CLARITY. REFERENCE DBAWING$*

1.

DElfJED

2.

POST-ACCIDE~ SAI.IPLE SYSTEM P&ID. ...................................NH-96042-1

3.

CO~ROL ROOM P.INEL DRA'MNG CAIJ SYSTEM.... ................... NH-91994

4.

K-IV PIPING.IND INSTRUIJE~ATION DIAGRAM (DELPHI DRA'MNG)......... D1520

5.

POST-LOCA COIJSUSllBLE GAS CO~ROL SYSTE~ P&ID...................... NH-94896 & NH-94897 NUCLEAR SAFETY RELATED NUTECH FlLE No. 30.0451.1201 DWN: Jll 10-29-10 CHK: OOW 12-8-10 M'PR: AY/1. 1-2H1 -~GIW'A -ISE. ClASS 'i/rlliiift GIW' B -ISE. ClASS 3"jQIWJJY GIW' c -QU.lJ.IIY GROUP 0 -SiiEIY R£lATEil ~ SAIIJY RELATED ELECTRICAL TMs map/docurMnl is to assist ~mplcy~es in the performance of their jabs. Your personal safety is provkkd for by using safety practices, pr~~ures ond equiprMnt os ckscribed in safety training programs, manuals and SPAR's. MONTI CAD DWG G P&ID CONTAINMENT ATMOSPHERE MONITORING SYSTEM MONTICELLO NUCLEAR GENERATING PLANT fl X eel Energy-IIDUIIStms~<<thttt 2 SCAI.E: NONE REV 78 c B

O<OA '---==-'----' D<OA I D0ll~ tv~ 2.1 I 'LS /250 V. DC. eATf£R'f I !

• l (-)

0 - l+-) (-) 0*4COA. c.KT-2. e-.50"N'-c 30 " ! '----- ------oioo;;-~1-----+- - ----- IP22 !PH .-::::-:;-*I- -*, r- ---- l I y3L£..0 C 1 i :zsv rx:.. "" f!PC! I 112.5 voc FOR SRVf 1.. 5Y~TE:M. ;SEE ow~. f LO}~*LOl/11 SET 1 f*IJQ., ~;'!__ S l. _ ::__j l P~N!':_ ~ ~ ~ J . 12:?/250 \\< DC:_. DIST.;::C_A__;;B::c.;*---=D:....I-==0--=0:::..... SCI-IEMG 0<0 (c. HAN N f.L. 2) CKT 12. e-'IOOAF-( 225AT + (I~)(V.) PI (150)(0 1 r_p 2 ( 15())<.1< ) !'-p 2 (i'il)(l.-) I C244S I 1'1-:SOOMC.M (A)(310' r P3,N3 'J SP Jt*lt.i I 0100 l.Di \\..JPIO (F) -8P22 (tO I) (101 .;Vo

• ~b

(!:.) >-iNH) ~ *t~l) (G.J. {It) I) >-BPI I r~ 1 I 080 I I (500 MCM .t -~I (M)" '\\.._ 7 p 2.2 (Nl (!01) (135)

• vo (PI (J\\ '1PII (WI) o~s-D90 I I SCHf.ME:. D0 l\\..JP23 3?<JM(.M riNI~

tTl \\.::,h), 0?12 I

NO. REV.

INITIAL DATE REVISED BY DATE I ~" "'""' !!>ul~"!lll-V FORCMAN OAT£ ~V"._,..,......, \\,;I[ I VP'2 1 P~1,'::,? I ¥**o lll~tlllllllll[l!l

• ~;(-'33$23-3*

Q e.E<:.KTE:l. JOB N2 1004-0 tlWG. t-J9 S.- '2..0 I SH *.::, NE ':33SG3 I?Ev. f SHEET 3

I l j l I j PAIVE.L C2.44B ~Olv\\ PolL. B44f CI:T. "I CLASS 1-E I ?.0 \\f. A.C @I P~I.JEL 11 C'Z.4a.\\'C U XI Dl I,SP BAlTERY CI-IARGEt:< !ROUBLE ALARMS i

C2.44B I SCHEME.

IJ> (F) ~XJSP DG ('2.14) oro I Q.lO J Dr:, 01000'1 (E) ~z,~p >-(Gi) (?..14) D/~5 214 t I W2 J D0 (Dl 00 (<!4) ~3,5P 00 D<O

Q.22. I O<D SCI-!£M£ OIOOIZ..

r-- D312.03 SW'"'I l 5E\\" NOT 5 ) CON"'CI"CT WOI:MAL B'f PA.S.'i. ~)"\\'6,f'ln I --;1-- IC. X ntfS" 511* a --Jt--- aG x ,,.. u~ <r.u. 3 -U--3C. X ~M -~ 4---if-- ~G f ){ .StJ.!'l 1WO POSITICI'I SWITc.t\\,MAlMiAINED ( c.L.A.<>e, IE:)

1. IOC.-I?..S/'2.50 V. DC OISTRIBIJT'IOtV CABIIJE:r D\\00 cKr. AC&

SERVICE . WIRE JJQ ~ DESCRIPnCIV LOC.

• ClWJIJEf::.:.* 5\\ZE.

l 1~ 125 V. DC, FOR HPCI SYS* 0312. '2.

• ' 10

2. I~

125V.DC,OPTIC.ISOL. P.S. C2<Hl)

2.

'~~'10 3 1% 1~J'*&& ~~ ~:ta. ~"38 C253B 2 " 10 -- 4 1~ 125 V DC f. OR ASDS SYS C2.~2 2

r !0 090 2

"'-1/0 8 ~ !2.5 V. DC IY\\1T. CJ.IARG. 01:,0

• "I/O o:> % rz.s v. oc. eA.'1T. CfJI>.P.G.

O\\O 2 'li'!{O 10 A~ 125 V. OC e:A\\T.CHARG. 0\\0

2.

'II'J/0

---

*---+---+----~-----4 I II 14% 250\\/.DC FOR HPC.! SYS.

D'31'2.

2.

12. %

0\\l.(ll !2.0 VAC.. UP5 Y81 Y8l -l---+---l 2.5'0 MC-M NOT£5 I. FOf.l. 0\\5\\'RIBVTIOIJ CABHJET DIOO_, CABLE IJ9S A/JD CA8LE CCDE SEE' e,LOCK 01/>.GRAM OIJ 51-1.:; i\\.!15 OMWIIJG. 2.. OPTICAL ISOLA."'DR USES CLASS IE: 1\\JP\\JT.S NJ0 PROViDES ISOLATED CVTP<.JTS FOR A t-!ON-CLA55. *::: C0/VIROL 9

3. WltRCOtVIVECTIOt..lS OF ALL ALARM CONTACTS iD e:E DOfJE BY Tl;E fiELD AS SHOWIV WITH 1t 14 AWG.

4. ALL Al>REVIATIOkJS AA!: AS J:OLLOWS

• ACFFA.

AC i'ONER FI>.ILVRE t>~.ARM. ' HV 5D HIGtli VOLTAGjo SJ.<UTDOWAI I I ~** :

lrNH-948~6 7 6 D c B A 8 7 6 5 4 3 2 JmES; [!> B> §> B> [§::> [§> lt> [§> REfERENCE QBAWJNGS;

1.

ROCKWELL I~RNATIONAL HYDROGEN RECOMBINER P&ID DWG N116000320.

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.

MONTICELLO NUCLEAR GENERATING PLANT fl_!~~n!Ey-2 1 ;l D DWN: JLL 1D-2HO CHK: DOW 12-B-10 APPR: AWL 1-22-11 c B -~GIW'A -- CII.SS 2i'GIW.IIY GIW' 8 -- CII.SS '!/G!Nm GIW' c -OlWJIY CROUP D -SAFElY R£LJ..lED U£l:IWICAL A -SAFETY RELATED ELECTRICAL

8 NH-94897 D c B A 7 E <S

• I I

~ g 0 6 (C.B) I r--t---' ~t"": r--r-l I I I I r ------------ ~ I I I I I I CAIA SAMPLE I I I I I 5 @ @~~-; '40358 40J5B T 4041 B C2868 I I~ I I 18 OllJ~ L ~~B C2868 C2868 - I I I L _____ _ I I 4 ...____------£ _------- ~-------------------- 1 I FG L~~oo~~ RAIN..qj 71 I I I I ~ I _ : 338 I CGC-P1B I 1

• 0 CGC68-1 J'2 -CA I

I C C2858 I o<6 1 cyc285B L ___ _. ____ _ CGClB-2"-CA r_j I

---

--1-------,

I I

z

J 3

2 ~ [}::> THE INlET AND Oun.ET PIPING SHALL BE SUITABLY SITliATED SUCH lHI.T Nff CONDENSATE WHICH W.Y COUECf Will. NOT INHIBIT RECONBINER OPERATION. ~ DELmD It> eNol SAMPLE UNES MUST TAP TOP OF CGCS PROCESS UNES. a>- VN..Vf. TO BE LOCATED NEAR THE RHR AUXIUt.RY AIR TAP. @:::> DISCHARGE INTO DRAIN LOCATED UNDER THE RECOMBINER SKID. [!:> ROOT VN..VE TO BE LOCATED NEAR THE CONNECliON TO PROCESS UNE. It> INSTRUMENT TO BE ADDED LATER. PLUG AT REDUCERS ADOED TO CAP OFF INSTRUMENT UNES. I§> DELmD. ~ FOR INSTN..LAliON Of FT 40398 AND OPT 43858 INSTRUMENT UNES, SEE owe. NQ-119013-1. REfERENCE QRAW!NGS*

1.

ROCKWEll. INTERNAliONAI.. HYDROGEN RECOMBINER P&ID owe N116000320.

2.

CGCS SYS1Bol DESIGN SPECIFlCAliON, NSP-63-101.

3.

CGCS DIV. R El..ENENTARY DIAGRAM NF-94895-1.

4.

eNol SYS1Bol P&ID NH-91197. ABANDONED IN PLACE k RECOMBINER UNIT C2888 __j ~(BY OTHERS SEE REF. 1) NUCLEAR SAFETY RELATED 1 DWN: JJP lD-3-1>8 CHK: BN.. lD-3-al APPR: ll lD-6-{)8 -~-.. A -IS£ aA'5S 'i/fiiiUfr _,. I -18£aA'5SJ,IIIIIJn'-.. C QUMJIY GROUP D SolfEIY IIELQB) IEIWIDL SAFETY RELATED ELEClRICAI. H D c B A

('\\ > \\ \\ 1 0 LEGf,;,;!ID.._......_ ~p CO PROPERTY f""'::n:=r;;:n;:;::]~ SCAlE 1/4 l/2 3/4 1 MILE 1 'Y RAHGE 28 W RANGE 25 W TWP 3~N A 'f' REVISIONS D AS BUILT, REVISED PER LAND ACQUISITION ADOElJ LOW POP. ZOWE RADIUS PER ORR M0-88*%. OWN: REH ~ -I.N!Jl!J CI-IK:,9/'/ f';/6 -f'? MOO,, -- F-ILMED: L/~8 -88 1..--...q..JIIINHUI FEIICttl ;.REA E AS-BUILT: MONTICF.L.LO NUCLEAR GENERATING PLANT UNIT 1 El<<:LUSION "Z.ON E ANI) RESTRICTED AR.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: JJPt F-28-98 CHK:,~yL !Z:Z/f-'ft* MOD. r-fl.-' FILMED: 1-19-q q MONTI CAD DWG 'E' SIGNIF:CANT NUMBER 8700 -- AR 1, 62l O 2 GEL GROUP 2 3 4 5CL6 MONTICELLO NUCLEAR GENERATING PLANT MONTICELLO PROPERTY MAP NORTHERN STATES POWER COMPANY SCALE: NONE REV E MiNNEAPOUS N 0 - 9 5 2 0 8

withheld from public disclosure under 10 CFR 2.390

8 NH-119062 D c ~ 8 UNER l.£'la A 8 7 6 5 H-22 3/4 4 CHEMICAL DR'fER 3 2 3 ~------ S-73------~~~~~~~~"~ ~ 7 ~, BOOSIER DEWATER PUt.IP AIR C34~L C341 HS 4560 I CAMERA L£NS AIR CAMERA FlUSH WS-1 AIR I ~ --f~----- l +--~~ I ~ i ~----------l-~:-,_*~-~~1' ~ i ~ __ :_,H-202*-..:u---- -~I'OSOliOIO): ~------~ CONTRO~ PANEL~ +/- AilliEAD COOU"" +/- - 1 iy. I l -L 1--- - I.U H-19 2" - q ~p:r ~ ?i~;---~ ----8=---__________________________________ j I ffi -,1 ~.1 ~ C341 00T1ET I ---~ _ : _~ i I T i :

rl r:: _____________________ JJ ____ ---- ~1 r- ------,-_j 1

TE ¥.--; I I ~ I 4586 I 11/2" X 1" 1'!2* X 1" ~21 ~ : 11 +-- I ~I..... I I C341AHH I

II..,

I LS I +/- 1 4574 1 ~------1 3 // X %" 1------------------------ l----------- ~. MOISTURE SEPARATOR FlUSH ':~T_C_O_NN_EC!JO~ SIANO _ -- __ ___j (NON-ROUnNE) I C34~H ~~~~--~------~----~~~H----+~~~H ~*,, N I

t:

~~~~--~------._ ______ ~~H----+~~~ ~~~---4------------~~---B~~~ 1~~----------------~~---B~~~ 21-300 UNER PAN (TOP VIEW} HEPA BYPASS HEPA ALTER F-55 1 REVISIONS 76 EC11951 A/R 01121715 OWN: JJP 3-+-08 CHK:~l--11~ APPR: RWG 3--12-{)11 -~ -ISlE CUII'I51./IIIU't.... I -IBE cutS ¥Um'.... C -ClUMJIY GROUP D -SIHJY lllmD IIEtWICM. SAfElY RElAlED ELECTRICAL REDRAWN FROI.A CHEM NUCLEAR DWG. No. C-340-E-0519 REV. E 4 5 6 7 6 5 4 3 MONTICELLO NUCLEAR GENERATING PLANT UNIT 1 MONTICELLO NUCLEAR GENERATING PLANT RDS-1000 P & ID D c 8

'~----~------------------------~--------------------------~--~ NH-1 78635 REVISIONS 83 EC 16880 DWN: TJF 03-14-11 CHK: JAZ 3-21-11 APPR: AJD 3-21-11 3 )... )... )... 3 TO TRAINING CENTER AUXILIARY BUS ~ LNS 33D +/- AT-Rf;- - -<,AT-N I I A I .208/.120 ~ ulJJ Ulu4.208/.120 I I _l.u.J 13.~/:;. 1-500 1-500Tl;.12.5.=. I -::1.. 1-18 I c-10 .:r:. I I ~ ~I I MET~gRO- ~ I J- _j I I LOGICAL""'.120/.240 13.8 FENCE_ I 3 .:r:. NO. 6 TR. AUX. EQUIP. DIAG. GE-1162 120/240~~ 3-25 13.8)...1 3

• I H 11-+--------,Ff't--.,

3 TOWER I 1-::_10~ c: II~ r----- ~ , ____ _j I -'i3 ~ e 1--4--- 6 v1 N3 6 I.------'----t>- I ~AD ¢ B~+ l _) f 7N 1 t BD ~ I A'-L ~EEl e3n /B--** llfr'11--*----- AR-Rc YP n-cu I ~+ 6 7N2 6 t AD = I TO BENTON CO. TO ELK RIVER 84 EC 11 018, 12332 15425 DWN: TJF 05-1 1-1 1 CHK: DOW 6-9-11 APPR: AJD 6-9-11 85 EC 16881 DWN: BAT 6-27-11 CHK: WGN 6-27-11 APPR: AJD 6-27-11 86 EC17014 DWN: JJP 3-6-12 CHK: PEB 3-6-12 APPR: SCP 3-6-12 87 EC11445 ~ T T T NOZ5~o2 D 3 NO. 11 D 2500 L - _._120/.24~2~ _j B RC A: TO 3 v1 N4 3 ,------, f..:tl-.. ~ ':!!... A'-r oTd'l []l r't:A"' /B_..... IIIfr'1.. _llil ___ _ As-Rc BD AR-Rc y p 6 NO. 6 n-cu DWN: BAT/NJM 11-20-14 CHK: RLJ 11-20-14 APPR: SMA 11.20. 14 L 3 6 ~L £ 6 A 111 COOLING ~B TOWERS i~10 TL i6o2 iso2 )... )... )... 3 3 3 4.1 6KV STA. A I I 511 -'----~I~>------~~ ~ux. Bls. 15 1 ~ (( 1*1 > 3 L ~~08 ~~01 ~;01 L1 ~~08 L T 4.16KV STA. 3 1J 1J 3 4.16KV STA. T UX. BUS. 14 ~ f AUX. BUS. 1 3 3 3 0 ~ I 3 3 3 3 3 ~ 3 T 3 TA 3 3 3 3 3 f 3 ~ 1 0 FOR DETAILS OF 13.8KV AND 4.16KV

~ 0 0

~ IX) I X I - ll 1 1R +/-NO. ~STA. AUX. 40.5/54 MVA BUSES SEE DIAG. NE-93194 (SHEET 3) 718000-S = 1-25 0 ~ 1 I X +/- 1 1J NO. 2R STA. AUX. 4D.5/54 MVA 0~ NO. 1 +/-T 6 6 = PFV1 A::fA = I +/-l -::1.. 3 3 fYYY>f:;. 34.5 B T RC AI L----------=----l 1-336000 1 .120/ r---------- 1 .240 13.8 TO DICKINSON .:I:. I "H I T L __ _ 1 1 N2 1 4 ~:;. 3 V 3 } ~~GROUND & LAKE PULASKI 1 AR STA. AUX. 1-7500 r---:1--:-A:::-R /'1:-c:3. S~K-::-V-:--"':-1-=-o=TR:::-.----11>-- -, ---t>-A"'::::A~) (b"A ------------------JYTn--,- DETECTION A_jl 120/t TR. L---------- -o:: 138 3-10 STATION AUX. . 240 = t:;. TRANSF. "B" 4 1f8 T 4.16 +/-16-5/8% 1AR 13.8KV 1ARS TO NO. 10 TR ~ E_____2 .120/ 1-300 TO SHERBURNE CO. AUX. EQUIP: '3 ~- .24o~:;.Ul:J..J HASSAN GRD. DETECTION .120/.2401:;. ulu 3-25 34.5+/- 1 GEN. TR. 1-8DDOOO ~E::nr:.. ~:;.+/-I 22 345 1 3-15 .,~= +/-ELM TC0REEK

• • H M

A~f rr4 ..¥ 13.8/:;.T I ~-~ IHI* +/- ~ rc_= .:r:. 345 115 13.8 +/-!:;. 1 I I I I I I 345KV BUS 2 ..rA 6 '""'-A 6 -::1.. I / T ~ ~-Fe\\::Jd'l"'"5~...., I TO COOLING A¢ .=. RC G ~ IRC79 8N12 ij6 TOWERS

• • HI~ **HI~

6TR-HI-MOD I ..¥ B --I IIIHI* AS RC ..r B2 L-------, 6 B B I I .=. RC G v lA¢ IRC79 8N11 1 N7 I~' I 6 3 6 3 .=. 1 ARS .=. I 1N6 RC G RC79 SN9 6 A¢ ....__ B rr ~, ~HI* -==1-jiHI* 6 RC ....__ B2 G 8N8 I A I AT 3 ~ 9 I:} I 3 (~\\. I AS ....__ B RC RC79 G 8N6 ..rB I HI* ..rB2 6 RC G RC79 8 NS 6 ..¥ B1 NO. 10 1-336000 +/- 16-5/8%

• IH I f-11:::=--==--=:::a T -

5N6 6 B AR SNS RC 6 li RTR-DISCJ B1 115KV 1"--1 II<> 5N4 AD J~* AD 115KV BUS 2 AR RC 5N9 CD n 6 B <H** B2 6 AR RC n ~CD 5N8 ~ CP 6 B 13.8)... ul.u t:;. 4-I I .120/.240t:;. 1 3-15 13.8 3-45 1 '""'- B 6 GRD. 6 G RC ~N7.=. A¢ AR RC 5N7 I DETECTION '- -- _j RC 8 N 1 0 I ~' 1 RC79 G 8N4 . M,B\\11 '""'-A }--3 .:r:. I '""'-A ..r A H** T T M lt.4!!1111111::::11-:::::;:tl!llll ~~-=:J-..:::::::._CIIII_::::..I-==-~~-=:1~ .f B!l>l 1 AS 345KV BUS 1 ..r I l1 ~ +/- TO QUARRY I ~ SUBSTATION ~--------------------~C~U~DICTIO~ ________________________ _j PLANT JURISDICTION 795 ACSR 26/7

• • ~

TO LIBERTY SUBSTATION CP n 115KV BUS 1 AO J~* AD 5N12 <H** 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. r.-M"'O""NT"'I 'C"'AD,---,;D""W"G,....,.A..,-J SUBSTATION 1-LINE DIAGRAM MONTICELLO NUCLEAR GENERATING PLANT SCALE: NONE REV 87 NORTHER~ STATES rOWER C~Mr~NY tJ Xcel Energym NH-178635

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 BS 2414 JF SW21-6"-JF PI 7361B RHRSW-23-2 3/4"-130 PI 7331 SW-21-2 1"-223 SW-238-2 SW-237-2 PCV 3005 RHRSW-19-2 RHRSW-45-2 RHRSW-18-2 dPI 2415 1"-223 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 97 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 4"-HBD-CK 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 BS 1980 A H C242 dPIS 4020 AV 4024 H ESW-44 1"-CBA-GB 4"x3" HIGH 1"-CBA-GB ESW-42 ESW-28 4"-HBD-CK 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 1"-223 1"-223 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" EC 13316 94 APPR: CHK: DWN: RHRSW MOTOR COOLING DETAIL 1 SUPPLY STRAINER RHRSW-65-X APPR: CHK: DWN: RHRSW-64-X RHRSW-64-1 NO. STRAINER SELECTOR VALVE 95 EQUALIZING RHRSW-65-1 STRAINER VALVE 1955-X dPIS 19XX BS 19XX INSTR KEC 4-21-10 BAL 4-21-10 JJP 4-20-10 20176 CER 11-12-12 BAL 10-30-12 JJP 10-29-12 EC APPR: CHK: DWN: APPR: CHK: DWN: APPR: CHK: DWN: 93 92 91 JJP 5-4-09 DDW 9-23-09 JJP 9-23-09 BAL 5-4-09 DJP 5-5-09 14190 15578 BAL 2-22-10 JJP 2-22-10 AG 2-22-10 VJK 9-23-09 EC EC 14065 EC 1 REVISIONS C D 18341 APPR: ERN 2-27-13 CHK: DWN: BAL 2-27-13 JJP 2-27-13 96 EC 4"x3" 4"x3" ESW-97 ESW1-4"-HBD ESW-96 4"x3" 17642 APPR: NEO 2-6-15 CHK: DWN: BAL 2-5-15 JJP 2-2-15 97 EC HBD JBD 97 97 97

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"-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"-54 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" 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"-54 TSW-11 (C,2) (C,5) 1971 CV 1971 PC "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 D111-07 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 90 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 90 M-131 NH-36049-3 (D,3) M-131 NH-36049-3 (D,3) 90

NE-36771-4

1. 111 -480V MCC.B11 t '"' t

,-l--1--r-l

}--j-~j 1 flg:

B11~7-f-l~- __ J RPS M/G SET A (#11) A B MOTOR: 25HP, 460V, 3¢, 60HZ r-#-=f~=-:~---.-J.{ ~~1L2 1-ul---- ~EN: ~8.75~~\\~3~~L~~i ~~~/2~z

1. 111-480V MCC lll1 J_

{}~~-f;: 100A L+---~~J 70A B1130*¢

~ H1 H4 Y60Q r=-- *--- ---, 25 KVA-480-2 +/-2 1/2%/120V H 1 H4 ~ o 1 t-RPS ALTERNATE FEED SCHEME CKT NO. NO.

1. 141-480V MCC ll11 Y5003A 3A Y5004A 4A Y5005A SA Y5006A 6A

~~ ~::- t r{--f-r-, I )- -:)--) : 225A B41~f-l--l-J 150

PS M/G SET B (#12)

A ~ C MOTOR: 25HP, 460V, 3¢, 60HZ G60 t t ~ GEN: 18. 75KVA, 120V, 1 ¢, 59 1/2. HZ OR EQUIVALENT ,- - - -----------------l RPS DISTRIBUTION PANEL "A" Y5D (F.P.#5828-E 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 I C15 TYPICAL FOR SCHEMES Y5003A THRU Y5005A RPS DISTRIBUTION PANEL "B" Y40 (F.P.#5828-E-14-11 & 12) ROUTING WIRE SIZE

1. 2
2. 10
3. 10 2-3/C #1 0 WIRE NOTES:

CD MANDATORY ROUTING SEPARATION OF SCHEME B1107 FROM B4107 (?)MECHANICAL INTERLOCK ON RPS PANEL Y40- Y50 BLOCKS SIMULTANEOUS CLOSING OF THE FOLLOWING PAIRS OF CIRCUIT BREAKERS: 1A-2A 1B-2B 2A-2B G)ALL CABLING BETWEEN MCc'S lll1& 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. f.l T, I rr 1 POWER TRANSFORMER J:]Q I X4 X3 X2 X1 I I L--::- ------J EPA#157 -E~{t-1 A _;~:fit-I REACTOR PROTECTION SYSTEM MG SET A CONT. BOX I j (FOR INTERNAL WIRING SEE F.P. #5828-E-14-1) i

1. f~~--11---~-t.~,. G~l ~~~~--~lliX-9065-3)_ __ --.--j r----, I L ~E..t~T0~3 PROTECTION SYSTEM MG SET B CONT. BOX t

.~ I (FOR INTERNAL WIRING SEE F.P. #5828-E-14-1) J ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~158 (-{ ~--~~-~~;I?~X-9065~~75J~ ~~-~-~-~-~~~~~~~-~~~~~~~~~-~ SEPARATION SIZE FROM SCHEME Y5003A &

1. 2 B1107 G) INDICATING LIGHTS IN SEPARATE ENCLOSURES MOUNTED TO BOTIOM OF PANEL Y60 X1

, X2 f-. {n\\ G2 ! G4 1 1 Y50 r~r ~ AA------ --soliDNEUTRAL ____ ---- -~---- .-.. --.. -~~--~ -~ ------ ------- ---~ ---- *- ----, I ~- I 1 1 -,} l BUS C 1 i

h Y1 t--

NSJ-fE ~~ I JJ-fE --~II l X..( : I ~-~ __ /" ~s31 G) 9 3A

r(DS 1

@) iDS5 '. DS4 )CB1A ,....-- <cB2A MECHANIC~ :;;B2B l _ __ -~ -~- -- ~ "\\ CB1B ! I 225A ,.A200 A INTERLOCK 200 A "7 225 A I I (SEE NOTE @) I BUS A BUS B l II I'ICB3A )CB4A l.)CB5A I.)CB6A I)CB6B L)CB5B I.)CB4B j)CB3B I .JI OOA 30A 15A f15A 15A 15A 30A 1 OOA f I fA1 >"A2fA1 >-A2fA1 >-A2 A1 "'"A2 fs1 B2fB1 '"B2fB1 ~2fB1 rB2 t IB1101I r A,B,C

1. 4 AWG I~ I

~ .. G1,G3 ' #210 AWG IB1130I rH1,H4 IB41071

1. 4 AWG

.1 I Y60 I lf'""f.B,C

1. 2 AWG

"#;~t 2McM I G60 I I Y40 I 'fJ#.i~\\wG Y5004A & B1107 Y5005A & B1107 Y5006A & B1107 TYPICAL FOR SCHEMES Y4003B THRU Y4005B (A1,A2,SP@ -~31 0) I Y50 w Y76 I Vr~\\*~2,SP@ -(~~~~~ IC-304A I ( ) I IJ3050 I 0A1,A2,SP@ >,.J_ (310) 1..-c----'3"'-o 4-o'l SCHEME Y5006A

1. 10 SEE NX-9065-7 & 8.
2. 10 2-3/C #1 0

@SEE G.E. INSTRUCTION MANUAL 914E175 FOR ELECTRICAL PROTECTION ASSEMBLIES, EPA. B1,B2,SP@ -""- (310) --,).. I Y40 ~ ,r IC-304Ell B1,B2,SP@ (31 0) Y86 I I C-304DI ) B1,B2 (£/ (2-R06) SCHEME Y4006B REVISIONS ~EC1015 DWN: JJP 1-9-08 CHK: BAL 1-9-08 APPR: NDM 1-10-08 ~EC22629 DWN: JJP 2-13-14 CHK: BAL 2-17-14 APPR: ASH 2-18-14 I ~ '----v----' ~ ~ ~ ~ ~~ I I (SEE PANEL SCHEDULE THIS SH.) (SEE PANEL SCHEDULE THIS SH.) t I J§Q I SCHEME B1130 SCHEME B11 07 CD I Y40 I SCHEME B41 07 CD BECHTEL JOB NO. 5828 E -111 I RPS DISTRIBUTION PANEL "A" Y50 RPS DISTRIBUTION PANEL "B" Y40 I L (FOR INTERNAL WIRING SEE F.P.#5828-E-14-11) I This map/document is to assist employees in the performance of their jobs. Your personal safety is provided for by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's. h-;M~ON""T"I "'CA;;-,;D"D""W""'G---.-,H;-rl ---~--------------------- ___ _j REACTOR PROTECTION POWER SYSTEM RPS M.G. SET "A" RPS ALTERNATE FEED POWER TRANS. SCHEME B1 i"6'i __________ _ SCHEME B1130 REACTOR PROTECTION POWER SYSTEM DISTRIBUTION PANEL Y40 & Y50 MONTICELLO NUCLEAR GENERATING PLANT SCALE: NONE I REV 77 1}, X eel [nergym NE-36771-4

S.B.G.T. INITIATION SIGNAL CHANNEL "B" CHANNEL "A" S.B.G.T. INITIATION SIGNAL 2942 2942 2970 CONTAINMENT C C SV 2944 NE MOISTURE SEPARATOR T-34A-1 & 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 F-34A-3 & 2964 E-34B-1 5 SGTS-2 M-108 NH-36039 DEMIN. SEVV. OTHERS (E,5) BECHTEL SGTS-4 DM-104 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. E/S 2943 2945 E/S 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 HIGH EFFICIENCY FILTER OF OPERATION SYSTEM MANUAL MODE FUNCTIONAL ONLY ON F-34B-2 F-34A-2 & 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) M2 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 HIGH EFFICIENCY FILTER F-34A-4 & F-34B-4 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) 2943 CV NH-36049-14 M-131 A/S BY BECHTEL OFF ON M1 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 78 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 78 C24A L O C

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 DWV-18-2 3290 HS X-218 1"-130 M3 4082 SV C26 4082 HS PRI CONT. ATMOS SAMPLE A B 6 C250 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 C250 DWV-88 3285 O I 2 LOCK AIR CP2-18"-HE DWV-85 DWV-86 DWV-87 3323 2 O I NH-96042-1 SYSTEM TO PAS PRIMARY DRYWELL CONTAINMENT X-27 E PUMP P-89 X-220 (A,5) TO SV-4002B NH-91197 X-26 3/4"-SP19M3 DWV-3 NH-46162 E C D PI PI 3409 FIC ATMOSPHERE SAMPLING PRIMARY CONTAINMENT F-8A TRITIUM SAMPLER OR NOBLE GAS SAMPLER N O F.C. D P 2387 AO 18"Ø FILTER HOLDERS (TYP) PARTICULATE 2 2 M-143 NH-36258 (E,6) 7% RB. AIR TO (C,4) F-8C F-8B C251 1/2"-163 HS 3410 FIC TSV-2 TSV-1 TSV-3 PI 3411 FIC FIC SYSTEM F-8D L O C C26 RETURN C251 (TYP) C251 3412 FIC L O C C26 (A,5) NH-91197 (ALSO SEE) DWV-18-1 (TYP) NOTE 3 (TYP) 3293 SV C251 FILTER SCANNER C251 3289 FCP AUTO 1/2"- DWV-20 DWV-30 DWV-32 DWV-31 C251 DWV-19 SAMPLE PUMP P-86 6 LOCAL PANEL C-251 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 RANGE SWITCH HS 3285D C26 HS 3285B C26

• C251 C251 C251 C251 OA14-"-HS 3304 FIC DUCT TO VENT RETURN SAMPLE OA13-"-HS 3303 FIC "SS TUBE 3301 FIC OA11-"-HS (TYP)

OA12-"-HS 3302 FIC 3295 SV 3296 SV L O C C03 C26 3307 HS B,4 DWV-18-3 P T EF HS N.E. 3307 SV 3294 SV C251* L O C C26 3311 SV C26 3311 HS C L O C C26 1" 3311 CV N.E. DWV-18-4 FILTER C251 C251 3288 DT COALESCFR MOISTURE C251* 3297 SV C251 C251 C251 C251 3298 SV C251* 3299 SV C251* 3300 SV C251 DWV-25 ORW C251 3287 FI 3434 PCV C251 3432 RV 3273 RV NH-36049-13 DWV-38 DWV-18-5 NOTE 3 (C,5) FROM C L O C C26 L O C C03 SAMPLE TO VENT DUCT RETURN DWV-34 DWV-41 M-131 (C,6) 3435 FIC C251 SEE BELOW DRYWELL CAM HS 16A-S31 C04 OUTLET L O C C03 L O C C04 C 3291 HS L H L C251 DWV-39 3285C HS C251 DWV-40 C251 BYPASS P-87 PUMP TANK C251 SURGE OA10-1/4"-HS 3292 PCV DWV-26 3286 FIC V C251 O An 2 3285 E/S 3275 SET @ 2 PSIG 3285A HS C251 C26 C251 3431 RV

• 5 C251 3433 PCV
• 3285 C26 O R 2

A L C20 4 L H L C26 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 ANNUNCIATOR ENABLED WHEN SAMPLE PUMP P-86 IS RUNNING 3 V-CR-7A PRIMARY CONTAINMENT (G.E. 728E993) 5828-APED-7-2 & -3 REFERENCE DWG. IED NEUTRON MONITORING SYSTEM. CONNECTION FOR AIR SAMPLE & RETURN. 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" (ROOT VALVE IS 3/8" WHITEY 1SV6) 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 81 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 4839 RV 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

APPR: SBK 2-6-07 01121715 JJP 3-5-08 RMG 3-12-08 BJR 3-11-08 01123311 JJP 5-21-08 JT 5-22-08 DCA 5-22-08 12558 10094 BL 12-14-09 BAL 12-14-09 JJP 12-11-09 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 APPR: CHK: DWN: 80 EC DWN: APPR: CHK: 78 DWN: CHK: 79 APPR: A/R EC A/R EC 11951 C D TLH 6-14-06 01058113 JJP 2-5-07 BAL 2-6-07 REVISIONS RJF 6-14-06 JJP 6-14-06 01003845 APPR: CHK: 77 DWN: CHK: DWN: 76 A/R EC 9947 A/R EC 8361 1 21325 APPR: DM 2-8-13 CHK: DWN: BAL 2-8-13 JJP 2-6-13 81 EC 81 (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

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 PSV 7574A 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 FE 7569A TW 7679 TE 7679 TT 7679 RGC-9-1 CNC-116-8"-E2 C252 7678 PI P OGR131 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 LCV 7559A PSV 7568A 1"x1" C252 7680 FY A L C252 5 TT 7565A T OGR137 P-902B CONDENSATE COOLANT SUPPLY PUMP RGC-12-2 7678 RGC-14 M PT 7089-2 CS 42-1603 RO C252 12 TE 7565A CNC-119-3"-E2 (PUMP ROOM) RGC-10-1 TW 7565A F OGR132 FI 7681 FE 7680 FT 7680 ( ) ROOM C252 7680 FI PUMP (PUMP ROOM) CNC-124-3"-E2 FI 7569A CNC-120-6"-E2 TI 7566A 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 TE 7541A 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 H OGR122 H OGR123 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 C252B 7557A HS 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 AO 7557A 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 RM 7611 C252 7684 RI CF DRAIN PI FOR DRYERS SEE NH-100326 OG-101-1 DRYER (Y) AT-7552-A O E-4161A 2 2 (X) H OGR121 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 RAH 7572 A H C252 MONITOR DUCT VENT RM 7684 8 R PRM105 R PRM106 RI 7684 RR 7613 RM 7613 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 RM 7571B OG-157-1 RM 7571A T OGR127 OG-158-1 TT 7541A (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 TI 7537A 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" TW 7561A CNE-101-3"-HN2C A L C252 LSL 7532A LCV 7533A E/P 7533A LC 7533A P/E 7532A CNC-120-6"-E2 RGC-4 ( ) ROOM PUMP CNC-121-6"-E2 PCV 7558A 7558A E/P E/P 7559A T OGR135 TT 7561A E-607-A 11 TE 7561A 3/4" 11 LC 7559A 1 1/2" P/E 7560A LT 7560A 1 1/2" EN1C 2"x1" 1"x3/4" OG-161-1 OG-160-1 TE 7515A PIPE (TYP) TT 7515A CLAMP TE ON RGC-6-1 CNE-137-1"-HN2C GOHE-101-12"-JN3C 11 LSH 7532A LT 7532A 1 1/2" 1 1/2" GN3C GN3C E-601-A CONDENSER P TW 7536A TT 7536A TE 7536A T OGR133 RGC-5-1 RCG-11-1 PSV 7534A RGC-8 TE 7528A OGR119 TT 7528A TI 7528A H L A T TW 7528A 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 TE 7521A TE 7520A TE 7523A TE 7522A dP OGR141 dPT 7519A V-801-A TE 7526A TE 7524A TE 7525A 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" C252B 7514A TI CN-113-3/4"-EN1C OGT-4268A 12 T T OGR115 TT 7514A TW 7514A TE 7514A GOLE-105-12"-HN2C LSH 7513A YS-4269A OG-159-1 A H C252 EN1C LT 7513A 12 GOLE-123-1"-HN2C AIR EJECT ROOM ENIC 3/8" 3/4" VENT FILL AIE-103-1/2"-HN2C HN2C TT 7512A AI-171-1 AI-172-1 FROM FROM (C,1) NH-54818-1 (B,8) CN-112-3"-EN1C NH-54817-3 B1 TE 7512A TW 7512A T OGR129 VENT SHELL OG-174-1 DRAIN 3" 1" SIDE TT 7526A C252B 7526A TI PRE-HEATER E-603A FO 7518A MS-53-1 C252A 7697 TS NH-54818-1 7 INPUTS FROM NH-54818-1 (D,5) (C,8) FROM PSV-7534B T OGR117 CNE-138-1"-HN2C PI 7511A P OGR113 NH-100320 M-2500 (B,3) PT 7511A 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 PT 7499A C252 7508A HS MS-52-1 GOLE-135-1/2"-HN2C GOLE-115-6-HN2C FE 7508A OGT-2-1 NH-54817-3 IN A VESSEL TRAP IS FI 6159 F OGR109 SMPE-103-4"-HN2C WARMING STEAM FCP 6159 (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 AO 7508A 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 P OGR111 SMP-101-4" E/P 7497A 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 A H C252 REVISIONS MS-70-1 YS-7501 RO 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 TW 7683 TS 7683 SHP-101-4"-HN1C SMP-101-4" 3" PCV 7497A 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 DWN: APPR: CHK: 78 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 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 80 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 80

D c B A 8 NH-54822-2 TO GS-1 06-1" -EN3C r __ _:T:_O <JG~DE~=-~1 0~1~-2~" -lG)N.3C (NH 54823 2) NH 54823 2> (~,8) (C,6) 7 TO GS-157-1"-EN5C (NH 54823 2} (C,~) 6 PARTITION""""\\ 5 4 3 2 1 REVISIONS 76 EC11951 A/R 01121715 DWN: JJP 3-5-08 CHK: BJR 3-11-08 APPR: RMG 3-12-08 ~~--~~ FROM E .--------l------+7~7~1~5---------, I I I / / A ---<NH 54823 2) TE ,~ c252~ TSL-7765 ~ r' L (8,8) 7714 1 I I I rfsL:\\ (IT\\ fFo\\ S $ 3/8" O.D. 316 S.S.. 049 WALL GS 158 3/8" EN5C-,_ IOG-861 TE FO FLOW 7714 7715 GS-117-3/8"-EN5C \\\\. ~ FROM T \\7762 \\7762 \\774;0 LIMITING ENX EN5C r---------------------------'"'--'-'-'---"'L-"--='-""'-----------------------------,--'----{*l----l '-- rNOZZLE I I GS-112-1"-EN1C GS-1l 2-1"-EN1C r 1 -- -- --1----- --- -----l-_-_!-G~-5~-!>-5 !Z:-:.!-1 C:'i-E;!!!-5~-C~-l=C=O=N=TR=O=L=LE=R=I------------------------ r-----------------=--'-'----'----"'-'-'->'-----,__-----------------,~.--,------I-~-----I--<NH-54823-2) GS-157-1 "-EN5C 'I' "',...-;c"'-L u (B,1) 3'-o" -----------------------------------------"~~~~~---------------------------------------------------------l-~~,, ~ GS 118 1/2" EN5C GS-122-1/2"-EN5C lOG 831 as L __ t-; __ ll-r~~~-~~~~~~~~~~~~~--~~~1~*~~-~~-~~~11~x~1/~:2~"-G~S~-~10~6_-~1/~<2_"-~EN~5~C-. _____________________ 1 _____________________.-________________ ~----------------------.---------------------I----~GS~-~1~0~6-_1~1/~<2_"-~E~N~5C~--.--I------------------I---------------------. __....~ ..U j_ GD-101-1"-EN5C GD-101-1"-EN5C ---r3 I OG 871 GN3; l!;N5C GS-112-1"-EN1C GS-113-1"-EN1C ---~~;;;.:,.,;;~~- ---,~---- -------- -A-""'T'"---- -----....1.-- -A-""T'""----1--.::;:....:..:.::....:......:=-- - GDE-107-1"-GN3c It'- E-614 u z u I ~ I 0 I UJ Cl + <:;) '05 MAIN GAS ~ ~ ~ I OG-90 I 7 co DISCH. HTR. as ~ ~SV til 1\\J, C252 ,1 {SV\\ {SV\\ , 1 FLOW LIMITING 8 S \\Z_B_s9 \\Z_B,J-0 S. ~ EN5C 1

EN18

_1EN5C 6 NOZZLE !Fo\\~ ~!> ~4 \\/:] ~ '-A ~ \\.7675 .... ~ ~ 3/8" I I (f) (!) I ~-*--r--~<>--'T'"'.,...J I u ~ UJ I

• -I

<D 0 I Cl <:;) u - z UJ I

• -I

"' --I (/) <:;) u ~ UJ I

• -I 0

I Cl c.o (.) z UJ I

• -I "' --I

(/) <:;) (.) !2 UJ I

• -I....

0 -I 0 c.o z UJ I ' ---I (/) (!) C252A C252~H § __[ff]_ 'I rll§Hf---- ~4 I C252A j_ I ~ fsV\\ PT (PS\\ ~ ~-~~~..;6~~-~~~ EN1p ~N1 B (';~...J : 3/8" TIMER ~ LED fSV\\ - L,J \\Z_642 u ~ UJ I

• -I 0

I Cl <:;) ~ t-S~EN12 ~5C lOG 78 51 lOG 76 41 lOG 78 41 i lOG 76 31 lOG 78 31 i lOG 76 21 lOG 7B 21 lOG 891

IFCV 76761 iiOG 76 51 u -

z UJ I

• -I n --I

(/) <:;) ~I OG 76 11 I OG 78 11 u -

z UJ I

~ 7 r- ~ fA I ~ t3

1 u

~ "'IIOG-851"..,:: Z I UJ 0> I

• - -=-=,.__l_ I u 1

en L{) "' I I OG-841" c.o til S' I Cl c.o SAMPLER FIXED ( LOCATED IN ) IN FOYER PI 7702 fXx\\ \\.QQg1 .. ______________ j L----------~ L----------~ L----------~ L----------~ (LIMIT SW) 1 (LIMIT SW.) 1 (LIMIT SW.) 1 (LIMIT SW.) 1 L----------~ (LIMIT SW.) 1 .C252 CLOSE ON ELECTRIC FAILURE 7-50 OR HIGH STACK RADIATION OR LOW HEADER TEMP. POWER FROM FUSE A22-3 PANEL C252A SEE DWG. NE -57806 SH. 1 lOG 77 51 E-613E OFF-GAS-LINE HEATER I 11

---

D~

'~ ~_....LID____ !z I ~ 8 ~ E-613A I \\7703 II OFF -GAS - LINE HEATER f--------------...J

---

D* ~

lOG 77 41 ~--------D~ lOG 77 31'

---

D~

lOG 77 21

---

D~

~_....LID____ !z '~ ~_....LID____ !z '~ ~_....LID____ !z '~ ~_....LID____ !z I ~ 8 E-6130 I ~ 8 E-613C I '\\[!§! 8 E-6138 I ~ 8 ~ OFF-GAS-I ~ OFF-GAS-I ~ OFF-GAS-I ~ ~ 1 LINE HEATER '\\!!!}_9 LINE HEATER '\\!!!}_7 LINE HEATER '\\!!!}_5 lOG 77 TO GS-101-1 "-EN1 C L------------------- ~J,-=:_0;;-STRif> _____...J f--------------...l ______________...J (ON PANEL) f--------------...l __ !~~~i~~~----------~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~ --~~----------------------------------J ( NH 54823 2) :;:::t-J (8,8) I OG 82 I 1" GS-101-1"-EN1C I I GS-101-1"-EN1C IOG-164-51'7 IOG-164-4~ __.....:::::......:..:..:.._~IO~G~-~16~4=-3;::;5~T----I---------------

---

;I:;;:IOG;;::_::;:16~4=-;;:;2~:T----I---------------

I'"O"'G--"'80'-"5"'1'1'1 ~ IOG-80-41'< ~- IOG-80-31'1 ~-

1.

u:; a r::;; a r.;:; GS-150-1/2"-EN1B T GS-149-1/2"-EN1B GS-148-1/2"-EN1B .., ~ T ~ -., "\\' T ~ 7 "\\' I OGT 51 ~ >...8 I OGT 41 til ~.._~ I OGT 31 til w >....~ EQUALIZING LINE (TYP) z z z IOG-80-2r UJ UJ UJ IOG-79-sr ,1 IOG-79-4r ,1 c252fA\\A L IOG-79-31' ,1 'I "I y "I 1-------'~::..J, ~ I l ~"' ~TT ~ 1" PIPE----, f TT \\ IOG-79-2r.,

z UJ I ' -I

~ I ~ GS-101-1"-EN1C I OG-164-1 f'7 ,.....--=-.-....' C252~H as r;:: TO I OG-80-11'< ~- A GS-146-1/2"-EN1B

IO[.G-128(1 IOG-1291 CN 141 1 '2" 81 D6-1 1f2"-HC 1--~"--'2"-....!L:._""'-'c:....,--1 T ~ -., "\\'

I E:..r...-r-..f-~'>.>.... <l-----+1f-!~.!+/-!.::..!.ll/~

• ~-=<NNF~5~1

~14[§6)> IOGT-9-11 til ~>....2 ~ Q ~ v~ IOG-79-H.. § \\(6~1 I ' -I ;: I ~ I WA 101 1" 81 I I FROM C-1003 A&8 NH 54823 4) (B,B) NOTE 3 1.. l" NOTE 3 1.. ff-,;!;TTW'"\\. _ _.__L_(ILOCATE IN)l" NOTE 3 1* 1.. NOTE 3 1.. 1 NOTE 3 1" OGH BLDG SUMP (TYP) I .i \\Z_l]} 9 SHIELD WALL""""\\ f? ~3 FOYER 9 9 SHIELD WALL""""\\ 9 ~~====~s=~==~~~llt=~====~s=~==~~~l==~====~s=~==~~~ll ~=t~==~~~==~===ll~=*==~==~~~~==l ~~====~~~~~ I A ,1 I A ~ I A I A I 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. 8 7 [!]

z UJ I

~ I 0 --I I LJ I LJ \\'83 I LJ I LJ I I ~ i I ~ i I ~ i I ~ i I + ~ ~ ~ ~ ~ + ~ ~ + ~ ~ + = ~ = ~ = ~ = ~ .J---.t._l I I I I I I I I I I ~ ~ ~~ ~ § ~ / ~ ~ I I I I I I I I [!]

z UJ I ' -I -

0 4" DRAIN.../ NOTES:

1. FOR GENERAL NOTES, LEGEND, REFERENCE DWGS. ETC. SEE DWG. NF-51133

2. ALL PROCESS VALVES ARE BELLOWS SEAL TYPE EXCEPT AS NOTED.

~ L.-+--E> G--- ~ ~L.-+--E> ~ ~L.-+--E> G--- ~ ~L-+--iE> G--- ~ ~L-+--iE> I UJ 0 G--- r--:-

3. TANK RADIATION MONITORS REMOVED, INSERTION TUBES REMAIN.

V-806 I)) 6 V-805 lj] 5 V-804 I)) 4 V-803 [j] 3 V-802 [I]

4. VALVES ON THIS DRAWING NOT INDICATED AS OPEN OR CLOSED DUE TO FREQUENT CYCLING DURING NORMAL OPERATION.

REFERENCE DRAWINGS: 1. ELECTRICAL - COMPRESSOR/STORAGE AREA, ELEMENTARY & WIRING DIAGRAM SH. 1. ..................................... NF-51157

2. ELECTRICAL -

RECOMBINER AREA (TRAIN "A") ELEMENTARY & WIRING DIAGRAM SH. 2 FOR PY7791 SCHEME................... NF-5116

3. ELECTRICAL -

SINGLE-LINE DIAGRAM...................................................................... NF-51156

4. ELECTRICAL -

HEAT TRACING___ _ _ ______...... NF -56210 THIS DWG. SUPERSEDES SUNTAC NUCLEAR CORPORATION DWG. NF-54822 MONTI CAD DWG A r---:::co=-LO:::R""'LE""G:::EN=::P::------,1 M 0 NTI CELLO NUCLEAR -ASME aASS 1/QlW.IlY GROUP A GENERATING PLANT -ASME aASS 2/QlW.IlY GROUP B UNIT 1 SIGNIFICANT NUMBER 8700 OGSB 1 1 OGH 4420 OGR GROUP 2 3 4 5 CL 6 MONTICELLO NUCLEAR GENERATING PLANT P&ID OFF-GAS MODIFICATION ENGINEERING FLOW DIAGRAM OFF -GAS STORAGE AREA -ASME QASS 3/QlW.IlY GROUP C =~R~~ M~CHANICAL II--N-0-R-TH_E_R_N_S_T_AT_,_E_S_P_O_W_E_R_CO-M-PA_N_Y---.-SC_A_LE-: -NO_N_E----.-R-EV-76--; =SAFETY RELATED ELECTRICAL MINNEAPOLIS NH-54822-2 2 1 D c B A

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 81 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 81

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 LOW POINT 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 LOW POINT 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 78 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 78 CHW-31-2 CHW-30-2 CHW-29-2 CHW-28-2 78 CHW-31-1 CHW-30-1 CHW-29-1 CHW-28-1 PLUG

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-------- -------------, I I I /""'--.v-........ ---"'1 I ~5~~ I I ~ 283A c SA I I ,----------------------~ I I I I I I I I I I I I I L-----~ 6 ~ 838 c 8 I I I I I I I I C2838 _ _ill]__ uu-5 CAUBRATION GAS 4 4 3 3 2

1.

OElfJEO

2.

HEAT TRACING IS SHOWN JS ICZJ 0 o 0 o 0 o 0 ol

3.

OMSION I P.INEL IS C259. DMSION II P.INEL IS C260.

4.

DElfJED. !§:>~o~~E2/EmRIECA~g~~t~oo~ 1WJ8_R 8f9H (~~v;) o~N~2~r (DIY. II). THE OTHER IS FOR THE PRiw.RY CO~AIN~E~ ISOLATION DISPLAY ON P.INEL C03.

6.

THE "EF".IND "HS" DESIGNATIONS ON THE UNE NU~SERS ARE FOR PIPING CLASS INFORIJATION ONLY. THE DESIGN OF THE PIPING IS PER SPECIFICATION NSP-51-007. It> TUSING BETWEEN GAS SOmES.IND ANALY2ERS IS TO BE 1/2" TUBING, 0.65" THICK. lli> EXISllNG VAI.VE. lli> PIPING FOR PENETRATION X-27 SHOWN SEPERATELY FOR CLARITY. REFERENCE DBAWING$*

1.

DElfJED

2.

POST-ACCIDE~ SAI.IPLE SYSTEM P&ID. ...................................NH-96042-1

3.

CO~ROL ROOM P.INEL DRA'MNG CAIJ SYSTEM.... ................... NH-91994

4.

K-IV PIPING.IND INSTRUIJE~ATION DIAGRAM (DELPHI DRA'MNG)......... D1520

5.

POST-LOCA COIJSUSllBLE GAS CO~ROL SYSTE~ P&ID...................... NH-94896 & NH-94897 NUCLEAR SAFETY RELATED NUTECH FlLE No. 30.0451.1201 DWN: Jll 10-29-10 CHK: OOW 12-8-10 M'PR: AY/1. 1-2H1 -~GIW'A -ISE. ClASS 'i/rlliiift GIW' B -ISE. ClASS 3"jQIWJJY GIW' c -QU.lJ.IIY GROUP 0 -SiiEIY R£lATEil ~ SAIIJY RELATED ELECTRICAL TMs map/docurMnl is to assist ~mplcy~es in the performance of their jabs. Your personal safety is provkkd for by using safety practices, pr~~ures ond equiprMnt os ckscribed in safety training programs, manuals and SPAR's. MONTI CAD DWG G P&ID CONTAINMENT ATMOSPHERE MONITORING SYSTEM MONTICELLO NUCLEAR GENERATING PLANT fl X eel Energy-IIDUIIStms~<<thttt 2 SCAI.E: NONE REV 78 c B

O<OA '---==-'----' D<OA I D0ll~ tv~ 2.1 I 'LS /250 V. DC. eATf£R'f I !

• l (-)

0 - l+-) (-) 0*4COA. c.KT-2. e-.50"N'-c 30 " ! '----- ------oioo;;-~1-----+- - ----- IP22 !PH .-::::-:;-*I- -*, r- ---- l I y3L£..0 C 1 i :zsv rx:.. "" f!PC! I 112.5 voc FOR SRVf 1.. 5Y~TE:M. ;SEE ow~. f LO}~*LOl/11 SET 1 f*IJQ., ~;'!__ S l. _ ::__j l P~N!':_ ~ ~ ~ J . 12:?/250 \\< DC:_. DIST.;::C_A__;;B::c.;*---=D:....I-==0--=0:::..... SCI-IEMG 0<0 (c. HAN N f.L. 2) CKT 12. e-'IOOAF-( 225AT + (I~)(V.) PI (150)(0 1 r_p 2 ( 15())<.1< ) !'-p 2 (i'il)(l.-) I C244S I 1'1-:SOOMC.M (A)(310' r P3,N3 'J SP Jt*lt.i I 0100 l.Di \\..JPIO (F) -8P22 (tO I) (101 .;Vo

• ~b

(!:.) >-iNH) ~ *t~l) (G.J. {It) I) >-BPI I r~ 1 I 080 I I (500 MCM .t -~I (M)" '\\.._ 7 p 2.2 (Nl (!01) (135)

• vo (PI (J\\ '1PII (WI) o~s-D90 I I SCHf.ME:. D0 l\\..JP23 3?<JM(.M riNI~

tTl \\.::,h), 0?12 I

NO. REV.

INITIAL DATE REVISED BY DATE I ~" "'""' !!>ul~"!lll-V FORCMAN OAT£ ~V"._,..,......, \\,;I[ I VP'2 1 P~1,'::,? I ¥**o lll~tlllllllll[l!l

• ~;(-'33$23-3*

Q e.E<:.KTE:l. JOB N2 1004-0 tlWG. t-J9 S.- '2..0 I SH *.::, NE ':33SG3 I?Ev. f SHEET 3

I l j l I j PAIVE.L C2.44B ~Olv\\ PolL. B44f CI:T. "I CLASS 1-E I ?.0 \\f. A.C @I P~I.JEL 11 C'Z.4a.\\'C U XI Dl I,SP BAlTERY CI-IARGEt:< !ROUBLE ALARMS i

C2.44B I SCHEME.

IJ> (F) ~XJSP DG ('2.14) oro I Q.lO J Dr:, 01000'1 (E) ~z,~p >-(Gi) (?..14) D/~5 214 t I W2 J D0 (Dl 00 (<!4) ~3,5P 00 D<O

Q.22. I O<D SCI-!£M£ OIOOIZ..

r-- D312.03 SW'"'I l 5E\\" NOT 5 ) CON"'CI"CT WOI:MAL B'f PA.S.'i. ~)"\\'6,f'ln I --;1-- IC. X ntfS" 511* a --Jt--- aG x ,,.. u~ <r.u. 3 -U--3C. X ~M -~ 4---if-- ~G f ){ .StJ.!'l 1WO POSITICI'I SWITc.t\\,MAlMiAINED ( c.L.A.<>e, IE:)

1. IOC.-I?..S/'2.50 V. DC OISTRIBIJT'IOtV CABIIJE:r D\\00 cKr. AC&

SERVICE . WIRE JJQ ~ DESCRIPnCIV LOC.

• ClWJIJEf::.:.* 5\\ZE.

l 1~ 125 V. DC, FOR HPCI SYS* 0312. '2.

• ' 10

2. I~

125V.DC,OPTIC.ISOL. P.S. C2<Hl)

2.

'~~'10 3 1% 1~J'*&& ~~ ~:ta. ~"38 C253B 2 " 10 -- 4 1~ 125 V DC f. OR ASDS SYS C2.~2 2

r !0 090 2

"'-1/0 8 ~ !2.5 V. DC IY\\1T. CJ.IARG. 01:,0

• "I/O o:> % rz.s v. oc. eA.'1T. CfJI>.P.G.

O\\O 2 'li'!{O 10 A~ 125 V. OC e:A\\T.CHARG. 0\\0

2.

'II'J/0

---

*---+---+----~-----4 I II 14% 250\\/.DC FOR HPC.! SYS.

D'31'2.

2.

12. %

0\\l.(ll !2.0 VAC.. UP5 Y81 Y8l -l---+---l 2.5'0 MC-M NOT£5 I. FOf.l. 0\\5\\'RIBVTIOIJ CABHJET DIOO_, CABLE IJ9S A/JD CA8LE CCDE SEE' e,LOCK 01/>.GRAM OIJ 51-1.:; i\\.!15 OMWIIJG. 2.. OPTICAL ISOLA."'DR USES CLASS IE: 1\\JP\\JT.S NJ0 PROViDES ISOLATED CVTP<.JTS FOR A t-!ON-CLA55. *::: C0/VIROL 9

3. WltRCOtVIVECTIOt..lS OF ALL ALARM CONTACTS iD e:E DOfJE BY Tl;E fiELD AS SHOWIV WITH 1t 14 AWG.

4. ALL Al>REVIATIOkJS AA!: AS J:OLLOWS

• ACFFA.

AC i'ONER FI>.ILVRE t>~.ARM. ' HV 5D HIGtli VOLTAGjo SJ.<UTDOWAI I I ~** :

lrNH-948~6 7 6 D c B A 8 7 6 5 4 3 2 JmES; [!> B> §> B> [§::> [§> lt> [§> REfERENCE QBAWJNGS;

1.

ROCKWELL I~RNATIONAL HYDROGEN RECOMBINER P&ID DWG N116000320.

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.

MONTICELLO NUCLEAR GENERATING PLANT fl_!~~n!Ey-2 1 ;l D DWN: JLL 1D-2HO CHK: DOW 12-B-10 APPR: AWL 1-22-11 c B -~GIW'A -- CII.SS 2i'GIW.IIY GIW' 8 -- CII.SS '!/G!Nm GIW' c -OlWJIY CROUP D -SAFElY R£LJ..lED U£l:IWICAL A -SAFETY RELATED ELECTRICAL

8 NH-94897 D c B A 7 E <S

• I I

~ g 0 6 (C.B) I r--t---' ~t"": r--r-l I I I I r ------------ ~ I I I I I I CAIA SAMPLE I I I I I 5 @ @~~-; '40358 40J5B T 4041 B C2868 I I~ I I 18 OllJ~ L ~~B C2868 C2868 - I I I L _____ _ I I 4 ...____------£ _------- ~-------------------- 1 I FG L~~oo~~ RAIN..qj 71 I I I I ~ I _ : 338 I CGC-P1B I 1

• 0 CGC68-1 J'2 -CA I

I C C2858 I o<6 1 cyc285B L ___ _. ____ _ CGClB-2"-CA r_j I

---

--1-------,

I I

z

J 3

2 ~ [}::> THE INlET AND Oun.ET PIPING SHALL BE SUITABLY SITliATED SUCH lHI.T Nff CONDENSATE WHICH W.Y COUECf Will. NOT INHIBIT RECONBINER OPERATION. ~ DELmD It> eNol SAMPLE UNES MUST TAP TOP OF CGCS PROCESS UNES. a>- VN..Vf. TO BE LOCATED NEAR THE RHR AUXIUt.RY AIR TAP. @:::> DISCHARGE INTO DRAIN LOCATED UNDER THE RECOMBINER SKID. [!:> ROOT VN..VE TO BE LOCATED NEAR THE CONNECliON TO PROCESS UNE. It> INSTRUMENT TO BE ADDED LATER. PLUG AT REDUCERS ADOED TO CAP OFF INSTRUMENT UNES. I§> DELmD. ~ FOR INSTN..LAliON Of FT 40398 AND OPT 43858 INSTRUMENT UNES, SEE owe. NQ-119013-1. REfERENCE QRAW!NGS*

1.

ROCKWEll. INTERNAliONAI.. HYDROGEN RECOMBINER P&ID owe N116000320.

2.

CGCS SYS1Bol DESIGN SPECIFlCAliON, NSP-63-101.

3.

CGCS DIV. R El..ENENTARY DIAGRAM NF-94895-1.

4.

eNol SYS1Bol P&ID NH-91197. ABANDONED IN PLACE k RECOMBINER UNIT C2888 __j ~(BY OTHERS SEE REF. 1) NUCLEAR SAFETY RELATED 1 DWN: JJP lD-3-1>8 CHK: BN.. lD-3-al APPR: ll lD-6-{)8 -~-.. A -IS£ aA'5S 'i/fiiiUfr _,. I -18£aA'5SJ,IIIIIJn'-.. C QUMJIY GROUP D SolfEIY IIELQB) IEIWIDL SAFETY RELATED ELEClRICAI. H D c B A

('\\ > \\ \\ 1 0 LEGf,;,;!ID.._......_ ~p CO PROPERTY f""'::n:=r;;:n;:;::]~ SCAlE 1/4 l/2 3/4 1 MILE 1 'Y RAHGE 28 W RANGE 25 W TWP 3~N A 'f' REVISIONS D AS BUILT, REVISED PER LAND ACQUISITION ADOElJ LOW POP. ZOWE RADIUS PER ORR M0-88*%. OWN: REH ~ -I.N!Jl!J CI-IK:,9/'/ f';/6 -f'? MOO,, -- F-ILMED: L/~8 -88 1..--...q..JIIINHUI FEIICttl ;.REA E AS-BUILT: MONTICF.L.LO NUCLEAR GENERATING PLANT UNIT 1 El<<:LUSION "Z.ON E ANI) RESTRICTED AR.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: JJPt F-28-98 CHK:,~yL !Z:Z/f-'ft* MOD. r-fl.-' FILMED: 1-19-q q MONTI CAD DWG 'E' SIGNIF:CANT NUMBER 8700 -- AR 1, 62l O 2 GEL GROUP 2 3 4 5CL6 MONTICELLO NUCLEAR GENERATING PLANT MONTICELLO PROPERTY MAP NORTHERN STATES POWER COMPANY SCALE: NONE REV E MiNNEAPOUS N 0 - 9 5 2 0 8

withheld from public disclosure under 10 CFR 2.390

8 NH-119062 D c ~ 8 UNER l.£'la A 8 7 6 5 H-22 3/4 4 CHEMICAL DR'fER 3 2 3 ~------ S-73------~~~~~~~~"~ ~ 7 ~, BOOSIER DEWATER PUt.IP AIR C34~L C341 HS 4560 I CAMERA L£NS AIR CAMERA FlUSH WS-1 AIR I ~ --f~----- l +--~~ I ~ i ~----------l-~:-,_*~-~~1' ~ i ~ __ :_,H-202*-..:u---- -~I'OSOliOIO): ~------~ CONTRO~ PANEL~ +/- AilliEAD COOU"" +/- - 1 iy. I l -L 1--- - I.U H-19 2" - q ~p:r ~ ?i~;---~ ----8=---__________________________________ j I ffi -,1 ~.1 ~ C341 00T1ET I ---~ _ : _~ i I T i :

rl r:: _____________________ JJ ____ ---- ~1 r- ------,-_j 1

TE ¥.--; I I ~ I 4586 I 11/2" X 1" 1'!2* X 1" ~21 ~ : 11 +-- I ~I..... I I C341AHH I

II..,

I LS I +/- 1 4574 1 ~------1 3 // X %" 1------------------------ l----------- ~. MOISTURE SEPARATOR FlUSH ':~T_C_O_NN_EC!JO~ SIANO _ -- __ ___j (NON-ROUnNE) I C34~H ~~~~--~------~----~~~H----+~~~H ~*,, N I

t:

~~~~--~------._ ______ ~~H----+~~~ ~~~---4------------~~---B~~~ 1~~----------------~~---B~~~ 21-300 UNER PAN (TOP VIEW} HEPA BYPASS HEPA ALTER F-55 1 REVISIONS 76 EC11951 A/R 01121715 OWN: JJP 3-+-08 CHK:~l--11~ APPR: RWG 3--12-{)11 -~ -ISlE CUII'I51./IIIU't.... I -IBE cutS ¥Um'.... C -ClUMJIY GROUP D -SIHJY lllmD IIEtWICM. SAfElY RElAlED ELECTRICAL REDRAWN FROI.A CHEM NUCLEAR DWG. No. C-340-E-0519 REV. E 4 5 6 7 6 5 4 3 MONTICELLO NUCLEAR GENERATING PLANT UNIT 1 MONTICELLO NUCLEAR GENERATING PLANT RDS-1000 P & ID D c 8

'~----~------------------------~--------------------------~--~ NH-1 78635 REVISIONS 83 EC 16880 DWN: TJF 03-14-11 CHK: JAZ 3-21-11 APPR: AJD 3-21-11 3 )... )... )... 3 TO TRAINING CENTER AUXILIARY BUS ~ LNS 33D +/- AT-Rf;- - -<,AT-N I I A I .208/.120 ~ ulJJ Ulu4.208/.120 I I _l.u.J 13.~/:;. 1-500 1-500Tl;.12.5.=. I -::1.. 1-18 I c-10 .:r:. I I ~ ~I I MET~gRO- ~ I J- _j I I LOGICAL""'.120/.240 13.8 FENCE_ I 3 .:r:. NO. 6 TR. AUX. EQUIP. DIAG. GE-1162 120/240~~ 3-25 13.8)...1 3

• I H 11-+--------,Ff't--.,

3 TOWER I 1-::_10~ c: II~ r----- ~ , ____ _j I -'i3 ~ e 1--4--- 6 v1 N3 6 I.------'----t>- I ~AD ¢ B~+ l _) f 7N 1 t BD ~ I A'-L ~EEl e3n /B--** llfr'11--*----- AR-Rc YP n-cu I ~+ 6 7N2 6 t AD = I TO BENTON CO. TO ELK RIVER 84 EC 11 018, 12332 15425 DWN: TJF 05-1 1-1 1 CHK: DOW 6-9-11 APPR: AJD 6-9-11 85 EC 16881 DWN: BAT 6-27-11 CHK: WGN 6-27-11 APPR: AJD 6-27-11 86 EC17014 DWN: JJP 3-6-12 CHK: PEB 3-6-12 APPR: SCP 3-6-12 87 EC11445 ~ T T T NOZ5~o2 D 3 NO. 11 D 2500 L - _._120/.24~2~ _j B RC A: TO 3 v1 N4 3 ,------, f..:tl-.. ~ ':!!... A'-r oTd'l []l r't:A"' /B_..... IIIfr'1.. _llil ___ _ As-Rc BD AR-Rc y p 6 NO. 6 n-cu DWN: BAT/NJM 11-20-14 CHK: RLJ 11-20-14 APPR: SMA 11.20. 14 L 3 6 ~L £ 6 A 111 COOLING ~B TOWERS i~10 TL i6o2 iso2 )... )... )... 3 3 3 4.1 6KV STA. A I I 511 -'----~I~>------~~ ~ux. Bls. 15 1 ~ (( 1*1 > 3 L ~~08 ~~01 ~;01 L1 ~~08 L T 4.16KV STA. 3 1J 1J 3 4.16KV STA. T UX. BUS. 14 ~ f AUX. BUS. 1 3 3 3 0 ~ I 3 3 3 3 3 ~ 3 T 3 TA 3 3 3 3 3 f 3 ~ 1 0 FOR DETAILS OF 13.8KV AND 4.16KV

~ 0 0

~ IX) I X I - ll 1 1R +/-NO. ~STA. AUX. 40.5/54 MVA BUSES SEE DIAG. NE-93194 (SHEET 3) 718000-S = 1-25 0 ~ 1 I X +/- 1 1J NO. 2R STA. AUX. 4D.5/54 MVA 0~ NO. 1 +/-T 6 6 = PFV1 A::fA = I +/-l -::1.. 3 3 fYYY>f:;. 34.5 B T RC AI L----------=----l 1-336000 1 .120/ r---------- 1 .240 13.8 TO DICKINSON .:I:. I "H I T L __ _ 1 1 N2 1 4 ~:;. 3 V 3 } ~~GROUND & LAKE PULASKI 1 AR STA. AUX. 1-7500 r---:1--:-A:::-R /'1:-c:3. S~K-::-V-:--"':-1-=-o=TR:::-.----11>-- -, ---t>-A"'::::A~) (b"A ------------------JYTn--,- DETECTION A_jl 120/t TR. L---------- -o:: 138 3-10 STATION AUX. . 240 = t:;. TRANSF. "B" 4 1f8 T 4.16 +/-16-5/8% 1AR 13.8KV 1ARS TO NO. 10 TR ~ E_____2 .120/ 1-300 TO SHERBURNE CO. AUX. EQUIP: '3 ~- .24o~:;.Ul:J..J HASSAN GRD. DETECTION .120/.2401:;. ulu 3-25 34.5+/- 1 GEN. TR. 1-8DDOOO ~E::nr:.. ~:;.+/-I 22 345 1 3-15 .,~= +/-ELM TC0REEK

• • H M

A~f rr4 ..¥ 13.8/:;.T I ~-~ IHI* +/- ~ rc_= .:r:. 345 115 13.8 +/-!:;. 1 I I I I I I 345KV BUS 2 ..rA 6 '""'-A 6 -::1.. I / T ~ ~-Fe\\::Jd'l"'"5~...., I TO COOLING A¢ .=. RC G ~ IRC79 8N12 ij6 TOWERS

• • HI~ **HI~

6TR-HI-MOD I ..¥ B --I IIIHI* AS RC ..r B2 L-------, 6 B B I I .=. RC G v lA¢ IRC79 8N11 1 N7 I~' I 6 3 6 3 .=. 1 ARS .=. I 1N6 RC G RC79 SN9 6 A¢ ....__ B rr ~, ~HI* -==1-jiHI* 6 RC ....__ B2 G 8N8 I A I AT 3 ~ 9 I:} I 3 (~\\. I AS ....__ B RC RC79 G 8N6 ..rB I HI* ..rB2 6 RC G RC79 8 NS 6 ..¥ B1 NO. 10 1-336000 +/- 16-5/8%

• IH I f-11:::=--==--=:::a T -

5N6 6 B AR SNS RC 6 li RTR-DISCJ B1 115KV 1"--1 II<> 5N4 AD J~* AD 115KV BUS 2 AR RC 5N9 CD n 6 B <H** B2 6 AR RC n ~CD 5N8 ~ CP 6 B 13.8)... ul.u t:;. 4-I I .120/.240t:;. 1 3-15 13.8 3-45 1 '""'- B 6 GRD. 6 G RC ~N7.=. A¢ AR RC 5N7 I DETECTION '- -- _j RC 8 N 1 0 I ~' 1 RC79 G 8N4 . M,B\\11 '""'-A }--3 .:r:. I '""'-A ..r A H** T T M lt.4!!1111111::::11-:::::;:tl!llll ~~-=:J-..:::::::._CIIII_::::..I-==-~~-=:1~ .f B!l>l 1 AS 345KV BUS 1 ..r I l1 ~ +/- TO QUARRY I ~ SUBSTATION ~--------------------~C~U~DICTIO~ ________________________ _j PLANT JURISDICTION 795 ACSR 26/7

• • ~

TO LIBERTY SUBSTATION CP n 115KV BUS 1 AO J~* AD 5N12 <H** 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. r.-M"'O""NT"'I 'C"'AD,---,;D""W"G,....,.A..,-J SUBSTATION 1-LINE DIAGRAM MONTICELLO NUCLEAR GENERATING PLANT SCALE: NONE REV 87 NORTHER~ STATES rOWER C~Mr~NY tJ Xcel Energym NH-178635}}