ML18155A453

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Updated Safety Analysis Report (USAR) Revision 35, Section 9, Plant Radioactive Waste Control Systems
ML18155A453
Person / Time
Site: Prairie Island  Xcel Energy icon.png
Issue date: 05/18/2018
From:
Xcel Energy, Northern States Power Company, Minnesota
To:
Office of Nuclear Reactor Regulation
Shared Package
ML18155A439 List:
References
L-PI-18-018
Download: ML18155A453 (56)
v • d • e


Text

PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT USAR Section 9 Revision 35 Page i SECTION 9 PLANT RADIOACTIVE WASTE CONTROL SYSTEMS TABLE OF CONTENTS Page PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT USAR Section 9 Revision 35 Page ii TABLE OF CONTENTS [Continued] LIST OF TABLES

PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT USAR Section 9 Revision 35 Page iii TABLE OF CONTENTS [Continued] LIST OF DRAWINGS

PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT USAR Section 9 Revision 35 Page iv

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PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT USAR Section 9 Revision 23 Page 9.1-1 SECTION 9 PLANT RADIOACTIVE WASTE CONTROL SYSTEMS 9.1

SUMMARY

DESCRIPTION 9.1.1 General Systems Description

PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT USAR Section 9 Revision 23 Page 9.1-2

PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT USAR Section 9 Revision 23 Page 9.1-3

9.1.2 Component

Design Considerations PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT USAR Section 9 Revision 23 Page 9.1-4

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PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT USAR Section 9 Revision35 Page 9.2-1 9.2 LIQUID RADWASTE SYSTEM 9.2.1 Design Basis

9.2.1.1 Liquid Radwaste 9.2.1.2 Monitoring Radioactive Releases

PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT USAR Section 9 Revision35 Page 9.2-2

9.2.2 Description

PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT USAR Section 9 Revision35 Page 9.2-3

PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT USAR Section 9 Revision35 Page 9.2-4

PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT USAR Section 9 Revision35 Page 9.2-5

9.2.2.1 Components 9.2.2.1.1 Laundry and Hot Shower Tanks 9.2.2.1.2 Chemical Drain Tank 9.2.2.1.3 Reactor Coolant Drain Tanks

PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT USAR Section 9 Revision35 Page 9.2-6 9.2.2.1.4 Waste Holdup Tank 9.2.2.1.5 Aerated Sump Tank and Pumps 9.2.2.1.6 Non-Aerated Sump Tank 9.2.2.1.7 Aerated Drains Treatment (ADT) Monitor Tanks

9.2.2.1.8 Aerated Drains Treatment (ADT) Collection Tanks PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT USAR Section 9 Revision35 Page 9.2-7 9.2.2.1.9 Aerated Drains Treatment (ADT) Ion-Exchangers 9.2.2.1.10 Miscellaneous Drains Collection Tank 9.2.2.1.11 SGB Monitor Tanks 9.2.2.1.12 SGB Ion Exchanger 9.2.2.1.13 Waste Evaporators 9.2.2.1.13.1 2 GPM Radwaste Evaporator 9.2.2.1.13.2 Waste Feed 9.2.2.1.13

.3 Steam Supply PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT USAR Section 9 Revision35 Page 9.2-8 9.2.2.1.13.4 Cooling Water Supply 9.2.2.1.13.5 Distillate System 9.2.2.1.13.6 Concentration Level 9.2.2.1.13.7 Nitrogen Blanketing 9.2.2.1.14 ADT Evaporator (5 GPM) 9.2.2.1.14.1 Evaporator 9.2.2.1.14.2 Vapor Condenser 9.2.2.1.14.3 Concentrate Cooler 9.2.2.1.14.4 Recirculation Pump 9.2.2.1.14.5 Distillate Cooler PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT USAR Section 9 Revision35 Page 9.2-9 9.2.2.1.14.6 Vent Cooler 9.2.2.1.15 Waste Condensate Tanks 9.2.2.1.16 ADT Condensate Receiver Tanks 9.2.2.1.17 Aerated Monitor Tanks 9.2.2.1.18 Waste Liquid Discharge Header

9.2.3 Performance

Analysis PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT USAR Section 9 Revision35 Page 9.2-10

PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT USAR Section 9 Revision35 Page 9.2-11

PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT USAR Section 9 Revision35 Page 9.2-12

PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT USAR Section 9 Revision31 Page 9.3-1 9.3 GASEOUS RADWASTE SYSTEM 9.3.1 Design Basis 9.3.1.1 Gaseous Radwaste System 9.3.1.2 Monitoring Fuel and Waste Storage Areas

9.3.1.3 Protection Against Radioactivity Release from Spent Fuel and Waste Storage Areas PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT USAR Section 9 Revision31 Page 9.3-2 9.3.2 Description

PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT USAR Section 9 Revision31 Page 9.3-3

PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT USAR Section 9 Revision31 Page 9.3-4 9.3.2.1 Components 9.3.2.1.1 Gas Decay Tanks 9.3.2.1.2 Compressors

9.3.2.1.3 Recombiners 9.3.2.1.4 Nitrogen Manifold 9.3.2.1.5 Hydrogen Manifold

PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT USAR Section 9 Revision31 Page 9.3-5

9.3.2.1.6 Gas Analyzer 9.3.3 Performance Analysis

PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT USAR Section 9 Revision31 Page 9.3-6

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PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT USAR Section 9 Revision13 Page 9.4-1 9.4 SOLID RADWASTE SYSTEM 9.4.1 Design Basis

9.4.2 Description

9.4.3 Performance

Analysis PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT USAR Section 9 Revision13 Page 9.4-2

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PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT USAR Section 9 Revision31 Page 9.5-1

9.5 REFERENCES

PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT USAR Section 9 Revision31 Page 9.5-2

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PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT USAR Section 9 Revision 32 TABLE 9.1-1 WASTE DISPOSAL SYSTEM PERFORMANCE DATA

()

PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT USAR Section 9 Revision 23 TABLE 9.1-2 WASTE DISPOSAL COMPONENTS CODE REQUIREMENTS

PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT USAR Section 9 Revision 28 TABLE 9.1-3 COMPONENT

SUMMARY

DATA Tanks Qty Type Volume Design Pressure psig Design Temp F Material (1)

PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT USAR Section 9 Revision 28 TABLE 9.1-3 COMPONENT

SUMMARY

DATA Pumps Qty Type Flow gpm Head ft Design Pressure psig Design Temp F Material (1)

PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT USAR Section 9 Revision 28 TABLE 9.1-3 COMPONENT

SUMMARY

DATA Pumps Qty Type Flow gp m Head ft Design Pressure psig Design Temp F Material (1) Heat Exchangers Qty (per unit) Type Shell Flow (lb/hr) Tube Flow (lb/hr) Btu/hr Shell Design Press/ Temp (psi)/( F) Tube Design Press/ Temp (psi)/( F) Shell Matl. Tube Matl.

PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT USAR Section 9 Revision 28 TABLE 9.1-3 COMPONENT

SUMMARY

DATA Strainer and Filter Qty Flow gpm Design Pressure psi g Design Temp F Housing Material Miscellaneous Qty Capacity Type PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT USAR Section 9 Revision 23 TABLE 9.2-1 PERFORMANCE DATA AND SERVICE REQUIREMENTS

PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT USAR Section 9 Revision 23 TABLE 9.2-2 PERFORMANCE DATA AND SERVICE REQUIREMENTS

PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT USAR Section 9Revision 23 TABLE 9.2-3 LIQUID SOURCE TERMS FROM THE PRAIRIE ISLAND PLANT (PER UNIT)

ANNUAL RELEASES TO DISCHARGE CANAL Coolant Concentrations Adjusted Detergent Total Nuclide Half-Life Primary Secondary Boron RS Misc. Wastes Secondary Turb Bldg Total LWS Total Wastes (Days) (Micro CI/ML)

(Micro CI/ML)

(Curies) (Curies) (Curies) (Curies) (Curies) (CI/YR) (CI/YR) (CI/YR) CORROSION AND ACTIVATION PRODUCTS FISSION PRODUCTS

PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT USAR Section 9Revision 23 TABLE 9.2-3 LIQUID SOURCE TERMS FROM THE PRAIRIE ISLAND PLANT (PER UNIT)

ANNUAL RELEASES TO DISCHARGE CANAL Coolant Concentrations Adjusted Detergent Total Nuclide Half-Life Primary Secondary Boron RS Misc. Wastes Secondary Turb Bldg Total LWS Total Wastes (Days) (Micro CI/ML)

(Micro CI/ML)

(Curies) (Curies) (Curies) (Curies) (Curies) (CI/YR) (CI/YR) (CI/YR)

PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT USAR Section 9Revision 23 TABLE 9.2-4 PRAIRIE ISLAND LIQUID RADWASTE SYSTEM SHIM BLEED EQUIPMENT DRAINS

& CLEAN WASTE DIRTY WASTES BLOWDOWN WASTES DETERGENT WASTES

PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT USAR Section 9Revision 23 TABLE 9.3-1 GASEOUS SOURCE TERMS FROM THE PRAIRIE ISLAND PLANT (PER UNIT) Page 1 of 2 GASEOUS RELEASE RATE

- CURIES PER YEAR Gas Stripping Building Ventilation PRIMARY COOLANT (MICROCI/GM)

SECONDARY COOLANT (MICROCI/GM)

SHUTDOWN CONTINUOUS REACTOR AUXILIARY TURBINE BLOWDOWN VENT OFF GAS AIR EJECTOR EXHAUST TOTAL PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT USAR Section 9 Revision 23 TABLE 9.3-1 GASEOUS SOURCE TERMS FROM THE PRAIRIE ISLND PLANT (PER UNIT) Page 2 of 2 PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT USAR Section 9 Revision 23 TABLE 9.3-2 PRAIRIE ISLAND - HIGH LEVEL LOOP PROCESS CONDITIONS AND MAXIMUM ISOTOPIC CONCENTRATIONS

PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT USAR Section 9 Revision 23 TABLE 9.3-3 PRAIRIE ISLAND - LOW LEVEL LOOP PROCESS CONDITIONS AND MAXIMUM ISOTOPIC CONCENTRATIONS

PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT USAR Section 9 Revision 23

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01516979 CAD FILE: U09101.DGN FIGURE 9.1-1 REV. 34 LEGEND C2 C1 - SAFETY- RELATED; ISI CLASS 1 C2 - SAFETY-RELATED; ISI CLASS 2 C3 - SAFETY-RELATED; ISI CLASS 3 NSR - NON-SAFETY-RELATED SR - SAFETY-RELATED FLUID BOUNDARY; NON-CODE CLASS CLASS BREAK QA TYPE IA,IB,IC,IIA,IIB & III DENOTES PIPING QA TYPES.

DENOTES CATEGORY I VENTILATION ZONE IB NSR III ATMOSPHERE 760' ELEV.

VENT TO CONTAINMENT ATMOSPHERE 760' ELEV.

VENT TO CONTAINMENT CONTAINMENT OUTSIDE REACTOR UNIT 2 CONTAINMENT INSIDE REACTOR 475120603 41931 15227 110E013 (X-HIAW-1001-3)

LEAKOFF (RCS)

FLANGE REACTOR (3/8-2WL-1) 3/8-WD-2505R NOTES: 1. " PIPE BY-" TUBE INSERT REQ'D.

5.53073 53074 53075 HI LO 53065 1. LEGEND (110E15)(X-HIAW-1-105)

2. LINE LIST (206C928)(X-HIAW-1-786)

REFERENCE DRAWINGS FOR CONT.SEE NF-39248 TO CONTAINMENT SUMP "A" FL.EL. 697'-0" DRAIN OPEN SIGHT 10 PATH TRANSFER UNIT

-" TUBING DRAIN (3/8-2WL-56)

CONTAINMENT INSIDE REACTOR CONTAINMENT OUTSIDE REACTOR CONTAINMENT OUTSIDE REACTOR CONTAINMENT INSIDE REACTOR VACUUM BREAKER 470120603 41071 15196 53021 53020 53022 24068 21176 53021 (1/4-WL-118) 1-9163 2-DA42R 53024 53025 HI LO 31254 F.C.53026 2-WD-151R-8 (2-WL-8)(3-WL-7)3-X42D 1-9341A 3-X42D 1-9341B REFUELING CANAL DRAIN CONTIN.SEE NF-39248 TO CONT. SUMP "A" FOR 11281 (2-WL-7)2-WD-151-R (3-WL-7)ITEM: WDATRD DRAIN TANK #11 REACTOR COOLANT VENT&FLUSH CONT. SEE NF-39248 TO CONTAINMENT SUMP "A" DRAIN OPEN SIGHT 1-9166A 3-X42D 3/4-WD-151R (3/4-WL-7)

PUMP PUMP (4-WL-319)(HIAW. 1-38) 110E003-SH1 RCP #3 SEAL LEAKOFF (III/3)1-9151 1-RV52ENS 3/4-WD-151R (2-WL-8)(1-WL-126) 3-C42 1-9162 53023 (HIAW-1-7)(RCS)RELIEF TANK PRESSURIZER 2-WD-151R-9 3/4-X42D (2-WL-9A)CONTAINMENT INSIDE REACTOR CONTAINMENT OUTSIDE REACTOR SUMP C-" TUBING DRAIN 10 PATH TRANSFER UNIT (3/8"-WL-329) 31436 31437 (2-VC-199)

DWG. NF-39249 FOR CONT. SEE TO REACTOR COOLANT DRAIN FILTERS DWG. NF-39250 FOR CONT. SEE 3-WD-151R-10 (3-WL-10B)

(1-WL-119) 31435 31434 FOR CONT. SEE X-HIAW-1001-4 TO LETDOWN HEAT EXCHANGER 2-T58 (2-2VC-199) 3-WD-151R-10 (3-2WL-10B) 31735 31736* *3"X2" 1-X42D" X" (1-WL-107)

ITEM: WDAPRA ITEM: WDAPRB (III/3)DRAIN TANK PUMPS REACTOR COOLANT (1-WL-108)

"-X42D 1-9166B 3-X42D"X" ("-WL-112)

-X42D 3" X1"& FLUSH DRAIN (1-WL-111) 1" (" -WL-110) 11282 31733 1-DA32R 2-9160A 31291 SH.2 VH (HIAW.1-125) 110E067 - SH.3 1-RA32RDB 2-PCV-1014 1-X32D-X32D 1-WD-152R-6 (1-2WL-6B) 1-C36 ITEM: WDAPRA 11394 1-X42D 1-X42D (1-2WL-50)

D (1-2WL-44) 2"X1" (3/4 -2WL-52) 3-WD-151R (2-2WL-9A) 1-X42D 2-T58 D ITEM: WDAPRB DRAIN TANK PUMPS REACTOR COOLANT (III/3)(-2WL-53) 3-X42D 2-9166B-X42D 11393 (III/3)ITEM: WDATRD DRAIN TANK #21 REACTOR COOLANT 15206 53064 53077 53076 (III/3)PUMP PUMP RELIEF TANK PRESSURIZER (RCS)-42D-42D-42D 31731 31732 CONTIN.SEE NF-39248 TO CONT.SUMP "A" FOR REFUELING CANAL DRAIN 4-2WL-48 (1-2WL-49) 3-X42D 2-9341B 3-X42D 2-9341A (3-2WL-7)2-WD-151R-8 (2-2WL-8)2-DA42R 2-9163 31845 1-X42D (2-2WL-7)2-WD-151R (1-2WL-42) 3-C42 2-9162 24065 1-X42D FLUSH & VENT (3-2WL-7)-DRAIN 2-X42D (-2WL-47)

(2-2WL-47) 21124 53066 (-2WL-46) 1-X42D 2-RC-2501R-11 (2-2WL-1)(2-2WL-1)2-WD-2501R 2-WD-151R (2-2WL-1)(1-2WL-1)2-WD-151R III BREAKER VACUUM NOTE 1 (HIAW.1-125) 110E067-SH.3 GA (HIAW.1-125) 110E067-SH.3 GA 31545--TA58RL 1-9159A 31546--TA58RL 1-9159B WL-27-8 WL-27-9 WL-27-6 WL-31-16 WL-31-17 WL-30-6 WL-27-7 WL-31-21 WL-31-22 1-X42D 1-WL-113 DRAIN & FLUSH WL-40-2 WL-30-5 2"X1" WL-40-1 (1-WL-114)

WL-31-19 1-X42D WL-31-18 1-X42D 1" (1-WL-115) 1" 1" WL-31-20 1-X42D 2-WD-151R-9 (2-WL-9C)(1-WL-6A)(1-WL-6B)& NF-39247 HIAW.1-124 110E067-SH.2 VH 1-WG-30 (HIAW.1-125) 110E067-SH.3 1-RA32RDB 1-PCV-1014 31290 (-WL-6B)WL-42-1 1-WD-152R-6 NOTE 1 53061 53063 53062 15205 RELIEF TANK PRESSURIZER (HIAW.1-7) 110E005 (RCS)HI WG-22-11-X42D WG-22-13 2WL-42-1 2WL-41-1 2WL-31-13 2WL-31-13 2WL-31-6 2WG-22-11-2WL-6A-WD-152R 1-X42D C.S.C.S.-2WL-6D 2WL-34-3 2WG-22-12 1-WD-151R-5 (1-2WL-5)1-X42D 2WL-34-4 2WL-31-9 2RC-8-34 HI-WD-152R (-WL-6A)WL-31-6 WL-44-1 1-WD-151R (1-WL-5)HI WL-57-25 VENT WL-29-26 4X3 4"X3" WL-39-1 SD-1-2 S.S.C.S.1-X42D 1" VENT 2"X1" WL-31-11 1-X42D LEAK TEST-"-58I NOTE 1 WG-22-12 2WL-27-9 2WL-27-8 2WL-30-5 2WL-31-19 2WL-31-16 2WL-27-6 3-X42D 2-9166A 3"X1" 1"X" (-2WL-51)

"X" 2WL-31-21 (CVCS)HEAT EXCHANGER EXCESS LETDOWN (HIAW 110E039 SH.1-WD-151R-2

(-2WL-2)TANK VOLUME CONTROL 2WL-31-53 1-X42D 2WL-29-27 SD-1-4 2WL-31-14 4X3 2WL-39-1 2WL-31-52 F.C.(1-2WL-47)

RELIEF PRESSURIZER (HIAW-1001-3)(RCS)TANK (HAIW.1001-4) 110E039 SH.1 RCP #3 SEAL LEAKOFF (HIAW 1001-3) 110E013 HI S H IEL D B U I L D ING (1-2WL-45) 2-C58 2WL-31-22 2WL-40-2 SUMP C WESTINGHOUSE DWG.NO. 110E067 SH.1 REV.11 THIS DIAGRAM REPLACES VENT 3"X2" WL-31-7-X42D 1"-" 2-WD-151R (2-WL-1)(1-WL-109) 1-WD-151R ("-WL-117)

("-WL-117)

(2-8031)NOTE S 2WL-40-3 2WL-31-41 3"X2" WL-40-3 N 2 N 2 3-WD-151R-7 (3-WL-7)WL-57-26 WL-31-14 1-X42D" (1-8031)(2-WL-118) 2-X42D WL-29-27 2-LC A/B 1003 C/D 1003 2-LC E/F 1003 2-LC 2-LI 1003 42520 2-LT 1003 2-PT 1004 42520 2-PIA 1004 2-TM 1058 1058 2-TIA 1058 2-TM 1058 2-TE 42520 2-TIA 418 2-TE 418 2-PI 1018A 2-PI 1018B 11 12 1004 PQ 1004 PC 42020 1004 1-PIA 1004 1-PT 1003 1-LT 1-LC A/B 1003 1-LC C/D 1003 1-LC E/F 1003 1-LI 42020 1003 42020 1-TIA 1-TE 1058 1058 1-TM 1058 1-TC 1058 11 12 1-PI 1018A 1-PI 1018B 11 5 4 21 22 21 2WL-31-10-2WL-6C 2"X1" 2-8027 S.S.C.S.22 21 4" 5 22 2WL-31-17 2WL-30-6 21 4" (3-2WL-7)3-WD-151R-7 31734 WL-31-39 WL-34-3 OF PIPING NEAR THE RCDT.

2. LOCATE CHECK VALVE IN A HORIZ. RUN WL-95-1 WL-34-4 WL-65-1 WL-31-13 TANK AS POSSIBLE
3. LOCATE CONN. AS CLOSE TO DRAIN OTHER WISE NOTED
7. ALL PIPING QA TYPE III UNLESS HOUSE CORP.
8. "W" DENOTES FURNISHED BY WESTING-CONNECTION TYGON HOSE LOOP B 3/8-WD-2505R (3/8-WL-1)

(3-WL-1)3-WL-1 NORMALLY CAPPED.

DRAIN DOWN CONNECT FOR RC-8-34 CONNECT FOR DRAINDOWN NORMALLY CAPPED C1 NSR C1 NSR 2WL-35-23 C1 NSR & NF-39309-2

3. PHYSICAL NF-39328-2, NF-39325-2 2WL-27-7 4. PS & E LINE NUMBERS.

NUMBERS IN PARENTHESIS DENOTE MANUAL C PROCEDURE CHECKLIST.

FOR VALVE POSITIONS SEE OPS

9. 10. FOR SYMBOLS SEE XH-1-105, NF-39214.

C1 NSR C1 NSR HI 1-TIA 418 1-TE 418 LEAKOFF(RCS)

FLANGE REACTOR 110E005(HIAW.1-7) 1-8032 1-WD-151R (HIAW.1-44) 110E033 SH 1 LOOP "A" DRAIN (S.I.S)

ACCUMULATOR (1-8823A)C1 NSR 2RC-1-1 2RC-19-2 3X2 (3-2WL-1)3-WD-151R (2-2WL-1)2-RC-2501R-11 2-8032 (RCS)CONNECTION TYGON HOSE 2RC-8-1 2RC-1-2 2RC-19-1 2RC-1-3 2RC-1-4 III IA III IA 2RC-18-1 2RC-18-2 III IA (2-2WL-8)2-WD-151RRC-18-2RC-18-1 III IA RC-19-1 RC-19-2 RC-1-2 RC-1-1 RC-1-4 RC-1-3 RC-8-1 WL-35-23 3-WD-151R (3-WL-1)(1-WL-1)1-WD-151R (NF-39248)

  1. 11 SUMP C (1-WL-1)1-WD-151R 1-X42D WL-31-9 VENT III IA IA III DESIGN CLASS
6. (III/3) DENOTES EQUIP QA TYPE/
  1. 21 SUMP C (NF-39248) 110E013 (XH-1001-3) D-11 LOOP A DRAINS (RCS) 110C013 (XH-1001-3) H-3 LOOP B DRAINS (RCS) (XH-1001-3) C-5 SPRAY LINE (RCS)(XH-1001-3) G-6 LOOP B HOT LEG (XH-1-7) E-6 HOT LEG FROM LOOP A (XH-1-7) F-11 110E005 DRAINS (RCS)(XH-1-7) D-6 SPRAY LINE FROM AUX (XH-1-7) H-3 DRAINS (RCS)

(1-88238)(-WL-6B)(--WL-3C)--WD-2505R-3

(--WL-3A)(3-WL-10D)

NSR C2 III FC FC VALVES USED IN UNIT NO.1

  • INDICATES UNIT NO.2 IB T*T IB III 3-DA42R 1-9170B 3-DA42R 1-9170A C2 NSR FC FC T T IB III C2 NSR C.S.S.S.(-WL-60)NSR C2 III IB FC FC III IB T T--WD-2505R-3

(--WL-3B)--WD-2505R-3 (1-WL-6E)(-WL-6C)3-DA32R 1-9160A 3-DA32R 1-9160B (--2WL-3B)

--WD-2505R-3 FC FC T T 4A NSR C2 III IB (1-2WL-6A) 1-DA32R 2-9160B FC FC T T--WD-2505R-3

(--WL-3A)--TA58RL 2-9159B--TA58RL 2-9159A (2-9340A)(1-9340A)NSR C2 III IB 2WL-95-1 C2 NSR III IB C2 NSR 21 2WL-65-1 TEST CONN.

-" LEAK 4 (1-2WL-64)

FC FC T T NSR C2 III IB 3-DA42R 2-9170A 3-DA42R 2-9170B* *"W" 1-X42D 2-T58-X42D 2-C58 VALVES USED IN UNIT NO.2

  • INDICATES UNIT NO. 1 NSR C2 III IB 3-WD-151R-10 2-WD-151R-9 (2-2WL-9C)

(1-WL-116)

D V V 2-T58 2-T58 2-C58 2-C58 2-T58 1-X42D FOR CONT. SEE X-HIAW-1-38 TO LETDOWN HEAT EXCHANGER 1-C36 (1-X32D)-X32D C2 NSR III IB DRAIN (SIS)

ACCUMULATOR (HIAW.1-44) 110E033 SH.1 LOOP "B" HEAT EXCHANGER EXCESS LETDOWN HIAW 1-38 110E005 SH.1 (CVCS)VCT (1-8146)NSR C2 III IB (3/4 -WL-2)

-WD-151R-2

-X42D C2 IB NSR III 2WL-57-26 (2-WL-9B)& NF-39247 HIAW.1-124 110E067 (3-2WL-10D)

(2-2WL-9B)

(--2WL-3C)

--WD-2505R-3 (1-2WL-6E)

C2 III IB NSR (2-8823A)(2-8823B)(X-HIAW-1001-6)

SHEET 1 110E034 DRAINS (SIS)

ACCUMULATOR 1-WD-151R (1-2WL-1)(1-2WL-1)LOOP B LOOP A VCT III IB C2 NSR 2-T58-X42D 2WL-40-1 2WL-29-26 2WL-57-25 2-9151 1-RV52ENS 2WL-44-1 1-2WL-57 (2-2WL-46) 1-WD-151R 2-X42D DWN: DB 9-17-10 CHK'D: JEK 9-20-10 AS BUILT-79 MOD#: EC-15902 REV'D MISC LINE NOS. ADDED SAFETY FLAGS & SAFETY PER DRR PI-10-145 APP'D: CMR 9-21-10 UNIT 1 (3-WL-10A)

  • (-W L-6 D)(3-2WL-10A) 3-WD-151R-10

(--2WL-3A)

FL.EL. 697'-6"-X42D REF NF-38398-2 (U-1) NF-38398-8 (U-2).

11. C2 BOUNDARIES END AT CNTMT PENT.

TYPE DESIGNATIONS. 04NS15 NOS, NOTE 11. DELETED QA CLASS DESIGNATIONS, LINE WL-41-1 DWN: DB 11-17-11 CHK'D: AP 12-1-11 AS BUILT-80 MOD#: EC-18102 CORRECTED VENDOR TAG NO ON CV-31731 & CV-31732.

PER DRR PI-11-213 APP'D: CMR 12-5-11

E-9 XH-1001-4 E-5 XH-1001-4 (XH-1001-4)

FOR RCDT MAKEUP WATER DWN: KJF 1-15-14 CHK'D: JKR 1-21-14 AS BUILT-81 MOD#: EC-21789 REMOVED SECONDARY SEAL REFERENCE. CAPPED 2-2WL-1 LINE. ADDED CONTINUATION ZONES.

PER DRR PI-14-002 APP'D: CMR 1-21-14 E-9 XH-1-38 E-5 XH-1-38 (XH-1-38)FOR RCDT MAKE-UP WATER REVISIONS A B C D E F H$$$$$$$$$DESIGNFIL$$$$$$$$$

$$USERNAME$$

$$$$$$SYTIME$$$$$$

$$$$$$SYDATE$$$$$$

REV DWN DATE CHECKED PROJECT NO.

APP'D & CERT.

FJH NTS FILMED RED WING, MINNESOTA 1 2 3 4 SIGNIFICANT NO.

GROUP 8630 1&2 5 6 9010 M430 8400 CL SCALE PRAIRIE ISLAND NUCLEAR GENERATING PLANT

NORTHERN STATES POWER COMPANY 83 by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's.

This map / document is a tool to assist employees in the performance of their jobs. Your personal safety is provided for NSP GENERATION CAD XH-1-123.DGN WASTE DISPOSAL SYSTEM FLOW DIAGRAM

A B C D E F H G 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 12 X-H I A W-1-123 X-HIAW-1-123 EC-21790 REV. 1 09-12-14 WL-43-1 WL-34-19 NOTE 2 CONSTRUCTION ISSUED FOR REMOVED SECONDARY SEAL REFERENCE. CAPPED 2-WL-1 LINE. ADDED CONTINUATION ZONES.

PE#

MOD#: EC-21790 82 REVIEWED: RW 01-31-14 AS BUILT-MOD#: EC-21790 DWN: MEA 4-17-15 CHK'D: RSA 6-1-15 DWN: JMB 1-23-14 CHK'D: FJH 01-31-14 RECORD TRACING.

TRANSFERRED TO CERTIFIED REV. 82 , DRR PI-15-050 REV. 82 PER INCORPORATED A/E's PE CERT: APP'D: KJW 6-1-15 APP'D: TM 03-07-14 CONSTRUCTION ISSUED FOR

PE#

MOD#: EC-21790 REVIEWED: RW 9-16-14 DWN: FJH 09-12-14 CHK'D: JMB 9-16-14 PE CERT: APP'D: TM 9-17-14 REMOVED, REPLACED &

CHANGED POSITIONS OF WL-34-19 & WL-43-1.

"83" 2WL-43-1 2WL-36-8 (-2WL-7)-WD-151R-C58 CONSTRUCTION ISSUED FOR DEL. NOTE 2 FROM 2WL-43 MOVE 2WL-36-8 DWNSTREAM OF 2WL-43-1 & CHANGE TO BALL VALVE.

PE#

MOD#: EC-25250 83 REVIEWED: RSA 5-12-15 AS BUILT-MOD#: EC-25250 DWN: MEA 11-24-15 CHK'D: JLS 11-24-15 DWN: JEK 5-4-15 CHK'D:

RECORD TRACING.

TRANSFERRED TO CERTIFIED REV. 83 , DRR PI-15-178 REV. 83 PER INCORPORATED A/E's PE CERT: APP'D: KJW 11-24-15 APP'D: TL 6-24-15 01516979 CAD FILE: U09102.DGN FIGURE 9.1-2 REV. 34 NSR NSR NSR NSR SV-33632 SV-33633 3-W L-544 DENOTES CATEGORY I LEGEND VENTILATION ZONE DESIGN CLASS.

I/1 DENOTES EQUIPMENT QA TYPE/

MANUAL C PROCEDURE CHECKLIST.

FOR VALVE POSITIONS SEE OPS 1.C2 C2 - SAFETY-RELATED; ISI CLASS 2 NSR - NON-SAFETY-RELATED CLASS BREAK QA TYPE IB NSR III WL-66-9 CHEMICAL DECONTAMINATION SYSTEM LAB DRAINS NON DETERGENT AND (III/3) - 121 CHEM DRAIN PUMP WDAP CD

" DRAIN-WL-333 D R N S. MON I T O R TANK S 2" OV E R F L O W F R. A E R A TE D HO T S HO W E R TANK S 2" F R O M LAUND R Y &X-HIAW-1-69 SEE ORD & DWG (III/3)

WASTE HOLD-UP TK W L-29-29 W L-35-8 WL-35-9 PUMP 121 FEED EVAP WASTE 1-WL-28 1016 PI W 18040 LI W W W 53027 23064 WL-36-5-W L-151 F 1" P FT 1007FLOOR DRAIN TO AERATED WASTE VIA

  1. 121 (IN FILTER ROOM) DRAIN WASTE DISPOSAL FILTER EL. 735'-0"-WL-150 WL-36-6 WL-36-11 WL-66-24 4" 2" 4" 4"-WL-340 SEAL "b" LOOP 4-wl-365 D" FL. EL. 693'-0" (2)1007 FI III/3 2WL-52-1 2WL-52-2-WL-341 WL-49-3 4"-WL-342 2-WL-27 W L-29-19 31521 CV 16769 LA LC 53019 C/D 1001 PIECE SPOOL 2X42D11289 4" 4" 4" X RED (TYP)

-CP-72 2-CP-73 121B 122B-CP-72 17660 LA 17683 LA SV SS SS 2" 11927 DI" CP-16-12 CP-27-8 CP-27-9 CP-16-13 CP-13-10 CP-20-24 17583 LA 17577 DPS S STARTS PUMP 16954 LA 11926 PI 4" 2" SUMP "C" REACTOR CAVITY DRAIN & PRESSURE TEST 16792 LA 1" 1" 1-W L-88 WL-49-1 0504 47016 A 0304 47016 A 1" DRAIN WL-35-20 WL-35-5 HI LVL HI LVL 725 1LI 726 1LI 725 1LT 726 1LT 16797 LA 4-W L-7 4" 4" CAPPED & ABANDONED SPOOL REMOVED 4" 4" 4" 4-WL-568 4-WL-373 4-WL-367 4" 4" 4" 4" 4-W L-374 32228 MV WMOV-1 01 70505 ES 4-WL-89 WL-35-16 WL-29-18 WL-35-18 1-WL-128 1-WL-130 2-W L-13 2 X42 D 4" 2-C58 (III/3)#11 (III/3)#12 16791 LA D D WL-29-17 1-W L-330 WL-35-15 WL-30-7 2-WL-13 2-C58 2-WL-11 PUMP STARTS WL-35-19 1-WL-131 WL-35-17 1-WL-129 1-WL-89 16794 LA 16878 LA 16795 LA CONT.PUMP CONT.PUMP BACK-UP CONT.PUMP SUMP PUMP ANNULUS (III/3)#11#12 TO TU48177 48176 TU 0607 47019 A 24180 L 18356 LI 18357 LI X-HIAW-1-123 FROM RC. DRAIN TK

  1. 11#12 LAYDOWN HD REACTOR (1)(1)(2)4" 4" 4" 1" 4" 4" 4" 1-123 X-HIAW-TK PUMPS TO RC DR S D-3-1 4-W L-319 2-W L-368 4-W L-371 4-W L-371 4" 4" 4" 2" 2" 2" 4" 2" 4" D D D D 2-W L-372 WL-38-29 WL-36-53-WL-331 PIT DECONTAMINATION W L-38-4-W L-332 2-W L-14 W L-38-30 W L-36-55-W L-333 2" 2" 2" 2" NF-39605 SEE DWG.C O N N 1 C O N N 2 EVAPORATOR WASTE CONN 12 CONN 9 (III/3)4" 4" COND S TE A M (8)(1)(1)4" WL-38-5 W L-36-56-W L-334 W L-37-5 WL-37-32 WL-37-4 697'-6" FLOOR EL.16880 LA 0501 47019 A HI LEVEL 16881 LA 0502 47019 A HI LEVEL 16879 LA CONT.PUMP BACK-UP D R A I N & P R E SS U R E TE S T 2" 2" 4" 4" 4" WL-37-33 SEE N F-39242 MAK E-U P TANK 11 & 12 R E A C T O R W A TE R 4" OV E R F L O W F R O M 4" 4-WL-365 31948 CV 31949 CV 24181 L 2-WL-371 3-WL-80 2-WL-80 1-WL-80-WL-80 WL-36-59 WL-37-14 16814 LA 16850 LA (III/3)16999 LA 2" 2" 1" 2-WL-180 2" WL-36-60 DUPLEX SUMP PUMP
  1. 121 AUX. BLDG.

WL-38-15 W L-16-72 W L-37-65-WL-135 (NEW)-WL-132 1018F PI 11314 PI-WL-325 PUMP #121 SUMP TANK AERATED WL-30-9 WL-29-22 WL-29-21 WL-29-23 WL-66-11 WL-38-6 WL-38-10 WL-37-10 WL-37-9-WL-326 2" X 1" ORD. & DWG. HIAW-1-156 WDAPST2 ITEM: 2-WL-69-WL-358 WL-36-8 WL-46-1 WL-36-3 WL-36-4 WL-46-2 WL-48-1 11571 PI 11572 PI-WL-136 3-WL-78 4" 4" 4" 4" 4" 4" 4" 4" 4" 4" 2" 2" 2" 4-WL-369 4-WL-368 4-WL-367 4-W L-367 4-W L-367 4-W L-368 2-WL-367 2-WL-369 31950 CV 0607 47019 A 2-WL-370 2" 2" 4" 4" 4" 2"#14 4" 4" 4" 3" 1" 1-WL-89 3-WL-89 4-WL-89#11 RCDT X-HIAW-1-123 1-WL-88 3-WL-89 WL-35-22 WL-85-3 3" 1" 4" 4" 4" 4" 4" 4-WL-365 4" 4" 4" 4" 4" 4" 4" (1)(1)(1)(1)(3)(2)(22)4" 2" 2" 1" 4" 4" 4" 4" 4" 4" 4" A 1001 FC B 1001 FC LIC 1001A/B LM 1001 58118 53018 58350 DSPL GRPH TANK NF-39236 TO SPENT RESIN X-HIAW-1-124 TANKS GAS DECAY 1" LINE FROM 18294 18295 WL-16-89 DRAIN @ EL. 715'-0" VOLUME CONTROL TANK X-HIAW-1001-5 CHARGING PUMPS 2" FROM 2VC-38-2 X-HIAW-1001-5

- TUBING FROM VA.

WL-37-6 2-W L-49 X-HIAW-1-124 COND. DR PUMP SEE FROM GAS DECAY TANK WL-37-67 WL-48-3 2WL-37-6 3" 4" 4" 3" 2-WG-69 3-W L-21 3" 3" 2 W L-48-3 3-WL-75 53009 2VC-38-3 X-HIAW-1001-5

- TUBING FROM VA.

4" 4" 2" 2" 2" 2" 1-WL-123 1" WL-16-88 WL-38-11 WL-38-12 WL-38-13 WL-38-14 2" 2" 2" 2-WL-366 4-WL-365 CUBICAL DRAINS HOLD-UP TANK 2" C.V.C.S.

REL VA L." X 1" REL VA L." X 1" 1" 3" 3" 1" THIS DWG.TO TU 48677 REL VA L.2" X 3" 1-2 W L-14 3-2WL-15 3-2WL-15 1-2WL-84 REL VA L.2" X 3" X-H I A W-1-123#21 RC D T 1-2WL-15 1-2WL-15 4-2WL-15 4" PUMP #21 AT RC SEE NF-39246 PUMP #22 AT RC (5)(6)(1)(1)(1)(2)4-2WL-72 4-2WL-73 4-2WL-71 4-2WL-72 2-2WL-72 2-2WL-73 4" 4" 4" 4" 4" 2" 2" 2" 31947 CV 4" 4" (1)(1)(1)(1)ATM DRAIN VENT TO REACTOR HEAD 4" 4" SAMPLE PNL FR STM GEN (5) " CONN.

UNITS FAN COIL EL. 713'-2" (1)(1)(1)(1)1" 4" G E N S A M PLE P N L 1" F R O M S T M 4" 4" 4" 4" 4" 3" D D D D 2 W L-38-4 2 W L-38-5 2 W L-37-4 PUMP SEE X-HIAW-1-123 TO RC DRAIN TANK PUMP SEE X-HIAW-1-123 FROM RC DRAIN TANK SD-3-2 PUMP (III/3)

ANNULUS SUMP 16891 LA 16892 LA 16809 LA CONT.PUMP CONT.PUMP BACK-UP 16893 LA 0507 47519 A HI LEVEL 16810 LA 16894 LA NF-39245 EXCH SHELL OUTLET 3" EXCESS LETDOWN HT 1-2WL-15 2" 1" CONT.PUMP CONT.PUMP BACK-UP 0506 47519 A LEVEL HI 697'-6" FLOOR EL.-W L-85 2 W L-36-54 2 W L-36-53 2 W L-38-29 2 W L-36-55 2 W L-37-33 2WL-38-30 2WL-36-56 2WL-37-5 2WL-37-32#21#22 DRAIN OPEN SIGHT (1)(1)(1)(1)(1)4" 4" 4" 4" 1" PIT DECONTAMINATION LAYDOWN HD REACTOR#21#22 4" 4" 4" 4" 2" 2" 2" 2" 2-2 W L-75 2-2WL-76 4-2WL-76 31944 CV CONT 2-2WL-77 4" 4" 4" 4" 4" 4-2WL-48 4-2WL-75 31945 CV CONT 2" 4-2 W L-77 4" 4" (1)4" 4" 4" 4" 4" 4-W L-365 (1)(3)4" SEE N F-39338-1 DETE C T ION 2" F R O M LEAK AT LOC. H-3 THIS DWG.SUMP "B" DISPOSAL 2" FROM RESIN 4" 4" (1)(1)(1)(3)(1)(7)WL-45-2 WL-47-1 4" PIT DEMIN. X-HIAW-1-29 2" FROM SPENT FUEL DEMIN. #11 & 21 X-HIAW-1-40 2" FROM EVAPOR. COND E X C H. #2 X-H I A W-1001-5 2" F R O M LET DO W N H T.-" T U B I NG C A PP E D HT. EXCH. X-HIAW-1001-5 2" FROM SEAL WATER DEMIN X-HIAW-1001-5 2" FROM CATION BED X-HIAW-1001-5 VALVE 2VC-38-4

-" TUBING FROM DEMIN. X-HIAW-1001-5 2" FROM MIXED BED D D 16852 LA 0304 47516 A LEVEL HI PUMP STARTS 0504 47516 A LEVEL HI 16808 LA 2 W L-35-20 2 W L-35-5 2 W L-49-1 0504 47516 A LEVEL HI 16799 LA PUMP STARTS 2WL-30-8 2-C-58 2 W L-29-18 2-2 W L-13 2WL-35-16 2-2WL-12 1-2 W L-55 4-2WL-75 4-2WL-71 1-2WL-14 4" 4" 4" 4-2WL-78 4-2WL-72#22#21 1-2WL-12 1" 1" 16798 LA PUMP STARTSIII (III/3)SUMP "B" CONTAINMENT D SUMP "A" (III/3)

CONTAINMENT 1-2WL-11 2-2 W L-11 2 W L-29-17 1-2 W L-54 2 W L-35-15 V 1-2 W L-79 2 W L-35-19 NF-39238 SINK DRAINS FROM SAMPLE

-W L-321 2WL-30-7 P R E SS. TE S T D R A I N &2-C-58 32244 MV-01 57410 ES 2" 3-2WL-83 LICA A/B 1002 LIT 1002 LICA C/D 1002 53033 24073 2WL-38-2 2WL-87-1 2WL-37-2 FORCONT. SEE NF-39600 SPECIAL VENT 2" VENT TA AUX. BLDG.

2-2WL-504 NF-39600 EXHAUST DUCT FILTER ROOM D2 VENT TO X42D WL-36-62 SAMPLE-WL-323 2"" 1-WL-323 2-W-68 2-WL-377 1-WL-82 2" 2X42D WL-29-20-WL-322 1018D PI 11284 W L-36-12 W L-29-20-W L-323 D R A I N W L-35-12 W L-35-11 1-W L-83 WL-36-61 WL-36-13 C A P 2"" VENT-WL-324 N.C.WL-35-7 2" 53032 CHEM. ADDITIVE TANK (III/3)WDATCD1 TANK DRAIN CHEMICAL A 1002 PC 18412 WL-33-7 WL-32-4 WL-31-28 1-WL-83 1X42D 1-T58 D 1" 1-C58 ORD. & DWG. HIAW-1-156 WDAPST2 ITEM: PUMP SUMP TANK BACK-UP WL-29-24 WL-66-13 WL-30-10 2-C58 2" X 1"-X42D (III/3)" 2-X42D CONTROL 2" 2" L C U-WL-360 L U C 2-X42D 2-X42D 2-X42D-X42D PUMP #121 SUMP TANK NON-AERATED ORD. & DWG. HIAW-3755 CONTROL (III/3)2" X 1" WL-37-7 WL-37-8 2-WL-84 WL-38-9 WL-38-8 WL-38-7 2-WL-67-WL-376 2" 2"" 3" 2-WL-362 2" 2" 4" 1" 2-WL-363 LO 53067 HI LIC A/B 1019 31618 CV MD-11-1 2" WL-16-90 WL-16-91 LC LC C/D 1019 E/F 1019 WL-57-31 WL-51-1"" 0603 47516 A 0602 47516 A INLET HDR. SEE XH-1-124 TO WASTE GAS COMPR.

53OO9 SEE NF-39237 STORAGE TK UNIT #1 REFUELING WTR 3"OVERFLOW FROM #11 WL-57-32 LM 1O19 58350 DSPL GRPH SV-37355 CP-2O-23 16822 LA (III/3)M CONTAINMENT SUMP "B" SUMP "A" CONTAINMENT 1697O LAIII A LINE TO HEADER CAP OFF EXISTING SUMP "A" HD1 TO UNIT #2 WL-30-8 A 47O16 O5O4 SHIELD WALL OUTSIDE CONTAINMENT VESSEL 17143 PT 2-RH-28 A 47O16 O3O4@ LOC. H-1 CONT. ON NF-39253 NF-39253 LOC @ H-6 CONT'D FROM DWG.

LEVEL HIGH CONT.SV-37354 BLDG. SUMP "B" RESIN DISPOSAL CP-16-14 CP-16-15-CP-74 11928 PI CP-16-16 FLR. EL 695'-O"#121 RESIN DISPOSAL BLDG.

SUMP "B" PUMPS DISCHARGE STRAINER UNIT #1 RESIDUAL PIT SUMPS 2-CP-74 SEE THIS DWG. @ LOC D-9 VIA FLOOR DRAIN SYSTEM TO AERATED SUMP TK #121 2-WL-55O-2" VENT TO AUX. BLDG.

SPECIAL VENT FOR CONT. SEE NF-396OO 4-CP-75 TRUCK AREA FLOOR DRAINS

-CP-73 2" 2" CP-13-9 WL-36-57 WL-37-2 WL-87-1 WL-38-2 WL-86-2 WL-86-3 WL-87-2 2" 1WL-77 2" PUMP STARTS WL-46-3 WL-36-7 WL-36-9 A 47O16 O6O2 2-WL-77 2-WL-77 2" NC WL-38-3 D (III/1)PUMP SUMP#11 1677O LA D 1" 1WL-545 W L-36-58WL-3O1 2WL-545 16771 LA 17144 PT A 47O16 O6O3 NC PUMP STARTS HI LVL HI LVL-X42D RHR PIT BOUNDARY

  1. 12 PUMP (III/1)

SUMP 4O 26III 4-W L-319 3" 31438 31439 3-DA42R 1-9182B D D OUTLET (NF-39245)

HT. EXCH. SHELL 3" EXCESS LET DOWN 2-WL-14 1-X42D 1-W L-134 WMOV2 32229 MV M O4 7O5O5 ES V 1-X42D 1-WL-133 4" 4" VIA FLOOR DR.

TO AERATED WASTE F 3-WL-14-WL-136 P#11 SUMP "A" FILTER 4-WL-365" DR.SV" 1" 1" 1"" 1-WL-37 X-HIAW-1-664 PIPING SEE SAMPLE & DRAIN FOR ADDITIONAL WL-49-10 WL-34-18 1-W L-159 PIPING REMOVED CAPPED &NF-39236 FILTER FROM ADT NF-39249 TANK SEE EVAP. COND.

TO WASTE (X-HIAW-1-39)

VC-38-2 FROM VALVE

" TUBING (X-HIAW-1-39)

VC-38-3 FROM VALVE

" TUBING WL-34-16 W L-31-55 1" PIPING REMOVED CAPPED &WL-35-10 WL-33-8 WL-31-26 WL-31-54 1-X42D 1" D WL-31-25 1-C58 CONN #10 D WL-31-27WL-156 1-X42D 1-WL-36 1" WL-31-29 WL-31-30 V V D 1" 1" 1-WL-157 1-WL-158 711'-6" FL. EL.WL-31-31 WL-31-32 D 3/4-WL-334 3/4x42D 1-X42D DRAIN 1-W L-29 0305 47520 A 2WL-52-9 THRU 2WL-52-5 DRAIN CANAL ING REFUEL-200 750 ABANDONED CAPPED &2 W L-85-3 S A M PLE 2 W L-35-22 ABANDONED CAPPED &III ABANDONED CAPPED &4-W L-3 SPOOL REMOVED 16812 LA FILTER, NF-39249 AERATED DRAIN

""" NF-88740 (COOR'D G-9)

SGB HOLD-UP TNK FLTR #11 NF-39250 (COOR'D C-6)

SGB HOLD-UP TNK FLTR #21 (COO R'D F-4)V E N T (U 1) N F-39245-1 3" F R. C.C. S U R G E T K.(COO R'D F-4)V E N T (U 2) N F-39246-1 3" F R. C.C. S U R G E T K.N F-39600 EXHAU S T DU C T T O F ILTE R R M REL I E F VA L V E S H I A W-1-40 TANK S #11, 121 AND21 4" F R O M HO L D-U P WL-52-1 WL-52-2 24070 1001 LHX42D WL-29-34 WL-34-5X42D" D 4-W L-25 SEE NF-39253 1" ACID DRAIN 3-2WL-41 2" FLOW OVER 1017 PI NF-39246-1 (COOR'D H-4)

SURGE TANK #21 2" DRAIN FROM CC AS BUILT-78 PER DRR PI-09-105 CHK'D: JMC 4-29-10 DWN: LAB 3-12-10 REF. NO.'s PER EC-14472.

& ADDED CONTINUATION DWG CORRECTED PIPING LAYOUT AS BUILT-APP'D: CMR 4-29-10 MOD#: EC-11687 CHK'D: JMC 4-29-10 DWN: LAB 3-12-10

ID NO. FOR LA-16812.

CORRECTED LEVEL ALARM DWN: JEK 9-17-10 CHK'D: DB 9-20-10 AS BUILT-79 MOD#: EC-15902 ADDED LN NOS. 3-WL-404 &

3-2WL-404. SAFETY CLASS FLAGS AT PENET 26 UNIT 1

& UNIT 2, SAFETY CLASS PER DRR PI-10-145 APP'D: CMR 9-21-10 C2 3-DA42R 2-9182A VLVS CNTMT ISOL 31619 31620 T T FC FC 3-2WL-13 3-DA42R 2-9182B C2 3-2 W L-404 3-WL-85 HI LVL HI LVL C2 CNTMT ISOL VLVS C2 3-DA42R 1-9182A 3-WL-13 3-WL-404 FC T T FC LEGEND & NOTES & IB TO 2-WL-12 REVISED LINE NUMBERS 1-WL-18 TO 1-WL-12, 3-WL-83 TO 3-WL-85 &

IB III-WL-3OO (TYP 4 PLCS)

2. FOR SYMBOLS SEE XH-1-105, NF-39214.

3.4. ORIGINAL

LEGEND.

04NS15 LOCATION OF 3-WL-544.

REF DWGS NF-38398-2 (UNIT 1) &

NF-38398-8 (UNIT 2).

5. C2 BOUNDARIES END AT CNTMT PENET.

REVISIONS A B C D E F H$$$$$$$$$DESIGNFIL$$$$$$$$$

$$USERNAME$$

$$$$$$SYTIME$$$$$$

$$$$$$SYDATE$$$$$$

REV DWN DATE CHECKED PROJECT NO.

APP'D & CERT.

NONE FILMED RED WING, MINNESOTA 1 2 3 4 SIGNIFICANT NO.

GROUP 8630 1/2 5 6 4410 8424 CL 1 SCALE PRAIRIE ISLAND NUCLEAR GENERATING PLANT 21-6197

NORTHERN STATES POWER COMPANY 83 39248 NF-39248 N F-by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's.

This map / document is a tool to assist employees in the performance of their jobs. Your personal safety is provided for NSP GENERATION CAD NF-39248.DGN FLOW DIAGRAM UNIT 1 & 2 AUX. & REACTOR BUILDING FLOOR & EQUIPMENT DRAIN SYSTEMS A B C D E F H G 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 12 DWN: KJF 7-1-11 CHK'D: SES 7-12-11 AS BUILT-80 MOD#: EC-16045 CHANGED LEVEL ALARMS FROM 16881 TO 16880 AND FROM 16878 TO 16879 AT COORDINATES E2 AND E3.

PER DRR PI-11-120 APP'D: CMR 7-13-11 DWN: DB 11-3-11 CHK'D: TJT 11-7-11 AS BUILT-81 MOD#: EC-18805 REV'D LEVEL INDICATOR 1LI-1125 TO READ 1LI-725 AT F-1 LOC.

PER DRR PI-11-205 APP'D: CMR 11-14-11 NF-39238 LN SEE 1" SMPL DRN WL-37-3 NF-39238 LN SEE 1" SMPL DRN DWN: JEK 12-5-12 CHK'D: AP 12-7-12 AS BUILT-82 MOD#: EC-20808 RELOCATED DRNS WL-36-57, WL-36-58, 2WL-36-57 &

2WL-36-58 ON RHR SUMP DISCHARGE LINES.

PER DRR PI-12-233 APP'D: CMR 12-10-12 "83" W L-36-54 DWN: DB 4-21-15 CHK'D: RLM 4-21-15 AS BUILT-83 MOD#: EC-25565 REV'D VLV NO WL-38-54 TO READ WL-36-54 @

LOCATION E-2.

PER DRR PI-15-053 APP'D: KJW 4-21-15 603000001331 CAD FILE: FIGURE 9.1-3 REV. 35 U09103.DGN

MOD#:

DWN: DB CHK'D: PAS 8-31-95 AS BUILT-FILMED: 9-6-95 REV'D. DWG. CONT. TO READ NF-39216-2

PER DRR PI-95-123 AR 530319156A 3-X42D2 VENT 12 4 0 7 AW'WVENT 1-X42DWLA-18-10 LA-18-9 LA-14-19 LA-14-17 LA-14-18 LA-18-12 LA-14-16 LA-18-11 LA-18-8 LA-14-15 LA-18-7 LA-14-14 LA-17-3CV 39085 NF-88740 (D-11)NF-88740 (D-10)CV 31842 LA-14-38 LA-17-11 LA-18-27 LA-14-39 LA-14-40 LA-18-28 LA-14-41 58110 34 58110 44 LEVEL LOW LA-14-42 CV 31551 BD-13-40 CV 31614 BD-13-36 BD-12-12 LA-18-29 LA-18-30 58110 41 WL-9-26-WL-336-WL-154 22-WL-18 CONTROL 11X-'-WL-335 WL-66-5 SV-33484 CV 31650 WL-35-3 CV 31581 WL-34-15 WL-35-2 SV-33486 2PI 10186 CONTROL CON T R O L 21-C58W1-T58"W"-W L-317 WL-31-38 2X42D"W"-WL-313 1-WL-41 WL-29-5 2-X42D 2-C58 2-W L-45 CONT.SAMPLE WL-30-2 WL-29-25 2-X42D 2SV-33488 F R O M AD T MON I T O R TANK S N F-3 9 2 3 6 WL-36-28WL-30-3 WL-29-6 CONTROL FT 1064 WL-30-4 1-WL-42-W L-169 53053 WL-34-10 VENT 2-WL-35 RM-1 5-1 2-WL-19 CV 31647-WL-338 SV-33487-WL-338D BD-12-11 WL-9-27 BD-13-41-WL-155-WL-339-WL-339 CONT.BD-18-5 DPS 17892-WL-20 LOCAL SAMPLE2CON T R O L CONTROL CONTROL CV CV 31552 31542 2-WL-16 2-WL-141 CV 31579 CONTROL CONTROL CV 31541 2222'2-W L-139 LA-14-43 LA-17-13 LA-18-311 1 1 1'''''''''LA-14-44 WL-36-30 WL-36-66-X42D LA-18-32 LA-14-45 LEVEL HIGH58110 35 58110 45 LA-14-46 LA-18-33 LA-14-47 LA-18-34 LA-19-7 LA-17-14 BD-17-2 3-WL-21 3TANKS (LOC. B-4, THIS DWG.)

LAUNDRY & HOT SHOWER OVERFLOW FROM 1-C58 W

1WL-58-1 TANKS SEE NF-39236 FROM ADT COLLECTION FOR CONT. SEE NF-39248 TO WASTE HOLD-UP TANK PACL. SEE NF-39248 FROM WASTE EVAPORATOR FILTER SEE NF-39248 FROM WASTE DISPOSAL WL-33-4W1-C58 1-WL-36 WL-34-7 WL-31-2WL-66-8-W L-160 11-X42DW1-X42DWWL-31-3 VENT VENT 2'WHI LO 53037 LICA 1013 C/D 1-WL-37 2-WL-164 ON LO LEVEL PUMP STOPS

W-WL-162DW2-X42D 21-WL-37 VENT-WL-347 WL-34-6 WL-31-5W1-X42D 24071W53035WLO HI 1012 C/D TANKS (III/3)

CONDENSATE WASTE EVAP.

53034 2-X42DW'D 1-WL-161 WL-34-9 BD-13-43 2-WL-33 53036 WL-29-1 WL-35-13 WL-34-8 1013 A/B WL-66-7-WL-348 1-WL-39 WL-29-3 2-X42DW

1-WL-168 CONT.1-C58 W''-X42DW

-WL-167 PUMP #121 WDAPWC2 WASTE CONDENSATE (III/3) W

WL-31-33 WL-33-1 1-X42DW

1-T58W1-WL-39 WL-35-1 WL-35-14 CV 31651 SAMPLE WL-36-29-WL-318-X42DWWL-34-1 WL-32-2 WL-38-1W1-X42D WL-31-34 WL-33-2 2-X42DW

-WL-166 PUMP #122 WDAPWC1 WASTE CONDENSATE (III/3) W

SV-33485-WL-349W11288-WL-165-X42DW1-WL-40W11287 WL-36-27 WL-31-35 1 VENTW'WCV 31648 1-X42D 1-X42D DR.WWL-31-37 1-WL-41 1-WL-312 WL-34-14 WL-31-56 2-WL-312 DR.-X42D WL-31-36 D 1-X42D VENT 22-SB-15 CV 31841 SV-33610 2 CAP 2-WL-52-WL-52 CON T.SV-33489 TANK PUMPS THIS DWG.

PUMPS & S.G.B. MONITOR FROM S.G.B. HOLD-UP TANK S.S.C.S.CONTROL WL-63-2 WL-29-9 2-X42D 1-WL-170W'W1-X42DD WL-63-1 WL-16-74 29001 TO FLR.DRAIN 2NF-88740 (A-11)

FOR CONT. SEE DWG.

PIPE TO DISCHARGE CANAL 8 AUX. BLDG. STANDBY DWG. X-HIAW-1-45 FOR CONT. SEE DWG. NF-39248 FOR CONT. SEE CV 31649 WL-36-24 VENT-WL-304 WL-36-25 DRAIN WL-29-35-WL-305 2-X42D R E F UEL ING S T O RAG E TANK W A STE HO L D-U P TANK 3-W L-75 3-W L-10 C 3C V C S HO L D-U P TANK S X-HIAW-1-40 SEE DWG.FOR CONT.WL-37-1 32-WL-75 2-C58W

WL-30-1 V WL-34-11-WL-315 2-WL-41 D-W L-316 BD-14-18 BD-13-38 BD-13-39 WL-36-26 3-WL-320 3-WL-75 CONT.3332-WL-223-WL-75 2 3'CONT.2-W L-320 3-W L-10 C 31-X42DW2-WL-19 BD-13-37 BD-14-17 WL-31-42 WL-31-43 WL-26-1 WL-36-63 WL-31-44 2-WL-22 1-WL-125 1-WL-124 1-9153 3-C42W

31-X42DWWL-36-47 3-WL-10B-WL-122 1-WL-121 3-WL-123-WL-123 3-WL-10C WL-31-41 WL-27-3 WL-28-1 1-X42DWD 3-X42D 1-9154W'W3WL-27-2 1-9152 3-X42DWWL-27-1 WL-48-6 WL-6-3 1-8179 3-X42DWVENT 1-X42DWWL-31-45 WL-31-40W1-X42D 31-WL-120 VENT BD-14-9 A DPS 17893 58110 31 BD-13-44 BD-12-14 BD-13-46'WL-52-4 WL-52-3 22SINK SERVICE LAUNDRY FROM BARREL FILTER 53029 18296 18297 222-X42D-X42D WL-66-10-WL-196 1-C58W2-X42D WL-31-47 BD-19-3 WL-32-3 WL-36-32 1 DRAIN 1-WL-199 1 DRAIN 1-X42DW1' X - (TYP.)

-WL-197 2-WL-35-WL-153-WL-152 DPS 17891 A 58110 61 WL-16-73 2LA-14-12 2LA-18-3 2LA-14-11 2LA-18-4 2LA-18-5 2LA-18-6 2LA-14-13 2LA-19-1 2LA-17-2 LEVEL LOW A 58110 85 58110 A 75 LEVEL HIGH 2LA-14-10 2LA-14-9 2LA-18-2 2LA-14-8 2LA-14-7 2LA-17-1 2LA-18-1 11'''''2'LA-17-2 LA-19-1 LA-14-3 LA-18-6 LA-18-5 LA-18-4 2'''LA-14-9 LA-14-12 LA-14-10 LA-18-3 LA-14-11 LA-17-1 LA-14-7 LA-14-8 LA-18-1 LA-18-2 LA 16834 A A 58110 58110 2.5 15 HIGH LOW LEVEL LEVEL PUMP CONTROL TO NO.11 S.G.B. MONITOR LA-17-5 LA-14-21 LA-18-13 LA-14-22 LA-18-14 LA-14-23 LA-14-26 LA-14-24 2'1 1 1'''''1 1 1'''2LA-18-15 LA-14-25LA-17-6 LA-19-3 LA-14-27 LA-18-18 LA-18-16LA-18-17 16828 LA HIGH LEVEL WL-36-37 BD-13-45 1-T58 1-WL-198 1010-X42D 2221-X42DW-WL-344 WL-34-13 VENT 1 DRAIN VENT-WL-345-WL-346-X42D 2-WL-32 40-50-1-84 (UNIT #1) 41-50-2-84 (UNIT #2) 40-59-1-89 (UNIT #1) 41-59-1-89 (UNIT #1) 41-59-2-89 (UNIT #2)

NF-88740 (E-3)

  1. 11 & #21, SEE DWG.

TO SGB MONITOR TANKS MOD#: 98TD01 DWN: BMS 3-25-99 CHK'D: PAS 4/6/99 AS BUILT-REV'D DWG. TO SHOW STRAINER 158-071.

PER DRR PI-99-13 FILMED 4/99 AS MOD#: 97WL01 DWN: MPP 10/26/00 CHK'D: CMR 11-8-00 AS BUILT-ADDED HOSE STATION VALVE SI-17-4 AS SHOWN.

PER DRR PI-00-185 FILMED 11/00 AT SI-17-4 2-SI-98 CV MOD#:

DWN: VLS 03/21/05 CHK'D: CMR 03/28/05 AS BUILT-ADDED STD CONTROL VALVE SYMBOL FOR CV-31256

PER DRR PI-00-185 FILMED 05/05 AU 31256 REVISIONS A B C D E F H$$$$$$$$$DESIGNFIL$$$$$$$$$

$$USERNAME$$

$$$$$$SYTIME$$$$$$

$$$$$$SYDATE$$$$$$

REV DWN DATE CHECKED PROJECT NO.

APP'D & CERT.

SAB 8-28-95 NONE FILMED RED WING, MINNESOTA 1 2 3 4 SIGNIFICANT NO.

GROUP 8630 100 5 6 4500 4212 CL 1 SCALE PRAIRIE ISLAND NUCLEAR GENERATING PLANT

NORTHERN STATES POWER COMPANY 78 39249 NF-39249 N F-by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's.

This map / document is a tool to assist employees in the performance of their jobs. Your personal safety is provided for NSP GENERATION CAD NF-39249.DGN FLOW DIAGRAM LIQUID WASTE DISPOSAL - STEAM GEN.

BLOWDOWN SYSTEM - UNITS 1 AND 2 A B C D E F H G 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 12 MD-30-1 (COOR'D C-1)

NF-39242 DEMIN. FLUSH PUMPS& HOT SHOWER FROM LAUNDRY AS BUILT-76 PER DRR PI-09-105 CHK'D: JMC 4-29-10 DWN: LAB 3-12-10

REF. NO. PER EC-14472.

ADDED CONTINUATION DWG AS BUILT-APP'D: CMR 4-29-10 MOD#: EC-11687 CHK'D: JMC 4-29-10 DWN: LAB 3-12-10

CATEGORY. I VENT ZONE.

CORRECTED LOCATION OF WL-165-64 WL-165-63-WL-190 WL-36-37 WL-25-1"78" DWN: DB 11-13-12 CHK'D: AP 11-14-12 AS BUILT-77 MOD#: EC-20672 ADDED ROOT VALVES WL-165-63 & 64 @

LOCATION C-8.

PER DRR PI-12-215 APP'D: CMR 11-15-12 BD-12-9 NF-39216-2 DWN: DPB 8-18-16 CHK'D: RSA 8-23-16 AS BUILT-78 MOD#: EC-17185 REMOVE STRAINER, CAP BOTH ENDS WITH CAP AND BLANK FLANGE.

PER DRR PI-12-223 APP'D: DB 8-23-16 ON NF-39250 DRAINAGE CONT.

LAND-LOCKED ALT. DISCH. TO 603000001331 CAD FILE: FIGURE 9.1-4 REV. 35 U09104.DGN

X X X 2-S B-15 SV-33910 4-S B-15 SB-43-1 F 17667 DPS SB-43-2 4-SB-15 3-SB-15 SB-12-5 1" 3-SB-15 SV-33327 2-SB-51 2-SB-50 SB-26-4 SV-33333-S B-64 BY-PASS VALVE SV MANUAL 31522 CV SV-37524 31524 CV SB-13-2 SB-12-4-S B-17 SB-32-1 D D WL-36-14-WL-402 2-WL-391 BD-14-3 BD-13-9 BD-13-8 1-WL-175 2-W L-175 BD-16-1 BD-13-11 3-WL-46 4-WL-45 WL-89-3 WL-89-1 2-WL-43 WL-92-2 11609 PI SB-13-1-SB-17 1-WL-176 BD-13-10 2-W L-44 1-WL-48 1-WL-44 WL-89-2-WL-172 2-WL-390 B D-14-4 2" 2-S B-17 SB-13-3 27110 FE SB-17-2 SB-17-1" 58350 DSPL GRPH SV-37525 2-SB-55 12368 TI SB-26-6 2-SB-49 3-SB-49 SV-37506 A 53100 0205 TEMP HI TEMP HI-HI A 53100 0105 SB-20-4 V-S B-63 S B-16-2 2-SB-52 SB-12-3 SB-15-7-S B-56 D SV-37504 SB-20-3 SB-12-2 V 2-SB-58 2-SB-48 D 1" 1" SV-37503-S B-57 SB-15-6-SB-46 2-SB-53 SB-15-5 SB-20-2 V 16"-S B-62" FLOOR TO VENT 1" SB-19-1 SB-12-1 V SB-15-8-S B-47 SB-11-2-S B-60 SB-20-1 V D D D V V SB-11-1 S B-15-3-S B-45 SV-37087 39087 CV SV-37616 8-SB-37 6-SB-38 26011 PC 6-SB-39 6-SB-37 SB-10-4 SB-10-2 SB-10-3 SB-10-1 SB-16-3 LA-2-97 LA-19-4 LA-2-98 LA-4-133 LA-4-134 LA-15-6 LA-4-135 LA-4-136 SB-14-1 SB-18-1 SB-27-1 SB-26-3 SB-16-1 SB-26-2 LA-2-100 LA-4-137 WL-92-1 BD-14-8 BD-18-2 BD-13-6 BD-14-7 WL-36-15 2WL-94-1 WL-36-17 BD-13-17 BD-14-11 3-WL-394 WL-85-5 BD-14-10 BD-13-13 BD-13-27 WL-36-50 WL-36-19 WL-36-18 BD-13-18 BD-13-16 WL-29-30 WL-29-31 BD-13-14 BD-20-2 BD-13-24 WL-36-16 BD-13-12 TD-1-3 31616 CV-S B-43-S B-42 39502 CV S B-15-1-S B-44 1-S B-23 BD-7-5 3-SB-14 2" 6-S B-37 3-S B-40 6-SB-7-S B-7 BD-5-1 1-S B-8 LA-4-132 A 58110 22 11945 PI 4 SB-41 2-WL-62 LEVEL LOW 0605 47011 A 26856 LC LA-15-5 LEVEL HIGH 0605 47011 A LA-2-99 3-S B-11 SB-22-2 1-SB-51 SB-33-1 3-SB-12-SB-22-S B-10 03 43027 CS M M 8B 32043 MV BD-1-1 SB-3-9 SB-34-2 46968 CS D D S B-14-2 S B-21-4 S B-21-3 32058 MV 1-S B-4 2-SB-4-S B-2 SM-13-4 2-SB-2 2-S B-2 BD-1-3 BD-1-4 SB-3-8 D SB-4-1 D 1-S B-3-S B-1 SM-13-2 M 32040 MV 2-SB-3 M 32044 MV S B-21-2 FE 27189 2-SB-5 S B-21-1 2-S B-1-S B-1(TYP)24193 LT SB-22-1 SB-28-1 2-SB-21 2-S B-18 2-SB-20 2-SB-19 1-S B-50 2-SB-36 FI 58101 23116 F GRPH DSPL 58350 2-S B-35 CS 43027 01 4-S B-9-SB-5 SB-3-10 SHIELD WALL OUTSIDE 23117 F-S B-6 D WL-76-1 2-WL-395

" WL-91-1-W L-400 V WL-78-1""-" WL-75-2 WL-75-3 WL-82-1 11936 PI 2-W L-54-W L-180 26192 PC CHAMBER AIR VOLUME PNL LOADING MNL POS SV-37192 A/S A/S COND 1A UNIT 1 WL-38-34-WL-50-W L-397 WL-70-4 WL-38-33 WL-85-4 WL-70-3 17668 DPI-"-"-W L-50 3-WL-393 WL-38-32 D V 2-W L-50 WL-36-51 D D V-WL-52 WL-36-45-WL-403-WL-174 SV-37528 31528 CV BD-13-7" 2" 31530 CV SV-37530-WL-48 2-WL-392 2-W L-48 2-WL-50 SV-37526 31526 CV-WL-47" 2" WL-66-3 BD-18-1 BD-14-5-W L-173 1 -WL-147 S D 17896 DPS BD-13-26 WL-36-21-W L-179 2-WL-52"-" 2WL-75-2 26140 PC PNL LOADING MNL POS SV-37340 A/S A/S VALVE BY-PASS SV MANUAL 2 W L-84-1 11937 PI 2WL-83-1 2WL-93-1 2WL-75-1 WL-36-48 WL-36-23 2WL-75-3 WL-92-3 WL-36-20 2WL-76-1 BD-13-4 BD-14-13 BD-13-33 BD-13-32 BD-14-16 BD-16-2 WL-36-22 BD-13-28 BD-13-20 WL-29-32 BD-13-23 BD-20-1 2WL-91-1 2-2WL-395 D-WL-306 2-WL-42-WL-307 D 2WL-90-3 4-2WL-395 V-2WL-400 COLD CHEM LAB SAMPLE TO 2-W L-62 2-2WL-395

-WL-401 B D-14-15-W L-52 D 3-WL-66 2-WL-185 1-WL-185 BD-13-31 V 31539 CV SV-37539 BD-18-3"-WL-350 2-WL-61 1-WL-61 D D V V V V-W L-50-W L-398 12287 TI 12289 TI 11601 PI 4-W L-65 2-W L-52 2-W L-42 BD-14-14 SV-37601 V 2-W L-221 D 1-WL-62-WL-399 BD-18-4 SV-37602 31602 CV-WL-64 2WL-92-3 1-WL-63 1" 2-WL-63 2-WL-64 2WL-36-52 2WL-66-1 2-WL-186 1-WL-186 BD-13-29 17894 DPS 3-WL-66 2WL-36-41 2-WL-53 2-W L-53 BD-13-19 V 11820 DPI RESIN FILL 2-W L-53 2" 2-WL-233 2-WL-59 B D-13-25 2-WL-57 2 W L-36-19 11821 DPI RESIN FILL 3-WL-60 2-WL-55 P D-" 31532 CV SV-37532 2-W L-51 2WL-36-18-W L-177 31531 CV SV-37531-WL-178 2-WL-51-WL-49-WL-49 2-W L-396-2WL-401 2WL-36-40 8A SB-34-1 SB-3-11 2-S B-54 WL-75-1 6-S B-7 2-S B-14-S B-6 2-SB-2 2-SB-2 2-S B-2 2-S B-2 2-SB-1 2-SB-1 2-S B-1 2-S B-1""" WL-16-88 WL-16-89 V D 2-WL-221 BD-13-5 2-WL-221 WL-36-65-W L-221 11600 PI WL-66-1 2WL-36-21" D LD 23154 F A 58110 12 A 58110 62 2-WL-54 D"" P WL-94-1 2-W L-49 2 W L-47 2-S B-50 2-SB-50 D 39504 CV 39503 CV 39507 CV D SB-15-2 V SB-10-5 6" PROC PIPE 10" CNTMT PIPE WITH LK DET 6.SEE NF-39249 (A-6) 28090 CONT SV-37529 31529 SV-37606 31606 31605 CV SV-37605-2 W L-398 SV-37538 D 12 NOTE 7 NOTE 7 FOR LEVEL CONTROL & ALARM PIPING P-DENOTES PURGE CONN.

7.SV-37502 31415 CV SV-33607 31414 CV SV-33606 39501 CV SV-37501 BD-1-2 CON T CONT CONT CONT CONT CONT CONT CONT CONT CONT CONT CONT CONT CV-31609 CV-31519 CONT CONT CONT CONT CONT CONT CONT CONT CONT CONT CONT CONT CONT CONT CONT CONT CONT CONT CONT CONT CONT CONT CONT 31609 CV 2-WL-176"" 11 LC-26856 CONT NOTE 7 NOTE 7 PQ 48121 63 58110 A 27190 FE PQ 48120 12281 TI 11604 PI 12279 TI 16673 LA 26392 TC 16672 LA 11525 PI[28600]SYS MON UNIT LEAK DETECTION CNL DISCH 17710 TS LC-26856 VESSEL CNTMT OUTSIDE 4-WL-395 BY-PASS VALVE SV MANUAL 2-WL-395 3-WL-56 FLR DRN WST VIA ARTD DRN TO 2-W L-64 CONT 1" SB-163-1" D" 2-WL-42 WL-36-49 " WL-165-49 WL-165-50 CLN OUT FLG WL-66-2" WL-165-65 W L-165-66 D NOTES: 3. DENOTES CATEGORY I LEGEND VENTILATION ZONE

4. FOR SYMBOLS SEE XH-1-105, NF-39214.
2. 5.C1 - SAFETY- RELATED; ISI CLASS 1 C2 - SAFETY-RELATED; ISI CLASS 2 C3 - SAFETY-RELATED; ISI CLASS 3 NSR - NON-SAFETY-RELATED DESIGN CLASS.

I/1 DENOTES EQUIPMENT QA TYPE/

NON-CODE CLASS SR - SAFETY-RELATED FLUID BOUNDARY; 1" G-12 NF-39247 G-6 NF-39216-3 CV-31672 31592 CV G-7 NF-39249 D-6 NF-39242 E-8 NF-39236 E-8 NF-39236 G-1 NF-39249 NF-39216 CL SYSTEM FLOW DIA. UNIT 1 NF-39220 - CD SYSTEM FLOW DIA. UNIT 1 NF-39224 - BL SYSTEM FLOW DIA. UNIT 1 NF-39233 - TD SYSTEM FLOW DIA. UNIT 1 NF-39236 - WS SYSTEM FLOW DIA. UNIT 1 & 2 NF-39238 - SM SYSTEM FLOW DIA. UNIT 1 & 2 NF-39242 - RM SYSTEM FLOW DIA. UNIT 1 & 2 NF-39247 - CG SYSTEM FLOW DIA. UNIT 1 & 2 NF-39248 - MD SYSTEM FLOW DIA. UNIT 1 & 2 NF-39249 - WL SYSTEM FLOW DIA. UNIT 1 & 2 NF-39250 - SB SYSTEM FLOW DIA. UNIT 1 & 2 G-5 NF-39216-3 D D D 31840 CV 31599 CV 31600 CV REDRAWN PER SYSTEM WALKDOWN, INCORPORATED 04NS15 AS BUILT PER DRR PI-08-097 MOD#: EC-13379 DWN: MAW 6-12-06 CHK'D: JEK 9-11-09 FILMED: 10-09 REVIEWED: WJI 9-11-09 77 SAFETY CLASS DESIGNATIONS.

19 1RE 29019 (III/3)PUMP SGB XFER 11 (III/3)GAL 10,000 SGB HUT 12 (III/3)PMPS SGB HUT SGB HX 11 (III/3)(III/3)SGB HX 12 CHAMBER AIR VOLUME (III/3) EXCH STRNR SGB ION 11 S (III/3)10,000 GAL MNTR TNK SGB 11 (III/3)EXGR SGB ION 21 (III/3)EXGR SGB ION 11 (III/3)STRNR EXCH SGB ION 21 (III/3)10,000 GAL MNTR TNK SGB 21 (III/3)EXGR FLTR SGB ION 11 (III/3)GAL 10,000 SGB HUT 11 D D S S 2-WL-51 D"""" SG 12 SG 11 REFERENCE DWGS MANUAL C PROCEDURE CHECKLIST.

FOR VALVE POSITIONS SEE OPS 1.CLASSED AS NON-SAFETY-RELATED.

DOWNSTREAM ITEMS (e.g., PIPE, CAPS, ETC.)

STOP AT VENT AND DRAIN VALVES WITH UNLESS OTHERWISE SHOWN, CLASS BOUNDARIES

9. DENOTES CONTAINMENT PEN NUMBER
8. S-DENOTES SAMPLE CONN.

CS 46969 CS 46339 CS WL-36-46 (III/3)TNK SGB FLASH 11 MNTR SGB RAD 11 FLTR MNTR RAD SGB 121" FI 58102 G-12 NF-39247--WL-171 11546 PI 10. SHELL SIDE C2 TUBE SIDE C1.

SHIELD WALL INSIDE VESSEL CNTMT INSIDE SEE NOTE 10 SEE NOTE 10 IB C2 C3 IC QA TYPE CLASS BREAK IA,IB,IC,IIA,IIB & III DENOTES PIPING QA TYPES C-3 NF-39224 TO ATMOS TO FWH VNT E-7 NF-39233 MAIN CDSR 1A TO STM TRAP #25 NF-39233 F-7 D-10 NF-39224 EXTRACTION LN FWH #13A G-8 NF-39249 RE-18 FROM RAD MNTR F-11 NF-39250 RAD MNTR FROM #21 E-7 NF-39248 TO WST HUT H-5 NF-39250 PMPS #21 & #22 FROM SGB HUT G-9 NF-39249 WD,S DISCH TO RAD MNTR A-7 NF-39236 SYS TO ADT A-5 NF-39238 (SM-35)TO HOT SMPL RM TO HOT SMPL RM (SM-36)NF-39238 A-5 UNLESS OTHERWISE NOTED.

11. ALL PIPING TO BE QA TYPE III SM-13-1" 2-W L-58 31537 CV 31604 CV 31536 CV 31538 CV 31535 CV 31603 CV 2WL-36-42 SB-43-3-SB-34 SB-26-7 8-SB-15 1 -S B-24 4-SB-16"-S B-61 SB-3-7" " 2WL-75-4 SM-13-3 WL-77-1 2"" S S S S TO COLD CHEM LAB S IB III IB III 11610 PI COND 2A UNIT 2 S-WL-64-WL-181-W L-183-WL-182" " -WL-351 4-SB-41 31465 CV 31519 CV 39506 CV 31523 CV 31525 CV 11 21 (III/3)TNK PMP SGB MNTR (III/3)TNK PMP SGB MNTR BD-13-22 2-W L-57 BD-14-9 11602 PI D SB-15-4 BD-14-12 DISCH CNL STD PIPE TO 8" AUX BLDG 31843 CV 31601 CV 31844 CV DWN: DMN 6-30-09 CHK'D: BAW 7-9-09 AS BUILT-76 CHANGED VALVE NUMBER FROM WL-36-49 TO WL-36-46 (F-8)

PER EC-8495 DWN: DMN 6-30-09 CHK'D: BAW 7-9-09 AS BUILT-CHANGED CONT. ON DC79L-517 SH. 2 TO DRAIN (B-7)

PER EC-11687 DWN: DMN 6-30-09 CHK'D: BAW 7-9-09 AS BUILT-FILMED: 7-09 MOD#: EC-12465 REMOVED CONTROL LOGIC SCHEMATIC FOR CV-39087 &

CV-31616 AND MOVED IT TO LOGIC DWG. NF-40331-1 PER DRR PI-09-074 CV-31616 CV-39087 CONTROL CONTROL CONTROL TO DRAIN SB-16-4" LOC. F-10 AND XH-248-1-2 LOC. G-2 SEE XH-248-1-1 SGB SMPL PNL "82" S T TRAP STRAINER DWN: KJF 5-5-10 CHK'D: JBS 10-13-10 AS BUILT-78 MOD#: EC-14472 ADDED DRAWING REFERENCE AND CONTINUATION.

ADDED STRAINER AND TRAP TO DRAIN AT LOCATION B-7.

PER DRR PI-09-163 APP'D: CMR 10-18-10 SB-15-9 DWN: LAB 5-22-12 CHK'D: AP 5-25-12 AS BUILT-79 MOD#: EC-17061 ADDED VALVE SB-15-9 TO SB CHEMISTRY SAMPLE LINE 1-SB-24.

PER DRR PI-12-110 APP'D: CMR 5-29-12 CHK'D: AP 7-29-13 PER DRR PI-13-108 APP'D: CMR 7-30-13 DWN: DB 7-23-13 MOD#: EC-21898 D-10 NF-39220 16" D-10 NF-39220 SV-37507 AS BUILT-80 REV'D PIPE ROUTE TO/FROM 12 SGB HX SWITCHING 16" LN TO SHELL INLET/OUTLET

& 2",4" TO TUBE INLET/

TO TUBE SIDE.

OUTLET. RELOC VENT/DRN REVISIONS A B C D E F H$$$$$$$$$DESIGNFIL$$$$$$$$$

$$USERNAME$$

$$$$$$SYTIME$$$$$$

$$$$$$SYDATE$$$$$$

REV DWN DATE CHECKED PROJECT NO.

APP'D & CERT.

MAW 6-12-06 NONE FILMED RED WING, MINNESOTA 1 2 3 4 SIGNIFICANT NO.

GROUP 8630 1&2 750 5 6 4400 4212 CL 1 SCALE PRAIRIE ISLAND NUCLEAR GENERATING PLANT

NORTHERN STATES POWER COMPANY 82 88740 NF-88740 N F-by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's.

This map / document is a tool to assist employees in the performance of their jobs. Your personal safety is provided for NSRP GENERATION CAD NF-88740.DGN FLOW DIAGRAM STEAM GENERATOR BLOWDOWN SYSTEM UNITS 1 & 2 A B C D E F H G 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 12 DWN: MEA 1-6-15 CHK'D: RM 1-7-15 AS BUILT-81 MOD#: EC-24452 REV'D ANNUNCIATORS 53100 FROM 033 TO 0105, AND FROM 021 TO 0205.

PER DRR PI-14-192 APP'D: CMR 1-7-15 SB-28-4 1" DWN: JEK 5-13-16 CHK'D: PMB 5-20-16 AS BUILT-82 MOD#: EC-23444 ADDED VALVE SB-28-4 AND 3"x1" REDUCER.

PER DRR PI-16-142 APP'D: DB 5-20-16 GRPH DSPL 58350 CONT 46340 S B-26-1 V BD-6-1 V D 2-SB-6 6-S B-9 F BD-13-30 V 2WL-36-50 V CV CV ATM V NSR C2 NSR C2

X X X 2-S B-15 SV-33910 4-S B-15 SB-43-1 F 17667 DPS SB-43-2 4-SB-15 3-SB-15 SB-12-5 1" 3-SB-15 SV-33327 2-SB-51 2-SB-50 SB-26-4 SV-33333-S B-64 BY-PASS VALVE SV MANUAL 31522 CV SV-37524 31524 CV SB-13-2 SB-12-4-S B-17 SB-32-1 D D WL-36-14-WL-402 2-WL-391 BD-14-3 BD-13-9 BD-13-8 1-WL-175 2-W L-175 BD-16-1 BD-13-11 3-WL-46 4-WL-45 WL-89-3 WL-89-1 2-WL-43 WL-92-2 11609 PI SB-13-1-SB-17 1-WL-176 BD-13-10 2-W L-44 1-WL-48 1-WL-44 WL-89-2-WL-172 2-WL-390 B D-14-4 2" 2-S B-17 SB-13-3 27110 FE SB-17-2 SB-17-1" 58350 DSPL GRPH SV-37525 2-SB-55 12368 TI SB-26-6 2-SB-49 3-SB-49 SV-37506 A 53100 0205 TEMP HI TEMP HI-HI A 53100 0105 SB-20-4 V-S B-63 S B-16-2 2-SB-52 SB-12-3 SB-15-7-S B-56 D SV-37504 SB-20-3 SB-12-2 V 2-SB-58 2-SB-48 D 1" 1" SV-37503-S B-57 SB-15-6-SB-46 2-SB-53 SB-15-5 SB-20-2 V 16"-S B-62" FLOOR TO VENT 1" SB-19-1 SB-12-1 V SB-15-8-S B-47 SB-11-2-S B-60 SB-20-1 V D D D V V SB-11-1 S B-15-3-S B-45 SV-37087 39087 CV SV-37616 8-SB-37 6-SB-38 26011 PC 6-SB-39 6-SB-37 SB-10-4 SB-10-2 SB-10-3 SB-10-1 SB-16-3 LA-2-97 LA-19-4 LA-2-98 LA-4-133 LA-4-134 LA-15-6 LA-4-135 LA-4-136 SB-14-1 SB-18-1 SB-27-1 SB-26-3 SB-16-1 SB-26-2 LA-2-100 LA-4-137 WL-92-1 BD-14-8 BD-18-2 BD-13-6 BD-14-7 WL-36-15 2WL-94-1 WL-36-17 BD-13-17 BD-14-11 3-WL-394 WL-85-5 BD-14-10 BD-13-13 BD-13-27 WL-36-50 WL-36-19 WL-36-18 BD-13-18 BD-13-16 WL-29-30 WL-29-31 BD-13-14 BD-20-2 BD-13-24 WL-36-16 BD-13-12 TD-1-3 31616 CV-S B-43-S B-42 39502 CV S B-15-1-S B-44 1-S B-23 BD-7-5 3-SB-14 2" 6-S B-37 3-S B-40 6-SB-7-S B-7 BD-5-1 1-S B-8 LA-4-132 A 58110 22 11945 PI 4 SB-41 2-WL-62 LEVEL LOW 0605 47011 A 26856 LC LA-15-5 LEVEL HIGH 0605 47011 A LA-2-99 3-S B-11 SB-22-2 1-SB-51 SB-33-1 3-SB-12-SB-22-S B-10 03 43027 CS M M 8B 32043 MV BD-1-1 SB-3-9 SB-34-2 46968 CS D D S B-14-2 S B-21-4 S B-21-3 32058 MV 1-S B-4 2-SB-4-S B-2 SM-13-4 2-SB-2 2-S B-2 BD-1-3 BD-1-4 SB-3-8 D SB-4-1 D 1-S B-3-S B-1 SM-13-2 M 32040 MV 2-SB-3 M 32044 MV S B-21-2 FE 27189 2-SB-5 S B-21-1 2-S B-1-S B-1(TYP)24193 LT SB-22-1 SB-28-1 2-SB-21 2-S B-18 2-SB-20 2-SB-19 1-S B-50 2-SB-36 FI 58101 23116 F GRPH DSPL 58350 2-S B-35 CS 43027 01 4-S B-9-SB-5 SB-3-10 SHIELD WALL OUTSIDE 23117 F-S B-6 D WL-76-1 2-WL-395

" WL-91-1-W L-400 V WL-78-1""-" WL-75-2 WL-75-3 WL-82-1 11936 PI 2-W L-54-W L-180 26192 PC CHAMBER AIR VOLUME PNL LOADING MNL POS SV-37192 A/S A/S COND 1A UNIT 1 WL-38-34-WL-50-W L-397 WL-70-4 WL-38-33 WL-85-4 WL-70-3 17668 DPI-"-"-W L-50 3-WL-393 WL-38-32 D V 2-W L-50 WL-36-51 D D V-WL-52 WL-36-45-WL-403-WL-174 SV-37528 31528 CV BD-13-7" 2" 31530 CV SV-37530-WL-48 2-WL-392 2-W L-48 2-WL-50 SV-37526 31526 CV-WL-47" 2" WL-66-3 BD-18-1 BD-14-5-W L-173 1 -WL-147 S D 17896 DPS BD-13-26 WL-36-21-W L-179 2-WL-52"-" 2WL-75-2 26140 PC PNL LOADING MNL POS SV-37340 A/S A/S VALVE BY-PASS SV MANUAL 2 W L-84-1 11937 PI 2WL-83-1 2WL-93-1 2WL-75-1 WL-36-48 WL-36-23 2WL-75-3 WL-92-3 WL-36-20 2WL-76-1 BD-13-4 BD-14-13 BD-13-33 BD-13-32 BD-14-16 BD-16-2 WL-36-22 BD-13-28 BD-13-20 WL-29-32 BD-13-23 BD-20-1 2WL-91-1 2-2WL-395 D-WL-306 2-WL-42-WL-307 D 2WL-90-3 4-2WL-395 V-2WL-400 COLD CHEM LAB SAMPLE TO 2-W L-62 2-2WL-395

-WL-401 B D-14-15-W L-52 D 3-WL-66 2-WL-185 1-WL-185 BD-13-31 V 31539 CV SV-37539 BD-18-3"-WL-350 2-WL-61 1-WL-61 D D V V V V-W L-50-W L-398 12287 TI 12289 TI 11601 PI 4-W L-65 2-W L-52 2-W L-42 BD-14-14 SV-37601 V 2-W L-221 D 1-WL-62-WL-399 BD-18-4 SV-37602 31602 CV-WL-64 2WL-92-3 1-WL-63 1" 2-WL-63 2-WL-64 2WL-36-52 2WL-66-1 2-WL-186 1-WL-186 BD-13-29 17894 DPS 3-WL-66 2WL-36-41 2-WL-53 2-W L-53 BD-13-19 V 11820 DPI RESIN FILL 2-W L-53 2" 2-WL-233 2-WL-59 B D-13-25 2-WL-57 2 W L-36-19 11821 DPI RESIN FILL 3-WL-60 2-WL-55 P D-" 31532 CV SV-37532 2-W L-51 2WL-36-18-W L-177 31531 CV SV-37531-WL-178 2-WL-51-WL-49-WL-49 2-W L-396-2WL-401 2WL-36-40 8A SB-34-1 SB-3-11 2-S B-54 WL-75-1 6-S B-7 2-S B-14-S B-6 2-SB-2 2-SB-2 2-S B-2 2-S B-2 2-SB-1 2-SB-1 2-S B-1 2-S B-1""" WL-16-88 WL-16-89 V D 2-WL-221 BD-13-5 2-WL-221 WL-36-65-W L-221 11600 PI WL-66-1 2WL-36-21" D LD 23154 F A 58110 12 A 58110 62 2-WL-54 D"" P WL-94-1 2-W L-49 2 W L-47 2-S B-50 2-SB-50 D 39504 CV 39503 CV 39507 CV D SB-15-2 V SB-10-5 6" PROC PIPE 10" CNTMT PIPE WITH LK DET 6.SEE NF-39249 (A-6) 28090 CONT SV-37529 31529 SV-37606 31606 31605 CV SV-37605-2 W L-398 SV-37538 D 12 NOTE 7 NOTE 7 FOR LEVEL CONTROL & ALARM PIPING P-DENOTES PURGE CONN.

7.SV-37502 31415 CV SV-33607 31414 CV SV-33606 39501 CV SV-37501 BD-1-2 CON T CONT CONT CONT CONT CONT CONT CONT CONT CONT CONT CONT CONT CV-31609 CV-31519 CONT CONT CONT CONT CONT CONT CONT CONT CONT CONT CONT CONT CONT CONT CONT CONT CONT CONT CONT CONT CONT CONT CONT 31609 CV 2-WL-176"" 11 LC-26856 CONT NOTE 7 NOTE 7 PQ 48121 63 58110 A 27190 FE PQ 48120 12281 TI 11604 PI 12279 TI 16673 LA 26392 TC 16672 LA 11525 PI[28600]SYS MON UNIT LEAK DETECTION CNL DISCH 17710 TS LC-26856 VESSEL CNTMT OUTSIDE 4-WL-395 BY-PASS VALVE SV MANUAL 2-WL-395 3-WL-56 FLR DRN WST VIA ARTD DRN TO 2-W L-64 CONT 1" SB-163-1" D" 2-WL-42 WL-36-49 " WL-165-49 WL-165-50 CLN OUT FLG WL-66-2" WL-165-65 W L-165-66 D NOTES: 3. DENOTES CATEGORY I LEGEND VENTILATION ZONE

4. FOR SYMBOLS SEE XH-1-105, NF-39214.
2. 5.C1 - SAFETY- RELATED; ISI CLASS 1 C2 - SAFETY-RELATED; ISI CLASS 2 C3 - SAFETY-RELATED; ISI CLASS 3 NSR - NON-SAFETY-RELATED DESIGN CLASS.

I/1 DENOTES EQUIPMENT QA TYPE/

NON-CODE CLASS SR - SAFETY-RELATED FLUID BOUNDARY; 1" G-12 NF-39247 G-6 NF-39216-3 CV-31672 31592 CV G-7 NF-39249 D-6 NF-39242 E-8 NF-39236 E-8 NF-39236 G-1 NF-39249 NF-39216 CL SYSTEM FLOW DIA. UNIT 1 NF-39220 - CD SYSTEM FLOW DIA. UNIT 1 NF-39224 - BL SYSTEM FLOW DIA. UNIT 1 NF-39233 - TD SYSTEM FLOW DIA. UNIT 1 NF-39236 - WS SYSTEM FLOW DIA. UNIT 1 & 2 NF-39238 - SM SYSTEM FLOW DIA. UNIT 1 & 2 NF-39242 - RM SYSTEM FLOW DIA. UNIT 1 & 2 NF-39247 - CG SYSTEM FLOW DIA. UNIT 1 & 2 NF-39248 - MD SYSTEM FLOW DIA. UNIT 1 & 2 NF-39249 - WL SYSTEM FLOW DIA. UNIT 1 & 2 NF-39250 - SB SYSTEM FLOW DIA. UNIT 1 & 2 G-5 NF-39216-3 D D D 31840 CV 31599 CV 31600 CV REDRAWN PER SYSTEM WALKDOWN, INCORPORATED 04NS15 AS BUILT PER DRR PI-08-097 MOD#: EC-13379 DWN: MAW 6-12-06 CHK'D: JEK 9-11-09 FILMED: 10-09 REVIEWED: WJI 9-11-09 77 SAFETY CLASS DESIGNATIONS.

19 1RE 29019 (III/3)PUMP SGB XFER 11 (III/3)GAL 10,000 SGB HUT 12 (III/3)PMPS SGB HUT SGB HX 11 (III/3)(III/3)SGB HX 12 CHAMBER AIR VOLUME (III/3) EXCH STRNR SGB ION 11 S (III/3)10,000 GAL MNTR TNK SGB 11 (III/3)EXGR SGB ION 21 (III/3)EXGR SGB ION 11 (III/3)STRNR EXCH SGB ION 21 (III/3)10,000 GAL MNTR TNK SGB 21 (III/3)EXGR FLTR SGB ION 11 (III/3)GAL 10,000 SGB HUT 11 D D S S 2-WL-51 D"""" SG 12 SG 11 REFERENCE DWGS MANUAL C PROCEDURE CHECKLIST.

FOR VALVE POSITIONS SEE OPS 1.CLASSED AS NON-SAFETY-RELATED.

DOWNSTREAM ITEMS (e.g., PIPE, CAPS, ETC.)

STOP AT VENT AND DRAIN VALVES WITH UNLESS OTHERWISE SHOWN, CLASS BOUNDARIES

9. DENOTES CONTAINMENT PEN NUMBER
8. S-DENOTES SAMPLE CONN.

CS 46969 CS 46339 CS WL-36-46 (III/3)TNK SGB FLASH 11 MNTR SGB RAD 11 FLTR MNTR RAD SGB 121" FI 58102 G-12 NF-39247--WL-171 11546 PI 10. SHELL SIDE C2 TUBE SIDE C1.

SHIELD WALL INSIDE VESSEL CNTMT INSIDE SEE NOTE 10 SEE NOTE 10 IB C2 C3 IC QA TYPE CLASS BREAK IA,IB,IC,IIA,IIB & III DENOTES PIPING QA TYPES C-3 NF-39224 TO ATMOS TO FWH VNT E-7 NF-39233 MAIN CDSR 1A TO STM TRAP #25 NF-39233 F-7 D-10 NF-39224 EXTRACTION LN FWH #13A G-8 NF-39249 RE-18 FROM RAD MNTR F-11 NF-39250 RAD MNTR FROM #21 E-7 NF-39248 TO WST HUT H-5 NF-39250 PMPS #21 & #22 FROM SGB HUT G-9 NF-39249 WD,S DISCH TO RAD MNTR A-7 NF-39236 SYS TO ADT A-5 NF-39238 (SM-35)TO HOT SMPL RM TO HOT SMPL RM (SM-36)NF-39238 A-5 UNLESS OTHERWISE NOTED.

11. ALL PIPING TO BE QA TYPE III SM-13-1" 2-W L-58 31537 CV 31604 CV 31536 CV 31538 CV 31535 CV 31603 CV 2WL-36-42 SB-43-3-SB-34 SB-26-7 8-SB-15 1 -S B-24 4-SB-16"-S B-61 SB-3-7" " 2WL-75-4 SM-13-3 WL-77-1 2"" S S S S TO COLD CHEM LAB S IB III IB III 11610 PI COND 2A UNIT 2 S-WL-64-WL-181-W L-183-WL-182" " -WL-351 4-SB-41 31465 CV 31519 CV 39506 CV 31523 CV 31525 CV 11 21 (III/3)TNK PMP SGB MNTR (III/3)TNK PMP SGB MNTR BD-13-22 2-W L-57 BD-14-9 11602 PI D SB-15-4 BD-14-12 DISCH CNL STD PIPE TO 8" AUX BLDG 31843 CV 31601 CV 31844 CV DWN: DMN 6-30-09 CHK'D: BAW 7-9-09 AS BUILT-76 CHANGED VALVE NUMBER FROM WL-36-49 TO WL-36-46 (F-8)

PER EC-8495 DWN: DMN 6-30-09 CHK'D: BAW 7-9-09 AS BUILT-CHANGED CONT. ON DC79L-517 SH. 2 TO DRAIN (B-7)

PER EC-11687 DWN: DMN 6-30-09 CHK'D: BAW 7-9-09 AS BUILT-FILMED: 7-09 MOD#: EC-12465 REMOVED CONTROL LOGIC SCHEMATIC FOR CV-39087 &

CV-31616 AND MOVED IT TO LOGIC DWG. NF-40331-1 PER DRR PI-09-074 CV-31616 CV-39087 CONTROL CONTROL CONTROL TO DRAIN SB-16-4" LOC. F-10 AND XH-248-1-2 LOC. G-2 SEE XH-248-1-1 SGB SMPL PNL "82" S T TRAP STRAINER DWN: KJF 5-5-10 CHK'D: JBS 10-13-10 AS BUILT-78 MOD#: EC-14472 ADDED DRAWING REFERENCE AND CONTINUATION.

ADDED STRAINER AND TRAP TO DRAIN AT LOCATION B-7.

PER DRR PI-09-163 APP'D: CMR 10-18-10 SB-15-9 DWN: LAB 5-22-12 CHK'D: AP 5-25-12 AS BUILT-79 MOD#: EC-17061 ADDED VALVE SB-15-9 TO SB CHEMISTRY SAMPLE LINE 1-SB-24.

PER DRR PI-12-110 APP'D: CMR 5-29-12 CHK'D: AP 7-29-13 PER DRR PI-13-108 APP'D: CMR 7-30-13 DWN: DB 7-23-13 MOD#: EC-21898 D-10 NF-39220 16" D-10 NF-39220 SV-37507 AS BUILT-80 REV'D PIPE ROUTE TO/FROM 12 SGB HX SWITCHING 16" LN TO SHELL INLET/OUTLET

& 2",4" TO TUBE INLET/

TO TUBE SIDE.

OUTLET. RELOC VENT/DRN REVISIONS A B C D E F H$$$$$$$$$DESIGNFIL$$$$$$$$$

$$USERNAME$$

$$$$$$SYTIME$$$$$$

$$$$$$SYDATE$$$$$$

REV DWN DATE CHECKED PROJECT NO.

APP'D & CERT.

MAW 6-12-06 NONE FILMED RED WING, MINNESOTA 1 2 3 4 SIGNIFICANT NO.

GROUP 8630 1&2 750 5 6 4400 4212 CL 1 SCALE PRAIRIE ISLAND NUCLEAR GENERATING PLANT

NORTHERN STATES POWER COMPANY 82 88740 NF-88740 N F-by using safety practices, procedures and equipment as described in safety training programs, manuals and SPAR's.

This map / document is a tool to assist employees in the performance of their jobs. Your personal safety is provided for NSRP GENERATION CAD NF-88740.DGN FLOW DIAGRAM STEAM GENERATOR BLOWDOWN SYSTEM UNITS 1 & 2 A B C D E F H G 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 12 DWN: MEA 1-6-15 CHK'D: RM 1-7-15 AS BUILT-81 MOD#: EC-24452 REV'D ANNUNCIATORS 53100 FROM 033 TO 0105, AND FROM 021 TO 0205.

PER DRR PI-14-192 APP'D: CMR 1-7-15 SB-28-4 1" DWN: JEK 5-13-16 CHK'D: PMB 5-20-16 AS BUILT-82 MOD#: EC-23444 ADDED VALVE SB-28-4 AND 3"x1" REDUCER.

PER DRR PI-16-142 APP'D: DB 5-20-16 GRPH DSPL 58350 CONT 46340 S B-26-1 V BD-6-1 V D 2-SB-6 6-S B-9 F BD-13-30 V 2WL-36-50 V CV CV ATM V NSR C2 NSR C2 603000001331 CAD FILE: FIGURE 9.1-5 REV. 35 U09105.DGN 4-2SB-14 2SB-33-1 M M M M M M M M M M M M SPOOL PC 2WL-51-2 V 6" 1-WL-103 2" F V 1"" M M M M 2SB-1-1 2SB-1-2 32049 MV 2SB-3-9 2SB-34-2 1-2 S B-18 2SM-13-3 2SM-13-4-2 S B-2 32059 MV-2 S B-24 2SB-14-2 2SB-21-2 2SB-3-11 2SB-21-1 D 32046 MV 32051 MV 2SB-1-3 2SB-1-4 2SB-4-1 2SB-3-8 2SB-34-1-2 S B-17 1-2 S B-17 2SM-13-1 2SM-13-2-2 S B-21-2 S B-27 2SB-3-10 2SB-3-5 2SB-14-1 V FE 27113 D D D D D-2 S B-16 PI 11603-2 W L-391-2 W L-48-2 S B-397-"" 2" 2"-" LA A 2LA-17-5 2LA-14-21 2LA-18-13 2LA-14-22 2LA-14-26 2LA-14-23 2LA-18-14 2LA-18-17 2LA-18-18 2LA-14-27 2LA-17-6 2LA-19-3 2LA-18-16 2LA-14-25 2LA-18-15 16832 16833 WST HUT CVCS HUTS-2WL-70 D-2 W L-69 D V V V-2SB-65-2 S B-20-2 S B-34 2-2SB-53 2-2SB-48-2SB-46 2-2SB-52 2-2SB-58-2 S B-45-2 S B-61-2 S B-14-2 S B-42-2 S B-44-2 S B-43-2SB-47-2SB-12-2SB-19-2 S B-60 4-2 S B-9-2 S B-50-2SB-9-2SB-10 2SB-22-2-2WL-17-WL-308-2WL-35-2WL-40-2WL-40-2WL-40-2WL-36-2WL-39-2WL-40-2WL-40-2WL-40-2WL-40-2WL-40-2WL-40-2WL-40-2WL-34-2WL-30-2WL-31-2WL-26-2WL-29-2WL-28 31228 CV CONT CONT CONT CONT 31610 CV CONT CONT 1-8702B RC-2-1 31224 CV 31210 CV-WL-105-WL-95-WL-94-WL-93-WL-92-WL-91-WL-103-WL-90-WL-103-WL-98 32064 MV-WL-100 32165 MV 32231 MV-WL-101 32065 MV 32066 MV 31323 CV CONT LC 26857 CONT CONT CONT CONT CONT 2WL-66-2-2WL-63 D CONT CONT CONT CONT CONT CONT CONT CONT SGB HOLD-UP TANKS LEVEL CONT & ALARM PIPING 2-8702A 31229 CV RTD LOOP B

-2 S B-57-2 S B-56 2-2SB-3 2-2 W L-501 2-WL-551 4-WL-552 4-WL-551 2-W L-551 2-WL-24 2-2WL-16 2WL-52-4 2WL-52-3" 2" 2" TD-12-1 TD-12-2 2MD-30-1 V 2WL-1-1 2WL-38-22 2WL-36-69 2MD-31-1 2MD-4-8 39086 CV SV-37086 2RC-2-2 2-8001B 1-2 W L-40 2WL-65-3 3" 3" 32192 MV 32232 MV 2WL-64-14 2WL-64-4 2WL-64-3 1-2 W L-40 1-2 W L-40 2WL-64-2-2WL-40-2WL-40 2WL-64-1 2WL-53-13 2WL-64-10 2WL-53-12 10" 10" 6" 32169 MV 32168 MV 32193 MV 8" 2WL-65-2 RTD LOOP"A" 2WL-64-6 2WL-64-5 2WL-64-8 1-2 W L-40 8" WL-65-3 3" RTD LOOP "B" 32230 MV 31225 CV 3" 3" RTD LOOP "A" WL-65-2 3" 1-WL-103 8" MV 32164 1-WL-103 WL-64-8 WL-64-7 WL-64-6 WL-64-5 WL-64-4 WL-64-3 WL-64-14-WL-103 WL-53-12 6" 10" 8"-WL-103 1" WL-64-11 10" 8" WL-64-10-WL-99-WL-103 1-WL-103 WL-53-9 1-WL-103" WL-64-1 WL-64-2 2WL-31-50 3-2WL-25 3-2WL-25 2WL-46-4 2SB-17-1 28097 2SB-17-2 2SB-10-6 V 12369 TI 2SB-32-1 1-2 S B-64 2SB-31-2 D D 2SB-26-4 2-2SB-15 2SB-28-3 SV-33328 2-2SB-49 3-2 S B-15 2SB-12-5 2SB-13-3 HI-HI TEMP SV-37513 2LA-14-24 A LA A LA 2-2SB-16 SV-37514 2SB-15-7 2SB-12-3 1" D D 2SB-12-2 2SB-12-1 2SB-15-5 2SB-15-6 2SB-11-2 2SB-16-2-2 S B-63 SV-37511 1" 2SB-20-3 V2 S B-62 D 2SB-20-4 SV-37512 2WL-31-45 2SI-17-4 2-2SI-98 3-2WL-10C 2WL-27-2 2WL-27-3 2WL-27-1 1-2WL-66 3-2 W L-10 C 2WL-31-43 1-2 W L-67 BD-11-2 3-2WL-10C BD-12-10 3-2WL-10B BD-10-2 BD-12-8 P BD-10-4 1-2WL-65 2WL-31-42 2WL-28-1 6-2SB-37 2SB-10-1 SV-37088 2SB-16-3 2SB-10-2 8-2SB-37 PC 6-2 S B-37 6-2SB-7 3-2SB-40 2SB-10-3 SV-37615 2SB-10-4 6-2SB-39 6-2SB-38 2TD-1-3 A 2LA-4-132 2LA-4-133 1" 26032 A LOW 2 S B-10-5 2LA-19-4 2LA-4-134 2LA-2-98 2LA-15-5 V BD-6-2 6-25 B-9 B D-5-2 2LA-15-6 2LA-4-137 2LA-2-100 2LA-2-99 2LA-4-136 2LA-4-135 24194 LT LEVEL 11946 PI 2SB-26-3 2SB-26-2 V 4-2SB-41 2SB-16-1 2SB-27-1 2SB-28-1 3-2SB-11 2SB-15-2 2SB-11-1 2SB-20-1 2SB-15-8 V V 2" 3-2SB-12 3-2SB-14 2SB-165-1 BD-7-6 SV-37510 2-2 S B-14 2SB-15-1 D D CONT 2SB-15-4 2SB-15-3 D 4-2SB-41 V 16" 2LA-14-15 LA 2LA-18-8 2LA-14-16 2LA-14-17 A 16830 2LA-17-3 2LA-14-14 2LA-14-19 2LA-14-20 2LA-17-4 2LA-19-2 2LA-18-12 2LA-18-11 2LA-18-9 16831 2LA-14-18 2LA-18-10 2WL-70-4 2WL-38-34 2-WL-51-2 W L-51 D 2WL-85-4 3-2WL-394 2WL-85-5 V 3-2WL-393 2-WL-51 2WL-38-32 2-W L-51 2WL-38-33 2WL-37-17 2-2 W L-24 SV-37497 2WL-70-3 F CONT SV-37533 2WL-37-20 2WL-36-44 2WL-37-19 2-2 W L-23 SV-37496 2WL-37-16 2SB-13-1 2-2WL-392 SV-37534 2" 2"" 2WL-38-21 2WL-92-2 2WL-38-17 1" 2-2 S B-44 2-2 W L-19 2 W L-38-19 2WL-89-2 2-2WL-22 1" 2WL-89-1 2WL-92-1 2WL-38-20 2WL-36-43 2-2WL-391 S S-2 W L-47 2-2WL-18 2WL-90-1 2WL-89-3 2-2WL-390 D 2WL-38-16 2-2 S B-43 2WL-38-18 D SV-37495 2WL-37-15 4-2WL-20 2-2 S B-55 3-2WL-21 D 2-2SB-16 2-2 S B-1 2-2SB-1 8C 2-2SB-5 49622 CS 2-2 S B-2 8D 2-2SB-4 2-2 S B-2 2-2 S B-2 2-2SB-6 49668 CS INSIDE CONTAINMENT VESSEL OUTSIDE SHIELD WALL OUTSIDE CONTAINMENT VESSEL 48621 PQ 58602 FI 23119 F 2-2SB-36 1-2 S B-50 2-2SB-30 2-2SB-29 SV-33790 2SB-26-1 1" 2SB-22-1 58601 FI 23118 F 48620 PQ 2-2SB-35 D 1-2SB-51 2-2SB-28 2 S B-163-1 SV-33334 SV-33789 D D 2WL-66-3 ABANDON ABANDON NOTES: 3. DENOTES CATEGORY I LEGEND VENTILATION ZONE

4. FOR SYMBOLS SEE XH-1-105, NF-39214.
2. 5.C2 C1 - SAFETY- RELATED; ISI CLASS 1 C2 - SAFETY-RELATED; ISI CLASS 2 C3 - SAFETY-RELATED; ISI CLASS 3 NSR - NON-SAFETY-RELATED INSIDE SHIELD WALL DESIGN CLASS.

I/1 DENOTES EQUIPMENT QA TYPE/

A-2 XH-1-40 D-7 NF-39248 B-8 XH-1001-7 XH-1 RC SYSTEM FLOW DIA. UNIT 1 XH-1 RH SYSTEM FLOW DIA. UNIT 1 XH-1 VC SYSTEM FLOW DIA. UNIT 1 XH-1 VC SYSTEM FLOW DIA. UNIT 1 & 2 XH-1 SI SYSTEM FLOW DIA. UNIT 1 XH-1001 RC SYSTEM FLOW DIA. UNIT 2 XH-1001 SI SYSTEM FLOW DIA. UNIT 2 XH-1001 SI SYSTEM FLOW DIA. UNIT 2 XH-1001 RH SYSTEM FLOW DIA. UNIT 2 NF-39217 CL SYSTEM FLOW DIA. UNIT 2 NF-39217 CL STSTEM FLOW DIA. UNIT 2 NF-39238 - SM SYSTEM FLOW DIA. UNIT 1 & 2 NF-39247 - CG SYSTEM FLOW DIA. UNIT 1 & 2 NF-39248 - MD SYSTEM FLOW DIA. UNIT 1 & 2 NF-39249 - WL SYSTEM FLOW DIA. UNIT 1 & 2 XH-1-123 - WL SYSTEM FLOW DIA. UNIT 1 & 2 NON-CODE CLASS SR - SAFETY-RELATED FLUID BOUNDARY; NF-39221 - CD SYSTEM FLOW DIA. UNIT 2 NF-39234 - TD SYSTEM FLOW DIA. UNIT 2 NF-39225 - BL SYSTEM FLOW DIA. UNIT 2 F-12 NF-39247 A-7 NF-39217-2 CV-31673 B-6 NF-39217-2 31340 CV NF-88740 - SB SYSTEM FLOW DIA. UNIT 1 & 2 11599 PI 31534 CV (III/3)HUT PMP SGB 21 (III/3)HUT PMP SGB 22 GALS 10,000 21 (III/3)HUTS SGB GALS 10,000 22 (III/3)EXGR FILTER SGB ION 21 HUT SGB 21 HUT SGB 22 STEAM GENERATOR BLOWDOWN UNIT #2 CONT PMP SGB HUT 21 & 22 (III/3)SGB HX 22 (III/3)SGB HX 21 (III/3)TANK FLASH SGB 21 (III/3)DRAIN FILTER REACTOR COOLANT 21 UNIT NO. 1 VALVE STEM LEAK-OFF REACTOR BUILDING RELIEF TANK PRESSURIZER RELIEF TANK PRESSURIZER BLDG SMP TURBINE UNIT 2 MANUAL XH-69-8 SAMPLER SEE TECH UNIT 2 COMPOSITE UNIT NO.2 VALVE STEM LEAK-OFF REACTOR BUILDING SG 21 SG 22 29023 MONITOR SGB RAD 21 39511 CV (III/3)PUMP SGB TRANSFER 21 2SB-19-1 39510 CV 58350 DSPL GRPH 58350 DSPL GRPH 2-8001A 2RC-2-1 2PCV-431B 2PCV-431A 1HCV-123 49623 CS 49669 CS G-4 XH-1001-6 E-7 NF-39234 31607 CV LC-26857 CONT FROM B-10 NF-88740 REFERENCE DWGS MANUAL C PROCEDURE CHECKLIST.

FOR VALVE POSITIONS SEE OPS 1.2-2 S B-15 19 2RE G-2 XH-1-31 D-5 XH-1-7 F-10 XH-1-7 G-4 XH-1-44 H-2 XH-1-31 RWST 21 REVERSE OSMOSIS FROM V 084 58110 11671 PI 11672 PI 7. S-DENOTES SAMPLE CONN.

8. P-DENOTES PURGE CONN.

F-10 NF-88740 9. DENOTES CONTAINMENT PEN NUMBER G-3 XH-1001-3 G-1 XH-1001-8 F-11 XH-1001-3 D-5 XH-1001-3 D-5 XH-1001-3 H-1 XH-1001-8 E-5 XH-1-7 G-2 XH-1-7 C-4 XH-1-38 E-2 XH-1-31 CLASSED AS NON-SAFETY-RELATED.

DOWNSTREAM ITEMS (e.g., PIPE, CAPS, ETC.)

STOP AT VENT AND DRAIN VALVES WITH UNLESS OTHERWISE SHOWN, CLASS BOUNDARIES 39088 CV 31615 CV 11547 PI 2SB-21-4 2SB-21-3 SEE NOTE 10 SEE NOTE 10

10. SHELL SIDE C2 TUBE SIDE C1.

D-7 NF-39249#11 & #12 TO SGB HU TNKS B-5 NF-39217-1 TO CL RETURN E-11 XH-1-123 TO RC DRN TNK PMPS E-1 XH-1-123 TO RC DRN TNK PMPS F-7 XH-1-123 (INSIDE CNTMT)

TNK PMPS (U2)

FROM RC DRN F-8 NF-39234 MAIN CDSR D-3 NF-39225 TO ATMOS TO FWH VNT IB QA TYPE CLASS BREAK IC C3 IA,IB,IC,IIA,IIB & III DENOTES PIPING QA TYPES NF-39238 A-11 (SM-236)TO HOT SMPL RM A-11 NF-39238 (SM-235)TO HOT SMPL RM D-11 NF-39225 TO FWH #23A

6. ALL PIPING TO BE QA TYPE III UNLESS OTHERWISE NOTED.

1-2 S B-8 11526 PI 16" V 2SB-20-2 2" FE 27112-2 S B-1 2SB-13-2 2-2 S B-1 2-2 S B-1 2" 2" 58115 LM 083 58110 LEVEL LOW LEVEL HIGH LEVEL HIGH LEVEL LOW 2LA-18-7 12285 TI 01 43527 CS 0605 47511 A SV-37509 39509 CV 2LA-2-97 F-12 NF-39247 1-WL-103 28405 FM 18405 FS LANDLOCK DRAINAGE ALT DISCH TO IB III IB III 073 58110 TEMP HI 17711 TS A 53100 029 A 53100 017 2SB-16-4 CONT CONT CV-31615 CV-39088 CONT C2 NSR C2 NSR C1 C2 C1 C2 C1 C2 C1 1-8701B C2 C1 C2 C1 C2 C1 C1 C1 C1 C1 C2 C1 C1 C1 C1 C1 C1 C2 C2 C1 DWN: JEK 1-18-10 CHK'D: DB 2-16-10 AS BUILT-79 MOD#: EC-14551 ADD SAFETY CLASS DESIGNATIONS FOR VALVE STEM LEAKOFF MAIN LINES.

04NS15 PER DRR PI-09-234 APP'D: CMR 2-16-10 DWN: DB 2-24-12 CHK'D: AP 2-29-12 AS BUILT-80 MOD#: EC-19084 REV'D LOCATION OF VENT VALVE 2WL-31-50 DOWNSTREAM OF 2WL-46-4

@ LOC D-10.

PER DRR PI-12-030 APP'D: CMR 2-29-12 DWN: LAB 5-22-12 CHK'D: AP 5-25-12 AS BUILT-81 MOD#: EC-17061 ADDED VALVE 2SB-15-9 TO SB CHEMISTRY SAMPLE LINE

-2SB-34.

PER DRR PI-12-110 APP'D: CMR 5-29-12 2SB-15-9 DWN: DB 10-26-12 CHK'D: AP 10-30-12 AS BUILT-82 MOD#: EC-20471 DELETED LEAK OFF LINE FOR MV-32066, LINE NOS.

-WL-102, 103, RDCR & VLV WL-53-13. ADDED CAPS.

PER DRR PI-12-196 APP'D: CMR 10-31-12 DWN: JEK 11-12-12 CHK'D: AP 11-13-12 AS BUILT-83 MOD#: EC-20976 ADDED CAPS TO MV-32164 LEAKOFF LINE THAT WERE MISSED ON REV 76.

PER DRR PI-12-213 APP'D: CMR 11-15-12 "87" ATMOS TO D-10 NF-39221 D-10 NF-39221 CHK'D: AP 7-29-13 AS BUILT-84 REV'D PIPE ROUTE TO/FROM 22 SGB HX SWITCHING 16" PER DRR PI-13-108 APP'D: CMR 7-30-13 DWN: DB 7-23-13 MOD#: EC-21898 17669 DPI 11605 PI 074 58110 24190 L 18839 LI 58116 LM CONN SAMPLE GRAB SEAL WTR OUT HX 11 EXCESS LETDOWN 1-8701A DETAIL AT RIGHT ALARM PIPING SEE FOR LEVEL CONTROL NOTE: CV 31520 CV 31607 CONT (LOOP "A")

HEAT OUT RESIDUAL LEG LOOP B SCOOP COLD SPRAY LINE 2-8702B (LOOP"B")HEAT OUT RESIDUAL 2-8803B 2-8703 2-8701A LEG LOOP "A" SCOOP COLD SPRAY LINE (LOOP B)HEAT OUT RESIDUAL LEG LOOP "B" SCOOP COLD SPRAY LINE (TYP)-" GLOBE SS 1-8001-A PCV-431B 1-8001-B RC-2-2 COLD LEG LOOP "A" SPRAY LINE SCOOP PCV-431A (LOOP A)HEAT OUT RESIDUAL 1-8702A 1-8803B 1-8703 1-8803A 27111 FE 23155 F 39513 CV 39514 CV 39512 CV 072 58110 16692 LA LEVEL HIGH 26857 LC 082 58110 16693 LA 0605 47511 A ATMOS 12283 TI 26394 TC 31533 CV 31596 CV 31594 CV 31597 CV 11598 PI 31595 CV 31593 CV 03 43527 CS 31611 CV 31520 CV BY-PASS VALVE SV MANUAL 24189 L 18838 LI 58350 DSPL GRPH 27192 FE 27191 FE C-4 NF-39249 E-7 NF-39248 G-2 XH-1001-8 E-1 XH-1001-8 H-1 XH-1-31 G-4 XH-1-44 G-2 XH-1-31 LN TO SHELL INLET/OUTLET

& 2",4" TO TUBE INLET/

TO TUBE SIDE.

OUTLET. RELOC VENT/DRN DWN: LAB 2-5-14 CHK'D: TLL 2-5-14 AS BUILT-85 MOD#: EC-16807 REMOVED STEAM GEN BLOWDOWN DRAIN LINES 1-2SB-1 & 1-2SB-2 & ASSOC VALVES 2SB-2-1 & 2SB-2-2.

PER DRR PI-14-036 APP'D: CMR 2-5-14 DWN: JEK 5-13-16 CHK'D: PMB 5-20-16 AS BUILT-86 MOD#: EC-23444 ADDED VALVE 2SB-28-4 AND 3"x1" REDUCER.

PER DRR PI-16-142 APP'D: DB 5-20-16 2SB-28-4 1" DWN: DPB 8-18-16 CHK'D: RSA 8-23-16 AS BUILT-87 MOD#: EC-17185 REMOVE STRAINER, CAP BOTH ENDS WITH BLANK FLANGES.

PER DRR PI-12-223 APP'D: DB 8-23-16 REVISIONS A B C D E F H$$$$$$$$$DESIGNFIL$$$$$$$$$

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REV DWN DATE CHECKED PROJECT NO.

APP'D & CERT.

MDZ 4-16-07 NONE FILMED RED WING, MINNESOTA 1 2 3 4 SIGNIFICANT NO.

GROUP 8630 100 5 6 4400 4212 CL 1 SCALE PRAIRIE ISLAND NUCLEAR GENERATING PLANT

NORTHERN STATES POWER COMPANY 87 39250 NF-39250 N F-NSP GENERATION CAD NF-39250.DGN FLOW DIAGRAM LIQUID WASTE DISPOSAL SGB SYSTEM UNITS 1 & 2 A B C D E F H G 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 12 This map / document is a tool 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.

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