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LaSalle, Unit 1 - Final Integrated Plan Document - Mitigating Strategies NRC Order EA-12-049, Figures 2 Through 15
	ML18130A753
Person / Time
Site:	LaSalle
Issue date:	05/09/2018
From:	; Exelon Generation Co
To:	; Office of Nuclear Reactor Regulation
Shared Package
ML18130A750	List: ML18130A751; ML18130A752; RS-18-037, Final Integrated Plan Document - Mitigating Strategies NRC Order EA-12-049, Figures 2 Through 15;
References
	EA-12-049, RS-18-037
	Download: ML18130A753 (14)
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LaSalle County Nuclear Station Final Integrated Plan Document - Mitigating Strategies NRC Order EA-12-049 Page 75 of 88 Figure 2 FLEX Water Supply Strategy Connections FLEX BUILDING NUMBER 23FLEX PDDP WILL BE REMOVED FROM BUILDING PRIOR TO OPERATIONPortable Distribution HeaderTEN (10) INCH UNDERGROUND PIPINGTEN (10) INCH HOSEUNIT TWO REACTOR BUILDING - 710' elePENETRATION WITH OPENINGSSIX (6) Inch HosePDDP"B" FC EMU LINE (Primary)"A" FC EMU LINE (Alternate)DG AISLEUNIT TWO REACTOR BUILDING - 740' eleUNIT TWO REACTOR BUILDING - 761' ele"B" RHR DW Spray Line (Primary)"A" RHR DW Spray Line (Alternate)UNIT TWO REACTOR BUILDING - 673' elePDDPCONNECTION POINTFLEX PDDP WILL BE LOCATEDPDDP DISCHARGE (10 INCH FLEXIBLE HOSE) TYPICALONE (1) INCH HOSE FOR FREEZE PROTECTION ROUTED TO OUTSIDE BUILDING

ON THE ROADWAY LEADING FROM BUILDING 23 CLOSE TO THE ULTIMATE HEAT SINK (UHS) WHERE IT WILL TAKE ITS SUCTION

IN THE EVENT OF A FLOOD, LOCATED ON A SLOPING DRIVEWAY CLOSER TO BUILDING 23, TAKING A SUCTION FROM AN 'OPEN AREA INLET' NEAR THE PAD WHERE THE PDDP IS LOCATED

PDDP SUCTION HEAD IS PROVIDED BY TWO (2) HYDRAULICALLY DRIVEN SUCTION PUMPS WITH STRAINERS ATTACHED. THESE SUCTION PUMPS WILL BE PLACED IN THE UHS OR IN THE EVENT OF A FLOOD, FROM AN 'OPEN AREA INLET' NEAR THE PAD WHERE THE PDDP IS LOCATED6' x 6' PROTECTED HYDRANTSI S F S I R O A DVisioDocument2E12-F016B B DW SPRAY2E12-F016A A DW SPRAY MMMMMMMM2E12-F017B B DW SPRAY2E12-F017A A DW SPRAYUNIT ONE REACTOR BUILDING - 710' elePENETRATION WITH OPENINGS"B" FC EMU LINE (Primary)"A" FC EMU LINE (Alternate)DG AISLEUNIT ONE REACTOR BUILDING - 740' eleUNIT ONE REACTOR BUILDING - 761' ele"B" RHR DW Spray Line (Primary)"A" RHR DW Spray Line (Alternate)UNIT ONE REACTOR BUILDING - 673' eleONE (1) INCH HOSE FOR FREEZE PROTECTION ROUTED TO OUTSIDE BUILDING1E12-F016B B DW SPRAY1E12-F016A A DW SPRAY MMMMMMMM1E12-F017B B DW SPRAY1E12-F017A A DW SPRAYCONNECTION POINTSIX (6) Inch HoseFLEX HYDRANT #1FLEX HYDRANT #2PDDP LaSalle County Nuclear Station Final Integrated Plan Document - Mitigating Strategies NRC Order EA-12-049 Page 76 of 88 Figure 3 FLEX Unit 1 RPV Make-up (Unit 2 is similar) 1E12-F053B SDC RETURN MMPRIMARY PATHUNIT 1 RPVUNIT ONE REACTOR PRESSURE VESSEL MAKEUP MM1E12-F042B B LPCI INJALTERNATE PATH1E12-F053A SDC RETURN MMMM1E12-F042A A LPCI INJ"A" RHR DW Spray Line (Alternate)"B" RHR DW Spray Line (Primary)1E12-F016B B DW SPRAY1E12-F016A A DW SPRAY MMMMMMMM1E12-F017B B DW SPRAY1E12-F017A B DW SPRAYVisioDocument

LaSalle County Nuclear Station Final Integrated Plan Document - Mitigating Strategies NRC Order EA-12-049 Page 77 of 88 Figure 4 FLEX Unit 1 Suppression Pool Make-up (Unit 2 is similar) 1E21-F027A SP SPRAY1E12-F027B SP SPRAYUNIT ONE SUPPRESSION POOL MMMMPRIMARY PATHALTERNATE PATH(PREFERRED PRIMARY PATH)(PREFERRED ALTERNATE PATH)

MM1E21-F024A 'A' RHR FULL FLOW TEST MM1E21-F024B 'B' RHR FULL FLOW TESTSUPPRESSION POOL MAKEUPVisioDocument"A" RHR DW Spray Line (Alternate)"B" RHR DW Spray Line (Primary)1E12-F016B B DW SPRAY1E12-F016A A DW SPRAY MMMMMMMM1E12-F017B B DW SPRAY1E12-F017A B DW SPRAY

LaSalle County Nuclear Station Final Integrated Plan Document - Mitigating Strategies NRC Order EA-12-049 Page 78 of 88 Figure 5 FLEX SFP Make-up SPENT FUEL POOL - UNIT ONESPENT FUEL POOL - UNIT TWO FUEL PO OL GATE SSFP Spray - Oscillating Spray Monitor(OPTIONAL) HOSEFUEL POOL GATES NORMALLY REMOVEDVisioDocument2FC050B (Primary source)2FC050A (Alternate source)1FC050B (Primary source)1FC050A (Alternate source)HOSESPENT FUEL POOL MAKEUPHOSEHOSE

LaSalle County Nuclear Station Final Integrated Plan Document - Mitigating Strategies NRC Order EA-12-049 Page 80 of 88 Figure 7 FLEX Electrical Deployment LaSalle County Nuclear Station Final Integrated Plan Document - Mitigating Strategies NRC Order EA-12-049 Page 81 of 88 Figure 8

LaSalle County Nuclear Station Final Integrated Plan Document - Mitigating Strategies NRC Order EA-12-049 Page 83 of 88 Figure 10

LaSalle County Nuclear Station Final Integrated Plan Document - Mitigating Strategies NRC Order EA-12-049 Page 85 of 88 Figure 12

LaSalle County Nuclear Station Final Integrated Plan Document - Mitigating Strategies NRC Order EA-12-049 Page 86 of 88 Figure 13

LaSalle County Nuclear Station Final Integrated Plan Document - Mitigating Strategies NRC Order EA-12-049 Page 87 of 88 Figure 14 SAFER and Site Responsibilities Flowchart

LaSalle County Nuclear Station Final Integrated Plan Document - Mitigating Strategies NRC Order EA-12-049 Page 88 of 88 Figure 15 Generic SAFER and Site FLEX Phase 3 Timeline

LaSalle County Nuclear Station Final Integrated Plan Document - Mitigating Strategies NRC Order EA-12-049 Page 75 of 88 Figure 2 FLEX Water Supply Strategy Connections FLEX BUILDING NUMBER 23FLEX PDDP WILL BE REMOVED FROM BUILDING PRIOR TO OPERATIONPortable Distribution HeaderTEN (10) INCH UNDERGROUND PIPINGTEN (10) INCH HOSEUNIT TWO REACTOR BUILDING - 710' elePENETRATION WITH OPENINGSSIX (6) Inch HosePDDP"B" FC EMU LINE (Primary)"A" FC EMU LINE (Alternate)DG AISLEUNIT TWO REACTOR BUILDING - 740' eleUNIT TWO REACTOR BUILDING - 761' ele"B" RHR DW Spray Line (Primary)"A" RHR DW Spray Line (Alternate)UNIT TWO REACTOR BUILDING - 673' elePDDPCONNECTION POINTFLEX PDDP WILL BE LOCATEDPDDP DISCHARGE (10 INCH FLEXIBLE HOSE) TYPICALONE (1) INCH HOSE FOR FREEZE PROTECTION ROUTED TO OUTSIDE BUILDING

ON THE ROADWAY LEADING FROM BUILDING 23 CLOSE TO THE ULTIMATE HEAT SINK (UHS) WHERE IT WILL TAKE ITS SUCTION

IN THE EVENT OF A FLOOD, LOCATED ON A SLOPING DRIVEWAY CLOSER TO BUILDING 23, TAKING A SUCTION FROM AN 'OPEN AREA INLET' NEAR THE PAD WHERE THE PDDP IS LOCATED

PDDP SUCTION HEAD IS PROVIDED BY TWO (2) HYDRAULICALLY DRIVEN SUCTION PUMPS WITH STRAINERS ATTACHED. THESE SUCTION PUMPS WILL BE PLACED IN THE UHS OR IN THE EVENT OF A FLOOD, FROM AN 'OPEN AREA INLET' NEAR THE PAD WHERE THE PDDP IS LOCATED6' x 6' PROTECTED HYDRANTSI S F S I R O A DVisioDocument2E12-F016B B DW SPRAY2E12-F016A A DW SPRAY MMMMMMMM2E12-F017B B DW SPRAY2E12-F017A A DW SPRAYUNIT ONE REACTOR BUILDING - 710' elePENETRATION WITH OPENINGS"B" FC EMU LINE (Primary)"A" FC EMU LINE (Alternate)DG AISLEUNIT ONE REACTOR BUILDING - 740' eleUNIT ONE REACTOR BUILDING - 761' ele"B" RHR DW Spray Line (Primary)"A" RHR DW Spray Line (Alternate)UNIT ONE REACTOR BUILDING - 673' eleONE (1) INCH HOSE FOR FREEZE PROTECTION ROUTED TO OUTSIDE BUILDING1E12-F016B B DW SPRAY1E12-F016A A DW SPRAY MMMMMMMM1E12-F017B B DW SPRAY1E12-F017A A DW SPRAYCONNECTION POINTSIX (6) Inch HoseFLEX HYDRANT #1FLEX HYDRANT #2PDDP LaSalle County Nuclear Station Final Integrated Plan Document - Mitigating Strategies NRC Order EA-12-049 Page 76 of 88 Figure 3 FLEX Unit 1 RPV Make-up (Unit 2 is similar) 1E12-F053B SDC RETURN MMPRIMARY PATHUNIT 1 RPVUNIT ONE REACTOR PRESSURE VESSEL MAKEUP MM1E12-F042B B LPCI INJALTERNATE PATH1E12-F053A SDC RETURN MMMM1E12-F042A A LPCI INJ"A" RHR DW Spray Line (Alternate)"B" RHR DW Spray Line (Primary)1E12-F016B B DW SPRAY1E12-F016A A DW SPRAY MMMMMMMM1E12-F017B B DW SPRAY1E12-F017A B DW SPRAYVisioDocument