ML22278A757

Rev. 21 to Updated Final Safety Analysis Report, Drawing M-87, Rev. 42, Sheet 4, P&ID Drywell Chilled Water (Unit 1)

ML22278A757
Person / Time
Site:	Limerick
Issue date:	09/19/2022
From:	Constellation Energy Generation
To:	Office of Nuclear Reactor Regulation
Shared Package
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Download: ML22278A757 (1)

Text

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.... 7 (SH.58,2) l.c-87 ISH.58.2)

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VENT r.i DRYWELL UNIT COOLER 1CV212 7

PRIMARY CONTAINMENT INSTRlJr.ENT GAS 6

6 1

DRYWELL EQUIPMENT DR:Alfrf TANK lrH;J 5

2'HB0-316 DRYWELL EQUIPMENT DRAIN SUMP COOLING COIL 10E203 5

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REFUELING FLOOR SUPPLY AIR COOLING ASSEMBLY 10E271 REACTOR ENCLOSURE VENTILATION

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_J l!DUIPMENT ROOM I I I

!REACTOR ENCLOSURE _

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CSH.1 £;.6)

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a-..ec-189 y..s(S

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2 TO & FROM REACTOR ENCLOSURE COOUNO WATER SYSTEM 2

2. MOUNTED AT HV-87-1SOA

3. MOUNTED AT HV-81-151A

4. MOUNTED AT HV-87-1508

5. MOUNTED i\T HV-81-1518

6. MOUNTED AT HV-87-140A

1. MOUNTED AT HV-81-1408

8. EXTENSION STEM WITH FLOOR STAND.

9. A COMMON THOUBLE ALARM IS PROVIDED IH CONTROL ROOM PANEL IBCB02 F'OR EACH OF THE EXCESS FLOW Cl£CK VALVE LOCAL PANELS C227 AND C228. EACH ALARM IS INITJATED BY CLOSURE OF ANY OF THE EXCESS FLOW CHECK VALVES ASSOCIATED WITH THE LOCAL PNE..

11. DESIGH.FABRICAnoN.MATERIAL PROCUREMENT.ERECTION AND TESTING FOR ALL PIPING, VALVES AND EQUJPllENT SHOWN WITHIN THE SYMBOL t +---- NOTE 11> ON THIS PllO, MAY BE IN ACCORDANCE WITM Tl£ REQUIREMENTS OF THE PIPING CLASS 0£SIGNATIDN. DESIGN CODE "D" WITH FDLLDWING EXCEPTIONS:

aJ CLEANING REQUIREMENTS SHALL BE PEA THE ORIGINAL LINE CLASS D£SlGNATION, b.) WELDING PROCEDURES TO BE USED SHAU BE AS REOU!RfD PER Tl£ ORIGIMAL LINE CLASS DESIGNATION.

12.

THE EXCESS FLOW CHECIC. VALVE INTERNAL BYPASS IS TO BE LOCKED CLOSED PER LOCKED VALVE - LISTING; PECO ADMINlSTRATION PROCrntJRE A--B.

13. BALANCING \IALVE WITH TWO BUILT-IN CHECK VALVES Ate PRESSURE GAGE CONNECTIONS.

14. CONTAIMIENT ISOLATJQN SIGNAL HAS BEEN REMOVED FDR HV-124A.HV-1248,HV-125A.&. HV-1258.

15.

HV-124A.HV-124B,HV-125~&. HV-1258 ARE ADMIHISTRATIVELY CONTRDLLED IN THE CLOSED POSITION. AS A RESULT THEY ARE TREATED AS LOCKED CLOSED VALVES.

16. COILS 10.IE & 1F'-E27<1 ARE BLANICEO OFF AND ARE NOT IN SERVICE.

INCORP. ECR 06-00436 REV. 0.

ADDED ZY-145 TO TV-C-1<15 AND ZY-146 TO TV-C-146.

[G&H,3l.

INCORP. ECR 05-00024 REV. 0 PER WO C0212651.

ADDED NOTE 16 TO IE-£274. [G,3l.

REVISED NOTE 16.

lNCORP. ECR 03-00304 REV. 0. ADDED NOTE 16 TO ID & F-E274. REMOVED NOTE 16 FROM; 1C-E2T4.tG,3J.

REVISED NOTE 16.

DESCRIPTION TABLE OF AOOlTIONS &. CHANGES USE ONLY PRINTS SHOWING LATEST DATE MECHANICAL P~ID DRYWELL CHILLED WATER H

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c CUNIT 1) t-~~~-UMER---~I~"""":-:GENER::::-::~A~T~ING:=----::S~TA~T~W~N~~~-tA EXELON NUCLEAR CORP.

NONE BECHTEL BECHTEL BECHTEL BEcifilL. BECH BECH

-11111 APPROVED BECHTEL SHEET 4 OF 8031-M-87 42