Text

Responds to NRC Generic Ltr 88-01, NRC Position on IGSCC in BWR Austenitic Stainless Steel Piping
	ML20207D772
Person / Time
Site:	Limerick
Issue date:	08/02/1988
From:	Kowalski S; PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:	Miraglia F; Office of Nuclear Reactor Regulation
References
	GL-88-01, GL-88-1, NUDOCS 8808160033
	Download: ML20207D772 (80)
	v • d • e

_

l r HILADELPHIA ELECTRIC COMPANY 2

2301 M ARKET STREET P.O. BOX 8699 PHILADELPHIA. PA.19101 (zis) esi 4sor GL 88-01 S. J. KOW ALSKI

.25I.7)I.'.l.".I.

August 2, 1988 Docket Hos. 50-352 50-353 Mr. Frank J. Miraglia, Jr.

Associate Director for Projects Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555

Subject:

Response to NRC Generic Letter 88-01 "NRC Position on IGSCC in BWR Austenitic Stainless Steel Piping" for Limerick Generating Station

Dear Mr. Miraglia:

The subject Generic Letter which was received February 2, 1988, requires that all licensees and construction permit holders furnish to the NRC current plans relating i

to pipe replacement, inspection, repair, and leakage detection, and to indicate if the licensee intends to follow the staff positions on Intergranular Stress Corrosion Cracking (IGSCC) which are addressed in the subject Generic Letter, or to propose alternative measures. The technical bases for the staff positions are detailed in NI! REG 0313, Revision 2.

The Generic Letter delineated five items to be included in the response.

These items are restated along with the Philadelphia Electric Company (PECo) response to each of these items. Additionally, the response is prefaced by a detailed description of the Limerick components within the scope of Generic Letter 88-01.

If you have any questions or require additional information, please do not hesitate to contact us.

Very truly your,

cc:

Addrassee A

I W. T. Russell, Administrator, Region I, USNRC fl l

T. J. Kenny, USNRC Senior Resident inspector l

R. J. Clark, USNRC Project Manager I

l R. A. Gramm, USNRC Senior Resident Inspector 8308160033 880802 I

PDR ADOCK 05000352 P

PDC

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'Mr.' Frank'J Miragl'ia, Jr.

August 2, 1988 Page 2 bcc:. C. A. McNeill, Jr. - S26-1 J. S. Kemper --S25-1 E. P. Fogarty - S7-1

'E. J. Bradley - S23-1 D. R..Helwig - S7-1 G. M. Leitch - LGS

-M. J. McCormick - LGS C. R. Endriss

-LGS A. J. Marie - N2-1 P. A. Tutton - N2-1 T. C. Hinkle - Oregon Shops W. M. Alden/MCK - S7-1 J. T. Robb/ISED - S7-1 Commitment Coordinator DAC l

COPY PHILADELPHIA ELECTRIC COMPANY 230i1 M ARKET STREET P.O. BCD( 8699 PHILADELPHI A. PA.19101 (zis) e414soa GL 88-01 S. J KOWALSKl

.Jd*.I.'7EI.337.I.

August 2, 1988 Docket Nos. 50-352 50-353 Mr. Frank J. Miraglia, Jr.

Associate Director for Projects Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555

Subject:

Response to NRC Generic Letter 88-01 "NRC Position on IGSCC in BWR Austenitic Stainless Steel Piping" for Limerick Generating Station

Dear Mr. Miraglia:

The subject Generic Letter which was received February 2, 1988, requires that all licensees and construction permit holders furnish to the NRC current plans relating to pipe replacement, inspection, repair, and leakage detection, and to indicate if the licensee intends to follow the staff positions on Intergranular Stress Corrosion Cracking (IGSCC) which are addressed in the subject Ger.eric Letter, or to propose alternative measures. The technical bases for the staff positions are detailed in NUREG 0313, Revision 2.

The Generic Letter delineated five items to be included in the response. These items are restated along with the Philadelphia Electric Company (PECo) response to each of these items. Additionally, the response is prefaced by a detailed description of the Limerick components within the scope of Generic Letter 88-01.

If you have any questions or require additional information, please do not hesitate to contact us.

Very truly yours, d

MCK:lc cc:

Addressee W. T. Russell, Administrator, Region 1. USNRC T. J. Kenny, USHRC Senior Resident Inspector R. J. Clark, USNRC Project Manager R. A. Gramm, USNRC Senior Resident inspector

u

.s.

Mr. Frank J. Miraglia, Jr.-

August 2, 1988 Page'2

'bcc: 'C. A.~McNeill, Jr. - S26-1 J. S. Kemper - 525-1 E. P.-Fogarty - S7 E.fd. Bradley S23-1 0.'R. Helwig - S7-1 G. M. Leitch - LGS M. J. McCormick - LGS C. R. Endriss - LGS A. J. Marie - N2-1

-P. A. Tutton - N2-1

.l. 1:. Hinkle - Oregon Shops W. M. Alden/MCK - S7-1 J. T. Robb/ISED - S7-1 Commitment Coordinator DAC l

l i

l l

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(

t COMMONWEALTH OF PENNSYLVANIA ss.

COUNTY OF PHILADELPHIA IS. J. Kowalski, being first duly sworn, deposes and says:

That he is Vice President of Philadelphia Electric Company, the Applicant herein; that he has read the forencing response to Generic Letter 88-01 and knows the contents thereof; and that the statements and matters set forth therein are true and correct to the best of his knowledge, information and belief.

i, Vice President

~ Subscribed and sworn to before me this2^ day

~

of Id 1988 W

(

/

Notary:Public MELANIE-R. CAMPANELLA Notary Public. Phthfelphis. PMadelphia Co.

My Commission Exp:res Februsey 12,1990

i Attachment Page 1 of 16 RESPONSE TO NRC GENERIC LETTER 88-01 LIMERICK GENERATING STATION 50-352/353 DESCRIPTION OF THE LIMERICK COMPONENTS WITHIN THE SCOPE OF NRC GENERIC LETTER 88-01 NRC Generic Letter 88-01 applies to piping system portions that meet the following criteria:

o austenitic stainless steel, o

four inches or larger in nominal diameter, and 0

o contain reactor coolant at a temperature above 200 F during power operation.

The following piping systems have portions which meet these criteria and are therefore within the scope.of-NRC Generic Letter 88-01:

o Reactor Recirculation System o

Residual Heat Removal (RHR) System o

Core Spray System o

Reactor Water Clean-up (RWCU) System o

Reactor Core isolation Cooling (RCIC) System o

Jet Pump Instrumentation System The NRC Generic Letter also applies to reactor pressure vessel (RPV) attachments and appurtenances such as jet pump instrumentation penetration assemblies, and head spray and vent components.

The following reactor vessel attachments and appurtenances have portions which are within the scope of NRC Generic Letter 88-01:

o Reactor Vessel Stainless Steel Safe-Ends The following is a detailed definition of the NRC Generic Letter 88-01 scope for Limerick:

l Reactor Recirculation System (loops A and B)

Reference:

LGS 1 & 2

(

P&lD M-43 sheet 1 o

28" nominal pipe size (NPS) Reactor Recirculation Pumps A and 8 suction piping, l

from the welds joining the RPV N1 nozzle to safe-end welds, through and including piping up to the Recirculation Pump suction nozzle welds.

o 28" NPS Reactor Recirculation Pumps A and B discharge piping, from the pipe to Recirculation Pump discharge nozzle welds, through the 22" NPS headers and

Attachment Page 2 of 15 including the 12" NPS piping, from the headers, to the RPV N2 nozzle to safe-end welds.

o Connections to the 20" NPS RHR piping on the B pump suction piping, and to the 12" NPS RHR piping on the A and 8 pump discharge piping, are also within the scope.

Residual Heat Removal System

Reference:

LGS 1 & 2 i

P&ID's M-51 sheets 1 and 3 l

o 20" NPS RHR supply, from Recirculation Pump 8 suction piping inside of containment, to inboard isolation valve F077 (ref.: line number DCA-105/205).

o 12" NPS RHR return, from valves HV-F050 A and B, to Recirculation Pump discharge lines (ref.: line number DCA-104/204),

o 6" NPS RPV head spray piping (Unit 1 only), from valve F019, to the RPV head spray flange (ref.: line number DCA-103). This piping is tentatively scheduled for removal during the next refueling outage, o

12" NFS RHR LPCI injection, from valves F065 A, B, C, and D, to the RPV and including the RPV nozzle N17 safe-end to pipe welds (ref.: line number DCA-318/418).

Core Spray System

Reference:

LGS 1 & 2 P&ID M-52 sheet 1 o

12" NPS Core Spray sparger supply piping, from inboard valve F007 A and B, up to an including the 10" NPS RPV NS nozzle safe-end to pipe welds (ref.: line number DCA-319, 320/419, 420).

Reactor Water Clean-Up System

Reference:

LGS 1 & 2 P&ID's M-44 sheets 1, 2, 3 and 4 o

6" NPS RWCU pump suction piping inside containment, including the connection at the recirc suction line and primary containment penetration X-14 (ref.: line number DCA-101/201).

o 6" NPS RWCU pump suction piping outside of containment (ref.: line number DCS-102/202,DCC-103/203) o 4" NPS RWCU pump discharge piping, from the 4" x 3" reducers in RWCU pump discharge header, to the tube side inlet of the Non-Regenerative heat exchanger (ref.: line number DCC-101/201).

o RWCU piping from the tube side outlet of the Regenerative heat exchanger to the tube side inlets of the Non-Regenerative heat exchangers (ref,: line number DCC-102/202).

o RWCU return piping from the shell side outlet of the Regenerative heat exchanger to RWCU valve HV-F039 (ref.: line number DCC-104/204, ECC-105/205).

1

Attachment Page 3 of 15 Reactor Core Isolation Cooling System Referencc:

LGS 1 & 2 P&l0's M-49 sheets 1 and 2 o

The welds at the pipe connection to the stainless steel flow element FE-N016 (ref.:

line number DBA-107/207).

Jet Pump Instrumentation System

Reference:

LGS 1 & 2 P&l0's M-42 sheets 1 and 2 o

The circumferential welds greater than 4" NPS between the RPV nozzle N8 and the jet pump instrumentation penetration seal.

Reactor Vessel Stainless Steel Safe-Ends The RPV attachments and appurtenances within the scope of this response are limited to stainless safe-ends attached to RPV nozzles.

o The stainless steel safe-ends and the nozzle to safe-end welds for RPV nozzles N1,.R2, N5, N8, N9, N10, Nil,'R12, N16, and N17.

m

Attachment Page 4 oi 15 RESPONSE 10 ITEMS IN NRC GENERIC LETTER 88-01 ITEM 1 0F NRC GENERIC LETTER 88-01 "Your current plans regarding pipe replacement and/or other measures taken or to be taken to mitigate IGSCC and provide long term assurance of continued long term piping integrity and reliability."

RESPONSE TO ITEM 1 Plans Regarding Piping Replacement The focus of the IGSCC mitigation prngram at timerick has been tc mini ize the amount of susceptible piping originally placed in the plant. Th'i appr.'ach has obviated the need for any large scale replacement effort. Witn 11y thre' exceptions, the materials used in the Limerick Generating Statio are resiswant due to their chemical composition. Additionally, all nf the longitt inal seas welos in the resistant piping have been solution heat treated. The excep. ions to the use 01 resistant material are:

o

.certain welds involving RPV safe-ends, '

o Two welds involving a flow element in the RCIC system, o

and Unit 1 RWCU welds teyond the outer containment isolation valve.

These non-resistant welds are discussed in tiie resporse to Item 2 of the Generic letter.

Current IGSCC Mitigation Efforts Current mitigation measures include water chemistry control, inspections, and leakage detection. The PECo BWR water chemistry control program is detailed in Rev.

O of Philadelphia Electric Company's "BWR Water Chemistry Control Program", dated December 11, 1987. The water chemistry control requirements in this program are in accordance with the CWR Owners' Group and Elctiric Power Research Institute (EPRI)

Water Chemistry Guidelines, existing General Liectric Chemistry recommendations and INP0 recommendations.

Details concerning the augmented nstection program and leakage detection prcgram are discussed in this response under their applicable NRC Generic Letter 88-01 item numbers.

Future Actions to be Taken For the few welds at Limerick which are not Category A, stress improvement anc replacement are options that ilmain open at this time.

The RHR head spray piping at Unit 1 is being considered for permanent removal. This removal is tentatively scheduled for the next refueling outage.

0 e

Attachment Page 5 of 15 ITEM 2 0F HRC GENERIC LET'i2R 88-01 "An Inservice Inspection (ISI) Program to be implemented at the next refueling outage for austenitic stainless steel piping covered under the scope of this letter tha; conforms to the staff positions on inspection schedules, methods and personnel, and sample e..pansion included in this letter."

AESPONSE TO ITEM 2 Augmented ISI Plan for detecting IGSCC The Augmented ISI Plan requirements fcr the individual Liraerick Unit 1 and 2 weldments within the scope of this NRC Generic Letter are given as Appendices A and B of this document for LGS 1 & 2 respectively. These requirements will be integrated with the Inservice Inspection Program to be implemented at the next refuel;ng cutage. The information provided for each weld in the appendices includes the system, piping isometric, weld number, cnd the applicable IGSCC Examination C6tegory according to the requirements of Table 1 of the NUREG 0313 Revision 2.

It should be noted that since Limerick Unit 2 is not yet operational, the IGSCC Classification of all Unit 2 welds is preliminary only. The IGSCC welds which are not Category A nay be upgraded to Category-A by stress improvement or replacement.

The preliminary IGSCC Categorization Summaries for all LGS 2 welds within the scope of NRC Generic Letter 88-01 are given as Tables 1, 2, 3, and 4 or this response for item 2 of the Generic Letter.

Inspection Schedules The inspections will be perforned at frequencies which will be in conformance with the Staff Position on Inspection Schedules for the piping welds within tne scope of the NRC Generic Letter 88-01, ihe IGSCC categories for these welds are given in the tables contained in Appendices A and B for LGS 1 and 2.

A weld count summary of these tables is provided for LGS 1 and 2 in Tables 1, 2, 3, and 4 of this response.

The summary indicates t' 9 distribution of welds in each IGSCC Category for the scope systems.

Inspection Methods and Personnel PECo is committed to complying with the NRC Staff positions on inspection methods and personnel as delineated in NRC Generic Letter 88-01. For ultrasonic testing (UT) inspectable ASME Class 1 and 2 welds, the 'IGSCC inspections will generally be performed in accordance with the requirements contained in the applicable edition and addenda of ASME Section XI for the ASME class of the weldment. For UT inspectable A615E Class 3 and non-class welds, the requirements in Section XI for Class 2 welde wi apply. Details of the volumertric examination method may be upgraded as pract. cal to ensure that tne examinations will be effective.

The integrity of ASME Class 1, 2, and 3 welds that are not UT inspectable will be verified by the applicable PSME Section XI pressure test program. The consideration of pressere tests for welds ' hat are not UT inspectable is allowed by Note 3 to Table 1 in NUREG 0313 Revision 2.

The integrity of non-ASME Class welds that are not UT inspectable will be verified by pressure tests in accordance with the requirements of Section XI Article IWB, IWC, or IWD-5000.

Attachment Page 6 of 15 The edition and addenda of ASME Section XI used for determining these requirements will be as dictated by paragraph (g) of 10 CFR 50.55a. The personnel performing the IGSCC volumetric inspections will be qualified for such inspections by a formal program approved by the NRC.

Sample Expaision If one or more Category A, B, or C walos are found to be cracked, or if additional cracks or significant crack growth is discovered in a Category E weld during the ISI interval, a sample expansion plan will oc invoked. The sample expansion plan utilized will be as put forth in the Staff Position on Sample Expansion contained in NRC Generic Letter 88-01.

Categorization Summaries The following Tables 1, 2, 3, and 4 provide a system by system summary resulting from the categorization of the weldt.ents within the scope of this response for each unit. This summary is included to facilitate assessment of the Limerick status with regard to IGSCC. Scheduling of the IGSCC examinations for these weldments shall be as specified in Table 1 of NUREG 0313 Rev. 2.

It should be noted that welds which are presently assigned to Category G will be upgraded:to Category D after being UT.inspeeted at the next refuel *ng outage.if they are found to be free of cracking.

TABLE 1: Categorization Summary for LGS 1 Piping Reactor Recirculation Category A Welds:

237 Category B Welds:

O Category C Welds:

0 Category 0 Welds-0 Category E Welds:

O Category F Welds:

O Category G Welds:

2 Total IGSCC Welds:

239 The two Category G welds are the recirculation ot, let nozzle N1 safe-end to pipe welds.

Attachment Page 7-of 15 TABLE 1: Categorization Summary'for LGS 1 Piping ~(Continutd)

Residual Heat Removal Category A Welds:

86*

Category B Welds:

0 Category C Welds:

0 1

Category 0 Welds:

0 Category-E Welds:

0 Category F Welds:

0 Category G Welds:

0 Total IGSCC Welds:

'if6

The four safe-end to pipe welds at the LPCI inlet nozzle N17 involve nickel alloy forgings. NRC Generic Letter 88-01 allows evaluation on a case by case basis.

Core Spray Category-A Welds:

26*

Category B Welds:

0

' Category C Welds:

0

~

Category D Welds:

O Category E Welds:

O Category F Welds:

0 Category G Welds:

0 Total IGSCC Welds:

26

The two safe-end to pipe welds at the H5 inlet nozzle involve nickel alloy forgings. NRC Generic Letter 88-01 allows evaluation on a case by case basis Reactor Water Clean-Up (RHR to outer containment isolationvalve)

Category A Welds:

29 Category B Welds:

O Category C Welds:

0 Category D Welds:

0 Category E Welds:

0 Category F Welds:

0 Category G Welds:

0 Total IGSCC Welds:

29 L

.,..g,.

Attachment Page 8 of 15 TABLE 1: Categorization Summary for LGS 1 Piping (Continued) f Reactor Water Clean-Up (beyond outer containment isoiation valve)

Category A Welds:

0 Category B Welds:

0 Category C Welds:-

0 Category 0 Welds:

0 Category E Welds:

O Category f Welds:

0 Category G Welds:

195*

Total IGSCC Welds:

195

These weldments are constructed of non-resistant base materials and they have not yet been inspected for IGSCC in accordance with the, requirements of NRC Generic Letter 88-01.

Reactor Core isolation Cooling Category A Welds:

O Category B Welds:

O Category C Weids:

0 Category D Welds:

0 Category E Welds:

0 Category F Welds:

0 Category G Welds:

2 Total IGSCC Welds:

2 The two Category G Welds are to a Figh carbon stainless steel flow element.

Jet Pump Instrumentation Category A Welds:

0 Category B Welds:

O Category C Welds:

0 Category D Welds:

4 Category E Welds:

0 Category F Weldu 0

Category G Welds:

0 Total IGSCC Welds:

4 The four Category D welds are the safe-end to seal extension weld and the seal extension to seal weld.

Attachment Page 9 of 15 TABLE 2: Categorization Summary for LGS 1 RPV Attachments (nozzle to safe-end welds)

RPV N0ZZLE NUMBER N1 N2 N5 N8 N9 N10 Nll N12 N16 N17 Category A Welds:

0 0

2 4

4 0

Category B Welds:

0 0

Category C Welds:

0 0

Category 0 Welds:

2 10 2

2 1

0 0

4 Category E Welds:

0 0

Category F Welds:

0 0

-Category G Welds:

0 0

0 1

0 0

Total IGSCC Welds 2

10 2

2 1

1 2

4 4

4 Note: Except for N10, which is not UT inspectable, non resistant RPV nozzle to safe-end welds were assigned to IGSCC Category 0 in lieu of Category G based on the following:

o These welds were examined during preservice inspection (PSI) using the most updated UT techniques available (ref.: procedure LIM-UT-3 vendor print 8031-M-2468-56).

o No cracks were reported during the PSI examinations.

~

o

The Unit 1 ISI. program requires certification in accordance with the EPRI program for IGSCC detection.

TABLE 3: Categorization Summary for LGS 2 Piping Reactor Recirculation Category A Welds:

237 Category B Welds:

0 Category C Welds:

0 Category 0 Welds:

2 Category E Welds:

0 Category F Welds:

O Category G Welds:

0 Total IGSCC Welds:

239 The two Category 0 welds are the recirculation outlet nozzle N1 safe-end to pipe welds. Please see the note following Table 4 for additional clarification.

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r Attachment Page 10 of 15.

TABLE.3: Categorization Surmary for LGS 2 Piping (Continued)

Residual Heat Removal Category A Welds:

78*

Category B Welds:

0

. Category C Welds:-

0 Category'D Welds:

0

-Category E Welds:

0 Category F Welds:

0 Category G Welds:

0 Total IGSCC Welds:

~M

The four safe-end to pipe welds at the LPCI N17 inlet nozzle involve nickel alloy forgings.. NRC Generic Letter 88-01 allows evaluation on a case by case basis.

Core Spray Category A Welds:

24*

Category B Welds:

0 Category C Welds:

0 Category 0 Welds:

0 Category E Welds:

O Category F Welds:

O Category G Welds:

0 Total IGSCC Welds:

24

The two safe-end to pipe welds at the N5 inlet nozzle involve nickel alloy forgings. NRC

. Generic Letter 88-01 allows evaluation on a case by case basis.

Reactor Water Clean-Up (RHR to outer containment isolation valves)

Category A Welds:

47 Category 8 Welds:

0 Category C Welds:

0 Category D Welds:

0 Category E Welds:

0 Category F Welds:

O Category G Welds:

0 Total IGSCC Welds:

47

-Attachment Page 11 of 15 j,

-TABLE 3: Categorization Summary for LGS 2 Piping (Continued)

Reactor Water Clean-Up (beyond outer containment isolation' valve)

Category A Welds:

181 Category B Welds:

O Category C Welds:

0 Category 0 Welds:

O Category E Welds:

O Category T Welds:

0 Category G Welds:

0 Total IGSCC Welds:

T8T Reactor Core Isolation Cooling Category A Welds:

0 Category B Welds:

0 Category C Welds:

0 Category 0 Welds:

2 Category E Welds:

0 Category F Welds:

0 Category G Welds:

_,0

-Total IGSCC Welds:

2 The two Category 0 welds are to a high carbon stainless steel flow element.

Jet Pump Instrumentation Category A Welds:

0 Category B Welds:

3 Category C Welds:

O Category 0 Welds:

4 Category E Welds:

O Category F Welds:

0 Category G Welds:

0 Total IGSCC Welds:

4 The four Category 0 welds are the safe-end to seal extension weld and the seat extensinn to seal weld.

l i

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o -

Attachment Page 12 of 15 TABLE 4: Categorization Summary for LGS 2 RPV Attachments (nozzle to safe-end welds)

RPV N0ZZLE NUMBER HI N2 NS N8 N9 N10 N11 N12 N16 N17 Category A Welds:

2 0

0 2

1 0

2 4

4 0

Category B Welds:

0 0

Category C Weids:

0 0

Category 0 Welds:

0 10 2

0 0

4 Category E Welds:

C 0

0 0

0.

0 0

0 Category F Welds:

0 0

Category G Welds:

0 0

0 1

0 0

Total IGSCC Welds 2

10 2

2 1

1 2

4 4

4 Note: Except for N10, which is not UT inspectable, non resistant RPV nozzle to safe-end welds and N1 safe-eno to pipe welds were assigned to IGSCC Ca+.egory D in lieu of Category G based on the following:

o These welds were examined during PSI in accordance with specification P503A which requires demonstration of detection capability at the EPRI Non destructive Examination (NDE) Center for personnel performing nondestructive examinations.

o:

No crackstwere.: reported:during'the PSitexaminations.

o The Unit.2 ISI program will require examiners to be certified in accordance with the EPRI program for IGSCC detection.

P 1

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Attachment Page 13 of 15 ITEM 3 0F NRC GENERIC LETTER 88-01 "A change to the Technical Specifications to include a statement on ISI that the Inservice Inspection Program for piping covered by the scope of this letter will be in conformance with the staff positions on schedules, inspection methods cnd personnel, and sample expansion included in this letter (see enclosed model BWR Standard Technical Specification).

It is recognized that the Inservice Inspection and Testing section may be removed from the Technical Specifications in the future in line with the Technical Specification Improvement Programs.

In this case, this requirement shall remain with the ISI section when it is included in an alternative document.

RESPONSE TO ITEM 3 Section 4.0.5 of the Limerick Technical Specification contains surveillance requirements.

The following note will be added to Section 4.0.5 in the next application for miscellaneous administrative changes:

"The Inservice Inspection (ISI) Program for piping identified in NRC Generic Letter 88-01 shall be performed in accordance with the staff positions on schedule, methods and personnel, and sample expansion included in NRC Generic Letter 88-01. Details for the implementation of these requirements are included as augmented inspection requirements in the ISI program."

The ISI program for Limerick is described in the FSAR. A revision will be made by February 28, 1989 to the FSAR, Section 5.2.4, (for Class 1 components) and Section 6.6 (for Class 2 & 3 components) by adding the following; "The Inservice Inspection (ISI) Program for weldments in piping identified in accordance with the criteria of HRC Generic Letter 88-01 shall be performed in accordance with the NRC staff positions addressed in this Generic Letter. Details for schedule, methods, personnel, and samole expansion are included as augmented inspection requirements in the ISI program."

r

Attachment Page 14 of 15 ITEM 4 of HRC GENERIC LETTER 88-01 "Confirmation of your plans to ensure that the Technical Specification related to leakage detection will be in conformance with the staff position on leak detection included in this letter."

RESPONSE TO ITEM 4 It is Philadelphia Electric's position that the existing Technical Specifications are in conformance with the staff position on leak detection, and therefore a change to the Technical Specifications is not required. A review of the Limerick Technical Specifications identified in the following:

o The drywell floor drain sump and drywell equipment drain tank monitoring system is designed to meet the intent of Regulatory Guide 1.45 for quantifying

leakage, o

The Technical Specifications require that Reactor Coolant unidentified leakage shall be limited to 5 gpm or the unit will be in hot shutdo.vn within 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months and in cold shutdown within the following 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months .

o The Technical Specification require that Reactor Coolant total leakage be limited to 30 gpm or the unit will be in hot shutdown within 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months and in

. cold shutdown within 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months .

o The Technical Specifications require that the drywell floor drain sump and drywell equipment drain tank flow rate are monitored at least once per 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months .

o The Technical Specifications require that the drywell floor drain sump and drywell equipment drain tank flow monitoring system are required to be operable or the unit will be in hot shatdown within 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months and in cold shutdown within the following 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months , o

In addition, reactor coolant leakage is detected by the primary containment atmosphere gaseous radioactivity monitoring system, the drywell unit coolers condensate drain flow monitoring system and the primary containment pressure and temperature monitoring systems. These systems are also addressed in the Technical Specifications.

Attachment Page 15 of 15

_ ITEM 5 0F NRC GENERIC LETTER 88-01 "In accordance with 10 CFR 50.55a(g), your plans to notify the NRC of any flaws that do not meet IWB-3500 criteria of Section XI of the Code for continued operation without evaluation, or a change found in the condition of welds previously known to be cracked, and your evaluation of the flaws for continued operation and/or your repair plans."

RESPONSE TO ITEM 5 NRC Notification Philadelphia Electric plans to adopt the staff position on notification.

If any flaws are identified which do not meet the referenced criteria for continued operation, the NRC will be duly notified of the disposition of the affected flaws.

NRC approval of the disposition for each flaw exceeding the criteria will De obtained before operation is resumed.

Flaw Evaluation Flaws exceeding the acceptance criteria of IWB-3500 of ASME Section XI will be either-repaired, replaced..or evaluated. Repairs or.replacerents will be documented in the Owners Report for Repairs and Replacements as required by ASME Section XI.

Evaluations of flaws for continued operation will be performed in accordance with the criteria in IWB-3600 of ASME Section XI. For aspects of flaw evaluation which are not contained in IWB-3600, the specifications in NUREG-0313 Revision 2 will be used in conjunction with IWB-3600.

The above referenced criteria for acceptance and evaluation are fcund in the 1986 Edition of ASME Section XI.

f'_'+_

1

-_t I

i.;

,,11*

n

.4

+

)

'y, ", -

12 a

b d

s g

4 L~

APPENDIX A 3

Listing and IGSCC Classifications of LGS Unit 1 items Requiring IGSCC Augmented Inspections i -

NOTE: ISI weld numbers replace the "Weld No's" of Appendices A and B in the ISI Program i.

1 j;

i l

l u4-

_,(-

.s JAgo No.

1 LIMERICK UNIT 1.

05/25/58 WELDS

, SYSTEM

.I50 WELD NO DESCRIPTION IGSCC CATEGORY CORE SPRAY DCA-319-1-1 FW6 12" VALVE 1F007B TO NlA DIPE b

CORE SPRAY DCA-319--1-1 FW7 12" PIPE TO ELBOW CORE SPRAY DCA-319-1-1 SEAM' 12" ELBOW SEAM.

NIA MAXIMUM.

CORE SPRAY DCA-219-1-!

SEAM 12" ELBOW SEAM.

MINIMUM b

CORE SARAY DCA-319-1-1 SEAM 12" ELBOW SEAM.

MAXIMUM CORE SPRAY.DCA-319-1-1 SEAM 12" ELBOW SEAM.

MINIMUM CORE 93 RAY DCA-319-1-1 SW1 12" ELBOW TO PIPE, S

BIMETALLIC CCRE SPRAY DCA-219-1-2 FW4 12" IPE TO PIPE CORE SPRAY DCA-219-1-2 i:WS 11" PIDE TO VALVE Idlb

~

1F0075 N

CORE SPRAY DCA-219-1-2 SEAM 12" PIPE SEAM CORE SPRAY DCA-219-1-2 SEAM 12" ELBOW SEAM, hllA MAXIMUM N fk CORE SPRAY DCA-319-1-2 SEAM 12" ELBOW SEAM, MINIMUM CORE SPRAY DCA-319-1-2 SEAM 12" PIPE SEAM i

CORE SPRAY DCA-219-1-2 SEAM.

12" ELBOW SEAM, NlA MAXIMUM i

CORE SPRAY DCA-319-1-2 SEAM 12" ELBOW SEAM, N!b MINIMUM CORE' SPRAY DCA-319-1-2 SEAM 12" PIPE SEAM h

CORE SDRAY DCA-319-1-2 SW1 12" PIPE TO ELBOW Nl$

N!b CORE SPRAY DCA-319-1-2 SW2 12" ELBOW TO PIPE 12"..X10" REDUCER TO A

N CORE SPRAY DC4-319-1-3 FW2A o

m 90W

+ vie t Twa m o R5 PiFE TD 5AFE - Nb LdELDS ARE EECL ODED i P.o M Tk g5 TETNt ED LibTi Ho & E2 The?

Ace Ct A S Sti: iem. r,5 3

escc CAW 6ocN A.

JIga No..

WELDS

,L 3

LIMERICK' UNIT l~

_25/25/66 SYSTEM 150 WELD NO DESCRIPTION IGSCC CATEGORY CORE SPRAY DCh-319-1-3 FW3.

12" ELBOW TO PIPE NfA CORE SPRAY DCR-319-1-3 SEAM 12" ELBOW SEAM, h

MAXIMUM-b CORE SPRAY DCA-319-1-3 SEAM 12" ELBOW SEAM, MINIMUM CORE SPRAY DCA-319-1 SEAM 12" ELSCW SE4M, k

MAXIMUM b

CORE SPRAY DCA-319-1-3 SEAM 12" ELBOW SEAM, MINIMUM

/k CORE SPRAY DCA-319-1-3 SEAM 12" PIPE SEAM CORE SPRAY DCA-319-1-3 SW1 10" PIPE TO 12"X10" A

REDUCER CORE SDRAY DCA-319-1-4 FW2 10" PIPE TO PIPE A

CORE SPRAY DCA-319-1-4

. SEAM

1. 0 " OIPE SEAM PT A

CORE SPRAY DCA-319-1-4 SEAM 10"" PIPE SE M es CORE SPRAY DCA-319-1-4 SEAM 10" PIPE SEAM CORE SPRAY DCA-319-1-4 SEAM 12"X10" REDUCER

/k SEAM CORE SPRAY DCA-019-1-4 cEAM 12"X10" REDUCER SEAM CORE SPRAY.DCA-319-1-5 SEAM 12" PIPE SEAM NlA CORE SPRAY DCA-319-1-5 SEAM 12" PIPE SEAM Nlk CORE SPRAY DCA-319-1-6 SEAM 12" PIPE "EAM N$

l CORE SPRAY DCA-319-1-6 SEAM 12" PIPE SEAM M(b CORE SPRAY DCA-320-1-1 SEAM 12" ELBOW SEAM, N{S MAXIMUM NIA CORE SPRAY DCA-320-1-1

' SEAM 12" EL50W SEAM, MINIMUM N(A CORE SPRAY DCA-320-1-1 SEAM 12" ELS0W SEAM, MAXIMUM NlA CORE SPRAY DCA-320-1-1 SEAM 12" EL5CW SEAM, MINIMUM

y

.~-

+

Oego ' No.

3 LIMERICK UNIT 1

.J5/25/88 WELDS SYSTEM ISO WELD NO DESCRIPTION IGSCC CATEGORY CORE SDRAY DCA-320-1-1 SW1 12" ELBOW TO PIPE, Mfh BIMETALLIC b

CORE SPRAY'DCA-320-1-2 FW4 12" PIPE TO PIPE CORE SPRAY DCA-320-1-2 SEAT'f 12" PIPE SEAM Nlb CORE SPRAY DCA-320-1-2 SEAM 12" PIPE SEAM N$

CCRE SPRAY DCA-320-1-2 SEAM 12" ELBOW SEAM.

N$

MA X IM IM N l"'

CORE SPRAY DCA-220-1-2 SEAM 12" PIPE SEAM N

CORE SPRAY DCA-320-1-2 SEAM 12" ELBOW SEAM.

MAXIMUM N$

CORE EPRAY DCA-320-1-2

?2AM 12" ELBOW SEAM, MINIMUM N

CORE SPRAY DCA-220-1-2 SEAM 12" OIPE SEAM CORE SPRAY DCA-320-1-2 5W1 52", ELBOW'TO PIDE

~

CORE SPRAY DCA-320-1-2 SW1 12" PIPE TO ELBOW N)b N

CORE SPRAY DCA-320-1-3 FW3 12" ELBOW TO PIPE CORE SPRAY DCA-320-1-3 SEAM 10" PIPE SEAM CORE SPRAY DCA-320-1-2 SEAM 10" PIPE SEAM N

CORE SPRAY DCA-320-1-3 SEAM 12"X10" REDUCER SEAM b

CORE SPRAY DCA-320-1-3 SEAM 10"X12" REDUCER SEAM b

CORE SPRAY DCA-320-1-3 SEAM 12" ELBOW SEAM,

,k MAXIMUM CORE' SPRAY DCA-320-1-3 SEAM 12" ELBOW SEAM, A

MINIMUM b

CORE SPRAY DCA-320-1-3 SEAM 12" ELBOW SEAM, MAXIMUM CORE SPRAY DCA-320-1-3 SEAM 12" ELBOW SEAM, A

MINIMUM CORE SPRAY 'CA-320-1-3 SEAM 12" ELBOW SEAM, h

D MINIMUM

Dcgo No.

4 LIMERICK UNIT 1 05/25/88 WELDS SYSTEM

!SO WELD NO DESCRIPTION IGSCC CATEGORY CORE SPRAY DCA-220-1-3 SW1 10"X12" REDUCER TO A

ELBOW

/k CORE GPRAY DCA-220-1-2 SW2 10" PIPE TO 10"X12" REDUCER CORE SPRAY DCA-320-1-4 FW2 10" PIPE TO PIPE A

CORE SPRAY DCA-220-1-4 SEAM 10" PIPE SEAM CORE SPRAY DCA-310-1-5 FWG 12" VALVE 1F007A TO NfA PIPE Nb CORE SPRAY DCA-220-1-5 FW7 12" PIPE TO ELBOW CORE SPRAY DCA-220-1-5 SEAM 12" PIPE SEAM Nl$

CCRE SPRAY DCA-310-1-5 SEAM 12" PIPE SEAM Ndk CORE EPRAY DCA-220-1-5 FW5 12" PIPE TO VALVE Nllk 1F007A b

CORE SPRAY DCA-220-1-6

' SEAM "12 ',' P I PE S E AM CORE SPRA) DCA-220-1-0 SEAM 12" OIPE SEAM bhb CORE SPRAY DLA-110-1-2 FW1 12" FLUED HD.(X-1SB)

RMk TO VALVE HV-108 CORE SPRAY DLA-110-1-2 FW2 12" PIPE TO FLUED N!b HEAD (X-16B)

CORE SPRAY DLA-110-1-2 FW5 12" PIPE TO VALVE MlA HV-1F00E3

_ CORE SPRAY DLA-110-1-2 SW4 12" PIPE TO PIPE, hllb BIMETALLIC CORE SPRAY DLA-111-1-2 FW1 12" FL. HD.(X-1EA)TO NlA I

VALVE HV-1F005,BIMET CORE SPRAY DLA-111-1-2 FW2 12" PIPE TO FLUED glg HERD (X-16A) s CORE SPRAY DLA-111-1-2 SW4 12" PIPE TO PIPE, glg BIMETALLIC CORE SPRAY EBB-121-1-1 FW1 12" VALVE HV-108 TO Nlb PIPE

E

=.,

o ga N6,

'5 LIMERICK UNIT 1 05/15/88 WELDS S STEM' ISO WELD NG OESCRIPTION IGSCC CATEGORY-LCORE SPRAY EBB-131-1-3 FW50 12" PIPE TO PIPE, Nk BIMETALLIC RCIC DBA-107-1-9 FW4 4"

FE 1N016 TO PIPE, (3

B! METALLIC RCIC DBa-107-1-9 FW54 4"

PIPE TO FE IN016, (3

BIMETALLIC NfS RHR

.DCA-103-1-10 FW54 6" ELBOW TO PIPE Nlk RHR DCA-103-1-14 FW55 6" PIPE TO FLANGE RHR DCA-103-1-14 FW56 6" FLANGE TO PIPE Mfb RHR DCA-103-1-15 FW57 6" PIPE TO VALVE Mlk HV-1F022 RHR DCA-103-1-7 FW53 6" ELBOW TO PIPE 4

RHR DCA-103-1-7 SW3 6" PIPE TO ELBOW N /k RHR DCA-103-1-7 SW3 5"' ELBOW TO,PICE Mhh RHR DCA-103-1-7 SW4 6" PIPE TO ELBOW hllQ RHR DCA-103-1-7 SW6 6" PIPE TO ELBOW M($

RHR DCA-103-1-7D FW63 6" PIPE TO PIPE Nlhe Nb RHR DCA-103-1-7E FW64 6" PIPE TO PIPE Nlb RHR DCA-103-1-3 FW3 6" ELBOW TO PIPE Nlk RHR DCA-103-1-B SW1 6" PIPE TO ELBOW b1hk RHR DCA-103-1-8 SW2 6" ELBOW TO PIPE hNO I

RH'l DCA 103-1-B SW3 6" PIPE TO ELBOW h1bb RHR DCA-103-1-8 SW6 6" PIPE TO PIPE

...adR.

DCA-103-1-9 hW4 6" VALVE 1F019 TO

/\\

f PIPE l

RHR OCA-103-1-9 FW5 6" PIPE TO VALVE A

I 1F019

!k RHR DCA-103-1-9 FW51 6" PIPE TO EuBOW I

[

Ngo No.

LIMERICK UNIT 1 05/25/86 WELDS SYSTEM ISO WELD NO DESCRIPTION IGSCC CATEGORY RHR DCA-103-1-9 FWE2 6" PIPE TO PIPE, h-BIMETALLIC RHR DCA-103-1-9 SW1 6" ELBOW TO PIPE A

RHR DCA-104-1-1 FW11 12" DIPE TO PIPE Nlb RHR.

DCA-104-1-1 SW1 12" ELBOW TO PIPE N$

RHR DCA-104-1-1A FW1 12" FLUED HD.(X-12B) fd$

TO VALVE HV-1F015B RHR DCA-104-1-1A FW2 12" PIPE TO FLUED N!A HEAD (X-13B)

Nkb RHR DCA-104-1-1A SW1 12" ELBOW 70 PIPE RHR DCA-104-1-1A SW2 12" PIPE TO ELBOW Nl$

RFR DCA-104-1-1B FW10 12" ?IPE TO PIPE N}b SHR DCA-104-1-2

,FWA 12" PIPE TO ELBOW Mlk RHR DCA-104-1-2 FW5 lb'l VALVE H'V-1F050D N.!A TO PIPE RHR DCA-104-1-2 SW 12" PIPE TO DIPE M(A N$

RHR DCA-104-1-2 SW1 12" PIPE TO ELBOW RHR DCA-104-1-2 SW2 12" ELBOW TO PIPE MlA RHR DCA-104-2-1 FW10 12" PIPE TO PIPE Q(@

12" RIPE TO PIPE Ng 8

RHR DCA-104-2-1 FW11 RNR DCA-104-2-1A FW1 12" FLUED HD.(X-12A) gjg TO VALVE HV-1F015A l

RHR DCA-104-s-1A FW3 12" PIPE TO FLUco NIH l

HEAD (X-12A) l ItidR DCA-104-2-1A

,5W1 12" PIPE TO ELBOW NN l-RHR DCA-104-2-1A SW2 12" ELBQW TO PIPE Ml@

t l-RHR DCA-104-2-1A SW4 12" PIPE TO PIPE NfA i

j.

RHR DCA-104-2-1B

^W1 12" ELBOW TO PIPE g}Q m: ' TmE Fcoc. O n PIPE To 6 AFT-N D WELDS AE.E WCt.ObED NM Tage Oc mitzd Lisi; w e. vee, Tees Ace ctx33gpien j

Ad Escc u rs s tae Y A,

[

Cago No.

~7 LIMERICK UNIT 1 05/25/S8 WELDS S"3 TEM ISO WELD NO DESCRIPTION IGSCC CATEGORY RHP DCA-104-2-1B SW10 12" PIPE TO PIPE NIA RHR DCA-104-2-2 FW4 12" PI'PE ~3 L. BOW MlQ

'RHR DCA-104-2-2 FW5 12" VALVE HV-1F050A Ml$

~

TO PIPE RHR DCA-104-2-1 FW50 12" PIPE TO PIPE b

RHR DCA-104-2-2 SW1 12" ELBOW TO PIPE RHR DCA-104-2-2 SW2 12" PIPE TO ELBOW NN RHR DCA-104-2-2 SW6 12"-PIPE TO PIPE NlA RHR DCA-104-3-1 FW1 28"X28"X12" TEE TO 12" PIPE RHR DCA-104-2-1 FW50 12" PIPE TO VALVE A

1F0609 b

RHR DCA-104-3-1 SEAM 12" PIPE SEAM A

RHR DCA-104-3-1 SEAM 12" PIPE SEAM N

M AHR DCA-104-3-1 SEAM 12" PIPE SEAM A

RHR DCA-104-2-1 SEAM 12" PIPE SEPM RHR DC A-104-3-L SW 3 12" PIPE TO PIPE M

RHR DCA-104-3-2 FW51 12" VALVE 1F060B TO A

PIPE RHR DCA-106-2-2 FW52 12" PIPE TO VALVE HV-1F050B RHR DCA-104-3-2 SEAM 12' PIPE 3EAM A

RHR DCA-104-2-2 SEAM 12" PIPE SEAM A

RHR DCA-104-4-1 A32 28"X2S"X12" TEE TO g

12" PIPE RHR DCA-104-4-1 FW50 12" PIPE TO VALVE k

1F060A RHR DCA-104-4-1 SEAM 12" PIPE SEAM h

RHR DCA-104-4-1 SEAM 12" PIPE SEAM k

^

P go No.

8 LIMERICK UNIT 1 05/25/88 WELDS SYSTEM ISO

' WELD'NO DESCRIPTION IGSCC CATEGORY RHR DCA-104-4-2 FW51 12" VALVE 1F060A TO

/k PIPE

'3HR DCA-104-4-2 FW52 12" PIPE TO VALVE HV-1F050A k

RHR DCA-104-4-2 SEAM 12" PIPE SEAM RHR DCA-104-4-1 SEAM 12" PIPE SEAM hk RHR DCA-105-1-2 FW5 20" VALVE HV-1F009 NlA TO PIPE N{b RHR DCA-105-1-2 FW6 20" PIPE TO EL50W RHR DCA-105-1-2 SEAM 20" ELBOW SEAM, Nlp.

MAXIMUM N!k RHR DCA-105-1-2 SEAM 20 ELBOW SEAM, MINfMUM RHR DCA-105-1-2 3EAM

,20" ELBOW SEAM, h1 b MAXIMUM RHR DCA-105-1-2 SEAM 20" EL50W SEAM, Nkk MINIMUM b

RHR DCA-105-1-2 SW1 20" PIPE TO EL50W bbik RHR DCA-105-1-2 SW2 20" ELBOW TO PIPE RHR DCA-105-1-4 FW7 20" PIPE TO FLUED N([4 HEAD (X-12)

RHR DCA-105-1-4 FW8 20" FLUED HD.

(X-12) bb bS TO VALVE HV-1F008 N$ bk RHR DCA-105-1-4 SEAM 20" ELBOW SEAM, MAXIMUM RHR DCA-105-1-4 SEAM 20" ELBOW SEAM, N{$

MINIMUM RHR' DCA-105-1-4 SEAM 20" ELBOW SEAM, N(k MAXIMUM RHR DCA-105-1-4 SEAM 20" ELBOW SEAM, Nlb MINIMUM RHR DCA-105-1-4 SW1 20" ELLOW TO PIPE Nh

~

w Odgo,Nc.

?

LIMERICK UNIT 1 05/25/88 WELDS SYSTEM ISO WELD NO DESCRIPTION IGSCC CATEGORY r

Nb RHR DCA-105-1-5X SW9 20" PIPE TO PIPE RHR DCA-105-3-1 FW4 20" PIPE TO VALVE bOlk HV-1F009 RHR DCA-105-3-1 SEAM 10" ELBOW SEAM, bj ){

MAXIMUM Nlbk RHR DCA-105-3-1 SEAM 20" PIPE SEAM RHR DCA-105-3-1 SEAM 20" ELBOW SEAM, MlA MAXIMUM Nlk RHR DCA-105-3-1 SEAM 20" ELBOW SEAM, MINIMUM b

RHR DCA-105-3-1 SEAM 20" P'PE SEAM b+

RHR DCA-105-3-1

..- EW 1

'20" ELBOW TO PIPE RHR DCA-105-3-2 FW2 20" PIPE TO VALVE

[k t

HV-1F077 RHR DCA-105-3-2 FW3 20" VALVE 1F077

[(

TO ELBOW b

RHR DCA-105-3-2 FW50 20" ELBOW TO PIPE RHR DCA-105-3-2 SEAM 20" PIPE SEAM

/k RHR DCA-105-3-2 SEAM 20" PIPE SEAM

/k RHR DCA-105-3-2 SEAM 20" ELBOW SEAM,

[\\

MINIMUM RHR DCA-105-3-2 SW1 20" PIPE TO 20"X6"

[k SWEEPOLET

/k RHR DCA-105-3-3 SEAM 20" ELBOW SEAM, MAXIMUM

[k RHR DCA-105-3-2 SEAM 20" ELBOW SEAM, MINIMUM RHR DCA-105-3-3 SEAM 20" ELBOW SEAM,

/%

i l

MAXIMUM i

RHR DCA-105-3-3 SEAM 20" ELBOW SEAM, Mt MINIMUM

-P$g0 No.

10

' LIMERICK UNIT'l 35/25/88 WELDS SYSTEM ISO WELD NO DESCRIPTION IGSCC CATEGORY RHR DCA-105-3-5 B41 28"X28"X20" TEE TO

/k 20" PIPE RHR DCA-105-3-5 FW51 20" PIPE TO ELBOW

[k RHR DCA-105-3-5 SEAM 20" PIPE SEAM

[k RHR DCA-318-1-1 FW3 12" PIPE TO EL50W

/k -

RHR DCA-318-1-1 FW4 12" EL30W TO VALVE

/k 1F 065D RHR DCA-318-1-1 FW5 12" VALVE 1F065D TO hl{$

PIPE RHR

-DCA-318-1-1 SEAM 12" ELBOW SEAM,

[k MINIMUM h-RHR 004-218-1-1 SEAM 12" ELSCW SEAM, MAXIMUM RHR DCA-318-1-1 SEAM 12" ELBOW SE'AM,

[k

~

t MINIMUM RHR DCA-318-1-2 FW54 12" PIPE TO EL30W Nb RHR DCA-318-1-2 SEAM 12" ELBOW SEAM, MAXIMUM RHR DCA-318-1-2 SEAM 12" EL50W SLAM, MAXIMUM t

RHR DCA-318-1-2 SEAM 12" ELBCW SEAM, MINIMUM RHR DCA-318-1-2 SEAM 12" PIPE SEAM RHR DCA-318-1-2 SEAM 12" ELBOW SEAM, MAXIMUM R.HR DCA-318-1-2

, SEAM 12" EL30W SEAM, M IN I ML't1 RHR DCA-318-1-2 SEAM 12" PIPE SEAM RHR DCA-318-1-2 SW1 12" ELBOW TO 12" PIPE y

h

C

Jigo-Noi 11 LIMERICK UNIT'l 05/25/88 WELDS SYSTEM ISO WELD NO DESCRIPTION IGSCC CATEGORY-N b RHR DCA-318-1-2 SW2' 12" PIPE TO PIPE, BIMETALLIC

/k RHR OCA-318-1-3 FW2 12" PIPE TO-PIPE RHR DCA-318-1-3 SEAM' 12" PIPE SEAM k

RHR DCA-318-1-3 SEAM 12" PIPE SEAM M

RHR DCA-318-1-3 SEAM 12" PIPE SEAM

[k RHR DCA-318-1-4 SEAM 12" PIPE SEAM

/k RHR DCA-318-1 SEAM 12" PIPE SEAM

/k RHR DCA-31S-2-1 FW3 12" PIPE TO'ELSCW

/k RHR DC A--218 1 FW4 12" ELS0W TO VALVE k

1F0659 RHR DCA-318-2-1 FW5 12" VALVE 1F0653 70 h{lQ P.IPE RHR DCA-318-2-1 SEAM 12" PIPE SEAM k

RHR DCA-318-2-1 SEAM 12" EL30W SEAM,

[k MAXIMUM RHR DCA-318-2-1 SEAM 12" ELSCW SEAM,

[k MINIMUM RHR DCA-318-2-1 SEAM 12" ELBOW SEAM, MAXIMUM RHR DCA-318-2-1 SEAM 12" ELBCW SEAM,

[k MINIMUM Nfb RHR DCA-318-2-2 FWG 12" PIPE TO ELBOW RHR DCA-318-2-2 SEAM 12" ELBOW SEAM, Rlhh MAXIMUM Nb RHR DCA-318-2-1 SEAM 12" ELSCW SEAM, MINIMUM RifA RHR DCA-318-2-2 GEAM 12" PIPE SEAM i 6.rt RHR DCA-312-2-2 SEAM 12" ELSCW SEAM, Nhk MAXIMUM E.

n.

i p; Aogo'No.

'12 :

LIMERICK UNIT 1'

05/25/88 WELDS

~

L3v5 TEM ISO WELD NO DESCRIPTION-IGSCC CATEGORY.

RHR DCA-318-2-2 SEAM 12" ELBOW SEAM, Nfk-MINIMUM N(b RHR DCA-318-2-2 5EAM 12" PIPE EEAM RHR DCA-318-2-2 SW1-ELBOW TO 12" PIPE N(@

RHR DCA-318-2-2 SW3 12" PIPE TO PIPE, g

BIMETALLIC RHR DCA-318-2-3 FL 2 12" PIPE TO PIPE

[k RHR DCA-318-2-3 SEAM 12' -PIPE SEAM k

RHR DCA-318-2-2 3EAM' 12" PIPE SEAM hs khdc RHR DCA-318-2-4 SEAM 12" PIPE SEAM gl A RHR DCA-318-2-4 SEAM 12" PIPE:: SEAM RHR DCA-318-2-1

W3 12" PIPE TO ELECW

[r RHR DCA-318~2-1

'FW4 52" ELECW'TO VALVE

[k 1F065A

/k RHR DCA-318-2-1 SEAM 12" PIPE SEAM RHR DCA-318-3-1 SEAM 12" PIPE SEAM

/k RHR DCA-318-2-1 SEAM 12" PIPE SEAM

[k 4

RHR DCA-218-2-1 SEAM 12" ELBOW SEAM,

./4 MAXIMUM RHR DCA-318-2-1 SEAM 12" ELECW SEAM,

[k MINIMUM A

RHR DCA-318-2-1 SEAM 12" ELBOW SEAM, f1 MAXIMUM RHR DCA-318-2-1 SEAM 12" ELSCW SEAM.

/k NINIMUM RHR DCA-318-2-1

'SW 1 12" PIPE TO PIPE hr RHR DCA-318-2-1 FW5 12" VALVE 1F065A TO bl ljk PIPE N!b RHR DCA-318-2-1 FW6 12" PIPE TO EL30W I

.]

7

.Dage No.

13 LIMERICK' UNIT 1 05/25/88 WELDS 39 STEM ISO WELD NO DESCRIPTION IGSCC CATEGORY Nik.

RHR' DCA-318-2-2

_ SEAM 12" ELBOW SEAM, MAXIMUM RHR DCA-218-2-2 SEAM 12" ELBOW SEAM, MINIMUM N kb RHR DCA-318-2-2 SEAM 12" PIPE SEAM RHR DCA-318-2-2 SEAM-12" ELBOW SEAM, g%

MAXIMUM RHR DCA-318-2-2 SEAM 12" ELBOW SEAM, Nlb

~

MINIMUM RHR DCA-318-2-2 SEAM,

12" PIPE SEAM

.RHR DCA-318-2-2 SW1 12" ELBOW TO PIPE M

RHR DCA-2iG-2-2 SW2

.12" PIPE TO PIPE, ph>

BIMETALLIC RHR DCA-318-2-4 SEAM 12" PIPE SEAM RHR DCA-319-2-4 SEAM 12""PIPE SEAM b

a RHR DCA-318-4-1 FW3 12" PIPE TO ELBOW TT RPR DCA-318-4-1 FW4 12" ELBOW TO VALVE A

1F065C b

RHR DCA-318-4-1 SEAM 12" ELBOW SEAM, MAXIMUM RHR DCA-318-4-1 SEAM 12" ELBOW SEAM, MINIMUM b

RHR DCA-318-4-1 SEAM 12" ELBOW SEAM, MAXIMUM l

b RHR DCA-318-4-1 SEAM 12" ELBOW SEAM, MINIMUM JJ;lR DCA-318-4-2

,FW5 12" VALVE 1F065C TO Nb PIPE RHR DCA-318-4-2 FW6 12" PIPE TO ELBOW Qlk RHR DCA-318-4-2 SEAM 12" ELBOW SEAM, gg MAXIMUM

~ lAl:g G No.

14 LIMERICK UNIT.1

' *~

05/25/98 WELDS SYSTEM ISO WELD NO DESCRIPTION IGSCC CATEGORY Nfk RHR DCA-318-4-2 SEAM 12" ELBOW SEAM, MINIMUM

~RHR DCA-118-4-2 SEAM 12" PIPE SEAM RHR DCA-318-4-2 SEAM

12" ELBOW SEAM, Nfd MAXIMUM Nb RHR DCA-318-4-2 SEAM 12" ELBOW SEAM, MINIMUM RHR DCA-318-4-2 SEAM 12" PIPE SEAM M(b RHR DCA-318-4-2 SW 12" PIPE TO PIPE, BIMETALLIC RHR DCA-318-4-2 SW1 12" ELBOW TO PIPE NA RHR DCA-318-4-3 FW2 12" PIPE TO PIPE

/k a

RHR DCA-315-4-2 SEAM 12" O!PE SEAM ft RHR DCA-318-4-2 SEAM.

1"2" PIPE SEAM b

RHR' DCA-318-4-3 SEAM 12" PIPE SEAM RHR DCA-318-4-4 SEAM 12" PIPE SEAM Nfh RHR DCA-318-4-4 SEAM 12" PIPE SEAM RHR DLA-112-1-2 FW1 12" FL. HD.(X-45D)TO VLV HV-1F017D,BIMET.

RHR DLA-112-1-2 FW3 12" PIPE TO FLUED HEAD (X-45D), BIMETAL.

RHR DLA-112-2-2 FW1 FL. HD.

(X-45B) TO VLV HV-1F0179,BIMET.

RHR DLA-112-2-2 FW3 12" PIPE TO FLUED HEAD (X-458), BIMETAL.

RHR DLA-112-3-2 FW1 12" FL. HD.(X-45A)TO VLV HV-1F017A,BIMET.

RHR DLA-112-3-2 FW3 12"PIPE TO FLUED HD.

(X-45A), BIMETALLIC RHR DLA-112-4-2 FW1 12" FL. HD.(X-45C)TO VLV HV-1F017C,BIMET.

Y

J

-e 1

?AgG No..

15 LIMERICK UNIT 1 05/25/88 WELDS SYSTEM ISO WELD NO DESCRIPTION IGSCC' CATEGORY RHR DLA-112-4-2 FW3 12" PIPE TO FLUED HEAD (X-45C), BIMET.

RHR-GSB-102-4-6 FW59 22" EL50W TO VALVE HV-182A, BIMETALLIC RHR GLB-106-1-1 SW3 6" PIPE TO ELBOW, BIMETALLIC RHR G55-120-1-1A

. W3 12" VOLVE HV-1F015A TO PIPE RHR GEB-120-1-1A FW51 12" PIPE TO PIPE RHR G55-120-1-7 FW52 12" PIPE TO 18"X12" REDUCER, SIMETALLIC RHR GBE-120-2-2 FW3 12" VPLVE HV-1F0159 TO PIPE RHR G35-120-2-1 SW1 12" IPE TC 19"X11 REDUCER, EIMETALLIC RHR H59-118-1-1 FW1 20""PIPE TO' ELBOW RHR H95-119-1-1 FW50 20" VALVE HV-1F008 TO PIPE RHR H59-118-1-1 SEAM 20" ELECW SEAM, MAXIMUM RHR HBE-118-1-1 SEAM 20" ELEDW SEAM, MINIMUM RHR H59-118-1-1 SEAM 20" EL50W SEAM, MAXIMUM RHR HBB-118-1-1 SEAM 20" ELBOW SEAM MINIMUM RHR HBS-118-1-1 SW2 20" EL50W TO PIPE.

Y BIMETALLIC RR RD-1-Al FWWA6 23" PUMP 1AP201 TO k

PIPE h'

RR-RD-1-Al FWWA7 28" PIPE TO VALVE HV-1F021A b

RR RD-1-Al SEAM 19" PIPE SEAM t

..-----,,r--

A$gG No..

16 LIMERICK UNIT 1.

05/25/88:

WELDS v.

SYSTEM.

ISO

' WELD.NO DESCRIPTION-IGSCC CATEGORY RR RD-1-Al

. SEAM 28" PIPE SEAM A

' ' RR RD-1-A2 FWWA8 28" VALVE HV-1F031A TO ELBOW RR RD-1-A2 SEAM SS" ELBOW SEAM.

MAXIMUM RR RD-1-A2 SEAM 28" ELBOW SEAM, MINIMUM' RR RD-1-A2 SEAM 28" PIPE SEAM RR RD-1-A2 SEAM 28" ELBOW SEAM, MAXIMUM RR RD-1-A2 SEAM 28" ELBOW SEAM, MINIMUM RR RD-1-A2 SEAM 28" PIPE SEAM RR RD-1-A2

.SWA 28" ELBOW TO PIPE RR RD-1-A2 SWC 28'I PIPE TO' 28"X2S"X12" TEE RR RD-1-A3 FWWA9 29"X2S"X12" TEE TO

$8"X28"X22" CROSS RR RD-1-A3 SEAM 22" PIPE SEAM RR RD-1-A3 SEAM 22" PIPE SEAM RR RD-1-A3 5WE 28"X22" CROSS TO 18"X12" REDUCER RR RD-1-A3 SWF 28"X22" CROSS TO 22" PIPE RR RD-1-A3 SWG 22" PIPE TO 22"X12" SWEEPOLET RR RD-1-A3 SWH 22" PIPE TO 22"X12" SWEEPOLET RR RD-1-A3 SWJ 22" PIPE TO 22" PIPE CAP RR RD-1-A4 FWWA11 22"X12" SWEEPOLET TO I

12" PIPE 4

M.'

b

~ D$gO N s,.

17 LIMERICK UNIT 1 05/25/58 WELDS SYSTEM ISO WELD NO DESCRIPTION IGSCC CATEGORY A

RR RD-1-A4 SEAM

'12" PIPE SEAM RR RD-1-A4 SEAM 12" PIPE SEAM RR RD-1-A4 SEAM 12" EL30W SEAM, MAXIMUM RR RD-1-A4 SEAM 12" ELS0W SEAM, MINIMUM RR RD-1-A4 SEAM 13" PIPE SEAM RR RD-1-A4 SEAM 12" PIPE SEAM RR RD-1-44 SEAM 12" ELS0W SEAM, MAXIMUM RR RD-1-A4 SEAM 12" ELBOW SEAM.

MINIMUM RR RD-1-44 SWE 12" OIPE TO EL50W RR RD-1-44 SWC 12" EL5OW'70 PIPE RR RD-1-C5 FWWA11 22"X12" SWEEPOLET TO 12" PIPE RR RD-1-A5 SEAM 12" PIPE SEAM RR RD-1-A5 SEAM 12" ELBOW SEAM, MAXIMUM RR RD-1-A5 SEAM 12" CLS0W SEAM, MINIMUM RR RD-1-A5 SEAM 12" PIPE SEAM RR RD-1-A5 SEAM 12" PIPE SEAM RR RD-1-A5 SEAM 12" ELBOW SEAM, MAXIMUM w.SSR RD-1-A5 SEAM 12" ELBOW SEAM, MINIMUM RR RD-1-A5 SWB 12" PIPE TO ELSOW RR RD-1-A5 SWC 12" EL50W TO PIPE RR RD-1-A6 FWWA13 22"X12" SWEEPOLET 70 3 :: " pter T

m Tete d 07. PIPE To 6AFg N b W EL.o S A E.E Exctocep FeoM WIS

'DETAtLED L\\bT; HMENE2, 'TutN:.

A C.E C t.A551 FIED AS IG r SC.C.

caw 6rc R.Y A.

hg3 NC.~

18:

LIMERICK UNIT 1 35n3/66 WELDS

-SYSTEM ISO.

WELD NO. DESCRIPTION IGSCC CATEGORY RR RD-1-A6 SEAM 12" PIPE SEAM RR RD-1-A6 SEAM 12" PIPE SEAM RR RD A6-SEAM 12" ELBOW SEAM, MAXIMUM

.RR RD-1-A6 SEAM 12" ELBOW SEAM, MINIMUM RR RD-1-A6 SEAM 12" PIPE SEAM RR RD-1-A6 SEAM 12" PIPE SEAM RR RD-1-46 SEAM 12" ELBOW SEAM, MAXIMUM RR RD-1-A6 SEAM 12" ELBOW SEAM, MINIMUM

+

RR RD-1-46 SWB 12" PIPE TO EL30W RR RD-1-A6 SWC 11" ELBOW'TO PIPE RR RD-1-A7 FWWA14 22"X12" SWEEPOLET TO 12" PIPE RR RD-1-A7 SEAM 12" PIPE SEAM RR RD

'-A7 SEAM 12" PIPE SEAM RR RD-1-A7 SEAM 12" ELBCW SEAM.

i MCXIMUM l

RR RD-1-A7 SEAM 12" ELBOW SEAM, MINIMUM l

RR RD-1-A7 SEAM 12" PIPE SEAM RR RD-1-A7 SEAM 12" PIPE SEAM RR RD-1-A7 SEAM 12" ELBOW SEAM, MAXIMUM RR RD-1-A7 SEAM 12" ELBOW SEAM, MINIMUM RR RD-1-A7 SWB 12" PIPE TO ELBCW RR RD-1-A7 SWC 12" ELBOW TO PIPE gg Tag TQO Ot Pt PE ro 6Ai E-Nb WELD S eire Exct oob rom

% -en usr, %ewn., wv ee cessee ss k.

ES C.C.,

Mie.6ro2.4 G,

e IagoNo.

19 LIMERICK UNIT l-35/25/88

-WELDS

. SYSTEM ISO WELD NO DESCRIPTION IGSCC CATEGORY

'RR 90-1-A8 FWWA12 20"X12" REDUCER TO k

12" PIPE RR RD-1-A8 FWWA44 28"X22" CROSS TO 21" PIPE RR RD-1-A8 SEAM 12" PIPE SEAM RR RD-1-A8 SEAM 12" PIPE SEAM RR RD-1-A8 SEAM 12" ELBOW SEAM, MAXIMUM RR RD-1-A8 SEAM 12" ELS0W SEAM, MINIMUM RR RD-1-A8 SEAM 12" PIPE SEAM RR RD-1-A8 SEAM 12" PIPE SEAM RR RD-1-A8 SEAM 12" ELSCW SEOM.

F.AXIMUM 0

RR RD-1-A8 SEAM 12 ELSOW StAM, MINIMUM RR RD-1-A8 SEAM 22" PIPE SEAM RR RD-1-A8 SWB 12" PIPE TO ELBOW RR RD-1-A8 SWC 12" ELSCW TO 12" PIPE RR RD-1-A9 SEAM 22" PIPE SEAM RR RD-1-A9 SWA 22" PIPE TO CAP RR RD-1-A9 SWB 22" PIPE TO 22"X12" SWEEPOLET RR RD-1-A9 SWC 22" PIPE TO 22"X12" SWEEPOLET RR RD-1-B1 FWWB6 28" PUMP 1BP201 TO PIPE RR RD-1-B1 FWWB7 28" PIPE TO VALVE HV-1F031B RR RD-1-31 SEAM 28" PIPE SEAM Y

~

do, gs. No.

20 LIMERICK UNIT 1 05/25/88 WELDS SYSTEM ISO WELD NO DESCRIPTION IGSCC CATEGORY RR RD-1-B1 SEAM 28" PIPE SEAM RR RD-i-912

' SEAM 22" PIPE SEAM RR RD-1-B12 SWG 22" PIPE TO 22"X12" SWEEPOLET RR RD-1-B 12 SWH 22" PIPE TO 22"X12" SWEEPOLET RR RD-1-B12 SWJ 22" PIPE TO CAP RR RD-1-82 FWWB46 28"X12" CROSS TO 22" PIPE RR RD-1-92 FWWBS 28" VALVE HV-1.031B TO ELBOW RR RD-1-92 FWWB9 29"X28"X12" TEE TO 2S"X22" CROSS fir RD-1-52 SEAM 28" ELBOW SEPM.

t1AXIMUM RR RD-1-92 SEAM 28" ELBOW SEAM, MINIMUM RR RD-1-52 SEAM 28" PIPE SEAM RR RD-1-92 SEAM 28" ELBOW SEAM.

MAXIMUM e

RR RD-1-B2 SEAM 28" ELBOW SEAM, MINIMUM RR RD-1-B2 SEAM 28" PIPE SEAM RR RD-1-92 SEAM 22" PIPE SEAM RR RD-1-B2 SWA 28" ELBOW TO PIPE RR RD-1-92 SWC 28" PIPE TO 88"X18"X12" TEE RF RD-1-B2 SEAM 22" PIPE SEAM i

RR RD-1-52 SWA 22" PIPE TO PIPE CAP RR RD-1-B3 SWB 22" PIPE TO 22"X12" SWEEPOLET T

1

Mgo No.

21 LIMERICK UNIT 1 05/25/58 WELDS SYSTEM

!SO WELD NO DESCRIPTION IGSCC CATEGORY RR RD-1-B3 SWC 22" PIPE TO 22"X12" SWEEPOLET RR RD-1-93 SWD 28"X22" CROSS TO 2*'

PIPE RP RD-1-B3 SWE 28"X22" CROSS TO 28"X12" REDUCER RR RD-1-94 FWWB10 22"X12" SWEEPCLET TO 12" PIPE RR RD-1-B4 SEAM 12" PIPE SEAM RR RD-1-94 SEAM 12" PIPE SEAM RR RD-1-B4 SEAM 12" ELBOW SEAM.

MAXIMUM RR RD-1-BA SEAM 12" ELBCW SEAM, MINIMUM RR RD-1-34

'5 EPM "12 PIPE SE.AM RR RD-1-94 SEAM 12" PIPE SEAM RR RD-1-94 SEAM 12" ELBOW SEAM, MAXIMUM RR RD-1-94 SEAM 12" ELBOW SEAM, MINIMUM RR RD-1-94 SWB 12" PIPE TO ELBCW RR RD-1-B4 SWC 12" ELBCW TO PIPE RR RD-1-35 FWWB11 22"X12" SWEE'OLET TO P

12" PIPE RR RD-1-35 SEAM 12" PIPE SEAM RR RD-1-35 SEAM 12" PIPE SEAM RR RD-1-B5 SEAM 12" ELBOW SEAM, MAXIMUM RR RD-1-35 SEAM 12" ELBOW SEAM, MINIMUM Y

RR RD-1-B5 SEAM 12" PIPE SEAM

L'a g o - No.

22 LIMERICK UNIT 1 C5/25/86 WELDS SYSTEM ISO WELD NO DESCRIPTION IGSCC CATEGORY b

RR RD-1-B5 SEAM 12" PIPE SEAM RR RD-1-B5 SEAM 12" ELBOW SEAM, MAXIMUM RR RD-1-55 SEAM 12" ELBOW SEAM, MINIMUM RR RD-1-B5 SWB 12" PIPE TO ELBOW RR-RD-1-B5 SWC 12" ELBOW TO PIPE RR RD-1-B6 FWWB12 12"X12" SWEEPOLET TO 12" PIPE RR RD-1-56 SEAM 12" PIPE SEAM RR RD-1-36 SEAM 12" PIPE SEAM RR RD-1-D6 SEAM 12" ELBOW SEAM, MAXIMUM RR RD-1-96

' SEAM "12" ELBOW SEAM, MISIMUM RR RD-1-B6 SEAM 12" PIPE SEAM RR RD-1-B6 SEAM 12" PIPE SEAM RR RD-1-B6 SEAM 12" ELBOW SEAM, MAXIMUM RR RD-1-36 SEAM 12" ELBOW SEAM, MINIMUM RR RD-1-B6 SWB 12" PIPE TO ELBOW RR RD-1-B6 SWC 12" ELBOW TO PIPE RR RD-1-B7 FWWB14 22"X12" SWEEPOLET TO 12" PIPE RR RD-1-B7 SEAM 12" PIPE SEAM RR RD-1-B7 SEAM 12" PIPE SEAM RR RD-1-B7 SEAM 12" ELBOW SEAM, MAXIMUM RR RD-1-57 SEAM 12" ELBOW SEAM, y

MINIMUM

u

\\l 3:5g3 No.

II.

LIMERICK UNIT 1

'35/25/88 WF1DS SYSTEM ISO WELD NO DESCRIPTION IGSCC CATEGORY RR RD-1-97 SEAM 12" PIPE SEAM RR RD-1-57 SEAM 12" PIPE SEA.M RR RD-1-87 SEAM 12" ELBOW SEAM MAXIMUM RR RD-1-97 SEAM 12" ELBOW SEAM, MINIMUM RR RD-1-57 SEAM 22" PIPE SEAM RR RD-1-B7 SWB 12" PIPE TO EL50W RR RD-1-57 SWC 12" EL50W TO PIPE RR RD-1-B8 FWWB12 28"X12" REDUCER TO 12" PIPE t-RR RD-1-SS SEAM 12" IPE SEAM RR RD-1-53 SEAM 12" PIPE SEAM

~

RR RD-1-98 CEAM 12" ELECW SEAM, MAXIMUM RR RD-1-SS SEAM 12" ELBOW SEAM, MINIMUM RR RD-1-B8 SEAM 12" PIPE SEAM-RR RD-1-BS SEAM 12" PIPE SEAM RR RD-1-58 SEAM 12" ELBOW SEAM, MAXIMUM RR RD-1-B8 SEAM 12" ELBOW SEAM, MINIMUM RR RD-1-B8 SWB 12" PIPE TO ELBOW RR RD-1-58 SWC 12" EL50W TO PIPE RR RD-2-57 SEAM 12" PIPE SEAM RR RS-1-Al SEAM IS" PIPE SEAM RR RS-1-Al SEAM 2S" ELBOW SEAM, MAXIMUM j

L

-a ISc00 No.

14 LIMERICK' UNIT 1 l

3 _.

05/25/88 WELDS SYSTEM ISO WELD NO DESCRIPTION IGSCC CATEGORY A

.RR RS-1-Al SEAM 28" ELBOW SEAM, MINIMUM ltR RS-1-Al SEAM 18" PIPE SEAM RR RS-1-Al SEAM SG" PIPE SEAM RR RS-1-Al SEAM 28" ELLOW SEAM, MAXIMUM RR RS-1-Al SEAM 28" EL50W SEAM, MINIMUM RR RS-1-Al SWA 28" PIPE TO ELPOW RR RS-1-01 SWB 28" ELBQW TO PIPE RR RS-1-Al FWWA3 28" EL5OW TO VALVE HV-1F022A RR RS-1-Al FWWO43 18" PIPE TO PIPE RR RS-1-Al

' SEAM 18'l PI PE 'SE AM RR RS-1-A2 SEAM 28" PIPE SEAM RR RS-1-Al SEAM 28" EL50W SEPM, MAXIMUM RR RS-1-A2 SEAM 28" ELBOW SEAM, MINIMUM RR RS-1-A2 SEAM 28" PIPE SEAM RR RS-1-AS SEAM 28" ELECW SEAM, MAXIMUM RR RS-1-A2 SEAM 28" ELBOW SEAM, MINIMUM RR RS-1-A2 SWB 28" PIPE TO ELBOW RR RS-1-A3 FWWA4 28" VALVE HV-1F022A 70 PIPE RR RS-1-A3 FWWA5 28" EL50W TO PUMP 1AP201 RR RS-1-A3 SEAM 28" PIPE SEAM Y

F

.Osgo No.

25 LIMERICK UNIT 1 35/25/38 WELDS 3YSTEM ISO WELD NO DESCRIPTION IGSCC CATEGORY RR RS-1-A3 SEAM 28" ELBOW SEAM,'

/k MAXIMUM RR

'AS-1-A3 SEAM 28" ELB.OW SEAM.

MINIMUM RR RS-1-A3 SEAM 28" PIPE SEAM RR RS-1-A3 SEAM 18" ELBOW SEAM, MAXIMUM PR RS-1-A3 SEAM 2S" ELSOW SEAM, MINIMUM RR-RS-1-A3 SWD 25" PIPE TO ELBOW RR RS-1-A4 FWWA2 28" PIPE TO PIPE RR RS-1-44 SEAM 23" PIPE SEAM RR RS-1-04 SEAM 2S" PIPE SEAM RR RS-1-B1

' SEAM.

18, P IP E ' S E AM RR RS-i-B1 SEAM 2B" ELBOW SEAM, MAXIMUM RR RS-1-B1 SEAM 2S" ELBOW SEAM, MINIMUM PR RS-1-B1 SEAri 28" PIPE SEAM RR RS-1-B1 SEAM 23" PIPE SEAM RR RS-1-B1 SEAM 28" ELBOW SEAM, MAXIMUM RR RS-1-52 SEAM 18" ELBOW SEAM, MINIMUM RR RS-1-B1 SWA 28" PIPE TO ELBOW RR RS-1-B1 SWB 29" ELBOW TO PIPE RR RS-1-82 FWWB3 28" ELBOW TO VALVE HV-1F023B RR RS-1-B2 FWWB47 28" PIPE TO PIPE RR RS-1-B2 SEAM 28" ?!PE SEAM I

bege No.

26 LIMERICK UNIT 1 05/25/66 WELDS SYSTEM ISO WELD NO DEECRIPTION IGSCC CATEGORY RR RS-1-B2 SEAM 2S" PIPE SEAM RR RS-1-92 SEAM iS" PIPE SEAM t

RR RS-1-82 SEAM 28" ELBOW SEAM, MAXIMUM RR RS-1-92 SEAM 28" ELBOW SEAM.

MINIMUM RR RS-1-52 SEA >l 18" PIPE SEAM RR RS-1-52 SEAM 2S" ELBOW SEAM, MAXIMUM RR RS-1-E2 SEAM IS" ELECW SEAM, MINIMUM RR RS-1-El SWA 2S"X2S"X20" TEE TO IS" PIPE

-RR RS-1-E2 SWE IS" PIPE TO ELECW RR RS-1-E2 FWWB4 2S"" VALVE NV-1F0225 TO PIPE RR RS-1-52 FWWB5 26" ELBOW TO PUMP 1BP201 4

RR RS-1-92 SEAM SS" PIPE SEAM PR RS-1-E2 SEAM 2S" ELEOW SEAM, MAXIFUM RR RS-1-E2 SEAM 2S" ELSCW SEAM.

m MINIMUM RR RS-1-E2 SEAM 13" PIPE SEAM RR RS-1-92 SEAM 18" ELBOW SEAM, MAXIMUM RR RS-1-52 SEAM 2S" ELDOW SEAM, MINIMUM RR RS-1-92 SWD 28" PIPE TO ELECW RR RS-1-54 FWWE2 28" PIPE TO 18"X28"X10" TEE Y

__-_w

['

~

+go Nd.

17

' LIMERICK UNIT 1 05/25/88 WELDS SYSTEM ISO WELD NO DESCRIPTION IGSCC CATEGORY k

RR RS-1-B4 SEAM 28" PIPE SEAM RWCU DCA-101-1-12 FW56 6" PICE.TO TEE RWCU DCA-101-1-13 FW55 6" TEE TO 6"X4" REDUCER RWCU DCA-101-1-5 FW1 20"X6" SWEEPOLET TO 6" PIPE RWCU DCA-101-1-5 FW54 6" PIPE TO VALVE HV-C-1F105 RWCU DCA-101-1-5 SW1 6" PIPE TO EL50W RWCU DCA-101-1-5 SW2 6" ELECW TO PIPE RWCU DCA-101-1-5 SWS-6" PIPE TO VALVE 1F017 4

RWCU DCA-101-1-5 SW4 6"

I:E TO PIPE

~:"_VOLVE'1F087 TO RWCU DCA-101-1-6

'FW' PIPE RWCU DCA-101-1-6 FW52 VALVE HV-C-1F105 70 6" PIPE RWCU DCA-101-1-6 SW1 6" PIPE TO EL50W RWCU DCA-101-1-6A FW50

~.,

TEE TO PIPE RWCU DCA-101-1-7 FW9 6" ELBOW TO PIPE RWCU DCA-101-1-7 SW1 6" PIPE TO FLANGE (FE 1N025)

RWCU DCA-101-1-7 SW2 5" ELECW TO PIPE RWCU DCA-101-1-7 SW2 6" PIPE TO ELBOW RWCU DCA-101-1-S FW4 6" PIPE TO val,VE HV-1F001 RWCU DCA-101-1-8 SW1 6" ELBOW TO PIPE RWCU DCA-101-1-8 SW2 6" PIPE TO ELBOW RWCU DCA-101-1-3 SW3 6" ELPOW TO PIPE 4

L

bega No.

Is LIMERICK UNIT 1 05/15/56 WELDS SYSTEM ISO WELD NO DESCRIPTION IGSCC CATEGORY b

RWCU DCA-101-1-8 SW4 6" PIPE TO ELBOW RWCU DCA-101-1-8 SW5 6" FLANGE (FE 1N025)

A TO PIPE M

RWCU DCA-101-1-3 FW5 6" VALVE HV-1F001 TO PIPE RWCU DCA-101-1-3 FW6 6"

?IPE TO FLUED k

HEAD (X-le)

RWCU DCA-101-1-9 FW8 6" FLUED HEAD (X-14)

TO VALVE HV-1F004 PWCU DCA-101-4-10 FW51 4"

PICE TO ELECW k

RWCU DCA-101- -10 SW2 4" EL50W TO PIPE k

RWCU DCA-101-a-11 W56 4"

!PE TO a"XE"

[

REDUCER A

RWCU DCA-101

-11 SW1

,e" ELECW TO PI E n

RWCU DCA-101

-6 FW55 L 'I PIPE TC'ELECW M {~b nib RWCU DCA-101-4-6 SW6 4"

EL30W TO PIPE N

RWCU DCA-101-e-7 FW54 4"

PIPE TO ELLOW RWCU DCA-101-a-7 SW5 4" EL50W TO PIPE PWCU DCA-101-4-6 FW53

" ELECW TO PIPE NlA RWCU DCA-101-4-9 FW52 4"

PIPE TO EL50W Nlb RWCU DCD-101-4-3 SW3 4"

ELPOW TO PIPE RWCU DC 101-4-9 SW4 4"

PIPE TO EL50W Q%

(

RWCU DCA-101-e-9A FW57 4" PIPE TO PIPE M(R RWCU DCA-101-5-10 FW51 4"

PI:E TO FE IN038

%Q FLOW ELEMENT

}bb RWCU DCA-101-5-10 SW7 4"

EL90W TO PIPE ElJCU DCA-101-5-11 FW50 4"

PIPE TO ELECW

[d h i

RWCU DCA-101-5-11 FW51 4"

FLOW ELEMENT gg FE 1N026 TO ?IP I

"C WE ' R5 Mc0 w eto3 ov73 mg c oerg, H&s ygg gCLg,Q =gc his W.W LED LISTi How.w m,

The

.:.c-E CuS51 Fc A5 0 SC C. Ct-6 eav G.,

--m..

..e

1 3e ge Ne. -

29 LIMERICK UNIT 1-

.1525/68 WELDS SYSTEM ISO WELD NO DESCRIPTION IGSCC CATEGORY RWCU

'DCA-101-5-24

'FW53 4"

PIPE TO ELBOW RWCU

'DCA-101-!-24 FW68 4" TEE TO PIPE RWCU DCA-101-!-24 SW57 4"X6" REDUCER 70-6" VALVE HV-1F100 RWCU DCA-101-5-24 SW58 6" VALVE HV-1F100 TO 6"X4" REDUCER RWCU DCA-101-5-24 SWX20 6"X4" REDUCER TO PIPE RWCU DCA-101-5-24 SWX29 4"

PIPE TO 4"X6" REDUCER RWCU DCA-101-5-6 FW69 4" TEE TO CAP RWCU DCA-101-5-6 SW17 2 1/2"X4" REDUCER Y

TO 4"

TEE

. ' 'CU DC3-102-1-1 FW1

_6" VALVE HV-1F004 E",, PIPE RWCU 9CB-102-1-1 FW2 6" PIP-iO VALVE HV.r040 RWCU DCC-102-1 FL 6" VALVE HV-1F040 TO PIPE RWCU DCC '.:, 4 4 SW1 6" PIPE TO ELSCW RWCU DCC-102-1-40 SW2 6"

ECW TO PIPE NCU SP-DCA-112-Ei FW401 2" PIPE T

'IPE, BIMETALLIC N -* ' Tete Too JET- (WP 5AFE-EOD % EEM ETTOUS od rd No 6D%

mE%Sted TO 5 %

+~tD S WEL.os ecd (li ~IDTrs) ACE 6MLODec FccM THis DETAILED U 5't 3 w wee, w <

A.ae 'assee as msc.c CA rE4DGL9 D.

. gg conte Te SA F E-Ed b WEL:DS AE.E Ex c. LOD ED i D.C M Wlb DETF\\ t L ED L\\tir Fc R d l, t0L 4,4 09 UC; d\\ )

i 3

i OQ, Q uo, M D 0 C *> t'C4 EJ ET ' 3 WE L LASS W ) C A'Ti t'Q S

/<. E

\\QCt Vdc td TAGLE 2,

e APPENDIX B Listing and IGSCC Classifications of LGS Unit 2 items Requiring IGSCC Augmented Inspections NOTE: ISI weld numbers replace the "Weld Ho's" of Appendices A and B in the ISI Program I

- *s-o '.

LIMERICK UNIT 2 05/15.1i WELDS

- SYETEM !50 WELD NO DESCRIPTION IGSCC CA,.,,EGORY ADE-EMS-LA-N3A NOZZLE TO SAFE EN (GE) ( AZ. 7E)

MS

E-iMS-LA-WA01 GAFE END T' r!?E (GE)

.,... )

i. 4 c.

5.

MS

E - 1. C - L :- -

N38 NOII' TO SAFE END

.(G:

(42. 108) e g =. r y g s o

.t a r.,

. ' v..

._e 2::_ :

e.

,s..

w r.

oc 1ae)

(O ) I m..s.

4' G L

S.*,;; r.?JD a

?*

pw'm *

s_ _

.W

a. C 2*F. _:mc L*

i.

w oww

( r.:7 )

( m* 7...". r, M. r.i. )

' t "..S

C*

O TN. g 4 9 a t. a r.

.,.C.

20" wc. _. *.

v a

v.

q

. e

.n g =...)

.a.

( i. 7.J m..

ww

.f >N W

.lS sww.._f "a w C ** = F.

.87."**

.T. _ _,v. C _1_ *s h* w* %

8 s

,Y O.

e

( *. ; ) ( m* *4....c n. ? ?.:. )

w

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f* L " a b. i g C

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s P= "

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LIMERICK UNIT 2

o g o. h e.-

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.RWCU DCA-201-1 -3 SW3 6" ELBOW TO PIPE RWCU' DCA-101-1 -9 SW4 6" PIPE TO FLANGE A

(FE-iNO35)

A RWCU 004-201 1 -

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LIMERICK UNIT 2 WELDS t!/15/56 3YSTEM 150 WELD NO DESCRIPTION IGSCC CATEGORY A

RWCU DCA-101' FW16 4"

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A RWCU-DCA-101-4 TO PIEE A

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sge *;c.

WIiLDS 05/1'/25 SYSTEM '50 WELD NO DESCRIPTION IGSCC CATEGORY FW12 10" PIPE To N@

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LIMERICK. UNIT 2 f.' o g o

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LIMERICK UNIT 2

??/1!'38 WELDS GYSTEM ISO WELD NO DESCRIPTICN IGSCC CATEGORY RHR DCA-418-2 -2 FW6 LU ELBOW SEAM MAX! MUM NlA RHR DCA-418-2 -1 SW1 12 PIPE TO ELBOW

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LIMERICK UNIT 2

~

WELDS 05/15/is SYSTEM !50 WELD NO DESCRIPTION ICSCC CATEGORY b

RHR DCA-418-1 -1 FW4 LD ELBOW SEAM MAXIMUM Nb RHR DCA-418-3 -1 FW6 LU ELBOW SEAM MINIMUM M($

RH2 DCA-416-3 -1 FW6-LU ELBOW SEAM MAXIMUM AHR D"A-418-3 -1 SW1 12" CIPE TD ELBOW Nh0 Nk$

RHR DCA-416-3 -1 SW1 LD EL&DW SEAM MINIMUM Nkb 2

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LIMERICK UNIT 2 Ooga 'N:.

11 WELDS l'05/15/58 LSYSTEl-ISO WELD-NO. DESCRIPTION IGSCC CATEGORY RHR DCA-418-4 -1

'FW2 LU ELBOW SEAM MAXIMUM

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NlA 2

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ML20207D772

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