ML072780552

2007/09/20-Oyster Creek September 2007 Evidentiary Hearing - Applicant Exhibit 48, ASME Code Section XI, Article IWE: Inservice Inspection, Repair, and Replacement of Class Mc Pressure-Retaining Components

ML072780552
Person / Time
Site:	Oyster Creek
Issue date:	09/20/2007
From:	AmerGen Energy Co
To:	Office of Nuclear Reactor Regulation
SECY RAS
References
50-219-LR, AmerGen-Applicant-48, RAS 14262
Download: ML072780552 (20)

Text

lia-5 1ýo-26,-L C..APPLICANT'S EXHIBIT 48 U.S. NUCLEAR'REGULATORY COMMISSION DOCKETED USNRC in the Mater of aFcil_. _ 0.. UL, October 1, 2007 (10:45am)

Docket NO.SQ-02. -LK Official Exhibit No.OFFERED b -ppicanVL ensee Intervenor

_______OFFICE OF SECRETARY RULEMAKINGS AND NR Other ADJUDICATIONS STAFF " INTB~IMIFIED on C Witness/Panel f/PT" AR IC E tionlaken.

DIVI7TE EJECTED WITHDRAWN ARTICLE IWE-1000 porererk SCOPE AND RESPONSIBILITY IWE-I100 SCOPE This Subsection provides the rules and requirements for inservice inspection, repair, and replacement of Class MC pressure retaining components and their in-tegral attachments, and of metallic shell and penetration liners of Class CC pressure retaining components and their integral attachments in light-water cooled plants.1WE-1200 COMPONENTS SUBJECT TO EXAMINATION IWT-1210 EXAMINATION REQUIREMENTS The examination requirements of this Subsection shall apply to Class MC pressure retaining components and their integral attachments and to metallic shell and penetration liners of Class CC pressure retaining com-ponents and their integral attachments.

These exami-nations shall apply to surface areas, including welds and base metal.IWE.1220 COMPONENTS EXEMPTED FROM EXAMINATION The following components (or parts of components) are exempted from the examination requirements of IWE-2000: (a) vessels, parts, and appurtenances that are outside the boundaries of the containment as defined in the Design Specifications;(b) embedded or inaccessible portions of contain-ment vessels, parts, and appurtenances that met the re-quirements of the original Construction Code;.(c') portions of containment vessels, parts, and ap-purtenances that become embedded or inaccessible as a result of vessel repair or replacement if the conditions of IWE-1232 and IWE-5220 are met;(d) piping, pumps, and valves that are. part of the containment system, or which penetrate or are attached to the containment vessel. These components shall be examined in accordance, with the rules of IWB or .IWC, as appropriate to the classification defined by the De-sign Specifications.

IWE-1230 ACCESSIBILITY FOR EXAMINATION

[WE-1231 Accessible Surface Areas (a) As a minimum, the following portions of Class MC containment vessels, parts, and appurtenances and Class CC metallic shell and penetration liners shall re-main accessible for either direct or remote visual ex-amination, from at least one side of the vessel, for the life of the plant: (1) openings and penetrations; (2) structural discontinuities; (3) single-welded butt joints from the weld side;(4) 80% of the surface area defined.in Table [WE-2500-1, Examination.Category E-A; and (5) surface areas identified in IWE-1240.(b) The requirements of IWE7-232 shall be met when accessibility for visual examination is not from the outside surface.IWE-1232 Inaccessible Surface Areas (a) Portions of Class MC containment vessels, parts, and appurtenances that are embedded in concrete or otherwise made inaccessible during construction of the vessel or as',a result of vessel repair, modification, or replacement are exempted from examination, provided: (1) no openings or penetrations are embedded in the concrete;(2) all welded joints that are inaccessible for ex-amination are double buttwelded and are fully radio-.graphed and, prior to being covered, are tested for leak tightness using a gas medium test, such as Halide Leak Detector Test: 215-T-e/np (c 4.e :'S:C I IWE-123 1992 SECTION XI -DIVISION I IM"E- 1242 (3) all weld joints that are not double butt welded (a) interior and exterior:

.containment "surface areAs remain accessible, for examination from the weld side; thatýare.subject to accelerated corrosion with no.or im-and irnalcorr.si.nallowance or areas ..:where: thel.. absence (4) the vessel is leak rate tested after completion or:jepeited-ioss of.protective coatings has resttlted:..in of construction, repair, or replacement to the leak rate substaniat:

otrrosioni.and pitting. Typical locations of requirements of the Design Specifications, such areas are those exposed to standing water, re-(b) Portions of Class. CC metallic shell and penetra- peated wetting and drying, persistent leakage, and tion liners that are embedded in concrete or otherwise those with geometries that- permit water accumulation, made inaccessible during construction or as a result of condensation, and microbiological attack. Such areas repair or replacement are exempted from examination, may include penetration sleeves, surfaces wetted during provided:

refueling, concrete-to-steel shell or liner interfaces, (1) all welded joints that are inaccessible for ex- embedment zones, leak chase channels, drain areas, or*amination are examined in accordance with CC-5520 sump liners.* and, prior to being covered or otherwise obstructed by (b). interior and exterior containment surface areas adjacent structures, components, parts, or appurte- that are subject to excessive wear from abrasion or ero-nances, are tested for leak tightness in accordance with sion that causes a loss of protective coatings, defor-CC-5536; and mation, or material loss. Typical locations of such (2) the containment is leak rate tested after com- areas are those subject. to substantial traffic, sliding (2)s the csntainmen isn lea rates tested after com-mi pletion of construction, repair, or replacement to the pads or supports, pins or devises, shear lugs, seismic leak rate requirements of the Design Specifications.

restraint%, surfaces exposed to water jets from testing operations or safety relief valve discharges, and areas that experience wear from frequent vibrations.

rWE-1240 SURFACE AREAS REQUIRING SIwi-1242 Identification of Examination Surface AUGMENTED EXAMINATION Areas MTr-1241 Examination Surface Areas Surface areas requiring augmented examination shall Surface areas likely to experience accelerated.

deg- be determined in accordance with IWE-1241, and shall radation and aging.require the augmented examinations be. identified in the Owner's Inspection Program.identified in Table IWE-2500-1, Examination Category Examination methods shall be in accordance with E-C. Such* areas include the following:

IWE-2500(c).

216 ARTICLE IWE-2000 EXAMINATION AND INSPECTION IWE-2200 .PRESERVICE EXAMINATION (a) Examinations listed in Table IWE-2500-1 shall be completed prior to initial plant startup. These pre-service examinations shall include the pressure retain-ing portions of components not exempted by IWE-1220.(b) When visual examinations are required, these ix-aminations shall be performed in accordance with [WE-2600, following the completion of the pressure test re-quired by the Construction Code and after application of protective coatings (e.g., paint) when such coatings are required.(c) When surface examinations are required by Ta-ble rWE-2500-1, shop or field examinations in accor-dance with NE-5000 for Class MC or CC-5500 for Class CC may serve in lieu of the on-site preservice examinations, provided.(1) the examinations are conducted by the same method :with equipment and techniques equivalent to those that are expected to be employed for subsequent inservice examinations; (2) the shop or field examination records are, or.can be, documented and identified in a form consistent with those required in IWA-6000; and (3) the examinations are performed after the pres-sure test required by the Construction Code has been completed.(d) When a vessel, liner, or a portion thereof is re-paired or replaced during the service lifetime of a plant, the preservice examination requirements for the vessel.repair or replacement shall be met.(1) When the repair or replacement is..performed while the plant. is. not in service, the preservice ex-*amination shall be performed prior to the resumption of service.(2). When the repair or replacement is performed while the plant is in service, the preservice examination may be deferred to the next scheduled plant outage, provided nondestructive examination in accordance with the approved repair program is performed.

(3) When a system leakage test, is required by IWE-5220, the preservice examination may be per-formed either prior to or following the test.(e) Welds made as part of a, repair or a replacement program shall be examined in accordance with the re-quirements of IWA-4000, except that for welds joining Class MC or Class CC components toy items designed, constructed, and installed to the requirements of Sec-tion 111, Class 1, 2, or 3, the examination requirements of IWB-2000, IWC-2000, or IWD-2000, as applicable, shall apply.(f) Preservice examination for a repair or replace-ment may be conducted prior to installation provided: (1) the examination is performed after ihe pressure test required by the Construction Code has been com-pleted;(2) the examination is conducted under conditions and with equipment and techniques equivalent to those that are expected to be employed for subsequent in-service examinations; and (3) the shop or field examination records are, or can be, documented and identified in a form consistent with that required by IWA-6000.(g) When paint or coatings are reapplied, the con-dition of the new paint or coating shall be documented in the preservice examination records.IWE-2400 INSPECTION SCHEDULE IWE-2410 INSPECTION PROGRAM Inservice examinations and system pressure tests may be performed during plant outages such as re-fueling shutdowns or maintenance shutdowns.

The re-quirements of either Inspection Program A or Inspec-tion Program B shall be met.IWE-2411 Inspection Program A (a). With the exception of the examinations that may be deferred until the end of an inspection interval, as 217 IWIE-2411 1992 SECTION XI -DIVISION I 1WE-2500 TABLE IWE-2411-1 INSPECTION PROGRAM A Inspection Period, Minimum Maximum Inspection.

Calendar Years of Examinations Examinations Interval Plant Service Completed, % Credited, %1st 3 100 100 2nd 7 33 67 10 100 100 3rd 13 16 34 17 40 50 20 66 75 23 100 100 4th 27 8 16 30 25 34 33 50 67 37 75 100 40 100 specified in Table IWE-2500-1, the required exami-.nations.

shall be completed during each successive in-spection interval, in accordance with Table IWE-241 1-1.Following completion of Program A after 40 -years, successive inspection intervals shall follow the 10 year inspection interval of Program. B.(b) The inspection period specified in IWE-241 1(a)may be decreased or extended by as much as 1 year to enable an inspection to coincide with a plant outage, within the limitations of lWA-2430(c).

IWE-2412 Inspection Program B (a) With the exception of the examinations that may be deferred until the end of an inspection interval, as specified in-Table IWE-2500-1, the required exami-nations shall be completed during each successive in-spection interval, in accordance with Table IWE-2412-i.

.(b) The inspection period specified in IWE-2412(a) may be decreased or extended by as much as 1 year to enable an inspection to coincide with a plant outage, within the limitations of IWA-2430(d).

IWE-2420 SUCCESSIVE INSPECTIONS (a) The sequence of component examinations estab-lished dring the first inspection interval shall be re-peated during each successive inspection interval, to the extent practical.(b) When component examination results require evaluation of flaws, areas of degradation, or repairs in TABLE IWE-2412-1 INSPECTION PROGRAM B Inspection Period, Calendar Years of Minimum Maximum Inspection Plant Service, .Examinations Examinations Interval Within the Interval Completed, % Credited, %1st 3 16 34 7 50 67 10 100 100 Successive 3 16 34 7 50 *67 10 100 100 accordance with IWE-3000, and the component is found to be acceptable for continued service, the areas containing such flaws, degradation, or repairs shall be reexamined during the next inspection period listed in the schedule of the inspection program of IWE-2411 or IWE-2412, in accordance with Table IWE-2500-l, Examination Category E-C.(c) When the reexaminations required by IWE-2420(b) reveal that the flaws, areas of degradation, or repairs remain essentially unchanged for three consec-utive inspection periods, the areas containing such flaws, degradation, or repairs no longer require aug-mented examination in accordance with Table IWE-2500-1, Examination Category E-C.IWE-2430 ADDITIONAL EXAMINATIONS (a) Examinations performed during any one inspec-tion that reveal flaws or areas-of degradation exceeding the acceptance standards of Table IWE-3410-1 shall be extended to .include an additional number of exami-nations within the same category approximately equal to the initial number of examinations during the in-spection.(b) When additional, flaws or areas of degradation that exceed the acceptance standards of Table IWE-3410ý1 are revealed, all of the remaining examinations within the same category shall be performed to the ex-tent specified in Table IWE-2500-1 for the inspection interval.IWE-2500 EXAMINATION AND PRESSURE TEST REQUIREMENTS (a) The method of examination for the components, parts, and items (e.g., seals, gaskets, and bolts) of the pressure retaining boundaries shall comply with those 218 IWE-2500 REQUIREMENTS FOR CLASS MC COMPONENTS rWE-2600/Examination Surface A-B " A 112 in. 1/2 in.B U I C D Examination Surface C-D (1) Surface areas accessible from both sides shall be visually examined using a VT-1 visual examination method.(2) Surface areas accessible from one side only-shall be examined for wall thinning using an ultrasonic thickness measurement method in accordance with Sec-tion V, T-544.(3) When ultrasonic thickness measurements are performed, one foot square grids shall be used. The number.and location of the grids shall be determined by the Owner.(4) Ultrasonic measurements shall be used to de-termine the minimum wall thickness within each grid.The location of the minimum wall thickness shall be marked such that periodic reexamination of that loca-tion can be performed in accordance with the require-ments of Table IWE-2500-1, Examination Category E-C.IWE-2600 CONDITION OF SURFACE TO BE EXAMINED (a) When a containment vessel or liner is painted or coated to protect surfaces from corrosion, preservice and inservice visual examinations shall be performed without the removal of the paint or coating.(b) When removal of paint or coating is required, it shall be removed in a manner that will not reduce the.base metal or weld thickness below the design thick-ness. Reapplied paint and coating systems shall be compatible with the existing system, and shall be ex-amined in accordance with IWE-2200(g).

Surface Areas A -B and C -D (* FIG: lWE-2500-1 biSSIMILAR METAL WELDS tabulated in Table IWE-2500-1, except where alternate examination methods are used that meet the require-ments of IWA-2240.(b) When paint or coatings are to be removed, the paint or coatings shall be visually examined in accor-dance with Table IWE-250(1-l prior to removal.(c) Examination methods for surface areas for aug-mented examination in IWE-1242 shall comply with the following criteria.219 Fig. rWE-2500-2 1992 SECTION XI -DIVISION I Examination area A-B 1 IlftdIrr L m containment shell or liner B External concrete-to-metal interface moisture barrier A Examination are C Internal co* interfact b -Embedded FIG. IWE-2500-2 EXAMINATION AREAS FOR MOISTURE BARRIERS.220 TABLE IWE-2500-1 (CONT'D)EXAMINATION CATEGORIES EXAMINATION CATEGORY E-A, CONTAINMENT SURFACES Extent and. Frequency of Examination Extent and. Frequency of Examination Item No.E1.10I El.11 E1.20 Parts Examined Containment Vessel Pressure Retaining Boundary Accessible Surface Areas2,3-5 Accessible Surface Areas7ý4.3 Vent System Accessible Surface Areasz,1.1,B Examination' Requirements/

Fig. No.Examination Method Acceptance Standard 1st Inspection Interval Successive Inspection Intervals Deferral of Inspection to End of Interval9 Method Standard Interval Inspection Intervals End of Interval 9-t 1 4- I 1 1 IWE-3510.1 IWE-3510.2 IWE-3510.3 IWE-3510.2 IWE-3510.3 General Visual?Visual, VT-3 Visual, VT-3 IWE-351 0.1 IWE-3510.2 IWE-3510.3 IWE-3510.2 IWE-3510.3 100%Prior to each Type A test'100%'5EH76fi "nter6ial 100%End of Interval 100%.Prior to each Type A test'100%100%End of Interval Not permissible N/A N/A:2,'ii:2, 111'-1 cr1*11 0 Cr, 0 z m 2: NOTES:, (1) Examination may be made from either the Inside or outside surface.(2) Examination shall Include structures that are parts of reinforcing structure, such as stiffening rings, manhole frames, and reinforcement around openings.(3) Not Including surface areas that are submerged or Insulated.

(4) Including the wetted surfaces of submerged areas and the portions of Insulated surface areas that are necessary to meet the requirements of IWE-1231fa)(4).

(5) Examinatlon slhall Include the acs between structural attachments and the pressure retaining boundary or reinforcing structure, except for nonstructural and temporary attachments as defined In NE-4435 and minor permanent attachments as defined In CC-4543.4.

Examination shall Include the weld metal and the base metal for 1/, In. beyond the edge of the weld.(6) Includes flow channeling devices within containment vessels.(7) Refer to IWE-3510.1 for General Visual examination method requirements.

to IWE-5220 for test requirements.

(9) Deferral of inspection Is not permissible In the 4th and successive Inspection Intervals.

TABLE IWE-2500-1 (CONT'D)EXAMINATION CATEGORIES I I I EXAMINATION CATEGORY E-B, PRESSURE RETAINING WELDS-___________

I-Examination Requirements/

Fig. No.2 _ I -r Y 0 1i -( -It and Frequency of Examinati!on, 1st v Deferral of pection Successl 11 nspection toInspectionInirerva'Is. .End of IntervalF Item l'n Parts I:'x;mivid Examination Method Acceptance Standard No Examined I J. I= = f c,3.10 E3.11 E3.12 E3.13 E3.20 E3.303 Containment Penetration Welds 3.3 Longitudinal Circumferential Flued Hpad and Bellows Seal Circumferential Welds Joined to the Penetration Flange Welds (Category C)0 Nozzle-to-Shell Welds (Category D)6 Visual, VT-I Visual, VT-1 Visual, VT-I IWE-3511 IWE-38i1 IWE-351 1 I 25% of the total number of welds 1.";z4umber of welds 1'2 , L .L--I--Permissible Permissible Permissible

)32 to z 25% of the total 25% of the total number of welds'.2 I number of welds", I-,i 1.J 25% of the total 1 25% of the total number of welds 2 I number of weldsl', v z.-'- I NOTES: ./'I " (1) Examination shall Include theweld metill and the base metal for 2/% In. beyond the edge of the weld.(2) Welds shall be randomly selec!dhroughout the containment and representative of the type of welds described by each Item number, (31 Examination shall include relds made In accordance with Section III, Class MC, Including those Class MC welds shown in Figs. NE-1120-1 and f4E-1132-1.

.." (4) Different welds sbalibe selected for examination each Inspection Interval.(5) Includes only,,ttflose welds subject to cyclic loads and thermal stress during normal plant operation.

(6) Welded Joldt categories are as defined In NE-3351 for Class MC and CC-3840 for Class CC.(7) tLeferrI ,f Inspection Is not permissible In the 4th and successive inspection Intervals.

I I I..............

k)TABLE IWE-2500-1 (CONT'D)EXAMINATION CATEGORIES EXAMINATION CATEGORY E-C, CONTAINMENT SURFACES REQUIRING AUGMENTED EXAMINATION Extent and Frequency of Examination Examination 1st Deferral of Item Parts Requirements/

Examination Acceptance Inspection Successive Inspection to No. Examined Fig. No. Method Standard Interval Inspection Intervals End of Interval 3 E4.10 Containment Surface Areas E4.11 Visible Surfaces Visual, VT-1 IWE-3512.1 100% of Surface 100% of Surface Not Permissible IWE-3512.2 Areas Identified Areas Identified by IWE-12421 by IWE-1242 2 E4.12 Surface Area Grid, Volumetric IWE-3512.3 100% of Minimum 100% of Minimum Not Permissible Minimum Wall Thickness Location Wall Thickness Wall Thickness Locations during Locations during each Inspection each Inspection Period, established Period, established in accordance In accordance with with IWE-2500(c)(3) 2 lWE-2500(c)(3)2 and and IWE-2500(c)(4) 2 IWE-2500(c)(4) 2 NOTES: (1) Containment surface areas requiring augmented examination are those identified In IWE-1240.(2) The extent of examination shall be 100% for each inspection period until the areas examined remain essentially unchanged for three consecutive Inspection periods..

Such areas no longer require augmented examination in accordance with )WE-2420(c).

(3) Deferral of inspection is not permissible In the 4th and successive Inspection Intervals.

(5 tl'-.."'ýir.

... ,.-rI 0 Cl Cl-I (d.~

TABLE IWE-2500-1 (CONT'D)EXAMINATION CATEGORIES EXAMINATION CATEGORY E-D, SEALS, GASKETS, AND MOISTURE BARRIERS Extent and Frequency of Examination Examination 1st Deferral of Item Parts Requirements/

Examination Acceptance Inspection Successive Inspection to No, Examined' Fig. No. Method Standard Interval Inspection Intervals End of Intervals E5,10 Seals' Visual, VT-3 IWE-3513 100% of each Item 100% of each Item Not permissible E5.20 Gaskets' Visual, VT-3 IWE-35'3 100% of each item 100% of each item Not permissible E5.30 Moisture Barrlers 2 ,2, 4 IWE-2500-2 Visual, VT-3 IWE-3513 100% of each item 100% of each item Not permissible NOTE: (1) Examination shall include seals and gaskets on airlocks, hatches, and other devices that are required to assure containment leak-tight Integrity.

(2) Examination shall include Internal and external containment moisture barrier materials at concrete-to-metal interfaces Intended to prevent intrusion of moisture against the pressure retaining metal containment shell or liner.(3) Containment moisture barrier materials Include caulking, flashing, and other sealants used for this application.

(4) Examination shall Include all accessible surfaces of Internal and external containment moisture barriers.(5) Deferral of inspection is not permissible In the 4th and successive Inspection Intervals.

I TABLE IWE-2500-1 (CONT'D)EXAMINATION CATEGORIES EXAMINATION CATEGORY E-F, PRESSURE RETAINING DISSIMILAR METAL WELDS Extent and Frequency of Examination Examination 1st Deferral of Item Parts Requirements/

Examination Acceptance Inspection Successive Inspection to No. ExamIned3, 5 Fig. No. Method Standard Interval Inspection Intervals 4 End of Intervalb E7.10 Dissimilar Metal Welds IWE-2500-1 Surface [WE-3514 50% of the total 50% of the total Permissible number of weldsl, 2 number of welds'.2 I')I..)1)~I Cr NOTES;(1) Examination shall include the weld metal and the base metal for 1/z in. beyond the edge of the weld.(2) Welds shall be randomly selected throughout the containment and representative of the type of welds described by each item number.(3) Includes dissimilar metal welds between the following combinations: (a) carbon or low alloy steels to high alloy steels (b) carbon or low alloy steels to high nickel alloys (c) high alloy steels to high nickel alloys (4) Different welds shall be selected for examination each inspection interval.(5) Includes only those welds subject to cyclic loads and thermal stress during normal plant operation.

(6) Deferral of Inspection is not permissible In the 4th and successive Inspection Intervals.

TABLE IWE-2500-1 (CONT'D)FX(AMTNATION CATEGORIES I I I t-)EXAMINATION CATEGORY E-G, PRESSURE RETAINING BOLTING Extent and Frequency of Examination Examination 1st Deferral of Item Parts Requirements/

Examination Acceptance Inspection Successive Inspection to No. Examined Fig. No. Method Standard Interval Inspection Intervals End of. Intervalb E8.10 Bolted Connections' Surfaces Visual, VT-1 IWE-3515 100% of each bolted 100% of each bolted Permissible3 connection 2 4 connection, 4 E8.20 Bolted Connections Boit torque or tension IWE-3515 100% of bolts 100% of bolts. Permissible test 5 NOTES: (1) Examination shall include bolts, studs, nuts, bushings, washers, and threads in base material and flange ligaments between threaded.stud holes.(2) Examination of bushlngs,:threads, and ligaments In base material of flanges Is required only when the connection is disassembled.

(3) Examination shall not be deferred when the connection is disassembled or when the bolting is removed.(4) All visible surfaces shall be examined, Bolting may remain in place under tension when disassembly Is not otherwise required.15) Bolt torque or tension test Is required only for bolted connections that have not been disassembled and reassembled during the Inspection Interval.(6) Deferral of Inspection Is not permissible In the 4th and successive Inspection intervals.

U'05 tn En..............

........

'-J TABLE IWE-2500-1 EXAMINATION CATEGORIES.

EXAMINATION CATEGORY E-P, ALL PRESSURE RETAINING COMPONENTS Extent and Frequency of Examination Examination/

1st Deferral of Item Parts Test Examination Acceptance Inspection Successive Inspection to No. Examined Requirements Method Standard Interval Inspection Intervals End of Interval Containment Vessel E9.10 Pressure Retaining Boundary?

System leakage 10 CFR 50, 10 CFR 50, Each repair, modifi- Each repair, modifi- Not permissible 1 test Appendix J App. J cation, or replace- cation, or replace-ment ment E9.20 Containment Penetration Bellows 10 CFR 50, 10 CFR 50, 10 CFR 50, 10 CFR 50, 10 CFR 50, Not permissiblei Appendix J Appendix J App. J -Appendix J, Appendix J (Type B test)E9.30 Airlocks 10 CFR 50, 10 CFR 50, 10 CFR 50, 10 CFR 50, 10 CFR 50, Not permissible 1 Appendix J Appendix J App. J Appendix J Appendix J (Type B test)E9.40 Seals and Gaskets 10 CFR 50, 1.0 CFR 50, 11 CFR 50, 10 CFR 50, 10 CFR 50, Not permissible Appendix J Appendix J App. J Appendix J Appendix J (Type B test)NOTES: (1) Leakage tests may be deferred until the next scheduled leakage test, if allowed by IWE-5222.(2) If leak chase channels are utilized, they shall beunplugged or tested in accordance with 10 CFR 50, Appendix J, Type 8 test.0 0 r ARTICLE IWE-3000 ACCEPTANCE STANDARDS IWE-3100 EVALUATION OF NONDESTRUCTIVE EXAMINATION RESULTS IWE-3110 PRESERVICE EXAMINATIONS IWE-3111 General The preservice examination required by IWE-2200 and performed in accordance with the procedures of-IWA-2200 shall be evaluated by the acceptance stan-dards specified in Table IWE-3410-1.

Acceptance of components for service shall be in accordance with 1WE-3112.

IWE-3114, and IWE-3115.IWE-3112 Acceptance (a) Components whose examination either confirms the absence of or reveals flaws or areas of degradation that do not exceed the acceptance standards of Table IWE-3410-1 shall be acceptable for service, provided the flaws or areas of degradation are recorded in ac-cordance with the requirements of IWA-1400(h) and IWA-6220 in terms of location, size, shape, orienta-tion, and distribution within the component.(b) Components whose examination reveals flaws or areas of degradation that do not meet the acceptance standards of Table IWE-3410-1 shall be unacceptable for: service. uidess such flaws or areas of degradation are removed or repaired., to the extent necessary to meet the acceptance standards, prior to placement of.the component in service.IWE-3114 Repairs and Reexaminations Repairs and reexaminations shall comply with the requirements of IWA-4000.

Reexamination shall be conducted in accordance with the requirements of IWA-2200; the recorded results shall demonstrate that the. repair meets the acceptance standards specified in Table IWE-3410-!.

IWE-3115 Review by Authorities (a) The repair program and the examination results.shall be subject to review by the enforcement author-ities having jurisdiction at the plant site..(b) Evaluation of examination results may be subject to review by the regulatory authority having jurisdiction at the plant site.IWE-3120 INSERVICE NONDESTRUCTIVE

• EXAMINATIONS IWVE-3121 General Inservice nondestructive examination results shall be compared with recorded results of the preservice ex-amination and prior inservice examinations.

Accep-tance of the components for continued service shall be in accordance with IWE-3122, IWE-3124, and IWE-3125.IWE-3122 Acceptance WIVE-3122.1 Acceptance by Examination.

Com-ponents whose examination results meet the acceptance standards listed in Table IWE-2500-1 shall be accept-able for continued service. Verified changes of flaws or areas -of degradation from prior examinations shall be recorded in accordance with IWA-1400(h) and IWA-6220.

Components that do not meet the accep-tance standards of "WE-3000 shall be corrected in ac-cordance with the provisions shown in IWE-3122.2, IWE-3122.3, or JWE-3122.4.

1NE-3122.2 Acceptance by Repair. Components whose examination results reveal flaws or areas of deg-radation that do not meet the acceptance standards list-ed in Table IWE-2500-1 shall be unacceptable for con-tinued service until the additional examination requirements of IWE-2430 are satisfied, and .the flaw or area of degradation is either removed by mechanical 228 1"T&-31212.2 REQUIREMENTS FOR CLASS MC COMPONENTS IWE-3510.1 t" methods or the component repaired to the extent nec-essary to meet the acceptance standards of IWE-3000.IWE-3122.3 Acceptance by As an alternative to the repair requirement of IWE-3122.2, the component or the portion of the component con-taining the flaw or area of degradation shall .be replaced in accordance with IWE-7000..

IWE-3122.4 Acceptance .by Evaluation (a) 'Components whose, examination results reveal flaws or areas of degradation that do not meet the ac-ceptance standards listed in Table IWE-3410-1 shall be acceptable for service without the removal or repair of the flaw or area of degradation or replacement if an engineering evaluation indicates that the flaw or area of degradation is nonstructural in nature or has no ef-fect on the structural integrity of the containment When supplemental examinations of IWE-3200 are re-quired, if either the thickness of the base metal is re-duced by no more than 10% of the nominal plate thick-ness or the reduced thickness can be shown by analysis to satisfy the. requirements of the Design Specifications,.

the component shall be acceptable by evaluation.(b) When flaws or areas of degradation are accepted by engineering evaluation, the area containing the flaw or. degradation.

shall be reexamined in accordance with IWE-2420(b) and (c).(c) When portions of later editions of the Construc-tion Code or Section MI are used, all related portions shall be met. The engineering evaluation shall be sub-ject to review by. the enforcement and regulatory au-thorities having jurisdiction at the plant site.IWE-3i24 Repairs and Reexaminations Repairs and reexaminations shall comply with the requirements of rWA-4000.

Reexarninations shall be conducted in accordance with the requirements of IWA-2200 and the recorded results *shall demonstrate that the repair meets the acceptance standards of Table IWE-3410-1.

IWE-3125 Review by Authorities The repair program and the reexamination results.shall be subject to review by the.enforcement author-ities having jurisdiction at the plant site.IWE-3130 INSERVICE VISUAL EXAMINATIONS Components, whose visual examination as specified in Table IWE-2500-1 reveals areas that are suspect, shall be unacceptable for continued service unless, fol-lowing verification of the suspect areas by the supple-mental examination as required by IWE-3200, the re-quirements of IWE-3120 are satisfied.

IWE-3200 SUPPLEMENTAL EXAMINATIONS Examinations that detect flaws or evidence of deg-radation that require evaluation in accordance with the requirements of TWE-3100 may be supplemented by other examination methods and techniques (IWA-2240) to determine the character of the flaw (i.e., size, shape, and orientation) or degradation.

Visual examinations that detect surface flaws or areas that are suspect shall be supplemented by either surface or volumetric ex-amination.

IWE-3400 STANDARDS IWE-3410 ACCEPTANCE STANDARDS The.acceptance standards of Table 1WE-3410-.1 shall be applied to evaluate the acceptability of the com-ponent for service following the preservice examination and each inservice examination.

IWE-34,30 ACCEPTABILITY Flaws. or areas of degradation that do not exceed the allowable acceptance standards of AWE-3500 for the respective examination category shall be acceptable.

[WE-3500 ACCEPTANCE STANDARDS IWE-3510 STANDARDS FOR EXAmENATION CATEGORY E-A, CONTAINMENT SURFACES.IWE-3510.1 Visual Examinations'-

General (a) The General Visual Examination shal be per-formed by, or under the direction of, a Registered Professional Engineer or other individual, knowledge-able in the requirements for design, inservice inspec-tion, and testing of Class MC and metallic liners of Class CC components.

The examination shall be per-formed either directly or remotely, by an examiner with visual acuity sufficient to detect evidence' of degrada-tion that -may affect either the containment structural integrity or leak tightness.(b) Prior to proceeding with a Type A test, condi-'tions that may affect containment structural integrity or 2129 1992 SECTION XI -DIVISION I IWE-3510.1 IWE-3512.2 TABLE IWE-3410-1 ACCEPTANCE STANDARDS Examination Component and Acceptance Category Part Examined Standard E-A Containment surfaces IWEý3510 E-B Pressure retaining welds IWE-3511 E-C Containment surfaces requiring augmented IWE-3512 examination E-D Seals, gaskets, and moisture barriers IWE-3513 E-F Pressure retaining dissimilar metal welds IWE-3514 E-G Pressure retaining bolting IWE-3515 E-P All pressure retaining components 10 CFR 50, Appendix J leak tightness shall be accepted by engineering eval-uation or corrected by repair or replacement in accor-dance with IWE-3122.IWE-3510.2 VT-3 Visual Examinations on Coated Areas. The inspected area, when painted or coated, shall be examined for evidence of flaking, blistering, peeling, discoloration, and other signs of distress.Areas that are suspect shall be accepted by engineering evaluation or corrected by repair or replacement in ac-cordance with IWE-3122.

Supplemental examinations in accordance with IWE-3200 shall be performed when specified as a result of the engineering evaluation.

ITWE-3510.3 VT-3 Visual Examinations on Non-coated Areas. The inspected area, shall be examined for evidence of cracking, discoloration, wear, pitting, excessive corrosion, arc strikes, gouges, surface dis-continuities, dents, and other signs of surface irregu-larities.

Areas that are suspect shall be accepted by engineering evaluation or corrected by repair or re-placement in accordance with IWE-3122.

Supplemental examinations in'accordance with IWE-3200 shall be performed when specified as a result of the engineering evaluation.

IWE-3511 Standards for Examination Category E-B, Pressure Retaining Welds IWE-3511.1 VT-1 Visual Examinations on Coated Areas. The inspected area, when painted or coated, shall be examined for evidence of flaking, blistering, peeling, discoloration, and other signs of distress.Areas that are suspect shall be accepted by engineering evaluation or corrected by repair or replacement in ac-cordance with IWE-3122.

Supplemental examinations in accordance with IWE-3200 shall be performed when specified as a result of the engineering evaluation:

IWE-3511.2 VT-1 Visual Examinations on Non-coated Areas. The inspected area shall be examined for evidence of cracking, discoloration, wear, pitting, excessive corrosion, arc strikes, gouges, surface dis-continuities, dents, and other signs of surface irregu-larities.

Areas that are suspect shall be accepted by engineering evaluation or corrected by repair or re-placement in accordance with IWE-3122.

Supplemental examinations in accordance.

with IWE-3200 shall be performed when specified as a result of the engineering evaluation.

IWE-35i2 Standards for Examination Category E-C, Containment Surfaces Requiring Augmented Examination IWE-3512.1 VT-i Visual Examinations on Coated Areas. The inspected area, when painted or coated, shall be examined for evidence of flaking, blistering, peeling, discoloration, and other signs of distress.Areas that are suspect shall be accepted by engineering evaluation or corrected by repair or replacement in ac-cordance with IWE-3122.

Supplemental examinations in accordance with IWE-3200 shall be performed when specified as a result of the engineering evaluation.

IWE-3512.2 VIT-1 Visual Examinations on Non-coated Areas. The inspected area shall be examined for evidence of cracking, discoloration.

wear, pitting, excessive corrosion, arc strikes, gouges, surface dis-*continuities, dents, and other signs of surface irregu-larities.

Areas that are suspect shall be accepted by engineering evaluation or corrected by repair or re-placement in accordance with lWE-3122I.

Supplemental

(*230 MT-E35L-2.2 REQUIREMENITS FOR CLASS MC COMPONENTS rWE_-3515.2 examinations in accordance with rWE-3200 shall be performed when specified as a result of the engineering evaluation.

IWE-3512.3 Ultrasonic Examination.

Containment vessel examinations that reVeal material loss exceeding 10% of the nominal containment wall thickness,, or ma-terial loss that is projected to exceed 10% of the nom-inal containment wall thickness prior to the next ex-amination, shall be documented.

Such areas shall be accepted by engineering evaluation or corrected by re-pair or replacement in accordance with IWE-3122.Supplemental examinations in accordance with IWE-3200 shall be performed when specified as a result of the engineering evaluation.

IWE-3513 Standards for Examination Category E-D, Seals, Gaskets, and Moisture Barriers IWE-3513.1 VT-3 Visual Examinations.

Seals, gaskets, ind moisture barriers shall be examined for wear, damage, erosion, tear, surface cracks, or other defects that may violate the leak-tight integrity.

De-fective items shall be repaired or replaced.,VE-3514 Standards for Examination Category E-F, Pressure Retaining Dissimilar Metal Welds IWE-3514.1 Surface Examinations.

The accep-tance-standards of IWVB-3514 shall apply within the ex-amination boundary of Fig. IWE-2500-1.

IWE-3515 Standards for Examination Category E-G, Pressure Retaining Bolting IWVE-3515.1 Visual Examinations.

Bolting mate-rials shall be examined in accordance with the material specification for defects which may cause the bolted connection to violate either the leak-tight or structural integrity.

Defective items shall be replaced.IWE-3515.2 Bolt Torque or Bolt Tension. Either bolt torque or bolt tension shall be within the limits specified for the original design. If no limits have been specified, acceptable bolt torque or bolt tension limits shall be determined and utilized.231 ARTICLE IWE-4000 REPAIR PROCEDURES IWE-4100 SCOPE The rules of IWA-4000 apply.232 ARTICLE IWE-5000.SYSTEM PRESSURE TESTS IWE-5200 SYSTEM TEST REQUIREMENTS rWs5210 GENERAL Except as noted in .IWE-5240, the requirements of IWA-5000 are not applicable to Class MC or Class CC components.

IWE-5220.

TESTS FOLLOWING REPAIR, MODIFICATION, OR REPLACEMENT IWE-5221 Leakage Test Except as noted in IWE-5222, repairs or modifica-tions to the pressure retaining boundary or replacement of Class MC or Class CC components shall be sub-jected to a pneumatic leakage test in accordance with the provisions ofTitle 10, Part 50 of the Code of Fed-eral Regulations, Appendix 1, Paragraph IV.A, which states: "Any major, modification, replacement of a component which is part of the primary reactor containment boundary, or resealing a seal-welded door, performed after the preoperational leakage rate test shall be fol-lowed by either a Type A, Type B, or Type C test, as.applicable for the area affected by. the modification..The measured leakage from this test shall. be included in the report to the Commission, required by V.A. The acceptance criteria of III.A:5.(b), 111.B.3., or III.C.3., as appropriate, shall be met. Minor modifications, re-placements, or resealing of seal-welded doors, per-formed directly prior to the conduct of a scheduled Type A test do not requ.ire a separate test.".IWE-5222 Deferral of Leakage Tests Leakage tests for the following minor repairs or modifications to the pressure retaining boundary may be deferred until, the next scheduled leakage test, pro-vided nondestructive examination is performed in ac-cordance with the approved repair program: (a) welds of attachments to the surface of the pres-.sure retaining boundary;.(b) repair cavities, the depth of which does not.pen-etrate the required design wall byFmore than 10%;and.(c) welds attaching penetrations that are NPS I or smaller.IWE-5240 VISUAL EXAMINATION The requirements of IWA-5246-for visual exami-nations are applicable.-WE-5250 CORRECTIVE MEASURES If the leakage test requirements of IWE-5221 cannot be satisfied, the source of leakageshall be located and the area shall be examined to the extent necessary to establish the requirements for corrective action. Repairs shall be. performed in accordance with the rules of lWE-4000 and leakage testing shall be reperforrned as required by IWE-5220, prior to returning the compo-nent to service. -233

/ARTICLE IWE-7000 REPLACEMENTS

• ,.WE-7100 GENERAL REQUIREMENTS The rules of IWA-4000 apply."i " 234