ML12233A701
| ML12233A701 | |
| Person / Time | |
|---|---|
| Site: | Indian Point  |
| Issue date: | 08/20/2012 |
| From: | - No Known Affiliation |
| To: | Atomic Safety and Licensing Board Panel |
| SECY RAS | |
| References | |
| RAS 23330, 50-247-LR, 50-286-LR, ASLBP 07-858-03-LR-BD01 | |
| Download: ML12233A701 (12) | |
Text
ENT000531 Submitted: August 20, 2012 ARTICLE IWA-2000 EXAMINATION AND INSPECTION IWA-2100 GENERAL the Owner's agent and qualified in accordance with IWA-2300.
A02 IWA-2110 DUTIES OF THE INSPECTOR (h) The Inspector may require, at any time, requalifi-(a) The Inspector shall review the inspection plan cation of any procedure or operator if the Inspector and, as necessary, the implementation schedule (IWA- has reason to believe that the requirements are not 2420) prior to the start of preservice inspection and being met.
each inspection interval. The review shall cover any (i) The Inspector shall certify the examination rec-features that are affected by the requirements of this ords after verifying that the requirements have been Division, as applicable, and shall include the following: met and that the records are correct.
( 1) examination categories and items (j) The Inspector shall verify that repair /replacement (2) test and examination requirements activities are performed in accordance with the require-(3) examination methods ments of the Owner's Repair/Replacement Program.
(k) The Inspector shall review the Repair/Replace-(4) percentage of parts selected for examination ment Program and its implementation.
(5) disposition of test results (6) test frequency (7) system pressure tests (8) sequence of successive examinations IWA-2120 QUALIFICATION OF Shop and field preservice examinations are exempt from AUTHORIZED INSPECTION prior review.
AGENCIES, INSPECTORS, AND (b) The Inspector shall review any revisions to the SUPERVISORS inspection plan and, as necessary, the implementation schedule during the preservice inspection or the inspec- (a) The inspection required by this Division shall tion interval. be performed:
(c) The Inspector shall submit a report to the Owner (1) where the plant is in the United States, by an documenting review of the items identified in IWA- Inspector employed by a State or Municipality of the 211O(a) and (b). United States or an Inspector regularly employed by an insurance company authorized to write boiler and (d) The Inspector shall verify that the required exami-pressure vessel insurance in the United States; nations and system pressure tests have been performed where the plant is in Canada, by an Inspector and the results recorded.
a Canadian Province or, if authorized
IWA*2120 GENERAL REQUIREMENTS IWA*2213 (c) The Authorized Inspection Agency shall be ac- (d) Illumination for examination shall meet the re-credited by AS ME in accordance with the provisions quirements specified in Table IWA-2211-1.
set forth in ASME QAI-l. (e) It is not necessary to measure the illumination level on each examination surface when the same portable nonbattery-powered light source (e.g., drop IWA-2130 ACCESS FOR INSPECTOR light) or similar installed lighting equipment is demon-strated to provide the illumination specified at the The Owner shall arrange for an Inspector to have maximum examination distance.
access to all parts of the plant as necessary to make (f) When a battery-powered light is used, the ade-the required inspections. The Owner shall keep the quacy of the illumination level shall be checked before Inspector informed of the progress of the preparatory and after each examination or series of examinations, work necessary to permit inspections and shall notify not to exceed 4 hr between checks.
the Inspector at a time reasonably in advance of when (g) Remote visual examination may be substituted the components will be ready for inspection. for direct examination. The remote examination proce-dure shall be demonstrated capable of resolving charac-ters in accordance with Table IWA-221l-1. Addition-IWA-2200 EXAMINATION METHODS ally, the remote examination system shall be capable of distinguishing the colors applicable to the component (a) The three types of examinations used during examination being conducted.
inservice inspection are defined as visual, surface, and volumetric. The examination method to be used is specified in Tables IWB-, IWC-, IWD-, IWE-, IWF-, IWA-2212 VT-2 Examination A03 and IWL-2S00-1. If a component must be examined in a high radiation area, remotely controlled equipment (a) VT-2 examination is conducted to detect evidence may be advisable. of leakage from pressure retaining components, with (b) When preparation of a surface for nondestructive or without leakage collection systems, as required during examination is required, the preparation shall be by a the system pressure test.
mechanical method. Such surfaces shall be blended (b) VT-2 examination shall be conducted in accord-into the surrounding area as may be required to perform ance with IWA-SOOO.
the examination. The wall thickness shall not be reduced below the minimum thickness required by design. Non-IWA-2213 VT-3 Examination A03 mandatory Appendix D may be used for such surface preparation. (a) VT-3 examination is conducted to determine the general mechanical and structural condition of compo-nents and their supports by verifying parameters such A02 IWA-2210 VISUAL EXAMINATIONS as clearances, settings, and physical displacements; to A03 detect discontinuities and imperfections, such as loss Visual examinations shall be conducted in accordance of integrity at bolted or welded connections, loose or with Section V, Article 9, T-941 for Written Procedures, missing parts, debris, corrosion, wear, or erosion; and and T-990 for Report of Examination Results. to detect conditions that could affect operability or functional adequacy of snubbers and constant load and
IWA-2213 2001 SECTION XI, DIVISION 1 IWA-2224 A02 TABLE IWA-221l-1 A03 VISUAL EXAMINATIONS Minimum Maximum Height, in. (mm),
Illumination, Maximum Direct for Procedure Visual fc Examination Distance, Demonstration Examination [Note (1)] ft (mm) Characters [Note (2)]
VT-l 50 2 (600) 0.044 n.O)
VT-3 50 N/A 0.105 0.0)
NOTES:
(1) Resolution ofthe specified characters can be used in lieu of illumination measurement to verify illumination adequacy.
(2) For procedure demonstration, a test chart or card containing text with some lowercase characters, without an ascender or descender (e.g., a, c, e, 0), that meet the specified height requirements is required.
Measurements of the test chart or card shall be made once before its initial use with an optical comparator (lax or greater) or other suitable instrument to verify that the height of the lowercase characters without an ascender or descender meets the specified requirements.
light) or similar installed lighting equipment is demon- ( c) Any flaw recorded by ultrasonic examination shall strated to provide the illumination specified in Table be compared to the volumetric examination acceptance IW A -2211-1 at the maximum examination distance. standards of Table IWB-3514-1 or Table IWB-3514-2 (f) Whl~n a battery-powered light is used, the ade- for surface planar flaw.
quacy of the illumination level shall be checked before and after each examination or series of examinations, not to exceed 4 hr between checks.
IWA-2221 Magnetic Particle Examination (g) Remote visual examination may be substituted for direct examination. The remote examination proce- (a) Magnetic particle examination shall be conducted dure shall be demonstrated capable of resolving charac- in accordance with Section V, Article 7.
ters in accordance with Table IWA-2211-1. Addition- ( b) Magnetic particle examination of coated materials ally, the remote visual examination system shall be shall be conducted in accordance with Section V, Article capable of distinguishing the colors applicable to the 7, Appendix I.
component examinations being conducted.
IWA-221S Replication IW A-2222 Liquid Penetrant Examination Surface replication methods may be used for VT-I Liquid penetrant examination shall be conducted in and VT-3 examinations when the surface resolution is accordance with Section V, Article 6.
at least equivalent to that of direct visual observation.
IWA-2223 Eddy Current Examination
IWA*2230 GENERAL REQUIREMENTS IWA*2231 IWA*2230 VOLUMETRIC EXAMINATION neutrons, may be utilized with appropriate image-re-cording devices, such as photographic film or papers, A volumetric examination indicates the presence of electrostatic systems, direct-image orthicons, or image discontinuities throughout the volume of material and converters. For radiographic examinations employing may be conducted from either the inside or outside either X-ray equipment or radioactive isotopes and surface of a component.
photographic films, the procedure shall be as specified in Article 2 of Section V.
IWA-2231 Radiographic Examination Radiographic techniques, employing penetrating radi-ation such as X-rays, gamma rays, or thermalized
IWA-2232 GENERAL REQUIREMENTS IWA-2311 IWA-2232 Ultrasonic Examination to the original schedule of successive inspections of IWB-2410 or IWC-2410, as applicable.
Ultrasonic examination shall be conducted in accord-ance with Appendix I.
IW A-2240 ALTERNA TIVE EXAMINATIONS A02 IWA-2233 Eddy Current Examination Alternative examination methods, a combination of methods, or newly developed techniques may be substi-Eddy current examination shall be conducted in tuted for the methods specified in the Construction accordance with Section V, Article 8, Appendix II. Code or this Division, provided the Inspector is satisfied that the results are demonstrated to be equivalent or superior to those of the specified method.
IWA-2234 Acoustic Emission Examination Acoustic emission may be used in lieu of the succes-sive inspections of IWB-2420(b) or IWC-2420(b) to IWA-2300 QUALIFICATIONS OF monitor growth of flaws detected by other NDE meth- NONDESTRUCTIVE ods. The flaws shall be sized by ultrasonic examination EXAMINATION PERSONNEL in accordance with Appendix I, Supplement 12, prior IW A-2310 GENERAL to initiating use of acoustic emission. Acoustic emission monitoring shall be initiated prior to resuming operation (a) Personnel performing nondestructive examina-of the system. Acoustic emission shall be conducted tions (NDE) shall be qualified and certified using a in accordance with Section V, Article 13, with the written practice prepared in accordance with following additional requirements. ANSI! ASNT CP-189, Standard for Qualification and (a) The following flaw growth calculation and accept- Certification of Nondestructive Testing Personnel, as ance criteria shall be used. amended by the requirements of this Division. Certifica-( 1) Every two months during the current inspection tions based on SNT-TC-IA, ANSI N4S.2.6, or earlier period, calculate the flaw growth in accordance with editions of ANSI! ASNT CP-189 are valid until recerti-Section V, Article 13, Appendix I. Using this growth fication is required. Recertification shall be in accord-rate, predict the flaw size at the end of the current ance with the edition of ANSI! ASNT CP-189 referenced inspection period. in IW A-1600 as amended by the requirements of this (2) If the calculated flaw size at the end of the Division. Outside agencies, as defined in Appendix VII, current inspection period meets the acceptance criteria may be used to qualify NDE personnel; however, the of IWB-3600 or IWC-3600, as applicable, continue the Employer shall be solely responsible for the certification two-month monitoring process described in (1) above. of Levels I, II, and III personnel. Nondestructive and visual examination personnel qualified and certified in (3) If the calculated flaw size at the end of the accordance with the requirements of this Division are current inspection period does not meet the acceptance qualified and certified to perform examinations in ac-criteria of IWB-3600 or IWC-3600, as applicable, the cordance with the requirements of previous Editions following actions shall be performed.
and Addenda.
Calculate the flaw size at the end of the next two-month time span. If this calculated flaw size
IWA-2312 2001 SECTION XI, DIVISION 1 IWA-2321 IW A-2312 NDE Methods Listed in ANSI! ASNT IWA-2316 Alternative Qualifications of VT-2 CP-189 Visual Examination Personnel (a) Qualifications shall be based on the methods, (a) In lieu of the requirements of IWA-231O through techniques, procedures, and equipment used for the IWA-2314, VT-2 visual examination personnel may be NDE required by this Division. qualified by satisfying the following requirements:
(b) Training, qualification, and certification of ultra- ( I) at least 40 hr plant walkdown experience, such sonic examination personnel shall also comply with as that gained by licensed and nonlicensed operators, the requirements of Appendix VII. local leak rate personnel, system engineers, quality (c) Training, qualification, and certification of visual control personnel, and nondestructive examination per-examination personnel shall comply with the require- sonnel ments of Appendix VI. (2) at least 4 hr of training in the Section XI (d) The visual examination training and experience requirements and plant-specific procedures for VT-2 hours specified in CP-189 shall be applied to the visual examination combined certification of an individual for VT-l, VT- (3) the vision test requirements of IWA-2321 2, and VT-3 visual examination. Certification in only (b) These alternative qualification requirements shall one of the VT techniques is a limited certification, and be described in the Employer's written practice.
the requirements of IW A-2350 apply.
IWA-2317 Alternative Qualifications of VT-3 IW A-2313 NDE Methods Not Listed in Visual Examination Personnel ANSI! ASNT CP-189 (a) In lieu of the requirements of IWA-231O through Personnel using NDE methods not addressed in IWA-2314, VT-3 visual examination personnel may be ANSI/ASNT CP-189 shall be qualified as defined in qualified by satisfying the following requirements:
ANSI! ASNT CP-189 or the ACCP and the Employer's ( I) at least 40 hours4.62963e-4 days <br />0.0111 hours <br />6.613757e-5 weeks <br />1.522e-5 months <br /> plant experience, such as written practice. that gained by plant personnel involved in installation, maintenance, or examination of pumps, valves, and supports, quality control personnel, and nondestructive IWA-2314 Certification and Recertification examination personnel (a) Personnel shall be qualified by examination and (2) at least 8 hr of training in the Section XI shall be certified in accordance with ANSII ASNT CP- requirements and plant-specific procedures for VT-3 189, except that the ASNT Level III certificate is not visual examination required. Levels I, II, and III personnel shall be recerti- (3) the vision test requirements of IWA-2321 fied by qualification examinations every 5 years. ( b) The alternative qualification requirements shall (b) Personnel qualified in accordance with the ACCP be described in the Employer's written practice.
shall be recertified by examination every 5 years.
(c) An ACCP certificate with current endorsements obtained by examination satisfies the General and Prac- IW A-2320 QUALIFICA TION EXAMINATIONS tice Examination requirements for Levels I and II NDE personnel. IWA-2321 Vision Tests be administered
IWA-2321 GENERAL REQUIREMENTS IWA-2323 TABLE IWA-2322-1 (3) At least fifteen (IS) questions that are similar NEAR-DISTANCE ACUITY TEST DISTANCES to published Level II questions for other NDT methods.
AND CHARACTER HEIGHTS (b) The Method Examination shall consist of at least Maximum Lower Case 65 questions:
Test Distance, Character Height,
( 1) At least thirty (30) questions related to funda-in. (mm) in. (mm) mentals and principles that are similar to published 12 (05) 0.022 (0.56) ASNT Level III questions for each method.
13 (30) 0.024 (0.61)
(2) At least fifteen (15) questions related to applica-14 (56) 0.025 (0.63) 15 (81) 0.027 (0.68) tion and establishment of procedures and techniques 16 (406) 0.029 (0.73) that are similar to published ASNT Level III questions for each method.
NOTE: The test distances (eye to chart) and corresponding character (3) At least twenty (20) questions related to capa-heights provide a visual angle of 6.25 minutes, which is equivalent to a Snellen fraction of 20/25. bility for interpreting codes, standards, and specifications related to the method.
(e) The Specific Examination shall contain at least 30 questions covering equipment, techniques, proce-dures, and administration of the Employer's written
( b) Personnel shall demonstrate the capability to dis- practice. The Specific Examination shall also cover the tinguish the colors applicable to the NDE methods for NDE requirements of this Division, including acceptance which certified and to differentiate contrast between standards and referenced codes and standards.
these colors. (d) The Practical Examination shall be in accordance with ANSI/ASNT CP-189 requirements.
(e) An ASNT Level III certificate with current en-IWA-2322 Near-Distance Test Chart dorsements obtained by examination for the applicable Qualification method satisfies the Basic and Method Examination A measurement of one of the near-distance test chart requirements.
characters shall be made once before initial use, with (j) When an outside agency administers the examina-an optical comparator (lOX or greater) or other suitable tion and only a pass or fail grade is issued, the Employer instrument, to verify that the height of a representative shall assign a grade of 80% for a pass grade.
lower case character, without an ascender or descender (g) Level III personnel shall be recertified using the (e.g., a, c, e, 0), for the selected type size, meets the written Method, Specific, and Practical Examinations requirements of Table IWA-2322-1. This measurement and the Demonstration Examination. Alternatively, shall be documented and traceable to the test chart. Level III personnel may be recertified using only the written Method and Specific Examinations, provided the following conditions are met:
01 IWA-2323 Level III Personnel ( 1) The Level III candidate was previously certified or recertified using all the written examinations and The qualifications of Level III NDE personnel shall the Demonstration Examination.
be evaluated using written examinations and a Demon-stration Examination. The written examinations shall The Level III candidate is not being recertified service as defined in the 17
IWA-2323 2001 SECTION XI, DIVISION 1 IWA-2420 Practical, and Demonstration examination requirements (a) Graduate of a 4-year accredited engineering or for Level III NDE personneL science college or university with a degree in engi-neering or science, plus I year experience in NDE in an assignment comparable to that of a Level II in the IWA-2330 LEVEL I RESPONSIBILITIES examination method.
Level I personnel shall use written procedures when (b) Completion with a passing grade of at least the performing specific setups, calibrations, and examina- equivalent of 2 full years of engineering or science tions and when recording data, These activities shall study at a university, college, or technical school, plus be conducted under the guidance of Level II or Level 2 years experience in an assignment comparable to that III personnel. Level I personnel shall not evaluate or of a Level II in the examination method.
accept the results of a nondestructive examination, (c) Four years experience in an assignment compara-ble to that of a Level II in the examination method.
IWA*2340 LEVEL III EDUCATION Level III candidates shall have high school or equiva- IWA*2380 NDE INSTRUCTOR A02 lent education, In lieu of the requirements of CP-189, a candidate being considered for qualification as an NDE Instructor IWA-2350 LIMITED CERTIFICATION shall satisfy the Level III Basic and Method Examination requirements of IWA-2323 and shall meet one of the Limited certification in a method is permitted for person- following requirements:
nel who are restricted to performing examinations of lim- (a) maintain a current teacher or vocational instruc-ited scope, i.e., limited operations or limited techniques tion certificate issued by a state, municipal, provincial, within the method. Topics that are not relevant to the lim- or federal authority; or ited certification may be deleted from the ANSI! ASNT (b) complete a minimum of 40 hr instruction in CP-189, Appendix VI, or Appendix VII training outline training and teaching techniques.
and may be accompanied by a corresponding reduction in training hours, examination content, and number of exami-nation questions. Only questions related to the limited IW A*2400 INSPECTION PROGRAM training are required. In addition, the required experience IWA-2410 APPLICA TION OF CODE EDITION may be reduced by a corresponding amount. The specific AND ADDENDA methods and techniques covered by limited certification and the training, examination, and experience require- The Code Edition and Addenda for preservice inspec-ments for limited certification shall be defined in the writ- tion and for initial and successive inservice inspection ten practice and documented in the individual's certifica- intervals shall be in accordance with 10CFR50, Section tion records. 50.55a.
IW A*2360 LEVEL I AND LEVEL II IWA-2420 INSPECTION PLANS AND TRAINING AND EXPERIENCE SCHEDULES A candidate may be qualified directly to Level Inspection plans and schedules shall be prepared for II with no time as a Level [ the the preservice inspection, the first inservice inspection and intervals.
IWA-2420 GENERAL REQUIREMENTS IWA-2430
( 1) identification of the components selected for (2) That portion of an inspection interval described examination and test, including successive exams from as an inspection period may be reduced or extended prior periods; by as much as 1 year to enable an inspection to (2) the Code requirements by examination category coincide with a plant outage. This adjustment shall not and item number for each component and the examina- alter the rules and requirements for scheduling inspec-tion or test to be performed and the extent of the tion intervals.
examination or test; (d) For components inspected under Program B, the (3) identification of drawings showing items that following shall apply:
require examination; ( 1) Each inspection interval may be reduced or (4) list of examination procedures; extended by as much as one year. Adjustments shall (5) description of alternative examinations and not cause successive intervals to be altered by more identification of components to be examined using than one year from the original pattern of intervals. If alternative methods; an inspection interval is extended, neither the start and end dates nor the in service inspection program for the (6) identification of calibration blocks used for successive interval need be revised.
ultrasonic examination of components.
(2) Examinations may be performed to satisfy the requirements of the extended interval in conjunction IWA*2425 INSPECTION PLAN AND with examinations performed to satisfy the requirements SCHEDULE SUPPORTING of the successive interval. However, an examination DOCUMENTS performed to satisfy requirements of either the extended interval or the successive interval shall not be credited Supporting documents necessary for inspection plan to both intervals.
and schedule implementation such as diagrams or system drawings showing boundaries and system classifications, (3) That portion of an inspection interval described procedures, specifications, and other documents required as an inspection period may be reduced or extended for implementation of the inservice examinations and by as much as one year to enable an inspection to tests shall be available at the plant site. coincide with a plant outage. This adjustment shall not alter the requirements for scheduling inspection intervals.
(4) The inspection interval for which an examina-IWA*2430 INSPECTION INTERVALS tion was performed shall be identified on examination (a) The inservice examinations and system pressure records.
tests required by IWB, IWC, IWD, IWE, and inservice (e) In addition to IWA-2430(c) and (d), for plants examinations and tests of IWF shall be completed that are out of service continuously for 6 months or during each of the inspection intervals for the service more, the inspection interval during which the outage lifetime of the plant. The inspections shall be performed occurred may be extended for a period equivalent to in accordance with the schedule of Inspection Program the outage and the original pattern of intervals extended A of IWA-2431, or optionally, Inspection Program B accordingly for successive intervals.
of rw A-2432. It is not required that the inspection (j) The inspection intervals for items installed by intervals of IWB, IWC, IWD, IWE, and IWF conform repair !replacement activities shall coincide with re-to the same inspection program. as determined by the calendar years
IWA-2431 2001 SECTION XI, DIVISION 1 IWA-2641 IWA-2431 Inspection Program A IW A-2S00 EXTENT OF EXAMINATION The inspection intervals shall comply with the follow- Requirements for examination of welds apply only ing, except as may be modified by IW A-2430(c): to welds joining items and not welds correcting flaws in 1st Inspection Interval - 3 years following initial start base material (including core closure welds in casting),
of plant commercial service unless otherwise stated.
2nd Inspection Interval - 7 years following the 1st inspection interval 3rd Inspection Interval - 13 years following the 2nd IWA-2600 WELD REFERENCE SYSTEM inspection interval 4th Inspection Interval - 17 years following the 3rd IWA-2610 GENERAL inspection interval A reference system shall be established for all welds Successive Inspection Intervals - follow IW A-2432 and areas subject to surface or volumetric examination.
Each such weld and area shall be located and identified by a system of reference points. The system shall IWA-2432 Inspection Program B permit identification of each weld, location of each The inspection intervals shall comply with the follow- weld centerline, and designation of regular intervals ing, except as modified by IWA-2430(d): along the length of the weld.
i sf Inspection Interval - 10 years following initial start of plant commercial service Successive Inspection intervals - 10 years following IWA-2620 PIPING the previous inspection interval Requirements for piping are provided in III-4300.
The rules of I1I-4300 may also be applied to piping not within the scope of III-II 00.
IWA-2440 APPLICATION OF CODE CASES IWA-2441 Section XI Code Cases IWA-2630 VESSELS (a) Code Cases to be used during a pre service or inservice inspection shall be identified in the Inspec- The requirements of Appendix A of Article 4 are tion Plan. acceptable for vessels examined in accordance with (b) Code Cases shall be applicable to the Edition Article 4 of Section V.
and Addenda specified in the Inspection Plan.
(c) Code Cases shall be in effect at the time the Inspection Plan is filed with the regulatory and enforce- IWA-2640 OTHER COMPONENTS ment authorities having jurisdiction at the plant site A reference system for component welds is given except as provided in IWA-244 I (d). in IWA-2641. A different system may be used provided (d) Code Cases issued subsequent to filing the Inspec- it meets the requirements of IW A-261O.
tion Plan may be proposed for use in amendments to the Inspection Plan.
Code Cases approved IWA-2641 Layout of Component Reference continue Points
IWA-2641 GENERAL REQUIREMENTS IWA-2641 the top of the component. The examination surfaces of the weld centerline. Zero deg point on the weld shall be identified as above or below the weld. shall be the top of the nozzle. The 0 deg point for (b) Longitudinal (Vertical) Welds. Longitudinal welds welds of nozzles centered in heads shaH be located at shall be laid out from the center line of circumferential the a deg axis of the vessel. Angular layout of the welds at the top end of the weld. The examination weld shall be made clockwise on the external surface, surface shaH be identified as clockwise or counterclock- counterclockwise on the internal surface. Zero, 90, 180, wise as viewed from the top of the component. and 270 deg lines shall be marked on all nozzle welds (c) Nozzle-fa-Vessel Welds. The external reference examined; 30 deg increment lines shall be marked on circle shall have a sufficient whole number of inches nozzle welds greater than 4 in. (102 mm) radius; 15 radius so that the circle falls on the vessel external deg increment lines shall be marked on nozzle welds surface beyond the weld fillet. The internal reference greater than 12 in. (305 mm) radius; 5 deg increment circle shall have a sufficient whole number of inches lines shall be marked on nozzle welds greater than 24 radius so that the circle falls within 1;2 in. (13 mm) in. (610 mm) radius.