ML20069H302

Inservice Insp Rept on Dec 1981 to June 1982 for Period Apr 1979 to Aug 1982.Rept Describes Exams Performed on Class II Piping Sys

ML20069H302
Person / Time
Site:	Millstone
Issue date:	08/13/1982
From:	NORTHEAST NUCLEAR ENERGY CO.
To:
Shared Package
ML20069H294	List: ML20069H292 ML20069H302
References
TAC-11290, NUDOCS 8210190476
Download: ML20069H302 (12)

Text

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INSERVICE INSPECTION REPORT Class II Systems Millstone Nuclear Power Station Unit # 2 P.O. Box 128 Waterford, Connecticut 06385 Owner:

1 Northeast Nuclear Energy Company P.O. Box 270 Hartford, Connecticut 06101 Commercial Service Date:

December 26, 1975 l

Report Date:

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August 13, 1982

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Table of Contents Section Title I

Owner's Data Report (Form NIS-1)

II Introduction III Definitions IV NDE Procedures V

Personnel Qualifications VI Summary & Examination Results I,

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PAGE 3 Form NIS-1 Owners Data Report For Inservice Inspections

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As Required By The Provisions of The ASME Code Rules 1.0wner:

Northeast Nuclear Energy Company, P.O.

Box 270 Hartford, Ct. 06101

2. Plant:

Millstone Nuclear Power

Station, P.O. Box 128 Waterford, Ct. 06385

3. Plant Unit:

2 4.0wner Certificate Of Authorization

(?1 required):

Not Required

5. Commercial Service Date: December 26, 1975

6. National Board Number For Unit: 20914

7. Components Inspected:

Component or Manufacturer Manufacturer State or National Appurtenance or Installer or Installer Province No. Board No.

Serial No.

S.G.#1 M-Combustion N/A N/A 20928 I-Bechtel Support Members And-Components For Piping, I-Bechtel N/A N/A N/A Valves And Pumps l

8. Examination Dates: December 1981 to June 1982

9. Inspection Period: From April 1979 to August 1982

10. Abstract Of Examinations: Include a List Of Examinations and 1

a Statement Concerning Status Of Work Required For Current Interval.

Class II Systems: 22 Examinations Were Performed.This and Previous Examinations Performed Represent 100 Percent Of The Examinations Required For The Current Period.

11. Abstract of Conditions Noted: No Reportable Indications Were Identified In the Class II Portion Of The Program.

Several Hangers Were Identified As Being Removed And Several Hangers Were Added To The Lines. This Is A Result Of The Ongoing 79-02 & 79-14 Programs.

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12. Abstract Of Corrective Measures Recommended And Taken: The 10 Year Program Will Be Updated And Hangers Deleted And Added As Necessary, Also The Isometric Drawings Will Be Changed To Reflect The Changes Observed During The Examinations.

We Certify That The Statements Made In This Report Are correct And The Examinations And Corrective Measures Taken Conform To The Rules of The ASME Code Section XI.

Date

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V' vt J.J.Kelley j

Superintendent, Millstone Unit #2 Certification of Authorization No.

(if applicable):

N/A CERTIFICATE OF INSERVICE INSPECTION I the undersisned, holding a valid commision issued by the

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National Board of Boiler and Pressure Vessel Inspectors and/or the State or Province of CE and employed by the Hartford Steam Boiler Inspection and Insurance Company of Hartford Ct. have inspected the components desgribed in this owner's Data Report during the period of & -F/

to

/ SF and state that to the best of my knowledge and belief the Owner has performed examinations and taken corrective measures described in this owner's Data Report in accordance with the requirements of the ASME Code Section XI.

By signing this certificate neither the Inspector nor his employer makes any warranty, expressed or implied, concerning the examinations and corrective measures described in this i

Owner's Data Report. Furthermore, neither the Inspector nor

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his employer shall be liable in any manner for any personal injury or property damage or a loss of any kind arising from or connected with this inspection.

Date:

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Commissions C 7 N/f InspectQ;pe's Signature National Board, State, Province and No.

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I

'O INTRODUCTION i

This report contains the results of the second Class II inspection inspection of the Millstone Nuclear Power Station Unit # 2.

The examinations were performed to meet the requirements of the ASME Boiler and Pressure Vessel Code Section XI, 1974 Edition, including the Summer 1975 Addenda. The Class III exkmination records are on file at Millstone Unit # 2 for review.

The examinations were performed by personnel from the Northeast Utilities Service Co.,

Nuclear En ineering & Operations group, 7 and personnel from Magnmflux Qualfty Services Co.

All racerds, examination data sheets, personnel certifications, equipment and material certifications for the examinations performed are on file at the Millstone Nuclear Power Station Unit # 2.

All items listed in this report are creditable items in the Inservice Inspection Ten-Year Class II Program.

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~ lO DEFINITIONS Volumetric: Ultrasonic test (U.T.)

Visual: Visual examination (V.T.)

Surface: Penetrant test (P.T.)

Reportable indications (U.T.): Those indications which equal or exceed the recording requirements of the respective procedure and that are determined not to be geometric reflectors after preliminary evaluation by a level III.

No reportable indications (U.T.): A) Those i ndications which are less than the recording requirements of the respective procedure.

B) Those indications which equal or 9xceed the recording requirements of the respective procedure but that are determined to be caused by geometric reflectors after preliminary evaluation by a level III.

Satisfactory (V.T.): Those visual examinations for which no degradation of component integrity was observed, that meets the requirements of'the respective procedure.

No reportable indications (P.T.): Those surface examinations which resulted in findings within the acceptance criteria listed i n the i

respective procedure.

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{.D NDE PROCEDURES Procedure Number Revision & Date Title NU-UT-1 2

3/18/81 Ultrasonic Examination Procedure General Requirementa NU-UT-2 0

Ultrasonic Examination Procedure For Austenatic Piping Welds

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NU-UT-18 0

3/18/81 Ultrasonic Examination Procedure For Steam Generator Walds NU-VT-1 1

12/12/78 Procedure For Visual Examination NU-LP-1 1

3/18/81 Procedure For Liquid Penetrant Examination F--

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PAGE 8 kO PERSONNEL QUALIFICATIONS NUSCo Method ASNT-TC-1A Level Richard J.

Fuller, Jr.

VT,PT,UT,MT II,II,II,II Steven L. Sikorski VT,PT,UT,MT,RT III,III,III,II,III Raymond A. West VT,PT,UT,RT II,II,II,II Magnaflux Method ASNT-TC-1A Level Peter Durand VT,UT II,I Thomas Jellema VT II n

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PAGE 9 ULTRASONIC TEST INSTRUMENT LIST Manufacturer-Model' Serial Number Krautkramer-Branson USL-38 210158 Krautkramer-Branson USL-38 QA-3030 ULTRASONIC TRANSDUCER LIST Manufacturer Model Serial Number Frecuencv(MHz)

K-B-Aerotech Gamma.750"dia.

J05932 2.25 K-B-Aerotech Gamma.5"X1.0" B26091 2.25 Sonic

.5"XI.0" 00841T 2.25 MATERIAL LIST Item Manufacturer Tvon Batch Number UT Couplant K-B-Aarotech Exosen-20 0821802001

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Spotcheck Magnaflux Corp. SKC-S Formula B 81H055 Cleaner Spotcheck Magnaflux Corp. SKL-HF/SKL-S 80C112 Penetrant Formula B Spotcheck Magnaflux Corp. SKD-S Formula B 80C091 l

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CATEGORY C-A Examination Area: Circumferential Butt Welds Examination Method: Volumetric Examination Item Results Remarks 1-SC-2 No Reportable Indications None 7 SG-1-THS-2 No Reportable Indications None SIAC-A-1 No Reportable Indications None SIAC-A-2 No Reportable Indications None O

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CATEGORY C-E-1 Examination Area: Integrally Walded Supports Examination Method: Surface Examination Item Results Remarks 312012 No Reportable Indications None

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b CATEGORY C-E-2 Examination Area: Support Components l

Examination Method: Visual

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Examination Item Results Remarks i

402103 Satisfactory None I

S.G.#1 SS-1 Satisfactory None

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S.G.#1 SS-2 Satisfactory None S.G.#1 SS-3 Satisfactory None i

S.G.#1 SS-4 Satisfactory Initial inspection revealed 2 loose nuts l

nuts were tightened, reexamined and found satisfactory

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S.G.#1 SS-5 Satisfactory None

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S.G.#1 SS-6 Satisfactory None S.G.#1 SS-7 Satisfactory None S.G.#1 SS-8 Satisfactory None S.G.#2 SS-1 Satisfactory None 3.G.#2 SS-2 Satisfactory None S.G.#2 SS-3 Satisfactory None S.G.#2 SS-4 Satisfactory None S.G.#2 SS-5 Satisfactory None

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S.G.#2 SS-6 Satisfactory None

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S.G.#2 SS-7

. Satisfactory None S.G.#2 SS-8 Satisfactory None i

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