ML20202A973
| ML20202A973 | |
| Person / Time | |
|---|---|
| Site: | Comanche Peak  |
| Issue date: | 02/18/1983 |
| From: | Douglas Dodson BROWN & ROOT, INC. (SUBS. OF HALLIBURTON CO.) |
| To: | |
| Shared Package | |
| ML18052B537 | List:
|
| References | |
| FOIA-85-59 QI-QAP-10.2-1, NUDOCS 8607100165 | |
| Download: ML20202A973 (136) | |
Text
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NDGER RMSM sacw AND acor, nic. PAGE crsts QI-QAP-10.2-1 3 fEB 18198 1 of 12 IIRE: REVIENED BY: ) N 7 ~/8- 33 DAT:
LIQUID PENETRANT EXAMINATION APPROVED SY: c9 8-83 Site NDE L 1I- 0 ATE APPROVED SY: .
88O Site ~QA Manager V DATE
1.0 REFERENCES
1-A ASME Boiler & Pressure Vessel Code, Sections III and V,1974 -
Edition, through Summer 1974 Addenda for Piping / Winter 1974 -
Addenda for Component Supports and ASME Section III, 1977 Edition for Liquid Penetrant Acceptance Criteria 1-B AWS D1.1, Structural Welding Code,1975 Edition 1-C ANSI B31.1, American National Standard Code for Pressure Piping,1973 Edition, through Winter 1974 Addenda 1-D QI-QAP-2.1-1, "NDE Personnel Cerification" 1-E CP-QAP-10.2, " Nondestructive Examination Procedure Qualification and Control" 1-F QI-QAP-10.2-8, "NDE Marking Requirements" 2.0 GENERAL 2.1 PURPOSE This instruction provides detaib4 instructions for the performance and evaluation of D4uir penetrant examination utilizing the solvent removabit , ds' le-dye, color-contrast process at the Comanche Peak P w n ctric Station (CPSES).
2.2 SCOPE This instruction contains specific instructions to follow when perfoming Liquid Penetrant examination in accordance wi th References 1-A,1-B,1-C.
- 01 N :0R V A" O N .0N _Y l 8607100165 860630 ,
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I SROWN & ROOT, INC. ISSUE CPSES NUMBER REVISION DATE PAGE JOB 35-1195 3 2 of 12 QI-QAP-10.2-1 pg y g 2.3 PERSONNEL QUALIFICATIONS All B&R inspectors shall be trained, qualified and certified in accordance with the requirements of Reference 1-D.
2.4 PROCEDURE QUALIFICATION
,This instruction shall be qualified in accordance with Reference 1-E. ,
2.5 MATERIALS AND EQUIPMENT 2.5.1 Material Requirements --
- a. Materials used to perfonn liquid penetrant examination in accordance with this procedure shall be certified in accordance with Reference 1-A.
- b. A certified copy of the test results of the analysis for sulfur and halogens content for each batch tested shall be forwarded to the Owner.
2.5.2 Penetrant Examination Materials The following groups of penetrant materials may be used for examinations in accordance with this procedure provided the requirements of paragraph 2.5.1 are met:
- a. URESCO " Tracer Tech" Penetrant Type P-300A Remover Type K-410C Developer Type D-495C
- b. Magnaflux "Spotcheck" i Penetrant Type SKL-HF/SKL-S Remover Type SKC-S or SKC-NF or SKC-NF/ZC-7B l Developer Type SKD-NF or SKD-S 4 c. TURCO Product " Dye Check" Penetrant #2 Remover #3 Developer Non-aqueous Penetrant materials used shall be of the same group or family.
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~SROWN & ROOT, INC. ISSUE ,
CPSES NUMBER REVISION DATE PAGE
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QI-QAP-10.2-1 3 3 f 12 FEB 181983 2.6 AREA 0F TEST 2.6.1 Examination Area' The test area shall include the weld and the adjacent base material for 1/2 inch on each side.
2.6.2 Preparation of Surfaces Surfaces to be examined shall be prepared as follows:
- a. All surfaces to be examined and any adjacent areas within at least 1 inch shall be dry and free of weld -.
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spatter, scale, grease, paint, oily films, dirt and other extraneous materials that could obscure surface opening or otherwise interfere with the examination. .
- b. Surfaces shall have a finish that will permit proper l performance of the examination and interpretation of I developed indications. The surfaces shall have no abrupt ridges or valleys that might mask indications of unacceptable discontinuities.
- c. Neither power wire bru shing, grit blasting nor sandblasting shall be performed on surfaces to receive liquid penetrant examination.
2.6.3 Temperatures Temperature of the base material and penetrant materials shall be between 60*F and 125'F when the examination is being perfomed.
2.6.4 Lighting in Examination Area The examination area shall t.:ve adequate lighting for proper evaluation of indications revealed on the examination surface. Adequate lighting is defined as that amount of lignt which enables the inspector to readily distinguish the 1/32 inch graduations on a standard steel scale, i
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BROWN & ROOT, INC. ISSUE CPSES NUMBER REVISION DATE PAGE QI-qAP-10.2-1 3 # # **
FEB 181983 3.0 INSTRUCTION 3.1 PRE-CLEANING Cleaning of surfaces to be examined and any adjacent areas within : inch shall be accomplished before applying the penetrant. Materials such as acetone, isopropyl alcohol or materials referenced in paragraph 2.5.2 of this procedure may be used. Surfaces shall be completely dry before application of pene'trant. (Permit 5 minutes time to elapse prior to application of penetrant after cleaning to allow cleaner to evaporate.)
NOTE: When conducting liquid penetrant test over an area which has been acid tested, the requirements of Attachment I shall be performed prior to pre-cleaning. _
3.2 APPLICATION OF PENETRANT The surface to be examined, including adjacent areas within 1/2 inch where possible, shall be thoroughly and uniformly coated with penetrant. Application shall be accomplished by brushing, dipping or spraying. Surfaces shall be kept completely wet for a minimum of 10 minutes and a maximum of 20 minutes.
Any drying of penetrant during this time requires re-cleaning and re-examination of the area being tested.
NOTE: The penetrant shall be applied to an area that can be cleaned and developer applied within 10 minutes after penetrant removal 3.3 REMOVAL OF EXCESS PENETRANT As much excess penetrant as possible shall be removed by-wiping the surface thoroughly with a clean, dry, lint-free cloth or approved absorbent paper. The remaining excess penetrant . shall be removed by wiping the surface with a clean, lint-free cloth or appicred absorbent paper dampened with approved penetrant remover. To minimize removal of penetrant from discontinuities, care shall be taken to avoid the use of excess solvent. Soaking or flushing the surface of the part with solvent is strictly prohibited. Should an area become soaked or flooded with solvent; it shall be thoroughly cleaned and re-tested.
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SROWN & ROOT, INC. ISSUE
.YJMBER REVISION DATE PAGE CPSES
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3 5 of 12 QI-QAP-10.2-1 g yg 3.4 SURFACE DRYING The drying of examination surfaces after the removal of excess penetrant shall be accomplished by nomal evaporation.
The time for surface drying af ter removal of excess penetrant shall be limited to a minimum of 5 minutes and a maximum of 10 minutes before the application of developer.
3.5 DEVELOPING A non-aqueous wet developer as specified in paragraph 2.5.2 of this procedure shall be used.
Prior to applying the developer to the surface, the developer shall be thoroughly agitated to ensure adequate dispersion of the suspended particles.
The developer shall be sprayed onto the examination area ;
with an even, uniform coating of the minimum sufficient i thickness to eliminate the characteristic sheen of the metal. Pools, laps or runs of developer caused by excessive coating on the examination surface shall not be permitted.
If excessive coating occurs, the area shall be cleaned and re-tested.
3.6 EXAMINATION During the application of developer, it is a good practice to observe the surface of the item being tested in order to detect the nature of any indications which tend to bleed-out profusely. Final interpretation shall be made after allowing the penetrant to bleed-out for a minimum of 7 minutes to a maximum of 30 minutes.
3.7 EVALUATION OF INDICATIONS 3.7.1 Mechanical Discontinuities Mechanical discontinuities at the surface are indicated localized by bleeding-out of the penetrant; however, surface imperfections such as may occur from machining marks or surface conditions may produce similar indica-tions which are non-relevant to the detection of unacceptable discontinuities.
BROWN & ROOT, INC. ISSUE CPSES NUMBER REVISION DATE PAGE J08 35-1195 3 6 f 12 QI-QAP-10.2-1 FEB 181983 3.7.2 Non-relevant Indications Any indication believed to be non-relevant shall be regarded as a defect and re-examined to verify whether or not actual defects are present. Surface conditioning may precede the re-examination. Non-relevant indications and broad reas of pigmentation which would mask indications of defccts are unacceptable.
3.7.3 Relevant Indications Relevant indications are those which result from mechanical discontinuities. Linear indications are those indications --
in which the length is more than 3 times the width. Rounded indications are indications which are circular or elliptical with the length less than 3 times the width. ,
3.7.4 Marking Requirements l Marking when required shall be in accordance with Reference 1-F.
3.8 FINAL CLEANING Upon completion of the examination, the penetrant materials shall be removed as soon as possible by an acceptable method.
3.9 ACCEPTANCE CRITERIA Acceptance criteria are found in Attachment 2 (A, B, C, D and E) of this instruction.
NOTE: For ASME and ANSI B31.1 welds, material adjacent to the weld shall be evaluated in accordance with Attachment 2-C.
3.10 REPORTS The MT/PT report, (Attachment 3), shall contain as a minimum, the following infomation:
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BROWN & ROOT. INC. ISSUE CPSES NUMBER REVISION DATE PAGE
~l 3 7 f 12 QI-QAP-10.2-1 FEB 181983
- a. Identification of item being examined.
- b. Penetrant procedure identification number.
- c. Acceptance criteria.
- d. Examination results.
- e. Inspector's signature and level of certification.
- f. Date of examination.
- g. Batch number of the penetrant materials ~ used.
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SROWN & ROOT, INC. ISSUE CPSES NUMBER REVISION DATE PAGE JOB 35-1195 3 8 of 12 QI-QAP-10.2-1 g ATTACHMENT 1 MODIFICATION BY WESTINGHOUSE ACID TEST PROCEDURE The listed modification by Westinghouse specification S.O. 140/225 take precedence over the main body of this procedure when examining areas that have been acid tested.
- a. Following an acceptable acid test, wash the test area with demineralized water keeping it well wetted for minimum of two minutes. Wipe the test surface dry. .
Forced air circulation may be used; if used, the --
temperature of the test surface does not exceed 125 F. -~
After drying, immediately complete test as per paragraph 3.0. ,
ATTACif4ENT 2-A ACCEPTANCE CRITERIA ACCEPTANCE CRITERIA FOR ASME SECTION III NB, NC, ND. AND NF WELDS A. Only indications with major dimensions greater than 1/16 in.
are considered relevant.
B. Unless otherwise specified, the following relevant indications are unacceptable:
- 1. Any cracks and linear indications.
- 2. Rounded indications with dimensions greater than 3/16 inch.
- 3. Four or more rounded indications aligned and separated by 1/16 inch or less, edge to edge.
- 4. Ten or more rounded indications in any 6 sq.
inches of surface, with the major dimension of this area not exceeding 6 in., with the area taken in the most unfavorable location relative to the indications being evaluated.
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BROWN & ROOT, INC. ISSUE CPSES NUMBER REVISION DATE PAGE I
JOB 35-1195 3 9 f 12 QI-QAP-10.2-1 FEB 181983 ATTACHMENT 2-B ACCEPTANCE CRITERIA FOR WELD PREPARATION EDGES OF ASME SECTION III, NB, NC CLASS 1 AND 2 COMP 0NENTS' Unless otherwise specified, weld edge preparation surfaces for joints, categcries A, B. C, D and similar joints in material two inches or more in thickness, shall be evaluated as follows:
- a. Only indications with a major dimension greater than _
1/16 in. are considered relevant; j
- b. Laminar type discontinuities are acceptable without i repair if they do not exceed 1 in. in length. The ~
extent of all laminar-type indications exceeding 1 in.
in length'shall be determined by ultrasonic examination.
Indications exceeding 1 in. in length shall be repaired by welding to a depth of 3/8 in. or the depth of the indication, whichever is less, unless the ultrasonic examination reveals that additional depth of repair is required to meet the ultrasonic examination requirements for the material being examined.
- c. Other non-laminar relevant indications which are unacceptable are:
- 1. Any linear indications greater than 3/16 in. long;
- 2. Rounded indications with dimensions greater than 3/16 inch.
- 3. Four or more rounded indications, aligned and separated by 1/16 in. or less, edge to edge.
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SROWN & ROOT, INC. ISSUE CPSES NUMBER REVISION DATE PAGE J08 35-1195 Ql-QAP-10.2-1 3 10 f 12 FEB 18 E33 ATTACHMENT 2-C ACCEPTANCE CRITERIA FOR ASME SECTION III MATERIALS
- a. Only indications with major dimensions greater 'than ~~ ~
1/16 in, are considered relevant.
- b. The following relevant indications are unacceptable:
- 1. Any linear indications greater than 1/16 in. long for materials less than 5/8 in. thick, greater -
than 1/8 in. long for materials from 5/8 in, thick j to under 2 in, thick, and 3/16 in. long for materials 2 in thick and greater;
- 2. Rounded indications with dimensions greater than 1/8 in. for thickness less than 5/8 in, and greater than 3/16 in. for thicknesses 5/8 in, and d
greater.
- 3. Four or more indications in a line separated by 1/16 in. or less, edge, to edge;
- 4. Ten or more indications in any 6 sq. in. of area whose major dimension is no more than 6 in. with the dimensions taken in the most unfavorable location relative to the indications being evaluated.
ATTACHMENT 2-D ACCEPTANCE CRITERIA FOR AWS D1.1 WELDS FOR DESIGN OF NEW BUILDINGS The following relevant indications are unacceptable:
- 1. Any crack or linear indication;
- 2. The sum of diameters of piping porosity exceeding 3/8 inch in any linear inch of weld or 3/4 inch in any 12 inch length of weld.
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SROWN & ROOT, INC. ISSUE CPSES NUMBER REVISION DATE PAGE JOB 35-1195 QI-QAP-10.2-1 3 FEB 181933 11 of 12 ATTACHMENT 2-E ACCEPTANCE CRITERIA FOR ANSI B31.1 WELDS Unless otherwise specified, the following relevance indications 4 are unacceptable:
- a. Any cracks and linear indications.
, b. Rounded indications with dimensions greater than 3/16 inch. _:
- c. Four or more rounded indications aligned and separated by 1/16 in or less, edge to edge.
- d. Ten or more rounded indications in any 6 sq. in. of surface, the major dimension of this area not exceeding j 6 in., with the area taken in the most unfavorable location relative to the indications being evaluated.
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- w. This statement prepared by: I (a 7/JoI/
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Approved by: .
~~ Project Director Date I
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/)&w O APPENDIX A NOTICE OF VIOLATION Texas Utilities Generating Company Docket: 50-446/82-11 Permit: CPPR-127 Comanche Peak Unit 2 Based on the results of an NRC inspection conducted during the period November 1 and 3-5, 1982, and in accordance with the NRC Enforcement Policy (10 CFR Part 2, Appendix C), 47 FR 9987, dated March 9, 1982, the following violation was identified:
Failure to Follow Procedure 10 CFR Part 50, Appendix B, Criterion V, states in part: Activities T affecting quality shall be prescribed by documented instructions, procedures, or drawings, of a type appropriate to the circumstances and shall be accomplished in accordance with tbnse instructions, procedures, or drawings. Brown & Root, Inc., Procedure QI-QAP-8.1-15, Revision 0, requires that the receiving inspection shall verify that documentation requirements are met and the material has been tested in accordance with the purchase order. Contrary to the above: On November 5, 1982, the NRC inspector determined that the certification documents required by purchase orders for liquid penetrant examination materials had been accepted by receiving inspection in wh.ich batch numbers had been altered on the following seven batch numbers: 81LO701, 828035, 81 LOO 8, 82C068, 82D055, 828085, and 78G089; and the material type on the certification for Batch Numbers 81L008 and 79J083 differed from that specified in the purchase order and recorded on the receiving inspection report This is a Severity Level IV Violation. (Supplement II.D) (446/8211-01) Pursuant to the provisions of 10 CFR 2.201, Texas Utilitie's Generating Company is hereby required to submit to this office, within 30 days of the date of this Notice, a written statement or explanation in reply, including: (1) the corrective steps which have been taken and the results achieved; (2) corrective . steps which will be taken to avoid Consideration further violations; and (3) the date when may be given to extending your full compliance will be achieved. response time for good cause shown. Dated: November 24, 1982
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APPENDIX B U. S. NUCLEAR REGULATORY COMMISSION REGION IV Report: 50-446/82-11 50-446 Category A2 Docket: Licensee: Texas Utilities Generating Company 2001 Bryan Tower Dallas, Texas 75201 .
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Facility Name: Comanche Peak, Unit 2 , Inspection at: Comanche Peak Steam Electric Station __ Inspection conducted: November 1, 3-5, 1982 Inspecto : hh vW L. D. Gilbert, Reactor Inspector, Engineering Section lY/7 82-
/ Date Reviewed:
-N_ /9 2-T. F. Westerman, Chief, Reactor Project Section A 'Date
/ 7/f.2.,
Approved: hl _/ %5M /
/ Dats D. M. Hunnicutt, Chief. Engineering Section Inspection Summary:
Inspection Ouring November 1, 3-5, 1982 (Report 50-446/82-11) Areas Insoected: Routine, unannounced inspection of licensee action on previous inspection findings; site tour; and. review of records for welding and nondestructive examination of safety-related piping. The inspection involved 26 inspector-hours onsite by one NRC inspector. Results: Within the three areas inspected, one violation was identified (failure to follow procedure, paragraph 2).
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- 3 DETAILS
- 1. Persons Contacted Princioal Licensee Personnel
*R. G. Tolson, Site QA Supervisor, TUGC0
*B. Deatherage, Executive Assistant TUSI
*M. McBay, Engineering Manager, TUSI Other Personnel B. O. Cromeans, QA Supervisor, Brown & Root (B&R) __
E. Holland, Supervisor, QC-Receiving, B&R E. Opelski, Site NDE Level III, B&R W. E. Baker, Senior Project Welding Engineer, B&R The NRC inspector also interviewed other licensee and contractor employees during the course of the inspection.
- Denotes those attending the exit interview.
- 2. Licensee Action on Previous Inspection Findings (Closed) Unresolved Item (446/8209-01): Certification of liquid penetrant examination materials.
The NRC inspector reviewed the licensee action on resolving the problem concerning " pen and ink" changes to a certified copy of. test results for residues in liquid penetrant examination developer, Batch 82-C-068, as documents in Nonconformance Report M-4050R1. The following batch numbers were identified in the nonconformance report as having certification documents that had been altered. Batch Receiving Inspection Reoort 81LO71 19685 828035 19423 81 LOO 8 18022 82C068 19011 820055 19240 828085 18923 - 78G089 11950 & 11096 In reviewing the new certification documents which replaced the altered or questionable documents in the receiving inspection report, the NRC inspector noted that receiving inspection had accepted two certification 1
. 4 documents for which the material type on the certificaticn differed from that specified in the purchase order and on the receiving inspection report. In one case, a developer type SKD-NF was purchased and the receiving inspection report recorded the batch number as Batch 81 LOO 8 but -
the certification for Batch 81 LOO 8 is for a cleaner type SKC-NF. In the second instance, a cleaner type SKC-NF was purchased and the receiving inspection report records the batch number as Batch 79J083 but the certification for Batch 79J083 is for a cleaner type SKC-H. This unresolved item is being upgraded to a violation for failure to follow Procedure QI-QAP-8.1-15, Revision 0, which requires that the receiving inspection shall verify that documentation requirements are met and the material has been tested in accordar' 3 with the purchase order.
- 3. Site Tour The NRC inspector toured the reactor building for Unit 2 to observe construction on progress and to inspect housekeeping.
No violations or deviations were identified.
- 4. Safety-Related Pipe Welding and Nondestructive Examination The NRC inspector reviewed the weld' history and nondestructive examination documentation related to the fabrication of the following seven completed welds.
Weld Drawing System Class FW-6A SI-2-RB-026-2 Safety Injection 1 FW-4 SI-2-RB-026-2 Safety Injection 1 FW-2 SI-2-RB-028-1 Safety Injection 1 FW-1 SI-2-RB-028-1 Safety Injection 1 FW-1 RC-2-RB-065-1 Reactor Coolant 1 FW-5 SI-2-RB-031-0 Safety Injection 2 FW-6 SI-2-RB-031-0 Safety Injection 2 In areas reviewed, the records indicated that specified inspections were completed; the records reflected adequate weld quality; and the weld history records were adequate. No violations or deviations were identified.
- 5. Exit Interview -
The NRC inspector met with licensee representatives (denoted in para- l graph 1) and R. G . Taylor (NRC Resident Reactor Inspector) on November 5, l 1982, and summarized the scope and findings of the inspection.
.s '. lY f/ fp- _ _ _ _ - JMi 12 23 Dockets: 50-446/82-11 Texas Utilities Generating Company ATTN: R. J. Gary, Executive Vice President & General Manager 2001 Bryan Tower Dallas, Texas 75201 Gentlemen: Thank you for your letter of December 21, 1982, in response to our letter and Notice of Violation, dated November 24, 1982. We have no further questions at this time, and we will review your corrective actions during a future inspection. Sincerely, Glen L. Madsen, Chief Reactor Project Branch 1 cc: Texas Utilities Generating Company ATTN: H. C. Schmidt, Project Manager 2001 Bryan Tower Dallas, Texas 75201 bec to DMB: IE01 bec to RIV Resident Inspector Section Chief J. T. Collins E. Johnson RPB1 RPB2 TPB RIV File C. Wisner Texas State Dept. Health ES ES/ RPS2 RPB1fl \ DRRP&EF\ / EF RA IV LDd1'bert: gb DMHun'nic t WCSei e GLitAdsen JEGag11ahdo EJohnson JT ohi 01/06/83 01/ 7 /83 01/}/83 01/]/83 01/s a /83 01/n /83 , f'i3 apu
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l ' NRC Inspection Report 82-11 TXX-3603jft;/gf[3, i Page 2 i APPENDIX A NOTICE OF VIOLATION i Texas Utilities Generating Company Docket: 50-446/82-11 Comanche Peak Unit 2 Permi t: CPPR-127 ! Based on the results of an NRC inspection conducted during the period l November 1 and 3-5, 1982, and in accordance with the NRC Enforcement Policy )- i (10 CFR Part 2, Appendix C), 47 FR 9987, dated March 9, 1982, the following violation was identified: i j Failure to Follow Procedure -- 1
! 10 CFR Part 50, Appendix B, Criterion V, states in part: Activities l affecting quality shall be prescribed by documented instructions, procedures, or drawings, of a type appropriate to the circumstances and shall be accomplished in accordance with these instructions, procedures, or drawings.
Brown & Root, Inc.', Procedure QI-QAP-8.1-15, Revision 0, requires'that the receiving inspection shall verify that documentation requirements are met and the mater;al has been tested in accordance with the purchase order. Contrary to the above: , On November 5,1982, the NRC inspector d'etermined that the certification documents required by purchase orders for liquid penetrant examination materials had been accepted by receiving inspection in which batch numbers had been altered on the following seven batch numbers: 81LO701, 828035, 81L008, 82C068, 82D055, 82B085, and 78G089; and the material type on the certification for . Batch Numbers 81L008 and 79J083 differed from that specified in the purchase order and recorded on the receiving inspection report. CORRECTIVE ACTION TAKEN AND THE RESULTS ACHIEVED: All material certifications for liquid penetrant examination materials csed on CPSES have been reviewed by NDE Quality Engineering; Material certifications for , baten numbers 81LO71, 828035, 81L008, 82C068, 820055, 828085, and 73G089, which had been altered by the supplier to correspond to actual material shipped, have been replaced by original batch certifications from the material manufacturer; and documentation has been received from the material manufacturer to resolve the question of material type and acceptability for batch numbers 81 LOO 8 and 79JC83.
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.i . NRC Inspection Report 82-11 TXX-3603 Page 3 Material certifications, issued by the material manufacturer, for all liquid penetrant examination material used on CPSES are in the Site QA Records Vault, and have been determined acceptable for site use by the Level III NDE Quality Engineer. CORRECTIVE STEPS WHICH WILL BE TAKEN TO AVOID FURTHER VIOLATIONS A separate Quality Instruction, QI-QAP-8.1-19, has been issued to specifically address and clarify the requirements for receipt inspection of liquid penetrant examination materials, and Receiving QC Inspectors have been trained in its contents. Additionally, all future procurement of liquid penetrant examination materials will be directly from the material manufacturer. DATE WHEN FULL COMPLIANCE WILL BE ACHIEVED All corrective actions have been completed and CPSES is currently in full compliance with the requirements referenced in the subject violation. l
b - - 84 - O O (o 3[7{89 % 3' T I however, we aid not stop werking and we continuea to worn ! 2 on it. l
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3 ER. GRIFFIS: So tne QC inspector signed off on I 4 tnose, on tne work? ' 5 Yes, eventually he sign'ed it
. i 1
7 MR. HE;RR: That is after ne finished his i 8 inspection? He hurried up his inspection. l 9 ' ell, ne was getting his ass 10 eat out. He had a whole bunch-of people there painting the i 1 11 ends of it. I don't ,tnow where he got them. We didn't even l 12 stop. We just xept on working. We was supposed to have 13 stopped until they made sure we was using tne right heat 14 number and all that stuff. ~
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15 MR. GRIFFIN: What about this work you were l 16 talxing about like the condenser box a while ago? Weren't - l 17 tnere QC people ar to inspect your work on that? 18 That is non-Q on this joo, but 19 on otner jobs it is Q like South Texas. 20 MR. GRIFFIN: Who was the QC inspector back in al '7;' 22 Mike Robinson. . I 23 MR. GRIFFIN: Is~he still out there? 24 No. 25 ris. ELLIS: You don't nave any icea where he is ( TAYLOE ASSOCIATES 1625 l STRIIT. H.W. - SUITE 1004 WASHINGTON. D.C. 20006' , , (202; 273 3950 i l i cc/39 I e
3e c y I now? 2 No. Another good example was 3 setting une condensers. The BOP inspector come ocwn ano 4 cnecxec the welds on it. he rejected all the welds. We had 5 a rig hooked up.a Se even rejected the factor welds. 6 he said have you got a condenser in that hole 7 yet? I go no, I saia it don't look like we are going to do 8 it eitner because a BOP inspector just turned down all the 9 welcs. Loy ne strarted. cussing. tie said I want that son of 10 a biten's name and badge numoer. 11 So he started making calls. So I dropped back 12 to the guy and ne just bought it off sitting in his 13 office. Well, as a matter of fact, it got to a point where
.14 they wouldd't even come and look at none of the welds.
15 They woulc just buy them off. 16 MR. GRIFFIN: Who is this guy again that bought 17 it off? / 18 I don't know his name. He is 19 still out there. @ I tnink i he last name. g - $ 20 MR. GRIEFIN: 21 les. He got run off of BOP and 22 I think_ he ended up in -QC. I think he name'was MR. HERR: What year was that? dC 23 24 This was probacly '79 or '60 5 wnen we'was setting Unit 2 ndens rs. Condenser A was
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( n h ( 1 going in tne hole, tne bottom part. 2 MR. GRIFFIK: inis is more ncn-Q work? 4 . h s before he was a) G o QC inspector? 6 Yes. He was a BOP inspector. 7 MR. HERR: 8 Right. 9 MR. GRIFFIN: snat is BOP? I don't scnow what 10 that is. 11 I oon't xnow either. 12 PS . ELLIS: Balance of plant. You said that the 13 condensers he're are non-Q, out they are Q at other plants? 14 They are Q in South Texas. It
, .., 15 is according if they want to make them Q or not. They are 16 safety related because you can't operate the plant without 17 tne condenser. It is just that simple. For instance, that 18 is tne reason yott have got the intergroove in the tube 19 sneet oecause you-cannot allow the water in the steam I
20 generator because tney got problems, you know. I don't j 21 know how fast ti?@y can cool a reactor down if something n did happen to the condensers, li.se if tube sheets bust out 3 with water pressure or something. 24 I was'goi<ng to show you how they weaken a tube 25 sheet, but I don't guess that is necessary.
.g .
TAYLOE ASSOC! ATES It,25 i STREET. H.W. - SUITE 1004 WASHidGloN. D.C. 20006 (202) 293 3950
% . MU
{ % 1 r.R . GRIFFIN 8 1 Ininr cur people will 4 2 unaerstand it. 3 Somewhere down here tney nad a 4 nice thick tube sheet to start off. 5 s leafing through his 6 noteboox.) g ,. , This is a real good example. These *.u_be 7 top of each other 8 gpport_sineets_ cage _in.,..Je laid them on 9 and we put cowel pins in tnem. Scy.e cf_tne noles was 10 three-eigntas of an inch off fr.om the__otners,. you know. and I told him, I said we 11 So.I,. called 12 are going to have a problem here. These holes are way off. 13 Well, he calls Westinghouse, and Westinghouse says ch, ays they are just 14 tnere is nothing go i,t., 15 three-eighths of an inch off. I said well, you have got 16 three foot from the center of one sheet to the other, and 17 wnen you start off with three-eighths of an inch off you 18 are off quite a ways when you get to tne other ena, you know,.tne three foot. kq#(b 19 20 If you go tnree-eighths of an inch off, over 21 nere you nignt be an inco and a half off, and cy tne time 22 you turn it cack in then automatically you are going to M head the other way. So you are binding every sheet. You 24 are cutting into the tubes. 15 Tnese tube support sheets are r.cdc : ith 4 ThYLOE ASSOCIATES 1625 I STREET, N.W. - SufT1 1004 WASHINGTON, D.C. 20006 . (2C2! 293 3950 : I t
l
- , 4 I
~41 I certhin amount of clearance so that tuce can work in tnere s-2 .ithout cinding. They are cut in two nere.
3 MRf'GRIFF1Ni Now what system is this? . 4 his is Unit 1 and Unit 2A 5 and B' condensers *% the'~ Main' condensers. This is what I am 6 talxing about. I am not talking nothing about the 7 Auxiliary condenser. Everything is the main condensers. 8 There is supposed to 'be something like 39 thousand 9 , clearance in tne tube support sheets so that your tubes 10 can expand in its track without_ binding. Now your main 11 tube sneet is 10 thousank'bEfore tney roll these. 12 xhibit 2, the document just 13 referred to, follows:) e -
.e 14 16 17 18 19 20 21 22
_23 2? 25 TAYLOE ASSOCIATES 1625 i STREET, N.\/. - SUITE 1004 WASHINGTON. D.C. 20006
'(202) 293 3950
_ _ _ _ _ _ _ _ _ _ _ l
f,- / .' d oe r-2 M&PC 30 f4!k AQW-15
- 1. Reviewed with two minor comments.
- 2. On Page 3, should " gouge" be " gauge"?
- 3. Is TUSI still an organizational element within TUGCO?
P l l I F0lA-85-59 cairo
.. s. ,
s , :c !- FS! K
- 1. ,'.11ccation Group: Mechanical and Piping C.itegor:. .i- - 'rprem r receiving inspection and deficient vender fabricat.e-
- 2. Allegation Number: AQW-15 c
- 3. Characterization:
Itec 1. It is alleged that some tube holes in the main condense- tube
- .cuppo rt sheets were incorrectly drilled.
Item 2. It is also alleged that after an inspector rejected all shop and field welds on a main condenser, he then, without apparent reason, changed his mind and accepted the=. 4 Assess =ent of Safety Significance: Iten 1. The two main steam condensers required were purchasec by TUSID) free Westinghouse Corporation, , Gibbs and Hill (G/H) Technical Specification 2323-MS-23 was applicable. It stated: "An adequate number of suppert plates of steel of the same material as the shell and of proper thickness shall be provided to support the tubes and spaced to avoid tube vibration. Holes for the tubes will be coline drilled and mechanically disc sanded and were brush deburred."
Parap ; r1 8.% . . re.....t . " Tubi- *L. . '.e s.opu' er .- The condensers arrived frer the vendor's shi.p in a partiall:. fabricated condition. Final assembly and welding was dere at the ! jobsite by B&P., Each conderser has feur groups of tube bundles. The tubes .'re field 4 assembled and rolled into end sheets and are supported within t!.c condenser by 15 tube support plates. The support plates have holes located in the same pattern as the end sheets but have a drillir.g ' tolerance which could result in heles being larger in diarecer than those in the tube sheets. The tube sheet holes are slightly larger than the tube outside diameter. The end tube sheet and support plate holes are drilled at the vendor's shop. A visual inspection was conducted at the job site f or da= age during shipping. 4 The alleger stated that, after several of the support p".ates arrived at the site, his team stacked them together so that the holes were aligned. He disecvered, af ter placing dowel pins in several heles, that holes were out of alignrent as much as 0.375" (3/S"). He claics that this misaligncent vot.d cause binding between the tubes and the support plate holes with resulting tube damage. i l
3 l' Js.64 s t us:: f . 'iir d ther the suppert p' ate hoice s.* .<. & S
- :. T P' t pe co :t rolied machine. The tape controls the locatior "' t i.i *.
In additien, it is rcrmal practice for the Scies in sevet.' icnt plates to be drilled at the same time. If the drill is c e int.t f ret propctly then no hole misalignecnt should occur.. A review was made - five G/H quality control vendor surveillance reports concerring vi .e i n by a G/H QC engineer to the vendor's plant from May I te 22, 1979. During the visits the phys'ical condition of the final 30 plates were observed. Inaddition,ago-no-go( {}wasusedtorander.lyinspect hole size. The proper hole pattern was also checked although ne inspection reports were found which show the exact results of the examination. The plates were shipped to the site in groups. The records show the final thirty were inspected and then loaded on trucks for shipping in units of ten. The plates were wrapped in plastic sheeting and banded I with two-inch metal bands. There is no indication that an effort was made te secure the places sufficient tight to maintain exact hole alignrent.
- The B&R milivright foreman was present durlag part of time the
- material was being unloaded. He states that, since the support plate 4 I d
-n , - - , - , - . , . . . , , - , . . _.-,.m~. . . . . , . - - , . .
l.c i s : ver" to bc 0]igned aftt: the platcs vi e ;- .n, s.ti . i condemer, tiiere was no rceror to check he.c losatic' ct:rin. . unicading process. The wei;:ht of each plate a: so precitaied tro of mevement to check hole aligneent. After both tube sheets and the 15 support plates were approximate!- 9 place, tight wires were run through several key holes for fina: alignment and assure correct drainage. The wires were stretched :rce one end of the cendenser to the other at several locations. 1 In addition, several large rods with a diaeeter the same as the outside diaceter of the tubes were inserted into the support plate holes. The i rods were rotated in place to assure ease of tube insertion, One end tube sheet was lef t off and the tubes pushed through the 15 support sheets and then the remaining end tube sheet placed in position and the tubes moved into finc1 rolling position. The millwright foreman stated that en offset of 3/8" would have prevented the tube from going through all the support plates. If the tube had been forced out of alignment between two suppert plates then to force the tube back into alignment for the next plate 3 feet away would have difficult if not impossible.
iten .. ' !.c TRT at r (r pt ed to rt i. w the re<- insp( t t ien. The condensen were not sa'ety-re..tii i r re- av therefore, fell under BLR Prncedure CP-CPM-6.';0, P.i r a c r 1 r!- - - '- states that " Inspection perforned by site ergineering er vier i supervision need not be documented." The inspection of the cor.v *r. ~ were within this category. The only inspection docurertation available was two field Inspecticn Reports which had not been
! destroyed. The reports showed that on December 13, 1976, a visus; 1
.i inspection was made of the condensers, it was noted that surface I undercut and impressions were present. On January 15, 1977, rcpairs were made to correct the situation, i I J t i Additional infor=ation received f rom the alleger during the TRT study 4 was considered in the review of this allegation and the conclusiens reached.
- 5. Conclusion and Staff Position:
Item 1. A review of the methods us'ed by B&R to install the tube support plates and verify hole location would indicate that there was no reason to include a hole alignment check during receiving inspection, I The use of alignment rods to check hole size and location in the support plates prior to tube insertion verified that the holes were drilled correctly. e 4 f i
. - , --.----,,,n.,, - - , . . . , . . - - - . . , ,--..n r, . . . , . . ~ , . , , . ,,..,_,--n., n - , , - . ~ , . ~ . ,
I t t e- '. No evidence. i.% avn;1able to p rove or d ! = ; r. vt- tint -
~
starcrent. Documentation er.ists showing the corr <rtIve act: - -a to correct certain handling rarks. The TRT finds that there is no safety significance nor cer.tric inplications resulting from this allegction. l 1
- 6. Actions Required: None
- 8. Attachments:
Final Inspection Report, 12/13/76, 000565
~
Final Inspection Report, 1/15/77, 05028
- 9. Reference Documents:
G/H Specification 2323-MS-23 B/R Procedure CP-CPM-6.9D CPSES material Reviewed Report 4646 G/H Letter 1/1'./79 to IUGC0 Waiver of Final Surveillance 1/10/79 G/H Quality Control Vendor Surveillance: Report e
-s B
'. D . Ti . ' ' t .:t I e "t p r e ; ,i! . t ?
it:ne
.tr F eviewed b:-
Group Leader Date
. Approved by:
P roj ect Dircctor Late 1 l l l l i l 1 1 1
l 54s /2t 6 H T U P O c o F i add /g ( o JU /' L O EI r / j DCP2 -SSER Allegation 30 7 gy ; 7 /6 / Draf t 4 11/8/84 Il2l MD, - UoY S o e d EC T'TO
-55 9 E w /( At A1CC n Gn LtW-T ; O A t.c t s 1" >>p
- 1. Allegation Group: Mechanical anc Piping Category 30 - Improper receiving inspection and deficiera. vendor fabrication.
.>a ,
s
/
- 2. Allegation Number: AQW-15 ,.._,/ 0 9
E p 'f
- 3. Characterization: It is alleged that: ()f}l
/ c' f
- a. Some tube holes in the main condenser tube support sheets were 9
gt incorrectly drilled.
- b. An inspector rejected vendor welds on a main condenser, then changed his mind and accepted them for no apparent reason.
- 4. Assessnent of Safety Significance: The NRC Technical Review Team (TRT) learned that Texas Utilities Service, Inc. (TUSI) purchased the n .q two main steam condensers from Westinghouse Electric Corporation. tl v j ,,y y. ,,
The condensers arrived from the vendor's shoo in a partially If ?.. cf f fabricated condition. Brown & Rect (B&R) completed the final assembly and welding at Comanche Peak Stean Electric Station (CPSES). Each condenser has four groups of tube bundles. The tubes are field assembled and rolled into end sheets and are supported within the condenser by 15 tube support pla:rs. The support plates have holes F0lA-85-59 ce m
V located in the same pattern as in the end sheets, but have a drilling tolerance which could result in holes being larger in diameter than those in the tube sheets. The tube sheet holes are slightly larger than the tube outside diameter. Gibbs & Hill (G&H) Technical 3d Specification 2323-MS-23 requires the tube sheet and support plate i holes to be molih{} drilled and mechanically disc sanded and brush V deburred. The TRT learned that the end tube sheet and support plate holes were drilled at the vendor's shop and were visually inspected at CPSES for any damage which may have occurred during shipping. The alleger stated 't that, after several of the support plates arrived at the site, his
, work team stacked them together so that the holes were aligned. After placing dowel pins in several holes, he discovered that the holes were out of alignment by as much as 0.375-inch (3/8-inch). The alleger claims that this misalignment would cause binding between the tubes and the support plate holes, and would result in tube damage.
The TRT found that the support plate holes were drilled on a tape-controlled machine, with the tape determinino the location of the holes. Usually, the holes were driiled in several identical plates at the same time and, if the drill was maintained properly, no hole misalignment should have occurred. 1 e .. - - - . , ,
i
=
o .. The TRT reviewed five G&H quality control vendor surveillance reports concerning visits by a G&H QC engineer to the vendor's plant from May 1 to May 2'2, 1979. During these visits, he observed the physical
~
'go condition of the final 30 plates. In addition, a "go, no-go" gauge 4,
W was used to randomly inspect hole size. The proper hole pattern was also checked, although no inspection reports were found which show the g h,d y exact results of the exanination. d
.(
The records show that the final 30 plates were inspected and then loaded on trucks for shipping in units of ten. The plates were wrapped in plastic sheeting and banded with 2-inch metal bands. The J TRT found no indication that any effort was made to secure the plates tightly enough to maintain exact hole alignment.
, / , The B&R millwright foreman was present during part of time the
\\ material was being unloaded. He stated that, since the support plate tE holes were to be aligned after the plates were placed within the condenser, there was no reason to check the location of the holes during the unloading process. In addition, the weight of each plate also precluded the ease of movement needed to check hole alignment.
After both tube sheets and the 15 support plates were approximately in place, tight wires were run through several key holes for final alignment and to ensure correct drainage. The wires were stretched from one end of the condenser to the other at several locations.
2 In addition, several large rods with the same diameter as the outside diameter of the tubes were inserted into the support plate holes. These rods were rotated in place to ensure ease of tube insertion. One end tube sheet was left off until the tubes were pushed through the 15 support sheets. The remaining end tube sheet was then placed in position, and the tubes were moved into the final rolling position. The millwright foreman stated that an offset of 3/8-inch would have prevented the tube from going through all the support plates. If the tube had been forced out of alignment between two support plates it would have been difficult, if not impossible, to force the tube back into alignment for the next plate, which was 3 feet away. The TRT attempted to review the records related to condenser i inspection. Because the condensers were not safety-related items, they fell under B&R Procedure CP-CPM-6.90, Paragraph 2.7.2, which states that " Inspection . performed by site engineering onsite supervision need not be documented." Therefore, the only inspection doc;mentition available was two field inspection reports which had not ; been destroyed. These reports showed that the condensers were visually ir.spected on December 13, 1976, and that surface undercut and impressions were present. On January 15, 1977, repairs were made to correct these problems.
, -w-
- 5. Conclusion and Staff Position: Based on a review of the methods used by B&R to install the tube support plates and verify hole location, the TRT concludes that there was no reason to include a hole alignment
/
check in the receiving inspection. B&R's use of alignment rods prior
- 2 Q'lb :
Arc I - to tube insertion to check the size of the holes and their location in the support plates was sufficient to verify that the holes were drilled correctly. The TRT also concludes that the allegation related to condenser inspection cannot be proved or disproved. However, existing documentation shows that action was taken to correct certain handling . marks. Accordingly, this allegation has neither scfety significance nor generic implications.
- 6. Actions Required: None.
- 8. Attachments: None.
s . . .
- 9. Reference Documents:
- 1. Final Inspection Report No. 000565, d'ated December 13, 1976.
- 2. Final Inspection Report No. 05028, dated January 15, 1977.
- 3. G&H Specification 2323-MS-23.
- 4. B&R Procedure CP-CPM-6.9D.
- 5. CPSES Material Reviewed Report No. 4646.
- 6. G&H Letter to TUGCO, dated January 11, 1979.
- 7. Waiver of Final Surveillance, January 10, 1979. I
- 8. G&H Quality Control Vendor Surveillance Report.
- 10. This statement prepared by:
R. Hubbard, Date TRT Technical Reviewer Reviewed by.: L. Shao, Date Group Leader Approved by: V. Noonan, Date Project Director l l
,_.)
DCP2 -SSER Allegation 30 Draft 4 11/8/84 SSER
- 1. Allegation Group: Mechanical and Piping Category 30 - Improper receiving inspection and deficient vendor fabrication.
- 2. Allegation Number: AQW-15
- 3. Characterization: It is alleged that:
- a. Some tube holes in the main condenser tube support sheets were incorrectly drilled.
- b. An inspector rejected vendor welds on a main condenser, then
,/ changed his mind and accepted them for no apparent reason.
i 4. Assessment of Safety Significance: The NRC Technical Review Team (TRT) learned that Texas Utilities Service, Inc. (TUSI) purchased the two main steam condensers from Westinghouse Electric Corporation. The condensers arrived from the vendor's shop in a partially fabricated condition. Brown & Root (B&R) completed the final assembly and welding at Comanche Peak Steam Electric Station (CPSES).
/
Each condenser has four groups of tube bundles. The tubes are field ! assembled and rolled into end sheets and are supported within the l condenser by 15 tube support plates. The support plates have holes F0lA-85-59 I cc/yu !
A - w. ---A r + .-ce sio , 6 - - - g h e k l
/??& Cfh YMAuN Y e Qiy M In. rfu WLrc zd4 h
4 # ~ Q A y a ww - c%p, w u a>mw gr l rak- Q fnpy a d d~. t e t l I l l l l 1 4
located in the same pattern as in the end sheets, but have a drilling tolerance which could result in holes being larger in diameter than those in the tube sheets. The tube sheet holes are slightly larger than the tube outside diameter. Gibbs & Hill (G&H) Technical Specification 2323-MS-23 requires the tube sheet and support plate holes to be moline drilled and mechanically disc sanded and brush deburred. The TRT learned that the end tube sheet and support plate holes were drilled at the vendor's shop and were visually inspected at CPSES for any damage which may have occurred during shipping. The alleger stated that, after several of the support plates arrived at the site, his work team stacked them together so that the holes were aligned. After placing dowel pins in several holes, he discovered that the holes were out of alignment by as much as 0.375-inch (3/8-inch). The alleger claims that this misalignment would cause binding between the tubes and the support plate holes, and would result in tube damage. The TRT found that the support plate holes were drilled on a tape-controlled machine, with the tape determining the location of the holes. Usually, the holes were drilled in several identical plates at the same time and, if the drill was maintained properly, no hole misalignment should have occurred. y
The TRT reviewed five G&H quality control vendor surveillance reports i concerning visits by a G&H QC engineer to the vendor's plant from May 1 to May 22, 1979. During these visits, he observed the physical condition of the final 30 plates. In addition, a "go, no-go" gauge was used to randomly inspect hole size. The proper hole pattern was also checked, although no inspection reports were found which show the exact results of the examination. The records show that the final 30 plates were inspected and then loaded on trucks for shipping in units of ten. The plates were wrapped in plastic sheeting and banded with 2-inch metal bands. The TRT found no indication that any effort was made to secure the plates tightly enough to maintain exact hole alignment. The B&R millwright foreman was present during part of time the material was being unloaded. He stated that, since the support plate holes were to be aligned after the plates were placed within the condenser, there was no reason to check the location of the holes during the unloading process. In addition, the weight of each plate also precluded the ease of movement needed to check hole alignment. After both tube sheets and the 15 support plates were approximately in place, tight wires were run through several key holes for final 1 alignment and to ensure correct drainage. The wires were stretched l l from one end of the condenser to the other at several locations. I i
4 In addition, several large rods with the same diameter as the outside diameter of the tubes were inserted into the support plate holes. These rods were rotated in place to ensure ease of tube insertion. One end tube sheet was left off until the tubes were pushed through the 15 support sheets. The remaining end tube sheet was then placed in position, and the tubes were moved into the final rolling position. The millwright foreman stated that an offset of 3/8-inch would have prevented the tube from going through all the support plates. If the tube had been forced out of alignment between two support plates it would have been difficult, if not impossible, to force the tube back into alignment for the next plate, which was 3 feet away. The TRT attempted to review the records related to condenser inspection. Because the condensers were not safety-related items, they fell under B&R Procedure CP-CPM-6.90, Paragraph 2.7.2, which states that " Inspection performed by site engineering onsite supervision need not be documented." Therefore, the only inspection documentation available was two field inspection reports which had not been destroyed. These reports showed that the condensers were visually inspected on December 13, 1976, and that surface undercut and impressions were present. On January 15, 1977, repairs were made to correct these problems. 4 g ; y 7--& ld k^: f m uWm ~,a. - h a -- s var y n a 4 o
g:. , h.1 5. Conclusion and Staff Position: Based on a review of the methods use'd by B&R to install the tube support plates and verify hole location', the TRT concludes that there was no reason to include a hole alignment check in the receiving inspection. B&R's use of alignment rods prior to tube insertion to check the size of the holes and their location in l I the support plates was sufficient to verify that the holes were drilled correctly.
)
The TRT also concludes that the allegation related to condenser ..; ' .': inspection cannot be proved or disproved. However, existing documentation shows that action was taken to correct certain handling marks. s Acchrdin , this a g tion has n e afety si ce nor i gen. c imp ions. l l l
- 6. Actions Required: None.
- 8. Attachments: None.
l l
9 o
, YM A+ u J g'~ 4 47 nddJ cXav , % nr a peuud W & cat lueAQ snw l
4 I l
)
i
t_ ' ;, r l
- 9. Reference Documents:
- 1. Final Inspection Report No. 000565, dated December 13, 1976.
; 2. Final Inspection Report No. 05028, dated January 15, 1977.
- 3. G8H Specification 2323-MS-23.
- 4. B&R Procedure CP-CPM-6.9D.
- 5. CPSES Material Reviewed Report No. 4646.
- 6. G&H Letter to TUGCO, dated January 11, 1979.
- 7. Waiver of Final Surveillance, January 10, 1979.
- 8. G&H Quality Control Vendor Surveillance Report.
2
- 10. This statement prepared by:
R. Hubbard, Date TRT Technical Reviewer Reviewed by: L. Shao, Date Group Leader l Approved by: V. Noonan, Date Project Director
.- . _ -__,, ,, . , _ ~ . . . , , . . - . _ _ _ . . - - . - , .
/
DCP2 -SSER Allegation 30 d Draft 5 - 1/31/85 SSER -
- 1. Allegation Group: Mechanical and Piping Category 30 - Improper receiving inspection and deficient vendor fabrication.
- 2. Allegation Number: AQW-15
- 3. Characterization: It is alleged that:
- a. Some tube holes in the main condenser tube support sheets were incorrectly drilled.
- b. An inspector rejected vendor welds on a main condenser, then changed his mind and accepted them for no apparent reason.
- 4. Assessment of Safety Significance: he main steam condenser 1 k
- c. . AJ"c w afety-related fFtem.
s ine TRT chose to investigate the allegation in this category, however, to determine if a generic problem existed which could affect the handling of safety-related ited 4 The NRC Technical Review Team (TRT) learned that Texas Utilities Service, Inc. (TUSI) purchased the two main steam condensers from Westinghouse Electric Corporation. The condensers arrived from the vendor's shop in a partially fabricated condition. Brown & Root (B&R) completed the final assembly and welding at Comanche Peak Steam Electric Station (CPSES). F01A-85-59 ule .
. ". l 4
1 4
)
Each condenser has four groups of tube bundles. The tubes are field assembled and rolled into end sheets and are supported within the condenser by 15 tube support plates. The support plates have holes located in the same pattern as in the end sheets, but have a drilling tolerance which could result in holes being larger in diameter than those in the tube sheets. The tube sheet holes are slightly larger than the tube outside diameter. Gibbs & Hill (G&H) Technical Specification 2323-MS-23 requires the tube sheet and support plate
?
holes to be drilled and mechanically disc sanded and brush deburred. TRT learned that the end tube sheet and support plate holes were drilled at the vendor's shop and were visually inspected at CPSES for - 7 any damage which may have occurred during shippi alleger stated i i ' at, after several of the support plates arrived at the site, his work team stacked them together so that the holes were aligned. After ( placing dowel pins in several holes, he discovered that the holes were k
\
k r out of alignment by as much as 0.375-inch (3/8-inch). The alleger j f claims that this misalignment would cause binding between the tubes k( l and the support plate hole::, :nd would result in tube damage. (~The TRT found that the support plate holes were drilled on a
! tape-controlled machine, with the tape determining the location of the holes. Usually, the holes were drilled in several identical plates at the same time and, if the drill was maintained properly, no hole misalignment should have occurred.
g
w te ., 4 a The TRT reviewed five G&H quality control vendor surveillance reports concerning visits by a G&H QC engineer to the vendor's plant from May 1 to May 22, 1979. During these visits, he observed the physical I condition of the final 30 plates. In addition, a "go, no-go" gauge h was used to randomly inspect hole size. The proper hole pattern was also checked, although no inspection reports were found which show the exact results of the examination. T The records show that the final 30 pla'tes were inspected and then loaded on trucks for shipping in units of ten. The plates were wrapped in plastic sheeting and banded with 2-inch metal bands. The ' TRT found no indication that any effort was made to secure the plates tightly enough to maintain exact hole alignment. I i The B&R millwright foreman was present during part of time the 1 material was being unloaded. He stated that, since the support plate r holes were to be aligned after the plates were placed within the condenser, there was no reason to check the location of the holes during the unloading process. In addition, the weight of each plate i also precluded the ease of movement needed to check hole alignment. Af ter both tube sheets and the 15 support plates were approximately in place, tight wires were run through several key holes for final , alignment and to ensure correct drainage. The wires were stretched ! from one end of the condenser to the other at several locations. i { _ _ _ _ . - _ _ _ ~ _ _ . _ . _ _ _ . _ _ _ _ ._. . _ . _ _ _ _ _ _ _ _ _ . _ _ _ _ _ _ _ . _ .
A o , In addition, several large rods with the same diameter as the outside diameter of the tubes were inserted into the support plate holes. These rods were rotated in place to ensure ease of tube insertion. One end tube sheet was left off until the tubes were pushed through the 15 support sheets. The remaining end tube shaet was then placed in position, and the tubes were moved into the final rolling position. The millwright foreman stated that an offset of 3/8-inch would have prevented the tube from going through all the support plates. If the tube had been forced out of alignment between two support plates it would have been difficult, if not impossible, to force the tube back into alignment for the next plate, which was 3 feet away. The TRT attempted to review the records related to condenser inspection. Because the condensers were not safety-related items, they fell under B&R Procedure CP-CPM-6.90, Paragraph 2.7.2, which ; I states that " Inspection performed by site engineering onsite supervision need not be documented." Therefore, the only inspection i
\
documentation available was two field inspection reports which had not , i been destroyed. These reports showed that the condensers were visually inspected on December 13, 1976, and that surface undercut and impressions were present. On January 15, 1977, repairs were made to correct these problems. I i j
I
- 5. Conclusion and Staff Position: Based on a review of the methods used i by B&R to install the tube support plates and verify hole location, the TRT concludes that there was no reason to include a hole alignment check in the receiving inspection. B&R's use of alignment rods prior
- to tube insertion to check the size of the holes and their location in the support plates was sufficient to verify that the holes were drilled correctly.
The TRT also concludes that the allegation related to condenser inspection cannot be proved or disproved. However, existing documentation shows that action was taken to correct certain handling marks. As previously stated, the steam condenser is not a safety-related item. The TRT found no generic implications present in the handling of the condenser material. Accordingly, this allegation has neither safety significance nor generic implications. l l
- 6. Actions Required: None.
- 8. Attachments: None.
i
I 4
- 9. Reference Documents:
- 1. Final Inspection Report No. 000565, dated December 13, 1976.
- 2. Final Inspection Report No. 05028, dated January 15, 1977.
- 3. G&H Specification 2323-MS-23.
- 4. B&R Procedure CP-CPM-6.9D.
- 5. CPSES Material Reviewed Report No. 4646.
- 6. G8H Letter to TUGCO, dated January 11, 1979.
- 7. Waiver of Final Surveillance, January 10, 1979.
- 8. G&H Quality Control Vendor Surveillance Report.
- 10. This statement prepared by:
R. Hubbard Date TRT Technical Reviewer Reviewed by:
. L. Shao Date Group Leader Approved by:
il Noonan Date Project Director
t DCP2 - SSER Alley
- ic., 30 Draft 6 - 2/25/85 SSER
- 1. Allegation Group: Mechanical and Piping Category 30 - Irnpropo receiving inspection and deficient vendor fabrication.
- 2. Allegation Number: AQW-15
- 3. Characterization: It is alleged that:
- a. Some tube holes in the main condenser tube support sheets were incorrectly drilled.
- b. An inspector rejected vendor welds on a main condenser, then changed his mind and accepted them for no apparent reason.
- 4. Assessment of Safety Significance: The main steam condenser is not a safety-related item. The TRT chose to investigate the allegation in this category, however, to determine if a generic problem existed which could affect the handling of safety-related item.
The NRC Technical Review Team (TRT) learned that Texas Utilities Service, Inc. (TUSI) purchased the two main steam condensers from Westinghouse Electric Corporation. The condensers arrived from the vendor's shop in a partially fabricated condition. Brown & Root (B&R) completed the final assembly and welding at Comanche Peak Steam Electric Station (CPSES). F0lA-85-59 cclyf :
~
Each condenser has four groups of tubr bundles. The tubes are field asser.ibled and rolled into end sheets and are supported within the condenser by 15 tube support plates. Tht support pirtes have holes located in the same pattern as in the eu. ,h c rt , but bese a drilling tolerance which could result in holes being larger in diar.:eter than those in the tube sheets. The tube sheet holes are slightly larger than the tube outside diameter. Gibbs & Hill (G&H) Technical Specification 2323-MS-23 requires the tube sheet and support plate holes to be drilled and mechanically disc sanded and brush deburred. The alleger stated that, after several of the support plates arrived at the site, his work team stacked thcr -pt. -
- ~* the holes r
were aligned. After placing dowel pins in sevoal holes, he discovered that the holes were out of alignment by as much as 0.375-inch (3/8-inch). The alleger claims that this misalignment would cause binding between the tubes and the support plate holes and would result in damage. The TRT reviewed five G&H quality cca - m't rcports concerni.3 visits by a G&H QC engineer to the ver.cor's plant from May 1 to May 22, 1979. During these visits, he observed the physical 1 condition of the final 30 plates. In addition, a go, no-go" gauge was used to randomly inspect hole size. The proper hole pattern was also checked, although no inspection reports were found which show the exact results of the examination.
The' records show that the final 30 plates were inspected and then loaded on trucks for shipping in units of ten. The plates were wrapped in plastic sher ring and banded with 2-inch metal bands. The
'TRT found nu inc:ce hr tha: m:y ot turt was made to secure the plates tightly enough to naintain exact hole alignment.
The B&R millwright forer:an was present during part of time the material was being unloaded. He stated that, since the support plate holes were to be aligned af ter the plates were placed within the condenser, there was no reason to check the location of the holes during the uniccc - tro ces. In addition, the weight of each plate also precluded the case vi teveracnt needed to check hole alignment. Af ter both tube sheets and the 15 support plates were approximately in place, tight wires were run through several key holes for final alignment and to ensure correct drainage. The wires were stretched from one end of the condenser to the other at several locations. In addition, severci large iodt with the same diameter as the outside diameter of the tubes were inscrted into the support plate holes. These rods were rotated in place to ensure ease of tube insertion. One end tube sheet was left off until the tubes were pushed through the 15 support sheets. The remaining end tube sheet was then placed in position, and the tubes were noved into the final rolling position.
The nillwright foreman stated that an offset of 3/8-inch would have prevented the tube from going through all the support plates, if the tube had been forced out of alignment between two support plates it vt h: Iose t.een difficult, if not impossible, to force the tube back into aligr. ment for the next plate, which was 3 feet away. The TRT attenpted to review the records related to condenser inspection. Because the condensers were not safety-related items, they fell under B&R Procedure CP-CPM-6.90, Paragraph 2.7.2, which states that " Inspection performed by site engineering onsite surtrvisin rced not be documented." Therefore, the only inspection occunertuticri available was two field inspection reports which had not been destroyed. These reports showed that the condensers were visually inspected on December 13, 1976, and that surface undercut and impressions were present. On January 15, 1977, repairs were made to correct these problems. lh M r ~ _ 5teff Position: Based on a review of the methods used l- - ty h&h to insteil the tube support plates and verify hole location, the TRT concludes that there was no reason to include a hole alignment check in the receiving inspection. B&R's use of alignment rods prior to tube insertion to check the size of the holes and their location in the support plates was sufficient to verify that the holes were drilled correctly.
. t i
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l l The TRT also concludes that the allegation related to condenser inspection cannot be proved or disproved. Howevef, existing 7 documentation shows that action was taken to correct certain handling marks. 1 As previously stated, the steam condenser is not a safety-related item. The TRT found no generic implications present in the handling of the condenser material. Accordingly, this allegation has neither safety significance nor generic implications.
- 6. Actions Required: None.
- 8. Attachments: None.
- 9. Reference Documents:
- 1. Final' Inspection Report No. 000565, dated December 13, 1976.
- 2. Final Inspection Report No. 05028, dated January 15, 1977.
- 3. G&H Specification 2323-itS-23.
- 4. B&R Procedure CP-CPM-6.90.
- 5. CPSES Haterial Reviewed Report No. 4646.
e A
1
. \
\
1
- 6. G&H Letter to TUGCO, dated January 11, 1979.
- 7. Waiver of Final Surveillance, January 10, 1979.
- 8. G&H Quality Control Vendor Surveillance Report.
- 10. This statement prepared by:
R. Hubbard Date TRT Technical Reviewer Reviewed by: L. Shao Late Group Leader Approved by: _ _ _ ____ _ _ ___ V. Noonan Project Director
7 W DCP2 - SSER Allegation 30 v Draft 7 - 3/18/85 SSER
- 1. Allegation Group: Mechanical and Piping Category 30 - Improper receiving inspection and deficient vendor fabrication.
- 2. Allegation Number: AQW-15
- 3. Characterization: It is alleged that:
- a. Some tube holes in the main condenser tube support sheets were incorrectly drilled.
- b. An inspector rejected vendor welds on a main condenser, then changed his mind and accepted them for no apparent reason.
k.
- 4. Assessment of Safety Significance: The main steam condenser is not a safety-related item. The TRT chose to investigate the allegation in this category, however, to determine if a generic problem existed which could affect the handling of safety-related item.
i The NRC Technical Review Team (TRT) learned that Texas Utilities ; Service, Inc. (TUSI) purchased the two main steam condensers from l Westinghouse Electric Corporation. The condensers arrived from the vendor's shop in a partially fabricated condition. Brown & Root (B&R) l completed the final assembly and welding at Comanche Peak Steam Electric Station (CPSES,. F0lA-85-59 . CC j
- .* .i 3*
V Each condenser has four groups of tube bundles. The tubes are field assembled and rolled into end sheets and are supported within the condenser by 15 tube support plates. The support plates have holes located in the same pattern as in the end sheets, but have a drilling tolerance which could result in holes being larger in diameter than those in the tube sheets. The tube sheet holes are slightly larger than the tube outside diameter. Gibbs & Hill (G&H) Technical Specification 2323-MS-23 requires the tube sheet and support plate holes to ba drilled and mechanically disc sanded and brush deburred. The alleger stated that, after several of the support plates arrived at the site, his work team stacked them together so that the holes
~
i were aligned. After placing dowel pins in several holes, he [ discovered that the holes were out of alignment by as much as k. 0.375-inch (3/8-inch). The alleger claims that this misalignment would cause binding between the tubes and the support plate holes and would result in damage. The TRT reviewed five G&H quality control vendor surveillance reports concerning visits by a G8H QC engineer to the vendor's plant from May 1 to May 22, 1979. During these visits, he observed the physical condition of the final 30 plates. In addition, a "go, no-go" gauge , 1 > was used to randomly inspect hole size. The proper hole pattern was also checked, although no inspection reports were found which show the exact results of the examination.
'
- P 1
6 /4 w q c o n n ec e. nn Tu*f#
, +
The resenhPshepr that the final 30 plates were inspected and then loaded on trucks for shipping in units of ten. The plates were wrapped in plastic sheeting and banded with 2-inch metal bands. The TRT found no indication that any effort was made to secure the plates tightly enough to maintain exact hole alignment. 746 1-/LT J u 7t*ftst dw @ heB&Rmillwrightforema(w present during part of time the material was being unloaded. He stated that, since the support plate holes were to be aligned after the plates were placed within the condenser, there was no reason to check the location of the holes during the unloading process. In addition, the weight of each plate also precluded the ease of movement needed to check hole alignment. After both tube sheets and the 15 support plates were approximately in place, tight wires were run through several key holes for final alignment and to ensure correct drainage. The wires were stretched from one end of the condenser to the other at several locations. In addition, several large rods with the same diameter as the outside diameter of the tubes were inserted into the support plate holes. These rods were rotated in place to ensure ease of tube insertion. One end tube sheet was left off until the tubes were pushed through > the 15 support sheets. The remaining end tube sheet was then placed in position, and the tubes were moved into the final rolling position.
.'- .- 9 1 The millwright foreman stated that an offset of 3/8-inch would have prevented the tube from going through all the support plates. If the tube had been forced out of alignment between two support plates it would have been difficult, if not impossible, to force the tube back into alignment for the next plate, which was 3 feet away. The TRT attempted to review the records related to condenser inspection. Because the condensers were not safety-related items, they fell under B&R Procedure CP-CPM-6.90, Paragraph 2.7.2, which states that " Inspection performed by site engineering onsite supervision need not be documented." Therefore, the only inspection documentation available was two field inspection reports which had not been destroyed. These reports showed that the condensers were visually inspected on December 13, 1976, and (_ that surface undercut and impressions were present. On January 15, 1977, repairs were made to correct these problems. Mechanical and Piping Category 14 also covered claims that improper practices may have occurred during the construction of the condensers (AW-47). During the investigation of this allegation, TUEC informed the TRT that it was their intention to retube unit I and 2 condensers in the near future due to corrosion considerations. The TRT met with the alleger on March 5, 1985. The alleger maintained his position that the tubes were difficult to insert. He also indicated that he found the holes he claimed were out of line while checking the tube support plates to see if any holes were missing. The alleger was infomed that TUEC intends to retube the condensers.
g, s,r:2 . So
/l; .
h6 hk,_ pg , in h ;'. 4 k' i
- 5. Conclusion and Staff Position: Based on a review of the methods used j by B&R to install the tube support plates and verify hole location, the TRT concludes that there was no reason to include a hole alignment
! check in the receiving inspection. B&R's use of alignment rods prior to tube insertion to check the size of the holes and their location in the support plates was sufficient to verify that the holes were drilled correctly. The TRT also concludes that the allegation related to condenser I inspection cannot be proved or disproved. However, existing j documentation shows that action was taken to correct certain handling marks. As previously stated, the steam condenser is not a safety-related item. The TRT found no generic implications present in the handling of the condenser material. Accordingly, this allegation has neither safety significance nor generic implications.
- 6. Actions Required: None.
, /
- 8. Attachments: None.
I h
, go
?
- 9. Reference Documents:
- 1. Final Inspection Report No. 000565, dated December 13, 1976.
- 2. Final Inspection Report No. 05028, dated January 15, 1977.
- 3. G&H Specification 2323-MS-23.
- 4. B&R Procedure CP-CPM-6.9D.
- 5. CPSES Material Reviewed Report No. 4646.
- 6. G&H Letter to TUGCO, ' dated January 11, 1979.
- 7. Waiver of Final Surveillance, January 10, 1979.
- 8. G&H Quality Control Vendor Surveillance Report.
- 10. This statement prepared by:
R. Hubbard Date TRT Technical Reviewer Reviewed by: L. Shao Date Group Leader Approved by: V. Noonan Date Project Director
w DCP2 - SSER Allsgation 30 Draft 7 - 3/18/85 3 - SSER
- 1. Allegation Group: Mechanical and Piping Category 30 - Improper receiving inspection and deficient vendor fabrication.
- 2. Allegation Number: AQW-15
- 3. Characterization: It is alleged that
- a. Some tube holes in the main condenser tube support sheets were incorrectly drilled.
- b. An inspector rejected vendor welds on a main condenser, then changed his mind and accepted them for no apparent reason.
- 4. Assessment of Safety Significance: The main steam condenser is not a ,
i safety-related item. The TRT chose to investigate the allegation in ; I this category, however, to determine if a generic problem existed l which could affect the handling of safety-related item. The NRC Technical Review Team (TRT) learned that Texas Utilities Service,Inc.(TUSI)purchasedthetwomainsteamcondensersfrom Westinghouse Electric Corporation. The condensers arrived from the vendor's shop in a partially fabricated condition. Brown & Root (B&R) completed the final assembly and welding at Comanche Peak Steam Electric Station (CPSES). F0lA-85-59 cc /w; n
,,- 39 Each condenser has four groups of tube bundles. The tubes are field assembled and rolled into end sheets and are supported within the condenser by 15 tube support plates. The support plates have holes located in the same pattern as in the end sheets, but have a drilling tolerance which could result in holes being larger in diameter than those in the tube sheets. The tube sheet holes are slightly larger than the tube outside diameter. Gibbs & Hill (G&H) Technical Specification 2323-MS-23 requires the tube sheet and support plate holes to be drilled and mechanically disc sanded and brush deburred.
The alleger stated that, after several of the support plates arrived at the site, his work team stacked them together so that the holes were aligned. After placing dowel pins in several holes, he discovered that the holes were out of alignment by as much as N- 0.375-inch (3/8-inch). The alleger claims that this misalignment would cause binding between the tubes and the support plate holes and would result in damage. The TRT reviewed five G&H quality control vendor surveillance reports concerning visits by a G&H QC engineer to the vendor's plant from May 1 to May 22, 1979. During these visits, he observed the physical condition of the final 30 plates. In addition, a "go, no-go" gauge was used to randomly inspect hole size. The proper hole pattern was also checked, although no inspection reports were found which show the exact results of the examination. i
p MW 'D Sf// Cc)4ury coutwot- udsw>on Tuk dys' The that the final 30 plates were inspected and then loaded on trucks for shipping in units of ten. The plates were wrapped in plastic sheeting and banded with 2-inch metal bands. The TRT found no indication that any effort was made to secure the plates tightly enough to maintain exact hole alignment. M T~ tty IWYt?ftdI6* & heB&Rmillwrightforema(w present during part of time the material was being unloaded. He stated that, since the support plate holes were to be aligned after the plates were placed within the condenser, there was no reason to check the location of the holes during the unloading process. In addition, the weig}t of each plate also precluded the ease of movement needed to check hole alignment. i After both tube sheets and the 15 support plates were approximately in place, tight wires were run through several key holes for final alignment and to ensure correct d ainage. The wires were stretched from one end of the condenser to the other at several locations. In addition, several large rods with the same diameter as the outside diameter of the tubes were inserted into the support plate holes. These rods were rotated in place to ensure ease of tube insertion. One end tube sheet was left off until the tubes were pushed through the 15 support sheets. The remaining end tube sheet was then placed in position, and the tubes were moved into the final rolling position.
9 i .
\ The millwright foreman stated that an offset of 3/8-inch wquid have prevented the tube from going through all the support plates. If the tube had been forced out of alignment between two support plates it would have been difficult, if not impossible, to force the tube back into alignment for the next plate, which was 3 feet away.
The TRT attempted to review the records related to condenser inspection. Because the condensers were not safety-related items, they fell under B&R Procedure CP-CPM-6.90, Paragraph 2.7.2, which states that " Inspection perfomed by site engineering onsite supervision need not be documented." l Therefore, the only inspection documentation available was two field inspection reports which had not been destroyed. These reports showed g , ~, that the condensers were visually inspected on December 13, 1976, and that surface undercut and impressions were present. On January 15, 1977, repairs were made to correct these problems. Mechanical and Piping Category 14 also covered claims that improper practices may have occurred during the construction of the condensers (AW-47). During the investigation of this allegation, TUFC informed the TRT that it was their intention to retube unit I and 2 condensers in the near future due to corrosion considerations. The TRT met with the alleger on March 5, 1985. The alleger maintained his position that the tubes were difficult to insert. He also indicated that he found the holes he claimed were out of line while checking the t tube support plates to see if any holes were missing. The alleger was infomed that TUEC intends to retube the condensers.
Y '
. p
- 3. ,
i 5. Conclusion and Staff Position: Based on a review of the me,thods used by B&R to install the tube support plates and,. verify hole location, the TRT concludes that there was no reason to include a hole alignment check in the receiving inspection. B&R's use of alignment rods prior to tube insertion to check the size of the holes and their location in i the support plates was sufficient to verify that the holes were
. drilled correctly.
The TRT a' Iso concludes that the allegation related to condenser inspection cannot be proved or disproved. However, existing documentation shows that action was taken to correct certain handling marks. As previously stated, the steam condenser is not a safety-related
~
item. The TRT found no generic implications present in the handling of the condenser material. Accordingly, this allegation has neither safety significance nor generic implications.
- 6. Actions Required: None.
/
b
- 8. Attachments: None.
w e_~, - - - - - - -+-n-,-,_. - - - - - - - ~ , - - - - - - - -
- n. --
1 M DCP2 - SSER Allegation 30 Draft 7 - 3/18/85 SSER 1 1. Allegation Group: Mechanical and Piping Category 30 - Improper receiving inspection and deficient vendor fabrication.
- 2. Allegation Number: AQW-15
- 3. Characterization: It is alleged that:
a. Some tube holes in the main condenser tube support sheets were incorrectly drilled, b. An inspector rejected vendor welds on a main condenser, then changed his mind and accepted them for no apparent reason. I 4. Assessment of Safety Significance: The main steam condenser is not a safety-related item. The TRT chose to investigate the allegation in this category, however, to detemine if a generic problem existed which could affect the handling of safety-related item. 4 The NRC Technical Review Team (TRT) learned that Texas Utilities Service, Inc. (TUSI) purchased the two main steam condensers from . Westinghouse Electric Corporation. The condensers arrived from the vendor's shop in a partially fabricated condition. Brown & Root (B&R) completed the final assembly and welding at Comanche Peak Steam ElectricStation(CPSES).
~
~
F0lA-85-59 C c.-l+')
u 2 Each condenser has four groups of tube bundles. The tubes are field ' assembled and rolled into end sheets and are supported within the condenser by 15 tube support plates. The support plates have holes located in the same pattern as in the end sheets, but have a drilling tolerance which could result in holes being larger in diameter than those in the tube sheets. The tube sheet holes are slightly larger than the tube outside diameter. Gibbs & Hill (G&H) Technical Specification 2323-MS-23 requires the tube sheet and support plate holes to be drilled and mechanically disc sanded and brush deburred. The alleger stated that, after several of the support plates arrived at the site, his work team stacked them together so that the holes were aligned. After placing dowel pins in several holes, he discovered that the holes were out of alignment by as much as 0.375-inch (3/8-inch). The alleger claims that this misalignment would cause binding between the tubes and the support plate holes and would result in damage. The TRT reviewed five G&H quality control vendor surveillance reports concerning visits by a G&H QC engineer to the vendor's plant from May I to May 22, 1979. During these visits, he observed the physical conditfon of the final 30 plates. In addition, a "go, no-go" gauge
~
was used to randomly inspect hole size. The proper hole pattern was also checked, although no inspection reports were found whi,ch show the exact results of the examination. e e em
l 7
,N
/
d show that the final 30 plates were inspected and then loaded on trucks for shipping in units of ten. The plates were wrapped in plastic sheeting and banded with 2-inch metal bands. The TRT found no indication that any effort was made to secure the plates tightly enough to maintain exact hole alignment.
',s-' q[ i h.n.Wc ( 2d I
/
gThe B&R millwright foremanpas present during part of time the - material was being unloaded. He stated that& ce the support plate holes were to be aligned after the plates were placed within the condenser, there was no reason to check the location of the holes during the unloading process. In addition, the weight of each plate also precluded the ease of movement needed to check hole alignment. After both tube sheets and the 15 support plates were approximately in place, tight wires were run through several key holes for final alignment and to ensure correct drainage. The wires were stretched from one end of the condenser to the other at several locations. In addition, several large rods with the same diameter as the outside diameter of the tubes were inserted into the support plate holes. These rods were rotated in place to ensure ease of tube insertion. One end tube sheet was left off until the tubes were pushed through the 15 support sheets. The remaining end tube sheet was then placed in position, and the tubes were moved into the final rolling position. e
r i l The millwright foreman stated that an offset of 3/8-inch would have prevented the tube from going through all the support plates. If the tube had been forced out of alignment between two support plates it would have been difficult, if not impossible, to force the tube back into alignment for the next plate, which was 3 feet away. The TRT attempted to review the records related to condenser inspection.
- Because the condensers were not safety-related items, they fell under B&R Procedure CP-CPM-6.90, Paragraph 2.7.2, which states that " Inspection performed by site engineering onsite supervision need not be documented."
Therefore, the only inspection documentation available was two field inspection reports which had not been destroyed. These reports showed that the condensers were visually inspected on December 13, 1976, and that surface undercut and impressions were present. On January 15, 1977, repairs were made to correct these problems. Mechanical and Piping Category 14 also covered claims that improper practices may have occurred during the construction of the condensers (AW-47). During the investigation of this allegation, TUEC informed -- the TRT that it was their intention to retube unit 1 and 2 condensers in the near future due to corrosion considerations. -
- The TRT met with the alleger on March 5,1985. The alleger maintained his position that the tubes were difficult to insert. He also indicated that he found the holes he claimed were out of line while checking the tube support plates to see if any hole's were missing. The alleger was informed that TUEC intends to retube the condensers.
ogn . - g $'
- ' 5. Conclusion and Staff Position: Based on a review of the methods us,ed .
by B&R to install the tube support plates and verify hole location, the TRT concludes that there was no reason to include a hole alignment check in the receiving inspection. B&R's use of alignment rods prior to tube insertion to check the size of the holes and their location in the support plates was sufficient to verify that the holes were } drilled correctly. - The TRT also concludes that the allegation related to condenser inspection cannot be proved or disproved. However, existing ; documentation shows that action was taken to correct certain handling marks. As previously stated, the steam ' condenser is not a safety-related item. The TRT found no generic implications present in the handling of the condenser material. Accordingly, this allegation has neither safety significance nor generic implications.
- 6. Actions Required: None.
~
- 8. Attachments: None.
he
- 9. Rhference Documents:
- 1. Final Inspection Report No. 000565, dated December 13, 1976.
- 2. Final Inspection Report No. 05028, dated January 15, 1977.
- 3. G&H Specification 2323-MS-23.
- 4. B&R Procedure CP-CPM-6.90.
- 5. CPSES Material Reviewed Report No. 4646. -
- 6. G&H Letter to TUGCO, dated January 11, 1979.
- 7. Waiver of Final Surveillance, January 10, 1979.
- 8. G&H Quality Control Verdor Surveillance Report.
- 10. This statement prepared by:
R. Hubbard Date TRT Technical Reviewer Reviewed by: L. Shao Date Group Leader Approved by: V. Noonan Date Project Director l e . me w
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{ pa)-A C 7 This is a real good example. These t h : l support sheets came in....ge laid them on top of each other l 8 . l 9 and we put ocwel pins in them. Seme- of tne noles vu 10 three-eigntns of an inch off from the otners, you know. and I told him, I said we l 11 So I., called l are going to have a problem here. These holes are way off. l 12 Well, he calls Westinghouse, and liestinghouse says ch, l 13 ays hey are just 14 tnere is nothing jo i,t., 15 three-eighths of an inch off. I said well, you have got 16 three foot from the c' enter of one sheet to the other, and 17 en you start off with three-eighths of an inch off you to tne other end, you 18 are off quite a ways when you get know, tne three foot.
#(b 19 If you go tnree-eighths of an inch off, over 20 21 here you nignt be an inen and a half of f , and oy tne cioe 22 you turn it cack in then automatically you are going to M head the other way. So you are binding every sheet. You 24 are cutting into the tubes.
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i f 1 No. Another good example was 3 setting tne condensers. The BOP inspector come down ano l l 4 cnecxed the welds on it. he rejected all the welds. We had l 5 a rig hooked up..a se even rejected the factor welds. 6 he said have_you_got_ a condenser in that hole , 7 yet? I go no, I saic it don't look like we are going to do l 8 it either because a BOP inspector just turned down all the 9 welcs. Eoy ne started.. cussing. He said I want that son of 10 a diten's name and badge numoer. 11 So he started making calls. So I dropped back 12 to the guy and ne just bought it off sitting in his 13 office. Well, as a matter of fact, it got to a point where N ,
. 14 c' they wouldn't even come and look__al_none--of-the welds.
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15 They woulc just buy them off. i . lu n lho , wyLi 00 0 I M OM A i 2, w it 6 U 4 147 'r1HI 7 W OC H > ,' l ' 5 f_ y 0 % tt) W t .( SphstC G :W 0&Mr to W4V 00 64 I W v%1 W '
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Ne 000565 FIELD INSPECTION REPORT (BOP SYSTEMS) FORM NO WO8
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- 2. DATE /k/ 3 - 7/,
- 1. PROJECT NO.-- ~ - - . _ _ _ - _ .
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3 ITE'1 L';SPECTED _ t)z a n <: s r- ' A L TT Dnsc . A Bi?M 736 a123-2 ____ /
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SATISF'ACTORY C] U'NS'ATISFACTORY
- 7. RESULTS OF INSPECTION:
- 8. ACTION TAKEN IF UNSATISFACTORY
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FIELD INSPECTION REPORT N ? 05028 (BOP SYSTEMS) 1.. PROJECT NO. S6-//98 2.DATE /' /8' 77
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W E LD NO. UNIT NO. gj/A ISO NO. l SYSTEM czuxuzes Ai6 IER>A4% Ten-1 CODE: NOE 8 EPORT NO. TYPE OF OEFECT VUDf- bO O ^b AVJS 3)) \ DATE: 4-4 AQDLt W ASRLS b RESOLUTION OF DEFECT (S)
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E s l APPRO V A LS WE LD. ENG _s a, a 4 f =^ 9/ DATE QUALITY CONTROL- DATE DATE 7 Y7/ MA
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.j Gibbs B Hill. Inc.
E NGIN E E R S DE SIG N E R S CONSTRUCTORS , i s L I., " r' i
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DI R E C T DI.L E XT E N SIO N
. , <2isi teo- 4 4 5 0 TEC ' s ; n. . January 11, 1979 GZ u. 6i, , i GTN-33129 .
Texas Utilities Generating Company _ P.O. Box 1002 JSG WCH Glen Rose, Texas 76043 HOK BJH _' 2 Attention : Mr. J. T. Merritt
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Resident Manager lREH RCB Gentlemen: jpP LKH _~. TEXAS UTILITIES GENERATING COMPANY m FLM COMANCHE PEAK STEAM ELECTRIC STATION JSM h 1981 2300 MW INSTALLATION ---- k -> G&H PROJECT NO. 2323 . /Si __ 07023 MAIN CONDENSERS (NON-NUCLEAR) ;j;,1 SPECIFICATION NO. 2323-MS-23 m-- PURCHASE ORDER NO. CP-0023 l AUTHORIZATION FOR SHIPMENT FINAL INSPECTION WAIVED By copy of this letter to Westinghouse, we hereby release for shipment the equipment listed on the attached G&H Notification of Waiver of Final Surveillance. Final inspection has been waived by TUGCo. Operating, Maintenance and Instruction Manuals will be mailed to TUGCo and G&H 30 days after final shipment is made. Very truly yours, GIBBS & HILL, Inc. It~ R8%L 94 HRR/DMa:at H rvey R. Rock 1 Copy + lA Project Manager cc: ARMS (B&R Site) Orig. + lA J. C. Kuykendall (TUGCo Site) lL lA D. Hartzel (Westinghouse) 2L 2A F0lA-85-59
... ... _ . _ . ___ . . . . . . . . . _ _ _ my,
h~!) Gibba S Hill. Inc. E NGeNE l b5 Dt 5'G N t 6 % ' O N 5 ' ** u t t ri u s NOTIFICATION OF WAIVER OF FINAL SURVEILLANCE
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G B H INC. JOB NO. O DATE:
/!/8/7[ SHEET NO. OF G 8 H INC. P.O. NO. 'M3 SUPPL.NO.(S) /. ( b ~ /[ MO - G 8 H INC. SPEC.NO. NO N SAFETY RELATED: YES h NO N/A CATEGORY NO. hN/A V E N DO R. kt! bbl)/I& I/608 LOCATION: [_ b 3 k k A -
SUB*CONTR ACTO R : LOCATIO N-THE VENDOR HAS BEEN VERBALLY NOTIFIED THAT THE FINAL SURVEILL ANCE OF THE FOLLOWING ITEMS HAS BEEN WAIVED: IT E M(S); ON NfdEIN nod 5E '/N 3Ybh (4) WBE M/'fbeT PU172 /7:2EHSuES uk2 01)ITL (Q) LtUEC OTEAn istET GexES Fv2 0MIT L COMMENTS: $ fffJOD}/% 'fC (Q.(. (({'i f/ES THE FcUtvind t/Es2DC2 P6cilMSITs
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H/kE AN A. E .t]." S TA Ta S
- 736 397t/- Sars t. 2,3 i'
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- QUALITY ColdROL REPRESENTATIVE, TH:S WAIVER DOES NOT RELEIVE THE VENDOR OF ANY CONTRACTUAL RESPONSIBILITIES AND REQUIREMENTS NOR THE SUBMISSION OF APPLICABLE DOCUMENTS AS REQUIRED BY THE SPECIFICATIONS AND/OR PURCHASE ORDER.
'HE VENDOR IS TO CBTAIN A SHIPPING AUTHORIZATION FROM THE GIBBS 8 HILL,1NC PURCHASING DEPARTMENT PRIOR TO SHIPMENT.
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V TERIAL RECEIVED RECC ' .M -4:s f -) I, "f.'r:y Job No.351195
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PAGE OF I ,. MR NO. ' bb B&R G&H F&N Ws i OTHER SHIPPED TO: ; * { ! ] _' . ' O \\ P. O. NO R EO. NO. \
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VENDOR: e ff DATE: W25CO tallas, TX . . 4/20/79 SlitPPER: ' F.O.B.
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NCTE: THE SRIPMENT IS IE GOOD CO,CITIC*i AND THEi E IS ' WO EVIDENCE OF LDAD SHIFT,11RIhfi, OR OTIER VISIB1.E DAMME. - PP TE yp$ pREPAto COLLFCT Q.C. CHECK B Y EXP. p
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' hECEIVED BY: .,f, n sg W R MF u.;.>citxteje m e, m e j w . , A iu .
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pagg 1 7 G / D b s 8 H //l. / n c . cr 5 anoinecas casiontes coastauctees DATE 5/7/79 agpogy,s p W 2 i CONSTRUCTION DIVISION OUALITY CONTROL VENDOR SURVEILLANCE REPORT i May 1 & 2, 1979 CLIENT Texas Utilities Services Inc. VISIT DATE Cc:nanche Peak S.E. S . UNIT NO. 2 G S M RO. NO. CP-0023 tec 7 og CLIENT JCB NO. 2323 G & H Joe NO. 323-MS-23 G 8 H SPEC.NO. MS-23 ' CLIENT SPEC. ND. Main Condenser G S H Q.C. ENGR. R.F. Bo & M EQUIPMENT j CP2-COCNMC-01 & 02 pNong No.212-7 60-5352 EQUIPMENT NO. 4 1 EQUIPMENT MFG. LOCATION SHOP ORDER NUMBER (S) Westinghouse Electric Corp. 18A3969 VENDOR i ADDRESS State Highway 291 Box 9175 i Lester Pa. zip 19113 CITY STATE j l P ARTICIPATING PERSONNEL NAME TITLE PHONE NO. R. Arra Proj. Coord. 215-595-2393 f i, f V. Hulina Proj. Engr. 4468 2. l 3. 4. EQUIPMENT MFG. LOCATION . SHOP ORDER NUMBER (S) The Marley Heat Transfer Co. 19A3969 l Su s-VEN D O R ADDRESS 2095 N. Batavia Street Orange 3747g Calif. g,p MH CITY PARTICIPATING PERSONNEL 1 NAME TITLE PHONE NO.
,, F. Hibbert 0.C. Engr. 714-637-8100 l 2.
3. 4. VENOOR PROC. NO. N/A M ATERI AL TYPE DR AwtNG NO. E
- m . A285 W.C mn% '2 N . D. E. 100*/o COMPLETED y7 N/A p7 N/A g7 N/A UT N!A ET
"!^
DATE OF NEXT VislT week of May 22, 1979 , CERTIFTED MAT *L TEST REPORT .-
.OTHER TEST
- F0lA-85-59 w ss . _ . - _ _ - _ . . _ _ _
; e s
Page L af 7 ( A surveillance was performed at the Marley Heat Transfer Co. , Orange, California on May 1 and 2, 1979. Marley is a sub-vendor of the Westinghouse Electric Corp., who is fabricating the Main Condenser. Marley is fabricating the Upps: Tube Support db Plates. At the time of the visit thirty support plates were complete and stored outside. All plates were sandblasted. There snur no evidence of rust. A random sample was conducted for checking hole diameter. A Go-No Go gauge was used and all holes were acceptable. There was no, evidence of sizable burrs. l All plates are stamped "19A3969-1 Plti
. Plate No. 11 i
was bowed but was straightened by Marley. Mill Test Reports were not available for inspection. A Certificate of Compliance is issued by Marley. The Plates will be shipped ten at a time by truck. There was no specific shipping preparation instructions from Westinghouse. V. Hulina of Westinghouse in Lester, Pa. was consulted in order that he might recommend proper shipping Westinghouse and Gibbs & Hill agreed that the preparations. Plates will be wrapped with plastic sheeting and banded with two inch metal bands.
I (. i Paga 3 of 7 Upper Tube Support Plates 19A3969-1 Plates 1-30 have been d given a Quality Control Release by Gibbs & Hill Quality Control. The final thirty support plates will be ready for shipment in approximately three weeks. gs c.h RICHARD F. BOZIWICK
+*
GISBS & HILL Q.C. REPRESENTATIVE MAY l & 2, 1979 DATE OF REPORT 61 ' . A. B G GIBBS & HILL Q.C. MANAGER MAY 7, 1979 APPROVAL DATE OF REPORT i e e e
- W I D O S 6 i n til. i n o .
f t h GIN t t es OL SeG *.t R5 C O *s 51 a u c i c a 5 Haw YORE Y QUALITY CONTROL RELEASE
% SURVEILLANCE STATUS REPORT G S H, Inc. P.O.C F-O o 21 SUPPL. NO.(S) / - / 2- Date: [ ~ 7 ~ 7,I G & H, INC. PROJ.NO. 2 2J VENDOR WORK / SHOP ORDER NO/[8 8 9 6 ,9 d ta J f P c-/ M4 -
VENDOR \^/ t > 7 24M s/ A c vI O LOC ATIO N: ITEM (s) Tebe .T v e n ese T T f3 _ DWG. NO.( s) 7 '/=;-/ I / f P
,Fsro37P STATUS OF ITEM (s) AFTER SURVEILLANCE:
OUALITY CONTROL RELEASE ONLY- OBTAIN G SH,Inc. SATISFACTORY _ PURCH. DEPT. AUTEORIZATION TO SHIP
~
CONDITION AL QUALITY CONTROL RELE ASE-
~
NOT SATISFACTORY _ SEE COMMENTS REWORK AS INDICATED BELOW WAIVE FIN AL SURVE1LLANCE- OBTAiN G a H,INC. INTERMEDIATE SURVEILLANCE ONLY _ PURCH. DEPT. AUTHORIZATION TO SHIP HOLD FOR FURTHER INFORMATION, (SEE COMMENTS) COMMENTS BY G & H,INC. O.C. REPRESENTATIVE:
'T b P So/lswskn (? /o t e .T n+ Pe/ f ry /> e <*/ e /> u c f Prf V '
G rn rl rp , Y- 3,0 mrfraf s o e r er
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l i This Status Report Ooes Not Refleve Thevendor Of His Contractucal Responsibilities, COPIES TO: (1) PURCH ASING DEPT. * (l) VENDOR f (1) 0.C. DEPT. [du < r7- 2 /7 a/24 - (1) PROJ. MGR. Mi$bs a Hlill,Inc., Representative F84 Rev.2- 1/ 7T Wsw F0lA-85-59 .
3 OUTGOING d28 C:
.S-23/Sv.Mae
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- DMK* NNK* BAL* abo
- Gibbs S Hiii. Inc.
ENGnNEE45 CE SIGNE R S CONStaWCt0R$ 014ECT OtAL E XTE N 3sCN irisi70 4450 May 10, 1979 GTN - 36581 TexasUtilitiesGeneratingdompany
- P.O. Box 1002Texas 76043 Glen Rose, Attention: Mr. J.T. Merritt, Resident Manager
/
Gentlemen: TEXAS UTILITIES GENERATING COMPANY COMANCHE PEAK STEAM ELECTRIC STATION 1981-83-2300 MW INSTALLATION G&H PROJECT NO. 2323 070023 MAIN CONDENSER - CORRECTION OF VENDOR SURVEILLANCE REPORT-GTN-36467 illance Enclosed herewith please find copy of Vendor SurveNote that reference b Support Report #CP-722, GTN-36467. Tube Support Plates has been changed to Upper Tu e Plates. l Please change page 2,3 and 4 - Rev. 1 according y. Very truly yours, GIBBS & HILL, INC. I Gk g i kW [. Harvey R. Rock j HRR/ e:ja Project Manager 1 Copy + lA l cc: ARMS (Il&R Site) - Orig. L + lA- lL, lA J.C. Kuykendall (TUGCO Site)- 2L, 2A R.E. Holloway (G&H Dallas) YORK C A B LE: GIS B S MILL. NEW ! NEW VCRK. M.Y.10001 393 SEVENTM AV E N U E
, ( Gibbs 8 Hill. Inc.
t as ai se t E O S D E SIGN E 45 CQse 5 f euc ? C#S Ntw YOS2 f b QUALITY CONTROL RELEASE SURVEILLANCE STATUS REPORT G 8 H,Inc. RO. d* WLS SUPPL. NO.(S) SU RV. RP1. NO. Date: Aj 17 D VENDOR WORK / SHOP ORDER NO. k 0 G & H, IN C. PROJ. NO. - VENDO E AM] UWN O* LOC ATIO N: EhMM ,
- ITEM (s) Niu koh4R DW G. NO.(s) 74dl% un 1 C3 7- C_4c M ML ~os \ 6 L
\A bl t, u 99eSh N4 I
STATUS OF ITEM (s) AFTER SURVEILLANCE:
- OUALITY CONTROL RELEASE ONLY- OBTAIN G S H,Inc.
S ATIS FACTORY PURCH. DEPT. AUTHORIZATION TO SHIP
~
~
CONDITION AL OUALITY CONTROL RELE ASE- _ NOT SATISFACTORY _, SEE COMMENTS REWORK AS INDICATED BELOW
~
WAIVE FINAL SURVEILLANCE
- OBTAIN G S H.Inc.
,_., INTERMEDIATE SURVEILLANCE ONLY PURCH DEPT. AUTHORIZATION TO SHIP
- HOLD FOR FURTHER INFORMATION, (SEE COMMENTS)
COMMENTS BY G & H,lNC. O.C. REPRESENTATIVE: 1 RcLWw[W PhW %4 b9%b Wi.% % Ayt WJt.% (n\lk M SQgs; Cmm Quost %,C,h I h.Qan ;Gseu .
- s i i 1L\% E t
1 9 nou9 \ M s'bl ~53 r3 5' 4%s 51> S t. SS WI48 a < < o , hftsw9 L %4. %7,16,19 34 40 s45 A4.% 50
%%O 3 41 4*L_LH 59 55 SG 57 56 s
=;=)
s s b0 s - - This Status Report Does Not Relieve TheVendor Of His Contractual Responsibilities. ,l
'i I
COPIES TO: (1) PURCH ASING DEPT. (1) VENDOR ' (l) Q.C. DEPT. , %%w~ (l) PROJ. MGR. Gibbs & HUTNnc., Representative f r.a c. Rev. 3- 2/i/78
.'45 -23 /i:.EEa/S:o'A* EH/JIr* DMK* B OUTC 'NG 828
.. . . EAL* o[A5 h NNK*
- isi voo 4450 GTN - 37030 May 25, 1979 i
Texas Utilities Generating Co. PO Box 1002 Glen Rose, Texas 76043 .
- - Attention: I'r.. J.T. ?!crritt * '
Manager of Constructio'n & Engineering Gcntlemen: . , TEXAS UTILITIES GENERATING CCMPAMY COMANCI!E PEAL
- STEM 1 ELECTRIC STATION
'N 1981 2300 MN INSTALLATION GLH PROJECT NO. 2323 070023 MAIN CONDENSER VENDOR SURVEILLANCE REPORT d
We are enclosing hercuith for your information and records a ' copy of Vendor Surveillance Report No.CP-736 covering the Survcillance visit to Westinghouse Electric Corp., Lester, Pa. on May 18, 1979. . The information contained in this Report represents the. findings
- related to the Vendor's performance in the manufceture of the - -
purchcsed items. Very truly yours, GID13S & HILL, INC.
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A q S. A A/A E . llarvey R. Rock . k Project Manager - HRR/ABe/ja 1 Copy + lA cc: A141S (B&R Site) - Orig. L + 1A J. C. Kuyhendall (TUGCO Sitc) - lL, lA R. E. Holloway (G&H Dallas) 2L, 2A ee scve.,i.. ,.vre.us cw vo.=..,. v.iooni c
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1 6 i 9/66s S H///. 'r:c. par Or c.c % t es otsic=t es const aucions DATE 5/9/79 R E PORT.NOF-7 2 5 CONSTRUCTION DIVISION g OUALITY CONTROL VENDOR SURVEILLANCE REPORT Texas Utilities Services, Inc. VISIT DATE May 7, 1979 CLIENT Comanche Peak G & H P.O. NO. CP-OO23 L OC ATION _ UNIT NO. 2323 G & H JOB NO. 12-2323-501 CLIENT JOB NO. CLIENT SPEC. NO. MS-23 G B H SPEC.NO. "4 M Pabe Suoport Plates G B H Q.C. ENGR. A. Baker EQUIPMENT See Report PHON E NO. EOUIPMENT NO. EOUIPMENT MFG. LOC ATION SHOP ORDER NUMBER (S) Westirtouse Electric Corp. 18A 3969 VENDOR ADDRESS State Highway 291, Box 9175 8 "# ** CITY STATE ZIP PARTICIPATING PERSONNEL NAME TITLE PHONE NO. g, J. Kawalewski O. C. Engr. (215)595-2895 2. 3. 4. EOUIPMENT MFG. LOCATION SHOP ORDER NUMBER (S) SUB VENDOR ADDRESS , CITY STATE ZIP PARTICIPATING PERSONNEL NAME TITLE PHONE NO.
- 1. 4 2.
3. 4 M ATE R11 A L T Y P E DR AWING NO. R,[{ l VENDOR PROC. NO. N . D . E. */o COMPLETED l MT PT RT UT ET DATE OF NEXT VISIT
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CERTIFTED MAT'L TEST REPORT OTHER TEST l
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l e./w F0lA-85-59
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on May 7, 1979, a surveillance visit was made to Westinghouse Electric Corp. , in Lester, Pa. The purpose of this visit was to perform a final inspection on tube support plates for the main condensers. The tube support plates were inspected one at a time. The inspection in-cluded proper tube hole pattern, deburring of all tube holes, and a dimen-i sional inspection of the tube holes and bolt holes. The identification stamped on the edge of the support was also verified for each tube support. The following is a list of the tube supports which passed inspection. Series No. Item No. 1 1 . 1 2 1 3 1 5 1 6 1 10 1 11
, 1 15 t
1 18 1 19 . 1 20 1 24 1 29 1 30 4 2 1 2 2 2 3
Paan 3 01. 6
, i g
Series No. Item No. 2 4 2 5 2 6 2 11 2 12 . 2 23 2 24 2 25 2 29 All items inspected on the above plates were found to be acceptable. A Quality Control Release was issued for the above 26 tube support plates. ' A copy of the Quality Control Release was given to the Quality Control Department of Westinghouse. A total of three (3) support plates were found to be unacceptable.during this surveillance visit to Westinghouse: two (2) of the support plates needed addi-tional deburring on several tube holes. The identification of the two plates are: Series No. ,' l; Item No. , 28 and 23. These two plates were put aside for additional deburring. Plates No. 28 and 23 will be reinspected during the t next visit to Westinghouse. , During the inspection of the support plates,one (1) plate was found to have no identification. This plate was set aside until the proper identification for the plate can be determined. At that time, the plate will be inspected.
- - , n - . - - - -
( A Quality Control Surveillance Status Report was filled out for the-three
, r (3) unacceptable plates. The status report explained what was wrong with the three plates. A copy of the report was given to the Quality Control Department of Westinghouse.
o Bob Arra of Westinghouse vill call the Gibbs & Hill Quality Control De-partment when additional plates are ready for inspection. A. L. BAKER ,[, C s GIBBS & HILL Q.C. REPRESENTATIVE May 7, 1979 Date of Report
${k
- A. BEAR GIBES & HILL Q. C. MGR.
PAY 9, 1979 APPROVAL DATE OF REPORT 4 e e-l
- osua e:, v s assa sies.a. --w- - -
t an.s t as ot sio t ss co~si mucions saw voxa .' 3 QUALITY CONTROL RELEASE
] SURVEILLANCE STATUS REPORT G & H, Inc. P.O. Cf.00/ J SUPPL. NO.(S) / - / 2. Dofe: .F-7'7I VENDOR WORK / SHOP ORDER NO. / NUS k G & H, IN C. PROJ.NO. 2823 VENDOR 1 %' P J t r, a $ o ur e LOCATION: f t** J f t' c , SCr ITEM (s) 7" v) e ruf,noeTf DWG. NO.( s) 7 l/ LI 7 / f S' f Z l. ] J r, r. o o < 'r J 2 E~ f O .I l P STATUS OF ITEM (s) AFTER SURVEILLANCE:
OUALITY CONTROL RELEASE ONLY-OBTAIN G SH,Inc. SATIS FACTORY PURCH. DEPT, AUTHORIZATION TO SHIP _ /_ CONDITIONAL QUALITY CONTROL RELE ASE. NOT SATISFACTORY SEE COMMENTS REWORK AS INDICATED BELOW WAlVE FIN AL SURVEILLANCE- OBTAiN G & H,INC. INTERMEDIATE SURVEILLANCE ONLY _ PURCH. DEPT. AUTHORIZATION TO SHIP _ HOLD FOR FURTHER INFORMATION, (SEE COMMENTS) COMMENTS BY G & H,INC. O.C. REPRESENTATIVE: 97 0.C, e e / e n .r e
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2r < Z 9. This Status Report Does Not Relieve The Vendor Of His Contractual Responsibilities,
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COPIES TO: (1) PURCHASING DEPT. (I) VENDOR / (l) 0.C. DEPT. Mrso <,> % / 8ad~
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(1) PROJ. MGR. dibbs & Hill,Inc., Representative F80 Rev.2-l/77
Gibbs 8 Hill. Inc.
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1%QiNEEOS oE SIGN E AS CCNS'BUOTORS
- New Yomm QUALITY CONTROL RELEASE 9
SURVEILLANCE STATUS REPORT G S H,ine.PO. MOOD SU P PL. NO.(S) SU RV. RPl. NO. Date: hj \o 6 $ G S H, INC. PROJ. NO. D . VENDOR WORK / SHOP CRDER NO. E 6 DME -- LOCATION: hW h* VENDOR O @} h[u ohdMMN DWG.NO.(s) Md\s8 b1 ITEM (s) (_9 t- CO c u M C-ed ot. kubi M99uD N (9 STATUS OF ITEM (s) AFTER SURVEILLANCE: OUALITY CONTROL RELEASE ONLY-OBTAIN G SH,Inc. SATISFACTORY PURCH. DEPT. AUTHORIZATION TO SHIP
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CONDITION AL QUALITY CONTROL RELEASE-NOT SATISFACTORY SEE COMMENTS __._ REWORK AS INDICATED BELOW
- WAIVE FINAL SURVEILLANCE OSTAIN G &H,Inc.
.,__ INTERMEDIATE SURVEILLANCE ONLY PURCH DEPT. AUTHORIZATION TO SHIP HOLD FOR FURTHER INFORMATION, (SEE COMMENTS)
COM M ENTS BY 'i & H,1NC. Q.C. REPR ESENTATIVE: dt DOhW % b khb bbNk b N b\N O h 6 h SN
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' E This Status Report Does Not Relieve TheVendor Of His Contractual Responsibilities.
7 COPIES TO: (I) PURCH ASING OEPT. s (1) VENDOR ~ (l) 0.C. DEPT. ' NA\bA' (1) PROJ. MGR. Githe 9 Hitt. f aa) entative C F84 Rev. 3- 2/1/78 g a %# s t [ww ww
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,e m Tube Supports 885C378 m
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FACKA C C 3 S W A N CTEIR O O O O the equi:musrs insitated amove is released try our taa11ty Contr:1 Separtmast. Where indicated W n @ reestes and tasa have been rseseves nas approved. at,ec.1ve evisease at vert.fications are maintained vitaia *.no Prwer 0,eeeration er.s .
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Partial Shipment 10 pcs Shipper No. 14139 P. s tarums certifies tant the materials speci*ist amove contaras to tae :ar anc. and D4;neersas require =enta darines Py Ir41seerir.4 ' Irs-.t.4s, Specitisations, and Edty Assurease Proceewee. 4
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- -2:s Comanche Peak s.o. 18A3969
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- au=2 88SC378 =m s c=r czn:c.:n E uxres::n 4ssner. muovrn g zie:xrmws::: u-m:n .
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DATE 5/16/79 REPORT.NOCP-73C-
, oi t t as otsio a ss co staucioas CONSTRUCTION DIVISION 3 OU ALITY CONTROL VENDOR SURVEILLANCE REPORT
#I Texas Utilities Services, Inc.
VISIT DATE CLIENT Comanche Peak S.E.S. UNIT NO. 2 G B H P.O. NO. L OCATION G & H JOB NO. 2323 CLIENT JOB NO. 2323
~
' ~ G & H SPEC.NO.
CLIENT SPEC.NO. R. F. Boziwick Main Condenser G 8 H Q.C. ENGR. EQUIPMENT I212) ~ CP2-COCNMC-01 & O2 PHONE NO. EQUIPMENT NO. SHOP ORDER NUMBER (S1 EQUIPMENT MFG. LOC ATION ' 18A3969 VENDOR Westinghouse Electric Corp.
*# "Y ' *'
ADDRESS STATE ZIP CITY PARTICIPATING PERSONNEL TITLE PHONE NO. NAME R. Arra Proj Coord. (215)595-2393 V. Hulina Proj. Engr. (215)S95-4468 2. 3. 4. SHOP ORDER NUMBER (S)_ EQUIPMENT MFG. LOCATION n/a _ SU B-VEN DOR ADDRESS STATE ZIP CITY PARTICIPATING PERSONNEL NAME TITLE PHONE NO._ 2. 3. 4. M ATERI AL TYPE DR AWING NO. PE\ V ENDOR PROC. NO. n/a ASTM A 285 Gr.C. 744J158 i T N . D. E. lOOo/o COMPLETED MT n/a PT n/a RT n/a UT n/a ET n/a May 18, 1979 DATE OF NEXT VISIT TEST REPORT In house CERTIFIED MAT'L n/a OTHER TEST asvF0lA-85-59
' Fage 2 or *
(_ b A surveillance was performed at Westinghouse Electric Corporation in i Lester, Pennsylvania, on May 15, 1979. The purpose of the visit was to perform a final inspection of the lower tube support plates of the
\
main condenser. i At the time of the visit, twenty-one plates were ready for final in-j 4 spection. All plates were stored inside but showed signs of rust and dirt. They were steam-cleaned initially but afterwards stored improperly. All plates were individually checked for proper number and pattern of holes. The following are results of the inspection: Dimension Check Comments Results Series # Item # Satisfactory Burrs--reworked Accepted 2 10 Satisfactory Accepted 1 28 Satisfactory Accepted 1 8 a Rejected 1 No I. D. No I.D. i Rejected No I. D. No I .DL 1 Satisfactory Accepted 2 7 Satisfactory Accepted 1 22 Satisfactory Burrs--reworked Accepted 1 26 Satisfactory Burrs--reworked Accepted 2 9 Satisfactory Burrs--reworked Accepted 2 30 Satisfactory Burrs--reworked Accepted i 1 17 i Satisfactory Burrs--reworked Accepted i 1 21 i Satisfactory 2 extra holes Accepted 1 12
- Page 3 OL n
. ,. , f Dimansion Rasults Check Comments Series # Item #
Satisfactory Burrs--reworked 1 23 3 extra holes Accepted Satisfactory Burrs--reworked Accepted 1 7 Satisfactory Burrs--reworked Accepted 1 14 Satisfactory nurrs--reworked Accepted 2 14 Satisfactory Burrs--extensive 2 26 rework needed Rejected Satisfactory Burrs--reworked' Accepted 2 8 Extra holes Rejected No I.D. No I.D. Accepted 27 Satisfactory 1 Identification of each plate was verified. Tube holes were checked with a Go-No Go gauge. Some holes (approximately 2%) that were checked were i Westinghouse was made aware of this find-larger than the required size. ing. Their reply was that as the holes were minutely oversized (approx-imately one thousandth of an inch) they found no need to reject the plates. Therefore they were accepted by Westinghouse Quality Control. On this premise, and the time involved for replacement of the plates, the items were accepted. These plates were not of acceptab?e quality . until they were reworked. The following Lower Tube Support Plates were given a Quality Control Re-lease by Gibbs & Hill Quality Control: Series 1: 28, 8, 22, 26, 17, 21, 12, 23, 7, 14, 26 Series 2: 10, 7, 9, 30, 14, 8
% o A. BEARG R. F. BOZIWICK' GIBBS & HILL Q..C. MANAGER GIBBS & HILL Q. C. REPRESENTATIVE May 16, 1979 May 15, 1979 DATE OF APPROVAL DATE OF TESTING
' m.
I Gibbs S Hill. Inc. ( E%GehtE45 DE$sGNEES CO*$'avCTO25 N a ve Yosa QUALITY CONTROL RELEASE SURVEILLANCE STATUS REPORT G 8 H,Inc.RO.b- OOL% _ SUPPL. NO.(S) SU RV. R Pl. NO. Date: b, b G & H, IN C. PROJ. NO. OO VENDOR WORK / SHOP OR' DER NO. CW A VENDOR , E \\1DL\NN N b N LOCATIO N: , h \'b- *\\M hb\b DWG. NO.( s) 14 \5% ITEM (s)
\m G (ms Awu uso sw.
I 1 STATUS OF ITEM (s) AFTER SURVEILLANCE: OU AllTY CONTROL RELEASE ONLY.OBTAIN G S H,in:.
, SATISFACTORY PURCH. DEPT. AUTHORIZATION TO SHIP CONDITION AL QUALITY CONTROL RELE ASE.
NOT SATISFACTORY SEE COMMENTS REWORK AS INDIC ATED BELOW WAlVE FINAL SURVEILLANCE OBTAIN G & H,Inc. INTERMEDIATE SURVEILLANCE ONLY _ PURCH DEPT AUTHORIZATLON TO SHIP HOLD FOR FURTHER INFORMATION, (SEE COMMENTS) 6 COMMENTS BY G & H,INC. O.C. REPRESENTATIVE: 4Q kGC h[ts.g N x M 7%0260 WX4 %w M \ L3
%%wo w G A \ h C L A L C_6eAsc.
/,wv,si o e u.d a.ti,ct. 6,, met , , . , , , .
k%\S4 V N 7 9 .'h D , N ,$ , , f This Slotus Report Does Not Relleve The Vendor Of His Contractual Responsibilities. COPIES TO: (I) PURCH ASING DEPT. O
\% A
- 1) O C DEPT.
Tibbs 8 HIE.-Uthe , Representative (1) PROJ. MGR.
*'d' Rev. 3 2/l/78
Gibbs S HI//. .. ic. PAGE i OF 4
, t ~ose.t e ms casis c as co st aucions DATE 5/18/79 REPORT.NC ~.15 CONSTRUCTION DIVISION ((
QUALITY CONTROL VENDOR SURVEILLANCE REPORT CLIENT Texas Utilities Services Inc. VISIT DATE Mav 19- 1979 CP-OO23 L OC ATION Cer.anche Peak S .E.S . U NIT NO. 2 GSM P.O.NO. CLIENT JCB NO. 2323 G & H JOB NO.
-23 CLIENT SPEC. NO. 2323-MS-23 G & H SPEC.NO.
'* "" "# G & H 0.C. ENGR.
R. F. Boziwick EQUIPMENT CP2-COCNMC-Ol & 02 PHONE NO. (212) 760-5352 EQUIPMENT NO. EQUIPMENT MFG. LOC ATION SHOP ORDER NUMBER (S) Westinghouse Electric Corp. 18A3969 VENDOR State Highway 291 P. O. Box 9175 Lester A ZIP CITY STATE PARTICIPATING PERSONNEL NAME TITLE PHONE NO. i. R. Arra Proj. Coord. (215)S95-2393
- 2. V. Hulina Proj. Engr. (215)S95-4468 3.
4 NT MFG. LOCATION SHOP ORDER NUMBER (S) I SU B-v EN O C N/A AODRESS \_ CITY STATE ZIP PARTICIPATING PERSONNE_,L NAME TITLE NE NO.
, 7 N 2.
/
3 N ~ VENDOR PROC NO. N/A M ATERI AL TYPE DR AWING NO. E ASTM A295 Grc 744J158 2 N.D.E.100 o/o COMPLETED M J/A PT N/A RT N/A UT N/A ET N/A r May 25, 1979 OF NEXT VISIT CERTIFIED M AT'L TEST REPORT In House
"!^
OTHER TEST g Wre F0lA-85-59
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e Eage 2 of 4 A surveillance was perf orred at niestinghouse Electrae Corp. in Lester, Pa., on May 18. 1979. Se purycse of the visit was to perform a final inspe: tion of the remaining seventeen lower tube support plates. At the tare of the surveillance, the seventeen re= air.ing loter tube sapport plates were stcred inside and ready for final inspe= tion. Slight rust and dirt was evident on all plates. They were steam cleaned initially, but due to the hr.idity of the area, cuidation was ec=vrrirg. The plates do not re-quire any finish coating. All plates were individually che:ked for proper nrber and pattern of holes. Se following are results cf the inspectione
- IMIN5:0w SERIZS e IT 4 CHI"K C C".w.INTS PJE5*::.T3 1 25 SAT!5 FACTORY AOCIPTID 1 13 S A*:STAOTORY BUPPJ PEOPJD AOCIP*I" 2 19 SAT 3FA0* CRY =00ZP*I:
1 4 sA!:sTA0 TORY BUPJS F@iOPJD A..v . s 2 IS SATISTACTORY BUP.P3 PFCRfD AOOEP*ED 1 9 $ATISTACTCPY AC"EP*C 2 27 SAT 5 FACTORY N07E3 NOT COM-PI.Eit* Y CRIllED s EX*ENSn*I PrdCPJt COMP'E s EXTRA MC:2 A00EPTED 1 16 SATISTAC?:PY P JPJJ Pr**.PJD AOCIPTED 2 19 $ATISTAC?;RY 807J3 PrdCPID A00EPTED
- m. < . e <
Gibbs 8 Hill. Inc. e.a.......e......n....a.a.. N O'JALITY CONTROL RELEASE O SURVEILLANCE STATUS REPORT s t w. us_ po. C.?_-c6G SLPPL.NOJS) $W RV. 881 No. D ete: b!N hD vt= con eenu/s CP cact= %o. N hY s a n, .= C. PecJ %o 1D vtii sc @ %*'AnblN b"' Lc ATiC4: NLA ** iTt u t en Uwbo%MwMA ces to(al WIGE (se uw b 699%T mM S ( ? t- C % %we *O o sTA'us er iTrucel Afire suavtILLANCE: cu Aviv Comteot ettrast Cutt. tiasm o G w,,ce
$ATa5 FACTORY PymCM CEPT AJTmCEFIAf tC4 T3 $neP hCT SATisFACTORT St C wutnis ef ecen 45 th0iCAf t3 BELow 0 l4ttewtotATE Swevt1LLA%Ct C4LT 0 salvtPVACH F m&L OEPTSLett!LL A*Ct. C64f AgtwCei2ATIC4 m a t w,Inc.
70 Snep
=cLa F04 rumth t R thFORuaTICN, (5ftCCuutNTS)
C0uut h?$ SY o t a, t%C. C.C. 8tPe tSt%TATIv 0 M % llA ufi wtk tf u?% W U ts %*vt % E % te Liu a A . C . h ta.,t s
% GLi hs d,a ~ G n u
-'f M f h \ " 4 9 \\,1b 1T t
',n 4 "L- n ss it, 0 ,ie, 6 to,u tt 2.4 in ,is TNs see*4e Resorf Oses mee Reue.e The vender O' M s Canfies' el me sseae eth*iee.
COP'El 70: (i) Puntmasimo ctPT. ( t) vt40CR * * (l) 4 C. C E PT. -
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. s e . W. , e.e, e.e...ri.e m Peetuse-s a e s. e.s g. gjgj yg ,
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,. e . IF En I 1 l l 1 Pa 3 of 4 i O!ME?iSION SERIES 4 IT # CMECK 0;MP E?CS FEraTS 2 13 SATISTACTORY 2C9JLS PrdCPIID ACCIP T 2 15 SAT:STACTORY ACCEPTID 2 16 SATISFACTORY SU1ULS FrdC35ZD AC 3P T 2 17 S ATISTACTORT SOFA 1 DrdCPID ACCEP*!D 2 21 SATISFACTORY ACCIP T 2 22 SATISTACTCRT BUPAS FIWCFJID ACCIP*TD 2 26 SATISTACTORY ACCEPTED 2 20 SATISFACTORY ACCEPTE: Identification of each plate was verified. ?2e holas were checked with a 2 -!ao Go gauge. A small quantity of holes f a;;roxamarely it) that were checked were larger than the required size. mis s3*+ct was discussed in the report of May 15, 1979. After rework, all t de support plates were accepted. Se f s11cwing tower t-de su; port plates were given a Ouality con *.rol Palease by Cibes & Mill Ouality controle
$ aries 1 4, 9, 13, 16, 25 series 2: 13, 15, 16, 17, 19, 19, 20, 21, 22, 25, 27, 28.
9 s (N ' F. 9etiwick Gitts 6 Mill Q. C. Representative May 18, 1979 Cate of poport A. ,bk em Gibbs & Hill Q. C. Manager May 25,1979 AFyrsval Oate of Pepcrt S
, e en m
__ _ -, -- +
', tibb s S Hill, l' =. PAGE 1 Or s n=cens otsisatas constaucteas DATE 5/29/79 REPORT.NO.C?-73 s
CONSTRUCTION DIVISION (0 QUALITY CONTROL VENDOR SURVEILLANCE REPORT Texas Utilities Services Inc. VISIT DATE "I ' CLIENT Comanche Peak S.E.S. U NIT NO. 2 L OCATION G & H P.O. NO. 2323 CLIENT JOB NO. 2323 G & H JOB NO.
~' ~ G & H SPEC.NO.
CLIENT SPEC. NO. Main Condenser G S H Q.C. ENGR. R.F. Boziwick EQUIPMENT PHONE NO. 212-760-5352 EQUIPMENT NO. CP2-COCNMC-01 & 02 EQUIPMENT MFG. LOC ATION SHOP ORDER NUMBER (S) Westinghouse Electric Corp. 18A3969 VENDOR ADDRESS State Michway 291, Box 9175 CITY Lester STATE PA. ZIP 19113 PARTICIPATING PERSONNEL NAME TITLE PHONE NO. g, R. Arra Proi. Coord. (215) 595-2393
- 2. V. Hu*ina Proi. Encr. (215) 595-4468 3.
4. I EQUIPMENT MFG. LOCATION SHOP ORDER NUMBER (S) SU B-VEN D O R The Marlev Heat Transfer Co. 19A3969 ADDRESS 2095 N. Batavia Street. Orange O' 666 CITY STATE ZIP PARTICIPATING PERSONNEL NAME TITLE PHONE NO. F. Hibbert Q.C. Engr. (714) 637-8100 2. 3. 4. VENDOR PROC. NO. N/A M ATERI AL TYPE DR AWING NO. REV. ASTM A285 Grc 744J158 2 N . O . E. 100 */o COMPLETED MT N/A PT N/A RT M/A UT N/A ET N/A DATE OF NEXT VISIT Contract Complete CERTIFIED M AT'L TEST REPORT In House OTHER TEST r u/o F0lA-85-59
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A surveillance was performed at the Marley Heat Transfer Co., Orange, California on May 21 & 22, 1979. Marley is a subvendor of the Westinghouse Electric Corpor-Marley is fabricating the Upper ation, who is fabricating the Main Condenser. Tube Support Plates. At the time of the visit the remaining thirty support plates were complete and stored outside following final sandblasting. All plates were individually checked for proper number and pattern of holes. The following are results of the inspection: DIMENSION COMME.NTS RESULTS SERIES ITEM # CHECK ACCEPTED 2 ' 43 SATISFACTORY BURRS-REWORKED ACCEPTED 2 53 SATISFACTORY BURRS-REWORKED ACCEPTED l 2 33 SATISFACTORY DURRS-REWORKED ACCEPTED 2 32 SATISFACTORY BURRS-REWORKED ACCEPTED 2 31 SATISFACTORY ACCEPTED 2 35 SATISFACTORY BURRS-REWORKED ACCEPTED 2 52 SATISFACTORY ACCEPTED 2 51 SATISFACTORY i BURRS-REWORKED ACCEPTED 2 47 SATISFACTORY 4 ACCEPTED 2 48 SATISFACTORY BURRS-REWORKED ACCEPTED 2 40 SATISFACTORY ACCEPTED l 39 SATISFACTORY BURRS-REWORKED l 2 ACCEPTED f 2 34 SATISFACTORY 1 } l l
Fage 3 of 5 (, DIMENSION COMMENTS RESULTS SERIES ITEM # CHECK BURRS-REWORKED ACCEPTED 2 38 SATISFACTORY BURRS-REWORKED ACCEPTED 2 49 SATISFACTORY BURRS-REWORKED ACCEPTED 2 50 SATISFACTORY ACCEPTED 2 37 SATISFACTORY BURRS-REWORKED ACCEPTED 2 46 SATISFACTORY ACCEPTED 2 45 SATISTACM RY BURRS-REWORKED ACCEPTED 2 36 SATISFACTORY ACCEPTED 2 55 SATISFACTORY BURRS-REWOPXED ACCEPTED 2 54 SATISFACTORY ACCEPTED 2 42 SATISFACTORY SATISFACTORY BURRS-REWORKED ACCEPTED 2 41 l BURRS-REWORKED ACCEPTED 2 , 44 SATISFACE RY SATISFACTORY BURRS-REWORKED ACCEPTED 2 57 4 SATISFACTORY ACCEPTED 2 56 SATISFACTORY BURRS-REWORKED ACCEPTED 2 58 . SATISFACE RY BURRS-REWORKED ACCEPTED 2 59 SATISFACTORY ACCEPTED 2 60 i Identification of each plate was verified. Tube holes were checked with a Go-lio Go guage. A negligible number of holes that were checked were oversized. This subject was discussed in the Westinghouse report of May 15, 1979. After the required rework, all tube support plates were accepted. A
Fage 4 of 5,
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J The following Upper Tube Support Plates were given a Quality Control Release by Gibbs & Hill Quality Control Group # 1 - 31, 32, 33, 35, 43, 51, 53, 47, 48 Group # 2 - 34, 36, 37, 38, 39, 40, 45, 46, 49, 50 l Group # 3 - 41, 42, 44, 54, 55, 56, 57, 58, 59, 60 s R. F. Boziwick { Gibbs & Hill Q. C. Representative l May 21 & 22, 1979
! Date of Report Eth A. 'Bearg Gibbs & Hill Q.C. Manager May 29, 1979 .
Approval Date of Report 1 l J i l
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3/18/85 Y k SSER h ,jYY 1. Allegation Group: Mechanical and Piping Category 30 - Improper receiving inspection and deficient vendor fabrication. I s [
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- 2. Allegation Number: AQW-15 \ (
- 3. Characterization: It is alleged that: ,
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- a. Some tube holes in the main condenser tube support sheets wey M Y
incorrectly drilled.
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- b. An inspector rejected vendor welds on a main condenser en g changed his mind and accepted them for no apparent reason.
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- 4. Assessment of Safety Significance: The main steam condenser is not a l
safety-related item. The TRT chose to investigate the allegation in this category, however, to detennine if a generic problem existed which could affect the handling of safety-related iteng. l The NRC Technical Review Team (TRT) learned that Texas Utilities ! Service, Inc. (TUSI) purchased the two main steam condensers from Westinghouse Electric Corporation. The condensers arrived from the vendor's shop in a partially fabricated condition. Brown & Root (B completed the final assembly and welding at Comanche Pea S am ElectricStation(CPSES). p g [p?)b:
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