ML20210B021

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Rev 3 to Instruction QI-QP-11.14-3, Insp of Structural/ Miscellaneous Steel Welding. Supporting Documentation Encl
ML20210B021
Person / Time
Site: Comanche Peak  Luminant icon.png
Issue date: 12/17/1981
From: Dill H, Scott B
TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
To:
Shared Package
ML20197F755 List:
References
FOIA-85-59 QI-QP-11.14-3, NUDOCS 8601270325
Download: ML20210B021 (19)
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Text

{{#Wiki_filter:. \\. INSTRUCTION ISSUE TEXAS UTILITIES GENERATING CO., NUMBER DATE PAGE REVISION CPSES l 1 6 1981 'QI-0P-11.14-3 3 DEC 17 1 of 6 1 1 i' PREPARED BY: b (2!!(4!O/ INSPECTION OF 1 i y CATE 1 STRUCTURAL /MISCELLANE0US q STEEL WELDING APPROVED BY: 5 an 7-IIo-D gn-APPROV% fin.. - o"e e I' uM gjyiL(~n,' *

1.0 REFERENCES

/'%kf'n[ n I-A AWS D1.1-75, " Structural Welding Code" U / 1-8 WES-16," Welder Qualification Matrix" 1-C CP-CPM-6.98, " Weld Filler Material Control" l 1-D QI-QI-11.14-1, " Inspection of Site Fabricatien and { Installation of Structural and Miscellaneous Steel" I 1-E WES-029, " Welding Specification for Field Fabrication and ( Erection of Structural Steel" i 1-F CP-QP-16.0, "Nonconfonnances and Deficiencies" 2.0 GENERAL i 2.1 PURPOSE AND SCOPE j j The purpose of this instruction is to provide guides for visual inspection of welds in accordance with Reference 1-A on safety-related structural / miscellaneous steel other than cable tray and conduit supports (which are governed by their i own procedures). l l 3.0 INSTRUCTION l 3.1 WELDER QUALIFICATION VERIFICATION i The QC Inspector shall veri fy that the welder assigned to perfo nn the activity is qualified to the applicable pr i ocedure by checking the Welder Qualification Matrix, l Reference 1-8. I I I I I l H C i!!! ~ 1 F01A-85-59 3 ms I TUGCOOA

/ I ( s t INSTRUCTION ISSUE RWISION PAGE TEXAS UTILITIES GENERATING CO. CPSES ( QI-QP-11.14-3 3 DEC 17 1981 2 f6 3.2 SURVEILLANCE INSPECTIONS The following random inspections shall be performed by the QC Inspector. The frequency of these inspections shall be detennined by the Quality Control Supervisor or his designee. 3.2.1 FIT UP On a random ba si s, the QC Inspector shall veri fy the following: a. The weld joint surfaces and approximately one inch adjacent to the weld shall be clean and free of moisture, rust, oil, grease, or any type of protective coating. Cleaning may be accomplished by wire brushing, filing, or grinding. Oil and grease should be removed by a stoddard solvent, "Varsol", or approved equal. b. Mismatch (for butt joints) does not exceed 1/8 inch. ( c. The gap between parts shall not excebd 3/16 inch and the weld size (leg length) shall be increased by the amount of separation. d. For butt welds, root gap is as specified on fabrication drawing. e. Tack welds which are to be incorporated into the final weld meet acceptance criteria of S'ection 3.3. Defective tacks shall be repaired or removed. 3.2.2 PREHEAT The QC Inspector shall randomly verify that preheat is in accordance with the applicable welding procedure. Preheat should be measured with temperature indicating crayons or approved equal. 3.2.3 WELD FILLER MATERIAL VERIFICATION The QC Inspector shall randomly verify that the welder is using electrodes properly issued in accordance with Reference 1-C. TUGCOO'A

~ t. l INSTRUCTION ISSUE REVISION PAGE TEXAS UTILITIES GENERATING CO. CPSES QI-QP-11.14-3 3 ggg 17 19g1 3 of 6 3.3 , VISUAL INSPECTION 3.3.1 Fit-up Inspection A fit-up inspection shall be perfonned for all full penetration, partial penetration, and skewed fillet welds. NOTE: Partial penetration welds do not include fillet welds. 3.3.2 Final Weld Inspection After completion of welding, the QC Inspector shall verify that the welder has stamped the weld with his ID symbol adjacent to the weld. The welder ID shall be recorded on the IR. The QC Inspector shall also inspect the weld for the following: All welds required by drawing are completed and that no additional welds have been added without approval of ( the Design Engineer. The following visual weld inspection criteria shall be used when verifying acceptability: 1) All welds are free from cracks and slag or slag inclusions. 2) Thorough fusion exists between weld metal and base metal. 3) All craters shall be filled to the full cross section of the weld. 4) Welds shall be free from overlap. 5) Weld undercut shall not exceed 1/32 inch. 6) Weld profiles shall be in accordance with Figure 1. 7) The sum of diameters of piping porosity shall not exceed 3/8 inch in any linear inch of weld and shall not exceed 3/4 inch in any 12 inch length of weld. 8) Arc strikes in the area of interest shall be ground to a smooth contour and checked to ensure soundness. TUGCO OA Form Peo. I

4 ( INSTRUCTION ISSUE REVISION PAGE - TEXAS UTILITIES GENERATING CO. CPSES ( QI-QP-11.14-3 3 yy7 g 4 of 6 9) Fillet weld sizes shall be checked with a fillet weld gage (fibremetal or equivalent). The weld size shown on the drawing shall be the minimum required weld size, except that fillet welds in any single continuous weld shall be pemitted to be 1/16" undersize (without correction) provided that the portion of undersized weld does not exceed 10% of the total weld length. NOTE: Welds which do not meet the above size requirements shall be corrected. If conditions are not correctable, they shall be reported in accordance with CP-QP-16.0. The QC Inspector shall verify that unacceptable welds are repaired by removing the weld material by grinding, machining, chipping, oxygen gouging, or air carbon arc gouging, and the surface thoroughly cleaned prior to rewelding. NOTE: The extent of weld metal cracks shall be ( ascertained by acid etching, MT,,or other equally positive means. The weld metal shall be removed 2 inches beyond the end of the crack before rewelding. Results of final visual examination shall be recorded on the IR (Reference 1-D, ). Additionally, the QC Inspector shall mark a "Q" on all joints or parts inspected by him with a Nissen Marker. 3.4 WELD REPAIR Weld repair shall be perfomed and documented in accordance with Reference 1-E. 3.5 BASE METAL REPAIR Base metal damage greater than designated allowable limits (in ASTM specification) shall be repaired in accordance with existing site procedures. 3.6 DOCUMENTATION i Results of all inspections required by this instruction l shall be documented on an Inspection Report (Reference 1-D, ' ). Resul.ts of inspections requi red in 3.2 shall be documented in comments section of the IR. TUGCO OA

/ / 1 's INSTRUCTION ISSUE N TEXAS UTILITIES GENERATING CO. DATE CPSES QI-QP-11.14-3 3 ggy7 g 5 of 6 3.7 ,NONCONFORMANCES The QC Inspector shall report: a. Major or delayed cracks; b. Base metal defects in excess of the allowable designated ASTM specification; and c. Deviations requiring revised design as nonconfonning in accordance with Reference 1-F. e M.j k

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N/A b I MI DATE 3-/7-82 DEPT. Civil Enqigyering PRERARED BYN bbh DATE 3- ' 7-M REVIEWED BY ANI REVIEW M /4 DATE N//l GA/QC CP.1ed DEPT. OPERATION CONSTR EN G. ANI 1 QC Verify piece marks and arrangement in accordance with MSB-0635-jf"/l V 00J Shts. 4, 5 & 6. Record verification on' attached Structural Assenibly Verification card. 2 MW Fitup pieces to be welded per MSB-0635-00J Shts. 4, 5,'& 6. Mark location of remaining holes to be drilled. Tack weld sill 1p and head stop bars on location. ~ 3. QC Inspect fitup of all full penetration _ welds.,_pocgne n weld 9 [ inspection documentation car Q (7 h D Wu 2-tw2 4. MW Perform welds as shown on MSB-0635-00J Shts. 4, 5, & 6 per i / 1V 3-!N L gftz C / UPS /06 4 (, /Mb 5. QC Perfonn visual inspection f welds per QI-QP-11.14-3. Document v on weld inspection doc t tion card 9a St I ) // QC V) s 5 ( ' 7, Instal d r 5 S 's. 4, 5, h ATE 8 QC Perfonn f Ir an ce o standard. PERM. PLT. REC ORD /#//Vr3 am L l,,h....7L I.19, SUBrtL,r g 6 Ref: DCA-10, 7 CA-11,561 DCA-11,793 CEgg 4gj WK Note: Upon completion of work, return this traveler to b pt-83 Civil Engineering. Attn: J.D. Crim. X T St.f s 1s. MW Du e. Te> f ke a.s-Lu a (T e P % op eniaig, c.d / W 099 4ke Top bo.e o u i k e. voy1kdoo,, f i W l.o e k + k t. bw To wew posiTroa pew -g' - tk <. d.e.s. i p cAva.w tug s 9afe 5

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FIGURE 1. Page 1 of I hah tugco ' 7 COMANCHE PEAK STEAM ELECTRIC STATION DESIGN CHANGE AUTHORIZATION (WILL) (MuXMI) BE INCORPORATED IN DESIGN DOCUMENTS DCA NO. 10017 1. SAFETY RELATED 00CUMENT: XX YES NO 2. ORIGINATOR: CPPE XX ORIGINAL DESIGNER 3. DESCRIPTION: A. APPLICABLE 1RH/CWG/BHDEXIX 2323-51-0635 REV. 2 B. DETAILS This will serve as engineering approval to substitute A36 material for A588 material for the 3/16" thick plate as shown on Sect.10-10 & Sect. 6-6 on Dwg. 51-0635. These Sects. apply to the missle resisting hatch cover at 853'-2". g 7 I natFAOhI N..-- t nw v n,m s P/. O Mur_ _ \\E 'N W 1 \\ ,gg w. 4. SUPPORTING DOCUMENTATION: ) DPD i L TWX-12,903; GTT-7723 ) a 5. APPROVAL SIGNATURES: DM/baf 4-20-81 w A. ORIGINAT DATE 4EO-E/ B. DESIGN R / [ymrtuir/h DATE

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6. VENDOR TRANSitITTAL REOUIRED: YES NO XX 7. STANDARD DISTRIBUTION: DCA ARMS (Original) (1) Quality Engineering (1) ECEIVE] TS for Orig. Design. (1) g E C E I V E IM

R*.'!,TUCCO FIGURE 1. Page 1 of 1 COMANCHE PEAK STEN 1 ELECTRIC STATION DESIGN CHANGE AUTHORIZATION ("II.L) (UJM)fKX4 BE INCORPORATED IN DESIGN DOCUMENTS, DCA NO. 11.561 1. SAFETY R5 LATED DOCUMENT: XX YES NO 2. -ORIGINATOR: CPPE XX ORIGINAL DESIGNER v 3. DESCRIPil0N: ?.. l.PP'.ICABLE 3980VDWG/0000ftfM 2323-51-0635 REY. 2 B. CEiAILS Note 1 under tornado missile barrier calls for A 514 GR. F ir.atbrial for the 3" olate. ' A 514 GR. F material' onli cohies in plat'e u'p-to nd Scludinc 21" thick. A 514 GR. O shall be used for this plate. ~ \\ wwW..;r\\ \\D ..YY'. \\ Y...,Q b ~ \\ \\ gL \\ 4. fJPPORTING DOCUMENTATION: 73 5. APPR0/AL SIGNATURE - DC/sgf 11-13, A. OP.IGIHATOR: jw DATE

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i M 70[ / FIGURE 1. Page 1 of 1 COMANCHE PEAK STEAM ELECTRIC STATION DESIGN CHANGE AUTHORIZATION (WILL) (WRIE)mtXK) BE INCORPORATED IN DESIGN DOCUMENTS DCA fl0. 11,793 1. SAFETY RELATED DOCUMENT: XX YES NO 2. ORIGINATOR: CPPE XX ORIGINAL DESIGNER 3. DESCRIPTION: A. APPLICABLE 3R50/DWG/X)000tM 2323-S1-0635 REV. p B. DETAILS In note #2 under Tornado Missile Barrier Detail- "J" E 70XX Electrodes may be substituted fo~r the E~80XX Electrodes reauired. ~"~ >A \\Ei \\ \\N?%,h5?\\ I 4. SUPPORTING DOCUMENTATION: t , JL, \\ ,3 \\ 3V V 5. APPROVAL SIGNATURES: JDC/sgh '12-8-81 b ruMy 6i A. ORIGINATOR: DATE r266/ DESIGNREPRE'SEN,!A M DATE_/d-[~8/ B. 6. VENDOR TRANSMITTAL REQUIRED: YES ,NO XX 7. STANDARD DISTRIBUTION: DCA FORM 11-80 JOB NO. 35-1195 ARMS (Original) (1) "[ E C E I V E B Quality Enoineerina (1) TS for Orig. Desigii. (1) fjEC 091981 H ] Ray Moller (1) I l E C EIV E d

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I Defect Identification l D Base Metal Damage 1 l l j l C Minimum Wall Yiolation l l l l ~ I 04rc strike I tri,l @ 0ttier: A\\ %FA.%Wi(WoM (stREMAerd Is/ldtff/stfh h/gMr(j M \\' l r ~ l Defect Dimensions: / T\\O'N \\l l l Material Type / Grade: fnQW3' [l-lil Wall / Plate Thickness \\ \\h\\ W '__ g6l% l\\ (- Outside Diameter: \\ g4 3 q Jrl \\ I \\fi \\.$ 1 3" l \\ i l %) - 9\\\\ f (PC*13 ms,B -oi 3 5 - co:D y# I o o C O O o o pj ( n /1 7 i / / I SEE. REmaexs 4/ I 1 (/ I-A.4 i b$[j'0;V DU l s "*'*****"**,c'.M' apg no. } O 2 3 V W ~ OW.ALL LEGT}l g31LL, yoT NeTE' BASE M E.TAL DEFEc.T REGtESTES gg pt ;. 9 j. g E-C E >8re. tur To enoreinTwoTry.esuc.* OF jN,,-*s. T o R. W n.L.r) N t-- F e s ele" m u. w r ca p </e" 54.'4aent nesr c40 tecM is re. 3"iL}i

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l l l l 6. l Verify Fina1 Dimensions V l l 1 7. Verify Mark Number and Unicue Number Legible

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l s p ]lNP8CCESS ] p4E INSTALLATJoN ] lNSTALL ATICN NAL O PAETEST l NSPECTIoN VERIFiC ATI ON INSPECTION INSPECTION INSPECTION 9l I tNSP. RESULTS NSPECTICN COMPLETED, ALL AppUCA8LE ITEMS S ATi$rAC TORY gg .}/2 5 !j'[ C WEAR ATE OiNSPECTroN CouPurTEo, uNSATiSrAC ORT iTEuS uSTEo sELow fC ri i al CC fTEW No. INSPECTION t.TTRIBUTES ClDAIE SIGN ATUR E <o 51 ,3 i2 d l 1. l Verify Material Identification t-l l l ' 2. j Verify Welder Qualification M' l l l l Welder Symbol: r ft, c.Du, gtx, ffx t/ j !I l 3. I Visual Inspection of All Automatic Stud Welds 4'8 l l l l l l l l 4. l Final Visual Insoection of Welds # '[i l l l l I l l \\ 5. I Bolt Threadina per Paraaraoh 3.6 A//61 l 3 l l I / 6. I Bolteh Connections nor Paracraph 3.7. Zwi\\@ l\\ l 1 CcnKWB'k 7\\ l I 7. Verify Final Dimensions kE Allh5\\ \\ P R UU T \\1 8. Verify Mark Number and Unioue Number Legke JV [ I l l Unique *: p4,3.f g - / 7 \\- ()QKN f ! j k Ii ht'Y V _.i,. 510", L.# I [...k

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