ML20149E106

Rev 1 to Instruction I-29, Temporary Instructions for Review of Welds Associated W/Pipe Attachments on PG&E Code Class B,C,E,E' & G

ML20149E106
Person / Time
Site:	Diablo Canyon
Issue date:	09/14/1983
From:	PACIFIC GAS & ELECTRIC CO.
To:
Shared Package
ML20149D694	List: DCL-84-022, Requests Errata to Encl Sser 21,Page 2-185,Allegation 82. Review of Sser 21 Indicated Some Factural Errors on Markup of Page 2-185 DCL-84-045, Submits Design & Const Status of Design Change Notice DCO-EE-446 Re Control Room Ventilation & Pressurization Sys. Design & Const Complete.Repair,Testing Activities & Resolution Scheduled to Be Completed by 840215 DCL-84-068, Forwards Partial Response to Questions on Sser 21,Items 61 & 102 Re Design Control Process for Plant.Encls 2 & 3 Describe Method for Closure of Completed Work & Responds to Questions Raised at 840119 Exit Interview,Respectively DCL-84-074, Forwards Suppl to 840215 Response to SECY-84-61,Items 71,73 & 183 Re Sale & Use of Drugs at Plant DCL-84-080, Forwards Program Description for HP Foley Co Quality Records Review & Turnover,In Response to Questions Raised by NRC at 840119 Exit Interview DCL-84-082, Forwards Util Response to Sser 21,Item 23 Re Qualification of Pullman Power Products QC Welding Inspectors ML20149D690 ML20149D718 ML20149D745 ML20149D765 ML20149D789 ML20149D832 ML20149D852 ML20149D889 ML20149D916 ML20149D928 ML20149E003 ML20149E061 ML20149E106 ML20149E143 ML20149E334
References
FOIA-84-21 I-29, NUDOCS 8801130222
Download: ML20149E106 (3)

Text

.

- RMS INSTRUCTION I-29, Rev. 1 INDEXED DATE: 9-12-83 i

FILE NO. 146.08 PAGE 1 0F 1 TEMPORARY INSTRUCTIONS FOR REVIEW OF WELOS ASSOCIATED WITH PIPE ATTACHMENTS ON PG&E CODE CLASS B, C, E, E', G AND 0 Prapared by: date: k!II/$3_

Approved by: date:

'b 3 Approved by: /. -

e-. M A k / M ' date: 9 N-k3 For all welded pise attachments (except PG and E Code Class A) that show a penetration weld wit 1 a fillet cap, assume that there is only a fillet weld. For Diablo Unit #1, this requirement applies to Shear lugs only.

If there is insufficient information to determine the size of the fillet, request information from the On-Site Engineering Group. In the case where the fillet weld is not adequate, field will UT the existing weld to determine if a penetration weld exists.

Reference:

Discrepancy Report No. 4571 (JM @ N 7ACLt.ED CONTROL C

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8801130222 871229~ .

OkRDE8 21 PDR .---

4 RMS i INSTRUCTION I-29, Rev. 1 INDEXED DATE: 9-12 FILE NO. 146.08 PAGE 1 0F 1 1

1 TEMPORARY INSTRUCTIONS FOR REVIEW OF WELDS ASSOCIATED WITH PIPE ATTACHMENTS ON PG&E CODE CLASS B, C, E, E', G AND 0 Prepared by: dato: 12/$3 Approved by: 74 date: $'b'0 3 Approved by: / hf MA [//M date: % N-k3 j/ '

For all welded pise attachments (except PG and E Code Class A) that show a penetration weld wit 1 a fillet cap, assume that there is only a fillet weld. For Diablo Unit #1, this requirement applies to Shear lugs only.

If there is insufficient information to determine the size of the fillet, request information from the On-Site Engineering Group. In the case where the fillet weld is not adequate, field will UT the existing weld to determine if a penetration weld exists.

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Reference:

Discrepancy Report No. 4571

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