ML20112D751

Staff Exhibit S-R-1,consisting of 840813 Instruction for Walkdown of Cable Tray Hanger Connection Welds

ML20112D751
Person / Time
Site:	Byron
Issue date:	08/21/1984
From:	Hansing K, Jacques L, Klingler R COMMONWEALTH EDISON CO., SARGENT & LUNDY, INC.
To:
References
OL-S-R-001, OL-S-R-1, NUDOCS 8501140471
Download: ML20112D751 (8)

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INSTRUCTION FOR WALKDM.' OF CABLE TRAY HANGER CONNECTION WELDS 3yRON STATION NUCLEAR REGULATORY COM2f!!I0'4 Decket No. N VC Qk 'a ,< - s . _-~ f in the matter of N 6 O Q,_ 4 Q,Rjl ~1, _

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INSTRUCTION FOR WALKDOJN Of CABLE TRAY HANCER CONNECTION WELDS 2.0 $CDPE-1.1 This instruction applies to the Walkdown of:

A). All accessible cable -tray hanger connections in Safety Related Arcas as issued by Sargent & Lundy and directed by CECO. shall be walkdowned for presence' of welds.

B). Any walkdowns finding . missing welds shall by inspected or mapped by Certified AWS Weld Inspector C). Inaccessable welds are those that are covered by fireproofing or blockwalls. Fireproofing or blockwalls .will not b 96ause for classifying DV-8 or DV-8A connections inaccessable. Where this condition exists the fireproofing or.blockwall section :will be removed to establish accessability after review of condition by Ceco.

2.0 PURPOSE 2.1 The purpose of thif instruction is to delineate the requirements necessary to implement palkdown and gather data for er.gineering evaluation as directed by CECO.

3.0 REFERENCES

3.1 Sargent and Lundy Cable Tray Connections Detail Drawings.

3.2 AWS D1.1 (1978) and D1.3 (1978) .

4.0 PROCEDURE 4.1 The Sargent and Lurdy everall Field Coordinator shall be responsible for.:

4.1.1 Assigning cualified personnel to perform the walkdown functiens described in this instructior..

4.1.2 Directir,g the walkdown activities. .

4.1.3 Assuring the. implementation of this instruction.

4.1.4 Evaluatc/ report walkdown results.

4.1.5 Report r.issing welds to CECO QC Supervisor.

4.2 Walkdown personnel shall be responsible for:

4.2.1 Performing . assigned walkdowns.

4.2.2 Using proper equipment!

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4.2.3 'Documonting walkdown results _{[

4.2.4 Reporting any . missing welds.

4.3 The CECO QC Supervisor shall be responsible for:

4.3.1 Initiate inspection of' hanger connections with reported mi s s ing . weld s .

4.3.2 Assign oualified inspectors to perform. inspections.

4,3.3 Assuring the implementation of this instruction.

Initiate any required CECO Nonconformance Reports.

4.3.4 4,4 Walkdown personnel and certified AWS weld inspectors :shall receive formal classroom training and be practically tested in implementation of this instruction using actual mockups. Records' of this training and testing for walkdown persennel shall be maintained by the S & L overall ' field coordinator. Records of this training and . testing for Weld Inspectors shall be maintained by CECO OC Supervisor.

4.5 Non-Conformances shall be reported in accordance with CECO Procedure QP NC. 25-1. Cable Tray Connection hanger . deficiencies shall be napped by Certified AWS Weld Inspectors using the design' detail. -

This n.ap shall be concrolled in accordance with attachment C.

5.0 DOCu".ENTATION 5.1 WalKcoan results shall be documented on Attach:ent A and B as appropriate.

5.2 Ceble Tray Connection descrepancies shall be rapped on the design detail.

5.3 Weld naps snal) be controlled per pttachrent C.

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2 INSTRUCTIONS FOR CABLE TRAY CONNEC. TION CHECKLIST ( Attachment A)

1. Enter Hanger Number (i.e. H153/DV-120).

2. Enter Dra.'ing Number and Revision Number.

3. Enter Connection Types and Quantities.

4 Enter " A" acceptable, "U" unacceptable as applicable.

NOTE: '1) - Any weld that does not meet the weld presence requirements of the design drawing .shall be marked "U"

5. usikdown personnel to sign / initial.

6. Enter any remarks eg. alternate detail no. , or FCR's etc.

7. Enter date of walkdown. ,

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w ATTACRMENT C WELD MAP LOG T.h. c .

ATE Description / Re arks e Har.;er # Location Dra ir.g .

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INSTRUCTIONS JOR WELD MAP Nb".SER LOG (Attachment C) t 1. Enter weld map number. The nue.ber shall be a sequential number (0001-9999).

2. Enter Cable Tray connection number and Hanger numbe.r as applicable.

3. Enter Drawing .numbstr and Revision.

4. Enter inspector initial and date of inspection.

5. Enter a brief description of deficiency or additional rer. arks at necessary.

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