05000272/LER-1979-049-01, /01T-0 on 790710:during Refueling Outage,Insp of Pipe Support Concrete Anchors Showed 9% Needed Replacement. Cause to Be Determined When Test Results Are Evaluated. Design Change 1EC-593 Made to Correct Deficiencies

/01T-0 on 790710:during Refueling Outage,Insp of Pipe Support Concrete Anchors Showed 9% Needed Replacement. Cause to Be Determined When Test Results Are Evaluated. Design Change 1EC-593 Made to Correct Deficiencies

ML18079A635
Person / Time
Site:	Salem
Issue date:	07/24/1979
From:	Kepple A Public Service Enterprise Group
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML18079A634	List: 05000272/LER-1979-049-01, /01T-0 on 790710:during Refueling Outage,Insp of Pipe Support Concrete Anchors Showed 9% Needed Replacement. Cause to Be Determined When Test Results Are Evaluated. Design Change 1EC-593 Made to Correct Deficiencies
References
LER-79-049-01T, LER-79-49-1T, NUDOCS 7907310372
Download: ML18079A635 (2)

LER-1979-049, /01T-0 on 790710:during Refueling Outage,Insp of Pipe Support Concrete Anchors Showed 9% Needed Replacement. Cause to Be Determined When Test Results Are Evaluated. Design Change 1EC-593 Made to Correct Deficiencies

Event date:
Report date:
2721979049R01 - NRC Website

text

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.r-e Report Number:

79-49/0lT Report Date:

7/24/79 Occurrence Date:

7/10/79 Facility:

Salem Generating Station Public Service Electric & Gas Company Hancocks Bridge, New Jersey 08038 IDENTIFICATION OF OCCURRENCE:

• Pipe Support Concrete Anchors Embedment Deficiencies CONDITIONS PRIOR TO OCCURRENCE:

Operational Mode 5 DESCRIPTION OF OCCURRENCE:

An inspection of concrete anchors used in installed pipe supports without baseplates is currently in progress on Salem Unit No.

l~

This inspection utilizes ultrasonic testing for embedment of indi~

vidual bolts and test loading of selected supports using hydraulic equipment to develop test loads which are a function of the design load.

Areas inspected include north and south penetration areas, containment and the auxiliary building. - To date, 9% of the anchors tested require replacement.

DESIGNATION OF APPARENT CAUSE OF OCCURRENCE:

The inspection results are being evaluated to determine the cause and safety significance of this problem.

ANALYSIS OF OCCURRENCE:.

An analysis will be submitted when evaluation of the test results is completed.

CORRECTIVE ACTION

Design Change lEC-593 has been initiated to provide the corrective action to be taken as problem areas are identified.

FAILURE DATA:

None Prepared by ____

A_. __ w_. __

K_a_p~p_l_e ________ ~

Manager -lsa em 'Generating Station SORC Meeting No.

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LICENSEE EVENT REPORT CONTROL BLOCK: I l 0 (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) 1 6

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9 LICENSEE CODE 14 15 LICENSE NUMBER 25 26 LICENSE TYPE JO 57 CAT 58 CON'T WJJ 7

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~~~~; L1J© I o I s l o I o I o l 2 I 1 I 2 !GI o 17 I 1 I o I 1 I 9 I© I o I 1 I 2 I 4 17 I 9 I G) 60 61 COCKET NUMBER 68 69 EVENT CATE 74 75 REPORT CATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES@

[§))] I During refueling outage, inspection of pipe support concrete anchors

((JI] I showed that 9% of the arichors tested require replacement.

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Analysis of this occurrence will be made when evaluation of the!

test results is complete.

This is the first occurrence of this type.

7 8 9

- 80 SYSTEM

CAUSE

CAUSE COMP.

VALVE COOE COOE SUBCOOE COMPONENT CODE SUBCODE SUBCODE 0I1 1z1z1@ Le.J@ L!J@ lslulPIOIRITl@*w@ ~@

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19 20 SEQUENTIAL OCCURRENCE REPORT REVISION C\\ 1.E R 'RO LVENT VEAR REPORT NO.

CODE TYPE NC.

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I 0 I 1 I L!J 1-1 w

NUMBER 21

!2 23 24 26 27 28 29 JO 31 32

. ACTION FUTURE EFFECT SHUTDOWN

~ ATTACHMENT NPRD-4 PRIME COMP.

COMPONENT TAKEN ACTION ON PLANT METHOO HOURS ~ SUBMITTED FORM :sue.

SUPPLIER MANUFACTURER W@W@ W@ W 101010101 L!J@ llLl ll:J@ IXl9l919I@

JJ 34 JS 36 37 40 41 42 43 44 47 CAUSE DESCRIPTION ANO CORRECTIVE ACTIONS o::r:IJ I Cause of this occurrence will be determined when evaluation of test results are complete.

Design Change lEC-593 has been issued to correct!

deficiencies as they are identified.

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a 9 FAClLITY IJQ\\

STATUS

% POWER OTHER STATUS ~

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80 METHOD OF DISCOVEFIY DESCFllPTlON DISCOVERY L£J@IExtension of NRC InsEection 8

9 10 12 1'3 ACTIVITY CONTENT t:::'I RELEASED OF RELEASE AMOUNT OF ACTIVITY [ill] L!.J @).~@)I N /A 7

8 9

10 11 7

44 4S 46 80 LOCATION OF RELEASE @

NLA 44 45 80 PERSONNEL EXPOSURES t.::::'\\

NUMBER

~TYPE

DESCRIPTION

[ill] I o l o I o 1'8'W@L-_._....:;N~/..:.;A;..._ ____ __, ______________ _...

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9 11 12 13 PERSONNEL INJURIES t.:<l ao NUMBER DESCRIPTION~

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a 9 11 12 eo LOSS OF OR OAMAGE TO FACILITY t4J' TYPE

DESCRIPTION

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10 80 PUBLICITY C\\

NRC USE ON Ly ISSUED(.;';\\ DESCRIPTION~

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PHONE: (609)365-7000 Salen Ext.

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