ML19326A427

Deficiency Rept Re Shipping Damage to Reactor Coolant Pump Case.Shipping Damage Insp & Repairs Will Be Performed in Mfg Shop

ML19326A427
Person / Time
Site:	Davis Besse
Issue date:	07/27/1972
From:	Sampson G TOLEDO EDISON CO.
To:
Shared Package
ML19326A423	List: ML19326A427
References
NUDOCS 8002030233
Download: ML19326A427 (3)

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TOLEDO EDISDN GaNN J. SAMPSON v.ce pres,o m, po...

July 27, 1972 Docket No. 50-3h6 Mr. Lawrence D. Lov, Acting Director Directorate of Regulatory Operations U.S. Atomic Energy Cc==ission Washington, D.C. 205h5

Dear Mr. Low:

During a routine site inspection conducted by your Messrs. Erb, Hayes, and Vandel from Region III on July 11-13, 1972, the subject of shipping damage to a reactor coolant pu=p case which was received on June 15,1972, was discussed.

This incident had not been considered by us to be reportable under 10 CFR g Part 50.55(e) of the Cc==ission's regulations. However, discussions with

( ) your representatives resulted in a request that we for ally report this

'V da= age.

Accordingly, we are enclosing a report, dated July 26, 1972, covering details of shipment damage to a primary coolant pu=p casing which was received at the site on June 15, 1972, with da= age resulting from a truck accident. This report also covers details of site inspection, return of the casing to the pu=p vendor on July 17, 1972, and steps to be taken through shop inspection and repair work to ensure that this pump casing vill =eet all conditions of the specifications under which it was fabricated.

Yours very truly, i

,  ??M 0 /-t n

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GJS:cd Enclosure ce 'T8C'd Uff. Dir. Of Reg.

Mr. Ecyce H. Grier, Cal 8I3//7L c Regional Director rime er,o

( Region III g00203ON3 -

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/ N THE TOLEDO EDISON COMPANY EDISON PLAZA 300 MADISON AVENUE TOLEDO. CHIO 43652

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DAVIS-BESSE UUCLEAR POWER STATION SHIPIE:!T DAMAGE TO PRIMARY COOLAIIT PU!F CASII;G S/:1 701-N-02h1 i General The reactor coolant pu=ps for the Davis-Besse Nuclear Power Station are being supplied by the Byron-Jackson Pumps Division, Borg-Warner Corporation, under a purchase order No. 022297LW from The Babcock & Wilcox Company.

Incident .

.On May 26, 1972, one reactor coolant pump casing S/U 701-N-02h1 was shipped from the Byron-Jackson Company factor / at Vernon, California, via C & H Trans-portation Company. On Jun1 15, 1972, this pu=p case was received at the Davis-Besse site with indication that this shipment had been involved in some type of

accident since the pump casing was mounted upside down on the shipping pallet

and the pallet was broken in one section.

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Upon inspection, the proper Report of Inspection and USS Component Deviation Report were completed indicating the receipt condition. Investigation revealed that in Oklahoma, the truck had overturned onto an earthen embankment. The i

l pump case was reloaded and in Tulsa was re-mounted on the skid.

1' On June 16, 1972, preliminary inspection was made by local Byron-Jackson Company personnel and on July 11, 1972, a detailed inspection was n!ade by Byron-Jackson and B & W representatives, together with representatives of the trucking company.

After this inspection, it was decided to return this pump case to the Byron-l Jcsckson Company factor / in Vernon, California, for detailed inspection and re-l vork. It was shipped from the site on July 17, 1972.

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Apparent Dacare The pump case has minor scratches on the exterior surface. The discharge nozzle veld preparation is scratched and gouged and the cover plate flange f.

machined surface has some light scratches.

Shop Inspection and Repair  ;

Detail shop inspection procedures and repair procedures are being prepared by Byron-Jackson for submittal to B & W, Toledo Edison, and Bechtel for review and approval. It is anticipated from preliminary examination that the casing i

vill be found to be in sound condition. As a minimum, the entire casing vill 1

+ be given a dye-penetrant examination. The small scratches vill be ground i smooth, the discharge nozzle veld preparation vill be built up with veld deposit i

and re-machined. The cover plate flange surface vill be checked for dimensional i tolerance and scratches removed by a light machining if determined to be neces-sary.

Summary i

This shipping damage detailed inspection vill be done in the manufacturer's shop in accordance with detailed, approved procedures. The repair work necessary

vill also be accomplished in the manufacturer's shop in accordance with detailed, j

} approved procedures. This piece of equipment has no existing critical delivery 1

time requirement at the site calling for accelerated inspection and repair.

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i d i L. E. Roe l s Toledo Edison 1 I July 26, 1972 l d I i

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