ML20148F407

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Ack Receipt of 720905 Inservice Insp Rept.Addl Info Required Re 2-inch Charging Line Weld Code Rejectable Area Corrections & Plans for Pressurizer Cladding Insp & Monitoring.Response Requested within 30 Days
ML20148F407
Person / Time
Site: Yankee Rowe
Issue date: 11/17/1972
From: Skovholt D
US ATOMIC ENERGY COMMISSION (AEC)
To: Heider L
YANKEE ATOMIC ELECTRIC CO.
References
NUDOCS 8011050619
Download: ML20148F407 (2)


Text

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m NOV 171972 M

n k 4 Cocket No. 50-29 I

Yankee Atomic Electric Conpany h

ATIN: Iouis H. Heidar i

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Manapr of Operations 20 Turnpike Ibad J}

Westboro, Massachusetts 01581 u

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' Gentlenen:

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By letter dated September 5,1972, you submitted a mport entitled t:

"thrch 1972 Inservice Examination of Yankee-Ibwe Atomic Power Plant".

'Ihis mport documents the msults of the inservice inspection pro-g fram carried out by the Southwest Ibsearch Institute during the

- IV spring 1972 refueling outage.

We have reviewed your report and have ccnclutbd that the tests and e

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examinations performed in March 1972 comply with Secticn XI of the q.f N

l ASE Boiler and Pressure Vessel Code, with certain exceptions allow-able for Yankee where access to inspection areas is not practical.

Q5 We have also conclutd that you have carried out the inservice inspec,

%k tion program as described in your letter dated August 30, 1971, that MN this program is acceptable and that it provides for inspections to l$'

Policy State:mnt, " Criteria for Fmergency' Core Cooling Systets for

@jF be made on an accelerated schedule jn co n11ance with the Interim y?N Light Water Power Peactorsj dated June 29, 1971.

l Our review has identified the following two items on which we requiru Q

additional information:

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Yankee's final disposition to cormet the code rejectable d

l area in the 2-inch charging, line weld (CH-5) described on pa:'n 18 in your mport, and 4

kd 2.

During the previous inservice inspection in Novenber W

1970, cladding cracks in th3 pressurizer were vismily QF inspected by neans of a closed circuit television Qi

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s THIS DOCUMEf1T COI4TAINS 4

POOR QUALITY PAGES

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NOV 171972 4A

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o g system and by a limited nanual ultrascnic examination.

Your mport does not indicate that a similar inspec-tion was ma&r in March 1972, nor what specific plars Yankee has to monitor potential 1crig-terin. changes in

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the condition of the pmssurizer cladding.

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.Please provide your msponse within thirty days finn the date of this letter.

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Sincemly,

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Original signed by l

Ilobert J.Schemel i

Donald J. Skovbolt Assistant Director for Operating Beactors Dimetomte of Licensing

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