ML20148F407

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)

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m NOV 171972 M n

Cocket No. 50-29 k4 I

Yankee Atomic Electric Conpany

. h ATIN: Iouis H. Heidar '

1 i Manapr of Operations 4 20 Turnpike Ibad J Westboro, Massachusetts 01581 u }

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' Gentlenen: If e 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.

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We have reviewed your report and have ccnclutbd that the tests and e l examinations performed in March 1972 comply with Secticn XI of the l ASE Boiler and Pressure Vessel Code, with certain exceptions allow- q.f N

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$'

be made on an accelerated schedule jn co n11ance with the Interim Policy State:mnt, " Criteria for Fmergency' Core Cooling Systets for @jF Light Water Power Peactorsj dated June 29, 1971.

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Our review has identified the following two items on which we requiru Q additional information: y 1 T

1. 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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Yankee Atomic Electric conpany k.

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 $. .

i Yankee has to monitor potential 1crig-terin. changes in , g the condition of the pmssurizer cladding. '

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

y f this letter.

Sincemly, I. ,Q I Original signed by l Ilobert J.Schemel i

Donald J. Skovbolt Assistant Director for '>

Operating Beactors ,

Dimetomte of Licensing (

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