ML19262A388

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Responds to 750515 Request for Info Re Possibility of Water Hammer Occurrence in TMI-1 Feed Sys Piping.Water Hammers Cannot Occur at TMI-1 W/Design & Procedures Utilized. Consultant Rept Submittal Delayed Until 750910
ML19262A388
Person / Time
Site: Crane 
Issue date: 09/03/1975
From: Arnold R
METROPOLITAN EDISON CO.
To:
Office of Nuclear Reactor Regulation
References
GQL-1467, NUDOCS 7910260713
Download: ML19262A388 (2)


Text

NRC DisT hlBUTION_ FOR PART 50 DOCKET..m. ERI AL (TEMPORARY FORM)

CONTROL NO: 9426 FILE:

FROMMetroplican Edison Co.

DATE OF DOC D ATE R EC'D LTR TWX RPT OTHER Reading,Pa R.C. Arnold 9-3-75 9-5-75 m

TO:

ORIG CC OTHER SENT URC POR vvv NRC 1-signed SENT LOCAL PDR m CLASS UNCLASS PROP 'NFO INPUT NO CYS REC'D DOCKET NO:

50-289 xm DESCRIPTION:

ENCLOSURES:

Ltr re our 5-15-75 and their 5-31-75 and 6-13-75 ltrs advising that the info y_

requested concertiing the possibility

.c of " water hacuner " occurrence in the TMI-l feed systeci has been compiled..... advising that the info will be delayed until 9-10-75 f.

PLANT NAME:

Three Mile TeinM d1 FOR ACTION /INFORMATION 9-6-75 JGB BUTLER (L)

SCHWENCER (L) ZIEMANN (L)

REG AN (E)

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W/ Copies W/ Copies W/ Copies W/ Copics W/ f, COPIES CLARK (L)

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,3,,. n nm METROPOLITAN EDISON COMPANY eO:? 0F:!cE sox 542 CEAO NG PE*iNSYLV ANI A :0600 TELEPwCM 215 - 9:3-:C31 Septe=ber 3, 1975 GCl. 12.67 Director Division of Reactor Licensing U. S. :Tuclear Regulatory Cen=issicn

" ' ~

Washington, D.C.

20555

Dear Sir:

. ~/)

/

Three Mile Island Nuclear Station Unit 1 (TMI-1)

'O Operating License :To. DPR-50 Docket No. 50-289 In response to your letter of May 15, 1975 and cur letters of M.v 31, 1975 and June 13, 1975 please be advised that the information that you requested regarding the possibility of " vater ha==er" cecurrence in the TMI-l feed system piping has been compiled. Hevever, our censultant did not provide us with a ec=pleted ccpy of the report in sufficient time for our review prior to submittal, consequently a ec=plete submittal vill be delayed until Septe=ber 10, 1975 Please note that it has been determined that the subject water ha==ers can not occur with the piping laycut, piping design and procedures utilized at T'4I-1.

Should you have any questiens regarding the above or regarding cur September 10, 1975 sub=ittal please contact me.

Sincerely, O

i I /

s R. C./ Arnold Vice President RCA:C'4S :tas 4

File:

20.1.1 / 7.7.h.l.1 1485 275

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