ML20002A505

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Responds to 750314 Request.Addl Requirements on Capability of Sys & Procedures Used Has Delayed Evaluation.Will Address Both Boron Precipitation & Branch Technical Position Eicsb 18 in LOCA Reanalysis.Reanalysis to Be Submitted by 750709
ML20002A505
Person / Time
Site: Yankee Rowe
Issue date: 05/22/1975
From: French J
YANKEE ATOMIC ELECTRIC CO.
To: Purple R
Office of Nuclear Reactor Regulation
References
WYR-75-55, NUDOCS 8011170412
Download: ML20002A505 (2)


Text

{{#Wiki_filter:I G k Telzphona 6f7 366-90ll Twx 710 3 90-C73 9 YANKEE ATOMIC ELECTRIC COMPANY "in 's-ss 20 Turnpike Road Westborough, Massachusetts 01581 .YAmxte v. May 22, 1975 D 's /\\ United States Nuclear Regulatory Commission ' '.si [( b Washington, D. C. 20555 D % pS fk ? ' C 8 yC) Attention: Office of uclear Reactor Regulation 7 Mr. Robert A. Purple, Chief O. V #, / Operating Reactors Branch No. 1 e,, / e

Reference:

1) License No. DPR-3 (Docket No. 50-29)

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2) Letter from R. A. Purple (NRC) to Yankee Atomic Electric Company, Attn:

G. C. Andognini, 3/14/75

3) Letter from J. L. French (YAEC) to R. A. Purple (NRC) on Boron Precipitation during Long Term i

Recirculation Following a LOCA, 4/15/75 4) Letter from R. A. Purple (NRC) to Yankee Atomic Electric Company, Attn: G. C. Andognini, on Branch Technic?! Position EICSB 18, 4/16/75

Subject:

Boron Precipitation During Long-Term Recirculation Following a LOCA and Branch Technical Position EICSB 18.

Dear Sir:

In response to your request to evaluate long term cooling procedures following a Loss of g lant Accident to prevent boron precipitation, it was indicated that an evaluation would g completed by May 30, 1975. However, additional requirerents on the capability of the system and procedurec used have made it impossible to meet this schedule. Consequently, it is our intent to address both Boron Precipitation and Branch Technical Position EICSB 18 in our upcoming LOCA re-analysis. This re-analysis is scheduled for submittal by July 9, 1975. Very truly yours, YANKEE ATOMIC ELECTRIC COMPANY knux4 r L. French / I v. Manager of Operations AEL/kg 60111 70 (S s

(TEMPOR AR Y EOi5M) ~ ^ CONTilOL NO: 5737 s FILE: FRO.'.': Yankee Atenic riectric co. DATE OF DOC DATE REC'D LTR TWX RPT OTHER ,,ertborcugh,,dass u.vrench 5-22-75 5-27-75 xxx i TQ: J ORIG CC OTHER I SENT AEC PDR xxxx 3-signed ~ s ~ SENT l.OCAL PDRmvx CLASS UNCLASS PROPINFO INPUT NO CYS REC'D DOCKET NO: ~

xxx 40 50-29 DESCRi? TION:

ENCLOSURES: Ltr ref cur 4-16-75 Itr advising their "intpnt te cddraran both Baron Trecipitation and Branch Technical 7:riti m EICS3 10 in their upcoming LOCA re-ar.c lys i s...... re-analysis is scheduled f or r.n-itesl by July 9, 1975...... PLANT NAME: Yankee Rowe FOR ACT!ON/INFORMATION 5-28-75 JGB BUTLER (L) SC W/ENCER (L) ZIEMANN (L) REG AN (E) W/ Copies w, Copies W/ Copies W/ Copics CLARK (L) STO Z (L) DICKER (E) LEAR (L) V!! Cop:es W/ Copies W/ Copies W/ Cocies i PARRM V A RS t2 i. i O (L) KN!GHTON 'E) SE7S '"/ C0it; " / Cup 6 V// Copies w/ copics KNIE L (L) URf LE (L) YOUNGB LOOD (E) LICE::sI::G F.loJECT MA':/,cta W/ Ccp,;es W(f.opies W/ Copies W/ Copies INTERNAL DISTRIBUTION ~m ' M.5Ad TECH REVIEr! DENTON _ LIC ASST. A/T IND

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