ML20010E279

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Discusses Results of Operational Testing of Automatic Halon 1301 Fire Suppression Sys.Requests Extension of Commitment Dates for Sys in Cable Spreading & Switchgear Rooms Until 811001 for Unit 1 & 811015 for Unit 2
ML20010E279
Person / Time
Site: Calvert Cliffs  Constellation icon.png
Issue date: 08/27/1981
From: Lundvall A
BALTIMORE GAS & ELECTRIC CO.
To: Eisenhut D
Office of Nuclear Reactor Regulation
References
NUDOCS 8109030269
Download: ML20010E279 (2)


Text

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B A LT I M O R E GAS AND ELECTRIC CHARLES CENTER P O. BOX 1475 BALTIMORE, MARYLAND 21203 i,w,.. l,,, +v 6 "(

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^ner ttionnl "entinc of the Auto-ttic F ilor 1"1

" ire "unrronnien Tvnte-r -n "og, o_3 qon_700~ __

"nar "r, rinonm+:

"le ine re'er to nv 1 at ter of Jul 6,

' o"1 whore the statun o' the ' ire nunnrenciar svnte-n installed in tho FnFle "preniine Doo n and "vitchmenr t^cnn van rerorted.

~'h e s v n t o n in the "ahle frrondinr " cons are 'unctional but wo continue to hnve li f #i c 11 tv in noctine the nnocifientionn 'cr enn concen-trations at nela tei tant locationn for the sneci fiol "nonk" rerlo !.

o d i i c atio n s recor.endad hv the svnter's vonior have t een narle anl two nilitional te.;tn enr"bietad ( 'ulv 6, In I an-! /suc" ant 1", 10'1'.

Fach tort denonctrated innroved synten rerfor-nnce nfter o tch no lific4 tion, howevor,

the renultn vera not able to noot our ex<tet ine nreci fientionn "or nynter rerfo ince.

"ur next tent in nehntled 'or "enterher 10, l o C'.

Plonne note th tt ill "able "rrendinc 7'ocr tentinc han bean coniunted on !' nit 1.

' vill have the nrtre roli 4'i cat i onn Uron nuccennfu' tentinc in " nit 1, I'n i t installei anl a ccenn'ul tontin on the 'i nt it temnt ir axnectoi.

'a have mot with no ovbnt hettor nucconn in the 'aitchrenr roo n.

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%cr unn ':ncuceern'ul :Ne to on onlir ent nl # :nct ion.

"ron co pletion o' ocuir-ent rennirn, "I "vitchrear noc should tant nucconn'ull, an it

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in ni-ilar to th e "1 '. 9 ' "vitchrent "non.

" nit ' fvitchroar "o<mn vill Fa torted upon nuccenn'ul t' nit I tontine.

Fxcept durine tectinr, -oiification, and rennir, thene total

' ire ^unnrennion vntenn are 'unctiornl as to ' ire dotection roer "loodinc and nunnrennion.

'ho only limitation in thoir innbility to antinfv our concontrttion nneci'icitiorn 'nr an extonlei tiro roric i.

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Auruct 27, lor 1 Pased on the above infornation, we request an extension of the co~nitr:ent dates as follovs:

1.

FCR 70-102h - Halon Gunpression Pystens in the Cable Spreadinc Foons, I' nit 1, until October 1,1031; tinit P, until October 15, 1991.

P.

FCR 80-1027 - Halon Suppression Systen in the Switchgear Foons, Unit 1, until October 1, loS1; tinit P, until October 15,1o81.

Very truly v

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J. A. Biddison, Esquire G. P. Trowbridce, Esquire

?'essrs. D. Jaf fe - ?PC R. E. Architzel, Resident Insnector, CCNPP j

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