ML20052E247

Provides Status of Fire Protection Mods,Including Deluge Sys for Standby Gas Treatment Sys,Penetration Seals,Cable Spreading Room Carbon Dioxide Sys Diesel Generator Room & Control Room

ML20052E247
Person / Time
Site:	Pilgrim
Issue date:	04/26/1982
From:	Morisi A BOSTON EDISON CO.
To:	Vassallo D Office of Nuclear Reactor Regulation
References
82-112, NUDOCS 8205100233
Download: ML20052E247 (3)

Text

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lb. Domenic S. Vassallo, Chief therating Reactors Branch 82 i

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Division of Licensing l.

Office of Nuclear Reactor Regulation T+-

5.5. Nuclear Regulatory Come ssion f'

Washington, D. C.'

20555 go License No. OPR-35 Docket No. 50-293

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1 Cogletion Dates of Fire Protection flodifications a

References:

(a) IWit Letter dated 2/24/82, Thorus T. Martin (s-to W. D. Harrington (b) IWIC Safety Evaluation Reoort Dated 12/15/M.

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. T. A. Ippolito to A. V. Morisi I

(c) MCo Letter *82-;1. Dated 1/18/82. A. V.

Morisi t'o T. A. Ipoolito (d) SER Dated Deceder 1978 a

(e) NCo Letter 978-135 Dated 2/27/78. G. C.

J Andegnini to D. L. Ziemann ECo Letter #W-38 Dated 2/29/80. G. C.

(f) Andegnini to T. A. Ippolito l

Seer Ste:'

fj'1histletterprovi yes with a sta tus of the foll owin g fi re pro tec t i on rod i f i c a t ' on s et Pilgris Nuclear Station:

1., Fire Protection Deluse System for the $taney Eas Treatment Systr e

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-la Besten Edison Caugssy's (SECo.'s) January 13, 1982 l ette r f rom A. v. $'a ri s t to E's E. J. Brunner, SEco requested an entension for completion of the ~od-

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ificattens to the Stan6y Gas Treatment Fire Protection Deluge Syster.

This L

entenstee sees ge: 3ted via the IWtC's letter. Reference (a) for cowletior it.

l April 19N. SEtx v.es completed the modifications testing, operator troninc and applicable oev edure changes by the Ancil 1982 estension date orante' 4

i by the IRC.

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2.

Pgaggregion Jgals. Itas J.119 of SER Dated DeLeaber 21, 1978 t

la Reference'(b) the E stated that Boston Edison's prooosed a mdtnr

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i tretion seets is response to the requirements of Itee 3.1.1'.i of tre 9

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w na taher 31. 1978 SER umuld meet the requirement < d e

Appendix R to N C N N.

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i Enemose coneemssv nic S. Vassalle, Chief

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April 26, 1982

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All penetration seals that were recomended for upgrading have beer co ;'ete l

as of March 19, 1982.

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Cable Spf3.ading Appa 92 System In Reference (c) *5pecial Reprt - CSR CO2 System Corrective Actions",

.. SECe previded the NRC with its engineering evaluations of the CO2 Dumo

. A. 5. - -. Test that was conducted for the CSR on October 26, 1981. At the time of K {.#,

the Reference (c);"$pecial Report", BECo could not recor..end an alternate I

' suppression system to replace the CO2 system because the enaineering evalu-yJ.l.E ' ' ' etions accessary'tB choose an alternate system were in progress, fif (. ' -Sosten.fdison has completed these essluations and has chosen a total ggf floddine Halon121-tem for the CSR.

The schedule for comoletion gQ tof the installation' >

t' this system will be addressed in the inteorated te sur etter to D. G. Eise+ut dated Aroll 16,14R2.

The P

h".T, Jtes dis 4ussed,3

! e existingt

$Wtten has been made inocerable and a continuous fire watch is jg:,yunintal

- f>the requirements of Section 3.12.D of Technical Soecification.

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,.d4.;yesefGeneraterteam

Isl RefItrence.N) $ pecific Plant Arees". Its 5.19.6 "$1odifications" bales

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,r" protect the generator, controls and air intakes from 7

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rge. This mo:ification is not applicable to W5 for X ' M flBI i

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1hF tem in each of the Diesel Generator Rooms is a preaction etygg tea.

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@fesel Gemeester %eas "A" and "S" are' served by separate f;,

6tten of 'these proposed systers could affect the Se;peute system; however, the redundant units and 18 h J P.

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'esW3engted tysbarriers. This separation will prevent

'hs t. < Caf asCthe deter suppression system in either area

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t. @ y u 199 both units.

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,,,,,M'h Mtect' ten Review" letter of 197,8, SECo comitted to 4

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' deleg,tiset:la' sis-(6) control room panels. idhen the SER, 4.dl M ies 3 sues WC stated in Section'5.15.6 that fire detection i

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gnBI tSEE 4e ' installed in seven control room panels. Th e k l. f..

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,Sig (8) panels as originall stated in' Reference (e)

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es'stSted in the SER, Reference (y).

d This information has g9 est

glM, prIDetous;ly' hep tt 18tR in 8ECo's letter of February 29, 19 80 Reference

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emoven soieon cessem l

Mr. Comenic 8. Vassallo Chief i

April 26,1982 h9e 3 We trust the above information is rTsponsive to your needs; however, snould you require any additional information olease do not hesitate to contact us.

I Very truly yours,

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