ML19345E281

Public Version of Revised Abnormal Operating Procedure AP/1/A/5500/05, Inadequate Core Cooling.

ML19345E281
Person / Time
Site:	McGuire
Issue date:	12/03/1980
From:	DUKE POWER CO.
To:
Shared Package
ML19345E268	List: ML19345E267 ML19345E271 ML19345E272 ML19345E276 ML19345E279 ML19345E281 ML19345E282
References
AP-1-A-5500-05, AP-1-A-5500-5, NUDOCS 8012230546
Download: ML19345E281 (3)

Text

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s 1.1 ?*.uctua:ing :'C? Anps.

1.2 :*C Th (highes:) ta:pera:ure graatar :han ?::. liquid spa:a :e pera:ure.

1.3 "NCS Approaching Sa:ura:1:n Condi*:ica" alar .

1.4 'h *41de ?.ange >'00*? wi:h 3; no: ac:ua:ad nd CA 7'.ow ::: being supp'.iad

o intac: 3/G's.

1.5 leac:or 1 >50*?.

1.5  ? ira (3) *ncore Thar :: uple coup'.es ree:hin s >.'.2CC*? if OAC is availaa'a.

2.0  : mediata A::icn 2.1 Autenatic

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Inaccura:a ?rassurizer and 'i/G laval readings sy occur during 20:idan: ::ndi:i:ns involring braaks inside con: sin =en:. (This is caused be daprassurization-and/or raferenen lag hascup). ?.a'er :o McGuire Oa:s l 3cok, Table 2.5, f:r c:nnec: ices for ac: a1 *. ave:..

Use backup instruzan:2:icn (i.e.: CA 71:w, 3:' Fras-t ure, NC ? assura and *4ida ?.ange ~h,  !:) .

l 2.2.1 :f :ha 1420 :: or Turbine fails :s trip when required, pr:cacd :s A?!Jlho 3 5C0/ 3 ' i AGC<.;iu T qu.<.~.id .;.: .15: AnW. ;;1tii T*.:.;uimC

'.,'4Chcc.C Sct.:n c'. c;*.C and perf orm appli:able s:aps acacurren:

with subsequen: 2:aps in :his procedura.

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2.2.3 *nsura bo:h ?: ssu 1-a spray talves are :1: sad.

2.2.6 7er:.fy that hea: is bain; rencved fr.= :ne reac::: tia :he 3/3's by no:in; the folieving:

2.2.6.1 Autc=s:i: 3:ar.= demi. :: ::ndenser is ::::: ring; if not

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occurrins place 3:ea: 2ea:ier ?: essure Cen::clia: in nanc.2.

and nanually du p s:ea= or ria 3/C ?CF.V's.

2.2.6.2 NC ! ave is de:: casing.::vards prog:sn=ad Oc-1:cd tenpe:2:::e 4

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3.3 Announce :::urrenca :n paging sys: c..

4 3.4 1:far :: 'icGuire 04::. Icek. !1ble 1,10 (Saturati:n !enrert:ure vs. ? assure) anc de:ernine deg sc f subecoling.

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! sac - Highes: !!C !anparatura (!h, Tc :: Ther=o-couple ra2 ding) = *y subcooled (for given pressura) .

3.3 *i indicaciens of inadequata cors ::alin; ara presan:, tai:ia:a Saf.:y

~njec:i:n. Cpen a pras:urizar ?OK7 and :harge :h:: ugh :ha Open PCRV i

for heac re eval, r -

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AP/1/A/5500/05 - INADEQUATE CCRE COOLING NRC COMMENTS DUKE'S RESPONSE Old Step New Scap 1.6 1.6 - has if CAC is available 2.2.1, 2.2.2 2.2.1 - reflects new ATWS procedure, also clarifies utilization of procedures run concurrencly 2.2.3 2.2.2 - revised to include indicators 2.2.7.1 2.2.6.1 - verifies auto, if not occurring applicable manual actions 3.2 3.2 - replaces old step 3.6 & 3.7 3.6 - replaces old step

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