ML20204J994

Rev 2 to Emergency Operating Procedure FR-H.5, Response to Steam Generator Low Level

ML20204J994
Person / Time
Site:	Millstone, Haddam Neck, 05000000
Issue date:	06/03/1988
From:	CONNECTICUT YANKEE ATOMIC POWER CO.
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ML20204H467	List: A07413, Forwards Specific Emergency Operating Procedures for Use During Incident Response Ctr Activation ML20204H704 ML20204H734 ML20204H868 ML20204H928 ML20204H963 ML20204J027 ML20204J039 ML20204J092 ML20204J109 ML20204J115 ML20204J120 ML20204J128 ML20204J133 ML20204J139 ML20204J147 ML20204J497 ML20204J543 ML20204J565 ML20204J627 ML20204J633 ML20204J638 ML20204J642 ML20204J659 ML20204J669 ML20204J685 ML20204J707 ML20204J733 ML20204J739 ML20204J746 ML20204J767 ML20204J781 ML20204J786 ML20204J814 ML20204J824 ML20204J849 ML20204J853 ML20204J865 ML20204J878 ML20204J902 ML20204J914 ML20204J920 ML20204J939 ML20204J947 ML20204J954 ML20204J958 ML20204J965 ML20204J975 ML20204J982 ML20204J994 ... further results
References
FR-H.5, NUDOCS 8810250316
Download: ML20204J994 (3)

Text

JUN 3 1988 NUMBER ii LE REV. ISSUE /DATE FR.H.5 RESPONSE TO STEAM GENERATOR Rev. 2 LOW LEVEL i

A.

PURPOSE This procedure provides actions to respond to a steam generator low level condition.

B.

SYMPTOMS OR ENTRY CONDITIONS nis procedure is entered from F-0.3, HEAT SINK Critical Safety Function Status Tree on a YELLOW condition.

Page 1 of 3 8010250316 001007 DR ADOCK 0500 3

JUN

" 19 8 NUMBER Tm.E v, ISSU, iT1i I

FR.H.5 RE i IEl 4 Rev.2 LG + LJ a.

STEP ACTlON/EY RESPONSE NO's ": LINER vi NOTE THROUGHO:

H VFEC? *D' dEFC% TO ANY SG H il 'c !.'tS THAN 63 %

' ' ' " ~

i (67 % FO s

..o.

g CAUTION:

STEAM RELEASE.

ECTE S "t! SHOULD BE MINIMlZED.

L J

1 IDENTIFY AFFECT 8D SG(s):

a. Check wide range SG levels-

a. REWRNIQ procedure and step ANY LESS TliAN 63 %

in efrect.

(67 % FOR ADVERSE CONTAINMENT) 2 LOCALLY CLOSE BLOWDOWN ISOLATION VALVE (s) FRO!!

AFFECTED SG(s) r 7

CAUTION:

AFW FLOW SHOUlD NOT BE ESTABUSHED TO ANY FAULTED SG(s) THAT HAS BEEN ISCLATED UNLESS NEEDED FOR RCS COOLDOWN.

L J

3 CHECK SECONDARY INTEGRITY:

a. All SG pressures.

a. E any SG pressure is decreasing in STABLE.QB INCREASING an uncontrolled manner Ab'D the SG is b'QIisolated,

'IllEN QQIQ E 2, FAULTED SG ISOLATION, Step 1.

b. All.IG pressures.

b. E any SG is completely depressurized GREATER THAN 100 PSIG AND the SG is NQIisolated,

'DJEN QQ IQ E 2, FAULTED SG ISOLATION, Step 1.

t Page 2 of 3

JUN 3 1988 lNJ REV. lSSUE/DATE NUhGER FRcH05 RESPONSE TO STEAM GENERATOR Rev.2 LOW LEVEL I

STEP ACTION /EXPECIED RESPONSE RESPONSE NOT OBTAINED 4

CHECK AUX FEEDWAHR FLOW E AFFECTED SG(s) WIDE RANGE TO AFFECTED SO(s)

LEVEL IS GREATER THAN 14 %

GREATER DIAN 25 GPM (18 % FOR ADVERSE CONTAINMENT),

IHEN ESTABLISH AUX FEEDWA'ER FLOW AS NECESSARY TO REFILL AFFECTED SG(s).

E AFFECTED SG(s) WIDE RANGE LEVEL IS LESS THAN 14 %

(18 % FOR ADVERSE CONTAINMENT),

HIEN ESTABLISH AUX FEEDWATER FLOW TO AFFECED SG(s) AT A RA'IE HQITO EXCEED 100 GPM PER SG.

5 CONTINUE FILLING AFFECED SG(s) UNTIL WIDE RANGE LEVEL IS GREATER HIAN 63 %

(67 % FOR ADVERSE CONTAINMENT) 6 RERJRNIQ PROCEDURE AND STEP IN EFFECT END 7

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