ML20204J994

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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.
To:
Shared Package
ML20204H467 List: ... further results
References
FR-H.5, NUDOCS 8810250316
Download: ML20204J994 (3)


Text

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_, 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 3 DR ADOCK 0500

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 vi RESPONSE NO's ": LINER NOTE THROUGHO: H .

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

(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 NUhGER FRcH05 lNJRESPONSE TO STEAM GENERATOR REV. lSSUE/DATE 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

Page 3 of 3

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