ML17265A549

to EOP FR-H.5, Response to SG Low Level.

ML17265A549
Person / Time
Site:	Ginna
Issue date:	02/12/1999
From:	Sidelinger R ROCHESTER GAS & ELECTRIC CORP.
To:
Shared Package
ML17265A547	List: ML17265A546 ML17265A548 ML17265A549 ML17309A649
References
FR-H.5, NUDOCS 9902250304
Download: ML17265A549 (6)

Text

EOP: FR-H.5 TITLE: RESPONSE TO STEAM GENERATOR LOW LEVEL REV: 5 PAGE 1 of 5 ROCHESTER GAS AND ELECTRIC CORPORATION GINNA STATION CONTROLLED COPY NUMBER RESPONSI MANAGER EFFECTIVE DATE CATEGORY 1.0 REVIEWED BY: 9902250304 9'P02i2 PDR ADOCK 05000244'PDR EOP: FR-H.5 TITLE: RESPONSE TO STEAM GENERATOR LOW LEVEL REV: 5 PAGE 2 of 5 A.PURPOSE-This procedure provides actions to respond to a S/G low level condition.

B.ENTRY CONDITIONS/SYMPTOMS l.ENTRY CONDITIONS

-This procedure is entered from: a.F-0.3, HEAT SINK Critical Safety.Function Status Tree, on a YELLOW condition.

EOP: FR-H.5 TITLE:~RESPONSE TO STEAM GENERATOR LOW LEVEL REV: 5 PAGE 3 of 5 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED~I~~~~~~0~~1 0 1 0 1~~~~~1~~1~P 0 0 1 I I~I~~4 0~0~CAUTION STEAM RELEASES FROM AFFECTED S/G(S)SHOULD BE MINIMIZED.

~~~~~~~0 1~~4 0 P 4 0 0~~0~0~4 1 1 1~0 i~~1 1 1~~1~I NOTE: o Throughout this procedure"affected" refers to any S/G in which narrow range level is less than 5'/[25/i adverse CNMT].o Adverse CNMT values should be used whenever CNMT pressure is greater than 4 psig or CNMT radiation is greater than 10+05 R/hr.1 Identify Affected S/G(s): a.Narrow range level-LESS THAN 5'/i[25'/o adverse CNMT]a.Return to procedure and step in effect.2 Verify S/G Blowdown Isolation Valves From Affected S/G(s)CLOSED-~AOV-5738 for S/G A~AOV-5737 for S/G B Place S/G blowdown valves master switch to CLOSE.IF valves can~NO be closed manually, THEN dispatch AO to locally isolate blowdown.o S/G A, close V-5701 o S/G B, close V-5702 EOP: FR-H.$TITLE: RESPONSE TO STEAM GENERATOR LOW LEVEL REV 5 PAGE 4 of 5 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED~~~~~~0~0~1~~~1*0~~0 4 1 i 4 0~*I i 0~0~~~0 0~f~CAUTION AFW FLOW SHOULD NOT ESTABLISHED TO ANY FAULTED S/G THAT HAS BEEN ISOLATED UNLESS NEEDED FOR RCS COOLDOWN.~~~0 0 0 4~1~~I~0~0~1~~~~1~1~~~~~~I I~1~~~~~~3 Check If Affected S/G(s)Secondary Side Is Intact: o Pressure in affected S/G(s)STABLE OR INCREASING o Pressure in affected S/G(s)GREATER THAN 110 PSIG IF affected S/G(s)previously identified as faulted.THEN return to procedure and step in effect.IF affected S/G pressure decreasing in an uncontrolled manner or completely depressurized and has not been previously isolated, THEN go to E-2, FAULTED STEAM GENERATOR ISOLATION, Step 1.4 Check AFW Flow To Affected S/G(s)-GREATER THAN 50 GPM IF affected S/G(s)wide range level greater than 35 inches[100 inches adverse CNMT], THEN establish AFW flow as necessary to refill affected S/G(s).IF affected S/G(s)wide range level less than 35 inches[100 inches adverse CNMT].THEN do not establish AFW flow to affected S/G(s).Consult the plant engineering staff to evaluate refilling the affected S/G(s)as part of long-term plant recovery and go to 6.

EOP: FR-H.S\TITLE:~'ESPONSE TO STEAM GENERATOR LOW LEVEL REV: 5 PAGE 5.of 5 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 5 Continue Filling Affected S/G(s)Until Narrow Range Level Greater Than 5%[25%adverse CNMT].6 Return To Procedure And Step In Effect-END-