ML20155H562

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Rev 1 to Procedure E.02, Vital Sys Status Verification
ML20155H562
Person / Time
Site: Rancho Seco, 05000000
Issue date: 07/12/1985
From:
SACRAMENTO MUNICIPAL UTILITY DISTRICT
To:
Shared Package
ML20155H523 List:
References
RTR-NUREG-1195 E.02, E.2, NUDOCS 8605160280
Download: ML20155H562 (10)
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EFFECTIVE DATE

$'- 07-12-85 Rev. 1 i

WP0002F

, D-0058P l .

E.02 VITAL SYSTEM STATUS VERIFICATION c3 Verification Column Action Column, VERIFY THE FOLLOWING: IF VERIFICATION CANNOT BE MADE. PERFORM THE FOLLOWING:

1.0 ALL SAFETY AND . Borate to a 1% shutdown margin.

CONTROL RODS AT '

IN LIMIT

/

t' 2.0 REACTOR POWER a. Push Rx Trip button on H1RC.

j DECREASING ON b. At Panel H2ES deenergize bus 3B * ,

INTERMEDIATE " (52.-3B05) and 3C2 (52-3C23) at the ,

RANGE same time. T[EE af ter 10 sec delay, reenergize bus 3B and 3C2.

c. Start HPI Pump taking suction from

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BNST; stop makeup pump. .

d. Maximize letdown flow to flash tank.
e. Manually open CRD breakers in East 480V switchgear room.

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i 8605160280 860306 2 PDR ADOCK 0500 6 Rev. 1 E.02-1

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. E.02 A

VITAL SYSTE STATUS VERIFICATION b ,

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Verification Column ' Action Column a s

VERIFY THE FOLLOWING: IF VERIFICATION CANNOT BE MADE. PERFORM

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THE FOLLOWING:  !

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} 3.0 AT LEAST.ONE RCP a. Verify Natural Circulation RUNNING 1. OTSG T,,g approximately the same as T,.

. 2. Lovering OTSG pressure causes a corresponding decrease in T, and T #i""***** ~

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3. Incore temp within 10*F of T
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b. Verify AFW flow. Rule 4 ,,

4.0 MAIN FEEDWATER a. Take manual control and shut main ,

. FLOW AND feedwater control valve.

FEEDPUMR SPEED b. Take manual control of startup i RUNNING BACK feedwater control. valve and attempt to control feedwater flow.

c. At 82.5% on OP Range, run feedpumps j hack to minimum speed and ensure Main J

'i Block Valves are closed.

l .d. At 90% on OP Range, trip one Main Feed j Pump.

1 .

1 1 5.0 BOTH OTSG Trip both runnin'g MFW pumps 8HD. verify 1

LEVEL < 95%

i AFW Starts.

l ON OP RANGE AND Verify AFW valves shut to the affected ,

DECREASING . OTSG(s) until level returns to normal.

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E.02 -

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VITAL SYSTEM STATUS VERIFICATION . -

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Verification Column Action Column =

VERIFY'THE FOLLOWING: IF VERIFICATION CANNOT BE MADE. PERf_QRH THE FOLLOWING: l

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6.0 ALL MAIN. TURBINE Push Turbine Trip and Generator Trip button STOP VALVES SRUT on HISS. If,the turbine does not trip, *

, a. Run valve position limiter to zero and trip turbine from the front standard.

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b. Trip EH oil pumps.

[ 7.0 OCBs AND GENERA- (QQ H9I open breakers if turbine is not 1- TOR EXCITER tripped.) Verify Turbine tripped 3232[

BREAKER TRIPPED push Generator Trip button. IE: breakers do not open, manually open the*generatoc OCBs &EQ generator exciter breaker.

8.0 SITE LOADS a. Verify auto start.of:the diesel'

, . TRANSFERRED TO- generators &HR loading of-the 4A and 3

STARTUP TRANS- 4B buses.

j FORMER WITH 4A AND 4B BUSES b. Verify auto start of AFW &MQ raise SG

] ENERGIZED level to 50% on the OP Range, with'AFW I

properly throttled. (See Specific 1 q Rule 3.) ,

c. Ensure Seal Supply Isolation Valve.

, SFV-23616 is closed. Restart an HPI *

, 3 . or Makeup Pump. Recover RCP Seal

<? .. Injection per OP A.2, Section 7.0.

Rev. 1 E.02-3

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. E.02 -

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VITAL SYSTEM STATUS VERIFICATION .

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h Verification Column Action Column . .-

VERIFY THE FOLLOWING: IF VERIFICATION CANNOT BE MADE. PERPORN THE FOLLOWING: *

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8.0 (Continued)_ d. Verify SAS and IAS in service, if not, start diesel air compressor and refer l

, to C.23, Loss of Plant Air System as i

, necessary.

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] e. Verify Nuclear Service Raw Water pumps j

i start.

Verify OTSG pressure control with ADVs.

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f.

9.0 LETDOWN FLOW AT Close letdown bypass and orifice block 40 GPN '

valves (HV-22010 and HV-220ll) at Panel

, H1RC.

i 10.0 PRESSURIZER. Start HPI Pump lined up to BWST and open i LEVEL Loop A HPI injection valve (SFV-23811).

, 100 INCHES i

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4 11.0 RCS PRESSURE . a) Verify HPI, LPI, and RB isolation and

] GREATER THAN cooling channels (lA and 18 &lE 2A and j . 1600 PSIG AHD, 2B) have actuated by noting the colors

! RB PRESSURE of components' indicating lamps on the LESS THAN H2SF panel.  !

4 PSIG -

, , , b) Close the EMOV block valve (HV-21505).

. . Rev. 0 7

Rev. 1 y .

E.02-4 Y l i

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E.02 VITAL SYSTEM STATUS VERIFICATION i

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Verification Column Action Column '

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VERIFY THE FOLLOWING: IF VERIFICATION CANNOT BE MADE. PERFORM THE FOLLOWING:

11.0 (Continued) c) Verify AFW starts M maintain appropriate OTSG level. (See' Specific Rules 3 and 4.)

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d) Close AFW Bypass Valves SFV-20577 and SFV-20578. Verify AFW flow on

. FI-31802 and FI-31902 on H2PS. R AFW

$ . flow is not observed, control flow by

[ . throttling AFW. Bypass Valves SFV-20577 s

and SFV-20578. E AFW control valves FV-20527 and FV-20528 operate, M q close AFW bypass valves SFV-20577 and 20578 83, control AFW flow with the (l

rt AFW control valves. OTHERWISE throttle l1 , AFW bypass valves to. control AFW flow. -

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e) Verify RCP seal injection flow at ElRC.

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} 12.0 RB PRESSURE a) Verify that RB spray pumps M , spray

] LESS THAN 30 PSIG '

valves-(Channels 3A'and 3B & B,4A and, d

4B) have actuated.

b) Verify'RB spray flow subsequent to the li . 5 min time delay.

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E.02-5 i

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l E.02 l i

VITAL SYSTkN STATUS VERIFICATION '

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Action Column Verification Column  ;

., VERIFY THE FOLLOWING: IF VERIFICATION CANNOT BE MADE.' PERFORM THE FOLLOWING: l l

13.0 OTSG "A" AND Verify: l "B" PRESSURE GREATER THAN "A" SIDE LOW PRESSURE 435 PSIG  !

j .a) Verify MFW Block Valve ,(FV-20529) l l closed. I b) Stop any AFW flow to "A" OT3G. l c) Verif.y no MFW flow at H1RI.

f "B" SIDE LOW PRESSURE -

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l' a) Verify MFW Block Valve (FV-20530) i c1'osed: -

b) Stop any AFW flow to "B" OTSG. l 3 c) Verify no MFW flow at H1RI.

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1* 14.0 ALL NNI Refer to C Procedures for Loss of NNI j POWER ON power. . _.

r 15.0 ADEQUATE Go to Loss of Subcooling E.03.

l. SUBCOOLING MARGIN' EXISTS .
REFER GUIDELINE 1 1

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?b . l Rev. 1 '" " 1 E.02-6 l i

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. E.02 lu ,

VITAL SYSTEM STATUS VERIFICATION

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Verification Column- Action Column

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, VERIFY THE FOLLOWING: IF VERIFICATION CANNOT BE MADE. PERFORM l

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THE FOLLOWING:

E 16.0 ADEQUATE PRIMARY Go to Loss of Heat Transf*er E.04.

'TO SECONDARY

) HEAT TRANSFER EXISTS REFER GUIDELINE 2 I

l 17.0 PRIMARY TO Go to Excessive Heat Transfer E.05. .

SECONDARY HEAT TRANSFER IS l

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NOT EXCESSIVE .

l REFER GUIDELINE 3 '

18.0 NO~ INDICATION Go to SGTR E.06.

j OF A SGTR ON MAIN STEAM LINE OR AIR

EJECTOR OFF GAS OR GLAND STEAM i RADIATION j MONITOR 19.0 THE PLANT IS STABLE IN A, SAFE SUBCOOLED CONDITION WITH $ ROPER
PRIMARY TO SECONDARY HEAT TRANSFER AND NO MAJOR PRIMARY

) BOUNDARY FAILURES. FURTHER ACTION AT THIS POINT WILL BE AT THE' DISCRETION OF STATION MANAG$, MENT.

Rev. 1 E.02-7 i -

E.02 4

SUBC00 LING MARGIN J . - -

GUIDELINE No. 1 -

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1. Adequate Subcooling Margin exists when the SPDS T #

l hot Incore Thermocouple data point is above and to the left of the i variable subcoo' ling margin curve.

OR v

a. If both SPDS displays are not_available and at least one RCP is_. sunning: Subcooling monitors indicate gre'ater than

., 50* subcooling.

b. If both SPDS displays are not available and no RCPs are running: RCS pressure and incore thermocouple temperature (average of five highest) plot >50* subcooling or above and to the left,of th'e variable subcooling margin curve. -

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Rev. 1 .

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4. E.02 I INADEQUATE PRIMARY TO SECONDARY HEAT TRANSFER GUIDELINE No. 2 l

. 2. Inadequate Primary to Secondary Heat Transfer

a. Primary Method j SPDS: RCS temperature is increasing, not stable f inside the Post Trip Nindow t and t

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T, and OTSG T,,g are not coupled.

T, and CTSG T,,g should be k>

approximately equal and tracking together j . (coupled).

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b. Secondary Method (both SPDS displays are not available) i -

Use plant instrumentation to determine the following: .

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j-RCS temperature increasing '

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! T, and oTSG T,,, are not coupled.  !

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3 Rev. 1 E.02-9

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E.02 1

-EXCESSIVE PRIMARY TO SECONDARY HEAT TRANSFER f GUIDELINE No. 3 ;F

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3. Excessive Primary to Secondary Heat Transfer
a. Primary Method SPDS': , RCS temperature and pressure decreasing,
not stable in the Post Trip Window c I j and
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j. OTSG pressure decreasing (<960 psig) or

{ OTSG T,,g decreasing (<540*F).

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f b. Secondary Method (both SPDS displays are not available) i i Use' plant indication to determine the following:

'RCS temperature and pressure decreasing

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OTSG pressure decreasing (<960 psig). '

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D Rev. 1 .

E.02-10 J .

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