ML20237H899

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Rev 0 to Emergency Instruction ES-1.3, Transfer to Hot Leg Recirculation
ML20237H899
Person / Time
Site: Sequoyah  Tennessee Valley Authority icon.png
Issue date: 10/04/1984
From: Nobles L, Strickland G
TENNESSEE VALLEY AUTHORITY
To:
Shared Package
ML20237H133 List: ... further results
References
ES-1.3, NUDOCS 8708170403
Download: ML20237H899 (8)
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Text

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Sequoyah Nuclear' Plant DISTRIBUTION

, Cover Page.1 1C Plant Master File.

IU Plant. Supt (Mtn)

IC Technical Support Center.

C_ IU Engg Supv -

(4) SE Training Office IC. Unit 1 Control Room IC Unit 2 Control Room

IC SE Office IC Operations Supv (2) SE Training Office EMERGENCY INSTRUCTION IU Plant Supv (0&E) l 1U SE Training Office IU NSGPO III Class ES-1.3 1C Resident NRC Inspector, SNP, IU- Compliance Supv V 1C POTC Director TRANSFER TO IIOT LEG RECIRCULATION IC NUC PR Doc Ctrl, 1520 CST 2-IU Plant Manager, WBNP IU NEB, W10C174C-K j IC NSRS, 250 IIBB-K IU Regulatory Engr (Sullivan) j Prepared By: G./trickland A Revised By: N/A /7 Submitted By: /pz // f C Su rTrisor PORC Review: OCT 4 1984 Date '

Approved By: M Plant Manager Date Approved: OCT 0 41984 The current revision level of this instruction is: 0 .

l Reason for current revision (include all temporary change numbers) New instruction.

. Instruction written per commitment to NUREG 0737.

1 The last page of this instruction is number 6 .

8708170403 B70811 PDR ADOCK 05000327 P PDR W _ __-_ _ _ -______ -_____ .

Sequoyah Nuclear Plant EMERGENCY INSTRUCTION Cover Sheet Page 2 ES-1.3 History of Revisions Rev. Level Date Revised Pages Rev. Level Date Revised Pages .

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'M 4 -

. SQNP l ES-1. 3 Unit 1 or 2 I Page 1 of 4 )

Rev. O

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l TR ANSFER TO I!OT LEG RECIRCULATION l A. PURPOSE This guideline provides the necessary instructions for transferring ECCS to hot leg recirculation.

B. SYMPTOMS 15 hours1.736111e-4 days <br />0.00417 hours <br />2.480159e-5 weeks <br />5.7075e-6 months <br /> after switchover to containment sump C. TRANSITION FROM OTHER INSTRUCTfdNS E-1, Loss Of Reactor Or Secondary Coolant l.< "

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. Page 2 of 4 Rev. 0 TRANSFER TO HOT LEG RECIRCULATION ~

STE

_P ACTION / EXPECTED RESPONSE RESPONSE NOT OBTAINED-1 Align RHR Train A For HL Recire 2F RHR Train A can NOT Ee aligned for HL recire,

a. CLOSE RHR Train A cold THEN align Train B as ..

leg isolation FCV-63-93 follows:

b. Verify RHR Train B Close RIIR Train B discharge crosstie valve cold leg isolation CLOSED FCV-74-35 FCV-63-94
c. OPEN RHR Train A Verify RHR Train A discharge crosstie discharge crosstie valve FCV-74-33 , closed FCV-74-33
d. OPEN RHR HL injection Open RHR Train B FCV-63-172 discharge crosstie FCV-74-35
e. Verify RHR HL flow on

( .

f.

FI-63-173 Leave RHR Train B in cold leg recirc Open RHR HL injection FCV-63-172 Verify RHR llL flow on FI-63-173 Leave RHR Train A in cold leg recire l

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' SQNP ES-1.3 Unit 1 or 2 Page 3 of 4 Rev. O TRANSFER TO HOT LEG RECIRCULATION STEP ACTION / EXPECTED RESPONSE RESPONSE NOT OBTAINED '

2 Align SI Pumps For HL Recire

a. STOP SI Pump A-A .
b. CLOSE Train A crosstie FCV-63-152
c. Verify FCV-63-152 CLOSED, then OPEN Train A HL injection FCV-63-156
d. START SI Pump A-A and

verify Train A HL flow on FI-63-151

e. STOP SI Pump B-B
f. CLOSE Train B crosstie p . FCV-63-153
g. Verify FCV-63-153 CLOSED, then OPEN Train B HL injection FCV-63-157
h. START SI pump B-B  !

and verify Train B HL 1 flow on FI-63-20

i. CLOSE SI pump cold leg injection FCV-63-22 l

s

SQNP

' - ES- 1,3 Unit 1 or 2 Page 4 of 4

, Rev. 0 TRANSFER TO HOT LEG RECIRCULATION _

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! STEP ACTION / EXPECTED RESPONSE . RESPONSE NOT OBTAINED l

3 Verify System Status Per Appendix A l

l 4 Return To Instruction In Effect - - - ~

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