ML20237H899

Rev 0 to Emergency Instruction ES-1.3, Transfer to Hot Leg Recirculation

ML20237H899
Person / Time
Site:	Sequoyah
Issue date:	10/04/1984
From:	Nobles L, Strickland G TENNESSEE VALLEY AUTHORITY
To:
Shared Package
ML20237H133	List: ML20237H131 ML20237H155 ML20237H173 ML20237H196 ML20237H257 ML20237H274 ML20237H281 ML20237H298 ML20237H348 ML20237H361 ML20237H365 ML20237H400 ML20237H412 ML20237H421 ML20237H430 ML20237H438 ML20237H452 ML20237H464 ML20237H480 ML20237H492 ML20237H501 ML20237H508 ML20237H517 ML20237H532 ML20237H547 ML20237H559 ML20237H593 ML20237H602 ML20237H616 ML20237H629 ML20237H641 ML20237H649 ML20237H654 ML20237H659 ML20237H671 ML20237H682 ML20237H689 ML20237H696 ML20237H699 ML20237H703 ML20237H714 ML20237H719 ML20237H726 ML20237H735 ML20237H739 ML20237H770 ML20237H796 ML20237H852 ML20237H899 ML20237H967 ... further results
References
ES-1.3, NUDOCS 8708170403
Download: ML20237H899 (8)

Text

____ - - __ __-

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)

Prepared By:

G./trickland A j

7 Revised By:

N/A

/

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 O

All l

'M 4

SQNP l

ES-1. 3 Unit 1 or 2 I

Page 1 of 4

)

Rev. O

{

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.<

l l

l l

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1

SQNP ES-1.3 Unit 1 or 2 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 FI-63-173 Open RHR HL injection

(

FCV-63-172 f.

Leave RHR Train B in cold leg recirc Verify RHR llL flow on FI-63-173 Leave RHR Train A in cold leg recire 1

1.

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 FCV-63-153 p

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 I((

STEP ACTION / EXPECTED RESPONSE

. RESPONSE NOT OBTAINED l

3 Verify System Status Per Appendix A l

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Return To Instruction In Effect

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