ML20237H689

Rev 0 to Function Restoration Guidelines FR-Z.2, Response to Containment Flooding

ML20237H689
Person / Time
Site:	Sequoyah
Issue date:	08/21/1985
From:	Patterson B, Strickland G TENNESSEE VALLEY AUTHORITY
To:
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References
FR-Z.2, NUDOCS 8708170313
Download: ML20237H689 (4)

Text

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i TENNESSEE VALLEY AUTHORITY.

SEQUOYAH NUCLEAR PLANT FUNCTION RESTORATION GUIDELINES FR-3.2 RESPONSE TO CONTAINMENT FLOODING .

t Revision 0_ ,

PREPARED BY: G ./St rickland RESPONSIBLE SECTION: erations // //

REVISED'BY:

,,,( SUBMITTED BY:

8/M/

Res'ponsib/

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l~e Sje " l'on Supervicor AUG 2'11985 PORC' REVIEW DATE:

APPROVED BY: Ty,ud ifR4 %

Pladt Manager DATE APPROVED: AUG 211985 l

Reason for revision (include all Instruction Change F5rm Nos.):

New Instruction written per commitment to NUREG 0737.

The last page of this instruction is number: 2 g81{0g 87

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SEQUOYAH NUCLEAR PLANT

. PLANT INSTRUCTION REVISION LOG FUNCTION RESTORATION GUIDELINES FR-Z.2 REVISION Date Pages REASON FOR REVISION (INCLUDE COMMIT-LEVEL Approved Affected MENTS AND ALL ICF FORM NUMBERS)

New instruction written per commitment 0 A JG 211985 All to NUREG 0737

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, SQNP FR-Z. 2 Unit 1 or 2 Page 1 of 2 Rev. O

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RESPONSE TO CONTAINMENT FLOODING

, A. . PURPOSE

. This guideline provides ections to respond to containment flooding j.

B. SYMPTOMS Cntmt sump level greater than 95%

g C. TRANSITION FROM OTHER INSTRUCTIONS _

Status Tree 1

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FR-Z.2. ' Unit 1 or 2 7 ,

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RdbPONSE TO' C'ONTAINMENT FLOODING

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STEP - ], ACTION / EXPECTED RESPONSE RESPONSE NOT OBTAINED q .

i 1 , ' Attempt To Identify Unexpected E Source Of. Water To Sump .

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a. ERCW s

b. CCS .

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, c. High pressure fire prot' ection m, .

P' ' d '. Primary water -

e. .. Refer to SOI-88 as required ,

, .2  : Check Cntmt Su' mp ' Activity e a. ' Notify chem lab to sample entmt sump y -(. '

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_. b . IF RHR suction aligned to b. E RHR NOT aligned

<. cntmt sump, to entmt sump, THEN sample: from' RHR THEN consult TSC p; system to evaluate sampling s entmt sump p,

3 Consult With TSC

a. Notify TSC to evaluate following: ,

1) Stopping. leakage into j

' cntmt sump 4 l

2) . Operational problems }

with equipment located ~

i below cntmt water level )

l 3) If water should be f transferred from entmt to Aux Bldg Return To Instruction In Effect 4

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