ML20071Q387

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Rev 4 to FNP-0-STP-611.1, Spillway Channel & Structure Verification
ML20071Q387
Person / Time
Site: Farley  Southern Nuclear icon.png
Issue date: 03/28/1991
From:
SOUTHERN NUCLEAR OPERATING CO.
To:
Shared Package
ML20071P955 List:
References
FNP--STP-611.1, FNP-0-STP-611.1, NUDOCS 9408110198
Download: ML20071Q387 (7)
v • d • e


Text

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FNP-0-STP-611.1 March 28, 1991 l Revision 4 5

6 FARLEY NUCLEAR PLANT SURVEILLANCE TEST PROCEDURE *

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FNP-0-STP-611.1 ,

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SPILLWAY CHANNEL AND' STRUCTURE t' VERIFICATION R >

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r-R:v. 3 'rNP-0-STP-611.1 <

FARLEY NUCLEAR PLANT 1 SURVEILLANCE TEST REVIEV SHEET l SURVEILLANCE TEST NO. TECHNICAL SPECIFICATION REFERENCE t

FNP-0-STP-611.1 4.7.6.2.3 TITLE MODE (S) REQUIRING SPILLWAY CHANNEL AND TEST:

STRUC'IURE VERIFICATICN 1,2,3,4 TEST RESULTS (To be completed by test performer)

PERFORMED BY DATE/ TIME COMPONENT OR TRAIN TESTED (if applicable) b ENTIRE STP PERFORMED PARTIAL STP PERFORMED For Surveillance Credit Not for Surveillance Credit REASON FOR PARTIAL:

TEST COMPLETED: Satisfactory Unsatisfactory 1

'!he following deficiencies occurred:

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i b 3 Corrective action taken or initiated: '

PERFORMING GROUP REVIEV REVIEVED BY DATE j b Procedure properly completed and satisfactory Comments:

SYSTEMS PERFORMANCE SCREENED BY DATE GROUP REVIEV REVIEVED BY DATE Satisfactory and Approved Comments:

FIGURE 3 Rev. 7 ,

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PNP-0-STP-611.1 LIST OF EFFECTri!E PMES REVISION 10.

PME 10. 0 1 2 3 4 5 6 7 8 9 10 1 X X X X 2 X X X X X 3 X X X 4 X DATA SHEL'T 1 X Page 1 of 1 IL

FNP-0-STP-611.1 FARLEY NUCLEAR PLANT UNITS 1 & 2 SURVEILLANCE TEST PROCEDURE STP-611.1 SPILLWAY CHANNEL AND STRUCTURE VERIFICATION 1.0 Purpose 1.1 To verify the spillway channel and spillway structure are intact.

2.0 Acceptance Criteria 2.1 The spillway channel and spillway channel structure are intact.

t 3.0 References 3.1 FSAR, Chapter 2.0 3.2 Unit 1 and Unit 2 Technical Specification 4.7.6.2.3 3.3 FNP-0-AP-5, surveillance Program Administrative Control 3.4 FNP-0-AP-31, Quality Control Measures 3.5 A-170538, Facility Description Storage Pond 3.6 D-171501, outdoor concrete spillway structure -

General Arrangement 3.7 FNP-0-GMP-0.0, Mechanical Maintenance Precautions and l Limitations i

4.0 Test Equipment, special Tools and Materials 4.1 Test Equipment None  !

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4.2g'[ special Tools None 4.3 Materials  !

None M 5.0 Precautions and Limitations 5.1 Wear appropriate safety equipment as required by task performance.

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FNP-0-STP-611.1 i i

5.2 \

Mechanical Foreman shall be notified if discrepancies -

are encountered that cannot be resolved within the scope of this procedure. r 5.3 A Maintenance Work Request (MWR) shall be issued  !

prior to performing any corrective maintenance identified during performance of this STP. ,

I 5.4 shift Supervisor shall be notified if acceptance i criteria are NOT met.

5.5 3 Maintenance Group is responsible for-performance, l documentation and initial review of maintenance surveillance tests in accordance with FNP-0-AP-5.

5.6 The performance of this inspection is limited to a '

time when there is no water overflow from the storage pond through the spillway.

5.7 observe all precautions and limitations listed in l

FNP-0-GMP-0.0, Mechanical Maintenance Precautions and i Limitations. t M 6.0 Prerequisites and Initial Conditions 6.1 shift Supervisor has authorized performance of this t procedure.  :

6.2 Personnel performing the test procedure have been briefed in proper procedure performance and meet '

qualification requirements as specified in FNP-0-AP-31. j I

6.3 This inspection may be performed. during any mode of plant operation.  !

t 7.0 Maintenance Instructions M 7.1 Inspect channel between the storage pond and the  ;

spillway for the following and record condition on -

Data Sheet 1. ,

7.1.1 verify there are no voids in the grass cover- '

on the channel banks. t i

7.1.2 verify there is no evidence of animal ,

burrowing in the channel banks.

7.1.3 verify that the bottom of the channel is free  !'

of debris.

7.1.4 verify that the nine 4" pipe vents with flap L valves, in the 20-foot-wide concrete apron on the pond side of the structure of the channel  ;

flocr, are not fouled. -

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FNP-0-STP-611.1 M 7.2 Inspect the channel structure for the following and record condition on Data Sheet 1.

7.2.1 Verify the three spillway bays and the drop area are free of debris.

7.2.2 Verify the sheet piling extending from the concrete structure along both sides of the roadway is intact with no loss of backfill material.

7.2.3 verify the fifteen 4" pipe vents with flap valves in the floor downstream of the spillway drop are not fouled.

7.2.4 Verify that the nine 6" vents through the' structure into the fill area are clear and that the screens are in place.

7.2.5 Verify that there is no evidence of cracks or breaks in any of the exposed surface of the concrete structure.

7.2.6 Verify that the concrete retaining walls downstream of the structure are intact and that the 4" weep holes into the backfill area are not fouled. -

M 7.3 Inspect the downstream canal for the following and record condition on Data Sheet 1:

7.3.1 verify there is no loss of backfill material from behind the sheet piling. ,

7.3.2 Verify there is no evidence of water erosion and undercutting of the structure drop.

7.3.3 verify the out-flow canal is free of debris.

7.3.4 verify the banks of the out-flow canal are intact and the grass cover has no voids.

5 S 7.4 IF any of the acceptance criteria are not satisfied, YBEN notify the shift Supervisor immediately and obtain verification signature on Data Sheet 1.

M 7.5 Notify Shift Supervisor that task is complete.

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Fle-0-S'IP-611.1 IRIA SHEET 1 SPZLLZ1G OWNEL Ato SIEUCItRE VERITICATICN TPNS to: DNIE:

SIEP DESGIFTIQi SIG@dtRE/DNIE 5.0 Precautions and Limitations have been (M) /

read and understood.

t 6.0 Prerequisites and Initial Conditions (M) /

have been satisfied.

7.1 Inspected channel between pmd and spillway. (M) /

Condition:

7.2 Inspected channel structure. (M) /

Condition: ,

7.3 Inspected downstream canal. (M) /

Condition:

7.4 Shift Supervisor signature for unsatisfactory (S) /

Acceptance Criteria. ,

7.5 tbtifed Shift Supervisor task empleted. (M) /

t RD%RKS: ,

REVIEWED BY: DNIE:

Foreman Signature

  • i ACCEPIANCE CRI'IERIA: The spillway channel and spillway channel structure are intact.

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