ML19326C440

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Amend 1 to Fire Hazards Analysis Supporting Info Re Fire Safety Circuitry
ML19326C440
Person / Time
Site: Arkansas Nuclear 
Issue date: 04/12/1978
From:
ARKANSAS POWER & LIGHT CO.
To:
References
NUDOCS 8004230569
Download: ML19326C440 (28)


Text

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w/att Amend 1 to Applicant's Fire Hazards Analysis Supporting Info submitted 02/28/78 and drawings related to Fire Protection...

IRIS DOCUMENT CONTNNS hP00R QUAUTY PAGES PLANT NAME : ARKANSAS UNITS 1 & 2 F Jcm 04/21/78 AfD E 9CL.

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1 ARKANSAS NUCLEAR ONE FIRE HAZARDS ANALYSIS SUPPORTING INFORMATION j

AMENDMENT NO. 1 The attached sheets of the ARKANSAS NUCLEAR ONE FIRE HAZARDS' ANALYSIS SUPPORTING INFORMATION should be inserted and the corresponding numbered Pages should be removed. Page I-194 dated April 12, 1978 should replace the identical Page I-195.

D l

1

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REmMDANT SAFETY CIRCNITRY

1. 'All circuits are green.

t em Acceptance Criteria:

2.

None Acceptsace Criteria:

3.

Acceptance Criteria:

4.

Acceptance Criteria:

5.

Acceptance Cri. aria:

6.

t l

Acceptance Criteria:

1 Amendment No. 1 April 12, 1978 FIRE HAZARD $

ARkANSASNUCLEARmi PAGE ANALYSIS IMIT 1 1-3s i

(

1 REDUNDANT SAFETY CIRCUITRY

  • ~

1.

Emergency DG Exhaust fan VEF24A 4 5 (RT) VEF24C &.D 1

Acceptance Criteria: 5 - All circuits in conduit.

~

2 None i

Acceptance Criteria:

j 3.

Acceptance Criteria:

~

4.

Acceptance Criteria:

5.

l Acceptance Criteria:

l I

f 6.

Acceptance Criteria:

Amendment No.1 April 12,1978 - -'

FIRE HAZARDS ARdANSAS NUCLEAR.ONE ANALYSIS PAM UNIT 1 I-42

^

(

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SA1:l!TY SYSTINS Alil, cgAgg ti; ctMeillTS Al'l;l CI'I.I':

3, DG 2.

None

5.

4.

i*

5.

6.

7.

8.

9.

10.

1 l

11.

i 12.

13.

I 14.

15.

16.

17.

18 19.

20.

i Amendment'No. 1 April 12, 1978 FIRE HAZARDS AngssAs titict. EAR ONE PAGE M A1.Y515 UNII I I-43

.. J w

1

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JtEDUNDANT SAFETY CIRCUITRY 1.

Core flooding valve position indicator (trouble detection and annunciation) Red (RT) Green Acceptance Criteria:

5,6 2.

Sluice gates: SG1, SG3, SGS, (RT) SG2, SG4, SG6, SG7.

Acceptance Criteria:

5,6,7 - gates fail as is-can shutdown on lake 3.

RCL decay heat return isolation valve CV1050 (RT) CV1410 Acceptance Criteria:

5,7 4.

Penetration room filter discharge valve CY2123 (RT) CV2133 Acceptance Criteria:

5,6 5.

H Purge system suction valve. CY7451 (RT) CY7452 2

1 Acceptance Criteria:

5,6 6.

H Purge supply fan VSP 30A (red) (RT) VSP 30A (green) 1 2

Acceptance Criteria:

5,6 Amendraent No.1 April 12, 1978

v..

FIRE HAZARDS AludWtSAS NUCLEAR.ONE PAGE ANALYSIS UNIT 1 l

I-54 I

. _.. _ _. _ _ _ _ _ _. _ _,. ~. _

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R'EDUNDMtT SAFETY CIRCUITRY (con 4.)

7.

H Purge exh. fan VSF37A (RT) YEF375 SC = -

tEs c' 3.-

2 l

Acceptance Criteria:

5,6 I

8.

H Purgs supply fan VSP 30A (RT) VSP 308 2

Acceptance Criteria:

5,6 9.

H Purge exhaust suction valve CV7451 (RT) CV7452 2

Acceptance Criteria:

5,6,7 10.

H Purge heater VEH6A (RT) VEH68 2

0 Acceptance Criteria:

5,6

11. H Purge Supply line CY7443R (RT) CV7445G 2

Acceptance Criteria:

5,6,7 1

I

12. H Purge atandby supply line CV7446 (RT) CV7443 2

Acceptance Criteria:

5,6,7 Amendment No. 1 April 12, 1978 FIRE HAZARDS ARXNISASNtKLEAR.0ME PAGE ANALYSIS IMIT 1 I-60

(

T REDLMDA'NT SAFETY CIRCUITRY (con't) 19.

VEP24A and VEP248 (RT) VEF24C and VEF24D DG room exhau;.t fans Acceptance Criteria:

5

20. DELETED I

Acceptance Criterlat 5 - bypass valves available 21.*

None Acceptance Criteria 2 2. -

Acceptance Criteria:

23.

Acceptance Criteria:

24.

Acceptance Criteria:

Amendment No. 1 April 12, 1978 FIRE HAZARDS ARKNISAS NUCLEAR DNE PAGE ANALYSIS UNIT 1 I-86

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sal:l!TY SYSTI}lS Af4D Cl. ASS Ili ClittillTS AirlIrll.D:

1.

.All circuits are green.

'2.

None 27 3.

4.

i 5.

6.

7.

i 8.

9.

10.

I1.

12.

13.

14.

15.

16.

17.

IH.

19.

20 Amendment No. 1 April 12, 1978 flRE } LAZAR 05 ARKANSAS fillClI. AR ONE PAGE ANALYSIS UNII I I-113 l

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DISCRIPTION OF FIRE PROTECTION 1

Cut off from other zones by masonry walls. Open spiral stair to similar room above.

l 1

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DISCUSSION The Fire Load in this zone is low.

This zone is acceptable without modification.

1 l

1 Amendment No. 1 April 12, 1978

' FIRE HAZAP.DS ARKANSAS NUCLEAR..ONE'

  • PAGE ANALYSIS

' UNIT -

i I-194 1

~

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t,

s 1

e s

REDUNDANT, SAFETY CIRCllITRY 1.

Both room unit coolers Acceptance Criteria:

3,5,6 I

2.

Both control room emergency condensing units Acceptance Criteria:

3,5 1

3.

All 4 channels of CPC's.

1 l

Acceptance Criteria:

5 4.

None Acceptance Criteria:

5.

,, Acceptance Criteria:

6 Acceptance Criteria:

Amendment No. 1 April 12, 1978 FIRE HAZARDS ARKANS'AS NUCLEAR.ONE PAGE ANALYSIS UNIT 2 II-30

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l REDUNDANT SAFETY CIRCilITRY

l. bEA Position Transmitters - Red 2, 6, 10, 14, 22, 26, 30, 31, 38, 39, 46, 49, 51, 58, 62, 63, 70, 71, 72 (RT) Yellow 1, 2, 3, 5-7, 9-11, 13-17, 20-23, 25-27, 30-33, 36-41, 44-53, 56-59, 61-65, 68, 69-75, 79-81 Acceptance Criteria:

5,6 - 2 other channels available 1

2. Reactor In-Core Instrument Assembly - Red 1-8 (RT) Yellow 23-33 Acceptance Criteria:

5,6 - 2 other channels available

  • Ex-Core detector Interconnection Red (RT) Yellow (RT) Green Acceptance Criteria:

5,6 - 2 other channels available 1

4. RCL Temp. Protection Red 2P32B and D (RT) Yellow 2P32B and C Acceptance Criteria:

5,6

5. RCL Temp. Protection Red 2E24A and B (RT) Yellow 2E24A and B Acceptance Criteria:

5,6

6. Pressurizer Pressure Red (RT) Yellow (RT) Green Acceptance Criteria:

5,6 Amendment No. 1 April 12, 1978 FIRE HAZARDS ARKANSAS NUCLEAR ONE PAGE ANALYS15 UNIT 2 II-74

REDUND4NT SAFETY CIRCll!TRY (con't.)

7. Steam Generator ~ Pressurizer Protection Red 2E24A and B (RT) Yellow 2E24A and B Acceptance Criteria:

5,6

8. SG Downcomer Level (Both SG) Red (RT) Yellow Acceptance Criteria:

5,6 9'

RCP Speed Indication Red (RT) Yellow (RT) Green Acceptance Criteria:

5,6 1

10. Cont. Pressure Safety System Pressure Red (RT) Yellow Acceptance Criteria:

5,6

11. Containment Recire. Fan 2VSF31B and C Red (RT) 2VSF31D Green Acceptance Criteria:

5,6

12. RCS ChargingLine 2CV4827-2 and 2CV4831-2 Acceptance Criteria:

5,6 HIPSI Available Amendment No. 1 April 12, 1978 FIRC HAZARDS ARKANSAS NUCLEAR ONE PAGE ANALYSIS UNIT 2 II-75

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THIS PAGE DELETED 1

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Amendment No. 1 i

l April 12, 1978 FIRC HAZAR05 ANKMSAS NUCLEAR ONE

PAE, MALYSIS ImIT 3 II-76 E

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'DlIS PAGE DELETED 1

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i Amendment No. 1 April 12, 1978 FIRC NAZARDS 54 ELgm mg p4gg MALYSIS tmIT 3 11-77

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REDLINDANT SAFETY CIRCllITRY 1.CEA Position Switch and Transmitter' Green 1, 3, 4, 5, 7-9, 11, 12, 16-21, 23-29, 32-37, 40-49, 52-57, 59-61, 64-69, 71-81 (RT) Blue 4, 12, 18, 19, 24, 28, 34, 35, 42, 43, 48, 54, 55, 60, 66, 67, 76-78 Acceptance Criteria:

5,6 2 channels available 2 Reactor In-Core Instrument Assemblies Green (RT) Blue Acceptance Criteria:

5,6 3.Ex-Core Detector Interconn.

Green (RT) Blue Acceptance Criteria:

5,6 1

4.RCP Speed Green (RT) Blde (RT) Red Acceptance Criteria:

5,6 54G Downconer Level (Both SG's) Green (RT) Blue Acceptance Criteria:

5,6 66G Pressure Protection Green (RT) Blue h

i Acceptance Criteria:

Amendment No. 1 April 12, 1978 FIRE HAZARDS ARKANSAS NUCLEAR.ONE PAGE l

ANALYSIS UNIT 2 II-81 i

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REDUNDANT SAFE'nf CIRCll!TRY (con't.)

7. Pressurizer Pressure Protection Green (RT) Blue Acceptance Criteria:

5,6

8. RCL Temp. Prot. RCP Blue (RT) Red (RT) Yellow 1

l Acceptance Criteria:

j 5,6

9. Pressurizer Pressure Protection Blue (RT) Green Acceptance Criteria:

5,6 RCP Speed Green (RT) Blue Acceptance Criteria:

4 NONE I

Acceptance Criteria:

4 12.

Acceptance Criteria:

Amendment No. 1 April 12, 1978 i

FIRE HAZARDS ARKANSAS NUCLEAR ONE PAGE ANALYSIS IPNIT 2 II-82 e

w v

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---s

f THIS PAGE DELETED 1

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Amendment No. 1 April 12, 1978 g

FIRC HAZARDS ARKMSAS NUCLEM ONE PAGE MALYSIS t#Ili 3 11_g3

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REDlMDANT SAFETY CIRCUITRY 1.

DELETED 1

Acceptance Criteria:

2.

None Acceptance Criteria:

3.

Acceptance Criteria:

l 4.

Acceptance Criteria:

5.

Acceptance Criteria:

6.

Acceptance Criteria:

Amendment No. 1 April 12, 1978 FIRE HAZARDS ARKANSAS NUCLEAR.ONE PAGE ANALYSIS UNIT 2 11-1 07

7_ - - - _ -

t

~

g RE,00NDANT SAFETY CIRCUITRY 1.

~ 2VSF34A-1 and 2HCD8243-1 (Red reactor cavity cooling fan and (RT) 2VSF348-1 and 2HCD8244-2 (green reactor cavity damper) fan and damper) cooling Acceptance Criteria:

5,6 2.

2VEF37-1, 2VEF30-1 (Red containment H2 Purge Exhaust Fan and Purge (green) 2VP5 (Red H Purge Service Water Pump) (RT) H2 2

Acceptance Criteria:

5,6 3.

2VSF31A-2 and 2VSF31C-2 (Red containment recirculating fan)

I (RT) 2VSF31B and 2VSF31D (Green Containment Recirculating Fan) l Acceptance Criteria:

5,6 4.

2CV2202-1 (Red Reactor Drain Tank) (RT) 2CV2201-2 (Green Reactor Drain' Tank)

Acceptance Criteria:

5,6 4

5.

2CV4846-1 (Red Volume Control Tank Reactor Coolant Pump Seal Isolation Valve)

(RT) 2CV4847-2 (Green volume control tank reactor coolant pump seal isolation valve.

Acceptance Criteria:

5,6 Valves fail close l

6.

2CV5647-1 (Containment Sump Suction Red) (RT) 2CV5648-2 (Containment Sump Suction Green)

Acceptance Criteria:

6 (Locked open, power removed)

Amendment No. I-April 12, 1978 ',

FIRE HAZARDS ARKANSAS NUCLEAR.0NE PAGE II-123 ANALYSIS UNIT 2

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i REDUNDANT SAFETY CIRCllITRY (con't.)

7.

2CV2401-1 (Red ventilation isolation valve) (RT) 2CV2400-2 (Green ventilation isolation valve)

Acceptance Criteria:

5,6 1

8.

2CV1503-1 (Jacket cooling water outlet for red diesel generator)(RT) 2CV1504-2 (Jacket cooling water outlet for green diesel generator Acceptance Criteria:

5,7 - Indication in Control Room 9.

2CV5015-1 HPSI to RCP2P32A (RT) 2CV5016-2 HPSI to RCP2P32A 4 other paths available Acceptance Criteria:

5,6,7 1

10.

2CV5055-1 HPSI to RCEZP32C (RT) 2CV5056-2 HPSI to RCP2P32C 4

Acceptance Criteria:

5,6,7 - 4 other paths available 11.

None Acceptance Criteria:

12.

1 l

Acceptance Criteria:

Amendment No. 1 April 12, 1978 FIRE HAZARDS ARKANSAS NUCLEAR ONE PAGE ANALYSIS llNIT 2 II-124

RE?WDANT SAFETY CIRCllITRY 1.

-2D34 (r & g) (RT) 2D32(g) - Battery Chargers 1

Acceptance Criteria:

5,6-2D31(r) &' 2D33 available - 3

~

battery banks each good for 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br />.

2.

.None Acceptance Criteria:

3.

$6 3

Acceptance Criteria:

i 4.

Acceptance Criteria:

5.

Acceptance Criteria:

6.

Acceptance Criteria:

Amendment No. 1 April' 12, 1978 FIRE HAZARDS ARKANSAS NUCLEAR.ONE PAGE ANALYSIS UNIT 2 11 343 i

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REDUNDANT SAFETY CIRCUITRY 1

1. 2CV1473-5 and 2CV1471-1 (Red) (RT) 2CV1472-5 (green) Service water inlet from ECP Acceptance Criteria:

6,7 - Although the ECP is preferred for nomal shutdown, no problem exi::ts with using the lake.

2CV1473-5 green and 2CV1472-5 red is still available.

2. 2CV1425-1 (Red) (RT) 2CV1427-2 (green) Service water to auxi-11ary cooling Acceptance Criteria:

6,7

3. 2CV1418-1 and 2CV1419-1 (Red (RT) 2CV1421-2 (green) SW crossover valves.

Acceptance Criteria:

6,7 - 2CV1422-2 is available.

2CV1418-1, 2CV1419-1 and 2CV1421-2 nomally open.

2 paths still available for SW.

4. 2CV1470-1 (Red) (RT) 2CV1472-5 (green) Service water intake from ECP

/

Acceptance Criteria:

6,7 - 2CV1472-5 (Red) and 2CV1474-2 (green) still available i

1 5.

DELETED 6 - RCP speed ch. #2 available Acceptance Criteria:

6. None Acceptance Criteria:

Amendment No. 1 April 12, 1978 FIRE HAZARDS ARKAN'SAS NUCLEAR.0NE PAGE ANALYSIS UNIT 2 II-151

\\

REDUNDANT SAFETY CIRCllITRY 1

1.131050-2 (RT) 2CV1000 Steam to steam driven emergency feedwater pump Accepto

';riteria:

4,6 - AC available to electric EFW pump l

2. None Acceptance Criteria:

3.

Acceptance Criteria:

4.

Acceptance Criteria:

5.

Acceptance Criteria:

6.

Acceptance C1iteria:

Amenduent No. 1 April 12, 1978 FIRE HAZARDS ARKAN'SAS NUCLEAR.0NE PAGE ANALYSIS UNIT 2 II-163

.. -. -. = = = --.~. - -

f REDtlNDANT SAFETY CIRCil!TRY I.

  • 2CV5612-2 (r) ' Spray Header VLV (RT) RWT Outlet VLV 2CV5631-2 (g) i Acceptance Criteria:

5,6 i

1 2.

DELETED l

Acceptance Criteria:

3. None 1

Acceptance Criteria:

4.

l l

i Acceptance Criteria:

5.

Acceptance Criteria:

6.

Acceptance Criteria:

Amendment No. 1 April 12, 1978 FIRE HAZARDS ARKANSAS NUCLEAR.0NE PAGE ANALYS15 IMIT 2 II-222

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SAFETY SYSTEMS AND CLASS 1E CIRCUITS AFFECTED:

1.

DG 2.

NONE 3.

4.

5.

6.

7.

8.

3.

10.

11.

i 12.

13.

14.

15.

16.

17.

18.

19.

20.

I Amendment No. 1 April 12, 1978 FIRE HAZARDS ARKANSAS NUCLEAR ONE PAGE ANALYSIS UNIT 2 II-227

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DISCRIPTION OF FIRE PROTECTION Separated from other zones by masonry walls and clear spaces.

Seal oil unit, and lube oil tank are protected by automatic deluge sprinklers- 0.3 GPM/Sq.Ft. The west half of Turbine Building below main deck, over oil containing equipment is protected by automatic wet pipe sprinklers designed to provide 0.3 GPM/

SQ. Ft. over 3000 Sq. Ft. at same time ~ supplying 0.2 GPM/Sq.Ft.

over 10,000 Sq. Ft. Automatic wet pipe system -Ordinary hazards-100 Sq Ft. head spacing installed over feed pump area. Turbine bearings are to be protected by automatic pre-action sprinklers.

Exciter housing is to be protect'ed by automatic CO. H,and 2

extinguishers, wheeled extinguishers and 1.1/2" fire hose in 1

zone.

I l

DISCUSSION Fire load in the zone is low.

This zone is acceptable without modification.

Amendment No. 1 April 12, 1978 FIRE HAZARDS ARKANSAS NUCLEAR ONE PAGE ANALYSIS UNIT 2 II-2S2

(

('-

E ANO-1 Intake Structure

)

TION:

Service water intake l

DISCRIPTION: Intake structure housing ANO-1 service water pumps.

1810 Sq. Ft.

IIEAT LOAD:

Cable Insulation 82E5 BTU Oil, Cleaning solvent, etc.

288E4 BW Transient Combustibles o

BTU 3

+0ther Combustibles 35E5 BTU Total combustibles 1458E4 BW Total Heat Load 8055 BTU /FT2

  • (discription of other combustibles)

Ordinary combustibles-rags, wood, etc.

Amendment No. 1 April 12, 1978 FIRE FMARDS ARKANSAS NUCLEAR ONE PAGE AN'iYSIS UNIT 1

,III-49 w