ML20205S536

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Rev 0 to Alternative Safe Shutdown Procedure ASSD-20, Diesel Generator Bldg 23 Ft Elevation E8 Switchgear Room
ML20205S536
Person / Time
Site: Brunswick Duke Energy icon.png
Issue date: 04/04/1988
From: Bishop E
CAROLINA POWER & LIGHT CO.
To:
Shared Package
ML20205K904 List: ... further results
References
ASSD-20-01, ASSD-20-1, NUDOCS 8811110094
Download: ML20205S536 (13)
v • d • e


Text

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CAROLINA POWER & LIGHT COMPANY BRUNSWICK STEAM ELECTRIC PLANT UNIT 2 PROCEDURE TYPE: ALTERhATIVE SAFE SHUTDOWN PROCEDURE NUMBER: ASSD-20 PROCEDURE TITLE: DIESEL GENERATOR BUILDING 23' ELEVATION E8 SWITCHGEAR ROOM Rev. 0 R B.L '

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& cs Approved By: .r GeneraFRanagg[.- /r L4__

/Manageripperations Date: dl Tll!6 i -

BSrP-2/ASSD-20 Page 1 of 13 Rev. O es. .t0094 nG1025 PDA ADOCK 05000324 p PDR

LIST Of EFFECTIVE PAGES AS50-20_

Page(s) Revision 1-13 0 R B..

l t

i BSEP-2/AS50-20 Page 2 of 13 Rev. O  ;

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A. TITLE i

Diesel Generator Building 23' Elevation E8 Switchgear Room B. REFERENCES

1. Per 10CFR50 Appendix 'R' Sections !!!.G & L.
2. Per 10CFR50 Appendix 'R' Section Il!.J.

C. ENTR_Y CONDITIO_N This procedure is entered from Alternative Safe Shutdown Index ASS 0-01,

~

1. A fire has occurred in an area containing Alcernative Safe Shutdown Train B equipment,

.A_t40,,

2. The Shift Foreman has determined that the reactor is to brought to Cold Snutdown using Alter native Safe Shutdown Train A.

The purpose o' 'his prvcedure is to provide supplemental actions to be used concurrently with E0Ps and other operations ~ procedures to achieve and R B.I maintain Cold Shutdown coincident with or without a 72 hour8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> loss of off*

site power.

D. O_PERATOR ACTIONS

1. IF while executing this procedure, the fire is extinguished AND ,

tfie Shif t Foreman determines that no action within this ,

procedure is required, THEN EXIT this procedure. l

^

2. OBSERVE the following parameters on instruments indicated while performing actions to achieve and maintain cM 4 shutdown.

Instrument Location 2-CAC-TR-4426-1 Suppression Pool Temp. (Pt.1) Control Room Panel 2-CAC-LR-2602 Torus Level Control Room Panel 2-C32-PI-R605 Reactor Pressure Control Room Panel 2-C32-L1-R606A Reactor Water Level Control Room P.ml

3. IF reactor building AND/0R diesel generator building entry is

~

reouired to restore p oiittor equipment, THEN_ ,

1

~

a. O!SPATCH the following minimum manpower for performance of this procedure: ,

l Reactor Building - 1 Auxiliary Operator I

Diesel Generator Building - 1 Auxiliary Operator 1

BSEP-2/AS50-20 Page 3 of 13 Rev. 0

b. OBTAIN the following keys from the Shif t Foreman's Key Locker

~ (1) ASSD Equipment Cabinet Key #148 (1) ASSD Flashlight Tool Box Key #160

c. OBTAIN Security Access Keys from SAS Security Officer located in the Control Room AND PROCURE the following equipment from the ASSD Tiiulpment Cabinet:

For Reactor _ Building (1) Flashlight

__ (1) Sound powered phonc Copy of this procedure

_ (1)

-~ (3) Remote Shutdown Keys, Serial T112

_ (1) Security Access Key (1) Twenty-five foot sound powered phone extension cord For Diesel Generator _ Building (1) Flashlight

1) Copy of this procedure --

_ ((1) Security Access Key (14) Door Wedge Blocks RB.t

d. USE appropriate figures in this procedure to provide >

access / egress routes, equipment and cocriunication '

locations.

f

4. IF Diejel Generator operation is required, THEN BLOCK OPEN DTesel Generator Building doors, as indicated on Attachment 1, to establish ventilation for Diesel Generator operations.
5. IF Nuclear Service Water to Vital Header Valve, 2-SW-V117 UNNOT be operated ft .a the RTGB, ~THEN Manually OPERATE FSW-7117.
6. IF Nuclear Service Water Supply Valve, 2-SW V105 CANNOT be operated from the RTGB, _T_ HEN HE Manually 0PERATE 2-57-YIDT.
7. IF Ccnventional-Nuclear Header Cross-tie Valve, 2-SW-V102 UNNOT be operated f rom the RTGB, THEN Manually 0PERATE F3W7102.
8. !F operation of RHR Service Water System is required AND RHR 3ervice Water Booster Pumps are NOT_ available, THEN RTFTR to OP-43.
9. IF operation of HPCI Steam Supply Inboard Isolation Valve, FE41-F002 is required AND_ power is NOT available from MCC 2XD, '

THEN l

BSEP-2/ASSD-20 Page 4 of 13 Rev. O

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a. PLACE the circuit breaker control switci. in the 0FF l position for HPCI Steam Supply Inboard Isolation Valve, 2-E41-F002, at MCC 2XD r,ompartment DW1.
b. PLACE the circuit breaker control witch in the ON ,

pnsition for HPCI Steam Supply Line Isolation VaWe, ,

2-E41-F002, (ASSD FEFD) at MCC 2XC compartment 051. i

c. IF 2-E41-F002 is required to be Open THEN PLACE the 1750 Keylock Control Switch in the OPETTosition, at '

i MCC 2XC compartment 051.

t

d. IF 2-E41-F002 is required to be Closed, THEN PLACE -

We ASSD Keylock Control Switch in the CW l position, at MCC 2XC compartment 051. l

10. IF operation of HPCI Turbine Exhaust Vacuum Breaker Valve, FE41-F079, is required AND power is NOT available from hCC  ;

2XB, THEN I

a. PLACE the circuit breaker control switch in the OFF position for HPCI Turbine Exhaust Vacuum Breaker -

Valve, 2-E41-F079, at MCC 2XB compartment DQ0. l

b. PLACE the circuit breaker ' control switch in the ON I position for HPCI Turbine Exhaust Vacuum Breaker 7 Valve, 2-E41-F079, (ASSO FEED) at MCC 2XC compartment DT2. g g,
c. IF 2-E41-F079 is required to be Open, THEN PLACE the ITSD Keylock Control Switch in;the OPETT6sition, at MCC 2XC compartment O!2.

l

d. IF 2-E41-F079 is required to be Closed, THEN PLACE

! We ASSD Keylock Control Switch in the C W l position, at MCC 2XC compartment DT2.

11. IF operation of Shutdown Cooling Outboard Suction Throttle Talve, 2-E11.F008 is required AND power is NOT ~~

available from l MCC 2XDB, THEN l

a. VERIFY OFF OR PLACE the circuit breaker control switch In tee OFF position for shutdown Cooling Suction ThrottDalve, 2-E11-F008, at MCC 2XDB compartment 850.
b. PLACE the circuit breaker control switch in the ON position for RHR Suction Isolation Valve, 2-E11-TUO8, (ASSDFEED)atMCC2XDAcompar[mentB26.
c. IF 2-E11-F008 is required to be Open, THEN PLACE the TTose/Of f/Open Keylock Switch in the OWR ~ position, at MCC 2XDA compartment B26.

\

BSEP-2/ASSD-20 Page 5 of 13 Rev. O

d. IF 2-E11-F008 is required to be Closed, THEN PLACE We Close/Off/Open Keylock Switch in theWSE position, at MCC 2XDA compartment B26.
12. WHEN the Shift Foreman determines:
a. Diesel Generator Building doors that were opened / blocked open for Diesel Generatur ventilation are no longer required to be open, THEN RESTORE all Diesel Generator Building doors that were opened on Attachment 1 to the closed position.

/

Ind/Ver

~~

>wer is available from MCC 2XD for operation of HPCI ceam Supply Inboard Isolation Valve, 2-E41-F002,

, HEN t

(1) PLACE the circuit breaker control switch in the ON position for HPCI Steam Supply Inboard Tsolation Valve, 2-E41-F002, at MCC 2XD compartment DW1.

/

Ind/Ver .-

g g, (2) PLACE the circuit breaker control switch in the OFF position for HPCI Steam Supply Line inboard Isolation Valve, 2-E41-F002

( ASSO FEED) a* MCC 2XC compartment 051.

l /

Ind/Ver (3) PLACE t'ie ASSD Keylock Control Switch in the OFF position, for HPCI Steam Supply Line Isolation Valve, 2-E41-F002, at MCC 2XC cocpartment 051.

/

Ind/Ver

c. Power is available f rom MCC 2XB for operation of HPCI Turbine Exhaust Vacuum 6reaker Valve, 2-E41-F079, THEN ,

(1) PLACE the circuit breaker control switch in the ON position for HPCI Turbine Exhaust 7acuum Breaker Valve, 2-E41-F079, at MCC 2XB compartment 0Q0.

/

Ind/Ver BSEP-2/ASSD-20 Page 6 of 13 Rev. O

_(2) PLACE the circuit breaker control switch in the OFF position for HPCI Turbine Vacuum Triaker Valve, 2-E41-F079, (ASSD FEED) at MCC 2XC compartment DT2.

/

Ind/Ver (3) PLACE the ASSD Keylock Control Switch in the OFF_ position for HPCI Turbine Vacuum Breaker Valve, 2-E41-F079, at MCC 2XC compartment DT2.

/

Ind/Ver

d. Power is available from MCC 2XOB for operation of Shutdown Cooling Outboard Suction Throttle Valve, 2-E11-F008, THEN (1) PLACE the circuit breaker control switch in the ON position for Shutdown Cooling OutboarTSuction inrottle Valve, 2-E11-F008, at MCC 2XDB compartment B50.

/ .

Ind/Ver R S.

(2) PLACE the circuit brecker control switch in the OFF position for RHR Suction isol ati~ii Val se, 2-E11.F008, ( ASSO FEED,'

at MCC 2XDA compartment 826.

Incl / Ver (3) PLACE the Close/Of f/0 pen Keylock Switch in the OFF position for RHR Suction Isolation Yalve, 2-E11-F003, at MCC 2XDA compartment B26.

/

Ind/Ver 1

l l

l BSEP-2/AS50-20 Page 7 of 13 Rev. O l

L___

4

13. VHEN:
a. The fire has been extinguished AND
b. All breakers, AND/0R switches operated in this procedure are restored to their normal position AND
c. No actions within this procedure are required to achieve or maintain Cold Shutdown, THEN
d. EXIT this procedure.

Date/ Time Completed Performed By (Print) Initials Re.iewed Sy*

Shift Foreman K B.

i l

Page 8 of 13 Rev. O BSEP-2/ASSD-20

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BSEP-2/ASSD-20 Page 11 of 13 Rev. O  ;

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FIGURE 4 Unit 2 Reactor Building -17' -0" Elevation Access / Egress BSEP-2/ ASS 0-20 Page 12 of 13 Rev. O

l DIESEL GENERATOR YENTILATION

1. OPEN/8 LOCK OPEN doors identified on drawing below.
2. BLOCK OPEN doors using door wedge blocks.

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% P ft 23'-01 ATTACHMENT 1 Diesel Generator Building Door Position For Diesel Cell Ventilation i

l Page 13 of 13 Rev. 0 BSEP-2/ ASS 0-20 l

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