ML20205S452

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Rev 0 to Alternative Safe Shutdown Procedure ASSD-15, Diesel Generator Bldg 23 Ft Elevation Diesel Generator Cell 3
ML20205S452
Person / Time
Site: Brunswick Duke Energy icon.png
Issue date: 02/12/1988
From: Bishop E
CAROLINA POWER & LIGHT CO.
To:
Shared Package
ML20205K904 List: ... further results
References
ASSD-15-01, ASSD-15-1, NUDOCS 8811110071
Download: ML20205S452 (15)
v • d • e


Text

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CAROLINA POWER & LIGHT COMPANY BRUNSWICK STEAM ELECTRIC PLANT UNIT 2 PROCEDURE TYPE: ALTERNATIVE SAFE SHUTDOWN PROCEDURE NUMBER: A550-15 PROCEDURE TITLE: DIESEL GENERATOR BUILDING 23' Ei.EVATION OlESEL GENERATOR CELL 3 Rev. O gg

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Approved By: -UtFAloe -

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BSEP.2/ ASSD 15 Page 1 of 15 Rey, 9 Ob ?1P4 3B0kIIkOOck eva

LIST OF EFFECTIVE PAGES ASSD-15 Page(s)_ Revision 1-15 0

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BSEP-2/ ASS 0-15 Page 2 of 15 Rev. 0 l e I

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e A. TITLE Diesel-Generator Building 23' Elevation Diesel Generator Ceil 3.

B. REFERENCES

1. Per 10CFR50 Apuendix 'R Sections III.G & L.
2. Per 10CFR50 Appendix 'R' Section Ill.J.

C. ENTRY CONDITION This procedure is entered from Alternative Safe Shutdown index ASSD-01.

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

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2. The Shift Foreman has determined that the reactor is to be brought to Cold Shutdown using Alternative Safe Shutdown Train B.

The purpose of this procedure is to provide supplementel actions to be used concurrently with E0P's and other operations procedures to achieve * -"

and 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. R B.1

0. _0PF9ATOR ACTIONS

_ 1. IF while executing this procedure, the fire is extinguished AND Ific Shif t Foreman determines that no action wif.hin this procedure is required. THEN EXIT this procedure.

2. OBSERV6 the following parameters on instruments indicated while performing actions to achieve and maintain cold shutdown.

Instrument Location 2-CAC-TR-778 Suppression Pool Water Temp. (Pt. 7) Remote Shutdown Panel 2-CAC-LI-3342 Torus Level Remote Shutdown Panel 2-C32-P!-3332 Reactor Pressure Remote Shutdown Panel 2-B21-Ll-R604BX Reactor Water Level Remote Shutdown Panel

3. IF reactor building AND/OR diesel generator building AND/OR service water building entry is required to restore fmoWtor eqrtipment , _TJgN
a. DISPATCH the following minimum manpower for performance of this procedure:

Reactor Building - 2 Auxiliary Operators Diesel Generator Building - 1 Auxiliary Operator Service Water Building - 1 Auxiliary Operator BSEP-2/AS50-15 Page 3 of 15 Rev. 0 ,

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b. OBTAIN the following keys from the 505 Key Locker 'l (1) ASSD Equipment Cabinet Key #148 (1) ASSD Flashlight Tool 80,, Key #160 AND PROCURE the following equipment f rom the ASSD Equipment Cabinet:

For Diesel Generator Building (1) Flashlight (1) Copy of this procedure (1) Security Access Key (14) Door wedge blocks For Reactor Building (2) Flashlights (2) Copies of this procedure (4) Remote Shutdown Keys, Scrial T112 (2) Security Access Keys (2) Sound powered phones (2) Twenty-five foot sound powered phone extension cords ,

For Service Water Building g 3,g (1) Flashlight

- (1) Sound powered phone (1) Copy of this procedure

~ (1) Security Access Key (1) Twenty-five foot sound powered phone extension cord

c. USE appropriate figures in this procedure to provide access / egress routes, equipment and communication locations. (Normal communications may not be available.)
4. PLACE Reactor Water Level "NORMAL / LOCAL" switch, 2-B21-C5-3345

'at the Re' note Shutdown Panel, to the "LOCAL" position to make level indicator 2-B21-L1-R604BX operable.

5. IF Diesel Generator operation is required, THEN BLOCK "0 PEN" Tfesel Generator Building doors, as indicated on Attachment 1, to establish ventilation for Diesel Generator operations.
6. VERIFY a flow path DOES NOT exist from the nuclear to conventional header through Conventional Service Water Pump 2A Discharge Valves by performing the following:
a. PLACE the breaker control switch in the OFF position for Conventional Service Water Pump 2A Discharge Valve To Conventional Header, 2-SW V13. at MCC 2PA compartment E07.

BS E P- 2/ AS S D- 15 Page 4 of 15 Rev. O

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b. PLACE the breaker control switch in the OFF position for Conventional Service Water Pump 2A Discharge Valve To Nuclear Header, 2-SW-V14, at MCC 2PA compartment E08.
c. VERIFY Closed OR Manually CLOSE Conventional Service Water Pump 2A TTscharge Valve to EITHER the Nuclear Header, 2 SW-V14 C) J, t Conventional Header, 2-SW-V13.
7. IF RBCCW Heat Exchangers Service Water Inlet Valve, 2-SW-V106 10(NNOT be operated from the RTGB, THEN Manually OPERATE 2-SW-V106.
8. IF Vital Header Cross-tie Valve, 2-SW-Vil8_CANNOT be operated Trom the RTGB, THEN Manually OPERATE 2-SW-Vil8.
9. IF operation of RHR service Water System is required AND RHR 3Frvice Water Booster Pumps are NOT available, THEN RTTER to OP-43.
10. IF operation of RCIC Steam Supply Inboard Isolation Valve, TIE 51 F007 is required AND power is NOT available from MCC 2XC, lHE;
a. PLACE the circuit breaker control switch in the OFF position for RCIC Steam Supply inboard Isolation ~ ~ ~

R S.L Valve, 2-E51-F007, at MCC 2XC compartment D54.

b. PLACE the circuit breaker control switch in the ON position for RCIC Steam Supply Line Isolation VaTve, 2-E51-F007, ( ASSD FEED) at MCC 2XD compartment DYl.
c. IF 2-E51-F007 is required to be Open, THEN PLACE the 10fSD Keylock Control Switch in the OPEN position, at MCC 2X0 compartment DY1.
d. IF 2-E51-F007 is required to be Closed. THC.N PLACE the 10550 Keylock Control Switch in the CLOSE position, at MCC 2XD compartment DYl.
11. IF operation of RCIC Tarbine Exhaust Vacuun Breaker Valve, 77E51-F062, is required AND power is NOT available from MCC 2XA, THEN
a. PLACE the circuit breaker control switch in the OFF '

position for RCIC Turbine Exhaust vacuum Breaker valve, 2-E51-F062, at MCC 2XA compartment DE4

b. PLACE the circuit breaker control switch in the ON position for RCIC Turbine Vacuum Breaker Valve, ~~~

2-E51-F062, ( ASSD FEED) at MCC 2XD compartment DW2.

BSEP 2/ ASSD-15 Page 5 of 15 Rev. O

I f IF 2-E51-F062 is required to be Open, THEN PLACE ASSD c.

i Wylock Control Switch in the OPEN position .at MCC L -2XD compartment DW2.

d. IF 2-E51-F062 is required to be Closed. THEN PLACE the TSSD Keylock Control Switch in the CLOSE position, at-MCC 2XD compartment DW2.
12. IF operation of RHR Suction Isolation Valve, 2-E11-F009 is Wquired AND power is NOT available from MCC 2XA, THEN
a. VERIFY OFF OR PLACE the circuit breaker control switch in the '6TF position for RHR. Suction Isolation Valve, 2-E11-FT69, at MCC 2XA compartment OH3.

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b. PLACE the circuit breaker' control switch in the ON  !

position 'for RHR Suction Isolation valve, 2-E11-T009,

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( ASSD FEED) at MCC 2XD compartment DX5. l

c. IF 2-E11-F009 is required to be Open, THEN PLACE Valve Rose /Of f/Open ASSD Feed Keylock Switch in the OPEN position, at MCC 2XD compartment DX5.

i d. IF 2-E11-F009 is required to. be Closed. THEN PLACE the

! Uose/Ot./Open ASSD Feed Ke[.bck Switch in the CLOSE l position, at MCC 2XD compartment DX5.

13. WHEN the fire has been extinguished, THEN "0 pea" remaining doors, per Attachment 1, for additional ventilation, 88.1
14. WHEN the Shif t Fo eman determines:
a. Conventional Service Water Pump 2A Discharge Valves can be operated from normal controls THEN (1) PLACE the breaker control switch in the ON -

position for Conventional Service Water Pump 2A Discharge Valve To Conventional Header, 2-SW V13, at MCC 2PA compartment E07.

/

Ind/Ver

~ ~ (2) PLACE the breaker contrni switch in the ON ~

cosition for Conventional Service Water Pump 2A Discharge Valve To Nuclear Header, 2 SW-V14, at MCC 2PA compartment E08.

/

Ind/Ver

b. Power is available from MCC 2XC for operation of RCIC Steam Supply Inboard Isolation Valve, 2-E51-F007. THEN BSE P-2/ A550- 15 Page 6 of 15 Rev. 0

(1) PLACE the circuit breaker control switch in the ON position for RCIC Steam Supply Inbo'ard Isolation Valve, 2-E51-F007, at MCC 2XC compartment DSA.

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Ind/Ver (2) PLACE the circuit breaker control switch in the OFF position for RCIC Steam Supply Line Isolation valve, 2-E51-F607, ( ASSO FEED) at MCC 2XD compartment DYl.

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Ind/ Ver

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( 3) PLACE tne ASSD Keylock Control Switch in the OFF position, for RCIC Steam Supply Line'Tsola tion Valve , 2-E51-F007, a t MCC 2XD compartment DYl.

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Ind/Ver

c. Power is available from MCC 2XA for operation of RCIC Turbine Exhaust Vacuul Breaker Valve, 2-E51-F062. TRTh (1) PLACE the circuit breaker control switch in the ON position for RCIC Turbine Exhaust Ref,1 Vacuu~ Breaker Valve, 2-E51-F062, at MCC 2XA compartment DE4.

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Ind/Ver (2) PLACE the circuit breaker control switch in the OFF position for RCIC Turbine Vacuum Breaker Valve, 2-E51 F062, ( ASSD FEED) at MCC 2XD compartment DW2.

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Ind/Ver

~~ ( 3) PLACE the A*SD Keylock Control Switch in the OFF position for RCIC Turbine Vacuum Breaker Valve, 2-E51-F062, at MCC 2XD compartment DW2.

/

Ind/Ver BSEP-2/ ASSD- 15 Page 7 o f 15 Rev. O

d. Power is available from MCC 2XA for operation of RHR Suction Isolation Valve, 2-E11-F009. THEN (1) PLACE the circuit breaker control switch in t!.e ON position for RHR Suction Isolation Valve 2-E11-F009, at MCC 2XA compartment DH3.

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Ind/Ver (2) PLACE the circuit breaker control switch in the OFF position for RHR Suction Isolation valve, 2-E11-F009, ( ASSD FEED) at MCC 2XD compartment DX5.

/

Ind/ Ver

( 3) PLACE the Close/Of f/0 pen ASSD Keylock Switch in the OFF position for RHR Suction Isolation Valve, 2-E11-F009, at MCC 2XD compartment DX5. ~

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Ind/Ver

e. Reactor Water Level indicator, 2-B21-L1-R604BX, is no longer required, THEN PLACE Reactor Water Level "NORMAL / LOCAL" swTt'ai, 2-B21-CS-3345 at the Remote Shutdown Panel, to the "Normal" position.

/

Ind/Ver

f. WHEN Diesel Generator Building doors that were opened / blocked open for Diesel Generator 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

15. WHEN:
a. The fire is 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 and maintain Cold Shutdown, THEN
d. EXIT this procedure.

BSEP 2/ ASSD-15 Page 8 of 15 Rev. O

Date/ Time Completed Performed By (Print) Initials Reviewed By:

Shift Foreman R B.1.

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BSEP.2/ ASS 0-15 Page 9 of 15 Rev. 0 '

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BSEP-2/AS50-15 Page 12 of 15 Rev. O

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l 3SEP-2/ ASS 0-15 Page 14 of 15 Rev.0l

DIESEL GENERATOR YENTILATION

1. OPEN/Bl.0CK OPEN doors identified on drawing below, EXCEPT doors #106 _, #107 , #108 , #109 .
2. BLOCK OPEN doors using door wedge blocks.

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3. WHEN the fire has been extinguished, OPEN doors #106 , #107 , #108 , #109 , for i additional ventilation.

ATTACHMENT 1 Diesel Generator Butiding Door Position For l Diesel Cell Ventilation i

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BSEP-2/AS50-15 Page 15 of 15 Rev. d-

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