ML20069J641

Forwards Scenario for 821014 small-scale Emergency Preparedness Exercise

ML20069J641
Person / Time
Site:	Robinson
Issue date:	09/02/1982
From:	Zimmerman S CAROLINA POWER & LIGHT CO.
To:	Stohr J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
NUDOCS 8210250202
Download: ML20069J641 (5)

Text

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Carolina Power & Light Company September'2, 1982 Regional Administrator United States Nuclear Regulatory Commission Region II 101 Marietta Street, N.W. , Suite 3100 Atlanta, GA 30303 ATTENTION: Mr. J. Philip Stohr, Director Division of Emergency Preparedness and Operational Support H. B. ROBINSON STEAM ELECTRIC PLANT, UNIT NO. 2 DOCKET No. 50-261 LICENSE NO. DPR-23 SMALL SCALE EXERCISE SCENARIO DESCRIPTION l

Dear Sir:

As indicated in our letter dated July 13, 1982, a small scale emergency exercise is schedaled to ba renductad B. Robinson Plant (HER), Hartsville, South Carolin on October 14, 1982.

Carolina Power & Light Company (CPsL) ereby submits three (3) copies of the scenario for the October 14, 1982 Emergency Preparedness Ex ed or tne BBR Flant. This sc W 1 require participation by the plant emergency organization, the corporate em organization, and the local county government emergency organization.

Re_would appreciate your expedirie eview and concurrence with this scenario. This will enable us to proceed with the preparation of the detailed exercise plan.

If you should have any questions concerning this information, please contact cur staff.

Yours very truly, OriEinal Signed By

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S. R. Zirc:r rrna S. R. Zimmerman Manager Licensing & Permits DCS/ mag (4026 CST 2)

' ' cc : Mr. B. K. Grimes (NRC-IE, Headquarters) l 8210250202 820902 PDR ADOCK 05000261 F PDR e Street

• P. O. Box 1551

• Raleigh, N. C. 27602 g 5*cn" T r T W r. L e r f3 m g r e r;  ![h5

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11. B. Robinson .

Emergency Preparedness Exercise October 14, 1982 i .

TIME EMERGENCY CLASS EVENTS

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0800 Normal Unit #2 oparating at 70 percent power. Approximately 2 weeks into the ninth fuel cycle. Integrated leak test completed orior to startup.

Ilydrogen delivery truck located on owner controlled area to deliver liydrogen.

0805 Unusual Manual containment station air isolation valve found open.

Event 0810 Auxiliary operator sent to close isolation valve falls requiring offsite hospitalization.

0900 Air ejeccor monitor readings increasing indicating a small primary to secondary leak.

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i H. B. Robinson ,

i Emergency Preparedness Exercise

October 14, 1982 (Cont'd)

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TIME EMERGENCY CLASS EVENTS -

0930 Chemistry reports secondary liquid activity >0.10 pCi/al.

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0935 Alert Falling pressurizer pressure and level with decreasing TAVE and primary to secondary leak rate >77 GPM. Secondary to atmosphere leak nonisolatable causing offsite radiological release. '

i 1 0936 MSL1V fails to close

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1000 Site Emergency Chemist reports reactor coolant activity to be >1.0 pCi/ml. 1-131 (or equivalent if secondary is sampled).

1005 Site Emergency , Chemist gets reactor coolant in eyes and ears.

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H. B. Robinson -

. Emergency Preparedness Exercise

, October 14, 1982 (Cont'd)

TIME EMERGENCY CLASS EVENTS i

1030 Inquiry f rom press - Press release to be made at site.

1100 MSLIV to affected generator closed.

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. 1130 Ilydrogen delivery truck crashes into Unit #2 intake structure and catches fire.

1145 Site Emergency Fire at intake structure disables 2 circulating water pumps. Only remaining pump has unusual noise level, t 1200 Fire Fighter injured.

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II. B. Robinson -

Emergency Preparedness Exercise October 14, 1982 (Cont'd)

TIME EMEKCENCY CLASS EVENTS 1215 Fire out 1300 Site Emergency Ilydrogen gas leaking f rom wrecked truck at unit 2 intake building.

1430 Hydrogen leakage stopped or hydrogen truck moved.

1500 circulating we.ter pumps repaired and returned to service.

1505 Exercise terminated.

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