ML20248H974

PNO-78-085:on 780417,high Winds,Not Classified as Tornado by Weather Bureau,Caused Extensive Damage at Grand Gulf Nuclear Site.Several Cranes Fell Damaging Partially Erected Cooling Tower & Containment Liner

ML20248H974
Person / Time
Site:	Grand Gulf
Issue date:	04/18/1978
From:	Dreher F, Moseley N, Reinmuth G NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
To:
References
PNO-78-085, PNO-78-85, NUDOCS 9806080334
Download: ML20248H974 (1)

Text

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PRELIMINARY NOTIFICATION bMb)9 April 18,1978 PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE--PNO-78-85 T )reliminary notification constitutes EARLY notice of an event of P_his OSSI 3LE safety or public interest significance. The information presented is as initially received without verification or evaluation and is basically all that is known by IE staff on this date.

Facility: Mississippi Power and Light Company Grand Gulf, Unit Nos.1 and 2 Docket Nos.: 50-416 and 50-417 Grand Gulf, Mississippi

Subject:

HIGH WIND DAMAGE At 11:00 p.m., on April 17 high winds, not classified as a tornado by the Weather Bureau, caused extensive damage at the Grand Gulf nuclear site. Two units are under construction at this time. Unit No. 1 is -

50% complete. Unit No. 2 is 10% complete. i Several cranes fell damaging a partially erected cooling tower and a d partially erected containment liner. Several construction trailers and ,

shacks were completely destroyed. The 500 KV switchyard was damaged I

( extensively. The building used to store the Unit No.1 reactor inter- l nals was destroyed exrosing the internals. Certain warehouses and administrative buildings experienced extensive wind and water damage.

Six workers were injured, but the extent of their injuries is not known.

No deaths have been reported. The licensee did not know the damage in the surrounding area. The licensee is evaluating the extent and significance of the site damage.

The licens;) is responding to media inquiries. The State of Mississippi has been informed. A news release is not planned by the licensee nor NRC.

Region II (Atlanta) received notification of this occurrence by telephone from the licensee at 10:30 a.m. on April 18.

Contact:

FADreher, IE 27551 GWReinmuth, IE x27551 NCMoseley, IE x28489 Distribution: Transmitted H St 2-.'l-7 Chairman Hendrie Commissioner Bradford Commissioner Kennedy S. J. Chilk, SECY C. C. Kammerer, CA Commissioner Gilinsky (For Distribution) g Transmitted: MNBB 2 U- P Bldg ?', O E. Volg u, IE L. V. Gossick, EDO E. G. Case, NRR Region M S. H. Hanauer, EDO l

4 J. J. Fouchard, PA SS Bldg M f > (MAIL) l R. Hartfield, MIPC C. V. Smith, NMSS T. J. McTiernan, 01A R. G. Ryan, OSP R. Minogue, SD H. K. Shapar, ELD

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