ML19208D885
| ML19208D885 | |
| Person / Time | |
|---|---|
| Site: | Grand Gulf  |
| Issue date: | 04/18/1978 |
| From: | Thomas C Office of Nuclear Reactor Regulation |
| To: | Boyd R Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 7910010673 | |
| Download: ML19208D885 (2) | |
Text
..
Q L
(
JJ>
f f,
April 18,1978 1
!1EliORA!OU!i FOR: Roger S. Boyd, Director, Division of Project l'anaccrcnt THRU:
John F. Stolz, Chief, Light Uater Reactors Branch I o.1, DPii FROM:
Cecil 0 Thorcac, Project Manager, Light Uater Reactors Branch i:o.1, DPli SUSJECT:
PRELIfilNARY REPORT OF !!IiG DAi7tGE TO GP29 GULF TJCLEAR STATION U!llTS 1 A'iD 2 This is to advise you of preliminary reports of wind damage sustained i
by the Grand Gulf tiuclear Power Station (located Claiborne County, j
~
fitssissippi, about 50 miles southwest of Jackson, liississippi) on the night of April 17, 1978. Grand Gulf is a two-unit CNR/6, !! ark III l
plant with steel-lined, concrete containment structures.
Construction of Units 1 and 2 are approximately 60 and 5 percent complete, respectively.
At 10:00 a.m. today, iir. Larry Dale of Itississippi Power and light Ccapany called to advise na that betueen 10 and 11 p.m. local time during the night of April 17, 1978.
a plant sustained considerable. -
I damage froa localized algi, winds (i '^ uch it is suspected that the dar. age was caused by i tornado, the '
al ucather bureau has not confinicd the presence of. ;.ornado).
The following danaga was reported:
r 1.
Unit 1 natural draft cooling tower, 3
2.
Unit containment liner damage by f.illing crane, t
3.
Unit 1 south tower crane fell, 4.
Unit 1 north tor:cr crar.e fell, 5.
Batch plant sustained severe damage, 6.
500 KV switchyard sustained severe damage, 7.
Construction trailers on the east side of the turbine t,uilding Vh dastroyed, k
8.
Building housing the Unit 1 reactor internals destroyed; interna s
(
A-PROSED.
1032 3
e 9.
Permanent spare parts warehouse destroyed, and w10
..0nly ninor iniuries were rgported; f. mover, four de ths were reportcd at a nearby tov t.
~ ~
- 773390371 em>
I f
1 - - ~.
.,.] M'? ' 1%.2 '*" 2'* _ _.,,?."'?:MK::::.2"? ???i,'ll* ^ ' }
p gy. y r}--
)h 7
FLASit I:0TE
,y The applicant's preliainary assessment reycaled that the damage to safety-related structu.es was apparently caused by falling cranes.
Mon-safety-related structures sustained considerable wind and water damage. t:0 r.ention was rade of any <!amage freu nissiles.
Tha applicant infomcd ra that Pylon II led Lecn advised of the situation and would be Lept infor.md as i.el! as us.
At 10:30 a.m. today, Mr. f.ltn Mcrdt of r,egica II called crA confirc 11 the cpplicant's prelininary appraisal.
The region is presently assessing the situation and will keep us advised.
/ 7 Cecil Thomas, Fraject P1 nager Light '. ater Reactors Dranch '.'o 1
Division of Profcct Panagc:..ent W'
cc:
B. Pusche E. Casa R. Doyd J. Miller R. I'.at tson R. DeYoung
.I, c
s ll. Denton i
~
D. Vassallo
/-
II. Berhou
.: 4
- 11. Mcdonald R. Denise W. Carnill D. Bunch Distribution:
Central Files LWR #1 Reading J. Stolz C. Thomas E. Hylton Gj s
e N.
--.g DPliLLWR_pl_
DPM: LWR #1_
3,,,o CJh6ms nl5~~ ~JStoli
._.s.o 4/18/13
,4/ a1 478 ccv m.,,,
L ac t onx
,t a (9 76) Nnot 02 40 U u:.. c c s c e.u t s r c.u.m. a w r ic o i ns - s 2 os:4 e.
~r-.,.-,..
,,,.. _. _,,