ML19344B555
| ML19344B555 | |
| Person / Time | |
|---|---|
| Site: | South Texas  |
| Issue date: | 10/01/1980 |
| From: | Oprea G HOUSTON LIGHTING & POWER CO. |
| To: | Seyfrit K NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV) |
| References | |
| 10CFR-050.55E, 10CFR-50.55E, ST-HL-AE-552, NUDOCS 8010210452 | |
| Download: ML19344B555 (4) | |
Text
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5 The Light company n._..., u e,-_
m 8. s imu n.,_.....m. m,i aom8.gii October 1,1980 ST-:,L-AE-552 SFN: V-0530 Mr. Karl Seyfrit Director, Region IV Nuclear Regulatory Commission 611 Ryan Plaza Drive, Suite 1000 Arlingto., Texas 76012
Dear Mr. Seyfrit:
South Texas Project Units 1&2 Docket Nos. STN 50-498, STN 50-499 Second Interim Report on the Deficiency Concerning the ECW Gantry Crane seismic Analysis On May 29, 1980, Houston Lighting & Power Company notified your office of a potentially reportable deficiency concerning seismic qualification of the Essential Cooling Water Intake Structure (ECWIS) gantry crane and the Diesel Generator Fuel Oil Storage Tank. The Safe Shutdown Earthquake (SSE) response spectra values used in designing the two components were determined by mul-tiplying the Operating Basis Earthquake (0BE) values by 1.5 (as stated in the l
crane specification) rather than by a factor of 2.0.
The factor of 2.0 should have been used in order to envelop the actual required SSE response spectra.
The l
following discussion provides the present status of the subject deficiency.
As stated in our June 26, 1980 First Interim report calculations are in progress to detennine the acceptability of the subject crane and storage tanks based on the correct SSE values. Completion of this work is not expected until later this year. Thus, the next report on this deficiency will be submitted by January 22, 1981.
If there are any ouestions concerning this item, please contact Mr. Michael E. Powell at (713) 676-8592.
Very truly yours, Os 4 '
.L-G. W. Oprea, Jr.
Executive Vice President 0 210 + 5 2_
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' October 1,1980 ST-HL-AE-552 SFN: V-0530 ace 2 cc:
JD. G. Barker Howard Pyle R..L. Kaldrop.
H. R. Dean D. R.-Beeth' J.
D.~ Parsons L. K. English A. J. Granger R.'A.
Fra:ar H. S. Phillips (NRC)-
J. 0. Read (Read-Poland, Inc.)
'M.' D. Schwar:
(Baker 6 Botts)
L-R.'Gordon Gooch (Baker 6 Botts)
J. R. Newman (Lowenstein, Newman, Reis, Axeltad 6 Toll) l:
Direct _or, Office of Inspection ~6 Enforcement Nuclear Regulatory Commission Washington, D..C.
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' October 1,1980 ST-HL-AE-552 SFN: V-0530 Page 3
- M. L. Borchelt-Executive Vice President Central Power 6 Light Company P. O. Box 2121 Corpus Christi, Texas 78403-4 R. L. Range Central Power 5 Light Company P. O. Box 2121
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Corpus Christi, Texas 78403 R. L. Hancock-
- Director of Electrical Utilities CityLof Austin:
P. 0.' Box 10SS Austin, Texas' 78767 T.-H. Muehlenbeck
-City,of Austin P. 0. Box 10SS Austin, Texas-7S767 J. B.'-Poston Assistant General Manager of Operations-City Public Service Board P. O. Box 1771 San. Antonio,. Texas 78296 A. vonRosenberg.
City Public Service' Board P. O. Box'1771 San Antonio, Texas 78296 e
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Ilomton Lighting & Power Compam
. 0ctober 1,1980 ST-HL-AE-552 SFN: V-0530 Charles Bechoefer, Esquire Page 4 Chairman. Atomic Safety 6 Licensing Board U. S. Nuclear Regulatory Commission Washington, I. C. 20555 Dr. James.C. Lamb, III 313 Woodhaven Road Chapel Hill, North Carolina 27514 Dr. Emmeth A. Luebke Atomic Safety 6 Licensing Commission U. S. Nuclear Regulatory Commission Washington, D. C.
20555.
Steven A. Sinkin, Esquire 116 Villita Street San Antonio,. Texas 78205 Citi: ens for Equitable Utilities c/o Ms.' Peggy Buchorn Route 1, Box 432 Bra:oria, Texas 77422 Richard W. Lowerre, Esquire i
Assistant Attorney General for the State of Texas P. O. Box 12548 i
Capitol Station i
Austin, Texas 78711 Bernard M. Bordenick Hearing Attorney Office of the Executive Legal Director U. S. Nuclear Regulatory Commission Washington, D. C. 20555