ML20030B964
| ML20030B964 | |
| Person / Time | |
|---|---|
| Site: | South Texas  |
| Issue date: | 07/08/1981 |
| From: | Oprea G HOUSTON LIGHTING & POWER CO. |
| To: | Seyfrit K NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV) |
| Shared Package | |
| ML20030B958 | List: |
| References | |
| ST-HL-AE-691, NUDOCS 8108250257 | |
| Download: ML20030B964 (3) | |
Text
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The Light company n..msu.m u hm
._, ro n..a - n..msn.<>~ o - m y - n x
July 8,1981 ST-HL-AE-691 SFN:
V-0100 Mr. Karl Seyfrit Director, Reqion IV Nuclear Requlatory Conmission 611 Ryan Plaza Drive, Suite 1000 Arlington, Texas 16012
Dear Mr. Seyfrit:
South Texas Project Units 1 F. 2 Docket Nos. STN 50-498, STN 50-499 Review of F5AR 5ection 2.5.4 The South Texas Pro. ject (STP) FSAR Section 2.5.4, " Stability of Subsurface Material" has been reviewed in its entirety in view of the investigation of 5tructural Backfill conducted in response to Show Cause Iten 2.
The results of the backfill investiqation has previously been transnitted to your office by sepdrate Cover letter along with the Independent Expert Conmittees' " Final Report on the Adequacy of Category 1 Structural Backfill for the South Texas Project".
The FSAR review has in particular been f ocused on Section 2.5.4.5,
" Excavations and Backfill" (per the April 30, 1980 Show Causo Order).
The FSAR review discovered several itens that needed to be more clearly exnlained and ntnor editorial changes.
These changes were submitted as Anendnents 17 and 18 to the SIP F5AR.
Other information presently presented in the FSAR will be updated to include data developed during the Show Cause Order studies.
This forthcoming update will include the new statistical analysis results for backfill densities, together with additional data from the ongoinq qeotechnical instrumentation monitoring programs.
As described in the response to Show Cause Order Item 2h, the evaluations of the liquefaction potential conducted for design studies are applicable and valid f or the actuall_y used backfill material.
There are accordinaly no chanqes necessary f or FSAR Section 2.5.4.8 which discusses the liquef action studies.
No changes other than those listed above have been identified.
This letter constitutes our final submittal concerning Show Cause item 10.
0108250257 810817 PDR ADOCK 05000498 A
PDR i
Ilouston 1.ighting & h>wer Cornp.un July 8, 1981 ST-HL-AE-691 SFN:
V-0100 Page 2 If there are any questions concerning this matter, please contact Mr. J. W.
Briskin at (713) 676-8779.
Very truly yoi'rs, b
u G. W. Oprea, Jr.
Executive Vice President MEP/anj
s Ilouuon Lighting 2 Power Company July 8, 1981 cc:
J. H. Goldberg ST-4L AE-691 D. G. Barker SFN:
V-0100 C. G. Robertson Page 3 Howard Pyle R. L. Waldrop t
H. R. Dean D. R. Beeth J. D. Parsons J. W. Willians J. W. Briskin J. E. Geigar STP RMS H. S. Phillips (NRC)
J. O. Read (Read-Poland,Inc.)
M. D. Schwarz (Baker & Botts)
R. Gordon Gooch (Baker & Botts)
(Lowenstein, Newman, Reis, & Axelrad)
J. R. Newman Director, Of fice of li.spection & Enforcenent Huclear Regulatory Connission 4
Washington, D. C. 20555 1
Charles Bec5hoefer, Esquire M. L. Borchelt Chairman, Atonic Safety & Licensinq Board Piesident U. S. Nuclear Rcquiatory Connission Central Power & Light Company Washington, D. C.
20555 P. O. Box 2121 Corpus Christi, Texas 78403 Dr. James C. Lann, III R. L. Range 313 Woodhaven Road Central Power & Light Chapel Hill, North Carolina 27514 P. O. Box 2121 Corpus Christi, Texas 78403 Mr. Ernest E. Hill R. L. Hancock Director of Electrical Utilities Lawrence Livernore Laboratory Universi ty of California City of Austin P. O. Box 808, L-123 P. O. Box 1088 Livernore, California 94550 Austin, Texas 78767 Willian S. Jordan, III T.... Muehlenbeck Harnon & Weiss City of Austin 1725 1 Street, N. W.
P. O. Box 1038 Austin, Texas 78767 Suite 506 Washington, D. C.
20006 Lanny Sinkin 2
J. B. Poston Citizens Concerned About Nuclear Power Assistant General Mantier of Operations 5106 Casa Oro City Public Service Board San Antonio, Texas 78233 P. O. Box 1771 San Antonio, Texas 78296 Citizens for Equitable Utilities, Inc.
A. vonRosenberg City Public Service Board c/o Ms. Peqqy Buchorn Route 1. Box 1684 P. O. Box 1771 San Antonio, Texas 78296 Brazoria, Texas 77422 Brian E. Berwick, Esquire Jay Gutierrez, Esquire Assistant Attorney for the State of Texas Hearing Attorney P. D. Box 12548 Office of the Executive Legal Director Capitol Station U. S. Nuclear Regulatory Connission Austin Texas 78711 Washinoton. D. C.
70555 7-2-81