ML20195H805
| ML20195H805 | |
| Person / Time | |
|---|---|
| Site: | Comanche Peak  |
| Issue date: | 01/12/1988 |
| From: | Counsil W, John Marshall TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC) |
| To: | NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM) |
| References | |
| CP-87-62, TXX-88001, NUDOCS 8801200356 | |
| Download: ML20195H805 (2) | |
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903.9 R'I' # 10CFR50.55(e) 1UELECTRIC January 12, 1988 wmien c.co n Executsve Voce f>esulent U. S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, D. C.
20555
SUBJECT:
COMANCHE PEAK STEAM ELECTRIC STATION (CPSES)
DOCKET NOS. 50-445 AND 50-446 CLASS 5 PIPE SUPPORTS SDAR:
CP-87-62 (SUPPLEMENTAL REPORT)
Gentlemen:
On September 30, 1987, we notified you by our letter, logged TXX-6731, of design deficiencies identified in the use of nomographs to design seismically supported Class 5 piping systems, which we deemed reportable under the provisions of 10CFR50.55(e). On January 4, 1988, we verbally notified your Mr. R. F. Warnick that certain corrective actions were still in progress and that a revised completion schedule would be provided by January 15, 1988.
In our last report TXX-6731 we noted that the following specifications and
,f procedures would be revised and/or issued by January 1, 1988.
A)
Specificction 2323-MS-46B will be revised to include appropriate criteria for the use of pomographs.
B)
Procedure ECE 5.05, "Design Drawings," will be issued to assure that configuration (consistent with the design documentation) is maintained.
C)
Design Basis Document DBD-CS-068, "Non-ASME Piping and Support Design,"
and procedures ECS 5.03-05, "Non-ASME Pipe Stress Analysis," and ECS 5.03-06, "Non-ASME Pipe Support Design," will be issued to assure Seismic Category II large bore pipe supports and the associated Class 5 piping are designed to acceptable and approved engineering criteria.
Our original completion date of January 1, 1988 5:as not met.
The above applicable specifications and procedures will be revised and/or issued by March 15, 1988.
8801200356 880112 PDR ADOCK 05000445 S
, p 400 North Ohve Street LB81 ikIlas. Texas 73.'01
w TXX-88001 January 12, 1988 Page 2 of 2 Recordsdocumentingthecompletionofthe.aboveactionswillbeavdilablefor your review at the CPSES site by May 18, 1988.
Very truly,.yours, N & Coun ssl W. G. Counsil-By:
J. S. Marshall Supervisor,
. Generic Licensing CBC/grr c - Mr. R. D. Martin, Region IV Resident' Inspectors,CPSES-(3) s l
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