ML20155J197: Difference between revisions

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#REDIRECT [[TXX-4801, Final Part 21 & Deficiency Rept CP-86-28 Re Gibbs & Hill non-nuclear Safety Classification of Svc Water Discharge Piping.Initially Reported on 860414.Issue Not Reportable Under 10CFR50.55(e)]]
| number = ML20155J197
| issue date = 05/14/1986
| title = Final Part 21 & Deficiency Rept CP-86-28 Re Gibbs & Hill non-nuclear Safety Classification of Svc Water Discharge Piping.Initially Reported on 860414.Issue Not Reportable Under 10CFR50.55(e)
| author name = Counsil W
| author affiliation = TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
| addressee name = Johnson E
| addressee affiliation = NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
| docket = 05000445, 05000446
| license number =
| contact person =
| case reference number = REF-PT21-86, REF-PT21-86-187-000
| document report number = CP-86-28, PT21-86-187, PT21-86-187-000, TXX-4801, NUDOCS 8605220094
| document type = DEFICIENCY REPORTS (PER 10CFR50.55E & PART 21), TEXT-SAFETY REPORT
| page count = 1
}}
 
=Text=
{{#Wiki_filter:-                                                                              Log # TXX-4801
      .                                                                                    File # 10110 909.2 TEXAS UTILITIES GENERATING COMPANY SKYW AY TOWER . 400 NORTP OLIVE KTREET.1.B. 81
* DALLAN. TEXAB 78301 May 14,1986                      _
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                                                                                  ~
Mr. Eric H. Johnson, Director                                                        MAY I 6 I E A i Division of Reactor Safety and Projects                                      \\                  jb' U.S. Nuclear Regulatory Commission                                          ;
uL 611 Ryan Plaza Drive, Suite 1000                                                                    --
Arlington, TX 76012
 
==SUBJECT:==
COMANCHE PEAK STEAM ELECTRIC. STATION DOCKET NOS. 50-445 AND 50-446 SERV CE WATER DISCHARGE PIPING SDAR: CP-86-28 (FINAL REPORT)
 
==Dear Mr. Johnson:==
 
On April 14, 1986, we verbally notified your Mr. T. F. Westerman of a defi-ciency involving the non-nuclear safety classification of the service water piping located outside buildings. This evaluation is the result of a Part 21 notice provided to the NRC by Gibbs & Hill.
The subject piping was designed, purchased, and installed as Safety Class 3 and is entirely buried in a Class 1 backfill up to the discharge structure.
The piping is considered to be seismically supported thus seismic failure is not applicable. The actual change in classification was made after installation at the last weld in the buried portion of the pipe approximately 40 feet from the point of discharge. This change in classification will not compromise the service water system's ability to provide safety related cooling. Even considering a moderate energy leakage crack in the non-safety portion of the piping, any leakage would flow downhill to the Safe Shutdown Impoundment. Therefore, this non-safety portion of piping is not a cause for a plant safety concern. We have concluded that this issue is not reportable under the provisions of 10CFR50.55(e). Records supporting this determination are available for your inspectors to review at the CPSES site.
Very truly yours, 8605220094 860514'-5 PDR    ADOCK 0500                                                /
s                          "
W. G. Counsil JCH/arh c - NRC Region IV (0 + 1 ccpy)
Director, Inspection & Enforcement (15 copies)
U. S. Nuclear Regulatory Commission Washington, D.C. 20555 A DEVIS10N OF TEXAS tit 1LETTES E12CTERC COMPANY
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