ML20063N877
| ML20063N877 | |
| Person / Time | |
|---|---|
| Site: | Washington Public Power Supply System |
| Issue date: | 09/15/1982 |
| From: | Root R WASHINGTON PUBLIC POWER SUPPLY SYSTEM |
| To: | Sternberg D NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V) |
| References | |
| 10CFR-050.55E, 10CFR-50.55E, GO1-82-0565, GO1-82-565, NUDOCS 8210070338 | |
| Download: ML20063N877 (2) | |
Text
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Docket Nos. 50-460/513 50.55(e) Report
,D Washington Public Power Supply System P.O. Box 968 3000 George Washington Way Richland, Washington 99352 (509)372-5000 72 E;' l' l3 l p r,
- DOCKET NOS. 50-460 AND 50-513 Septeter 15,1982 G01-82-0565 Nuclear Regulatory Commission Region V 1450 Maria Lane, Suite 210 Walnut Creek, California 94596 Attention :
Mr. D. M. Sternberg Chief, Reactor Projects Branch No.1 Subj ect:
NUCLEAR PROJECT NOS.1 AND 4 REPORTABLE CONDITION EMERGENCY DIESEL GENERATOR GOVERN 0R LUBE OIL COOLER
Reference:
1)
Telecon MR Rodin, Supply System to PP Narbut, Region V, Nuclear Regulatory Commission, dated January 26, 1982.
2)
Letter, DW Mazur, Supply System to RH Faulkenberry, NRC, dated February 26, 1982.
3)
Letter RW Root to RH Faulkenberry, same subject, G01-82-0150, dated April 20, 1982.
In reference 1) the Supply System informed your office of a reportable defi-ciency under 10CFR50.55(e) and references 2) and 3) were interim reports on the subject condition.
Attachment A to this letter, provides an interim report on the subject defi-ciency. The attachment includes some additional information under the heading Corrective Action. Based on the WNP-1 construction delay, the required cor-rective action will not be implemented until sometime af ter restart.
When that date becomes known we will so inform your office and a final report will then be provided following completion of the rework.
If you hav.e any questions or desire further information, please advise.
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R. W. Root Acting Program Director RWR:LC0:mb Attachment i
cc: JP Laspa, Bechtel 860 V Mani, UE&C 897 JD Bateman, UE&C 895 b
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ATTACHMENT A WNP-1/4 DOCKET NOS. 50-460 AND 50-513 REPORTABLE CONDITION PER 10CFR50.55(e)
EMERGENCY DIESEL GENERATOR GOVERN 0R LUBE OIL COOLER BACKGROUND The Supply System purchased Emergency Diesel Generators, two per plant, from Transamerica Delaval. A problem exists in the Governor Labe Oil Cooler Asseia-bly which could result in loss of engine availability.
Transamerica Delaval has reported this deficiency under the recuirements of ICCFR Part 21.
The Governor and Governor Lube Oil Cooler were manufactured by Woodward Gover-nor Company of Fort Collins, Colorado and installed and piped on the engine by Transamerica Delaval.
DESCRIPTION OF THE DEFICIENCY The design deficiency is in the Governor Lube Oil System and concerns the orientation of the Governor and Lube Oil Cooler as installed on each engine.
If the Governor tube Oil C-er is installed above (elevation) the oil level of the Governor, as is the sase for Units 1 and 4 there is a possiblity of air being trapped in the system when the oil level in the Governor is low.
SAFETY IMPLICATIONS If air is trapped in the Governor's Oil System, engine starting reliability may be aff ected.
CORRECTIVE ACTION The deficiency will be eliminated by moving the Governor Lube Oil Cooler to an elevation below the Governor oil level. Transamerica Delaval has issued detailed drawings and instructions to the Supply System. A field change has been prepared and approved by the Architect Engineer. Actual rework of the system, by the site mechanical installation contractor, will be completed af ter construction restart.
Upon completion of the rework, Project QA will verify that the relocation of the lube oil cooler is in accordance with the Delaval instructions and drawings.
The new location of the lube oil cooler has already been incorporated in the design drawings.
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