ML20006E025
| ML20006E025 | |
| Person / Time | |
|---|---|
| Site: | River Bend  |
| Issue date: | 02/02/1990 |
| From: | GULF STATES UTILITIES CO. |
| To: | |
| Shared Package | |
| ML20006E023 | List: |
| References | |
| NUDOCS 9002160094 | |
| Download: ML20006E025 (2) | |
Text
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ENCLOSURE j
E Revised Attachment 3 Page i
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ATTACHMENT 3 T0-NPF 47 TDI DIESEL ENGINES REQUIREMENTS GSU shall comply with the following requirements related to the T.DI diesel
.l ergines.
I 1.
Change to the maintenance and surveillance program for the TDI diesel engines, as identified and approved by the NRC staff in Supplement 3 to the SER, shall be subject to the provisions of 10 CFR 50.59.
The frequency of the major engine overhauls referred to in the Itcense conditions below shall be consistent with Section IV.1. " Overhaul Frequency" i:: revit ton 2 of Appeiidix II of the Design Review / Quality Revalidation report which was transNitted by letter dated May 1, 1986, from J. George. Owners Group, to H. Denton, NRC.
2.
Crankshafts shall be inspected as follows:
SD 18: During the first refueling cutage, inspect the fillets and of f holes of the three most heavily loaded crankpin journals (Nos. 5, 6, and 7)withflorescentliquidpenetrantandETasappropriate.
SD 1A and 18:
Durin the second d M 'cd refueling outa l
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the fillets and oil koles of two.of the three most heavilfeefinspec loaded crankptn journals in the manner just mentioned.
g ning gitlh SD 1A and 18: At approximate 5 year intervals :_J1 thf third refueling outage, inspect the fillets and oil holes using florescent a three most heavily liquid penetrant and ET.as appropriate, of the : loaded crankpin jour between crankpin journals 5, 6 and 7.
One engine may be inspected at the refueling outage closest to 5 years, and the other engine at the next r
refueling outage.
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.If cracks are found during inspections of crankshafts, this condition shall be reported promptly to the NRC staff and the affected engine shall be considered inoperable. The engine shall not be restored to operable l
status" until the proposed disposition and/or corrective actions have j
been approved by the NRC staff.
3.
Cylinder blocks shall be inspected for " ligament" cracks, " stud-to-stud" cracks and " stud-to-end" cracks as defined in a report
- by Failure Analysis Associates Inc. (FaAA). entitled, " Design Review of TDI R-4 and i
RV-4 Series Emergency Diesel Generator Cy1.inder Blocks" (FaAA report no.
FaAA-84-9-11.1) and dated December 1984 (Noted that the FaAA report specifies additional inspections to be performed for blocks with "known" l
This report was transmitted to,H. Denton, NRC, from C. t.. Ray, Jr., TDI I
Owners Group, by letter dated December 11, 1984.
RECElVED NOV IS 1987 a nhent u
,SDC
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