ML20009C829
| ML20009C829 | |
| Person / Time | |
|---|---|
| Site: | Nine Mile Point  |
| Issue date: | 01/20/1978 |
| From: | Dise D NIAGARA MOHAWK POWER CORP. |
| To: | Goller K Office of Nuclear Reactor Regulation |
| Shared Package | |
| ML20009C827 | List: |
| References | |
| NUDOCS 8107220025 | |
| Download: ML20009C829 (3) | |
Text
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- s M Y NIAGARA RUMOHAWK canaec P Cese NIAGARA MOH WK PoWEA CORPORATION /'C0 E%E SCULEVARD WEST SYRACUSE, N Y 13202/ TELEPHONE (315) 474-1511 Vic) 'MS; dent Engineenng January 20, 1978,
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- A Director of Nuclear Reactor Regulation 4ljlPeer Attn:
Mr. Karl R. Goller
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. f' Assistant Director of Operating Reactors Division of Operating Reactors
%C.M U. S. Nuclear Regulatory Commission Washington,.D. C.
20555 Re:
Nine Mile Point Unit 1 Docket No. 50-220 DPR-63 Gentlemen:
Your letter of December 15, 1977 requested information concarning the emergency diesel generators at Nine Mile Point Unit 1.
It was requested that available information be supplied by January 20, 1978.
At the present time, only a partial response to your request can be made.
A partially-completed questionnaire is attached.
A completed questionnaire will be supplied by February 20, 1978.
Very truly yours, NIAGARA MOFXJK P0rrR CORPORATION
- b.,4 A. 'i
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Donald P. Dise Vice President-Engineering I.
f-8107220025 810709 E
PDR ADOCK 05000220
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I S. - Are any foreien cases such as propane, freon, halon, carbon dioxide, etc. stored in the:
Diesel Engine roem?
Yes No
-X or adjacent buildings? Yes No X 1
If yes, (other than hand portable fire extinguishers), then identify gases and give approxicate tank size.
3 Gases Volume (ft )
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i 8
1 T.
Does control system automatically bypass, in emergency i
starting, any engine temporarily out of service for maintenance? Yes No X
. Bere is only cne diesel generator
' cn each emergency bus.
a
,{
If yes, then how many failures to bypass have occured?
U.
Does the control system aut:matically override the test mode under emergency conditions? Yes X No V.
Have repetitive mechanical failures occurred in any c =ponent part or subsystem of the engine, generator, or switch gear, etc.?
Yes No X
If yes, then which part or subsystem?
How many failures?
Give na*wre of failure.
W.
Would periodic (yearly or other) evaluation and/cr testing by "outside experts" contribute significantly to the ciesel-generator reif acility? Yes X
No Give brief reasons for the answer. Se vender se /iceran is core likely to spot developing trcuotes, & a sc cs
'rmcwlecce or currenc t::u.: orcoler.s en seiar tru.:s.
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1.
Give the accumulated time-load ocerating record for each diesel-generator unit from installation to the present (Running Hours):
Preoperational test Date 7/69
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Engine Sury. Testing & :
Emergency Total j-
- Serial No. :
Maintenance Hrs. :
and Other Hours No load : Loaded :
Service Hrs. :
^
l 102 20*
$ 200*~
290**
i510*H 510 *
.j 103 20*
- 200*
290**
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.-1 b
2.
Surveillance test load (percent of continuous rating) 100
- 3. -Give the projected or clanned time-load c::eration for each diesel-generator unit auring tne next 12 montas.
- Surveillance &
Emergency Total
- Maintenance Mrs. :-
and other :
Hours
- Service Hrs. :
. I hr/conth i per unic 2L ncne
.4.
Provide the follcwing summarf of the periccic surveillance testing experience:
l a.
Starting date of surveillance testing (OL date) 8/69 b.
Periodic test interval centhly c.
Total numcer of surveillance tests performed 129 d.
Total nuacer of test failures ncne failure to start ncne failure to accept load ncne failure to carry loac nene failures cue to c::erator error ncne failure due to equi;nen: not oeing operative curing emergency conditions ncne Supply a copy of the surveillance test procecuras wi*M s /04 e.
s ccmoleted ouestionnaire.
Request prececures L. and 7
fra:2 Nine Mile Point, T. J. Perkins-Superintendenc.
I 2.ese are estica:ed hcurs.
- 'ni.s wra used fcr peakins; prior to operaticn.
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