L-78-207, Forwards Response to Re Reliability of Standby Diesel Generator Units

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Forwards Response to Re Reliability of Standby Diesel Generator Units
ML17212A361
Person / Time
Site: Saint Lucie NextEra Energy icon.png
Issue date: 06/16/1978
From: Robert E. Uhrig
FLORIDA POWER & LIGHT CO.
To:
Office of Nuclear Reactor Regulation
Shared Package
ML17212A360 List:
References
L-78-207, NUDOCS 8107210127
Download: ML17212A361 (4)


Text

t Enclosure 3

P. O. BOX 013100, MIAMI

~ PI 33'101 Jp C

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cLORIOA POVIER h I.IGHT COMPANY June 16, 1978 L-78-207 Director of Nuclear Reactor Regulation U.

S

~ Nuclear Regulatory Commission Washington, DC 20555

Dear Sir:

Re:

St. Lucie Unit No.

1 Docket No. 50-335 Diesel Generator Tnformation The attached information is submitted in resaonse to a letter from Karl R. Goller dated December 15, 1977.

Very truly yours,

~'~ ~

~ ~m~~

Robert E. Uhrig Vice President RZU/mS/bb Attachment cc:

Nr. James P. O'Reilly, Region ZI Harold F. Reis, Esquire

"~i 7'3005 i 81072iOi27 Bi070'P

~ PDR

  • DOCK 0800033S I, F PDR i

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~

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s S.

Are an! foraion oases suck as propane, freon, halon, c roon dioxide, etc.

s tored in the:

Diesel Engine room?

Yes No or adjacent buildings'?

Yes No x

Gases If yes, (other than hand portable fire extinguishers),

th n

identify gases and give approximat tank size.

Volume (ft )

T.

Does control sys m autcmatically bypass, in em rgency

starting, any engine temporarily out of service for maintenance?

Yas lio x

I-. yes, tf en how many failures to bypass have occured?

Y.

Tive are 4

vote: QKQBxgers

~mt

'Yc'w, any 3 flu es?

? abc

~

~

gf

~

am e

care Give nature of failure.

alar+~ar a 1

@y ces"gn).

ai 20Q m, LK ~aB 1 011 pup rM."m cetyl~ ar'mrna.

Desi'nance i~l~nt~

~

1 a

sm ~a~~

bms i bcarg+~le Ce'mme 335-77-42,. follcwup remr" 41, of S/1S/78 Does the control system automatically override the test mode under emergency conditions?

Yes No x

Have repetitive mechanical failures occurred in any component part or sub+s'iM of the engi ie, generator, or s~i tch gear, e.c. 7 Yes a

Tuzhc-chzge~?

less of lcbricaticn e If ves, then which part or subsyst m.

tm-IGer l

W.

'Aould perioaic (yearly or other) evalua ion and/or testing by "outside experts" con ribute significantly to the diesel-ganara or reliability?

Yas No Give brief reasons for the answer. Me have suf icien't knowledge M.

i i'i >>.

Y l r'-chara rs has confirmed

-in-house evaluation alluded to Y

o v

~

e i ~

X. l.

Give the accumulated time-load operating record for each diesel-generator unit from installation to the present (Running Hours):

Preoperational test Date 8-75 Engine

Serial No.:

Surv. Testing 6:

Emer gency:

Total t<aintenance Hrs.

and Other Hours No Load:

Loaded Service Hrs.

~

~10

~161:

~ 15 186 lB: ~3.0

~124:

~ 15 igQ s

4 e

e e

tOTE: Total Hours were read off nour meter emaining rough estimates.

Z.

Surveillance test load (percent of contimmns ratarrr) 3.

Give the projected or olarned time-load 'operation for each diesel-generator unit during the next 12 months.

numo are 95-100% a~~ 1-7S

Surveillanc
haintenance Hrs.

Emergency and other Se. vice Hrs.

Total Hours

~36

~36 r ~

P Qvide the fol 1owi ng summary of the periodic surveil lance testing experience:

a.

b.

c de Starting d=te of surveillance testing (QL date) 3>>1-76

'eriodic

" st int rval ~they'3.us ~~ S'~s Total numb r of surveillance tests perrormed 80*

5 SG>>

failure m start i ~ ~ki'lure to accept 1o d >- ~d tete ce-c". dtti' 5

E then turbo-aai'iure d ~ to equipment not being operative during emergency charger failed

~hindi tion-pmbl

.e.

Supply a copy oa the surve;llance test procedures with this cc"pleted auestionnaire.

gl r

hl