ML17257A497
| ML17257A497 | |
| Person / Time | |
|---|---|
| Site: | Ginna  |
| Issue date: | 07/20/1981 |
| From: | Crutchfield D Office of Nuclear Reactor Regulation |
| To: | Maier J ROCHESTER GAS & ELECTRIC CORP. |
| Shared Package | |
| ML17257A498 | List: |
| References | |
| REF-GTECI-A-44, REF-GTECI-EL, TASK-A-44, TASK-OR LSO5-81-07-053, LSO5-81-7-53, NUDOCS 8107290021 | |
| Download: ML17257A497 (24) | |
Text
Docket No.550-244 LS05-81-07-053 Mr. John E. Maier, Vice President Electric and Steam Production Rochester Gas
& Electric Corporation 89 East Avenue Rochester, New York 14649
Dear Nr. Maier:
July 20, 1981 P~)'big
Subject:
Information Request Regarding Station Blackout, Unresolved Safety Issue A-44, Ginna Nuclear Power Plant Unit 1 The NRC staff is currently addressing Unresolved Safety Issue (USI)
A-44, Station Blackout.
The purpose of this work is to establish the safety significance of an event resulting in a loss of all alternating current power and, if significant, to consider the need for any specific
~changes.
Over the past several years information requests have been forwarded which requested information that is being used in the USI analysis.
Your interest and cooperation in the past have been appreciated.
At this time the USI A-44 effort is being directed toward determining the reliability of the onsite standby diesel generators.
The enclosed questionnaire has been prepared to provide accurate operating experience to serve as a basis for such a determination.
More specifically, its purpose is to obtain more detailed data than were available in previous diesel generator studies such as AEC-OOE-ES-002, NUREG/CR-0660, and NUREG/CR-1362.
The questionnaire (enclosure
- 1) requests information in tabular form and solicits data for the years 1976 through 1980, inclusive.
There are four tables enclosed:
(1) Diesel Generator Operations Data, (2) Diesel Generator Scheduled Down Time Record, (3) Diesel Generator Unscheduled Down Time Record, and (4) Onsite Emergency Diesel Generator and Auxiliary Equipment Modification Record.
Also enclosed are examples of completed tables as well as a clarification of what should be entered.
Please note that, although it may appear that only Licensee Event Report (LER) information is sought, data on all diesel gener ator malfunctions, independent of whether an LER was prepared, is requested.
Please find enclosed LER documentation (enclosure
- 2) presently docketed for your facility.
You are requested to review these and to indicate if there are other reports which have not been enclosed.
Finally, please find enclosed a copy of the appropriate portions of your response (enclosure 81072'7002K 8l0720 PDR ADOCK 05000244
~ F PDR gG OFFICE/
SURNAME/
DATE Q NRC FORM 318 (10-80) NRCM 0240 OFFICIAL RECORD COPY USOPO: 1991~990
P
=" <<v.I IC
',h Wl' 0II f
a Mr. John E. Maier 2
JULY 2 II 198t
- 3) to our letter of March 6, 1978 which requested
- related, but different, information.
This is being forwarded for your information only and should aid in preparing Tables 1 through 4.
In consideration of the time and effort necessary to obtain this information, the completion of Table 4 should be considered voluntary.
However, it should be noted that if operational and hardware modifications are not identified, the positive or negative influence of these features on emergency alternating current power reliability may be lost in the evaluation of the data.
The expected effect is that our generic reliability estimates may be lower than that which actually exists.
The above information is requested in accordance with Sections 103.b.(3) and 161.c of the Atomic Energy Act of 1954, as amended.
To meet our schedule requirements for the resolution of USI A-44 and to incorporate as much real experience as possible into the reliability model for emergency power systems, it is requested that your response be provided within 120 days of the receipt of this letter.
However, if this schedule is inconsistent with priority requirements for other licensing work, please provide us with your proposed date of response within 30 days.
IIe plan to complete our analysis of this data by February 1982.
Your data should be provided by that time so that an accurate assessment of onsite alternating current power sources can be made.
Mr. P." Baranowsky
.has been designated Task Manager for USI A-44.
Should you have any questions,.please feel free to contact him at (301) 443-5921.
Your time.and efforts are appreciated.
DISTRI BUTION
-.L4!I
. c"" tf' l
e 1y, LNRC 8 Local PDRs j R. Snaider TERA H. Smith
+ma'tched BR <p GIB Reading ACRS (16}
ORBE5 Reading IBE (3}
t D. Eisenhut OELD Dennis M. Crutchfield, Chief R. Purple
" ~ <<1<<mes Operating Reactors Branch ¹5 J.
Roe'.
Kniel Division of Licensing G. Lainas P. Nor'ian
Enclosures:
F. Schroeder As Stated T. Murley P. Baranowsky, cc:
w/enclosures J. Butts See next page a
\\
0 e
This request for information was approved by the Office of Management and Budget under clearance. number 3150-0067 which expires May 31, 1983.
Comments on burden and.d ion may be directed to the Office of OFFICE/
SURNAME/
DATE Q DS. I P
rian:jb
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C tchfiel 07/g7/81 07/Zd/81 07/g0/81 OFFICIAL RECORD COPY VSQPO: 1981~5.550
Mr. John E. Maier 3
July 20, 1981 cc w/enclosures:
Harry H. Voigt, Esquire
- LeBoeuf, Lamb, Leiby and MacRae.
1333 Hew Hampshire Avenue, N. M.
Suite 1100 Washington, D. C.
20036 Mr. Michael Slade 12 Tr ailwood Circle Rochester, New York 14618 Ezra Bialik Assistant Attorney General Environmental Protection Bureau New York State Department of Law 2 World Trade Center Hew York, New York 10047 Jeffrey Cohen New York State Energy Office Swan Street Building Core 1, Second Floor Empire State Plaza
- Albany, Hew York 12223 Director, Bureau of Nuclear Operations State of New York Energy Office Agency Building 2 Empire State Plaza
- Albany, New York 12223 Rochester Public Library 115 South Avenue Rochester, Hew York 14604 Supervisor of the Town of Ontario 107 Ridge Road West
- Ontario, New York 14519 Resident Inspector R. E. Ginna Plant c/o U. S.
NRC 1503 Lake Road
- Ontario, New York 14519 Mr. Thomas B. Cochran Natural Resources Defense Council, Inc.
1725 I Street, N. M.
Suite 600 Washington, D. C.
20006 U. S. Environmental Protection Agency Region II Office ATTN:
EIS COORD INATOR 26 Federal Plaza Hew York, Hew York 10007 Herbert Grossman, Esq.,
Chairman Atomic Safety and Licensing Board U. S. Nuclear Regulatory Coamission Washington, D. C.
20555 Or. Richard F. Cole Atomic Safety and Licensing Board U. S. Nuclear Regulatory Commission Washington, O. C.
20556 Dr.
Emmeth A. Luebke Atomic Safety and Licensing Board U. S. Nuclear Regulatory Cottmission Washington, D. C.
20555
TA01.4 l Diesel Generator Operations Data Calendar. Year 19 Enclosure 1 Page l Plant Novae It))kr. no ltcnson for DC Operation, 6
u ctieduled t)urnt inn of tluu Teel).
Spec Aeq'd Test DC tto.
Number.
of Starts llu>aber Percent of Loading of Failure~
DO Klt Duration of Run Before Stop For t!actor DO Failure identification of Failure ttefer to attact>ed t.l'.Its or Table 3
l)C Actual Daubing Start:s not for Testing tliscellaneous Testa
(>pacify Type)
ThOLL' Diesel Cencraror Schedisled Douurler ltecord Calendar Y<<ar l9 gnclosure 1 Page 2
glaur tiara Uuia go.
Reason for Ouwnrilne Reacror sliurdoun llours of Douuriuie Reactor nor sl>urdoun Cowuenra Scileduled tlalnrenance Tiaie OG ls unavailable for eiuergency service because of required cesrs
0 8
I
Thl)l.L' picuei Oeneraror Unscliedulod ))ow>rive l)ocord Calendar Year l9 L))closure 1 - Page 3
1'lanr t<aiue U))fc ala.
LER Absrract th (Refer ro pere) ed LHR hbsrrac
))ownrilue lloura
)Torsi llours
)'rouble-stiootin
'arra,Del Repair/
)ver etc )c lace failure under e~uergency co<)dirious, please explain l)ere; Ref).r ro arracl>ed LL'Rs or rhe failures listed in Tab)a
$ ~
'fhNl.V. 4 Egnlpalant or proc<<dura
>nadlflad Data of Mod ~
Pnelte Suargancy Diesel Con<<rotor <<nil hullllory Kqulpiuant Modlflcatlon Record Reason ar Hudlficatlon and Desired Improve>aaut Enclosure 1
Page 4
l'lanL Haec tln5t Ho.
Deecr5ptlon of Modlflcarlon
hl
Enclosure 1 Page 5
. TABL= ENTRIES EXPEWRTTOH CLARIFTCATION Tabla 2
Reason for DG Operation and Scheduled Duration of Run:
This column contains the different categories of diesel generator operation.
The categories are structured such that the start and run conditions are similar for all of the-tests in a category.
In this column, enter the scheduled run duration for each of the test categories.
Also enter the number of diesel generator starts that are done for each type of test.
For example, if on the monthly test there B one start from the local con-troLs and one start from the remote controls, the number of starts per test is two.
Zf two or more diesels are started simultaneously for any reason, please record. it as a multiple start.
DG No.:
Enter each diesel generator's identification number in this column as shown in the example.
Number of Starts:
Enter the sum of,the successful and unsuccessfuL start attempts for each category. If there are several starts for each test, include all of them, but be certain to record the number of starts per test in column one.
Number of Failures:
Enter the sum of the failures for each category.
failure is counted if the ob]ectives of the test are not achieved.
A subsystem failure that does not cause failure of the diesel generator system is not counted as a'ailure.
If the diesel generator did not
- start, run, and load as required by the test, a failure shouLd be recorded.
however, if the diesel generator would have supplied power in some capacity ior an emergency, please explain in Table 3.
For elle, if the diesel started on the second attempt or the diesel was tripped to repair a minor oil leak that would not have been a
problem in an emergency, this should be noted in Table 3.
Percent Loading of DG (KW):
Enter the percentage that the diesel is loaded for each category.
The continuous kilowatt rating is considered to be 100K'.
Duration of Run Before Stop for each DG Failure:
Record the run-time for each failure.
Zf the diesel failed to start, the run-time would be 0 min.
Identification of Failures:
Attached to this questionnaire are abstracts of the LZRs related to the dfeseL generators.
The abstracts are numbered starting Mth one.
Refer to this number to identify the failures, but, if there was a faiLure for which there is no abstract, assign the failure, a number and include it in Table 3.
Table 2
Reason for Downtime:
Enter in this column the categories of schedule majn-tenance that make the diesel generator unavailable for emergency service.
If the diesel generator is unavailable for emergency'e~ce during surveillance tes~g, report that, also.
Enclosure I - Page 6;
Table 2 (oooo'd)
Hours of Downtime:
Eater the number of hours that the diesel generator is unavailable for emergency sezvice.
Report the hours under che column reactor shucdowa or reactor not shutdown as appropriate.
Comments:
Comment oa time to return co service after maintenance has.
begun, or other pertinent information.
Tab e.
LZ Abstract No. (Refer to actached KZK Absc acts):
The attached LZRs are numbezed starciag from one.
Refer to this. ~ number in column one; Each LZL abstract should have an enczy in this table.
I there was a failure noc included ia the attached, abscracts, please assign it a number aad. enter it in this table.
Downtime Hours:
Eager the number of hours that the diesel generatoz is unavailable for.emezgency service.
Subdivide these cota'ours
~~to troubleshooting, parts delivery, and repai or replacement.
Commeacs:
Use-this column to comment. oa the dowatMe and che failuzee Zf che reported failure was only a technical specification violation, but would. aot be a complete failure of che diesel generator to supply power oz would only be a delay, please elaborate in this column.
Table d
Zquipment or procedure modified:
List in this column che equipment or procedures related to the emergeacy onsite powez system that have been modified siace the reactor became critical.
Dace of Mod.:
Eater the date that the modification was completed.
Reason for Modification and Desired Lnpzovement:
Report the reason for che modification and the desired oz observed improvement in che system.
Descriptioa of Modification: 3riefly desczibe what mode icacioa was made.
'I'Alit.E Diesel Cenerator Operations Data (S ainp le}
Calendar Tear )976 Enclosure I Page 7
Plant ttuina xxx ttgit: tio.
1 6,
2 Reasan for DC Ops ra tion, 6 s clredu led Duration of Ru>>
Tact>, Spec'eq d Test Hontllly Surveillance (I hour)
(I start/test)
DC Hn.
Hunker of Starts 12 12 Number of Pai,lures Percent Loading of DC KW) 100
>00 100 Duratian of Ru>>
ll<<fore Stop l'or E>>cli llC Pailure 30 min' rain 0 min identification of Failures Refer to attached l.ERs or Ta le 3
LERII 1 &4 LER N2 Refueling Outage (l2 hours)
(I start/test) 100 100 100 1 t>our l.Ell I 3 Ntsc. 'I'acti Spec Req'rI Tests (Start Only)
(I star t/test) 100 100 100 Table 3 Ho 9
DC Actual Deans>>d Starts nor. for Testing SlhS Signal (I hour)
LER g g
Multi le start of 3 DGs klisc<<1 laneous Tests (Specify Type)
Verify Repairs (not full test)
(S tqrt Only) 0 NItIL
'l'able 3 it 10
TAHl.E 2 (Sample)
Diesel Cenerator Scheduled Dount mme Record C~lendar Year 19 gnclosure 1 Page 5
Plant liame Ualg Ho, Reason for Downt ime Scheduled lfaintenance Reactor shutdown Tl 2
llours'f Downtime lleactor not shutdown Df'C DC Comments Preventive Haintcnancc Semi-annual Annual 24 16 16 Equipment Hodification Modified lube oil on each diesel.
Diesely doul) ag different times's Unnvoiloble for emergency servic because of required tests Down 4 i>rs per test Diesel pannot be automatically started during gast or for three hours afterwards
'fhgl.V-3 (Sample)
Dicacl Generator Unsclicdulcd Don~tip!c flecord Calcndpr Yeqj 19 Fnclosure 1 - Page 9
Plant
)icicle XgX Pl L.I l.EIL hPs t roc t Ni
{Defer tn nttcl cd l.Eil hbstract Dount lmc llours Total lloura l'roublc- 'arts,Dcl
- Deposer/
Jl<ootlb Lvcr etc
~tc 1nca owncpts
any o
t >c rcporte a
urea voq not
!ave cen y
failure under emergency conditions, please explain micro, Refer to attaclicd. l,l:Rs or C)se failures Listed in 'l'ogle l.
1 2
5 6
7 8
tfo LER 9
10 I)
)2 Q
Q.
0 Q
0 0
1 Q.5 1
0 0
0 0
0 1-1 10 0
0 0
0 Q
0 0
2 1.5 1
0 0
0 0
0 0
0 Diesel started in 15 sec Instead of required 10 sec Secondary air pressure lou.
Primary air satisfactory-Sccondary air pressure low.
1'rimary air satisfactory, Diesel started in 20 scc instead of requjrqQ 10 sec.
False DG start signal.
DG saflsfectqry ltequired DG starts after tt>e failure of one diesel.
Starts to verify repairs.
TADLE 4 (Sample)
L'qufpmene or procedure modf ff<<d Date of Mud.
Onsiee Emergency Diesel C<<neratur and huxflfary Equipmene Modification Recard Reason far Modification and Desired Imp'rovement Enclosure l Page 10 Plant Hume Llnft Ha.
Description of Modf.ffcation Lube o$l system 2/76 Improve turb'o charger lubrfcati.an for emergency stares.
Soak-llack pump wuu removed and replaced with a continuous lube oil pump.
Hew pump also conefnuously lubricates ehe crankshaft.
Relay cabinets 1/78 Prevent dirt from fouling relay contacts.
Cabinet doors with gaskets were installed.
Instrument Relocation 6/79 Eliminate vibration damage to instruments Central and manieprfng instrument panel was relocated from the engine skids to u free seundfng panel mouneep on the engine room floor.
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