ML20076C562

Monthly Operating Rept for June 1991 for Fort St Vrain.W/

ML20076C562
Person / Time
Site:	Fort Saint Vrain
Issue date:	06/30/1991
From:	Block M, Fuller C PUBLIC SERVICE CO. OF COLORADO
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
P-91227, NUDOCS 9107220241
Download: ML20076C562 (8)

Text

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P.o. Box B40 cenver, CO 80201 0840 16805 WCR 19 1/2, Platteville, Colorado 80651 July 15, 1991 Fort St. Vrain Unit No. 1 P-91227 V, S Nuclear Regulatory Commission ATTN:

Document Control Desk Washington, D.C.

20555 Docket No. 50-267

SUBJECT:

JUNE,~1991, MONTHLY DEFUELING OPERATIONS REPORT

REFERENCE:

Facility Operating License Number DPR-34

Dear Sirs:

Enclosed please find the Monthly Defueling Operations Report for the month of June, 1991, submitted per the requirements of Fort St. Vrain Technical Specification AC 7.5.1.

If you have any questions, please coitact Mr.

M. H. Holmes at (303) 480-6960.

Sincerely,

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Charles H. Fuller Manager, Nuclear Production Fort St. Vrain Nuclear j

Generating Station CHF:DLW/bh Enclosure cc: Regional Administrator, Region IV Mr. J. B. Baird Senior Resident Inspector Fort St. Vrain nc

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9107220241 910630

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PDR ADOCK 05000267

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ll PUBLIC SERVICE COMPANY OF COLORADO FORT ST. VRAIN NUCLEAR GENERATING STATION MONTHLY DEFUELING OPERATIONS REPORT

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'NO. 209-l-

June, 1991 i

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7; _

a c This report-~contains the _hi gnl i g ht s - of the-Fort St.-Vrain, Unit LNo. 1, activities -operated under the provisions of the Nuclear Regulatory Commissien Operating License No. DPR-34.

This report is for the month of June, 1991, 1.0. NARRATIVE'

SUMMARY

OF OPERATING -EXPERIENCE AND MAJOR SAFETY RELATED MAINTENANCE The' reactor remained shutdown the entire month of June,1991, following Public Service Company of Colorado's decision to end

nuclear operation.at Fort St. Vrain.

Preparations for shipping spentLfuel are proceeding.

s Construction of the Independent Spent Fuel Storage Installation (ISFSI) is proceeding, 2.0 SINGLE RELEASES OF-RADIDACTIVITY OR RADIATION EXPOSURE IN EXCESS OF 106 0F THE ALLOWABLE ANNUAL VALUE None 3.0 INDICATION-0F FAILED FUEL RESULTING FROM IRRADIATED ~ FUEL

.. EXAMINATIONS None 4.0' MONTHLY OPERATING DATA-REPORT.

Attached i

1

l l

2PERATING DATA REPORT DOCKET NO.

50-267 DATt Jul y 15. 1991 COMPLETED BY M. 1. Block TELEPHONE (303) 6?0-1313 O P E R AT * '.'s 5 ".'U S NOTES 1.

U-it Name.

Fort St. Vrain.

L' nit Mo. 1

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Reporting Perloo:

910601 through 910630 3.

u1censea Themal Power (MWt):

R42 4

hsmeolate Rating (Gross MWe):

342 5.

esign Electr1ral Rating (Net MWe):

310 6,

Maximum Decencable Capacity (Gross MWe):

342

?.

vanir'um Depencaole Capacity (het MWe):

330 lr.anges Occur in Capacity Ratings (Items humDer 3 Through 7) Since Last Report. She seasons:

c.

one 9.

F wer tevel To whien Restricted, If Any (Net Mae):

0.0

10. Reasons for Restrictions. If Any:

Fort St. Vrnin craned nuclonr ennrntion nn Aummt

'9.

19R9.

This Month Vear To Date Ct.mu l a ti ve 11.

ours in Reporting Ferted 720 4.343 105.192

12. hu'noer Of Houis Reactor Was Critical N/A N/A 40 976 7

13. Reactor eeserve Shutdown Hours N/A N/A N/A 14.

ours Generator On-Line N/A N/A 27.777.4

15. Ln1t Reserve Shutdown tiours

'i / A N/A N/A

16. Gross Trermal Energy Generatec (MWH)

N/A N/A 14.450.651.2 17 Gross Electrical Energy Generated (MWH)

N/A N/A

'4. 816. R 14. 0

13. Net Electrical Energy Generatta (MWH)

-1.473

-9.608 4 24? 071

19. Unit Service Factor N/A N/A N/A

20. Lnit Availattlity factor N/A N/A N/A 21.

tr.it Caoacity f actor (Using MDC het)

N/A N/A N/A

22. Unit Cacacity Factor (Using DER het)

N/A N/A N/A

23. unit forcec Outage Rate y/A y/A M/A 24.

Sr.utcowns Seneculed Over hext 6 Montns (Type, Date, anc Duration of Eacn):

Fort St. Vrain ceased nn-i n w nnnrnrinn nn Aucunt 29. '989.

25.

!' inut Cown At End Of Report Pertoc. Einmatec Cate Of Startup:

'? / A I'C'*I Ach'

25.

.n?" 'n Test Status (Prior To Comercial 0::eration):

..tITIAL CR!i! CAL!!Y su A N/A INITIAL ELECTRIC:Ty wA N/A COMMERCIAL OPERATION N/A N/A

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AVERAGE DAILY UNIT POWER LEVEL Docket No.: 50-267 Unit Fort St.-Vrain: Unit No. 1 Date July-15, 1991 Completed By M. L. Block

~

Telephone (303) 626-1313 Month JUNE DAY AVERAGE DAILY' POWER' LEVEL'

-DAY -AVERAGE DAILY POWER LEVEL (MWe-Net)

(MWe-Net)_

1-0.0 17

-0.0 2; ___

0.3 18 0.0 3

0.0 19 0.0 4

0.0 20 0.0 5

0.0 21 0.0 6

0.0 22 0.0 17.

0.0 23

-0.0 8

0.0 24 0.0 9

0.0 25 0.0

.10 0.0 26 0.0

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11 0.0 27-0.0 12 OL. 0 28 0.0 13 0.0 29 0.0 14 0.0 30 0.0 15 0.0 31 N/A 16 0.0

Nuclear Operations at Fort-St. Vrain were terminated on August 29, 1989.

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Docket No. 50-267 Unit Fort St. Vrain Unit No. 1 Date July 15, 1991 Comoleted By M. L. Block Telephone (303) 620-1313 REFUELING INFORMATION I

I I

l 1.

Name of Facility 1 Fort St. Vrain Unit No. 1 l

l I

l l 2.

Scheduled date for next l None, no fur ther refueling at l

1 refueling shutdown.

j FSV is expected.

1 I

I I

l 3.

Scheduled date for restart l N/A l

l followino refuelinc.

l l

I l

l l 4.

Will refueling or resumption of] N/A l

l operation thereafter recuire a l l

l technical specification change l l

1 or other license amencment?

l l

1 l

l l

If answer is yes, what, in j

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g_eneral, will these be?

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l l

If answer is no, has the reload l l

1 fuel design and core configura-j l

l tion been reviewed by your l

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Plant Safety Review Committee l N/A l

l to cetermine whether any unre-l l

l viewed safety questions are l

l l

associated with the core reloadj l

I (Reference 10 CFR Section l

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50.59)?

l l

1 l

I I

If no sucn review has taken l N/A l

l olace, wnen is it scneduled?

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I l

lE.

Scheculed cate( s) f or submit-l l

l ting proposed licensing action 1 ----------------

l l

and succortina information.

l l

1 l

l l 6.

Important licensic consicera-l l

l tions associated with refuel-1 1

I

ing, e.g., new or different l

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fuel design or supplier, unre-l l

l viewed design or performance j

l l

analysis methods, significar,t l

l l

changes in fuel cesign, new 1

i l

coerating procedures.

J l

l l 7.

Tne number of ruel assemblies l

I (a) in tne core and (b) in tne l a) 1024 HTGR fuel elements I

spent fuel storage cool.

I b) 452 HTGR fuel elements i

n.

[*'

REFUELING INFORMATION (CONTINUED)-

4 l.

I l.

1 S.

The present licensed spent fuell Current capacity is limited-in l-l'.

poolfstorage capacity and the-j' size to about-one-third of core,- l l

size of. any increase in l 504 HTGK elements _ Construction

.l-l

_ licensed storage capacity that l of-an Independent Spent Fuel l

[;

has been requested or is l Storage Installation (ISFSI)-

l

-l_

planned, in number of fuel

_l with a capacity of'1620 FSV HTGR l'

l assemblies.

] elements is proceeding.*

l

- I I

I' l 9.

The projected date of.the last l No further refueling is l

l refueling that can be dis -

_ l anticipated at Fort St. Vrain. "*-l I

charged to the spent fuel-pool:1 l

l assuming.the present licensed l l

l

capacity, I

i 1

f The Independent Spent Fuel Storage Installation (ISFSI) will be a

capable of storing the_ entire FSV core (1482 HTGR elements) with storage space for an additior.al 138 HTGR elements.

Under Agreements AT(04-3)-633 and DE-SC07-791D01370 between Public LService Company of Colorado, General Atomic Company, and 00E, spent

~

fuel discharged.during the defueling process w'll be stored _by 00E at the' Idaho Chemical Processing Plant, The storage capacity is presently sized to accommodate eight '"el segments.

It is estimated

~

that the eighth fuel segment will be cischarged in 1992.

Discussions concerning the disposition of ninth-fuel segment are in progress with DOE.

Nuclear Operations at Fort St. Vrain were terminated August 29,

-1989.

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