ML20196C385

Forwards Amend 102 to License DPR-36 & Safety Evaluation. Amend Modifies Tech Specs to Reflect Revised LOCA Monitoring Limits to Be Used When in-core Monitoring Sys Inoperable

ML20196C385
Person / Time
Site:	Maine Yankee
Issue date:	02/09/1988
From:	Sears P Office of Nuclear Reactor Regulation
To:	Randazza J Maine Yankee
Shared Package
ML20196C390	List: ML20196C385 ML20196C421 ML20196C430
References
NUDOCS 8802160087
Download: ML20196C385 (5)

Text

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. 1 Dyket Neo 50-309 i

e Mr. J. R. Randazza February 9, 1988  !

, Executive Vice President  :

Maine Yankee Atomic Power Corpany  !

83 Edison Drive 8

Augusta, Maine 04336  :

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Dear Mr. Randazza:

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The Commission has issued the enclosed Amendment No.102 to Facility Operatino i License No. DPR-36 for the Maine Yankee Atomic Power Station. This amendment consists of changes to the Technical Specifications (TS) in response to your application dated July 30, 1987 s

) This amendment, modifies the Technical Specifications to reflect revised LOCA ,

Monitoring Limits which could be used when the Incore Monitoring System is ~

inoperable, Maine Yankee Atomic Power Company uses the Incore Monitorina System to monitor the LOCA linear Heat Generation Rate (LHGR) Limits. If the incore alarns become inoperable, power operation can be continued as allowed by Technical Specification 3.10.C.3.1.1. This specification places limits on

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control element asrembly (CEA) position and axial symmetric offset, and based on these restrictions, penalizes the last incore LHGR measurement for i l potential rower peaking increases and establishes a maximum allowable power t level for operation.

A copy of the Safety Evaluation is also enclosed. The notice of issuance

', will be included in the Comission's next regular bi-weekly Federal Register notice. .

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Sincerely,

~)

Patrick M. Sears, Project Manager Project Directorate I-3 Division of Reactor Projects I/II i

Enclosures:

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1. Amendment No.102 to DPR-36 i

1 2. Safety Evaluation  ;

i I cc w/ enclosures

See next page

• See previous concurrence

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Dockot Noa 50 309 Mr. J. B. Randazza Executive Vice President Maine Yankee Atomic Power Company .

83 Edison Drive '

Augusta, Maine 04336

Dear Mr. Randazza:

The Commission has issued the enclosed Amendment No, to acility Operating License No. DPR-36 for the Maine Yankee Atomic Power Stati . This amendment consists of changes to the Technical Specifications (TS) n response to your application dated July 30, 1987, 1 This anendment modifies the Technical Specifications o reflect revised LOCA l j Monitoring Limits which could be used when the Inc e Monitoring System is inoperable, j

Maine Yankee Atomic Power Company uses the In re Monitoring System to monitor the LOCA Linear Heat Generation Rate (LHGR) Limits. If the incere alarms become inoperable, power operation n be continued as allowed by Technical Specification 3.10.C.3.1.1. T s specification places limits on control element assembly (CEA) positio and axial symetric offset, and based '

on these restrictions, penalizes the est incore LHGR neasurement for

, potential power peaking increases a establishes a naximum allowable power .

level for operation. The followi conditions must be met

CEA's are maintained above e 100% power insertion limit.

Excore symmetric offset re ains with + 0.05 of the value measured when

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the last core readings w e taken.

• Core power is reduced t less than or equal to P (% of rated power),

! where P defined in th Safety Evaluation.

l A copy of the Safety Eva untion is also enclosed. The notice of issuance will be included in the Comission's next regular bi-weekly Federal Reoister notice.  ;

i Sincerely, i

Patrick M. Sears, Project Manager l Project Directorate I-3  ;

]

Division of Reactor Projects I/II

, Enclosures 1

1. Amend nt No. to DPR-36

2. Safe y Evaluation 4 cc w/e closures j

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g v[/ I February 9, 1988 f

Docket No. 50-309 Mr. J. B. Randazza -

Executive Vice President Maine Yankee Atomic Power Company 83 Edison Drive Augusta. Maine 04336

Dear Mr. Randazza:

The Commission has issued the enclnsed Amendment No.102 to Facility Operating License Nn. DPR-36 for the Maine Yankee Atomic Power Station. This amedment consists of chances to the Technical Specifications (TS) in response to your application dated July 30, 1987.

This amendment nodifies the Technical Specifications to reflect revised LOCA Monitorino limits which could be used when the Incore Monitorino System is inoperable.

Maine Yankee Atomic Power comoany uses the Incore Monitoring System to monitor the LOCA Linear Fett Generation Rate ILHGR) Limits. If the incere alarms become inoperable, power operation can be continued as allowed by Technical Specification 3.10.C.3.1.1. This specification places limits on control element assembly (CEA) position and axial spinetric offset, and based on these restrictions, penalizes the last incore LHGR measurement for potential power peaking increases and establishes a maximum allowable power level for operation.

A copy of the Safety Evaluation is also enclosed. The notice of issuance will be included in the Comission's next regular bi-weekly Federal Reaister notice.

Sincerely, Patrick M. Sears, Project Manager Project Directorate T-3 Division of Reactor Projects I/II

Enclosures:

1 Amendment No.102 to DPR-36

2. Safety Evaluation cc w/ enclosures See next page  ;

1

Lg Mr. J. B. Randazza Maine Yankee Atomic Power Company Maine Yankee Atomic Power Station ec: i

, Charles E. Monty, President Mr. P. L. Anderson, Project Manager

Maine Yankee Atomic Power Company Yankee Atomic Electric Company 83 Edison Drive 1671 Worchester Road Augusta, Maine 04336 Framingham, Massachusetts 07101 Mr. Charles B. Brinkman Mr. G. D. Whittier Manager - Washington Nuclear Licensing Section Head Operations Maine Yankee Atomic Power Company Combustion Engineering, Inc. 83 Edison Drive 7910 Woodmont Avenue Augusta, Maine 04336 Bethesda, Maryland 20814 Mr. J. B. Randazza John A. Ritsher, Esquire Executive Vice President Ropes & Gray Maine Yankee Atomic Power Company

, 225 Franklin Street 83 Edison Drive Boston, Massachusetts 02110 Aucust, Maine 04336 State Planning Officer Executive Department i 189 State Street Augusta, Haire 04330 Mr. John H. Garrity, Plant Manager Maine Yankee Atomic Power Company P. O. Box 408 Wiscasset, Maine 04578 l Recional Administrator, Region I ,

U.S. Nuclear Regulatory Commission 1 631 Park Avenue King of Prussia, Pennsylvania 19406 First Selectman of Wiscasset ,

Municipal Building U.S. Route 1 Wiscasset, Maine 04578

, fir. Cornelius F. Holden Resident Inspector c/c U.S. Nuclear Regulatory Commissien P. O. Box E Wiscasset, Maine 04578 a

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AMENDHENT NO. 102 TO DPR MAINE YANKEE ATOMIC POWER STAT!rN DISTRIBUTION: i Docket NRC PDR File ( -

Local PDR j PRC System i

[j PDf!-3 Reading l M. Rushbrook '

P. Sears

. S. Varga S. Boger -

W. Jones -

D. Hagan '

T. Barnhart (4) ,

E. Jordan J. Partlow C. Miles, PA R. Dicas. LFMB OGC Sethesda thkr ks, SRXB - P-1022 cc: Plant Service List i

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