ML20090L731

Application for Amend to License DPR-22,changing TS Re Hydraulic Snubber Operability Requirements

ML20090L731
Person / Time
Site:	Monticello
Issue date:	10/01/1976
From:	Wachter L NORTHERN STATES POWER CO.
To:
Shared Package
ML20090L727	List: ML20090L726 ML20090L731 ML20090L732
References
NUDOCS 9102120579
Download: ML20090L731 (4)

Text

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UNITED STATES NUCIIAR RTGUIATORY COMMISSION NORDLERN STATES POWER COMPANY M0!TTICELLO NUClIAR GENERATING PIANT Docket No. 50- 263 REQUEST FOR AMENDKENT TO OPERATING LICENSE NO. DPR- 22 (License Amendment Request Dated October 1,1976)

Northern States Power Company, a Minnesota corporation, requests authorization for changes to the Technical Specifications as shown on the attachments labeled Exhibit A and Exhibit B. Exhibit A describes the proposed changes along with reasons for the change. Exhibit B is a set of Technical Specification pages it.corporating the proposed changes.

This request contains no restricted or other defense information.

NORTHERN STATES POWER CCMPANY i

By C7 Mdd "L J Wachter Vice President, Power Production &

Systaan Operation On this 1st day of October , E L , before me a notary public in and for said County, personally appeared L J Wachter, Vice President, Power Production & System Operation, and first being duly sworn acknowledged that he is authorized to execute this document in behalf of Northern States Power Company, that he knows the contents thereof and that to the best of his knowledge, information and belief, the statements made in it are true and that it is not interposed for delay.

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EXHIBIT A MONTICELLO NUCLEAR GENERATING PLANT DOCKET NOS. 50-263 l

LICENSE AMIhTMENI REQUEST DATED OCTOBER 1,1976 i

PROPOSED CHANGES TO Tile TECHNICAL SPECIFICATIONS APPENDIX A 0F OPERATING LICENSE DPR-22 Pursuant to 10CFR50.59, the holders of License DPR-22 hereby propose the following changes to Appendix A. Technical Specifications:

' Specifications 3.6 and 4.6 Hydraulic Snubbers a

! PROPOSED OIANGE Revise Technical Specifications and Bases 3.6 and 4.6, covering safety related hydraulic snubber operability and surveillance require-ments, as shown in attached Exhibit B.

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REASONS FOR CHANGE These changes in Technical Specification requirements are submitted in response to a letter dated December 17, 1975, from Mr Dennis L Ziemann, USNRC, to Mr L 0 Mayer, NSP.

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REASONS FOR CHANGE (continued) j f This letter requested Northern States Power Company to submit a License  ;

j Amendment Request to modify the Technical Specifications covering safety  ;

j related hydraulic snubbers. The modifications we were requested to sub-

' mit included: .

s. Specifying what must be included in visual snubber in-i spections.

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] b. Enlarging the scope of Table TS 3.6.1 to include infor-  !

2 mation on snubber area radiation levels and ease of (

j removal.

} c. Deletion of snubbers in High Radiation Areas or snubbers j "especially difficult to remove" from functional testing.

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) The proposed Technical Specification changes conforu to the model Technical .

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Specifications contained in Mr Ziemann's letter with the following minor

exceptions:

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a. The provision for omitting from functional testing  !

snubbers located in High Radiation Areas or snubbers  !

"especially difficult to remove" found in the Bases has i been added to the Surveillance Requirements.

I b. A specification has been added to allow snubbers to be added or deleted from the list of those located in High  ;

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j Radiation Areas as plant corditions change.

l c. Specification 4.6.'.l.3 has been deleted.- It is no l longer necessary to specify the time of initial inspection or the initisi inspection interval.

Monticello has been following this schedule for [

[ over one year.

! Snubbers were classified "especially difficult to remove" if they were:

! a. Greater than 5 feet above the adjacent working platform-

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b. Greater than 3 feet below the adjacent working platform l

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Snubbers were classified as being in High Radiation Areas based on a radiation survey conducted during a maintenance outage earlier this year.

Radiation survey results were corrected for estimated radiation level at each snubber location approximately one week following reactor shutdown.

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EXHIBIT B LICENSE AMDIDMElfr RDQUEST DATED OCTOBER 1,1976 a

Exhibit B, attached, consists of revised and newly pre-pared pages of the Appendix A Technical Specifications as listed below. These pages incorporate the proposed changes.

Pages 121 12LA 121B

< 121C 13&A

- Pages 121D 121E Are deleted by these proposed changes.

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