ML16341D962

Forwards Nonproprietary & Proprietary Version of TER-C5506-648, Masonry Wall Design,Diablo Canyon Units 1 & 2. Energy-balance Technique as Applied to Masonry Walls Acceptable.W/O Proprietary Version

ML16341D962
Person / Time
Site:	Diablo Canyon
Issue date:	11/04/1986
From:	Varga S Office of Nuclear Reactor Regulation
To:	Shiffer J PACIFIC GAS & ELECTRIC CO.
Shared Package
ML16341D963	List: ML16341D962
References
TAC-60090, NUDOCS 8611130113
Download: ML16341D962 (6)

Text

November 4, 1986 Docket Nos. 50-27/5 and 50-323 Mr. J.

D. Shiffer, Vice President Nuclear Power Generation, Licensing Pacific Gas and Electric Company 77 Beale Street, Room 1451 San Francisco, California 94106 DISTRIBUTION NRC PDR Local PDR PD¹3 Rdg.

T. Novak OGC E. Jordan N. Chokski B. Grimes J. Partlow N. Thompson H. Schierling C.

Vogan ACRS(10)

.Tech Branch

SUBJECT:

LICENSE CONDITIONS FOR MASONRY WALLS The staff has compeleted its evaluation of information you provided regarding the subject.

The staff was assisted in this effort by consultants from the Franklin Research Center (FRC).

The staff evaluation, including the FRC Technical Evaluation Report TER-C5506-648 (non-proprietary and proprietary version), is enclosed.

(Non-proprietary version only to Service List).

Based on our review we have concluded that the energy-balance technique as applied to the masonry walls at the Diablo Canyon Plant is acceptable.

On this basis we conclude that the masonry walls are appropriately qualified and the requirements set forth in the conditions of the full power licenses for Diablo Canyon Unit 1 and Unit 2 (License Conditions 2.C.(10) and 2.C.(7),

respectively) have been satisfied.

Sincerely,

Enclosure:

As stated cc:

See next page Steven A. Varga, Director Project Directorate ¹3 Division of PWR Licensing-A

• SEE PREVIOUS PD¹3 CVogan*

10/20/86 CONCURRENCE PD¹3 HSchierling*:mak 10/27/86 OGC LChandler*

10/29/86 S

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1 Docket Nos.

50-273 and 50-323 Mr. J.

D. Shiffer, Vice President Nuclear Power Generation, Licensing Pacific Gas and Electric Company 77 Beale Street, Room 1451 San Francisco, California 94106 DISTRIBUTION oc et

~

e NRC PDR Local PDR PD¹3 Rdg.

T. Novak OGC E. Jordan N. Chokski B. Grimes J. Partlow N. Thompson H. Schier ling C.

Vogan'CRS(10)

Tech Branch

SUBJECT:

LICENSE CONDITIONS FOR MASONRY WALLS The staff has compeleted its evaluatiop of information you provided regarding the subject.

The staff was assiste 1n this effort by consultants from the Franklin Research Center (FRC).

T e staff evaluation, including the FRC Technical Evaluation Report TER-t! 506-648 (non-proprietary and proprietary version), is enclosed.

(Non-loprietary version only to Service List).

Based on our review we hav concluded that the energy-balance technique as applied to the masonry wa'fls at the Diablo Canyon Plant is acceptable.

On this basis we concludeghat the masonry walls are appropriately qualified and the requirements set+orth in the conditions of the full power licenses for Diablo Canyon Unitil and Unit 2 (License Conditions 2.C.(10) and 2.C.(7),

respectively) have been met and, therefore, are resolved.

Sincerely,

Enclosure:

As stated cc:

See next page Steven A. Varga, Director Project Directorate ¹3 Division of PWR Licensing-A

• SEE PREVIOUS PD¹3 CVogan*

10/

/86 CONCURRENCE PD¹3 HSchg erl ing: ma k 10/(+86 C

LChandler 10/Q/86 PD¹3 SVarga 10/

/86

II

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V'

Docket Nos.

50-273 and 50-323 Nr. J.

D. Shiffer, Vice President Nuclear Power Generation, Licensing Pacific Gas and Electric Company 77 Beale Street, Room 1451 San Francisco, California 94106 DISTRIBUTION oc et i e NRC PDR Local PDR PD¹3 Rdg.

T. Novak OGC E.

Jordan N.

Ch kski B. Grimes-=-

J. Parttow

. Thompson H. Schierling C.

Vogan ACRS(10)

Tech Branch

SUBJECT:

LICENSE CONDITIONS FOR MASO Y WALLS The staff has compeleted its eva ation of information you provided regarding the subject.

The staff was ass'ted in this effort by consultants from the Franklin Research Center (FRG' The staff evaluation, including the (non-proprietary and propre tary versions),

FRC Technical Evaluation Report, TER-C5506-648, is enclosed (Non-proprietary version only to Service List).

Based on our review we ve concluded that the energy-balance technique as applied to the masonr<

alls at the Diablo Canyon Plant is acceptable.

On this basis we conclpd that the masonry walls are appropriately qualified and the requirements se forth in the conditions of the full power licenses for Diablo Canyon Unj 1 and Unit 2 (License Conditions 2.C.(10) and 2.C.(7),

respectively) h e been met and, therefore, are resolved.

Sincerely,

Enclosure:

As stated Steven A. Varga, Director Project Directorate ¹3 Division of PWR Licensing-A cc:

See next page PD¹3 CVogan 10/Z~/86 f

PD¹3 HSchier ing:mak 10/l~/86 OGC LChandler 10/

/86 PD¹3 SVarga 10/

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