ML20008F430

Forwards Responses to NRC Requesting Info Re Containment Sumps & Insulation for Operating Reactors

ML20008F430
Person / Time
Site:	Calvert Cliffs
Issue date:	03/03/1981
From:	Olson R BALTIMORE GAS & ELECTRIC CO.
To:	Clark R Office of Nuclear Reactor Regulation
Shared Package
ML20008F431	List: ML20008F430 ML20008F432 ML20008F433
References
TASK-A-43, TASK-OR NUDOCS 8103130476
Download: ML20008F430 (4)

Text

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c3 A LTIMORE GAS AND ELECTRIC CHARLES CENTER. P.O. BOX 1475 BALTIMORE, MARYLAND 21203 vwa* "'* a '

A' o n

ELECTRIC ENGINEERING OEPARTMENT 10 4i Of' ice of ?!uelear eactor Reculation U. S. ?!uelear Regulato:-r Co: tission d

'Jashinton, D. C.

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v. Robert A. Clark,hief M

bOI h 8 Attn:

s Dgg Ouersting Peactors Franch 83 D

Division of Licensine

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Subject:

Calvert Cliffs ?!uelear Fever Plant I

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Units '!cs.1 % 2, "cekets ?'os. 5-31~ % 50-2.

Information Fecuest Rezarding Contain ent Eu s and Insulation for Oceratine ee e*crs. "'A0 A h7

Reference:

?! 0 letter fren R. A. Clark to A. E. Lundvall, Jr.

dated ?!ovenber h,10 0 sane sub.tect.

entlenen :

Enclosed are our responses to questions 1, 2a, 2b, and Te of the referenced letter. We vill provide ou' resconse to cuestion 2d by Acril 1, 1981.

Please contact u: if this schedule is unsatisfacto'-r or if you have any questions, 1

l

'lerv truly - urs,

/

Richard C. L. Olson Prineinal rneineer FCLO/snn ee:

J. A. Biddison, Tseuire I

G. v. Trowbridze, Esquire

'fessrs. E. L. Conner, Jr. - ?i C i

?. E. Architzel - ?iRC I

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" arch h, 1091 Iten 1:

Iten 1 of the reference letter is conplete as attached here.

Iten 2:

a)

The raterials listed in the attached srecifiestien a're verified en the vendor drawines, b)

See rescense to a.

c)

See response to a.

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Labor and Material Des cription Suecification Material Suen11er Manufacturer Reactor cavity 6750-M-339 Transco, Inc.

Trans co, Inc.

s,. -ins Jation 5+.

7 Reactor coolant system 6750-M-336 Transco, Inc.

Transco, Inc.

and steam generators and Forty Eight insulation (except reactor Insulations, cavity)

Inc.

Plast insulation - except 6750-M-338 Campbell-Owens reactor cavity insulation, McCormick Co rning, reactor coolant system Co., Inc.

Pittsburgh and steam generators Corning, and insulation Forty Eight Insulations,

Inc.

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