ML19347D981

Affidavit Re Temp Effects on Polyurethane Foam.If Fiberglass Insulation on Air Handling Ducts Is Considered,Calculations Would Be More Conservative.Certificate of Svc Encl

ML19347D981
Person / Time
Site:	Mcguire, McGuire
Issue date:	04/03/1981
From:	Rasin W DUKE POWER CO.
To:
Shared Package
ML19347D977	List: ML19347D976 ML19347D979 ML19347D981
References
NUDOCS 8104140564
Download: ML19347D981 (5)

Text

_.

WO o*f LisNna UNITED STATES OF AMERICA . 2 APR 615) .

NUCLEAR REGULATORY COMMISSION --

O' Uk.cf LS temg BEFORE THE ATOMIC SAFETY AND LICENSING BOARD 3 mice hj[2 v In the Matter of )

)

DUKE POWER COMPANY ) Docket Nos. 50-369

) 50-370 (William B. McGuire Nuclear )

Station, Units 1 and 2) )

AFFIDAVIT OF W. H. RASIN Comes now the affiant W. H. Rasin, and says:

During its review of the testimony regarding temperature effects on polyurethane foam, the Staff noted that construction drawings reflected that a 1/4" layer of fiberglass insulation identified as "glastrate" (18#/Ft3; K=0.30) made by Owens-Corning, existed between the wall of the downcomer portion of the air handling unit duct and the riser portion of the duct at McGuire.

Duke has determined, both by an inspection of the con-struction drawings and actual visual examination of the air handling ducts at the station, that this fiberglass insulation, "glastrate" made by Owens-Corning, is in place. This layer of insulation was not taken into account in my heat transfer calculations regarding temperature effects in polyurethane foam. If the insulation were taken into account, it would add further conservatism to my calculations.

Duke has also determined by actual visual examination of the connections between adjoining ducts that the inverse "U" shaped member covering the keystone is not precisely as 810.414056Y

described in Staff Exnibit 0, which was a Sequoyah document.

See Attachment 1, Staff Exhibit 0, wherein this vertical member has been identified by Applicant as "X". At McGuire this vertical member is extended along the downcomer duct toward the ice condenser; upon reaching the inside walls of the duct this member forms a right angle so as to parallel the inside wall of duct for approximately 1 inch. See Attach-ment 1, wherein the McGuire configuration has been identified by Applicant as "Y". The "U" shaped member was not taken into account in my heat transfer calculations regarding temperature effects on polyurethane foam. If the vertical member was taken into account, it would add further conserva-tism to my calculations.

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W. H. Rasin Subscribed and sworn to before me this 3rd day of April, 1981.

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Notary Publac My Commission expires: 12/3/84

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UNITED STATES OF AMERICA  : APR 6 1981

• r NUCLEAR REGULATORY COMMISSION -

a ch , .. .s..:m 3 BEFORE THE ATOMIC SAFETY AND LICENSING BOA [Y D' "g

, \.

m 0 In the Matter of )

)

DUKE POWER COMPANY ) Docket Nos. 50-369

) 50-370 (William B. McGuire Nuclear )

Station, Units 1 and 2) )

CERTIFICATE OF SERVICE I hereby certify that copies of " Applicant's Response to Staff Submittal Concerning Potential Polyurethane Pyrolysis" and

" Applicant Opposition to Submittal of Affidavit of Jesse L.

Riley and Affirmation of Service," both dated April 3, 1981, in the above-captioned proceeding, have been served upon the following by deposit in the United States mail, first class, this 3rd day of April, 1981:

Robert M. Lazo, Esq., Chairman Edward G. Ketchen, Esq.

Atomic Safety and Licensing Board Counsel for NRC Regulatory Staff U.S. Nuclear Regulatory Commissaca Office of the Executive Legal Washington, D. C. 20555 Director U.S. Nuclear Regulatory Commission Dr. Emmeth A. Luebke Washington, D. C. 20555 Administrative Judge Atomic Safety and Licensing Board Ms. Diane B. Cohn U.S. Nuclear Regulatory Commission William B. Schultz, Esq.

Washington, D. C. 20555 Public Citizen Litigation Group Suite 700 Dr. Richard F. Cole 2000 P Street, N.W.

Administrative Judge Washington, D. C. 20036 Atomic Safety and Licensing Board U.S. Nuclear Regulatory Commission Shelly Blum, Esq.

Washington, D. C. 20555 1402 Vickers Avenue Durham, N. C. 27707 Mr. Jesse L. Riley, President Carolina Environmental Study Group Chairman 854 Henley Place Atomic Safety and Licensing Board Charlotte, N. C. 28207 Panel U.S. Nuclear Regulatory Commission Dr. John M. Barry Washington, D. C. 20555 Department of Environmental Health Mecklenburg County 1200 Blythe Boulevard Charlotte, N. C. 28203

_- 1 l

J. Michael McGarry, III, Esq.

Debevoise and Liberman 1200 Seventeenth Street, N.W.

Washington, D. C. 20036 Chairman Atomic Safety and Licensing Appeal Board U.S. Nuclear Regulatory Commission Washington, D. C. 20555 Mr. Chase R. Stephens Docketing and Service Section Office of the Secretary U.S. Nuclear Regulatory Commission Washington, D. C. 20555 s g -

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