ML20126M711

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Discusses Comments by G Harrison at Commission 810403 Meeting Re Fire Protection Research.Forwards Graph Showing That Total Mass Consumed During Identical Tests W/ & W/O Halon Differs by Factor of 1.7,showing Suppressant Value
ML20126M711
Person / Time
Issue date: 05/05/1981
From: Feit R
NRC OFFICE OF NUCLEAR REGULATORY RESEARCH (RES)
To: Wenzinger E
NRC OFFICE OF NUCLEAR REGULATORY RESEARCH (RES)
Shared Package
ML19250G967 List:
References
FOIA-81-201 NUDOCS 8106190367
Download: ML20126M711 (2)
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Text

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E.C.Wenzinger i

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~MEMORAliDUM FOR:

E. C. Henzinger, Chief CENTRAL FILE Instrumentation & Control Branch RES ALPHA RES RDG.

l Division of Facility Operations ICB WR Office of Nuclear Regulatory Research R

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6149 FROM:

R. Ft:it Instrumentation '& Control Branch TASK N0. N/A, Division of Facility Operations

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70ffice of Nuclear Regulatory Research

SUBJECT:

C0filISSION MEETING ON FIRE' PROTECTION RESEARCH APRIL 3,1981 Greg Harrison (flRR) comented on the fire protection research program during the subject Comnission meeting.

His coments were for the cost part generalities expressing his opinion on how the research should be implemented and I feel it would' serve no useful purpose for me to conment on those statements.

However, the following two specific statements were made by Harrison during the meeting which I feel should be discussed.

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1. Harrison stated (pages 68-69 of the meeting minutes) that the Sandia Laboratory fire suppression data is not credible and he offered as evidence the fact that the recent halon fire suppression data showed that with no halon used the performance was better than with halon.

The conclusion is, as I stated during the Conniission meeting, incorrect.

The attached graph shows that the total mass consumed during the identical tests with and without halon differs' by a factor of about 1.7, clearly showing-the value of halon as a fire suppressant.

2. The other specific conment made by Harrison during the meeting (pages 64 and 65 of the meeting minutes) is that Leon Przybyla from Underwriters Laboratories is not opposed to elimination of the positive pressure l

requirement from the NRC regulatory guide for the testing of penetration

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fire seals.

d' This remakk is, as I stated luring the meeting incorrect. Mr. Przybyla Teitereated his position to me and Hotley in the presence of Harrison cnd Ferguson during a meeting on April 23, 1981, that he feels it would be a mistake if flRC did not require the penetration fire stop test to include the differential pressure effects.

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I would appreciate it'if you would forward this information to Mr. Minogue. I would be happy to provide additional information on these issues or others i

raised during the meeting.

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