ML19309C464
| ML19309C464 | |
| Person / Time | |
|---|---|
| Issue date: | 11/02/1979 |
| From: | Catton I Advisory Committee on Reactor Safeguards |
| To: | Duraiswamy S Advisory Committee on Reactor Safeguards |
| Shared Package | |
| ML19309C446 | List: |
| References | |
| RTR-REGGD-01.097, RTR-REGGD-1.097, TASK-OS, TASK-RS-917-4 ACRS-1688, NUDOCS 8004080631 | |
| Download: ML19309C464 (1) | |
Text
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'o UNITED STATES NUCLEAR REGULATORY COMMISSION P"
o I
ADVISORY COMMITTEE ON REACTOR SAFEGUARDS
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November 2, 1979 l
TO:
Sam Duraiswamy FRCM:
Ivan Catton REGUIATORY GUIDE 1.97, REVISICN 2
SUBJECT:
Some 1he guide as written is not responsive to the I4ssons Imamed from TMI.
specific areas I would like to have discussed are as follows:
Show how a timely heat balance can be obtained?
1.
W at are measurement tolerances and how are they arrived at?
2.
Display of the measurements with proper processing is' the single most f
I would important factor in timely following the course of an accide 3.
It should going to receive the results of various measurments listed. !
Questions such as, on it, as well as location of instrument displays.should strip charts also be considered.
Ranges on many temperature measurements do not cover ranges experienc 4.
How were those listed choosen?
at TMI.
The containment instrumentation aection does not indicate locations ofSom 5.
pressure, temperature and hydrogen mensors.
of location would help.
M y aren't feedwater system temperatures measured?
6.
Existing plant instrumentation supplies a large amount of the needed Ibw much of the listed data in 1.97 is additional?
7.
information.
Wat are the requirements for measuring reactor coolant inventory?
8.
(
i 3 -T 8004080631