ML19221A189
| ML19221A189 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 04/07/1979 |
| From: | Mattson R Office of Nuclear Reactor Regulation |
| To: | Stello V Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 7905190250 | |
| Download: ML19221A189 (3) | |
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April 7, 1979
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NOTE T0:
Stello R. Vollmer D. Ross C. Be rl inge r E. Case FROM:
R. J. Mattson Attached are three pages describing a concept for benign control of the Three Mile Island 2 primarv cnolant system which is being proposed by Lev 2nson's study group for either of two cases:
A.
a step follo.ving successful application of the natural circulation cooling scheme or, B.
an intermediate step between unsuccessful application of the natu al circulation schene and possible initiation of the decay heat removal system.
E !.'.
egreed *his evening to rece.asic:r this con;ept ohich
- s in.:tially. reposed three or four days ago and ic e :o r t ri :o
- he "echnical ci.a e.ent coordination c:..it:<e
- b t' sir
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I beliese
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s
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if applied sS:,,
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el e
- k ' ' '. c a s.vinaing pool reactor, d:pending up:n the le.e l o f de ccy !..ea t.
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'r t or eill i ?.3
- 'ch has check valves) by conr.ecting that line to an a *. e r tank, perhaps with nitrogen over ressure, outside of contain :nt.
Ey c::v of this note, I et asking C.
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