ML19248C960
| ML19248C960 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 07/12/1979 |
| From: | Scroggins R NRC OFFICE OF NUCLEAR REGULATORY RESEARCH (RES) |
| To: | Grimsley D NRC OFFICE OF ADMINISTRATION (ADM) |
| References | |
| NUDOCS 7907180080 | |
| Download: ML19248C960 (2) | |
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8 UNITED STATES
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NUCLEAR REGULATORY COMMISSION 3-C WASHINGTON, D. C. 20555 o-
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JUL 121979 MEMORANDUM FOR: Don Grimsley, Chief Freedom of Information & Privacy Branch FROM:
R. M. Scraggins, Director Administration & Resource Control Staff, RES
SUBJECT:
RES RECORDS - DOCXET 50-320. TRN'SMITTAL OF MONDAY, JULY 2, 1979 Please refer to my memorandum dated July 5, subject above.
The enclosed page was inadvertently omitted from our transmittal and belongs in the May 22 (Enclosure 1 of my July 5 memorandum) letter from Denning to Cunningham as page 3 to the write-up entitled:
" March / Corral Analyses of Hypothetical Meltdown Scenarios for Contingency Manning."
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R. M. Scroggins, Director Administration & Resource Control Staff Office of Nuclear Regulatory Research
Enclosure:
As stated
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anca azSm.TS Event
- 7. he P. psia TSLM. F Z. em SR. em T. hr P. esta TSL*MP. F Z. em SR.cz No Spray, No Coolers T,= 14d T, = 21d Core uncovers 28.4 31 34.8 29 Betis core seit 31.4 29 38.8 27 End core melt 36.1 33 44.4 32 Head failure 36.2 46 44.5 44 Debris quench 36.3 70 44.6 68 Begin concrete melt 38.5 49 197 0
0 47.6 46 194 0
0 10 he concrete eelt 48.5 36 230 1.3 21 57.6 35 219 0.3 17 20 br concrete melt
$4.5 49 257 35 53 67.6 42 252 31 47 Containment overpressure 3C0 135 384 85 319 360 135 failure Spray On, No Coolers 7,= led T, = 21d Core uncovers 28.4 21 34.8 21 Begin core melt 31.4 20 38.8 20 End core melt 36.1 27 44.4 33 Head failure 36.2 38 44.5 42 Debris quench 36.3 60 44.6 64 '
Begin concrete melt 38.5 28 1 85 0
0 47.6 13 137 0
0 10 hr concrete melt 46.5.
27 182 1.7 20 57.6 28 182 0.3 17 20 he concrete melt 58.5 31 190 37 51 67.6 31 190 32 46 Contain.=ent overpressure 372 135 450 135 failure No Spray, Cool::rs On 7,= led T, = 21d Core uncovers 28.4 15 34.8 15 Begin core =elt 31.4 14.4 38.8 14.4 End core melt 36.1 21 44.4 21 Head failure 36.2 30 44.5
}3 Debris quench 36.3 49 44.6 49 Begin concrete melt 38.5 17 125 0
0 47.6 17 123 0
0 s
10 hr concrete melt 48.5 17 156 2
19 57.6 17 149 0.3 16 20 hr concrete celt 58.5 20 220 42 51 67.6 20 219 38 46 Containment overpressure Eone None failure Sprey on, Coolers on T,= led T,= 21d Core uncovers 28.4 15 34.8 15 Begin core melt 31.4 15 38.8 15 End core salt 36.1 23 44.4 21 Head failure 36.2 30 44.5 29 Debris quench 36.3 49 44.6 47 Begin concrete melt 38.5 18 115 0
0 47.6 18 110 0
0 10 he concrete celt 48.5 18 102 2
19 57.6 18 97 0.3 16 40 hr concrete melt 58.5 21 107 40 51 67.6 20 102 38 46 Containment overpressure None None failure Notes 8
Initial conditions: pricar7 full of 230 F water at 1000 psia; secondary assumed to be dry.
Z = donward concrete penetration. e:2.
AR = radial concrete penetration, em.
Spray on 2 3000 gpm. injection f rom R'.!ST, recirculation from su=p.
Coolers on E 3 building coolers (with Oconee specs).
Overpressure f ailure ti=es were utrapolated.
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