ML19351F488
| ML19351F488 | |
| Person / Time | |
|---|---|
| Issue date: | 01/09/1981 |
| From: | Advisory Committee on Reactor Safeguards |
| To: | |
| References | |
| ACRS-T-0813, NUDOCS 8101130272 | |
| Download: ML19351F488 (9) | |
Text
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NUCLEAR REGULATORY COMMISSICN i.
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ADVISORY COMMITTEE ON REACTOR SAFEGUARDS I
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CGlCLUSIONS TEST RESULTS CONSISTBIT WITH PUBLISKD DATA CIRCULATION IFROVED COMBUSTION FOR LEAtl MIXTURES i
VERIFICATION OF REAVIRED GLOW PL W SURFACE TEW.
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C0fffIllUED TESTIflG RATED liNESTIGATI0fl 0F WATER SPRAY INVESTIGATI0fl 0F LARGE STEAM FPACTION TESTS i
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1 COMPARISON OF NTCP SITES WITH ILLUSTRATIVE CRITERIA IN NUREG-0625
)i MAX SECTOR MAX SECTOR MAX SECTOR i
SITES TOTAL TOTAL TOTAL
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j NUREG-0625 3,925 17,670 188,500 ALLENS CREEK 1,028 2,685 7,707 I
BLACK FOX 1,312 1,193 f,7,732 PEBBLE SPRINGS 375 3 312 310 PERKINS 2,252 4,637 39,805 PILGRIM 5,342 7,365 30,753 ]
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G=S SKAGIT 1,415 7,743 12,198 4
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1 COMPARISON OF NTCP SITES WITH j
ILLUSTRATIVE CRITERIA IN NUREG-0625 4
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SITES 0-5 MI 5-10 MI 10-20 MI NUREG-0625 100/MI2 150/MI2 400/MI2 OR OR OR l
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(0.75 RPD)
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ALLENS CREEK 23 26 28 i
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BLACK FOX 45 28 127 i
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PERKINS 57 125 187 PILGRIM 122 84 179 l
(363) i SKAGIT 48 52 34 l
- BPD-REGION &LPOPULATIONDENSITY MEGION IN IHIS ANALYSIS IS STATE f
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I SPECIAL MEASURES DRAFT 0718 PROPOSED 0718 l
SITING - COMPARE TO 0625 FULL PLANT / SITE RISK ASSESSMENT RELIABILITY ENGINEERING - SIMPLIFIED STRENGTHENED CONTAINMENT STUDIES ON SELECTED SYSTEMS DEGRADED CORE ACCIDENTS PENETRATION FOR FILTERED VENTED AVOID FORECLOSURE OF MITIGATING CONTAINMENT SYSTEM FEATURES PROPOSE ADDITIONAL PREVENTIVE /
MITIGATIVE FEATURES i
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(AT 100 PSIA PRESSURE IN CO{TAINKNT, THE FLN RATE INSIDE CONTAINENT IS 317,M) CFM IF PENETRATION SIZE IS 3 FT. DIAM.)
ACCIDENT (S) ACC0f0DATE BY 3 FT. DIAM. PENETRATION MCIDENTS NQL ACC0fiODATED MARK-III (M-IID f
15PSlo)
A SPECTRtN OF OVERPESSURE a (ST. EXP) B1IL LOW PRTABILITY VARYING FROM SLOW (POTENTIAL PENETRATION IN TIE DUE TO S AND NON-CONDENSIBES) 8(FAILURETOISOLATE CmTAIN)J PRTABILITY IS ip TO BUT NQI. RAPID STEAM f
DESIGN /SP. PUWT DEPENDENT AIR SPACE ABOVE SlFPR. P d TORAP(S))
SPIKE EST(r I.ARGE-DRY ((LD)
E - BASEMAT PENETRATION (PD 50PSIs)
RISE TIES TO REACH i
FAILURE PRESSURES OF i
TIE ORDER OF MINUTES IT CONDENSER (I-O (PD 12PSto) l I
(POTENTIALPENETRATION IN LPPER COPARTENT l