ML18191A185

GE Report, Analytical Model for Estimating Drag Forces on Rigid Submerged Structures Caused by LOCA and Safety Relief Valve Ramshead Air Discharges, NEDO-21471, Dated Sept. 1977

ML18191A185
Person / Time
Site:	Columbia
Issue date:	01/27/1978
From:	Sobon L General Electric Co
To:	Stolz J Office of Nuclear Reactor Regulation
References
MFN-040-78, NEDO-21471
Download: ML18191A185 (4)

Text

STANDARD DISTRIBUTION F C MIN I TERIAL RELATING TO II CONTAINMENT NRC FORM 196 UA. NUCLEAR REQULATORV CO ISSIO 0 I2-78) 7OPrc R'

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NRC DISTRI8UTION FoR PART 60 DOCKET MATERIAL TOP ICAL REPORT FROM: General Electric OATE OF'OOCUMENT Mr. John F. Stolz San Jose, Ca. 95125 01/27/78 L. J. Sobon OATE RECEIV EO 02/01/78 QLETTER QNOTORIZEO PROP INPUT FORM NUMSER OF COPIES RECEIVEO QORIQINAL QUNCLASSIFIED Qcopv OESCRIPTION G E~ Rept entitled-

"AnalyticalModel For Estimating Drag Forces On Rigid Submerged Structures Caused By LOCA And Safety R'elief Valve Ramshead Air Discharge NED0-21471, dtd September, 1977....

1p 1/2Ii LETTERS OF INCORPORATION WILL BE PLACED IN EACH DOCKET LISTED BELOW+

NOTE: CYS WILL BE PLACED IN THE LPDR FOR THE FO ING ZIMMER 5 - 5 NINE. MILE POINT. 50 4lO LIMERICK 50 WPPS 2 0 397 BAI 50- 67 SHO ~

$0 3V jcm 02/02/78 LA SALLE 50-373/374 O W~r FOR ACTION/INFORMATION INTERNAL OISTRI BUTION CENTRAL FILES NRC PDR 2 W 9 ts pea 0 ONLY R0 DEYOUNG LPDRIS 7 See Note A o e PS'ETTER K>> IQIIEL NSIC Oo PARR ACRS 6 Ie SIHWELL 2 Ge LAINAS 7 7 M~ RUSHBROOK J>> KNIGHT 2 We PIKE Ce ANDERSON Se VARGA Ie PELTIER LYiiICH MD

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GENERAL ELECTRI'C.- NUCLEAR ENERGY EI',II')f jm,'5ItlIJIIal5 lal P R0 J ECTSs'0 I V IS I0 N GENERAL ELECTRIC COMPANY 175 CURTNER AVE., SAN JOSE, CALIFORNIA 95125 MFN-040-28 MC 681, (408'25-3495 January 27, 1978

!Q U. S. Nuclear Regulatory Commission ~Ls j QJ Division of Reactor Licensing Office of Nuclear Reactor Regulation ,Ff g 9 )g78~ 'l1 Washington, D. C. 20555 Qs %I HJQQg s~~

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Attention: Mr.. John F. Stolz, Chief ~i~

Light Water Reactors Branch No. 3 Gentlemen:

SUBJECT:

GENERAL ELECTRIC REPORT, "ANALYTICALMODEL FOR ESTIMATING DRAG FORCES ON RIGID SUBMERGED STRUCTURES CAUSED BY LOCA AND SAFETY RELIEF VALVE RAMSHEAD AIR DISCHARGES," NEDO-21471, DATED SEPTEMBER, 1977 One hundred (100) copies of the subject report (NEDO-21471)'are being provided by General Electric for the Nark I and Nark II Owners Groups for your review as part of the respective Containment Programs, Tasks 5.14 and A.6.

This report describes methods for estimating drag forces. on rigid struc-tural members submerged in a suppression pool c'aused by the air discharge resulting from a Loss of Coolant Accident (LOCA) or Safety/Relief Valve Ramshead.Di,scharge.

A proprietary Appendix A to this report (NED0-21471), submitted by separate letter, contains the proprietary information referenced in the text of this report.

Any questions regarding this report should be directed to L. H. Frauenholz, the Nark II Containment Licensing Engineer, (408) 925-2623.

Sincer y L. J. Sobon, Manager BWR Containment Licensing Containment Improvement Programs LJS:jg/101 7gO'~3OO35

Enclosures:

100 cc: C. J. Anderson (NRC) H. C. Brinkmann (Mark II Owners Group)

L. S. Gifford (GE Bethesda) J. C. Guibert (NRC)

I. A. Peltier (NRC) R. L. Tedesco (NRC)

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