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JAN 2 i E MEMORANDUM FOR: H. Kuo, Structural Engineering Branch, DSS A. Hafiz, Structural Engineering Branch, DSS FROM: C. Anderson, Containment Systems Branch, DSS T. Su, Containment Systems Branch, DSS
SUBJECT:
FLUID STRUCTURE INTERACTIONS FOR MARK II P0OL DYNAMIC LOADS The Mark II owner's group recently provided us with a revised schedule for their supporting program. This review schedule is attached. Based O. on this schedule and recent discussions with the owners it is apparent that they are proceeding on the basis that Fluid Structure Interaction, FSI, effects for chugging and SRV load are secondary considerations.
They have moved all of their FSI programs to the long term program as confirmatory efforts. Thus, they are asking us to accept the current loads specified in the Short Term Program, STP, (i.e., SRV, chugging -
pool bcundary and chugging - downcomer lateral loads) based on infonnation we have received to date. All of the Mark II FSI tasks are considered by them as confirmatory.
I ask that you provide me your evaluation of their position as soon as possible. If you agree with their position then I will assume that you do not anticipate any difficulty in providing an acceptable evaluation for FSI affects for Mark II pool dynamic loads on a schedule consistent with our current A-8 and A-39 review schedules (i.e., April 24,1978).
An acceptance of their position implies no increase in the Short Term Program chugging, SRV or downcomer lateral loads to account for load uncertainties due the FSI effects arising from test or plant unique considerations.
If you do not agree with their position, then I see the following as alternatives to their position.
- We recomend a load that we would find acceptable, where the !
recommended load is sufficiently conservative to account for load uncertainties resulting from FSI affects. ;
Contact:
C. Anderson, CSB 492-7711 l
8604020419 860114 PDR hEsO5-665
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- The A-8 and A-39 review schedules are slipped to reflect the slips in the Mark II owner schedules for receipt of documents related to FSI. Their current schedule for completion of FSI documents is as follows.
- 4T FSI report 1 Q 78
- Single Vent Lateral Loads 2 Q 78
- Monticello FSI 2 Q 78
- SRV and chugging FSI 1 Q 78 (method for plant applications)
- We outline the minimum information requirements for the lead plants, to be followed by additional confirmatory information in the Long Term Program.
It is important that I get some written response from you indicating an acceptable FSI approach prior to February 9,1978. This information is needed so that our review schedule can be modified if necessary, and the programatic deficiencies be identified to the Mark II~ owners to avoid future delays. I have also asked our consultants to provide me with this evaluation, q
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C. Anderson, Task Manager Gontainment Systems Branch Division of Systems Branch
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T. Su, Task Manager Containment Systems Branch ,
Division of Systems Safety i l
Enclosure:
l As Stated cc: R. Mattson J R. Tedesco ,
J. Knight I. Sihweil D. Jeng i I. Peltier '
J. Kudrick J. Glynn J. Guibert R. Stuart ,
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TABLE 1 MARK II CONTAlleqENT - SUPPORTING PROGRAM LOCA - RELATED TASKS TASK TARGET NUMBER ACTIVITY ACTIVITY TYPE C,0MPLETION DOCUMENTATION REMARKS A.1 "4T" PHASES I,.11, III Phase i Test Report Completed NED0/NEDE 13442P 5/76 Lead Plant SER Phase I Appi Memo Completed Application Memo - 6/76 Lead Plant SER Phase II & III Tests Completed NED0/NEDE 13468P - 12/76 Lead Plant SER Application Memorandue Completed NEDE 23678 - 1/77 Lead Plant SER A.2 POOL SWELL M00EL REPORT Model Report e Completed NED0/NEDE 21544P - 12/76 Lead Plant SER A.3 IMPACT TESTS PSTF 1/3 Scale Tests ' Completed NEDE 13426P - 8/75 Lead Plant SER Mark I 1/12 Scale Tejts Completed NEDC 20989-2P - 9/75 Lead Plant SER A.4 IMPACT MODEL PSTF 1/3 Scale Tests Completed NEFC 13426P - 8/75 Lead Plant SER Merk i 1/12 Scale Tests Completed NEDC 20989-2P - 9/75 Lead Plant SER EPRI 1/13 SCALE TESTS EPRI Report completed EPRI MP-441 - 4/77 Lead Plant SER" A.5 LOADS ON SUBMERGED STRUCTURES LOCA/RH Air Bubble Model 1/78 NEDE 21471 Lead Plant SER LOCA/RH Water Jet Model 1/78 NEDE 21472 Lead Plant SER Appilcations Methods 1/78 NEDE 21730 Lead Plant SER Quenc. Air Bubble Model 2Q 78 NEDE 21570 Quenc. Water Jet Model 2Q 78 NEDE 23539 Steae Condensation Model 2Q 78 NEDE 23610 Appl. Meso. Supp. 2Q 78 NEDE 21730 Supplements Simple Geometry Tests 2Q 78 Report 1/4 Scaling Tests 2Q 78 Report Model/ Data Eval. 3Q 78 Report A.6 CHUGGING ANALYSIS Ale TESTING Single Cell Report Completed NEDE 23703-P - 11/77 Lead Plant SER Multivent Model 1/78 NEDE 21669P 4T FSI Report IQ 78 NEDE 23710-P A.7 CHUGGING SINGLE VENT CREARE Report IQ 18 Report A.9 ERPI TEST EVALUAfl0N EPRI-4T Comparison Completed NEDO 21C57 - 8/77 Lead Plant SER*
CK:csc/1M2 LHF 1/78
I TABLE I MARK II CONTAIMM[NI - SUPPORTING PROGRAM LOCA - RELATED TA5KS TASK NUPE[R TARGET ACTIVITY ACTIVITY TYPE COMPLETION DOCUMfMTATION REMARKS A.ll RlLIIVENT SUBSCALE TESTING Preliminary MV Prog Plan Complete NEDO 23697 - 12/77 AND ANALYSIS Phase I Scaling Anal. Lead Plant
- IQ 78 Report Phase I Scoping Tests 4Q 78 Report Phase II MV Test &
Final Prog. Plan IQ 79 Report Phase II MV Test Rept. IQ 80 Report MV Tests - Final Rept. 3Q 80 Report
, A.13 SINGLE VENT LATERAL LOADS Analysis Report 2Q 78 Report "Subeltted in' response to NRC questions.
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Y. ,
CK:csc/lM3 LHF 1/78 1
TABLE 1 MARK II CONTAINMENT - SUPPORTING PROGRAM SRV - RELATED TASKS TASE - TARGET NUMBER ACTIVITY ACTIVITY TYPE COMPLE TION DOCUMENTATION REMARKS 8.1 QUENCHER MODEL DFIR Model Completed NED0/NEDE 21061-P - 9/76 Confirmatory Tests IQ 79 Report 8.2 RAMSHEAD MODEL Analysis Completed NED0/NEDE 21061-P - 9/76 Lead Plant SER i 8.3 MONTICELLO IN-PLANT 5/RV TESTS Preliminary Test Report Completed NLDC 21465P - 12/76 Lead Plant SER Hydrodynamic Report Completed NEDC 21581P - 8/77 l 8.4 CONSECUTIVE ACTUATION Analytical Models 2Q78 Report TRAN51ENI ANALYSIS 1
8.5 5/RV QUENCHER IN-PLANT Test Plan Completed NEDM 20988 - 12/76 1
CAOR50 1ESTS Advance Test Report 2Q 78 R< port Final Report 4Q 78 Report i
8.6 THERMAL MIXING M00EL Analytical Model 3/78 NEDC 23689 8
8.10 MONTICELLO FSI Analysis of FSI 2Q 78 Report 8.11 0FFR RAM 5 HEAD MODEL COMPARISON Data /Model Comparison Completed MSC-GEN 0394 - 10/77
- TO MONTICELLO DATA B.12 RAMSHEA0 SRV METH000t0GY Sl9 MARY Analytical Methods Completed NEDO 24070 - 11/77 Lead Plant SER I
CK:csc/IN2 tHF 1/78
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