ML19221A042
| ML19221A042 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 06/25/1969 |
| From: | Racquel Powell US ATOMIC ENERGY COMMISSION (AEC) |
| To: | Tedesco R US ATOMIC ENERGY COMMISSION (AEC) |
| References | |
| NUDOCS 7905160521 | |
| Download: ML19221A042 (3) | |
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V wune I5, 1969 Files THEU:
E. L. Tedesco, Chief, RF3-2, DEL
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"iscussien-An inferral =eeting was held en June 17, 1969 with representa tives oi Eurns and Ece, srchitect-engineer, Schupac.< & Associates, structura _
censultant, Jersey Central Fever & Light Cc=pany, co-evner, and CEL to discuss the Three 411e Island Unit 2 (TMIE2) tendon acehorage systen.
The selection of the type of tenden and anchcrage has been made and the vender (5tressteel) selected. Since only the 3ERV vire tenden snencrsge system has been reviewed and accepted for use in prestressed containment building, the purpose of this meeting was to:
(1) discuss the type of anchorege to be used (2) indicate the type of suppcrting informatien which CRL ve.. ld require to sake an evaluation of the system.
The applicants indicated the tenden anc' crage syste: vould be ene of four systems described in Appendix 53 of the PSAR. McVever, the anchorage system selected for use in the TMIy2 vill be cene of the four described in tne PSAE.
A description of the proposed large strand ' tendons and 5,H vedge anchcrage syste= to be used in TMIp2 ccatainment building was given by the vender representative, Mr. Henry 30ecker, frco the Stressteel Corporation.
The tendcas to be used on TMIE2 are ;L strand /tenden 1/2 inch disteter, 7 wire /stra nd, 0.165 inch dia:eter wire, 270 Grade with an ultimate ca pe city of abcut 20C0 kips. The S/H (Stressteel/Hewlett) '4 edge Anencrage S.yste e plcys a three-piece cenical gripper which holds 3 strands per gripper.
The 5a strand tenden vill require 13 of the cenical grippers in a hexagonal s rre y.
Stressteel vill be perforcing 10 static tests en a full 5h strand 10-foot-lcng tenden to establish performance of the anchcrsge systec, and test the anchorage to the ultimate strength of the tendon. In addition to the static tests, dynamic tests have been perforced en (2) three strand conical gripper anChersges.
A ccpy of the cuestions submitted to Fancho Seco dated February 27, 1969 wa s given to the applicants infer: ally. It was pointed out to the applicants that tne infor:etica requested by this letter in particular Attaennent A, Criteria for Large Size Prestressing Tendens, and Attachment C, Criteris fcr Cesign of Acencrege Zcne of ?restresstne Tendens vould be applicsole to tne propcsed 5 E anchcrage syste= as well as the 33EV system to vnich they
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vare directed. The applicaats were inferred that additicnal infermaticn vould probably be required as cur evaluatien progresses.
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v Files June 25, 1969 Attached is a list of the =eeting attenoses.
Action Folleving the applicant! submittal en their propcsal, we vill review the adequacy of the design. To expedite ve can identify the type of infer atica which vill be required to =ake an evaluation of the proposed S!Ip2 S/H vedge anchorage system.
/s.60f Raf$w)R. Pavell ond Eeacter Froject 3rsach 2 Division of Reector Licecsing
Attachment:
List of Attendees Distribution:
Oceket File ERL Eeading FJ3-2 Feeding F. A. Merris F. Schreeder S. Levine R. LeYoung 3rsuch Chiefs, EEL co (2)
H. Steele R. Fevell A. Gluckmann G. Arndt R. Shev=aker m
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T.EE MILE ISM iD Gi!T 2 MEETnIG ASICA: ICE - JC;E 17, 1969 Jersey Centrsl/GPU rp"r J.
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?. Fevell A. L. Glue'creen Schurack i Asscciates E. G. Arndt M. Schupack R.
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chevcaker Burns & Ece Stressteel J. A:Cher H. 3cecker w
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