ML19323C614
| ML19323C614 | |
| Person / Time | |
|---|---|
| Site: | La Crosse File:Dairyland Power Cooperative icon.png |
| Issue date: | 05/12/1980 |
| From: | Linder F DAIRYLAND POWER COOPERATIVE |
| To: | Ziemann D Office of Nuclear Reactor Regulation |
| References | |
| TASK-02-04, TASK-03-06, TASK-2-4, TASK-3-6, TASK-RR LAC-6910, NUDOCS 8005160393 | |
| Download: ML19323C614 (2) | |
Text
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[k COOPERAT/VE eo oOx si7 26is EAST AV COUTH
- LA CROSSE WISCONSIN 5460i (608) 788 4000 May 12, 1980 In reply, please refer to LAC-6910 DOCKET NO. 50-409 Director of Nuc.1. ear Reactor Regulation ATTN:
Mr. Dennis L.
Ziemann, Chief Operatirig Reactors Branch #2 Division of Oparating Reactors U.
S. Nuclear Regulatory Commission Washington, D.
C.
20555
SUBJECT:
DAT.RYLAND POWER COOPERATIVE LA CROSSE BOILING WATER REACTOR (LACBWR)
PROVISIONAL OPERATING LICENSE NO. DPR-45 LIQUIFACTION POTENTIAL AND SEISMIC ANALYSIS OF SYSTEMS AND STRUCTURES AT LACBWR -
(SEP TOPICS II-4 AND III-6)
Reference:
(1)
NRC Letter, Ziemann to Linder, dated April 25, 1980.
Gentlemen-Your letter (Reference 1), which was received on May 2,
- 1980, requested that you be informed of our intent to respond to your letter and to provide a schedule for the response.
We intend to respond in full to the review questions presented with Reference 1.
In most cases, due to the need for extensive research and consultation prompted by the questions, it is expected that response information will be submitted over a period of approx-imately six weeks.
Iten 1 - Identification and evaluation of structures and components critical to safe shutdoun, etc.
Response containing preliminary evaluation estimated to be completed and submitted by June 30, 1980.
Iten 2-Density and earth pressure coefficient of the soils of concern.
a.
Initial response estimated to be submitted by May 16, 1980.
Response will contain several plots with an explanation of how blow counts as influenced by pile driving were predicted and measured for_the referenced project..
Mr. Dennis L.
Ziemann, Chief LAC-6910 Operating Reactors Branch #2 May 12, 1980 b.
Initial response estimated to be submitted by May 23, 1980.
Response will contain several plats and short discussions of other case histories.
c.
Initial response estimated to be submitted by May 23, 1980.
Response will contain several short explanations and references to other case histories.
d.
Following appropriate technical discussions with your technical staff regarding the necessity and scope of field work, it is estimated that a schedule for the development of additional site specific data can be provided by June 13, 1980.
Item 3 - Site etability during excavation and pile driving during construction.
Response estimated to be stamitted by May 23, 1980.
Construction records, logs and diaries are being researched for field data.
Item 4 - Basis for doneity increaseo.
Initial response estimated to be submitted by May 16, 1980.
Table of calculations to be provided.
Item 5 - N, and depth values.
Initial response estimated to be submitted by May 30, 1980.
Sub-mittal will include tables and plots.
Item 6 - Effect of an oiled rope.
Initial response estimated to be submitted by May 30, 1980.
Earlier submittal may be possible based on schedule of Professor Seed.
Item 7 - Basic for a lover SSE.
Initial response estimated to be submitted by June 6, 1980.
If there are any questions concerning the schedules presented above, please contact us.
Very truly yours, DAIRYLAND POWER COOP 2:1'IVE
/
9 Frank Linder, General Manager PL:RES:af cc:
J.
Keppler, Reg. Dir., NRC-DRO III