ML20062L203
| ML20062L203 | |
| Person / Time | |
|---|---|
| Site: | Midland |
| Issue date: | 12/02/1980 |
| From: | Mccallister P ARMY, DEPT. OF, CORPS OF ENGINEERS |
| To: | Lear G Office of Nuclear Reactor Regulation |
| Shared Package | |
| ML20062L201 | List: |
| References | |
| ISSUANCES-OL, ISSUANCES-OM, NCEED-T, NUDOCS 8101220122 | |
| Download: ML20062L203 (4) | |
Text
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!:CEED-T dCbJECT:
Interagency Agreer.. nt No. NRC-03-79-167, Tash '.o.
1 !!d tmd Plant Unit I and 2 Subtash No. 2 T.
- 9. r,2 Lear, Chief
'.5. ::uelaar Regulatory Commi ssion
'.ydrologic & Ceotechnical Engr. Br.
t Division of Engineering
' fail Stop P-214 2ashington, DC 20555
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Dear !!r. Lear:
Reference is made to the letter of 10 November 1980 from Mr. R. L. Tede sco, 6
Assistant Director for Licensing, Division of Licensing, to Mr. J. W. Cook, Vice President, Consumer Power Company, conveying the NRC action on the t
applicants request of 29 August 1980 for relief from making additional borinc.s and testing of soil sampics frora eighteen (18) areas on the !!idland plant site.
I We have reviewed the NRC letter, and concur with the decision reached. The six (6) boring locations, from which requirements of the Standard Penetration Tests (SPT) have been relaxed were provided in our letter of 30 September 1980. We are inclosing a new map (Figure 1) showing all the borings in the plant fill area with special identification of the six (6) borings from which the SPT's have been eliminated. We are also inclosing a map (Figure 2) showing the relocated boring locations on the cooling pond diken.
In our opinion, relocations of the three borings (COE-1, COE-2 and CDE-3) from the south and east dikes and one boring (COE-7) from the..orthwest area to the emergency cooling pond dikes are advisable. Data from these four relocated l
borings will help evaluate the stability of the dike around the Cater,ory 1
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Emergency Ccoling Pond (baf fle dike.tud ruin dike).
This will also help i
evaluate any potential impact on Category 1 discharge pipes which are located i
along either side of the emergency cooling pond and ultinntely enter the reservoir at the south end.
Selection of undisturbed samples locations should be based on the renults of the SPT's to be performed prior to taking. samples at each borinr. locat ion.
For the six (6) boring locations in tlye plant fill area where SPT data is l
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Interagency Agreewnt No. NRC-03-79-167, Task No.1 Midland Plant Unit I and 2 Subtask No. 2 available, the taking of undisturbed samples should be based on this data.
The NRC Regulatory Guide 1.132 entitled " Site Investigation for Foundition of Nuclear Power Plant" should provide guidance for explorations and taking of undisturbed samples. Laboratory testing of the recovered samples should follow the guidance of NRC Regulatory Guide 1.138 entitled " Laboratory Investigation of Soils for En;;ineering Analysis and Design of Nuclear Powr Plant."
Sincerely, f M 'v}. f
/f 2 Incl g,- P. McCALLISTER As stated
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Chief, Engineering Divisior.
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