ML19329B248
| ML19329B248 | |
| Person / Time | |
|---|---|
| Site: | Davis Besse  |
| Issue date: | 02/28/1972 |
| From: | Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| To: | Sampson G TOLEDO EDISON CO. |
| Shared Package | |
| ML19329B241 | List: |
| References | |
| NUDOCS 8001310595 | |
| Download: ML19329B248 (2) | |
Text
.
e.
A }G7; 2
^'>
(
[h ~.~ N j..
/
?.
UNITED STATES ATOMIC ENERGY COMMISSION
[
DIVISION OF COMPLIANCE REGION llt 799 ROOSEVELT ROAD og TELEPHohg GLEN ELLYN, ILUNOIS 60137 082) ass-zeso February 28, 1972 8
Docket No. 50-346 Toledo Edison Co= pony ATIN: 1:r. Glenn J. Sci:rpoon Vice President, Power 420 21 dicen Avenue Toledo, Ohio 43601 Gentleman:
With reference to our letter of Februsry 3,1972, concerning the incpection perforced on Jcnuary 11 - 12, 1972, we understood that you intended to co=plete an investigation effort to determine the cause of a series of low concrete strength cost results and that the invectigation vould include a revieu of the physical as well as the chemical acpects of concrete production. We also understood the results of the investigation uould be documented. Subsequent to the in:pection, our inspector indicated a need for a copy of the docu=ented results of the investigation. We request that you for-vard this material to this office at your earliest convenience.
Should you have questions concerning this letter, we vill be glad to discuss them with you.
Sincerely yours, Boyce H. Grier Engicnal Director cc:
L. E. Roc, Project Engineer bec:
J. B. Henderson, CO H. L. Undsvorth, General L. Kornblith, C0 Superintendent R. H. Engelken, CO J. A. Lanardcon, Quality P. A. Morris, DRL Assurance Enginaar CO Files _
DR Central Files PDR Local PDR NSIC R. L. Shannen, DTIE
_6 8001310 7
.-_~.
f f. o.,
- *1 i
DIVISION OF COMPLIANCE
~
MONTHLY REPORT FOR JANUARY 1972 i
4 i
i i
Toledo Edison Company (Davis-Besse) - An inspection was conducted on January 11-12.
During the inspection, the licensee notified i
the inspectors of a possible concrete low strength problem.
Results of seven-day tests were low for several cylinders taken from pours made on December 28-29 and January 4.
As a result of these test cylinder failures, a stop order for
]
concrete production was issued on January 12.
The licensee has initiated an investigation to identify the causes of the low test results.
4 l
I l
1 i
l
-l l
L g9' 1
I
_.... - - - -. -_, _, - -, _