ML20030A419
| ML20030A419 | |
| Person / Time | |
|---|---|
| Site: | Big Rock Point File:Consumers Energy icon.png |
| Issue date: | 11/19/1974 |
| From: | Sewell R CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.) |
| To: | Ziemann D US ATOMIC ENERGY COMMISSION (AEC) |
| References | |
| NUDOCS 8101090470 | |
| Download: ML20030A419 (2) | |
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Ces: 212 West Machigan Avenue, Jackson, Michigan 49201. Area Code S17 788-0550 November 19, 1974 Mr. Dennis L. Ziemann Re: Docket 50-155 Chief Operating Reactor Branch No 2 License DPR-6 Directorate of. Licensing Big Rock Point Plant US Atomic Energy Commission Washington, DC 205h5
Dear Mr. Ziemann:
By letter dated November 14, 197h, we provided additional in-formation with regard to the Big Rock Point Reactor Depressurization System (RDS). Enclosure 2 to that letter contained pressure drop cal-culations for the RDS. On Page h of 8 of that enclosure, the pipe inner diameter was inadvertently not included in the denominator as a result of a typographical error. The corrected equation is as follows:
0.00000336 x 0.015h x 22.3h x (lkh x 3600)2 x 0 325
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(5 501)5 The calculated pressure drop is not affected as the error was typographical.
Yours very truly, d'h 4D RBS/ map Ralph B. Sewell Nuclear Licensing Administrator CC: JGKeppler, USAEC 1.5 y
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AEC DISTRIBUTION FOR PART 50 DOCKET MATERIAL (TEMPORARY FORM) 11852 CONTROL NO.
FILE:
Consumers Power Company DATE OF DOC DATE REC'D LTR TWX RPT OTHER FROM: Jackson, Mich. 492u1 Mr. R.B. Sewell 11-19-74 11-21-74 X
TO:
ORIG CC OTHER SENT sEC PDR Yvy D.L. Ziemann 1 signed SENT LOCAL PDR XXX CLASS UNCLASS PROPINFO INPUT NO CYS REC'D DOCKET NO:
XXX 40 50-155 DESCRIPTION:
ENCLOSURES:
Ltr re their 11-14-74 ler....ady that the -
enci #2 to their submittal contained an
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crror....and supplying the corrected v:rsion of the pressure drop calculations far the RDS......
Dist: Same as their 11-14-74
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PLANT NAME:
Big Rock Point N/ h_(( 8. -
FOR ACTION /INFORMATION 11-21-74
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1 - PDR SAN /LA/NY
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11-21-74