ML20027B253

Second Set of Interrogatories Based on New Info.Related Correspondence

ML20027B253
Person / Time
Site:	Midland
Issue date:	09/13/1982
From:	Sinclair M SINCLAIR, M.P.
To:	CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
References
NUDOCS 8209160587
Download: ML20027B253 (2)

Text

',- a11&TED CORRESPONDMC2 UNITED STATES OF AMERICA DOCKETED' USNRC NUCLEAR REGULATORY COMMISSION Before the Ato=ic Safety and LicensinF Board

'82 S915 A!0:48 In the Matter of: )

) OFFICE OF SECRETAk -

CONSUMERS POWER COMPANY, Docket h.os. 50-329 00CKETING & SERvicr ~

) 50-330 BRANCH

)

(Midland Plant, Units 1 and 2) ) Ooeratine License SCOND SET OF INTERPDGATORIES BASED ON NEW INFDRMATION September 13, 1982 1he following are the second set of interrogatories to the Applicant based on new information found in the FES. I requested and was given an extension of time to respond to the FES.,

I,1bere is a marked discrepancy regarding the evaluation of the effects of the cooling pond between that of the Applicant and the Staff's conclu-sionsintheFES.(blj '

1. What was the basis for the Applicant's data that fog will form over the lake and be advected inland at air temperatures of

-18 C (O F), to which the Staff takes exception? (FES 9-19)

2. What is the basis of the Applicant's calculations that assume ,

that wind direction and air tc perature at the site are not correlated, a fact with which the Staff does not agreel (FES 9-19) 3 hhat heat load loss is expected on the Midland pond according to

, the Applicant?

4. How was this figure detemined?

5 khat experience, docu=ents or other data were relied upon to get this figure?

6. If models were relied for questions 1-5, who prepared the=7 8209160587 820913

{DRADOCK 05000329 D503

4 7.. Have any of the models been successfully applied in actual practice?

If so, where has it been applied? If not, what gives the Applicant the confidence it will work at the Midland site?

8. What types of actions to mitigate the effects of increased incidence of fogging and icing due to plant operation does the Applicant expect to take if it becomes necessary--an action the Applicant is committed to in ER Section 51.4.27 .

9. Is there any action short of enlarging the cooling pond that can reduce the temperature of the pond?

Respectfully submitted.

4

' h 11 ?f

, Mary Sinc cc: . a

~

Secretary, U.S. Nuclear Regulatory Commission Michael I Tillier, Esq. -

William Paton, Esq.

Mr. Wendell Marshall Ms. Barbara Stamiris James E. Brunner .

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