ML19305D089

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Response to Mi Lewis Fourth Set of Interrogatories Re Restart Proceeding.Includes Info Re Pathway Analyses & Radwaste Gas Sys Drawings.Gf Trowbridge 800331 Forwarding Ltr to Mi Lewis Encl
ML19305D089
Person / Time
Site: Three Mile Island Constellation icon.png
Issue date: 03/31/1980
From: Trowbridge G, Zahler R
METROPOLITAN EDISON CO., SHAW, PITTMAN, POTTS & TROWBRIDGE
To:
AFFILIATION NOT ASSIGNED
Shared Package
ML19305D049 List:
References
NUDOCS 8004140051
Download: ML19305D089 (4)
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Lic 3/31/80 UNITED STATES OF AMERICA NUCLEAR REGULATORY COMMISSION BEFORE THE ATOMIC SAFETY AND LICENSING BOARD In the Matter of )

)

METROPOLITAN EDISON COMPANY ) Docket No. 50-289

) (Restart)

(Three Mile Island Nuclear )

Station, Unit No. 1) )

LICENSEE'S RESPONSE TO FOURTH SET OF INTERROGATORIES OF MARVIN I. LEWIS INTERROGATORY NO. SP-28 ,

The answer to SP-2 is not responsive. No attempt is made to answer the sentence, " Include where in the Restart Report this particular pathway is eliminated or repaired." Rather than go through the ob-jection route, the expanded SP-2 is refiled as SP-28.

(A) State which materials, filters, and items did not work as well as expected in the vent header and filters.

(B) State the page number and the paragraph number in the Restart Report where this problem is investi-gates.

(C) State the page number in the Restart Report where remedial action is described to eliminate each par-ticular problem observed at TMI-2 from TMI-l in the vent header and the filters.

The answer to SP-28 requires that page numbers be cited to be re-sponsive.

RESPONSE

(A) Pathway Analyses beyond those identified in response to SP-2 have not been completed. Licensee is con-tinuing its evaluation of all significant accident pathways. Iodine filter pe:clormance is described in response to Interrogatory No. SP-9.

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'. (B) These investigations are not described in the R'.-

start Report. .

(C) Sections 7.3.3.2, and Table 2.1.4 discuss tests to be performed on these systems. Page numbers may change with additional amendments to the Re-start Report and therefore only section numbers -

are provided.

INTERROGATORY NO. SP-29

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The attachments for SP-5 and SP-12 are grossly inadequate. Inter-venor Lewis sincerely hopes that these are not the size for letter-ing used on drawings distributed on site. The letters are so small as to be completely illegible. Resubmit working drawings as specified in SP-5 and SP-12 which meet the following guide-lines: Lettering shall be of such a size that the smallest letter is easily read by a person with unaided 20-20 vision.

Do not send a schematic as your entire attachment. Submit a working drawing which gives details such as duct work, assemblies, materials and instructions to workers.

RESPONSE

Full-sized drawings,of the previously submitted Radwaste Gas System and the Auxiliary Building Ventilation System have been placed in Licensee's Discovery Reading Room. Licensee has reviewed the available drawings and did not find other relevant drawings.

INTERROGATORY NO. SP-30 Where did the data in SP-ll attachment A originate?

RESPONSE

The previously submitted attachment for SP-ll was furnished from test files and was produced by staff utilizing information in Report No. KEK-2449 (1977) by J. G. Wilhelm titled Iodine Filters in Nuclear Power Plants.

INTERROGATORY NO. SP-31 Intervenor Lewis cannot find index to drawings in Restart Report.

It may have been mislaid. Instruct Gilbert Associates to send another index of drawings in Restart Report to 6504 Bradford Terrace, Philadelphia, Pa. 19149.  !

RESPONSE

No index to drawings in the Restart Report has been prepared.

Respectfully submitted, t SHAW, PITTMAN, POTTS & TROWBRIDGE By: 249u -

MbJ Tporgy F.O Trbt/ bridge Robert E. Zahler

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Dated: March 31, 1980 t

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March 31, 1980 Marvin I. Lewis 6504 Bradford Terrace Philadelphia, Pennsylvania 19149 Re: Three Mile Island Unit 1 Docket No. 50-289 (Restart)

Dear Mr. Lewis:

I enclose Licensee's response to your 20th set of interrogatories. Copies of signed affidavita isr these responses are not enclosed, but will be forwarded soon.

A copy of these materials is also being forwarded to Ms. Susan Barley, under separate cover.

Sin rely yours, eor AwM F. Trowbridge Enclosure cc: Service List

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