ML19209B158

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Interrogatories Directed to Applicant Re Contention 17. Includes Questions Re Layers & Thickness of Kaowool Covering Cable Trays,Heat Generated by Cables,Tests Performed on Fire Safety & Other Related Matters.W/Certificate of Svc
ML19209B158
Person / Time
Site: Zimmer
Issue date: 08/24/1979
From: Kosik L
KOSIK, L. S., MIAMI VALLEY POWER PROJECT
To:
Shared Package
ML19209B128 List:
References
NUDOCS 7910090257
Download: ML19209B158 (5)
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Text

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UNITED STATES OF AMERICA NUCLEAR REGULATORY COMMISSION In the Matter of:  :

DOCKET 70. 50-358 CINCINNATI GAS & ELECTRIC CO, ET AL.  :

(William H. Zimmer Nuclear Station)  :

INTERVENOR MIAMI VALLEY POWER PROJECT'S INTERROGATORIES TO APPLICANT REGARDING CONTENTION 17 Intervenor Miami Valley Power Project (MVPP) hereby propot.1.nds the following interrogatories to Applicant to be answered fully in writing, under oath, within fourteen (14) days afier service hereof in accordance with the following instructions:

1. " Describe in detail" shall mean give all data, calculations and assumptions used in formulating the answer.
2. These interrogatories request all knowledge or infer =atica in the possession of Applicant and/or Applicant's agents , represenr-atives, and unless priveleged, attorneys.

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1. At the Zimmer Nuclear Power Station (hereinaf ter "ZPS-1") ,

how many layers of Kaowool, and what thickness of Kaowool, cover the cable trays. If the number of layers and thickness varies, list every combination of thickness and number of layers of Kaowool used to cover the cable trays at ZPS-1.

2. At ZPS-1, what is the average percent fill of EPR insulated, Hypalon jacketed control cables?
3. At ZPS-1, what is the minimum and maximum fill of EPR insulated, Hypalon jacketed control cables?

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4. Once they are energi::ed, will any of the cables at ZPS-1 produce heat?
5. If the answer to the previous interrogatcry is in the affirmative, describe in detail the maximum amount of heat which will, under normal operating conditions, be generated by cables at ZPS .l.
6. If the answer to interrogatory 4 is in the af firmative ,

describe in detail the maximum amount of heat which can be produced under any conceivable set of circumstances by cables at ZPS-1.

7. Ecw were the conditions discribed in your answers to interrog-atcries 5 and 6 taken into consideration in tests regarding the fire safety of cable trays at ZPS-l?

?00R QMUL 8 Describe in detail the contact that flames had with Kaowool in each fire protection test regarding the cable trays at PS-1.

In answering this interrogatory, indicate whether the flames surround-ed, had some contact with, or had no contact with the Kaowool.

9. How did the sealing of the cable trays as described on page 9 of the report submitted by Construction Technology Laboratories on their Fire Protective Cable Tray Fire Test which concerned PS-1 differ frc. the manner in which cable trays are actually sealed at the CPS-l' site?
10. During any of the fire testing of cable ::a s for PS-1, were any of the cable tray supports located cursida of the fire :ene?

If so, describe in detail the constructier, and locatior of each such support with regard to the fire zone.

11. Identify all studies which concern the flow cf hea:ed air within the cable trays at PS-1. Attach ccpies cf such stufies to icur answers Oc these interrogatories.
12. Identify the location and use of all cables which do not meet IEZI 383 specifications.
13. Were any cables of the type described in your answer :=

interregatory 12 used in any fire protecticn :es: regarding the cable

. trays at CPS-l?

14. If the answer to interroga cry 13 is in the nega:1te, er: plain why they were not so tested.

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15. Identify and attach to your answer to these interrogatories ropies of all studies which concern the manner in which Kaowcol affects the build-up of heat in cable trays.
16. Supply the manufacturer's specifications for every type of cable which is channeled through a cable tray at ZPS-1.

Respectfully submitted August 2 4 ', 1979 , fe[ 2 3'% dd c Leah Kosik Attorney for MVpP 

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Aaam In the Matter of - D@ i . a, CINCI CiATI GAS & EIILTRIC Q. , ET AL.  : Docket .No. 50-358 (William H. Zir:mer Nuclear Station)  : CERTIFICATE OF SERVICE I hereby certify that ccpies of the following have been sent to all par-ies on the service list by ordinary U.S. mail en the 24th day of At=;ust , 1979:

1. Ccnfi=ation of witness, Febert Hofstadter.
2. iiird Valley Power Project's Motion For Evening Hearings.
3. IIird Valley Power Project's Motion To Reopen Discovery For Contention 13.
4. Mia:ni Valley Power Project's Motica For Full Disclosure.
5. Intervenor Mird Valley Power Project's First Set of Interro-gatories To .7.C Staff.
6. Intervencr Mird Valley PcNerProject's Interrogato:-ies To Applicant Eega.:fing Contentien 17.

Aug'm 24,1979 i Lean Kcsik Attorney fcr MVPP l}lm9 9$j _ .}}

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