ML19329A899
| ML19329A899 | |
| Person / Time | |
|---|---|
| Site: | Davis Besse  |
| Issue date: | 07/22/1975 |
| From: | Schwencer A Office of Nuclear Reactor Regulation |
| To: | Roe L TOLEDO EDISON CO. |
| References | |
| NUDOCS 8001150796 | |
| Download: ML19329A899 (4) | |
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NRC PDR Docket Mc.: 50-346 J'A 3 ?. *a15 L PDR Docket Files LWR 2-3 Rdg VAMoore FSchroeder The Toledo Edison Company WMcDonald ATTN:
Mr. Lowell E. Roe LWR TCs Vice President, Facilities ELD Development IE (3)
Edison Plaza LEngle 300 Madison Avenue EGoulbourne Toledo, Chio 43652 TR BCs LWR BCs Gentlemen:
ACRS (14)
The NRC is presently requesting additional information as provided in the enclosure to this letter on a uniform basis to all applications presently being reviewed for a operating license. The information vill be required for our completion of the Davis-Besse. Unit I review.
In order to maintain our licensing schedule, we vill need your responses to the enclosure by November 3,1975, in order that our evaluation may be incorporated in the supplement to the Safety Evaluation Report scheduled to be issued on January 12, 1976.
If you cannot meet the response date, please inform us within seven days af ter receipt of this letter so that we may revise our scheduling.
Please contact us if you have any questions regarding the enclosure provided.
Sincerely, cf N
A. Schwencer, Chief Light Water Reactors Branch 2-3 Division of Reactor Licensing
Enclosure:
,(-q Requese for additional
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2-The Toledo Edison Company ces: Donald H. Hauser Esquire The Cleveland Electric Illuminating Company P. O. Box 5000, Room 610 Cleveland, Ohio 44101 Gerald Charnoff, Esquire Shaw, Pittman, Potts, Trowbridge and Madden 910 - 17th Street, N. W.
Washington, D. C.
20006 Leslie Henry, Esquire Fuller, Seney, Henry & Hodge 300 Madison Avenue Toledo, Ohio 43604 becs:
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-_O' REQUEST FOR ADDITIONAL INFORMAlt0N l
I EliCLOSURE 1.
Provide the following qualification test program information for i
balance of plant Class IE equipment.
a) Equipment Design specification requirements, b) Test Plan, c) : Test set up, di Test procedures, and
. e). acceptab i ~. i t' goals and require:r.ents.
This information shall be provided for at least one item in each of.the following' groups of Class IE ecuiraant including test results, a) Switchgear, b) !!otor control centers, c) Valve operators (in containment),
d) iiotors, e) Logic Equip.nent, f) Cable, and g) Diesel Generator Control Equipment
~2.
Provide ycur design criteria and precedures for fire stops and seals. Your response :hould address but not be limited to the following:
a) Cable and cable tray penetrations through walls and floors, and all other typ0s of cable ways or conduits.
b)_ Design criteria for each type of fire. stop and scal installation.
c)
Interval (physical distance) at whicli the fire stops are installed in vertical cable trays, and in horizontal cable trays (if any).
d) list of r.1aterials used and their characteristics with regard to flammability. and-fire retardancy and their fire underwriters rating.
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e) The QA and test procedures used.to verify that penetration fire stops and seals have been properly installed, f) The qualification testing of the fire stops and seals to demonstrate adequacy over the life of the plant.
g) The administrative procedures and controls that v ill be followed when it becomes necessary to breach a completed fire stop or seal to add or remove cables.
h) The periodic inspections perfern.ed to identify open or deteriorated fire stops and seals:
In addition evaluat: the adequacy of your dcGign with rcor.d to fire hazards in areas of concentration of electrical c.lcs.
Identify the areas involved and describe the fire dctccGicn ar.d protecticn systen and equipment provided to control and ex-tinguish caole fires and to nssure that fire in one systen will not propagate to another rudundant system.
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