ML20209G437

Forwards Addl Info Re SER Backfit Item 7 (Fire Suppression in Cable Spreading Room),Per NRC Request in SER Section 9.5.1.6.Response to Item 4 Provided in Jj Carey , Per Sser 3

ML20209G437
Person / Time
Site:	Beaver Valley
Issue date:	01/28/1987
From:	Carey J DUQUESNE LIGHT CO.
To:	Harold Denton, Tam P Office of Nuclear Reactor Regulation
References
2NRC-7-017, 2NRC-7-17, TAC-62882, TAC-628827, NUDOCS 8702050366
Download: ML20209G437 (4)

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glQ T416 M 2NRC-7-017 Beaver Valley No. 2 Unit Project Organization S.E.G. Building Telecopy (4 643 2 Ext.160 P.O. Box 328 January 28, 1987 Shippingport, PA 15077 Mr. Harold R. Denton Office of Nuclear Reactor Regulation United States Nuclear Regulatory Commission Washington, DC 20555 ATTENTION: Mr. Peter Tam, Project Manager Division of PWR Licensing - A Office of Nuclear Reactor Regulation

SUBJECT:

Beaver Valley Power Station - Unit No. 2 Docket No. 50-412 Supplenental Infonnation Related to SER Backfit Iten 7

REFERENCE:

OLC Letter 2NRC-5-137, dated October 8, 1985, Mr. J. J. Carey to Mr. Hugn L. Thainpson Gentlemen:

Attached is the additional infonnation related to SER Backfit Iten 7 (Fire Suppression in the Ca' ole Spreading Roan) that has been requested by the NRC in SER Section 9.5.1.6. In this section, the NRC has requested Duquesne Light Conpany (DLC) responses to four i tens . The response to Iten 4 has been provided in the above-noted reference as stated in SER Supplenent No. 3. OLC believes that the attached responses to Iteils 1, 2, and 3 provide the infor-mation necessary for the NRC to close SER Backfit iten 7.

DUQUESNE LIGHT COMPANY By L/J. p./ Carey #

Sr. VicVPresident JD0/ijr NR/JD0/BKFT/I TM Attachment AR/NAR cc: Mr. P. Tam, Project Manager - w/ attachment Mr. J. Beall, NRC Sr. Resident Inspector - w/attachnent INPO Records Center - w/ attachment NRC Document Control Desk - w/attachnent 8702050366 870128

{DR ADOCK 05000412 PDR

United States Nuclear Regulatory Conmission

• - Mr. Harold R. Denton, Director Supplemental Infonnation Related to SER Backfit Item 7 Page 2 COMMONWEALTH OF PENNSYLVANIA )

) SS:

COUNTY OF BEAVER )

On tnis((/// day of 4tudze , //// , before me, a Notary Public in and for said danmonwealt/p and County, personally appeared J. J. Carey, who being duly sworn, deposed and said that- (1) he is Senior Vice President of Dtiquesne Light, (2) he is duly authorized to execute and file the foregoing Submi ttal on behalf of said Company, and (3) the statenents set forth in the Submittal are true and correct to the best of his knowledge.

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Supplementa' l Infonnation Related to SER Backfit Item 7 (Fire Suppression in the Cable Spreading Room) Requested in SER Section 9.5.1.6 Item 1 The applicant should implenent the reconmendations provided by the applicant's hisnan f actors - expert in his letter dated March 18, 1985. (This letter was submitted to the NRC attached to the applicant's letter dated April 25, 1985.)

Response

In a letter to DLC dated March 18 1985, DLC's Human Factors consultant (Essex

- Corporation) made the following reconmendations:

1. Non-skid surfaces. To reduce the potential for skidding on wet, slippery stair, ranp and walkway surf aces, a non-skid coating could be applied.

2. Reflective tape. Reflective tape strips could be applied to stair rails, aisle centers and other surf aces to increase their visibility and guide movement under conditions of reduced illumination and degraded visibility.

3. Handrails. Where handrails do not exist on stairs and ranps, renov-aDie rails could be added as a personnel safety measure and as a guide to movement. Easily renovable rails would pennit rails to be renoved for maintenance access.

4. Padding Obstructions. Beans partially obstructing walkways could be paaaea to reauce the impact of inadvertent collisions during movement under conditions of reduced visibility.

5. Communication Between Firefighters. It is reconmended that a study be made _of lignt-weight, portaDle, Conmunications devices for voice conmunication within a fire brigade. The noise levels that can be expected to occur during fire containment operations may be sufficiently high to mask the audibility of unaided voice communications anong fire crew members.

The extent to which DLC will implement each of these recommendations for the

! Cable Spreading Roan is as follows:

l 1. Non-skid surfaces. Standard equipnent for the fire brigade includes j boots which are designed to reduce the potential for skidding on wet i surfaces. Steel grating is used for the surf aces of the Cable

! Spreading Roon access pl atforms and stairs. This will provide

, protection against skidding on these surf aces.

2. Reflective tape. Walkways and itens which partially obstruct walkways (such as caule trays and cable tray supports) will be marked in a i manner which increases their visibility and guides movenent under conditions of reduced illumination and degraded visibility.

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3. Handrails. Handrails have been installed on the platfonn and stairs which provide access over the low-running cable trays in the northwest corner of the Cable Spreading Roon. The two lower platfonns are loca-ted in an aisle between cable trays. The cable trays provide a rail for guiding movenent over these platforms and their stairs. Also, the width of these two platforms covers the aisle width and the platforms are provided with toe plates. These features provide adequate safety for personnel traversing these platforms.

4. Padding Obstructions. To reduce the impact of inadvertent collisions during movement under conditions of reduced visibility, obstructions will be padded. These itens will also be marked as stated previously in Iten 2.

5. Communication Between Firefighters. Unaided voice conmunications anong fire crew mencers has been detennined to be adequate during firefighting operations based upon experience gained during training ano drills. i i

Iten 2 1

The tenporary ranps and pl atforms needed to facilitate passage should be l replaced with pennanent installations that are of sufficient size and design to allow safe passage for firefighters.

Response

All tenporary ranps and platfonns have been replaced with permanent instal-lations which are designed to allow safe passage for firefighters.

Iten 3 Training should be provided for the fire brigade.

Response

Prior to fuel load each menber of the fire brigade will undergo training spect-fically related to firefighting in the Cable Spreading Roon. This training will include walkthroughs of the Cable Spreading Room in full brigade gear.

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