ML20206D194

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Forwards Correction to Errors in Description of Facility Recirculation Pump Area Sprinkler Sys Discussed in Insp Rept 50-155/88-06,in Support of Fire Protection Evaluation
ML20206D194
Person / Time
Site: Big Rock Point File:Consumers Energy icon.png
Issue date: 11/10/1988
From: Marbaugh K
CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To:
NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
References
NUDOCS 8811170004
Download: ML20206D194 (3)


Text

,e .s Consumers AIKJMAF5 PNSERE55 Power oeneral offices: 1946 West ParneH Hoad, Jackson, MI 49201 * (617) 799-oS50 r

November 10, 1988 Nuclear Regulatory Commission Document Control Desk Washington, DC 20555 ,

DOCKET 50-155 - LICENSE DPR BIG ROCK POINT PLANT -

CORRECTED INFORMATION TO SUPPORT BIG ROCK POINT FIRE PROTECTION EVALUATION Attachment 4 of Consumers Power Company letter dated August 31, 1979 provided a description of the Big Rock Point recirculation pump area sprinkler system. i During NRC inspection at the plant in March of 1988, as documented in Inspection Report 88006, the inspectors noted two errors in the information contained therein. The errors did not affect their conclusions as to the adequacy of plant fire protection measures, but tney did request that Consumers Power Company correct the docketed record. Attachment 1 to this letter provides the correct information.

wff/? bc Kenneth E Harbaugh Plant Licensing Engineer CC Administrator, Region III. NRC NRC Resident Inspector - Big Rock Point Attachment  :

i dt\

OCll88-0192-NLO4 8811170004 881110 PDR ADOCK 05000155 F PDC

r-2 ATTAC10fENT 1 Consumers Power Company Big Rock Point Plant Docket 50-155 CORRECTION OF ATTAC10fENT 4 TO CONSUMERS P0k'ER COMPANY LETTER DATED AUGUST 3, 1979 November 10, 1988 1 Page OC1188-0192-NLO4

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ITEM 3.1.23 RECIRCULATION PUMP AREA SPRINKLERS

'The recirculating pump area spray system will be a dry pipe system provided with a deluge type valve which will control the flow to the system. Operation of the spray system will be initiated by opening the deluge valve which will permit water to flow to the piping system and to the spray nozzles. Approved fire detection devices located in the same area as the spray nozzles will provide the alarm in the Control Room.

The deluge valve will be located in an accessible area and shall be capeble of remote manual operation from the Control Room. The deluge valve will be /

normally closed. A switch in the Control Room will be provided. /

The spray nozzles will be automatic type with a spray density of 0.35 gpm/ft" /

and spray angle of 65* and 140', The operating temperature of fusible element /

will be 250'F. /

l The location of the spray nozzles is shown on the attached isometric drawing.

l i

a T

OC1188-0192-NLO4 1