ML18155A247

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Forwards Addl Info Requested on 790508 Re Pressurizer Code Safety Valves & Main Feedwater Sys
ML18155A247
Person / Time
Site: Palisades Entergy icon.png
Issue date: 05/10/1979
From: Dewitt R, Hoffman D
CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To: Ziemann D
Office of Nuclear Reactor Regulation
References
TASK-07-03, TASK-7-3, TASK-RR NUDOCS 7905150309
Download: ML18155A247 (3)


Text

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  • consumers Power company General Offices: 212 West Michigan Avenue, .Jackson, Michigan 49201
  • Area Code 517 788-0550 May 10, 1979 Director, Nuclear Reactor Regulation Att Mr Dennis L Ziemann, Chief Operating Reactors Branch No 2 US Nuclear Regulatory Commission Washington, DC 20555 DOCKET 50-255 -LICENSE DPR-20 -PALISADES PLANT -ADDITIONAL INFORMATION PERTAINilJG TO NRC LIST DATED MAY 4, 1979 Attached is Consumers Power Company's response to your request for additional information telecopied to us on May 8, 1979. .. R B DeWitt Manager, Production-Nuclear David P Hofffman Assistant Nuclear Licensing Administrator CC JGKeppler, USNRC 790515 0 >67
  • ITEM 1 Provide following information for Pressurizer Code Safety Valves: l. Number -3 2. Capacity -230,000 lb/h Each 3. Set Points -2485, 2525 and 2565
4. Manufacturer and Model -Dresser/Consolidated Valve Division -Model 31 739 A-1. 5. Indications of Position -Downstream Temperature Indication (Alarm in Control Room) 6. Challenger

-None 7. Experience of Two Phase or Subcooled Discharge

-None ITEM 2 Provide data for the table below:

  • MAIN FEED-WATER SYSTEM
  • Pumps Drives Type Capacity Shut-off Head Type Supply Exhaust Trips Single Stage Centrifugal (2) 13,500 Gpm at 5000 r/min 2,640 Ft at 5000 r/min Steam Main Steam Line/HP Turbine Exhaust Main Condenser Low Suction Pressure Condenser Low Vacuum High Thrust Over speed Manual -Local and Remote Block Valve: (Mfg/Type/

Fail Position/Pas Indication)

Walworth Model 5232 P SB-WE/ Air Operated Gate/As Is/Yes Condensate Pumps: (No/Strainers)

Two Pumps/No Strainers 1

  • *
  • Demineralizers (No/No for Full Power/Mfg) (Bypass/Operation/

Fail Position)

FW Heaters (Bypass/ Operation/Fail Position)

Booster Pumps (No)

  • 2 4/3/DeLaval Yes/Air Operated Valve/As Is Yes/Manual/As Is None Control Valves (Feed-Water Reg Valves) Vertical Mounted -1 Per Feedwater Train/ (Arrangement/Operation)

Pressurizer PORV Fail Position/Tested/

Temp Ind/Alarm-Location)

.. Closed/Yes/Yes-RTDs Installed Downstream of PORVs/Ind and Alarm in Control Room l