ML19274D138
| ML19274D138 | |
| Person / Time | |
|---|---|
| Site: | Davis Besse  |
| Issue date: | 01/10/1979 |
| From: | Roe L TOLEDO EDISON CO. |
| To: | Reid R Office of Nuclear Reactor Regulation |
| References | |
| 480, NUDOCS 7901150094 | |
| Download: ML19274D138 (17) | |
Text
.
TOLEDO
%s EDISDN Docket No. 50-346 LOWELL E. ROE Operating License No. NPF-3 l'c%""$.",*,,,,.n.
Serial No. 480 January 10, 1979 Director of Nuclear Reactor Regulation Attn:
Mr. Robert W. Reid, Chief Operating Reactor Branch No. 4 Division of Operating Reactors U.S. Nuclear Regulatory Commission Washington, D.C.
20555
Dear Mr. Reid:
Your letter dated December 20, 1978 requested additional information and confirmation of dates for completing the modifications being made at the Davis-Besse Nuclear Power Station Unit 1 to implement the Fire Hazard Analysis Report.
The first paragraph of your letter asked that we identify the areas where specific modifications remain to be completed.
There were 14 specific categories included in my letter of December 12, 1978, Serial No. 473.
Item 11 on that letter should read " Portable Radio Communication is being made available for 33 rooms or areas".
The breakdown of the 14 categories of modifications or additions to be made are delineated on the attached list.
In accordance with License Condition 2.C.(3)(h) we are scheduling comple-tion of tL_;? modifications by April 22, 1980. However, it should be noted that our first refueling outage, during which some of these modifi-cations must be accomplished, is presently set for mid-March thru mid-Fby, 1980. We have scheduled completion of the fire protection modifica-tions for the service water pump and valve rooms for July 1, 1979, and we will make every effort to meet that date.
The date for providing the procedures for backup to the service water system from the circulating water system is February 28, 1979.
Yours ve y truly, t
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THE TOLEDO EO! SON COMPANY EDISON PLAZA 300 MADISON AVENUE TOLEDO. OHIO 43652 7 90115 0 69'/t S
License No. NPF-3 January 10, 1979 1.
FIRE Eh~rINGllISHERS Install additional hand-held portable fire extinguishers in the following rooms:
No. 2 Mechanical Penetration Room (Room 236)
No. 1 Mechanical Penetration Room (Room 208)
No. 3 Mechanical Penetration Room (Room 303)
No. 4 Mechanical Penetration Room (Room 313)
No. 2 Electrical Penetration Room (Room 427)
Passage (Room 241)
Valve Room (Room 212)
Maintenance Room (Room 320)
High Voltage Switchgear Room (Room 323)
Fuel Handling Area (Room 300)
Service Water Pump Room (Intake Structure)
Control Room Complex Maintenance Work Area (Room 109) - Special Class D Lry Powder Type Extinguisher Located Near Lathe.
Page 1
License No. NPF-3 January 10, 1979 2.
SPRINKLER SYSTEMS Install wet pipe sprinkler systems equipped with quick response type sprinklers in the following rooms:
No. 4 Mechanical Penetration Room (Room 314)
Passage (Room 227)
Corridor (Room 209)
Passage and Hatch Area (Rooms 310 & 313)
Corridor (Room 304)
Radwaste Exhaust Equipment and Main Station Exhaust Fan Room (Room 501)
Component Cooling Water Heat Exchanger and Pump Room (Room 328)
Service Water Pump Room and Valve Room (Intake Structure)
Clean Waste Receiver Tank Room (Room 124)
Install a wet pipe sprinkler system equipped with thermal actuated type water spray nozzles in the following room:
Cable Spreading Room Convert the existing manual sprinkler system in Diesel Generator Rooms 318 and 319 to an automatic pre-action type sprinkler system.
A modera+.e energy line crack analysis will be performed on water fire suppression system modifications and the existing auxiliary building water fire suppression system.
Page 2
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License No. NPF-3 January 10, 1979 3.
WATER CURTALNS Install an automatic water curtain on the.following walls designated as fire barriers which are designed to spray water across unprotected feedwater vent openings.
No. 4 Mechanical Penetration Room (Room 314) - Feedwater vent openings located in the east wall of the room.
Boric Acid Evaporator Tank Room (Room 235) East wall -
Feedwater vent opening interfacing with clean waste receiver tank room 124.
Boric Acid Evaporator Tank Room (Room 235) - Feedwater vent opening located in the north wall of the room.
NOTE:
These wall openings are required to relieve room over pressurization from a steam or feedwater line rupture.
Page 3
License No. NPF-3 January 10, 1979 4.
CONCRETE CURBING Install concrete floor curbs around the pumps in the following rooms:
Component Cooling Water Heat Exchanger and Pump Room (Room 328)
Service Water Pump Room (Intake Structure)
Install a concrete curb under the following doors:
Door 316 located in the north wall of Diesel Generator Room 318.
Door 317 located in the east wall of Diesel Generator Room 318.
Door 218, at the entrance to the service water pump area on the diesel fire pump side.
Page 4
License No. NPF-3 January 10, 1979 5.
HOSE STATIONS Install an additional hose station in each of the following areas:
Near Door 322 in the heater bay area on Elevation 585'-0".
Intake Structure.
No. 2 Mechanical Penetration Roota (Room 236)
No. 1 Mechanical Penetration Room (Room 208)
Diesel Generator Room (Room 319)
Diesel Generator Room (Room 318)
No. 1 Main Steam Line Area (Room 601)
Heater Bay (Room 430) Near Room 427 Page 5
License No. NPF-3 January 10, 1979 6.
BATTERY R00ri AIARMS Install loss of air flow indication with annunciation and alarm in the control room for the following rooms:
Battery Room B (Room 428A)
Battery Room A (Room 428B)
+
Page 6
License No. NPF-3 January 10, 1979 7.
FIRE RATED DOORS Install 3 hour3.472222e-5 days <br />8.333333e-4 hours <br />4.960317e-6 weeks <br />1.1415e-6 months <br /> fire rated door assemblies in the following openings:
Tube pull openings in the north wall of Component Cooling Water Heat Exchanger and Pump Room (Room 328).
Door opening southwest corner of ECCS Pump Room (Room 115).
HVAC openings exceeding 48" x 48" in the 3 hour3.472222e-5 days <br />8.333333e-4 hours <br />4.960317e-6 weeks <br />1.1415e-6 months <br /> fire barrier separating the turbine area from the Non-Radwaste Supply Air and Exhaust Equipment Room (Room 516).
Replace the following door assemblies with UL listed fire rated door assemblies rated for 1\\ hours:
Door 502 in the Control Room Complex.
Door 508 in the Control Room Complex.
Page 7
License No. NPF-3 January 10, 1979 8.
FIRE RATED DAMPERS Install UL listed 3 hour3.472222e-5 days <br />8.333333e-4 hours <br />4.960317e-6 weeks <br />1.1415e-6 months <br /> fire rated door type damper in the following floor slab duct penetrations:
18" x 6" supply and 18" x 6" return duct from Electrical Penetration Room 402 to radwaste fuel handling area air supply equipment area 50 at the 623' elevation floor slab.
18" x 12" supply grill at the 623' elevation floor slab, descending from room 501 down into the No. 2 Electrical Pene-tration Room (Room 427) on Elevation 603'-0".
Page 8
License No. NPF-3 January 10, 1979 9.
STRUCTURAL S.iEEL AND CABLE TRAY FIRE PROTECTION Apply spray-on type fire proofing to the following structural steel:
Supports for the four horizontal cable trays penetrating the 3 hour3.472222e-5 days <br />8.333333e-4 hours <br />4.960317e-6 weeks <br />1.1415e-6 months <br /> fire barrier at column line Q-F on elevation 602'-0".
Supporting structural steel in the mechanical and electrical penetration rooms.
Portions of the structural supporting steel in the turbine building as determined by the turbine building thermal expansion analysis.
Page 9
License No. NPF-3 January 10, 1979 10.
FIRE DETECTION Install Additional Area Type Fire Detection in the following Rooms:
ECCS Pump Room (Room 105)
ECCS Pump Room (Room 115)
Decay Heat Coolers Room (Room 113)
Passage (Room 110)
Clean Waste Receiver Tank Room (Room 124)
Annulus space, in the areas of Electrical Cable Penetrations Incore Instrumentation Trench Area (Room 220)
Letdown Cooler Area (Room 215)
Flooding Tank Area (Room 214)
Hatch Area (Room 317)
Passage (Room 410)
No. 1 Mechanical Penetration Room (Room 208)
No. 2 Mechanical Penetration Room (Room 236)
No. 3 Mechanical Penetration Room (Room 303)
No. 4 Mechanical Penetration Room (Room 314)
No. 1 Electrical Penetration Room (Room 402)
No. 2 Electrical Penetration Room (Room 427)
Auxiliary Feedwater Pump Room (Room 237)
Boric Acid Addition Tank Room (Room 240)
Waste Gas Compressor Room (Room 244)
Waste Gas Compressor Room (Room 243)
Demineralizer Filter Room (Room 230)
Valve Room (Room 242)
Filter Room (Room 231)
Valve Room (Room 232)
Demineralizer Room (Room 233)
Boric Acid Evaporator Room (Room 234)
Boric Acid Evaporator Room (Room 235)
Passage (Room 227)
Passage (Room 241)
Makeup Pump (Room 225)
Valve Room (Room 212)
Valve Room (Room 211)
Charge Room (Room 321)
Passage (Room 322)
High Voltage Switchgear Room (Room 325)
Component Cooling Water Heat Exchanger & Pump Room (Room 328)
Passage and Hatch Area (Rooms 310 & 313)
Spent Fuel Pool Pump Room (Room 312)
Fuel Handling Area (Room 300)
Corridor (Room 304)
Passage (Room 400)
Corridor (Room 404)
Battery Room B (Room 428A)
Low Voltage Switchgear Room (F-Bus) (Room 428)
Page 10
License No. NPF-3 January 10, 1979 Low Voltage Switchgear Room (E-Bus) (Room 429)
Battery Room A (Room 429B)
Corridor (Room 411)
Access Control Area Purge Exhaust Equipment Room (Room 515)
Radwaste Exhaust Equipment & Main Station Exhaust Fan Room (Room 501)
Air Supply Equipment, Radwaste Fuel Handling Areas (Room 500)
Control Room Toilet (Room 513)
Shift Supervisors Officer (Room 512)
Control Room Toilet (Room 506)
Instrument Calibration Room & Storage (Room 503)
A/C Equipment Room (Room 603)
Install Fire Detection in the Auxiliary Shutdown Panel (C-3630).
Relocate one >f the fire detectors in the High Voltage Switchgear Room 323 to obtain maximum coverage of the room.
Install in-tray, linear type, thermal sensing fire detectors inside all cable trays inside the Cable Spreading Room (Room 422A).
Modify the fire alarm system to include rezoning, adding detectors, alarming each zone in the control room, adding line supervision to the output circuitry of the fire detection and fire protection panels, adding line supervision to the flow and pressure switches associated with the fire protection system, and incorporating the fire alarm system into the data processing and management section of the plant security.
Page 11
License 1o. NPF-3 January 10, 1979 11.
COMMUNICATION Make portable radio communication equipment available to the fire brigade for emergency fire fighting operations in the following rooms or operations:
ECCS Pump Room (Room 105)
ECCS Pump Room (Room 115)
No. 1 Mechanical Penetration Room (Room 208)
No. 3 Mechanical Penetration Room (Room 203)
No. 4 Mechanical Penetration Rocm (Room 314)
No. 2 Electrical Penetration Room (Room 427)
No. 1 Electrical Penetration Room (Room 402)
No. 1 Main Steam Line Area (Room 601)
No. 2 Main Steam Line Area (Room 602)
Purge Inlet Equipment Room (Room 600)
Auxiliary Feed Pump Unit Room (Room 237)
Auxiliary Feed Pump Unit Room (Room 238)
Passage (Room 227)
Boric Acid Evaporator Room (Room 234)
Passage (Room 241)
Pump Room (Room 225)
Corridor (Room 209)
Diesel GE:erator Room (Room 319)
Maintenance Room (Poom 320)
Passage (Room 322)
High Voltage Switchgear Room (Room 323)
Auxiliary Shutdown Panel and Transfer Switch Room (Room 324)
High Voltage Switchgear Room (Room 325)
Component Cooling Water Heat Exchanger & Pump Room (Room 328)
Passage & Hatch Area (Rooms 310 & 313)
Fuel Handling Area (Room 300)
Corridor (Room 304)
Corridor (Room 404)
Low Voltage Switchgear Room (Room 429)
Corridor (Room 411)
Non-Radwaste Supply Air & Exhaust Equipment Room (Room 516)
Radwaste Exhaust Equipment & Main Station Exhaust Fan Room (Room 501)
Radwaste Fuel Handling Areas Air Supply Equipment Area (Room 500)
Page 12
License No. NPF-3 January 10, 1979 12.
EMERGENCY LIGHTING Install 8-hour emergency battery pack lights in the following rocms:
ECCS Pump Room (Room 105)
ECCS Pump Room (Room 115)
Decay Heat Cooler Room (Room 113)
Passage (Room 110)
Pipe Tunnel (Room 101)
No. 1 Mechanical Penetration Room (Room 208)
No. 2 Mechanical Penetration Room (Room 236)
No. 3 Mechanical Penetration Room (Room 303)
No. 4 Mechanical Penetration Room (Room 314)'
No. 2 Electrical Penetration Room (Room 427)
No. 1 Electrical Penetration Room (Room 402)
No. 1 Main Steam Line Area (Room 601)
No. 2 Main Steam Line Area (Room 602)
Purge Inlet Equipment Room (Room 600)
Auxiliary Feed Pump Unit Room (Room 237)
Auxiliary Feed Pump Unit Room (Room 238)
Boric Acid Addition Tank Room (Room 240)
Passage (Room 227)
Boric Acid Evaporator Room (Room 234)
Boric Acid Evaporator Room (Room 235)
Passage (Room 241)
Waste Gas Compressor Room (Room 244)
Waste Gas Compressor Room (Room 243)
Demineralizer Filter Room (Room 230)
Valve Room (Room 242)
Demineralizer Room (Room 223)
Pump Room (Room 225)
Corridor (Room 209)
Monitor Tank Transfer Pump Room (Room 203)
Filter Room (Room 204)
Clean Liquid Waste Monitor Tank Room (Room 201)
Clean Liquid Waste Monitor Tank Room (Room 202)
Valve Room (Room 212)
Valve Room (Room 211)
Maintenance Room (Room 320)
Passage (Room 322)
Component Cooling Water Heat Exchangers & Pump Room (Room 328)
Passage and Hatch Area (Rooms 310 & 313)
Spent Fuel Pool Pump Room (Room 312)
Fuel Handling Exhaust Unit Room (Room 401)
Fuel Handling Area (Room 300)
Corridor (Room 304)
Corridor (Room 404)
Storage (Room 405)
Hot Instrument Shop (Room 406)
Page 13
License No. NPF-3 January 10, 1.979 Battery Room B (Room 428A)
Low Voltage Switchgear Room (Room 428)
Low Voltage Switchgear Room (Room 429)
Battery Room A (Room 429B)
No. 1 Electrical Isolation Room (Room 428A)
No. 2 Electrical Isolation doom (Room 429A)
Corridor (Room 411)
Purge Exhaust Equipment Room (Room 515)
Radwaste Exhaust Equipment & Main Station Exhaust Fan Room (Room 501)
Air Supply Equipment, Radwaste Fuel Handling Areas (Room 500)
Lube Oil Storage Tank Room (Room 249)
Turbine Lube Oil Tank Room (Room 432)
Pa e 14
License No. NPF-3 January 10, 1979 13.
CONDUIT PROTECTION Install required Kaowool around conduits in the following rooms to protect equipment required for cold shutdown:
Passage 227 (a hour fire rated barrier will be provided around the entire length of the conduits associated with auxiliary feedwater train No. 1.)
Fassage 209 (a hour fire rated barrier will be provided around the entire length of the conduits associated with the BWST level instrumentation, makeup pump No. 2, and Channel 2 BWST outlet valve.)
Passage and Hatch Area 310 and 313 (a \\ hour fire rated barrier will be provided around the entire length of the conduits associated with bot.h trains of CCW valves, the CCW crossover header and CCW return header from containment.)
Service Water Pump Room (a hour fire rated barrier will be provided around the conduits associated with power and control for the service water pumps and power and control for the service water valves on the return line to the forevay and the cooling tower makeup.)
Valve Room - Intake Structure - ( hour fire rated barrier will be provided around the conduits associated with power and control for the service water valves located in the service water discharge header.)
Component Cooling Water Pump and Heat Exchanger Room (a hour fire rated barrier will be provided arpund the conduits asso-ciated with control for the component cooling water pumps and power and control for the CCW crossover valves.)
Page 15
License No. NPF-3 January 10, 1979 14.
MISCELLANEOUS The hydrogen line routed through the component cooling water heat exchanger and pump room will be relocated to an area not containing safety related equipment.
Page 16