ML20107E449
| ML20107E449 | |
| Person / Time | |
|---|---|
| Site: | Peach Bottom  |
| Issue date: | 02/21/1985 |
| From: | PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC |
| To: | |
| Shared Package | |
| ML20107E426 | List: |
| References | |
| NUDOCS 8502250571 | |
| Download: ML20107E449 (9) | |
Text
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PBAPS LIMITING CONDITIONS FOR OPERATION SURVEILLANCE REQUIREMENTS 1
j 3.14.C Fire Detection 4.14.C Fire Detection 1.
The fire detection instru-1.a.
The smoke detectors listed mentation for each plant listed in Table 3.14.C.1 shall be l
in Table 3.14.C.1 shall be functionally tested semi-i operable when the equipment annually in accordance with in that area is required the manufacturer's to. be operable.
instructions.
1 2.
If the. number of operable b.
The heat detectors listed fire detection instruments in Table 3.14.C.1 shall be is less than the minimum fdnctionally tested semi-instrument operability re-annually with a heat source.
quirement of Table 3.14.C.1:
a.
establish a fire watch c.
The NFPA Code 72D Class A patrol to inspect each supervised circuits between accessible area at the local panel and control intervals of at least:
room of each of the above required fire detection 1)
Once per shift for instruments shall be demon-areas with less than strated OPERABLE at least the minimum number of once per 6 months.
operable instruments required by Table d.
Thermal heat detection 3.14.C.1 but with at cable shall be tested least one instrument for alarm. functions operable.
(continuity and trouble alarms) at least once 2)
Once every hour for per six-months.
Loop areas without an resistance shall be operable instrument.
measured, recorded, and compared to~that previously recorded.
b.
restore accessible system 2.
The testing interval for components to an operable smoke and heat detectors status within 14 days, which are inaccessible due submit.a Special Report to high radiation or to the Commission within inerting may.be extended 31 days outlining the until such time as cause of the malfunction the detectors-become and the plans for accessible for a minimum restoring the instru--
of 36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br />.
Such det-ments to an operable tectors shall be functionally-
- ctatus. Reactor startup tested at a maximum and/or continued reactor
Interval of once.per-operation is permissible.
refueling cycle.
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,CIMITING CONDITIONS FOR-OPERATION SURVEILLANCE REQUIREMENTS j_
3.14.D Fire Barriers 4.14.D Fire Barriers l
1.
Fire barriers (including
- 1. Fire barriers required walls, floor, ceilings, electrical to meet the provisions cable enclosures, cable, piping of 3.14.D.1 (fire doors and. ventilation duct penetration excluded - see speci-seals, fire doors, and fire fication 4.14.D.2) shall dampers) which protect be verified operable safety related systems following maintenance required to ensure safe or modifications, and by per-shutdown capability in the forming the following visual event of a fire, shall be inspection at least once functional.
per 18 months:*
a.
The exposed surface of each fire barrier wall, floor, ceiling, and elec-trical cable enclosure.
Exposed surfaces are 2.
If the requirements of those surfaces that can 3.14.D.1'cannot be met, be viewed by the inspector within one hour establish a fr om the floor.
continuous fire watch on at least one side of the b.
Approximately 10 percent of
-affected fire barrier, or the fire dampers such that verify the operability of each damper is inspected fire: detectors on at least once per 15 years, one side of'the inoperable fire barrier and establish c.
Approximately 10 percent of an hourly fire watch patrol.
the fire barrier penetration Reactor startup and continued seals (including electrical' reactor operation is cable, piping, ventilation permissible.
duct penetration seals, and excluding-internal conduit-seals) such that each pene-tration seal-will be ' inspected !
at least once'per 15 years.-
(The pentration seals in the~
fire barriers which.are in-spected during-each surveill- '
ance shall depict a repre--
sentative sample of.the different= types of. seals.)
' Difficult-to-view fire-barrier: (unexposed) walls, ceilings, and electrical cable: enclosures that.are.
rendered accessible' by:the-penetration seal inspection program shall also' be =
inspected during each 10 percent inspection.
- Fire barrier inspections requiring access to radiation areas may be deferred until
'the'next refueling outage or.
shutdown initally. expected to be of at least L30-day; duration.
240j (1)
l'BAPS
' LIMITING CONDITIONS FOR OPERATION SURVEILLANCE REQUIREMENTS 4.14.D Fire Barriers (Cont'd) i 1.
(Continued)
If any penetration seal or fire damper selected for inspec-tion is found by surveillance requiremen*.s 4.14.D.l(b) and (c) in a c'ndition which may compromise the operability of the penetration seal or fire damper, the cause shall be evaluated.
If the cause is a failure to adhere to penetration seal or fire damper procedures, or an identified phenomenon (e.g., physical interference),
the cause shall be corrected and potentially affected seals-inspected.
Otherwise, a visual inspection of an addi-tional 10 percent, selection based on the nature of the degradation, shall be made.
This inspection process shall continue until a 10 percent sample with no degradation-is found.
- 2. Fire doors required to meet the provisions of 3.14.D.1 shall be verified operable by inspecting-the closing mechanism and latches at least once per 6 months *,-
and by verifying:
a.
The operability of the fire door supervision system for.
each electrically supervised fire door by performing a functional test at least once per quarter.
b.
That each locked-closed fire door is in the closed position at least once'per week.
c.
That each unlocked fire door without electrical supervision is in the closed position at least once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.
- Fire door inspections requiring access to radiation areas may be deferred until the next.
refueling outage or shutdown
-initially expected to be of at-240j (2) least a 7-day duration.
TABLE 3.14.C.1 FIRE DETECTORS Detector Type /
Minimum Detectors Location Designa tion (l)
Operable HPSW Pump Room S391 1
Condensate Demin. Piping SillA,Sil2A,Sil3A,Sil4A 11 Tunnel (91'6") Rms. 17, 50, Sil5A,S116A,Sll7A,Sil8A 53 S119A,S120A,S121A,S122A, Turbine Bldg.-General Area S123A,S124A,S125A,S126A 11 Corridor (116') Room 170 S127A,S128A,S129A,S130A S131A,S132A,S133A,S134A Turbine Bldg.-General Area S135A,S136A,S137A,S138A 7
Corridor (135') Room 264 S139A,S140A,S141A,S145A
' COMMON Control Room S21, S22, S23, S24 4
Control Room Offices S137, S138, S139 6
S140, S141, S142 Cable Spreading Room S4, S7, S9, S10 23 S47 through S67 (total: 25)
' Computer Room
. S5, S6 2
~ Diesel-Generat'or Room H550A,B thru H557A,B See (3.14.B.3.c)
(4 in each room)
D-G Bldg.-Cardox' Room 8540, S541, S542 3
i
. IU? Utility Room (116')
S90A 1-Room 129 Radwaste Bldg. -(91' 6")
S73A, S74A, S75A 4
Room 33 S76A lRadwaste Bldg. (116')
l Room-144, 146 S91A, S92A, S93A 3
L' Room 141' 594A, S95A, S96A 3
l l
~ Standby Gas Treatment System 6 per filter train 5
L L
R;dwaste Bldgs.
Rooms 24,131 (91'-6")
S8B, S80,_S81, S82 4
Rooms 142, 143, 145 S99, SlA, S2A-7 147, 154 (116')
S3A, S4A, SSA 56A
-240p (l) -
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4 TABLE 3.14.C.1 FIRE DETECTORS Detector Type /
Minimum Detectors Location Designation (l)
Operable Rooms 236, 237, 238 S23A,S24A,S25A 8
239, 242 (135')
S26A,S27A,S28A S29A,S30A Fan Room (Rm 381)
S3, S44A 4
S105, S195
-Emergency Cooling Tower H562, H563, H564 4
Switchgear Rooms H565 Laboratory Area H1, H2, H3, H4 4
Rncombiner Building H566, H567, H568 3
i Startup Stitchgear H558, H559 2
Building H560, H561 (1)
S = Smoke Detector H = Heat Detector (2)
Detector (s) inaccessible during normal operation due to inerting.
3, (3)
May be disabled during ILRT.
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-24 0p (2)-
TABLE 3.14.C.1 FIRE DETECTORS Detector Type /
Minimum Detectors Location Designationjl)
Operable _____
ggIT 2 Primary Containment (2) (3)
S1, S 2, S8 3
CRD Area (135') Rms. 207, 208, S7A,S7B,S8A,S9A,S10A 14 209, 212 G11A,S12A,S543,S13A,S14A SlSA,S16A,S17A,S18A S19A,S20A Isol. Valve Compt.(135')Rm.204 S21A 1
Oparating Area (165')Rm.402,403 S31A,S32A,S33A,S34A 12 S35A,S36A,S37A,S38A S39A,S40A,S41A,S42A S43A Lcydown Area (195')Rm.501,502 S45A,S46A,S47A,S48A 7
508 S49A,S50A,S51A,S52A Vent. Equip. Area (19 5 ' ) Rm. 506 S53A, S54A 2
Vent Stack Rad. Mon.-Refuel S58A, S59A 2
i floor (234')'
HPCI Room S78 1
H5, H6, H7 (See 3.14.B.1.c)-
RCIC Room S45, S46
-2' Racctor Bldg; Sump Area
-S79 1
, Core Spray Pump Rooms S41, S42, S43, S44 4
p
.Vac. Breaker Area-Rm.- 107,108 S91, S92, S93 3
-RHR Rooms I+ :
Room 101l S30, S31, S32 3
JP.com 102 S33, S34, S35 3
' Room 103 S36, S37,.S38 3
Room 104
~
S39, S40 2
l Torus' Area S83,S84,S85,S86 7
S87,S88,S89,S90 5
I A-
TABLE 3.14.C.1 FIRE DETECTORS Detector Type /
Minimum Detectors
, Location Designa tion (l)
Operable Turbine Building-General Area S77A,S78A,S79A,S80A 12 Corridor (116') Room 124 S81A,S82A,S83A,S84A S85A,S86A,S87A,S88A,S89A Turbine Building-General Area S97A,S98A,S99A 7
Corridor (135') Room 219 SlB,S28,S3B,S4B,S9B Condensate Demin Piping S60A,S61A,S62A,S63A 11 Tunnel (91'6") Rms., 15, 16, 17 S64A,SG5A,S66A,S67A S68A,S69A,S70A,S71A s
M-G Set Lube Oil Rm (Rm 105)
S94,S95,S96,S97,S98 4
R2 circ. Pump MG Set. Room S15, S16, S17 5
S18, S19, S20 M-G Set Ventilation Room S5B, SGB 2
(165) Room 375 Emerg. Switchgear Rooms
,Sll, S12, S13, S14 4
Battery rooms Room 218 S70, S71 2
' Room 225 S68, S69 2
13KV Switchgear Area (116')
S72, S73, S74 3
HPSW Pump Room S390 1
UNIT 3 Primary Conta'inment (2) (3)
S103, S104, S106 3
CRD Area (135') Rms. 250 S144A,S166,S167,S168,S169 14 252, 253, 257 S170,S171,S544,S172,S173 S174,S175,S176,S177 i
S178,S179 Icol. Valve Compt.
S181 1
(135') Rm 249 Operating Area (165')
S182,S183,S184,S185
'12 Rm. 443, 444 S186,S187,S188,S189 S190,S191,S192,S193 S194
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TABLE 3.14.C.1 i
FIRE DETECTORS j
Detector Typc/
Minimum Detectors Location Designation (l)
Operable Laydown Area (195')
S196,S197,S198,S199 7
Rm. 517, 518, 523 S103A,S104A,S105A,S106A Vent. Equip Area (195')
S107A, S108A 2
Rm. 520 Vant Stack Rad. Mon.-Refuel S109A, S110A 2
floor (234')
.I HPCI Room S148 1
Hil5, Hll6, Hil7 (See 3.14.B. l.c)
RCIC Room S131, S132 2
Rnactor Bldg. Sump Area S149 1
Core-Spray Pump Rooms S133,S134,S135,S136 4
Vcc. Breaker Area-S158, S159, S160 3
Rm. 160, 161 RHR Rooms Room 156 S120, S121 2
Room 157 S122, S123, S124 3
Room 158
~ S125, S126, S127 3
Room 159 S128, S129, S130 3
Torus Area S150,S151,S152,S153 7
S154,S155,S156,S157 M-G Set Lube Oil Room S161, S162, S163 4
(Room 162)
S164,S165 R: circ. Pump MG Set Room Sill, S112, Sil3 5
Sil4, Sll6, S117 M-G Set Ventilation Room S142A, S143A 2
(165') Room 382 E23rg. Switchgear Rooms S107, S108, S109 4
S110 Bnttery Rooms R0om 266 S147, S148 2
Room 268 S145, S146 2
13KV Switchgear Area (116')
S75, S76, S77 3'
-2400
PBAPS In the event that a portion of the fire detection instrumentation is inoperable, the establishment of fire patrols in the accessible affected areas is required to provide detection capability until the inoperable instrumentation is returned to service.
i D.
Fire Barriers The functional integrity of the fire barriers ensures that fires will be confined or adequately retarded from spreading to adjacent portions of the facility.
This design feature minimizes the possibility of a single. fire rapidly involving several areas of the facility prior to detection and extinguishment.
The fire
. barriers are a passive element in the facility fire protection program and are subject to periodic inspections.
During periods of time when the barrie'rs are not functional, a continuous fire watch, or an hourly fire watch patrol in areas protected by fire detectors, is required to be maintained in the vicinity of the affected seal until the seal is restored to functional status.
The_ fire barriers subject to these specifications are those barriers separating portions of safety-related systems required to meet the safe shutdown criteria of 10 CFR 50, Appendix R, Section III.G.
This section of the Commission's regulations j
require a. fire. barrier between the redundant methods selected by the Safe Shutdown Analysis (Appendix R,Section II.B) as
. essential to achieving and maintaining shutdown conditions.
The l
barriers will ensure that redundant methods are not jeopardized by a single fire.
The cable tray and conduit encapsulation provides a 3-hour fire barrier between equipment associated with redundant safe shutdown methods located in the same fire area ~.
4 E.
Water Suppression System Water suppression systems for the oil systems located within the l
M-G set room-and M-G set lube oil room are provided to contain a
.possible oil fire to the respective fire area.. The suppression i
system is a pre-action type using smoke detectors to charge the sprinkler headers with fire water and spray nozzle actuation on high temperature.
Both fire water flow (low pipe pressure switch)'and. smoke detector actuation annunciates in the control room.
The sprinkler header is normally pressurized with air, l
with a-.. low pressure annunciator to monitor header and nozzle integrity.
F.-. Battery Room Ventilation Flow Detector Loss of the battery room exhaust ventilation flow will result in a buildup of combustible gases and a potential fire hazard to safety-related cables.
.A flow-detector will annunciate an alarm
'in the control room upon poor ventilation conditions.
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