ML20151K491
Text
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. # o nseg% UNITED STATES T ! h NUCLEAR REGULATORY COMMISSION f i aj wAssiNoTow, o, c. nous b l i
\*****/ , NOV 6 1984 1
l . PRINCIPAL STAFF S
MEMORANDUM FOR: C. J. Anderson, RI RA D/RA CRP
?RS_ t /
4r-8,4ittle, RIII Elc 01 .
l V. A. Moore, NRR DRMA FILE AuW S. D. Richardson, IE J Ng W. M. Shields. ELD /4T %4
- FROM: F. Rosa, Chairman Fire Protection Policy Working Group
SUBJECT:
FIRE PROTECTION TECH SPECS
Reference:
Memorandum from the Fire Protection Policy Steering l l Comittee to W. J. Dircks dated October 26, 1984. I
! The Steering Comitt per the reference memorandum has assigned to the Working Group the task of de loping standard fire protection Tech Specs that: ".. are soundly based to assure functioning of fire protection features but which -
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require only those activities which are comensurate with other Tech Spec (
items in terms of importance to safety." I believe we can complete this task (
by November 30, 1984 and propose to proceed as follows to accomplish this: '
l The W.G., individually, should review the existing Stand'rd Tech Specs on fire protection. (A copy of the W STS on fire protection is attached - the STS for other NSSS suppliers are essentially identical.) Using this as a reference point, determine what (if any) changes should be made in order to meet the objectives defined by the Steering Comittee as cited above. Be specific.
Provide basis for proposed changes. Some thought should be given to quantifying the relative importance to safety of the fire protection systems and program.
A W.G. meeting is tentatively scheduled for 10:00 A.M. on November 16, 1984 at f?. y p
[ 6ethesda (meeting room later). Please advise ASAP if this is not convenient so that other suitable arrangements can be made. The agenda for this meeting
!- is:
- 1) Presentation by Ed Butcher, Group Leader, Tech Spec Review Group.
Ed will provide an overview of NRC Tech Spec Policy and ongoing i related activities. !
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- 2) Discussion of proposed Tech Spec changes and their basis.
l Provide handnuts, as appropriate, to support proposed changes.
s Markups are acceptable, s
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NOV 7y 1 l / BOW y k N-i
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Various Addressees .
- 3) Development of a W.G. concensus on proposed changes.
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- 4) W.G. assignments for completion of task.
l Please advise me if there are any questions or suggestions regarding this task.
The attached copy of a memorandum from W. J. Dircks to "Those on Attached List" (1 assume these were the Office Directors and Regional Administrators.).
Recomended Fire Protection Policy and Program Actions, dated November 2,1984 ,
l provides status information on the fire protection policy review. '
i I
Faust Rosa, Chainnan
, Fire Protection Policy Working Group
'cc w/o enclosures:
R. Bernero i'
R. W. Houston R. Vollmer i
[ E. Butcher l i
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5
. P INSTRUMENTATION FIRE DETECTION INSTRUMENTATION y LIMITING CONDITION FOR OPERATION L
3.3.3.8 l As a minimum, the fire detection instrumentation for each fire detection zone shown in Table 3.3-11 shall be OPERABLE.
APPLICABILITY:
Whenever equipment protected by the fire detection instrument is required to be OPERABLE.
t ACTION:
With numberthe number OPERABLE of OPERABLE requirement fire detection instrument (s) less than thel of Table 3.3-11: '
a.
Within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> establish a fire watch patrol to inspect the zone (s) with the inoperable instrument (s) at least once per hour, unless the instrument (s) is located inside the containment, then inspect the containment at least once per 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> or (monitor the containment air temperature at least once per hour at the locations listed in i
/ <
Specification 4.6.1.6). {
s , b.
Restore the inoperable instrument (s) to OPERABLE status within 14 days, or in lieu of any other report required by Specification l 6.9.1, prepam and submit a Special Report to the Commission pursuant to Specification 6.9.2 within the next 30 days outlining the action l j
taken, the cause of the inoperability and the plans and schedule for restoring the instrument (s) to OPERABLE status. i c.
The provisions of Specifications 3.0.3 and 3.0.4 are not applicable. l.
SURVEILLANCE REQUIREMENTS 4.3.3.8.1 Each of the above required fire detection instruments which are accessible during plant operation shall be demonstrated OPERABLE at least once per 6 months by performance of a TRIP ACTUATING DEVICE OPERATIONAL TEST. Fire detectors which are not accessible during plant operation shall be demonstrated OPERABLE by the performance of a TRIP ACTUATING DEVICE OPERATIONAL TE each COLD SHUTDOWN exceeding 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> unless performed in the previous 6 months.
4.3.3.8.2 The NFPA Standard 72D supervised circuits supervision associated with the detector alarms of each of the above required fire detection instruments shall be demonstrated OPERABLE at least once per 6 months.
4.3.3.8.3 The nonsupervised circuits, associated with detector alarus, between '
the instrument once per 31 days. and the control room shall be demonstrated OPERABLE at leas '
M-STS 3/4 3-68 m5%
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I s-( TABLE 3.3-11 l FIRE DETECTION INSTRUMENTS INSTRUMENT LOCATION (Illustrative **) MINIMUM INSTRUMENTS OPERABLE
- HEAT FLAME SMOKE
- 1. Containment Zone 1 Elevation Zone 2 Elevation
- 2. Control Room i
- 3. Cable Spreading Zone 1 Elevation Zone 2 Elevation i
. 4. Computer Room
- 5. Switchgear Room
- 6. Remote Shutdown Panels
, .g 7. Station Battery Rooms
( Zone 1 Elevation -
b
, Zone 2 Elevation
- 8. Turbine Zone 1 Elevation Zone 2 Elevation
- 9. Diesel Generator Zone 1 Elevation Zone 2 Elevation
- 10. Diesel Fuel Storage
- 11. Safety Related Pumps Zone 1 Elevation Zone 2 Elevation
- 12. Fuel Storage
. Zone 1 Elevation Zone 2 Elevation "The fire detection instruments located within the Containment are not required r to be OPERABLE during the performance of Type A Containment Leakage Rate Tests, w-
- List all detectors in areas required to insure the OPERABILITY of Safety related equipment and indicate instruments Aich automatically actuate fire suppression systems.
M-STS 3/4 3-69 SEP i 51981
,e PLANT '.YSTEMS 3/4.7.11 FIRE SUPPRESSION SYSTEMS FIRE SUPPRESSION WATER SYSTEM LIMITING CONDITION FOR OPERATION 3.7.11.1 The fire suppression water system shall be OPERABLE with:
a.
(Two) fire suppression pumps, each with a capacity of (2500) gpm, with their discharge aligned to the fire suppression header,
- b. Separate water supplies, each with a minimum contained volume of gallons, and
- c. An OPERABLE flow path capable of taking suction from the and the tank tank and transferring the water through distribution piping with OPERABLE sectionalizing control or isolation valves to the yard hydrant curb valves, the last valve ahead of the water flow alarm device on each sprinkler or hose standpipe, and the last valve j-ahead of the deluge valve on each deluge or spray system required to be OPERABLE per Specifications 3.7.11.2, 3.7.11.5 and 3.7.11.6.
(., '
APPLICABILITY: At all times.
ACTION:
a.
With one pump and/or one water supply inoperable, restore the inoper-able equipment to OPERABLE status within 7 days or, in lieu of any other report required by Specification 6.9.1, prepare and submit a l Special Report to the Commission pursuant to Specification 6.9.2 within the next 30 days outlining the plans and procedures to be used to restore the inoperable equipment to OPERABLE status or to provide an alternate backup pump or supply. The provisiens of Specifications 3.0.3 and 3.0.4 are not applicable.
- b. With the fire suppression water system otherwise inoperat:le:
- 1. Establish a backup fire suppr9s>ha water system within 24 :
hours, and I 1
2.
In lieu of any other report required by Specification 6.9.1, submit a Special Report in accordance with Specification 6.9.2:
a) By telephone within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />, b) Confirmed by telegraph, meilgram or facsimile transmission no later than the first working day following the event, and W-STS 3/4 7-29 MAY I 51980
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PLANT SYSTEMS i ACTION: (Continued) c) In writing within 14 days following the event, outlining the action taken, the cause of the inoperability and the plans and schedule for restoring the system to OPERA 8LE status.
SURVEILLANCE REQUIREMENTS 4.7.11.1.1 The fire suppression water system shall be demonstrated OPERABLE:
a.
At least once per 7 days by verifying the contained water supply volume.
b.
At least once per 31 days on a STAGGERED TEST BASIS by starting each electric motor driven pump and operating it for at least 15 minutes on recirculation flow, c.
At least once per 31 days by verifying that each valve (manuel, power operated or automatic) in the flow path is in its correct position.
d.
(At least once per 6 months by perfurnance of a system flush.)
, , e.
At least once per 12 months by cycling each testable valve in the
(
-u flow path through at least one complete cycle of full travel.
f.
At least once per 18 months by performing a system functionel test which its operatingincludes simulated sequence, automatic actuation of the system throughout and:
- 1. Verifying that each automatic valve in the flow path actuates to its correct position, 2.
Verifying that each pump develops at least (2500) gpa at a system head of (250) feet, l j
- 3. I Cycling each valve in the flow path that is not testable during l plant operation through at least one complete cycle of full travel, and 4.
Verifying that each fitt suppression pump starts (sequentially) to maintain tl.e fire suppression water system pressure greater than or equal to ___ psig.
g.
At least once per 3 years by performing a flow test of the system in accordance with Chapter 5, Section 11 of the Fire Protection Handbook, !
14th Edition, published by the National Fire Protection Association, i
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I W-STS 3/4 7-30 NAY l 51980 l
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[ PLANT SYSTEMS SURVEILLANCE REQUIREMENTS (Continued) f A
, 4.7.11.1.2 The fire pump diesel engine shall be demonstrated OPERABLE:
- a. At least once per 31 days by verifying:
- 1. The fuel storage tank contains at least gallon of fuel, and I
j 2. The diesel starts from ambient conditions and operates for at I ;
least 30 minutes on recirculation flow.
l l b. ..t l
once per 92 days ay verifying that a sample of diesel fuel I
, , the fuel storage tani, obtained in accordance with ASTM-D270-65, is within the acceptab b limits specified in Table 1 of ASTM 0975-74 w),er checked for viscosity, water and sediment.
l c.
i At least once per 18 months, during shutdown, by subjecting the diesel to an inspection in accordance with procedures prepared in conjunction with its manufccturer's recommendations for the class of servic.e.
! 4.7.11.1.3 The fire pump diesel starting 24-volt battery bank and charger -
l [ shall be denonstrated OPERABLE:
- a. At least once per 7 days by verifying that:
,. 1.
The electrolyte level of each battery is above the plates, and 2.
The overall battery voltage is greater than or equal to 24 volts.
b.
At least or.ce per 92 days by verifying that the specific gravity is appropriate for continued service of the battery,
- c. At least once per 18 months by verifyfrig that:
i 1.
The batteries, cell plates and hattery racks show no visual indication of physical Jamage or abnormal deterioration, and 2.
The battery-to-battery and teminal connections are clean, tignt, free of corrosion and coated with anti-corrosion caterial.
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M-STS 3/4 7-31 NAY 15 7980
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g PLANT SYSTEMS SPRAY AN0/OR SPF.INKLER SYSTEMS f LIMITING CONDITION FOP OPERATION 3.7.11.2 The following spray and/or sprinkler systems shall be OPERABLE:
- a. (Plant dependent - to be listed by name and location )
b.
c.
f APPLICABILITY:
Wrienever equipment protected by the spray / sprinkler system is required to be OPERABLE.
t ACTION:
a.
yk inoperable, within one hour establish a continuous fire watch w backup fire suppression equipment for those arear in which redundant systerrs or components could be damaged; for other arcas, establish a i -
hourly fire watch patrol. Restore the system to OPERABLE statt,s'
[n ' ,y) within la days or, in lieu of any other report required by Specifica-m- lg ['
4j-Q tion 6.9.1, prepare and submit a Special Report to the Commission
-r ;,ursuant to Specification 6.9.2 within the next 30 days outlining the action taken, the cause of the inoperability and the plans and h schedule for restoring the system to CPERABLE status, y-b.
The provisions of Specifications 3.0.3 and 3.0.4 are not applicable.
SURVEILLANCE REQUIREMENTS 4./.11.2 Each of the above required spray and/or sprinkler systems shall be demonsti sted OPERABLE:
a.
At least once per 31 days by verifying that eart valve Na >11, power operuted, or automatic) in the flo.v path is in its correct psit.on.
- b. At least once per 12 months by cycling each tastable valve in the flow path *.hrough at least one complete cycle of full travel.
W-STS 3/4 7-32 ,
NOV 2 01380
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/ PLANT SYSTEMS 1
SURVEILLANCE REQUIREMENTS (Continued) l l
1
- c. At least once per 18 months-
- 1. By performing a system functional test which includes simulated l
} automatic actuation of the system, and:
1 I
l a) Verifying that the automatic valves in the flow path '
actuate to their correct positions on a test l signal, and j i b) Cycling each valve in the flow path that is not testable j during plant operation through at least one complete cycle !
j of full travel.
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! 2. By a visual inspection of the dry pipe spray and sprinkler l l headers to verify their integr'ty, and j
- 3. By a visual inspection of each nozzle's spray area to verify the spray pattern is not obstructed.
- d. At least once per 3 years by performing an air flow test through j [-,
each open head spray / sprinkler header and verifying each open head
- . spray / sprinkler nozzle is unobstructed. i l
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W-STS 3/4 7-33 'NOV 2 01080 i
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l PLANT SYSTEMS C,0 SYSTEMS 2
9 LIMITING CONDITION FOR OPERATION -
3.7.11.3 The following high pressu.e and low pressure CO, systems shall be
} OPERABLE. '
i l a. (Plant dependent - to be listed by name and location.)
b.
c.
j APPLICABILITY: Whenever equipment protected by the CO systems is required to be OPERABLE. 2 i
t g ACTION:
a.
With one or more of the abo've required 007 systems inoperable, within one hour establish e continuous fire watch with backup fire suppression equipment for those areas in which redundant' systems or components could be damaged; for other areas, establish an hourly fire watch patrol. Restore the system to OPERABLE status within 14 days or, in lieu of any other repor'c required by Specification f
6.9.1, prepare and submit a Special Report to the Commission pursuant to Specification 6.9.2 within the next 30 days ou+1ining the action taken, the cause of the inoperability and the plans and schedule for restoring the system to OPERABLE status, b.
The provisior.s of Specifications 3.0.3 and 3.0.4 are not appliceble.
SURVEILLANCE REQUIREMENTS 4.7.11.3.1 Ea:h of the above required CO systems shall be demonstrated i
OPERABLE at least once per 31 days by ver,fying T that each valve (manua', pcwer
{i operated or automatic) in the flow path is in its correct position.
l 4.7.11.3.2 Each of the above required low pressure CO systems shall be j demonstrated OPERABLE: 2
- c. At least once per 7 days by verifying the CO, storage tank level to be greater than and pressure to be greater than psig, and
- b. At least once per 18 months by verifying:
- 1. The system valves and associated ventilation dampers and fire door release mechanisms actuate manually and automatically, '
upon receipt of a simulated actuation signal, and
- 2. Flow from each nozzle duri1g a "Puff Test."
W-STS 3/4 7-34 MAY I 51980
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PLANT SYSTEMS
,5URVEILLANCE' REQUIREMENTS (Continued)
' 4.7.11.3.3 Each of the above required high pressure CO systems shall be demonstrated OPERABLE: 2
,' a.
At least once per 6 months by verifying the CO2 storage tank weight to be at least 90% of full charge weight.
l b. At it .st once per 18 months by:
1.
j Verifying the system, including associated ventilation dampers and fire door release mechanisms, actuates manually and automatically, upon receipt of a simulated actuation signal, and i
, 2.
Performance of a flow test through headers and nozzles to assure no blockage.
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!t W-STS 3/4 7-35 MAY 151980 i
I 3ANTSYSTEMS HALON SYSTEMS LIMITING CONDITION FOR OPERATION
[ 3.7.11.4 The following Halon systems shall be OPERABLE.
f a. (Plant dependent - to be listed by name and location.)
b.
g C.
{ APPLICABILITY: Whenever equipment protectLd by the Halon system is required l to be OPERABLE.
I ACTION:
! a. With one or more of the-above required Halon systM s inoperable, I
within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> establish a continuous fire watch with backup fire suppression equipment for those areas in which reduidant systems or l
components could be damaged; for other areas, establish an hourly i fire watch patrol. Restore the system to OPERABLE status within i
14 days or, in lieu of any other report required by Specifica-tion 6.9.1, prepare and submit a Special Report to the C m.ission i/' pursuant to Specification 6.9.2 within the next 30 days outlining
\
the action taken, the cause of the inoperability and the plans and schedule for restoring the system to OPERABLE status,
- b. The provisions of Specifications 3.0.3 and 3.0.4 are not applicable.
SURVEILLANCE PEQUIREMENTS 4.7.11.4 Each of the above required Halon systems shall be demonstrated OPERABLE:
- a. At least once per 31 days by verifying that each valve (manual, i power operated, or automatic) in the flow path is in its correct i position.
- b. At least once per 6 months by verifying Halon storage tank weight to be at least 95% of full charge weight (or level) and pressure to be at least 90% of full charge pressure,
- c. At least once per 18 months by:
- 1. Verifying the system, including associated ventilation dampers and fire door release reechanisms, actuates n.anually and auto-matica11y, upon receipt of a simulated actuation signal, and
- 2. Performance of a flow test through headers and nozzles to assure no blockage.
W-STS 3/4 7-36 NOV 2 019E0
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f PLANT SYSTEMS FIRE HOSE STATIONS
! LIMITING CONDITION FOR OPERATION 3.7.11.5 The fire hose stations shown in Table 3.7-5 shall be OPERABLE.
l APPLICABILITY: Whenever equipment in the areas protected by the fire hose e
stations is required to be OPERABLE.
ACTION:
- a. With one or more of the fire hose stations shown in Table 3.7-5 inoperable, route an additional equivalent capacity fire hose to the ;
j unprotected area (s) from an OPERABLE hose station within I hour if t l the inoperable fire hose is the primary means of fire suppression; I
otherwise, route the additional hose within 24 hcurs. Restore the fire hose station to OPERABLE status within 14 days cr, in lieu of ,
i any other report required by Specification 6.9.1, prepare and submit !
a Special Report to tM Commission pursuant to Specification 6.9.2 l' g within the next 30 days outlining the action taken, the cause of the i
inoperability, and plans and schedule for restoring the station to i OPERABLE status. - 1
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- b. The provisions of Specifications 3.0.3 and 3.0.4 are not applicable.
3 '
SURVEILLANCE REQUIREMENTS i i
4.7.11.5 Each of the fire hose stations shown in Table 3.7-5 shall be l demonstrated OPERABLE:
- a. At least once per 31 days by a visual inspection of the fire hose stations accessible during plant operations to assure all required equipment is at the station.
- b. At least once per 18 months by:
- 1. Visual inspection of the stations not accessible during plant operations to assure all required equipment is at the station,
- 2. Removing the hose for inspection and re-racking, and
the couplings.
- c. At least once per 3 years by:
- 1. Partially opening each hose station valve to verify valve OPERABILITY and no flow blockage.
l 2. Conducting a hose hydrostatic test at a pressure of 150 psig or at least 50 psig above maximum fire main operating pressure,
, whichever is greater.
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W-STS
- 3/4 7-37 '
i NOV 2 19R1 i
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I TABLE 3.7-5 t
FIRE HOSE STATIONS P
i
! LOCATION
- ELEVATION HOSE RACK #
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l List all Fire Hose Stations required to ensure the OPERABILITY of safety-related equipment .
PSTS 3/4 7-38
-NOV 2 01530
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@ NT SYSTEMS YARD FIRE HYDRANTS AND HYDRANT HOSE HOUSES LIMITING CONDITION FOR OPERATION 3.7.11.6 The yard fire hydrants and associated hydrant hose houses shown in Table 3.7-6 shall be OPERABLE.
l f APPLICABILITY: Whenever equipment in the areas protected by the yard fire p hydrants is required to be OPERABLE.
ACTION:
5 a. With one or more of the-yard fire hydrants or associated hydrant
- hose houses shown in Table 3.7-6 inoperable, within i hour have j
sufficient additional lengths of 2 1/2 inch diameter hose located in an adjacent OPERABLE hydrant hose house to provide service to the unprotected area (s) if the inoperable fire hydrant of associated hydrant hose house is the primary means of fire suppression; otherwise, provide the additional hose within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />. Restore the hydrant or hose house to OPERABLE status within 14 days or, in lieu of any other report required by Specification 6.9.1, prepare and submit a Special Report to the Commission pursuant to Specifica-tion 6.9.2 within the next 30 days outlining the action taken, the
( cause of the inoperability, and the plans and schedule for restoring
. the hydrant or hose house to OPERABLE status.
- b. The provisions of Specifications 3.0.3 and 3.0.4 are not applicable.
SURVEILLANCE REQUIREMENTS 4.7.11.6 Each of the yard fire hydrants and associated hydrant hose houses shown in Table 3.7-6 shall be demonstrated OPERABLE: ;
- a. At least once per 31 days by visual inspection of the hydrant hose house to assure all required equipment is at the hose house.
- b. At least once per 6 months (once during March, April, or May and once during September, October, or November) by visually inspecting each yard fire hydrant and verifying that the hydrant barrel is dry and that the hydrant is not damaged.
- c. At least once per 12 months by:
- 1. Conducting a hose hydrostatic test at a pressure of 150 psig or
- at least 50 psig above maximum fire main operating pressure, i whichever is greater. j l 2. Inspecting all the gaskets and replacing any degraded gaskets in the couplings, i
- 3. Performing a flow check of each hydrant to verify its j OPERABILITY.
l --W-STS 3/4 7-39
$0V 2 1981
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i TABLE 3.7-6 YARD FIRE HYORANTS AND ASSOCIATED HYDRANT HOSE HOUSES LOCATION
- HYDRANT NUMBER t
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1
'l; t
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- List all Yard Fire Hydrants and Hydrant Hose Houses required to ensure the OPERABILITY of safety-related equipment. '
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l W-STS 3/4 7-40. ,NOV 2 01980 T
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r PLANT SYSTEMS 3/4.7.12 FIRE RATED ASSEMBLES
. LIMITING CONDITION FOR OPERATION I
3.7.12 All fire rated assemblies (walls, floor / ceilings, cable tray enclosures and other fire barriers) separating safety related fire areas or separating
. portions of redundant systems important to safe shutdown within a fire area ,
i i and all sealing devices in fire rated assembly penetrations (fire doors, fire l
) wia. dows, fire dampers, cable and piping penetration seals and ventilation ;
l seals) shall be OPERABLE. '
l I
i APPLICABILITY: At all times. l
- ACTION-
- a. With one or more of the above required fire rated assemblies and/or sealing devices inoperable, within one hour either establish a continuous fire watch on at least one side of the affected assembly, 1 I or verify the OPERABILITY of fire detectors on at least one side of 1 i
the inoperable assembly and establish an hourly fire watch patrol. l f Restore the inoperable fire rated assembly and sealing device to 1
- OPERABLE statas within 7 days or, in lieu of any other report I required by Specification 6.9.1, prepare and submit a Special Report
.( to the Commission pursuant to Specification 6.9.2 within the next 30 days outlining the action taken, the cause of the inoperable fire i rated assembly and/or sealing device and the plans and schedule for i restoring the fire rated assembly and sealing device to OPERABLE !
status. !
- b. The provisions of Specifications 3.0.3 and 3.0.4 are not applicable.
l SURVEILLANCE REQUIREMENTS 1
4.7.12.1 At least once per 18 months the above required fire rated assemblies '
and penetration sealing devices shall be verified OPERABLE by:
- a. Performing a visual inspection of the exposed surfaces of each fire i rated assemblies. i
- b. Performing a vi- Sspection of each fire window / fire damper /
and associated i 1 are.
- c. Performng a visual inspection of at least 10 percent of each type of sealed penetration. If apparent changes in appearance or abnormal degradations are found, a visual inspection of an additional 10 percent of each type of sealed penetration shall be made. This inspection process shall continue until a 10 percent sample with no apparent changes in appearance or abnormal degradation is found.
W-STS 3/4 7-41 'NOV 9 W i
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l PLANT SYSTEMS SURVEILLANCE REQUIREMENTS (Continued) 4.7.12.2 Each of the above required fire doors shall be verified OPERABLE by inspecting the automatic hold-open, release and closing mechanism and latches at. least once per 6 months, and by verifying:
a.
The position of each closed fire. door at least once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />. ;
b.
That doors with automatic hold-open and release mechanisms are free of obstructions at least once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />, c.
The 7 days. position of each locked closed fire door at least once per d.
The OPERABILITY of the fire door supervision system by performing a TRIP ACTUATING DEVICE OPERATIONAL TEST at least once per 31 days.
f*e k I 1
y-STS 3/4 7-42 ,NOV 2 1981
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