ML20010E308

Amend 35 to License DPR-54 Revising Tech Specs to Incorporate Newly Installed Fire Protection Sys

ML20010E308
Person / Time
Site:	Rancho Seco
Issue date:	08/20/1981
From:	Stolz J Office of Nuclear Reactor Regulation
To:
Shared Package
ML20010E306	List: ML20010E305 ML20010E308 ML20010E309 ML20010E311
References
TAC-43320, NUDOCS 8109030312
Download: ML20010E308 (17)

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UNITE 0 STATES NUCLEAP. REGULATORY COMMISSION

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WASHINGTON. D. C. 20558 j

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o, SACRAMNTO MUNICIPAL UTILITY DISTRICT DOCKET NO. 50-312 RANCHO SECO NUCLEAR GENERATING STATION AMENDMENT TO FACILITY OPERATING LICENSE Amndment No. 35 License No. DPR-54 1.

The Nuclear Regulatory Comission (the Comission) has found that:

A. Tha application for amendment by Sacramento Municipal Utility District (the licensee) dated June 19, 1980, as revised November 17, 1980, complies with the standards and requirements of the Atede Energy Act of 1954, as amended (the Act) and the Commission's rules and regulations set forth in 10 CFR Chapter I;

8.

The facility will operate in confomity with the application, the provisions of the Act, and the rules and regulations of the Comission; There is reasonable assurance (1) that the activities autherized C.

by this amendment can be conducted without endangering the 1:ealth and safety of the public, and (ii) that such activities will be ccnducted in compliance with the Comission's regulatici; The issuance of this amendment will not be inimical to the comon D.

defense and security or to the health and safety of the public; and The issuance of this amendment is in accordance with 10 CPR Part

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E.

51 of the Comissi'n's regulations and all applicable requirements have been satisfied.

8109030312 810820 PDR ADOCK 05000312 P

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Accordingly, Facility Operating License flo. DPR-54 is hereby amended by revising paragraph 2.C.(2) as follows and by changing the Technical Specifications as indicated in the attachment to this license amendment:

2.C.(2) Technical Specifications The Technical Specifications contained in Appendices A and 2, as revised through Amendment No. 35, are hereby incorporated in the license. The licensee shall operate the facility in accordance with the Technical Specifications.

3.

This license amendment is effective as of the date of its issuance.

FOR THE NUCLEAR REGULATORY COMMISSION Joh t-f. Stolz, Chief rating Reactors Branch #4 Division of Licensing

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Attachment:

Changes to the Technical Specifications Date of Issuance: August 20, 1901 t

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ATTACHMENT TO LICENSE Af1E!DiENT NO. 35 FACILITY OPERATING LICENSE NO. DPR-54 DOCKET NO. 50-312 Replace the following pages of the Appendix "A" Technical Specifications with the enclosed pages as indicated. The revised pages are identified by Amendment number and contain vertical lines indicating the area of change. The corresponding overleaf pages are also provided to maintain document completeness.

Pages 3-53 3-54 3-55 3-56 3-57 3-57A 3-58 3-59 4-58 l

4-59 4-60 4-61 1

4-62 I

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RANCHO SECO UNIT 1 TECHNICAL SPECIFICATIONS Limiting Conditions for Operation 3.14 FIRE SUPPRESSION 3.14.1 Instrumentation Soecification 3.14.1.1 As a minimum, the fire detection instrumentation for each fire detection zone shown in Table 3.14-1 shall be OPERABLE.

3 14.1.2 With the number of instruments OPERABLE less than required by the mini-mum instruments OPERABLE ' requirement of Table 3.14-1:

Within I hour establish a fire watch patrol to inspect the zone (s) a.

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 contain-ment air temperature at least once per hour from recorder TJR-07 at the points listed below:

Point 01 Reactor Building Cooling Units A s B Air in Point 02 Reactor Building Cooling Units C & D Air in Point 12 Top of Reactor Shielding Point 13 Top of Reactor Shielding Point 16 Top of Reactor Building b.

Restore the Inoperable instrument (s). to OPERABLE status within fourteen (14) days; or c.

In lieu of any other report required by Scacification f.9, prepare and submit a Special Report to the Commission pursuant to Speci-fication 6.9.5.E within the next 30 days outlining the action taken, the cause of the inoperability and the plans and schedule for restoring the Instrument (s) to OPERABLE status.

3.14.2 Water System Soecification 3 14.2.1 The fire suppression water system shall be OPERABLE with:

Two high-pressure pun.ps each with a capacity of 2000 gal / min a.

with their discharge aligned to the fire suppression header.

b.

Two separate water supplies containing a minimum of 2.000,000 gallons each.

3-53 Amendment flo.g 35 W

RANCHO SECO UNIT 1 TECHNICAL SPECIFICATIONS Limiting Conditions for Operation 3 14.2.1 (Continued) c.

An OPERABLE flow path capable of taking suction from the circu-lating water system and the Site Reservoir or the Folsom South Canal and transferring the water thruugh 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 ahead of the deluge valve on each deluge or spray system required to be OPERABLE per Specifications 3.14.3.i and 3.14.5 3 14.2.2 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 6.9.5.E prepare and submit a Special Report to the Commission pursuant to Specification 6.9 within the next 30 days ou**ining the plans and procedures to be used to restore the inoperable equipment to OPERABLE status or to provide an alternate backup pdmp or supply.

3.14.2.3 With no fire suppression water system OPERABLE:

a.

Establish a backup fire suppression water system equivalent to Specification 3.14.2.1 within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

b.

In lieu of any other report required by Specification 6.9 submit a Special Report in accordance with Specification 6.9.5.E:

1)

By telephone within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />,

2) Confirmed by telegraph, mailgram or facsimile transmission no later than the first working day following the event, and 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 OPERABLE status.

d.

If a. above cannot be fulfilled, place the reactor in llot Standby within the next six (6) hours and cold shutdown within the following thirty (30) hours.

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3-54 Amendment No. g, 35 t

RANCHO SECO UNIT 1 TECHNICAL SPECIFIC /.fl0NS Limiting Conditions for Operation TABLE 3.14-1 FIRE DETECTION INSTRUMENTS FOR SAFETY SYSTEMS I

Minimum Operable g

Zone Instrument Location Heat Flame Smoke 4A Control / Computer Room 0

0 8

4B Control / Computer Room 0

0 15 11 Battery Room, Mezzanine Level 0

0 4

12 West DC Control Room, Mezzanine Level 0

0 2

13 West 480 VAC Room, Mezzanine Level 0

0 2

14 West Cable Tray Area 0

0 2

15 East Cable Tray Area 0

0 2

16 East 480 VAC Room, Mezzanine Level 0

0 2

17 East DC Control Room, Mezzanine Level 0

0 2

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19 Communications Room 0 -

0 5

36 tst Battery Room, Grade Level 0

0 4

37 West 4160 VAC Room 0

0 2

38 East 4160 VAC Room 0

0 2

39 East Battery Room 0

0 4

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40 North Diesel Room 2

0 0

41 South Diesel Room 2

0 0

44 Reactor Coolant Pumps A and B 0

1-0 44 Reactor Coolant Pumps C and D 0

1 0

45 Electrical Penetration Area, Grade Level 0

0 2

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47 HPl Pump A Room 0

0 1

47 West DH Cooler Room (valve penetration area)

,Q 0

3 f

47 East DH Cooler Room (valve penetration area) 0 0

3 47 MU Pump Room 0

0 1

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47 HPI Pump B Room 0

0 1

48 West DH Pump Room O

0 1

l 48 East DH Pump Room 0

0 1

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Amendment No. X, 35 k

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RANCHO SECO UNIT I TECHNICAL SPECIFICATIONS Limiting conditions for Operation 3.14.3 Soray and Sorinkler Systems Specification 3 14.3.1 The spray and/or sprinkler systems located' In the following areas shall be OPERABLE:

a.

Control Room (Zone 3) b.

Controlled Area, Mezzanine Level (Zone 20)

Main Lube Oil Area, Grade Level (Zone 32) c.

d.

Grade Level (Zone 34)-

North Diesel Room (Zone 40) e.

f.

South Diesel Room (Zone 41)

West Controlled Area, Grade Level (Zone 42) g.

h.

East Controlled Area, Grade Level (Zone 43) 1.

South and East'-20' Level (Zone 46)

With one or more of the'above, items a through f, required spray and/or 3 14.3 2 sprinkler systems inoperable, within one hour establish a continuous fire watch with backup fire suppression equipment for those areas in which redundant systems or components required to safely shut down and cool down the plant could be damaged; for other areas, estabilsh an hourly fire watch patrol.

Restore the system to OPERABLE status within 14 days or, in lieu of any other report required by Specification 6.9, prepare and submit a Special Report to the Commission pursuant to Spect-fication 6.9.5.E within the next 30 days outlining the action taken, the cause of the inoperability and the plans and schedule for restor-Ing the system to OPERABLE status.

3 14.4 CO2 Systems Specification 2 systems located in the following areas shall be OPERABLE with 3.14.4.1 The CO a minimum capacity of 66% and a minimum pressure of 275 p; in -the storage tank.

Zone 12 West DC Control Room Mezzanine Level a.

b.

Zone 13 West 480 VAC Room Mezzanine Level c.

Zone 14 West Cable Tray Area d.

Zone 15 East Cable Tray Area Zone 16 East 480 VAC Room Mezzanine Level e.

f.

Zone 17 East DC Control Room Mezzanine Level Zone 36 West Battery Room Grade Level g.

Amendment tio. 38', '35 3-56

RANCHO SECO UNIT I TECHNICAL SPECIFICATIONS Limiting Conditions for Operation 3.14.4.1 (Continued) i h.

Zone 37 Vest 4160 VAC Room I.

Zone 38 East 4160 VAC Room J.

Zone 39 East Battery Roon k.

Zone 40 North Diesel Room 1.

Zone 41 South Diesel Room m.

Zone 19 Communications Room 3.14.4.2 With one or more of the above recuired CO2 systens inoperable, within one hour establish a continuous fire watch with backup fire surp ession equipment for those areas in which redundant systems or components required to safely shut down and cool down the plant couid be damaged; for other areas, establish an hourly fire watch patrol. Restore the system to OPERABLE status within 14 days or, in !!!u of any other report required by Specification 6.9, prepare and subrait a Special Report to the Commission pursuant to Specification 6.9.5.E within the next 30 dsys outlining the action taken, the cause of the inoperability and the plans and schedule for restoring the system to OPERABLE status.

3.14.5 Fire Hose Stations Soecification 3 14.5.1 The fire hose stations in the following locations shall be OPERABLE.

All stations specified in Table 3.14-2 a.

b.

Hydrant #2 c.

HyJeant 43 d.

Hydrant at coordinates N59+17; E30+20 f

I Hydrant at coordinates H59+17; E32+20 e.

j 3.14.5 2 Vith one or more of the fire hose stations above inoperable, route an add.itional equivalent size fire hose to the unprotected area (s) from an OPERABLE hose station within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> if the inoperable fire hose is the primary means of fire suppression; otherwise, route 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 fire hose station to i

OPERABLE status within 14 days or, in lieu of any other report required by Specification 6.9, prepare and submit a Special Report to the Commission pursuant to Specification 6.9.5.E within the next 30 days outlining the action taken, the c.ause of the inoperability, and plans and schedule for restoring the station to OPERABLE status.

3-57 Amendment No. M, 35 l

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RANCHO SECO UNIT 1 TECHNICAL SPECIFICATIONS for Operation Limiting Conditions TABLE 3.14-2 AUXILIARY BUILDING FIRE HOSE STATIONS 10 No.

Location HS 1

+40 ft. Level Corridor by Counting Room HS 2

+40 ft. Level Corridor Across from Control Room HS 3

+40 ft. Level Corridor by Chemistry Lab

5 4

+40 f t. Level Corridor by Cleaning Room HS 5

+20 ft. Level in Ventilation Equipment Room HS 6

+20 ft. Level Corridor by Communications Room HS 7 Grade Level by CRD Cool,ing Water Heat Exchanger HS 8'

+20 ft. Level Corridor by Ventilation Equipment Room HS 9

+20 ft. Level Corridor by A/C Equipment Room HS 10 Grade Level Corridor by Diesel Generator Room HS 11 Grade Level Corridor Across from East 4160 Switchgear Room HS 12 Grada Level Corridor across from East Battery Room HS 13 Grade Level Corridor by East End Stairwell HS 14 Grade Level by Waste Solidification Area HS 15

-20 ft. L'evel HPl Pump A Room HS 16

-20 ft. Level Containment Penetration Vsive Area HS 17

-20 ft. Level Corridor by Waste Gas Decay Tank Room HS 18

-20 ft. Level Corridor North of BA Evaporator Room HS 19

-47 f t. Level Stai rway by East and West DHR Pump Rooms I

HS 20

-20 ft. Level Corridor East of HPl Pump B Room Amendment No. 35 3-57A t

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RANCHO SECO UNIT.

TECHNICAL SPECIFICATIONS Limiti,ng Conditions for Operation i

3 14.6 Fire Barrier Penetration Fire Seals Specification 3 14.6.1 All fire barrier penetrations (including cable penetration barriers, fire doors and fire dampers) in fire zone boundaries protecting safety related areas shall be functional.

3 14.6.2 With one or more of the above required fire barrier penetrations non-functional, within one hour either establish a continuous fire watch on at least one side of the af fected penetration, or verify the OPERA-BILITY of fire detectors on at least one side of the non-functional fire barrier and establish an hourly fire watch patrol. Restore the non-functional fire barrier penetrations to functional status within 7 days or, in lieu of any other report required by Specification 6.9, prepare and submit a Special Report to the Commission pursuant to Specification 6.9.5.E within the next 30 days outlining the action taken, t

the cause of the non-functional penetration and plans and schedule for restoring the fire barrier pe'netrations to functional status.

Bases OPERABILITY of the fire detection instrumentation ensures that adequate warning capability is available for the prompt detection of fires. This capability is required. in order to detect and locate fires in their early stages.

Prompt de-taction of fires will reduce the potential for damage to safety related equipment and is an integral element in the overall facility fire protection program.

l In the event that a portion "f the fire detection instrumentation is inoperable, the estab!!shment of frequent fire patrols in the affected areas is required to provide detection capability until the inoperable instrumentation is returned to service.

The OPERABILITY of the fire suppression systems ensures that adequate fire suppres-slon capability is available to confine and extinguish fires occurring in any portion of the facility where safety related equipment is located. The fire sup-pression system consists of the water system, spray and/or sprinklers, CO, and 2

fire hose stations. The collective capability of the fire suppression systems is adequate to minimize potentidl damage to safety related equipment and is a major element in the facility fire protection program.

In the event that portions of the fire suppression systems are inoperable, alter-nate backup fire fighting equipment is required to be made available in the affected areas until the affected equipment can be restored to service.

In the event that the fire suopression water system becomes inoperable, immediate corrective measures must be taken since this system provides the major fire sup-pression capability of the plant. The requirement for a twenty-four (24) hour report to the Commission provides for pro.mpt evaluation of the acceptability of the corrective measure to provide adequate fire. suppression capability for the continued protection of the nuclear plant.

Amendment No. J/,35 3-58

RANCHO SECO UNIT 1 TECHNICAL SPECIFICATIONS Limiting Conditions for Operation Bases (Continued)

The functional integrity of the fire barrier penetration seals ensures that fires will be confined or adeqt-ately retarc ed 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 extinguish-

• ment. The fire barrier penetration seals are a passive element in the facility fire protection program and are subject to periodic inspections.

During periods of time when the seals are not functional, an hourly fire watch is required to be maintained in the vicinity of the af fected seal until the seal is res tored to functional status.

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l Amendment No. Jef, 35 3-59

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RANCHO SECO UNIT I TECHNICAL SPECIFICATIONS Surveillance Standards 4.18 FIRE SUPPRESSf0N SYSTEM SURVElLLANCE

• 4.18.1 Instrumentatio, 4.18.1.1 Except for fire detection instruments inaccessible during power operation, each of the fire detection instruments in Table 3.14-1 shall be'demonrtrated OPERABLE at least semi-annually by a CHANNEL FUNCTIONAL TEST. Fire detectors which are not accessible dering plant operation shall be demonstrated OPERABLE by the performance of a CHANNEL FUNCTIONAL TEST during each COLD $5,TOCWN exceeding 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> unless performed in tne previous 6 months.

4 10 1 2 The NFPA Standard 720 supervised circuits associated with the detector alarms for each of the fire instruments in Table 3.14-1 shall be demonstrated OPERABLE at least semi-annually.

4 10 I 3 Non-supervised circuits associated with detector alarns, between the instrument and the control room shall be demonstrated OPERABLE at least once per 31 days.

4.18.2 Water System 4.18.2.1.

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 ?t for at least 15 m'nutes on recirculation flow.

c.

At least once per 31 days by verifying that each valve (manual, power operated or automatic) in the flow path is in its correct position as Indicated by pcsition instrumentation.

d.

At least once per 6 months by performance of a system flush to each test fixture.

e.

At least once per 12 months by cycling each testable valve in the flow path through at least one complete cycle of full travel.

f.

At least once per' 18 months by.performino a system funct'ional test which includes simulated automatic actuation of the system throughout its operating sequence, and:

1.

Verifying that each automatic valve in the flow path actuates to its correct position, 2.

Verifying that each pump develops at least 2000 gpm at a mini-mum pressure of 125 psig.

Amendment No. Jef, 35 4-58

RANCHO SECO UNIT 1 TECHNICAL SPECIFICATIONS Surveillance Standards 4.18.2.1 (Continued) 3 Cycling each valve in the flow path that is not testable during plant operation through at least one complete cycle of full travel, and 4.

Verifying that each fire suppression pump starts (sequentially)

o maintain the fire suppression water system pressure greater than or equal to 80 psig.

At least once per 3 years by performing a flow test of the system g.

in accordance with Chapter 5, Section 11 of the Fire Protection Handbook, 14th Edition, published by the National Fire Protection Association.

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Amer.dment No. J Y, 35 4-59

RANCHO SECO UNIT 1 TECHNICAL SPECIFICATIONS Surveillance Standards 4.18.2.1 (Continued) h.

The fire p..ap diesel engine shall be demonstrated OPERABLE:

1.

At least o,nce per 31 days by verifying:

a) The fuel storage tank cer.? air, at least 250 gallons of fuel, and b) The diesel starts from ambient conditions and operates for at least 30 minutes on_ recirculation flow.

At least once oer 92 days by verifying that a sample of diesel 2.

from the fuel s~torage tank, obtaine'd in accordance with

. ASTM-D27d-6I, is within the acceptable limits specified in Table 1 of ASTM-D975-74 with respect to viscosity, water content and sediment.

3. 'At least once per 18 months, by subjectInc the diesel to an I oection in accordance with procedures prepared in conjunction jth its manufacturer's recommendations for the class of service.

i. The fire pump diesel starting 24-volt battery bank and charger shall be demonstrated OPERABLE:

1.

At ' east once per 7 days by verifying that:

a) The electrolyte ievel of each battery is above the plates, and b) The overall battery voltage is greater than or equal to 24 volts.

2.

At least once per 92 days by verifying that the specific gravity is appropriate for continued service of the battery.

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At least once per 18monthsbyverifying',(that:

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a) The batteries, cell plates'anid battery racks show no 1

visual indication of physical damage or abnormal deterioration, and b) The battery-to-battery nd terminal connections are

I clean, tight, free of corrosion and coated with anti-corrosion material.

l Amendment flo.,F6',

35 4-60 l

RANCHO SECO UNIT 1 TECHNICAL SPECIFICATIONS Surveillance Standards 4.18.3 Spray and/or Sprinkler Syste.as 4.18.3 1 The spray and/or sprinkler systems specified in Section 314.3.1 shall be demonstrated to be OPERABLE:

a.

At least once per 31 days by verifying that each valve (manual, power operated or automatic) in the flow path is in its correct position visually or as indicated by position Instrumentation.

b.

Annually by cycling each testable valve througn one complete cycla of full travel.

c.

Once per 18 months:

1) By performing a system functional test which includes simu-lated automatic actuation of the system and verifying that the automatic valves in the flow path actuate to their correct positions, and cycling each valve in the flow path that is not testable during plant operation through at least one complete cycle of full travel; and

2) By inspection of spray and/or sprinkler headers to verify their integrity; and i

3) By inspection of each nozzle and/or sprinkler to verify no

blockage, d.

At least once per three (3) years by performing a flow test throuch each inspector test station valve and verifying each open head spray and/or sprinkler header is unobstructed.

4.18.4 CO Systems 2

4.18.4.1 The CO, systems specified in Section 3.14.4.1 shall be demonstrated OPERABCE:

storage tank level to be Once per 7 days by verifying the CO2 a.

greater than 66% and pressure to be greater than 275 psig.

b.

Once per 31 days by verifying that each valve (manual, power operated, or automatic) in the flow path is in the correct position visually or as Indicated by position instrumentation.

Once per 18 months by verifying the system electro manual pilot c.

valves and associated ventilation dampers actuate automatically l

and manually to a simulated actuation signal. A flow test shall l

be made to verify flow from each nozzle.

4.18.5 Fire Hose Stations Each fire hose station specified in Section 314.5.1 shall be demonstr'ated 4.18.5 1 to be OPEE43LE:

Amendment No. Mf, 35

RANCHO SECO UNIT 1 TECHNICAL SPECIFICATIONS Surveillance Standards Once per 31 days by visual inspection of the station to assure all a.

equipment is available at the station.

b.

Once per 18 months inspect and replace all gaskets in the couplings that are degraded, and remove the hose for inspection and re-racking.

i Once per three (3) years, partially open hose station valves to c.

verify valve operability and no valve blockage.

d.

Once per three (3) years by removing and replacing all hose with new equivalent NFPA tested and approved hose.

4.18.6 Fire Barrier Penetrations 4.18.6.1 Each of the fire barrier penetrations specified in Section 314.6.1 shall be verified to be functional:

i At least once per 18 months by a visual Inspection.

i a.

b.

Prior to returning a' fire barrier penetration to functional status following repairs or maintenance by performance of a visual inspection of the affected fire barrier penetration (s).

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Amendment No. Aff, 35 4-62 t

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6.0 AbMINISTRATIVECONTROLS 6.1 RESPONSIBILITY 6.1.1 The Manager of fluclear Operations shall be responsible for the management of the overall facility and the Plant Super-intendent shall be responsible to him for the operation and maintenance of the plant. They shall delegate in writing the succession to their responsibility during their absences.

6.2 ORGANIZATION OFFSITE 6.2.1 The offsite organization for facility management and technical support shall be as shown on figure 6.2-1.

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' FACILITY STAFF, F

I 6.2.2 The Facility or'ganization shall be as shown on Figure 6.2-2 and:

a.

Each on duty shift shall be comDosed of at least the minimum shift crew composition shown in Table 6.2-1.

b.

At least one licensed Operator shall' be in the control room when fuel is in the reactor.

c.

'At least two licensed Operators shall be present in the control room during reactor start-up, scheduled reactor shutdown and during recovery from reactor trips.

I d.

An individual qualified in radiation protection procedures shall be on site when fuel is in the reactor, e.

ALL CORE ALTERATIONS after the initial fuel loading shall be directly supervised by either a licensed Senior Reactor Operator or Senior Reactor Ooerator limited to Fuel Handling who has no.other concurrent responsibilities dering this operation.

f.

A site Fire Brigade of at least 5 meders shall be maintained onsite at all times.* The Fire Brigade shall not include 3 meders of the mini-mum shift crew necessary for safe shutdown of the unit and any personnel required for other essential functions during a fire emergency.

• Fire Brigade composition may be less than the minimum requirements for a l

period of time not to exceed 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> in order to accomodate unexpectad absence provided imediate action is taken to fill the required positions.

j Amendment No. X,.X,35 6-1

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