ML20151E357

Proposed Tech Specs Re Startup Feedwater Pumps & Auxiliary Feedwater Sys Surveillance Requirements

ML20151E357
Person / Time
Site:	Davis Besse
Issue date:	07/15/1988
From:	TOLEDO EDISON CO.
To:
Shared Package
ML20151E352	List: ML20151E350 ML20151E354 ML20151E357
References
NUDOCS 8807260035
Download: ML20151E357 (10)

Text

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TH.S PAGE ?ROVIDED FORINFORMATION ONL 3/4 LIMITING CONDITIONS FOR OPERATION AND SURVIELLANCE REQUI,REMENTS  ;

3/4.0 APPLICABILITY LIMITING CONDITION FOR OPERATION l

s 3.0.1 Limiting Conditions for Operation and ACTION requirements shall '

be applicable during the OPERATIONAL MODES or other conditions specified j for each specification.

3.0.2 A6herence to the requirements of the Limiting Condition for Operation and/or associated ACTION within the specified time interval

shall constitute compliance with the specification. In the event the Limiting Condition for Operation is restored prior to expiration of the 3 specified time interval, completion of the ACTION statement is not re-quired.

1 3.0.3 When a Limiting Condition for Operation is not met, except as i provided in the associated ACTION requirements, action shall be initiated

' within 1 bour to place the unit in a MODE in which the Specification does not apply to placing it, as applicable, in:

1. At least NOT STANDBY within 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />,  !

2. At least HOT SHlTTDOWN within the following 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />, and >

3. At least COLD SHUTDOWN within the subsequent 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

Where corrective measures are completed that permit operation under the ACTION requirements, the ACTION may be taken in accordance with the  :

specified time limits as measured from the time of failure to meet the Limiting Condition for Operation. Exceptions to these requirements are  ;

stated in the individual Specifications.

3.0.4 Entry into an OPERATIONAL MODE or other specified applicability f' condition shall not be made unless the conditions of the Limiting Con-i dition for Operation are met without reliance on provisions contained in the ACTION statements unless otherwise excepted. This proviston shall not ,

prevent passage through OPERATIONAL MODES as required to comply with ACTION statements. '

3.0.5 When a system, subsystem, train, component or device is determined

) to be inoperable solely because its emergency power source is inoperable, .

or solely because its normal power source is inoperable, it may be i considered OPERABLE for the purpose of satisfying the requirements of its j

,o applicable Limiting Condition for Operation, provided: (1) its corresponding y normal or emergency power source is OPERABLE; and (2) all of its redundant l

ge. system (s), subsystem (s), train (s), component (s) and device (s) are OPERABLE,

. So or likewise satisfy the requirements of this specification. Unless both i

Q conditions (1) and (2) are satisfied, within 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> action shall be initiated  ;

to place the unit in a MODE in which the applicable Limiting Condition for l $d Operation does not apply by placing it as applicable in:

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@@ 1. At leist HOT STANDBY within 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />.

o< 2. At least HOT SHlTTDOW within the following 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />, and rg 3. .

At least COLD SHIT!WWN within the subsequent 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />, j 88 m a. 0-This specification is not applicable it. MODES 5 or 6. i DAVIS-EESSE, UNIT 1 -

3/4 0-1 Amendment No. 71

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TH S PAGE PROMED FORINFORMATIONONLYt APPLICABILITY SURVEILLANCE REQUIREMENTS 4.0.1 Surveillance Requirements shall be applicable during the OPER-ATIONAL MODES or other conditions specified for individual Liaiting Conditions for Operation unless otherwise stated in an individual Sur-veillance Requirement.

4.0.2 Each Surveillance Requirement shall be performed within the specified time interval with:

a. A caximum allowable extension not to exceed 25% of the sur-veillance interval, and

b. A total maximum combined interval time for any 3 consecutive tests not to exceed 3.25 times the specified surveillance interval.

4.0.3 % . lure to perform a Surveillance Requirement within the specified j time ine. val shall constitute a failure to meet the OPERABILITY requirements for a Limiting Condition for Operation. Exception to these requirements are stated in the individual Specifications. Surveillance Regitirements do not have to be performed on inoperable equipment.

4.0.4 Entry into an OPERATIONAL MODE or other specified applicability condition shall not be made unless the Surveillance Requirement (s) associated with the Itaiting Condition for Operation have been performed within the stated surveillance interval or as otherwise specified.

4.0.5 Surveillance Requirements for inservice inspection and testing of ASME Code Class 1, 2 and 3 components shall be applicable as follows:

a. During the time period:

1. From issuance of the Facility Operating License to the start of facility commercial operation, inservice testing j of ASME Code Class 1, 2 and 3 pumps and valves shall be  !

performed in accordance with Section XI of the ASME Boiler i and Pressure Vessel Code 1974 Edition, and Addenda through Summer 1975, except where specific writter, relief has been granted by the Commission. I

2. Following start of facility commercial operation, inservice l inspection of ASME Code Class 1, 2 and 3 components and inservice testing of ASME Code Class 1, 2 and 3 pumps and valves shall be performed in accordance with Section XI of l the ASME Boiler and Pressure Vessel Code and applicable Addenda as required by 10 CFR 50, Section 50.55a(g), except where specific written relief has been granted by the Connission pursuant to 10 CFR 50, Section 55.55a(s)(6)(i).

b. Surveillance intervals specified in Section XI of the ASME j l Boiler and Pressure Vessel Code and i.pplicable Addenda for the j inservice inspection and testing activities required by the ASME l Boiler and Pressure Vessel Code ano applicable Addenda shall be l applicable as follows in these Technical Specifications

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l DAVIS-BESSE, UNIT 1 3/4 0-2 Amendment No. 71 l

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~ '3/4.0 APPLf CABIL!TY THIS PME PRWIBED i BASES F8R NORMAllM OKLY ,

The specifications of this section provide the general requirements applicable to each of the Limiting Conditions for Operation and Surveil-lance Requirements within Section 3/4.

3.0.1 This specification defines the applicability of each specifica-tion in terms of defined OPERATIONAL MODES or other specified conditions and is provided to delinette specifically when each specification is applicable, l

3.0.2 This specification defines those conditions necessary to constitute-compliance with the terms of an individual Limiting Condition for Operation and associated ACTION requirement.

3.0.3 This specification delineates the ACTION to be taken for circum-stances not directly provided for in the ACTION snataments and whose occurrence would violate the intant of the specification. For example, Specification 3.5.1 requires each P.aaccor Coolant System core flooding tank to be OPERABLE and providas explicit ACTION requirements if one tank is inoparable. Under the terms of the Specification 3.0.3, if more than one tank is inoperable, the unit is required to be in at learc HOT STAN'DBY vithin 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in at least HOT SHUTDOWN within the following 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />.

As a further example, Specification 3.6.2.1 requires two Containment Spray Systems to be OPERABLE and provides arplicit ACTION requirements if one spray system is inoperable:- Under the tarma of Specification 3.0.3, if both of the required Cone =h= ant spray Systems are inoperable, the unit is required to be in at laast hot STANDBY vichin 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />, in at least hot SRUTDOWN vichin the following 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />, and in at least COLD SHUTDOWN in the fo11oving'24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />. It is assumed that the unit is brought to the  !

required MODE vithin the required times by promptly initiating and carrying I cut the appropriate ACTION statement. 1 3.0.4 This specification provides that entry into an OPERATIONAL MODE or other specified applicability condition must be made with (a) the full complement of required systems, equipment or components OPERABLE and (b) all other parameters as specified in the Limiting Conditions for Operation being met without regard for allowable deviations and out of service provisions contained in the ACTION statements.

The intent of this provision is to insure that facility operation is not initiated with either required equipment or systems inoperable or other specified limits being exceeded.

Exceptions to this provision have been provided for a limited number of specifications when startup with inoperable equipment would not affect plant safety. These exceptions are stated in the ACTION statements of the appropriate specifications.

DAVIS-BESSE, UNIT 1 B 3/4 0-1 Amendment No. 71

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IlilS PAGi PROVIDE F00NMAll0N ONIY APPLICABILITY l

BASES 4.0.1 This specification provides that surveillance activities necessary to insure the Limiting Conditions for Operation are met and will be performed during the OPEPATIONAL MODES or other conditions for which the Limiting Conditions for Operation are applicable. Provisions for additional surveillance activities to be performed without regard to the applicable OPERATIONAL MODES or other conditions are provided in the l individual Surveillance Requirements.

1 4.0.2 The provisions of this specification provide allowable toler-ances for performing surveillance activities beyond those specified in  :

the nominal surveillance interval. These tolerances are necessary to provide operational flexibility because of scheduling and performance considerations. The phrase "at least" associated with a surveillance ,

frequency does not negate this allowable tolerance value and pemits '

the performance of more frequent surveillance activities.

The tolerance values, taken either individually or consecutively j over 3 test intervals, are sufficiently restrictive to ensure that *e

• reliability associated with the surveillance activity is not signifi- l cantly degraded beyond that obtained from the nominal specified interval.

4.0.3 The provisions of this specification set forth the criteria for determination of cor.pliance with the OPERABILITY requirements of the Limiting Conditions for Operations. Under this criteria, equipment, systems or components are asst.med to be OPERABLE if the associated surveillance activities have been satisfactorily performed within the specified time interval. Nothing in this provision is to be construed as defining equipment, systems or components OPERABLE, when such items are found or known to be inoperable although still meeting the Surveillance Requirements.

4.0.4 This specification ensures that the surveillance activities associated w'ith a Limiting Condition for Operation have been performed within the specified time interval prior to entry into an OPERATIONAL MODE or other applicable condition. The intent of this provision is to ensure that surveillance activities have been satisfactorily demonstrated on a current basis as required to meet the OPERABILITY requirements o.f the Limiting Condition for Operation.

DAVIS-BESSE, UNIT 1 B 3/4 0-2

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. THIS PAGE PR0'llDED 1 FOR LERE 01 DN.Y APPLICABILITY BASES Under the terms of this specification, for example, during initial plant startup or following extended plant outages, the applicable surveillance activities must be performed within the stated surveillance interval prior to placing or returning the system or equipment into j OPERABLE status. I 1

a.0.5 This specification ensures that inservice inspection of ASME Code Class 1, 2 and 3 components ana inservice testing of ASME Code Class 1, 2 and 3 pumps and valves will be performed in accordance with a period-ically updated version of Section XI of the ASME Boiler and Pressure Vessel Code and Addenda as required by 10 CFR 50.55a. Relief from any of the above requirements has been provided in writing by the Comission and is not a part of these technical specifications.

This specification' includes a clarification of the frequencies for performing the inservice inspection and testing activities required by Section XI of the ASME Boiler and Pressure Vessel Code and applicable Addenua. This clarification is provided to ensure consistency in surveillance intervals throughout these Technical Specifications and to remove any ambiguities relative to the frequencies for performin'g the required inservice inspection and testing activities.

Under ~the tems of this specification, the more restrictive requirements of the Technical Specifications take precedence over the ASME Boiler end Pressure Vessel Code and applicable Addenda. For example, the require-ments of Specification 4.0.4 to perform surveillance activitia.s prior to entry into an OPERATIONAL MODE or other specified applicability condition takes precedence over the ASME Boiler and Pressure Vessel Code provision which allows pumps to be tested up to one week after return to normsl pration and for example, the Technical Specification definition of OPERABLE does not grant a grace period before a device that is not capable of perfonning its specified functions is declared inoperable and takes precedence over the ASME Boiler and Pressure Vessel provision, i which allows a valve to be incapable of performing its specified function I for up to 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> before being declared inoperable.

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DAVIS-BESSE, UNIT 1 B 3/4 0-3 4 ' I p e W' #

i A00lil0NAL CHANGES PREVIOUSLY I SerialNo. PROPOSED

/50f DateN "W

BY L PLANT SYSTEMS AUXILIARY FEEDWATER SYSTEM LIMITING CONDITION FOR OPERATION I

3.7.1.2 Two independent steam generator auxiliary feedwater pumps and associated flow paths shall be OPERABLE.

APPLICABILITY: MODES 1, 2 and .  !

I ACTION: i

a. With one Auxiliary Feedwater System inoperable, restore the ,

inoperable system to OPERABLE status withiu 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> or be in  !

HOT SHVI'DOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />. I i

SURVEILLANCE REQUIREMENTS 1

4.7.1.2 Each Auxiliary Feedwater System shall be demonstrated OPERABLE:

a. At least once per 31 days on a STAGGERED TEST BASIS by:

1. Verifying that each steam turbine driven pump develops a '

differential pressure of > 1070 psid on recirculation flow when the secondary steam supply pressure is greater than 800 psia, as measured on PI SP 12B for pump 1-1 and PI SP 12A for pump 1-2. The provisions of SpeciRca6 ton 4.c.4 are not applica.ble for ent/y Into MODE. 3

2. Verifying that each valve (power operated or automatic) in the flow path is in its correct position.

3. Verifying that all manual valves in the auxiliary feedwater pump suction and discharge lines that affect the system's capacity to deliver water to the steam generator are locked in their proper position, j

4. Verifyiq owe valves cwi% cwm7, FWn,Fw41 onA FWtob are closed . i

b. At least once per 18 months by: I

1. Verifying that each automatic valve in the flow path actuates to its correct position on an auxiliary feed- )

water actuation test signal,pri : i: ::t:rir;; "^" 2. i f2. Verifying that each pump starts automatically upon receipt of an auxiliary feedwater actuation test signal.

pri:: ::  :: ::i;; MOS 2. The provisions of SpeciHco. tion J 4,o,4 are not oppiceable for entry' into MODE 3.

3. Verifying that there is a flow path between each auxiliary feedwater pump and each steam generator by pumping water from the Condensate Storage Tank to the steam generator.

' P::.i:i:: :f :::ti:: 2 . 0 . '- i : ::t :ppli::hl: f:: ::tr; i:te oGu 3.

DAVIS-BESSE, UNIT 1 3/4 7-4 Amendment No. 96 I

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/ AD0lil0NAL CHANGES PREVIOUSLY ADDill0NAL CHANGES PREVIOUSLY PROPOSED BY LETTER

.' SerialNo. / Of Da "d9df

/ si'i N ' /3 77 Date SN/D PLANT SYS ' EMS SURVEILLANCE REQUIREMENTS (Continued)

The flow path to the steam generator shall be verified

' r - ^r t --ir;; '^"

3 by either steam generator level change or Auxiliary Teedwater Safety Grade Flow Indication. Verification of the Auxiliary Feedvater System's flow capacity is not required.

c. The Auxiliary Feed Pump Turbine Steam Generator Level Control Systen shall be demonstrated OPERABLE by performance of a CHANNEL CHECX at least once per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />, a CHANNEL WNCTIONAL ,

TEST at least ootc per 31 days, and a C)LAVNEL CALIBRATION at least once per 13 mont5s.

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d. The Auxiliary Feed Pum,> Suction Pressure Interlocks, and Auxiliary Feed Pump Turbine Inlet Steam Pressure Interlocks shall be demonstrated OPEPABLE by performance of a CHANNEL FUNCTIONAL TEST st least once per 31 days, and a CHANNEL CALIBRATION at least once per 18 months.

e. Af ter any modificatio0 or repair to the Auxiliary Teedvater System that could af fect the system's capability to deliver water to the steam generator, the affected flow path shall be demonstrated available as follows:

1. If the modification or repair is downstream of the test flow line, the auxiliary feed pump shall pump water from the Condensate Storage Tank to the steam generator; and the flow path availability will be verified by steam generator i 12 vel change or Auxiliary Teedwater Safety Hade Flow Indication.

2 If the modification or repair is upstress of the test flow line, the auxiliary feed pump shall pump water t$.r, ugh the Auxiliary Feedwater System to the test flow lire; and the flow path availability will be verified by fir,v indication in the test flow line. (see note below)

This Surveillance Testing shall be performed prior to entering MODE 3 if the modification is made in MODES 4, 5 or 6. Verification of the Auxiliary Feedvater System's flow capacity is not required.

Note: When conducting tests of the Auxiliary Feedwater Systes in HOLES 1, 2, and 3 which require local manual restignaent of valves that make the system inoperable, a dedicated individual shall be stationed at the valves (in communication with the control room) sble to restore the valves to normal system OPERABLE status.

, DAVIS-BESSE, UNIT 1 3/4 7-5 Amendment No. 4 , 4 , 96

l THIS PAGE PROVIDED 1

- u - s , m ,0eet ,

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PROPOSED Seria\ No. /609 Date$ BY LETTER l29lff SURVEILIANCE REQUIREMENTS (Continued) f.

Following each extended cold shutdown (> 30 days in MODE 5), by:

1.

Verifying that there is a flow path between each auxiliary j feedwater pump and each steam generator by pumping Condensate Storage Tank water to the steam generator. The flow path  !

to the steam generator shall be verified by either steari l

generator level change or Auxiliary Feedwater Safety Grade Flow Indication. l I

Verification of the Auxiliary Feedwater System's flow capacity is not required.

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l l DAVIS-BESSE, UNIT 1 3/4 7-Sa Amendment No. 96

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l 3 -

l .: .,: ADDITIONAL CHANGES PREVIOUSLY

• Pi(0 POSED BY LEUER Scria\Ho._]50P Datef29h?

PLANT SYSTEMS BASES 3/4.7.1.2 AUXILIARY FEEDVATER SYSTEMS The OPERABILITY of the Auxiliary Feedwater Systema ensures that the Reactor Coolant System can be cooled down to less than 280'F from normal operating conditions in the event of a total loss of offsite power.

Each steam driven auxiliary feedwater pump is capable of delivering a total feedwater the flow of 600 gpa at a pressure of 1050 pais to the entrance of steam generators.

feedwater flow is available to remove decay heat and reduce th Coolant System temperature to less than 280'F where the Decay Heat Removal Systen say be placed in operation.

Following any modifications or repairs to the Auxiliary Teedwater System piping from the Condensate Storage Tank through auxiliary feed pumps to the steam generators that could affect the systes's capability to deliver water to the steam generators, following extended cold shutdown, a flow path verification test shall be performed. This test may be conducted in MODES 4, 5 or 6 using auxiliary steam to drive the auxiliary feed pumps turbine to demonstrate that the flow path exists from the Condensate Storage T.NSERT Tank A to the steam generators via auxiliary feed pumps.

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3/4.7.1.3 CONDENSATE STORAGE FACILITIES The OPERABILITY of the Condensate Storage Tank with the minimum water volume ensures that sufficient water is avail,ab,le.to maintain the RCS at HOT STANDBY conditions for 13 hours1.50463e-4 days <br />0.00361 hours <br />2.149471e-5 weeks <br />4.9465e-6 months <br /> with steam discharge to atmosphere and to cooldown the Reactor Coolant System to less than 280*F in the event of I

a. total loss of offsite power or of the main feedwater system. The l contained water volume limit includes an allowance for water not usable because of tank discharge line location or other physical characteristics.  ;

3/4.7.1.4 ACTIVITY

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The limitations on secendary systes specific activity ensure that the resultant offsite radiation dose will be limited to a small fraction of 10 CFR Part 100 limits in the event of a steam line rupture. This dose includes the effects of a coincident 1.0 GPM primary to secondary tube leak in the steam generator of the affected steam line. These values are consistent with the assumptions used in the safety analyses.

3/4.7.1.5 MAIN STEAM LINE ISOLATION VALVES The OPERABILITY of the main steam line isolation valves ensures that no more than one steam generator wila blowdown in the event of a steam line rupture. This restriction is required to 1) minimize the DAVIS-BESSE, UNIT 1 B3/4 7-2 ' Amendment No. H , H ,

Rev.11/1_8/87

.o l TNSERT A

\/erificaMon of de turbine plant cooUng wo.te.r valves (cwt % 4 c.W icn ) , the. l star +.,up feed woher pomp sucWon valves l

( FW 32 4 FW91 ) , and the. Start u p feeduJo.+.cr pomp d.isc.horg e. valv e (. FW lob ) I in We closed position is rec oire d 40 address +be concerns a.ssocrat ed With >ot,en bf al pip & Eai(UfeS in thC auxiliary feedwo.ter pom.p (coms +ho+

Cou.ld occur duvi/\g opera. bion of We sto.r+vp feed waber poq .

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