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Amend 42 to License DPR-66,revising Tech Specs to Allow Deviation of Approx 16 Steps Between Rod Demand & Analog Rod Position Indicators for Operation During Cycle 2
	ML19347F679
Person / Time
Site:	Beaver Valley
Issue date:	05/15/1981
From:	Varga S; Office of Nuclear Reactor Regulation
To:	;
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ML19347F680	List: ML19347F679; ML19347F681; ML19347F682;
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	NUDOCS 8105260010
	Download: ML19347F679 (7)
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UNITED STATES E,a NUCLEAR REGULATORY COMMISSION

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t WASHINGTON, D. C. 20555

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DUQUESNE LIGHT' COMPANY

'0HIO' EDISON' COMPANY PENNSYLVANIA' POWER COMPANY

' DOCKET'NO.'50 334

' BEAVER VALLEY' POWER STATION;' UNIT NO. '1

' AMENDMENT TO FACILITY' OPERATING' LICENSE Amendment No. 42 License No. DPR-66 1.

The Nuclear R.egulatory Commission (the' Commission) has found that:

A.

The application for amendment by Duquesne Light Company, Ohio Edison Company, and Pennsylvania Power Company (the licensees) dated March 13, 1981, suppleraented ApriT 8,1981, complies with the standards and requirements of the Afomic Energy Act 6f 195a, as amended (the Act) and the Commission's rules and regulations set forth in 10 CFR Chapter I; B.

The facility will operate in conformity with the application, the provisions of the Act, and the rules and regulations of the Commission; C.

There is reasonable assurance (i) that the activities authorized by this amendment can be conducted without endangering the health and safety of the public, and (ii) that such'activit'ies will be conducted in compliance-with the Commission's regulations; D.

The issuance of this amendment will hot be inimical to the common defense and security or to the health and safety of the public; and E.

The issuance of this amendment is in accordance with 10 CFR Pa'rt' 51 of the Commission's regulations and all applicable requirements have been satisfied.

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Accordingly, the license is amended by changes to the Thchnical Specifications as indicated in the attachment to this license amendment, and paragraph 2.C.(2) of Facility Operating License No. DPR-66 is hereby amended to read as follows:

(2) Technical Specifications The Technical Specifications contained in Appendices A and B, as revised through Amendment No. 42, are hereby incorporated in the license. The licensee shall operate the facility in accordance with the Technical Specifications.

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

FOR HE NUCL R ULATORY COMMISSION i

e a ga, Operating Reactors ch iF1 Division of Licensin

Attachment:

Changes to the Technical Specifications Date of Issuance: May 15, 1981 I

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ATTACHMENT TO LICENSE AMENDMENT MiENDMENT MO. 42 TO FACILITY OPERATING LICENSE NO. OPR-66 DOCKET NO. 50-334 Revise' Appendix A as follows:

Remove Pages Insert Pages 3/4 1-18

-3/4 1-18 3/4 1-19 3/4 1-19 3/4 1-20 3/4 1-20 3/4 1-20A 3/4 1-20A i

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s REACTIVITY CONTROL SYSTEMS 3/4.1.3 MOVABLE CONTROL ASSE'M5 LIES GROUP HEIGHT LIMITING CONDITION FOR OPERATION 3.1.3.1 All full length (shutdown and control) rods whi h are inserted in the core shall be OPERABLE and positioned within i 16 steps (determined in accordanca with Specification 3.1.3.2 of their group step counter demand position.

APPLICABILITY: MOD 85 1* and 2*

ACTION:

a.

With one or more full length rods inoperable due to being imovable as a result of excessive friction or mechanical interference or known to be untrippa61e. detamine that the SHUTDOWN MARGIN requirement of Specification 3.1.1.1 is

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satisfied within 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months and be in HOT STANDBY within,6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months .

b.

hith more than one full length rod 150PERABLE or indicated to be misaligned from any other red in its group by m' ore than

+ 16 steps (detemined in accordance with Specification 3.1.3.2),

1 Fe in HOT STAND 3Y within 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months .

With one full length rod inoperable or indicated to be misajigned c.

frem its group step.countar demand height By more than i16 steps (detemined in ac'cordance with Specification 3.1.3.2), POWER OPERATION may continue provided'that within one hdur either:'

1.

The rod is restored to OPERABLE st'atus within the above alignment requirements, or 2.

The rod is declared inoperable and the SHUTDOWN RARGIN requirement of Specification 3.1.1.1 is satisfied.

P0"ER OPERATION may'then continue provided that:

a)

An analysis of the potential ejected red worth is perfomed within 3 days and the rod worth is determined to be < 0.95: ak at zero power and

< 0.20% Ak at RATED THERFAL POWER for the Femainder of the fuel cycle, and b)

The SHUTDOWN MARGIN requirement of Specification 3.1.1.1 is determined at least once per 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months , and

- See Special. Test Exceptions 3.10.2 and 3.10.4

1. For Cycle 2 Operatien' only. '

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. u.en usi i ev. nuiT 1 3/4 1-18 amans-.e nn '49

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REACTIVITYCbHTROLSYSTEMS LIMITING CONDITION FOR OPERATION (Continued) c)

The THERMAL POWER le is reduced to < 75% of RATED THERMAL POWER within one hour and within the next 4 hours4.62963e-5 days 0.00111 hours 6.613757e-6 weeks 1.522e-6 months the high neutron flux trip setpoint is reduced to 5,85% of RATED THERMAL POWER, or d)

The remainder of the rods in the group with the inoperable rod are aligned to within + 16 steps'of

' the inoperable rod within one hour whTle maintaining the rod sequence and insertion limits of Figures 3.1-1 and 3.1-2; the THERMAL POWER level shall be restricted pursuant to Specification 3.1.3.5 during subsequent operatien.

SURVEILLANCE REQUIREMENTS 4.1.3.1.1 The position of each full length rod shall be determined to be within the group. demand lindt by verifying the individual rod positi s,

at least once per 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months except during time intarvals when the Rod Fosition Deviation Monitor is inoperable, then verify the group positions at least once per 4 hours4.62963e-5 days 0.00111 hours 6.613757e-6 weeks 1.522e-6 months .

4.1.3.1.2 Each full length rod not fully inserted shall be determined to be OPERASLE by movement of at least 10 steps in any one direction at least once per 31 days.,

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For Cycle 2 Operation only.

l BEAVER VALLEY - UNIT 1 3/4 1-19 Amendment No. 42 l

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REACTIVITY CONTROL SYSTEMS POSITION INDICATOR CHANNELS LIMITING CONDITION FOR OPERATION 3.1.3.2 For Cycle 2 operation, all shutdown an'd' control rod position indicator channels anu the demand position indication system shall be OPE?y' BLE and capable of determining the control rod positions within 16 steps by direct analog indication or as a backup by measurement-l-

3 If a rod position indicator of channel detector primary) voltages. analog channel indicates 16 steps o j

indicator, red positions for the affected rods shall be dhtermined by measuring detector p,rimary voltage.s, as follows:

a.

int.ediately.

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l if associated rods mov'e greater than 8 steps (greater than 16 b.

steps if all rods in the group have been determined to be within I

S steps of the group demand indir.ator byz primary voltage measure-l ments within the previous 4 hours4.62963e-5 days 0.00111 hours 6.613757e-6 weeks 1.522e-6 months ),

at 4 hour4.62963e-5 days 0.00111 hours 6.613757e-6 weeks 1.522e-6 months intervals if the affected rod (s).are not fully inserted c.

or fully withdrawn, d.

at 24 hour2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months intervals if the affected rod (s) are fully inserted or

-- fully withdrawn.

When the rod position indicator channel is INOPERABLE, the position of not more than three control rods per bank which are not fully inserted or fully withdrawn may be determined by use of the detector primary voltage measurements.*

APPLICABILITY: 14 odes 1 and 2*

ACTION:

If greater f.han 3 red position indicators per bank, for banks a.

not fully withdrawn or fully inserted, are IN0PERASLE, then

' declare the rod position indicator system to be INOPERABLE and be in HOT STAND 3Y within 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months after the allowed 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months stabilization period and in COLD SHUTDOWN in the follcwing 30 hours3.472222e-4 days 0.00833 hours 4.960317e-5 weeks 1.1415e-5 months . Submit a Special Report to the NRC by telephone and in writing within 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months or by the close of the next business day, whichever is later. Restore all affected Rod Position Indicators to OPERABLE status prior to entry to 14 ode 2.

b.

If the position of a maximum of one rod dannot be determined by either the direct reading of the rod position indicators or by reading primary detector voltage measurements, either:

1.'

Oetermine the position of the non-indicating rod indir'ectly by the movable incore detectors immediately and at least once per 8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months and immediately after any motion of the non-indicating rod which exceeds 32 steps in one direction 1

since the last determination of the rod's position, or 2.

Reduce THERMAL POWER TO < 50% of RATED THERMAL POWER within 8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months .

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For Cycle 2 Operation only.

BEAVER VALLEY - UNIT 1 3/4 1-20 Amendment No. 42

MEti1V197 C05IRonIS otM5

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ACTION:

(Continu :d)

F With a maximum of one demand position indicator per bank c

c.

inoperable, either:

i Verify that all rod position IUicators for the affected 1.

bank are OPERABLE and that the most withdrawn' rod and the least withdrawn rod of the bank are within a maximum of 16 steps of each other imediately after rod motion 1

greater than 8 steps (greater than 16 steps if all rods 1

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i in the group have been determined to be within 8 steps of the group demand indicator by voltage measurements within the previous 4 hours4.62963e-5 days 0.00111 hours 6.613757e-6 weeks 1.522e-6 months ) and at least once per-8 hours, or 2.

Reduce THERMAL POWER TO < 50% of RATED TliERMAL PCWER within 8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months .

If the position of more than one rod cannot be determined by d.

either the direct reading of the rop position indicatofs or by reading. primary detector voltage measurements, then Specification 3.0.3 is applicable.

SURVEILLANCE REQUIREMENTS Each rod position indicator channel shall,be deterdined to be 4.1.3.2 OPERABLE by verifying the demand position indication system and the rod l

position indicator channels agree within 16 8 steps at least once per 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months (except during time intervals when the Rod Position Deviation Monitor is IN0 PEP.ABLE or is in a continuous state of alarm), then ccapare the demand position indication system and the rod position indicator channels at approximately 4 hour4.62963e-5 days 0.00111 hours 6.613757e-6 weeks 1.522e-6 months intervals, as follows:

If an individual rod position indicator analog channel does not settle to within + 16' steps within 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months , then declare that l

a.

channel INOPERABLE.

For any INOPERABLE channel, no repairs or adjustments shall b.

be pennitted without being folicwed immed4'tely by a full range calibration.

1YSICS TESTING in Mode 2, primary detector voltage' measurements

For Core P:

may be used to determine the position of rods in shutdown banks A and 3 and control banks A and 8 for the purpose of satisfying Scecification.

During Mode 2 operations, rod position indicators for shutdown 3.1.3.2.

banksAandBandcontrolbanksAandymaydeviatefromthegroup l

demand indicators by greater than + 16 steps during reactor startup t

and shutdown operations, while rods are being withdrawn or inserted.

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If the rod position indicators for shutdown banks A and B and control I

banks A and 3 deviais by Feater than + 16 steps from the group demand 1

indicator, rod withdrawal or insertion may continue until the desired group height-is achieved.

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For Cycle 2 Operation only.

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oewco ValICY - IINTT 1 3/4 1-20A Anendment No. 42

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ML19347F679

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