ML20203K508

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Amends 165 & 160 to Licenses DPR-19 & DPR-25,respectively, Removing 24/48 Vdc Batteries & Associated Charger & Distribution Sys from Unit 2 TS
ML20203K508
Person / Time
Site: Dresden  Constellation icon.png
Issue date: 02/25/1998
From: Stang J
NRC (Affiliation Not Assigned)
To:
Shared Package
ML20203K510 List:
References
NUDOCS 9803050115
Download: ML20203K508 (9)


Text

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'4 UNITED STATES s

j NUCf. EAR REGULATORY COMMISSION 2

WASHINGTON, D.C. 30e06-0001

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COMMONWEALTH EDISON COMPANY DOCKET NO. 50-237 f.pf1ESDEN NUCLEAR POWER STATION. UNIT 2 AMENDMENT TO FACILITY OPERATING LICENSE Amendment No. 165 License No. DPR 19 1.

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

A.

Thw application for amendment by the Commonwealth Edison Company (the licensee) osted November 7,1997, complies witn the standards and requirements of the Atomic F.nergy Act of 1954, as amended (ths 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 activities will be conducted in compliance with the Commission's ragulations; D.

The issuance of this amendment will not be inimical to the common defense and security or to the health and safety of the public; :.nd E.

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

2.

Accordingly, the license is amended by changes to the Technical Specifications as indicated in the attachment to this license amendment sod paragraph 2.C.(2) of Facility Operating License No. DF'R 19 is hereby amended to read as follows:

i 9803050t15 900225 PDR ADOCK 05000237 P

PDR

2-(2)

Technical Specifications The Technical Specifications cantained in Appendix A, as revised through Amer:dment No. 165, are hemby incorporated in the licenst The licensee shall operate the facility in accordance with the Technical Specificat ens.

3.

Tbk eense amendment is effective as of the date of its issuance and shall be implemented within 30 days.

FOR THE NUCLEAR REGULATORY COMMISSION W}O

d. y J in F. Stang, Senior Project Manager Project Directorate ill-2 Division of Reactor Proju,in - til/IV office of Nuclear Reactor Regulation

Attachment:

Changes to the Technical Specifications Date of Issuance:

February 25, 1998 l

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5 UNITED STATES y

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NUCLEAR REGULATORY COMMISSION 2

WASHINGTON, n.C. SeteH001 Ts...../

COMMONWEAL.TH EDISON COMDAtf(

POCKET NO. 50-249 j.

DRESDff[ NUCLEAR POWER STATION. UNIT 1 AMENDMENT TO FACILITY OPERATING LICENSE i

l Amendment No.160 l

License No. DPR 25 1.

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

1 A.

The application for amendment by the Commonwealth Edison Company (the licensee) dated November 7,1997, complies with the standards and requirements of to Atomic Energy Act of 1954, 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 4

Act and the rules and regulations of the Commission; J

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 activities will be conducted in compliance with the Commission's regulations;

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D The issuance of this amendment will not be inim: cal to the common defsnse and security or to the health and safety of the public; and E.

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

2.

Accordingly, the license is amended by changes to the Technical Specifications, ss indicated in the attachment to this license amendment und paragraph 3.B. of Facility Operating Licenn No. DPR-25 is hereby amended to read as follows:

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B.

Tecnnical Specifications The Technical Specifications contained in Appendix A, as revised through Amoredmont No. 160, 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 data of its issuance and shall be implemented within 30 days.

FOR THE NUCLEAR REGULATORY COMMISSION b

Mk hn F. Stang, S or Project Manager Project Directorate 1112 Division of Reactor Projects. lil/lV Office of Nuclear Reactor Regulation

Attachment:

Changes to the Technical Specifications Date of issuance: February 25, 1998 4

4

ATTACHMENT TO LICENSE AMENDMENT NOS.165 AND 160 FACILITY OPERATING LICENSE NOS. DPR-19 AND DPR 25 DOCKET NOS. 50-237 AND 50-249 Revise the Appendix A Technical Specifications by removing the pages identified below and inserting the attached pages The revised pages are identified by the captioned amendment number and contain marginallines indicating the aretdf change.

REMOVE INSERT 3/4.9-12 3/4.9-12 3/4.9-16 3/4.9 16 3/4.9 18 3/4.9-18 I

2/4.9-20 3/4.9-20 J

ELECTRICAL POWER SYSTEMS D.C. Sources - Oporating 3/4.9.C 3.9 LIMITING CONDITIONS FOR OPERATION 4.9 SURVEILLANCE REQUIREMENTS C.

D.C. Sources - Operating C.

D.C. Sources Operating As a minimum, the following D.C. electrical Each of the required 125 volt and 250 volt l

power sources shall be OPERABLE with the batteries and chargers shall be identified parameters within the limits demonstrated OPERABLE":

specified in Table 4.9.C 'i:

1.

At least once per 7 days by verifying 1.

Two station 250 volt batteries, that:

each with a full capacity charger, a.

The parameters in Table 4.9.C-1 2.

Two station 125 volt batteries, meet Category A limits, and each with a full capacity charger.

b.

There is correct breaker alignment l

to the battery chargers and total battery terminal voltage is 2125.9 or h260.4 volts, as l

APPLICABILITY:

applicable, on float charge.

OPERATIONAL MODE (s) 1,2, and 3.

2.

At least once per 92 days and within 7 days after a battery discharge with a battery terminal voltage below 105 or l

_ ACTION:

210 volts, as applicable, or battery overcharge with battery terminal l

1.

With one of the above required 250 voltage above 150,r 300 volts, as l

volt station batteries and/or chargers applicable, by verifying that:

inoperable, restore the inoperable equipment to OPERABLE status within a.

The parameters in Table 4.9.C-1 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br />".

meet the Category B limits, b.

There is no visible corrosion et either terminals or connectors, or the connection resistance of those items is $150 x10s ohms or s20% above baseline connection resistance, whichever is higher, and a

An aitemate 125 volt battery shall adhere to these same Surveillance Requirements to be considered OPERABLE.

except the Unit 2 total battery terminal voltage on float charge shall be verified weekly as 2130.2 volts, b

Each 250 voit battery may be inoperable for a maximum of seven days por operating cycle for rnaintenance or testing, if it is determined that a 250 voit battery need bo replaced as a result of maintenance 1 testing, a specific battery may be inoperable for an additional seven days per operating cycle.

DRESDEN - UNITS 2 & 3 3/4.9-12 Amendment Nos.165,160

I ELECTRICAL POWER SYSTEMS D.C. Sourca Shutdown 3/4.9.D 3.9 LIMITING CONDITIONS FOR OPERATION 4.9 - SURVEILLANCE REQUIREMENTS D.

D.C. Sources - Shutdown D.

D.C. Sources Shutdown As a minimum, the following D.C. electrical The required batteiles and chargers shall be power sources shall be OPERABLE:

demonstrated OPERABLE

  • per the i

surveillance requirements in Specification 1.

One station 250 volt battery with a 4.9.C.

full capacity charger.

2.

One station 125 volt battery with a full capacity charger.

l' APPLICABILITY:

OPERATIONAL MODE (s) 4 and 5, and when handling irradiated fuelin the secondary containment.

ACTION:

With any of the above required station batteries and/or associated charger (s) inoperable, suspend CORE ALTERATIONS, suspend handling of irradiated fuel in the secondary containment, and suspend operations with a potential for draining the reactor vessel.

i An alternate 125 volt battery shall adhere to these same Surveilla. ce Requirements to be considered OPERABLE. !

a except the Unit 2 total battery termir el voltage on float charge shall be verified weekly as h130.2 volts.

DRESDEN - UNITS 2 & 3 3/4.9-16 Amendment Nos.165,160 t

ELECTRICAL POWER SYSTEMS Distributi:n - Operating 3/4.9.E 3.9 LIMiilNG CONDITIONS FOR OPERATION 4.9 - SURVElLLANCE REQUIREMENTS 4.

For Unit 3,125 volt D.C. power distribution, consisting of:

a.

TB Main Bus Nos. 2A 1,3A and 3A 1, b.

TB Res. Bus Nos. 38 and 3B 1, and c.

RB Distribution Panel No. 5.

l APPLICABlyIYi OPERATIONAL. MODE (s) 1, 2, and 3.

ACTIONS:

1.

With one of the above required A.C.

distribution systems not energized, re-energize the system within 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> or be in at least HOT SHUTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> and in COLD SHUTDOWN within the following 24 I,ours.

2, With ore of the above required D.C.

distribution systems not energized, re-energize the system within 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> or be in at least HOT SHUTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> and in COLD SHUTDOWN within the following 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

I DRESDEN - UNITS 2 & 3 3/4.9-18 Amendment Nos.165,160

. - ~....

ELECTR;0AL POWER SYSTEMS Distributi:n Shutdswn 3/4.9.F 3.9 LIMITING CONDITIONS FOR OPERATION 4.9 SURVEILLANCE REQUIREMENTS -

l APPLICABILITY:

OPERATIONAL MODE (s) 4,5, and when -

handling irradiated fuel in the secondary _-

containment.

ACTIONS:-

.With less than the above required A.C. or D.C. distribution systems energized, suspend CORE ALTERATIONS, suspend handling of irradiated fuel in the secondary containment, and suspend operations with a potential for_ draining the reactor vessel.

I t-I:

DRESDEN - UNITS 2 & 3.

--3/4.9 20 Amendment Nos. 160, 160-

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