ML20092L163
| ML20092L163 | |
| Person / Time | |
|---|---|
| Site: | Catawba  |
| Issue date: | 06/25/1984 |
| From: | Tucker H DUKE POWER CO. |
| To: | Adensam E, Harold Denton Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 8406290264 | |
| Download: ML20092L163 (3) | |
Text
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1 Duuns Powen GoMiwxy v.o. nox aman CHAMIAFTTE, M.U. UnW49 HALH.Tt:CKEN tri.mruonn imo araen Juna 25e 1984 Mr. Harold R. Denton, Director Office of Nuclear Reactor Regulation U. S. Nuclear Reguletory Conunission Washington, D. C.
20555 Attention:
Ms. E. G. Adensam, Chief Licensing Branch No. 4 Ret Catawba Nucicar Station Unit 1 Docket No. 50-413 i
Draft Technical Specifications Dear Mr. Denton Based on the telephone conversations between Mr. Jim Lazevnick, of your staff, and representatives of Duke Power Company, attached are our pro-posed changes to the Catawba Draft Technical Specifications concerning the diesel generator battery Surveillance Requirements.
Very truly yours, UN
,qpe 3
Hal B. Tucker RWO/rhe Attachment cc Mr. James P. O'Reilly Palmetto Alliance Regional Administrator 21351s Devine Street U. S. Nuclear Regulatory Commission Columbia, South Carolina 29205 Region 11 101 Marietta Street, NW, Suite 2900 Mr. Jesse L. Riley Atlanta, Georgia 30303 Carolina Environmental Study Group 854 Ilenicy Pince NRC Resident inspector Charlotte, North Carolina 28207 Catawba Nuclear Station Hr. Robert Guild, Esq.
Attorney-at-Law P. O. Box 12097 Charleston, South Carolina 29412 O
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ELECTRICAL POWER SYSTEMS j
SURVEILLANCF REQUIREMENTS (Continued) h.
At least on;e per 10 years or af ter any modifications which could affect diesel generator ir.terdependence by starting both diesel generators simultaneously, during shutdown, and verifying that both diesel generators accelerate to at least.M & rpm in less than or equal to 11 seconds; and WI i.
At least once per 10 years by:
- 1). Draining each fuel oil storage tank, removing the accumulated sediment and cleaning the tank using a sodium hypochlorite solution or its equivalent, and 2)
Performing a pressure test of those portions of the diesel fuel oil system designed to Section III, subsection ND of the ASME Code at a test pressure equal to 110% of the system design C
pressure.
J.g,e E'O 4.8.1.1.3 Reports - All diesel generator failures, valid or non-valid, shall be g J reported in a Special Report to the Commission pursuant to Specification 6.9.2 u
within 30 days.
Reports of diesel generator failures shall include the informa-i g
tion recommended in Regulatory Position C.3.b of Regulatory Guide 1.108, Revi-d sion 1, August 1977.
If the number of failures in the last 100 valid tests (on 3(
a per nuclear unit basis) is greater than or equal to 7, the report shall be supplemented to include the additional information recommended in Regulatory kj Position C.3.b of Regulatory Guide 1.108, Revision 1, August 1977.
J 7.#
4.8.1.1.4 Diesel Generator Batteries - Each diesel generator 125-volt battery
{g bank and charger shall be demonstrated OPERABLE:
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At least once per 7 days by ver fying That:
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g 1)
Theelectrolytelevelofeachbatteryispabovethejpaat.ee,-and' k ]va 2)
The overall battery voltage is greater than or equal to 125 volts
- on float charge) a,ul
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b.
At least once per 92 days and within 7 days after a battery q
discharge with battery terminal voltage below 110 volts, or battery overcharge with battery terminal voltage above 150 volts, by verifying that>t.
.35 (There'is no visible corrosion at either terminals or connectors, er thc cs.?em nn =rict: = cf there items i: M
_N" (150} 10 8 i, d e)
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THIS PAGE 0291 PEN 9ING RECEIPT OF INFORMin.'.Ji d?X1 THE APPLICANT CATAWBA - UNIT 1 3/4 8-7 s
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SURVEILLANCE REQUIREMENTS (Continued) 33 Jg At least once per 18 months by verifying that:
c.
1)
The batteries, cell plates and battery racks show no visual 4
.y indication of physical damage or abnormal deterioration, 8,, tn j
2)
The cell-to-cell and terminal connections are clean, tight, and free of corrosion, and cc:ted "ith ::ticerr=ien ::t:ri I g
s
c rc;i;t:nce cf e2ch ce!'-t
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The battery charger will supply at least 75 amperes at a j
minimum of 125 volts for at least 8
hours anc(
f d.
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