ML20199E665
| ML20199E665 | |
| Person / Time | |
|---|---|
| Site: | Paducah Gaseous Diffusion Plant |
| Issue date: | 11/14/1997 |
| From: | John Miller UNITED STATES ENRICHMENT CORP. (USEC) |
| To: | Paperiello C NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM), NRC OFFICE OF NUCLEAR MATERIAL SAFETY & SAFEGUARDS (NMSS) |
| References | |
| GDP-97-0194, GDP-97-194, TAC-L32027, NUDOCS 9711210277 | |
| Download: ML20199E665 (9) | |
Text
i nited States U
Enrichment Corporation y.
2 Democracy Center
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6903 Rockledge Drive
. Bethesda, MD 20817 Tel: (301)564-3200 Fax:(301) 564-3201
- JAMES H. MIU.ER Dir; (301) 564-3309 VICE PRESIDENT, PRooucTION Fax:(301) 571-8279 November 14,1997
' Dr. Carl J. Paperiello SERIAL: GDP 97-0194
- Director, Office of Nuclear Material Safety and Safeguards
'.' Attention: Document Control Desk U.S. Nuclear Regulatory Commission Washington, D.C. 20555-0001 Paducah Gaseous Diffusien Plant (PGDP)
Docket No. 70-7001 Transmittal of Revision 17 to Paducah Certification Application
Dear Dr. Paperiello:
In accordance with 10 CFR Part 76, the United States Enrichment Corporation (USEC) hereby submits twenty (20) copies of Revision 17 (October 31,1997) to USEC-01, App ication fo-United States l
Nuclear Regulatory Commission Certification, Paducah Gaseous Diffusion Plant.
Revision 17 incorporates changes to the Technical Safety Requirements. These changes were previously submitted for your review in accordance with 10 CFR 76.45 and were approved as Amendment 12 to the Certificate of Compliance GDP-1 in your letter dated October 16,1997 (TAC NO.
L32027), Revision bars are provided in the right-hand margin to identify the changes. Revision 17 was implementcd on October 31,1997.
Should you have any questions or comments on Revision 17, please call me at (301) 564-3309 or Steve Routh at (301) 564-3251.- There are no new commitments made in this submittal, Sincerely, M UL
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Jpm,u es II. Miller Tice President Production b!b $!$hlfkhlll
- -9711210277 971114 PDR ADOCK 07007001 C
PDR,
- Ofnces in Livermore, Cahfomia - Paducah, Kentucky. Portsmouth, %io Washington, DC '
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-e-x Dr. Carl J, Paperiello:
November 14,1997; t ODP 97-0194 Page 2 ;
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. USEC-01, < Application : for. ~ United i States Nuclear ".Regulatoryi Commission
Attachment:
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Certification, Paducah Gaseous Diffusion Plant, Revision 17,:
. Copy Numbers 567 through 586;
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Enclosure:
.Aflidavit.
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- NRC Region 111 Office.
-Copy Numbers 442,664 :
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= NRC Resident inspector - PGDP f,
' Copy Number 697:_
r T.NRC Residert inspector-PORTS L Copy Number 665 3
Mr. Joe W. Perks (DOE).
- Copy Numbers 641.through 644 L
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i OATil AND AFFIRMATION I, James II. Miller, swear and atfirm that I am Vice President, Production, of the United States Enrichment Corporation (USEC), that I am authorized by USEC to sign and file with the Nuclear Regulatory Commission thh Revision 17 of the USEC Application for United. States Nuclear Regulatory Commission Certification, Paducah Gaseous Diffusion Plant (USEC-01), that -
I am familiar with the contents thereof, and that the statements made and matters set forth therein are true and correct to the best of my knowledge, information, and belief.
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mes 11. Miller On this 14th day of November,1997, the ollicer signing above personally appeared before me, is known by me to be the person whose name is subscribed to within the instrument, and acknowbdged that he executed the same for the purposes therein contained.
In witness hereofI hereunto set my hand and official seal.
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4 Jfun Laurie M. Knisley, Notary Publie /
State of Maryland, Montgomery County My commission expires March 17,1998
4
.m APPLICATION FOR UNITED STATES NUCLEAR REGULATORY COMMISSION CERTIFICATION-
- PADUCAH GASEOUS DIFFUSION PLANT REMOVE /INSERTINSTRUCTIONS REVISION 17 OCTOBER 31,1997 Remove Pages Insert Pages VOLUME 4 List of Effective Pages List of Effective Pages ii,iv ii, iv Section 2.4 Section 2.4 2.4-41,2.4-42,2.4-43 2.4-41,2.4-42,2.4-43 O
O
' TSR PGDP.
October 31,1997 Rev. '17 -
LIST OF EFFECTIVE PAGES (T
L)
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ITSR-PODP October 31,1997 Rev.' 17 Q
LIST OF EFFECTIVE PAGES (Continued)
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IV
TSR-PGDP October 31,1997 Revc17
,r 3 SECTION 2.4 SPECIFIC TSRS FOR ENRICIIMENT CASCADE FACILITIES Lil 2.4.4 GENERAL LIMITING CONDITIONS FOR OPERATION 2.4.4.12. CASCADE CELL TRIP FUNCTION LCO 2.4.4.12 DC control power and a:t pressure for cell trip of UF. stage motors shall be operable.
APPLICABILITY: Modes: Cascade 1 and 2 when stage motors are energized.
ACTIONS:
Condition Required Action Completion Tirne A. DC voltage < 210 volts A.I Notify Cascade immediately Coordinator of potential need to utilize alternate means of cell shutdostt.
AND A.2 Restore DC voltage to 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> a 210 volts B. Required action A. not satisfactorily B.!
Shutdown affected 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> accomplished.
cascade cell (s).
AND
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B.2 Verify cell isolation.
C. Air header pressure feeding a group of C.I Notify Cascade immediately
't)00* air circuit breakers is less than Coordinator of potential the minim = required to actuate those need to utilize ahernate breakers.
means of cell shutdown.
AND C.2 Restore air pressure to 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> greater than the mintmum required breaker actuation pressure.
D. Required action C. not satisfactorily D1 Shutdown affected 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> accomp'Ished.
cascade cell (s).
AND D.2 Verify cell isolation.
E. Individur battery (cell) parameters E.1 Restore the individual 90 days (other thu voltage) for any connected battery (cell) parameters cell are ouulde hmits established in to within limits.
surveillance requirements.
TSR 1.6.2.2(d)is not applicable.
l n
2.4-41
TSR PGDI~
October 31,1997 Rev.17 SECTION 2.4 SPECIFIC TSRS FOR ENRICHMENT CASCADE FACILITIES 2.4.4 GENERAL LIMITING CONDITIONS FOR OPERATION 2.4.4.12 CASCADE CELL TRIP WNCTION (continued)
SURVEff.1.ANCE REOUIREMENTS:
Surveillance Frequency SR 2,4.4.12-1 Verify DC voltage a 210 volts at the battery DC Daily charger.
SR 2.4.4.12 2 Verify *000" air circuit breaker air header pressure is Daily greater than the minimum required actuation pressure.
SR 2.4.4.12 3 Inspect battery terminals and racks for evidence of Quarterly corrosion arx! for leakage of electrolyte.
SR 2.4.4.12 4 Check that the specific gravity of the pilot cell is Quarterly
> 1.180 corrected to 77 F.
SR 2.4.4.12 5 Verify the battery charger output is > 0 DC amps Quarterly SR 2.4.4.12-6 Visually check the cell electrolyte levels to verify that Quarterly the level is above the low level indication and no more than 0.25 inches atx)ve the high indication line.
SR 2.4.4.12 7 Check that the specific gravity of the cells is a 1.180 Annually corrected to 77'F.
,O)
SR 2.4.4,12-8 Perform functional test of the manual cell shutdown V
function by either:
a.
Utilizing the ACR ' motor stop" button for "00" Each planned cell shutdown.
and "000* cells or the motor breaker pistol grip at the local cell panel for C-310 cells at the time of the planned cell shutdown.
OR b.1 Verifying, with the process substation transformer Prior to restart after each secondary breaker open and the motor breakers planned cell shutdown.
closed, actuation of the ACR ' motor stop" button for the *00" cells opens the motor breakers.
OR b.2 Verifying, with the 15kV air circuit breaker (ACB) disconnects open the process motor breakers open and switchhouse 15kV ACB closed, actuation of the ACR " motor stop" button for the '000" cells opens the switchhouse 15kV ACB.
SR 2.4.4.12 9 Verify expected block valve closure and recycle valve Each planned cell isolation.
opening for the planned cell isolation and imtiate corrective actions for anv unemected valve operation O
U 2.4 42 1
TSR PGDP October 31,1997 Revt17-p SECT 3ON 2.4 SPECIFIC TSRS FOR ENRICHMENT CASCADE FACILITIES O
2.4.4 GENERAL LIMITING CONDITIONS FOR OPERATION 2.4.4.12 CASCADE CELL TRIP FUNCTION (continued)
BASIS:
The accident analysis presented in SAR chapter 4 discusses numerous cascade cell-related scenarios (e.g., 4.3.2.1.2, 4.3.2.1.5, 4.3.2.1.6, 4.3.2.2.2, 4.3.' 3.2., and 4.3.2.4.1) in which operating personnel respond to certain process conditions and alarms by de-energizing the process motors (" tripping the cell"), thus bringing the cell below atmospheric pressure. In order to initiate a cell shutdown, the DC control and trip power circuit must be functional.
Two methods can be u.ced to demonstrate the reliability of the cell trip function. The first, for both the *00" and the "000" cell motors, is at the time of planned cell shutdown. Use of the ACR cell motor stop button for the *00" or "000" cells or the motor breaker pistol grip for the C-310
- cells at the time of planned cell shutdown demonstrates cell trip reliability. Note that planned cell shutdown is defined as the process of manually de-energizing the process motors in accordance with approved procedures. Unplanned cell shutdown is tierefore any automatic trip of the process motors.
The second method of testing depends upon the type of cell, "00" or "000," being tested.
The reliability of the cell trip function for "00" cell motors can also be demonstrated using the ACR " motor stop" button with the process substation transformer secondary breaker open and the motor breakers closed. Actuating the ACR push button will open the motor breakers thereby verifying the ACR trip circuit functions correctly.
The reliability of tne cell trip function for "000" cell motors can also be demonstrated using the ACR " motor stop" button with the 15kV air circuit breaker (ACB) disconnects open, process motor breakers open, and switchhouse 15kV ACB closed. Actuating the ACR push button will open the 15 kV ACB there'>y verifying tl'c cell trip function.
Planned cell shutdowns must be initiated at the local control panel for C-310 cells because an ACR trip button is not provided for C-310 cells.
'Ihe minimum air pressure required to trip the *000" breakers varies with the breaker type. The
. minimum required breaker actuation pressure for the "000" breaker groups and the bases for those values are identified in SAR Section 3.9.1.3.2.
l The alternate means of cell shutdown referred to in required action A.1 are discussed in SAR Table 4.3-2 for the "00" cells and includes an alternate means of shutdown from the ACR. For the "000" cells, alternate shutdown is manually accomplished from the switch house if DC power is unavailable; or, from either the switch house, relay house, or C-300, depending on the status of individual breaker air tank pressure.
(D I.)
2.4-13 l