ML080710354
| ML080710354 | |
| Person / Time | |
|---|---|
| Site: | Millstone  |
| Issue date: | 03/10/2008 |
| From: | Gerald Bichof Dominion Nuclear Connecticut |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| 07-0036A | |
| Download: ML080710354 (4) | |
Text
Dominion Nuclear Connecticut, Inc.
\\ 1IiIS{\\lIH' Power Sr.uion i~(q)l' lvrrv Road
- ll'iltll'l, CT 0658'5 March 10, 2008 U.S. Nuclear Regulatory Commission Attention
- Document Control Desk Washington, D.C.
20555 Serial No.
NSS&LIWEB Docket No.
License No.
07-0036A RO 50-336 OPR-65 DOMINION NUCLEAR CONNECTICUT. INC.
MILLSTONE POWER STATION UNIT 2 RESPONSE TO REQUEST FOR ADDITIONAL INFORMATION LICENSE AMENDMENT REQUEST (LBDCR 07-MP2-007)
CONTAINMENT SPRAY NOZZLE SURVEILLANCE In a letter dated March 28, 2007 (Serial No. 07-0036), Dominion Nuclear Connecticut, Inc.
(DNC) submitted a License Amendment Request regarding Containment Spray Nozzle Surveillance at Millstone Power Station, Unit 2 (MPS2).
In response to a request for additional information during a January 8, 2008 telephone conference with the NRC staff, ONC agreed to submit a revised marked-up Technical Specifications page in order to provide clarification on Surveillance Requirement 4.6.2.1.1.e, specifically changing the word "maintenance" to "activities."
The attachment to this letter provides a marked-up copy of the Technical Specification page which supercedes the marked-up copy of the Technical Specification page originally provided as Attachment 2 in the March 28, 2007 DNC Letter.
The information provided by this letter does not affect the conclusions of the significant hazards consideration discussion in the March 28, 2007 ONC Letter (Serial No. 07-0036).
If you should have any questions, regarding this submittal, please contact Ms. Margaret Earle at (804) 273-2768.
Sincerely, G!~~&--D Vice President - Nuclear Engineering COMMONWEALTH OF VIRGINIA COUNTY OF HENRICO The foregoing document was acknowledged before me, in and for the County and Commonwealth aforesaid, today by Gerald T Bischof, who is Vice President - Nuclear Engineering of Dominion Nuclear Connecticut, Inc.
He has affirmed before me that he is duly authorized to execute and file the foregoing document in behalf of that Company, and that the statements in the document are true to the best of his knowledge and belief.
Acknowledged before me this 107£'fday of dtLlu::h
,2008.
My Commission Expires: ~.J/,.?<<Jay ;(
~'~!lt<LL VICKI L. HULL Notory PublIc CommonweCllth Of YIIgInIQ 1....
My Commllllon.....
Notary Public
Commitments made in this letter: None Attachment cc:
U.S. Nuclear Regulatory Commission Region I 475 Allendale Road King of Prussia, PA 19406-1415 Mr. J. D. Hughey Project Manager U.S. Nuclear Regulatory Commission One White Flint North 11555 Rockville Pike Mail Stop 8B3 Rockville, MD 20852-2738 NRC Senior Resident Inspector Millstone Power Station Director Bureau of Air Management Monitoring and Radiation Division Department of Environmental Protection 79 Elm Street Hartford, CT 06106-5127 Serial No. 07-0036A Docket No. 50-336 Containment Spray Nozzle Surveillance Page 2 of 2
Serial No. 07-0036A Docket No. 50-336 ATTACHMENT RESPONSE TO REQUEST FOR ADDITIONAL INFORMATION LICENSE AMENDMENT REQUEST (LeDCR 07-MP2-007)
CONTAINMENT SPRAY NOZZLE SURVEILLANCE MARKED-UP TECHNICAL SPECIFICATION PAGE MILLSTONE POWER STATION UNIT 2 DOMINION NUCLEAR CONNECTICUT, INC.
September 9, 2004 CONTAINMENT SYSTEMS SURVEILLANCE REQUIREMENTS (Continued) b.
By verifying the developed head ofeach containment spray pump at the flow test point is greater than or equal to the required developed head when tested pursuant to Specification 4.0.5.
c.
At least once per 18 months by verifying each automatic containment spray valve in the flow path that is not locked, sealed, or otherwise secured in position, actuates to the correct position 011 an actual or simulated actuation signal.
d.
At least once per 18 months by verifying each containment spray pump starts automatically on an actual or simulated actuation signal.
'e.
At least 6ftee fleF 10 yeaI=S by verifying each spray nozzle is unobstruct 4.6.2.1.2 Each containment air recirculation and cooling unit shall be demonstrated OPERABLE:
a.
At least once per 31 days by operating each containment air recirculation and cooling unit in slow speed for ~ 15 minutes.
b.
At least once per 31 days by verifying each containment air recirculation and cooling unit cooling water flow rate is ~ 500 gpm.
c.
At least once per 18 months by verifying each containment air recirculatio cooling unit starts automatically on an actual or simulated actuation signa.
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