ML052440255
| ML052440255 | |
| Person / Time | |
|---|---|
| Site: | Calvert Cliffs  (DPR-053, DPR-069) |
| Issue date: | 08/30/2005 |
| From: | Vanderheyden G Constellation Energy Group |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| BL-03-001 | |
| Download: ML052440255 (3) | |
Text
George Vanderheyden Vice President Calvert Cliffs Nuclear Power Plant Constellation Generation Group, LLC 1650 Calvert Cliffs Parkway Lusby, Maryland 20657 410.495.4455 410.495.3500 Fax I
Constellation Energy August 30, 2005 U. S. Nuclear Regulatory Commission Washington, DC 20555 ATTENTION:
SUBJECT:
Document Control Desk Calvert Cliffs Nuclear Power Plant Unit Nos. I & 2; Docket Nos. 50-317 & 50-318 Supplemental Information Regarding NRC Bulletin 2003-0 1, "Potential Impact of Debris Blockage on Emergency Sump Recirculation at Pressurized-Water Reactors"
REFERENCES:
(a)
Letter from Mr. G. Vanderheyden (CCNPP) to Document Control Desk (NRC), dated November 8, 2004, Response to Request for Additional Information Regarding NRC Bulletin 2003-01, "Potential Impact of Debris Blockage on Emergency Sump Recirculation at Pressurized-Water Reactors" (b)
Letter from Mr. B. S. Montgomery (CCNPP) to Document Control Desk (NRC), dated August 4, 2005, Response to Request for Additional Information Regarding NRC Bulletin 2003-0 1, "Potential Impact of Debris Blockage on Emergency Sump Recirculation at Pressurized-Water Reactors" By letters dated November 8, 2004 (Reference a) and August 4, 2005 (Reference b), the Calvert Cliffs Nuclear Power Plant, Inc. (CCNPP) provided responses to requests for additional information regarding Nuclear Regulatory Commission (NRC) Bulletin 2003-01.
On August 11, 2005, CCNPP and NRC personnel held a teleconference to discuss the information provided in these responses. The following supplemental information was requested during the teleconference.
Requested Information (1)
JWhat are the alternate sources of Refueling Water Storage Tank (RJVT) makeup water?
CCNPP Respons The opposite unit RWT is the alternate source for makeup water. Two methods of filling the RWT from the opposite unit RWT are available.
Document Control Desk August 30, 2005 Page 2 Requested Information (2)
What are the sources ofRTWT bypass water?
CCNPP Response The opposite unit RWT, the spent fuel pools, and the condensate storage tanks are the alternate sources for RWT bypass water. Two methods of using the opposite unit RWT and the spent fuel pools are available and one method of using the condensate storage tanks is available.
Requested Information (3)
Are these floupaths contained within a procedure and have the operators been trained?
CCNPP Response Calvert Cliffs emergency response procedure ERPIP-6 11 describes the various methods of employing the alternate source flowpaths following an accident.
Emergency Operating Procedures (EOP-05 and EOP-08) reference this emergency response procedure. Plant operators have received training on these procedures.
6 Document Control Desk August 30, 2005 Page 3 Should you have additional questions regarding this matter, we will be pleased to discuss them with you.
STATE OF MARYLAND COUNTY OF CALVERT
- TO WIT:
I, George Vanderheyden, being duly sworn, state that I am Vice President - Calvert Cliffs Nuclear Power Plant, Inc. (CCNPP), and that I am duly authorized to execute and file this response on behalf of CCNPP.
To the best of my knowledge and belief, the statements contained in this document are true and correct.
To the extent that these statements are not based on my personal knowledge, they are based upon information provided by other CCNPP employees and/or consult SIch information has been reviewed in accordance with company practice and I believe it toreli le.
Subscribed and sworn before me a Notary P blic in and for the State of Maryland and County of OA 7Y 2
, this day of, 2005.
(c
/
WITNESS my Hand and Notarial Seal:
My Commission Expires:
DNotary Public/
I Date i GV/GT/bjd cc:
P. D. Milano, NRC S. J. Collins, NRC Resident Inspector, NRC R. I. McLean, DNR